Dependencies: mbed C12832_lcd LCD_fonts TextLCD
Revision 0:fc74113aca28, committed 2022-04-14
- Comitter:
- dan_cornhill
- Date:
- Thu Apr 14 20:21:15 2022 +0000
- Commit message:
- Reaction_2Player
Changed in this revision
diff -r 000000000000 -r fc74113aca28 C12832_lcd.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/C12832_lcd.lib Thu Apr 14 20:21:15 2022 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/dreschpe/code/C12832_lcd/#8f86576007d6
diff -r 000000000000 -r fc74113aca28 LCD_fonts.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/LCD_fonts.lib Thu Apr 14 20:21:15 2022 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/dreschpe/code/LCD_fonts/#d0b7d7bf1f56
diff -r 000000000000 -r fc74113aca28 TextLCD.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/TextLCD.lib Thu Apr 14 20:21:15 2022 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/simon/code/TextLCD/#308d188a2d3a
diff -r 000000000000 -r fc74113aca28 main.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Thu Apr 14 20:21:15 2022 +0000
@@ -0,0 +1,438 @@
+#include "mbed.h" //Including the libraries for the code
+#include "Small_7.h" //Including the libraries for the code
+#include "Arial_9.h" //Including the libraries for the code
+#include "C12832_lcd.h" //including the libraries for the code
+#include "stdio.h" //Including the libraries for the code
+#include "rtos.h" //Including the libraries for the code
+#include "TextLCD.h" // Including the libraries for the code
+
+DigitalOut LED_A(LED1); //Declaring I/O for the board
+DigitalOut LED_B(LED2); //Declaring I/O for the board
+DigitalOut LED_C(LED3); //Declaring I/O for the board
+DigitalOut LED_D(LED4); //Declaring I/O for the board
+DigitalIn Player1Input(p15); //Declaring I/O for the board
+DigitalIn Player2Input(p12); //Declaring I/O for the board
+DigitalIn PlayerCheck(p14); //Declaring I/O for the board
+C12832_LCD LCD;
+Mutex LCD_Mutex;
+Timer T;
+PwmOut Speaker(p26);
+int Player1Points; //Declaration of variables - Variable tracks points for Player1
+int Player2Points; //Declaration of variables - Variable tracks points for Player2
+float Time1; //Declaration of variables - Variable tracks time system for Player1
+float Time2; //Declaration of variables - Variable tracks time system for Player1
+float FastestTime; //Declaration of variables - Variable tracks time system for fastest reaction time through the rounds
+int Check=0; //Declaration of variables - Flags (Signals the function to run)
+int Ready=0; //Declaration of variables - Flags (Signals the function to run)
+int Player1Turn=0; //Declaration of variables - Flags (Signals the function to run)
+int Player1Begin=0; //Declaration of variables - Flags (Signals the function to run)
+int Player2Turn=0; //Declaration of variables - Flags (Signals the function to run)
+int Player2Begin=0; //Declaration of variables - Flags (Signals the function to run)
+int Scored=0; //Declaration of variables - scoring system for the rounds, allocation of points per round
+int i=0; //Declaration of variables
+int Fast=0; //Declaration of variables - variable tracks which Player has fastest time
+
+void GameStart(void const *args){ //Defining a function
+ int i = 0; //Local variable
+ for (i=0; i<1; i++) { //For loop which runs the code only for a single cycle
+ LCD_Mutex.lock(); //Locks the LCD from other threads
+ LCD.locate(36,10); //Locates the start position for the print statement
+ LCD.set_font((unsigned char*) Small_7); //Setting of font size (small)
+ LCD.printf("20001248"); //Prints text for student id number
+ LCD_Mutex.unlock(); //Unlocks LCD to other threads
+ wait(3); //Delay in seconds
+ LCD_Mutex.lock(); //Locks the LCD from other threads
+ LCD.locate(25,20); //Locates position for the print statement on the LCD
+ LCD.set_font((unsigned char*) Small_7); //Setting of font size (small)
+ LCD.printf("Reaction_2Player"); //Prints name of featured program
+ LCD_Mutex.unlock(); //Unlocks the LCD to other threads
+ wait(1); //Delay in seconds
+ LED_A=1; //Turns LED 'ON' - (High = 1)
+ Speaker.period(1.0/800.0); //Speaker frequency set to 800Hz
+ Speaker = 0.05; //Duty cycle set to 5% - low range volume
+ wait(0.05); //Delay in seconds
+ Speaker = 0; //Turn 'OFF' speaker
+ wait(0.3); //Delay in seconds
+ LED_A=0; //Turns LED1 'OFF' - (Low = 0)
+ LED_B=1; //Turns LED2 'ON' - (High = 1)
+ Speaker.period(1.0/800.0); //Speaker frequency set to 800Hz
+ Speaker = 0.05; //Duty cycle set to 5% - low range volume
+ wait(0.05); //Delay in seconds
+ Speaker = 0; //Turn 'OFF' speaker
+ wait(0.3); //Delay in seconds
+ LED_B=0; //Turns LED2 'OFF' - (Low = 0)
+ LED_C=1; //Turns LED3 'ON' - (High = 1)
+ Speaker.period(1.0/800.0); //Speaker frequency set to 800Hz
+ Speaker = 0.05; //Duty cycle set to 5% - low range volume
+ wait(0.05); //Delay in seconds
+ Speaker = 0; //Turn 'OFF' speaker
+ wait(0.3); //Delay in seconds
+ LED_C=0; //Turns LED3 'OFF' - (Low = 0)
+ LED_D=1; //Turns LED4 'ON' - (High = 1)
+ Speaker.period(1.0/800.0); //Speaker frequency set to 800Hz
+ Speaker = 0.05; //Duty cycle set to 5% - low range volume
+ wait(0.05); //Delay in seconds
+ Speaker = 0; //Turn 'OFF' speaker
+ wait(0.3); //Delay in seconds
+ LED_D=0; //Turns LED4 'OFF' - (Low = 0)
+ wait(0.3); //Delay in seconds
+ LED_A=1; //Turns LED1 'ON' - (High = 1)
+ LED_B=1; //Turns LED2 'ON' - (High = 1)
+ LED_C=1; //Turns LED3 'ON' - (High = 1)
+ LED_D=1; //Turns LED4 'ON' - (High = 1)
+ Speaker.period(1.0/800.0); //Speaker frequency set to 800Hz
+ Speaker = 0.1f; //Duty cycle set to 1% - low range volume
+ wait(0.05); //Delay in seconds
+ Speaker = 0; //Turn 'OFF' speaker
+ wait(0.3); //Delay in seconds
+ LED_A=0; //Turns LED1 'OFF' - (Low = 0)
+ LED_B=0; //Turns LED2 'OFF' - (Low = 0)
+ LED_C=0; //Turns LED3 'OFF' - (Low = 0)
+ LED_D=0; //Turns LED4 'OFF' - (Low = 0)
+ LCD_Mutex.lock(); //Locks LCD from other threads
+ LCD.locate(0,0);
+ LCD.cls(); //Clears LCD
+ LCD_Mutex.unlock(); //Unlocks LCD to other threads
+ }
+}
+void CheckThread(void const *args){ //Defining a function
+ while(true){ //While loop which runs thread
+ if ((PlayerCheck) && (Check == 0)){ //Playercheck & check is the pressing of the joystick, if statement conditions are met it will run the code
+ Ready = 1;
+ }
+ }
+}
+void Player1Go(void const *args){ //Defining a function
+ while(true){ //While loop whichs runs thread
+ if (Player1Turn == 1){ //If statement conditions are met it will run the code for Player1
+ LCD_Mutex.lock(); //Locks LCD from other threads
+ LCD.locate(55,10); //Locates start position for the print statement, i.e. number 5
+ LCD.set_font((unsigned char*) Small_7); //Setting of font size (small)
+ LCD.printf("5"); //Prints statement onto LCD. Countdown from 5 in descending order to 1
+ wait(1); //Delay in seconds
+ LCD.locate(55,10); //Locates start position for the print statement, i.e. number 4
+ LCD.set_font((unsigned char*) Small_7); //Setting of font size (small)
+ LCD.printf("4"); //Prints statement onto LCD. Countdown from 5 in descending order to 1
+ wait(1); //Delay in seconds
+ LCD.locate(55,10); //Locates start position for the print statement, i.e. number 3
+ LCD.set_font((unsigned char*) Small_7); //Setting of font size (small)
+ LCD.printf("3"); //Prints statement onto LCD. Countdown from 5 in descending order to 1
+ wait(1); //Delay in seconds
+ LCD.locate(55,10); //Locates start position for the print statement, i.e. number 2
+ LCD.set_font((unsigned char*) Small_7); //Setting of font size (small)
+ LCD.printf("2"); //Prints statement onto LCD. Countdown from 5 in descending order to 1
+ wait(1); //Delay in seconds
+ LCD.locate(55,10); //Locates start position for the print statement, i.e. number 1
+ LCD.set_font((unsigned char*) Small_7); //Setting of font size (small)
+ LCD.printf("1"); //Prints statement onto LCD. Countdown from 5 in descending order to 1
+ wait(1); //Delay in seconds
+ LCD.locate(0,0);
+ LCD.cls(); //Clears the LCD
+ LCD_Mutex.unlock(); //Unlocks LCD to other threads
+ LED_A=1; //Turns LED1 'ON' - (High = 1)
+ T.start(); //Timer will start counting in seconds
+ Player1Begin=1; //Flag variable is used to signal condition is met, i.e. to initialise Player1 turn
+ Player1Turn=0; //Flag variable is used to signal condition is met, i.e. doesn't run IF statment if not required
+ }
+ }
+}
+void Player1Action(void const *args){ //Defining a function
+ while(true){ //While loop whichs runs thread
+ if(Player1Input){ //Player1 presses joystick upward
+ if (Player1Begin == 1){ //If statement which will run when certain conditions are met
+ LED_A=0; //Turns LED4 'OFF' - (Low = 0)
+ T.stop(); //Timer stops
+ wait(0.01); //Delay in seconds
+ Time1 = T.read(); //Timer will be stopped, and read to signify time in seconds
+ if (Time1 < FastestTime);{ //Set new fastest time if condition is met
+ FastestTime = Time1;
+ Fast=1; //Player1 = Fastest Time
+ }
+ if (Time1 < 0.1){ //Scoring system for determing points for Player1 per round
+ Player1Points += 30;
+ Scored = 30;}
+ else if ((Time1 < 0.15) && (Time1 > 0.1)){
+ Player1Points += 20;
+ Scored = 20;}
+ else if ((Time1 < 0.25) && (Time1 > 0.15)){
+ Player1Points += 10;
+ Scored = 10;}
+ else if ((Time1 < 0.5) && (Time1 > 0.25)){
+ Player1Points += 5;
+ Scored = 5;}
+ else if ((Time1 < 1) && (Time1 > 0.5)){
+ Player1Points += 3;
+ Scored = 3;}
+ else if ((Time1 < 3) && (Time1 > 1)){
+ Player1Points += 1;
+ Scored = 1;}
+ LCD_Mutex.lock(); //Locks LCD from other threads
+ LCD.locate(30,10); //Locates start position for the print statement
+ LCD.set_font((unsigned char*) Small_7); //Setting of font size (small)
+ LCD.printf("Scored: %d",Scored); //Print points for Player1 for that round
+ wait(2); //Delay in seconds
+ LCD.locate(0,0);
+ LCD.cls(); //Clears LCD
+ LCD_Mutex.unlock(); //Unlocks LCD to other threads
+ Player1Turn=0; //Ends Player1's turn
+ Player1Begin=0;
+ T.reset();// Timer resets to zero
+ }
+ }
+ }
+}
+void Player2Go(void const *args){// Defining a function
+ while(true){ //While loop which runs thread
+ if (Player2Turn == 1){ //If statement conditions are met it will run the code for Player2
+ LCD_Mutex.lock(); //Locks LCD from other threads
+ LCD.locate(55,10); //Locates start position for the print statement, i.e. number 5
+ LCD.set_font((unsigned char*) Small_7); //Setting of font size (small)
+ LCD.printf("5"); //Prints statement onto LCD. Countdown from 5 in descending order to 1
+ wait(1); //Delay in seconds
+ LCD.locate(55,10); //Locates start position for the print statement, i.e. number 4
+ LCD.set_font((unsigned char*) Small_7); //Setting of font size (small)
+ LCD.printf("4"); //Prints statement onto LCD. Countdown from 5 in descending order to 1
+ wait(1); //Delay in seconds
+ LCD.locate(55,10); //Locates start position for the print statement, i.e. number 3
+ LCD.set_font((unsigned char*) Small_7);
+ LCD.printf("3"); //Prints statement onto LCD. Countdown from 5 in descending order to 1
+ wait(1); //Delay in seconds
+ LCD.locate(55,10); //Locates start position for the print statement, i.e. number 2
+ LCD.set_font((unsigned char*) Small_7); //Setting of font size (small)
+ LCD.printf("2"); //Prints statement onto LCD. Countdown from 5 in descending order to 1
+ wait(1); //Delay in seconds
+ LCD.locate(55,10); //Locates start position for the print statement, i.e. number 1
+ LCD.set_font((unsigned char*) Small_7); //Setting of font size (small)
+ LCD.printf("1"); //Prints statement onto LCD. Countdown from 5 in descending order to 1
+ wait(1); //Delay in seconds
+ LCD.locate(0,0);
+ LCD.cls(); //Clears LCD
+ LCD_Mutex.unlock(); //Unlocks LCD to other thread
+ LED_A=1; //Turns LED1 'ON' - (High = 1)
+ T.start(); //Timer will start counting in seconds
+ Player2Begin=1; //Flag variable is used to signal condition is met, i.e. to initialise Player1 turn
+ Player2Turn=0; //Flag variable is used to signal condition is met, i.e. doesn't run IF statment if not required
+ }
+ }
+}
+
+void Player2Action(void const *args){
+ while(true){ //While loop which runs thread
+ if(Player2Input){ //Player1 presses joystick downward
+ if (Player2Begin == 1){ //If statement which will run when certain conditions are met
+ LED_A=0; //Turns LED1 'OFF' - (Low = 0)
+ T.stop(); //Timer stops
+ wait(0.01); //Delay in seconds
+ Time2 = T.read(); //Timer will be stopped, and read to signify time in seconds
+ if (Time2 < FastestTime);{ //Set new fastest time if condition is met
+ FastestTime = Time2;
+ Fast=2; //Player2 = Fastest Time
+ }
+ if (Time2 < 0.1){ //Scoring system for determing points for Player1 per round
+ Player2Points += 30;
+ Scored = 30;}
+ else if ((Time2 < 0.15) && (Time2 > 0.1)){
+ Player2Points += 20;
+ Scored = 20;}
+ else if ((Time2 < 0.25) && (Time2 > 0.15)){
+ Player2Points += 10;
+ Scored = 10;}
+ else if ((Time2 < 0.5) && (Time2 > 0.25)){
+ Player2Points += 5;
+ Scored = 5;}
+ else if ((Time2 < 1) && (Time2 > 0.5)){
+ Player2Points += 3;
+ Scored = 3;}
+ else if ((Time2 < 3) && (Time2 > 1)){
+ Player2Points += 1;
+ Scored = 1;}
+ LCD_Mutex.lock(); //Locks LCD from other threads
+ LCD.locate(30,10); //Locates start position for the print statement
+ LCD.set_font((unsigned char*) Small_7); //Setting of font size (small)
+ LCD.printf("Scored: %d",Scored); //Print points for Player2 for that round
+ wait(2); //Delay in seconds
+ LCD.locate(0,0);
+ LCD.cls(); //Clears LCD
+ LCD_Mutex.unlock(); //Unlocks LCD to other threads
+ Player2Turn=0; //Ends Player2's turn
+ Player2Begin=0;
+ T.reset(); //Timer resets to zero
+ }
+ }
+ }
+}
+void MainGame(void const *args){ //Defining a function
+ while(true){ //While loop which run thread
+ wait(6); //Delay in seconds
+ i = 0;
+ for (i=1;i<4;i++){ //For loop repeats three times to signify three rounds of reaction game
+ Check=1; //Flag variable is used to signal condition is met, i.e. sets checkthread conditions
+ while(Ready == 0){ //While loop will continue until joystick is pressed
+ wait(0.5); //Delay in seconds
+ LCD_Mutex.lock(); //Locks LCD from other threads
+ LCD.locate(0,10); //Locates start position for the print statement
+ LCD.set_font((unsigned char*) Small_7); //Setting of font size (small)
+ LCD.printf("Press Joystick In To Begin"); //Prints statement which is a command for the Player to begin the game
+ wait(0.5); //Dlay in seconds
+ LCD.locate(0,0);
+ LCD.cls(); //Clears LCD
+ LCD_Mutex.unlock(); //Unlocks LCD to other threads
+ }
+ Ready=0; //Resets flag variable
+ Check = 0; //Resets flag variable
+ LCD_Mutex.lock(); //Locks LCD from other threads
+ LCD.locate(0,0);
+ LCD.cls(); //Clears LCD
+ wait(0.1); //Delay in seconds
+ LCD.locate(30,10); //Locates start position for the print statement
+ LCD.set_font((unsigned char*) Small_7); //Setting of font size (small)
+ LCD.printf("Get Set, Ready..."); //Prints statement which is a que to let Players know the game is beginning
+ wait(1); //Delay in seconds
+ LCD.locate(0,0);
+ LCD.cls(); //Clear LCD
+ LCD_Mutex.unlock(); //Unlock LCD to other threads
+ Player1Turn=1; //Flag variable for Player1
+ wait(9); //Delay in seconds
+ if ((Player1Begin == 1) && (T.read() > 3)){ //Reads timer constantly, and if timer reaches 3 seconds, the round will be forfeited as Player reaction is too slow
+ T.stop(); //Timer stops
+ LCD_Mutex.lock(); //Locks LCD from other threads
+ LCD.locate(30,10); //Locates start position for the print statement
+ LCD.set_font((unsigned char*) Small_7); //Setting of font size (small)
+ LCD.printf("Too slow"); //Prints statement to let Players know of forfeit
+ wait(1); //Delay in seconds
+ LCD.locate(15,10); //Locates start position for the print statement
+ LCD.set_font((unsigned char*) Small_7); //Setting of font size (small)
+ LCD.printf("Player 1 Round Lost"); //Prints statement to let Player know they lost the round
+ LCD_Mutex.unlock(); //Unlocks LCD to other threads
+ Player1Begin=0;
+ Player1Turn=0;
+ LED_A=0; //Turns LED1 'OFF' - (Low = 0)
+ wait(1); //Delay in seconds
+ T.reset(); //Timer resets
+ }
+ wait(0.1); //Delay in seconds
+ Ready=0;
+ Check=1; //Checkthread conditions
+ while(Ready == 0){ //While loop whci runs thread. Will be infinite until joystick is pressed. Joysticks acts as an intterupt to this loop.
+ wait(0.5); //Delay in seconds
+ LCD_Mutex.lock(); //Locks LCD from other threads
+ LCD.locate(0,10); //Locates start position for the print statement
+ LCD.set_font((unsigned char*) Small_7); //Setting of font size (small)
+ LCD.printf("Press Joystick In To Begin"); //Prints statement which is a command for Player to begin the game
+ wait(0.5); //Delay in seconds
+ LCD.locate(0,0);
+ LCD.cls(); //Clears LCD
+ LCD_Mutex.unlock(); //Unlocks LCD to other threads
+ }
+ Ready=0; //Resets flag variable
+ Check = 0; //Resets flag variable
+ LCD_Mutex.lock(); //Locks LCD deom other threads
+ LCD.locate(0,0);
+ LCD.cls(); //Clears LCD
+ wait(0.1); //Delay in seconds
+ LCD.locate(30,10); //Locates start position for the print statement
+ LCD.set_font((unsigned char*) Small_7); //Setting of font size (small)
+ LCD.printf("Get Set, Ready..."); //Prints statement which is a que to let Players know the game is beginning
+ wait(1); //Delay in seconds
+ LCD.locate(0,0);
+ LCD.cls(); //Clears LCD
+ LCD_Mutex.unlock(); //Unlocks LCD to other threads
+ Player2Turn=1; //Flag variable for Player2
+ wait(9); //Delay in seconds
+ if ((Player2Begin == 1) && (T.read() > 3)){ //Reads timer constantly, and if timer reaches 3 seconds, the round will be forfeited as Player reaction is too slow
+ T.stop(); //Timer stops
+ LCD_Mutex.lock(); //Locks LCD from other threads
+ LCD.locate(30,10); //Locates start position for the print statement
+ LCD.set_font((unsigned char*) Small_7); //Setting of font size (small)
+ LCD.printf("Too Slow"); //Prints statement to let Players know of forfeit
+ wait(1); //Delay in seconds
+ LCD.locate(15,10); //Locates start position for the print statement
+ LCD.set_font((unsigned char*) Small_7); //Setting of font size (small)
+ LCD.printf("Player 2 Round Lost"); //Prints statement to let Player know they lost the round
+ LCD_Mutex.unlock(); //Unlocks LCD to other threads
+ Player2Begin=0;
+ Player2Turn=0;
+ LED_A=0; //Turns LED1 'OFF' - (Low = 0)
+ wait(1); //Delay in seconds
+ T.reset(); //Timer resets
+ }
+ LCD_Mutex.lock(); //Locks LCD from other threads
+ LCD.locate(15,10); //Locates start position for the print statement
+ LCD.set_font((unsigned char*) Small_7); //Setting of font size (small)
+ LCD.printf("The Results Of Round %d",i); //Prints statement to show points accumulated in the round
+ wait(1); //Delay in seconds
+ LCD.locate(0,0);
+ LCD.cls(); //Clears LCD
+ wait(0.1); //Delay in seconds
+ LCD.locate(30,10); //Locates start position for the print statement
+ LCD.set_font((unsigned char*) Small_7); //Setting of font size (small)
+ LCD.printf("Player 1: %d",Player1Points); //Prints statement which shows Player1 points
+ LCD.locate(30,20); //Locates start position for the print statement
+ LCD.set_font((unsigned char*) Small_7); //Setting of font size (small)
+ LCD.printf("Player 2: %d",Player2Points); //Prints statement which shows Player2 points
+ wait(2); //Delay in seconds
+ LCD.locate(0,0);
+ LCD.cls(); //Clears LCD
+ LCD_Mutex.unlock(); //Unlocks LCD to other threads
+ }
+ LCD_Mutex.lock(); //Locks LCD from other threads
+ LCD.locate(30,10); //Locates start position for the print statement
+ LCD.set_font((unsigned char*) Small_7); //Setting of font size (small)
+ LCD.printf("After 3 rounds..."); //Prints statement of the total from the three rounds
+ wait(1); //Delay in seconds
+ LCD.locate(0,0);
+ LCD.cls(); //Clears LCD
+ wait(0.01); //Delay in seconds
+ LCD.locate(10,0); //Locates start position for the print statement
+ LCD.set_font((unsigned char*) Small_7); //Setting of font size (small)
+ LCD.printf("The Fastest Reaction Time"); //Prints statement showing the fastest reaction time through the three rounds
+ LCD.locate(20,10); //Locates start position for the print statement
+ LCD.set_font((unsigned char*) Small_7); //Setting of font size (small)
+ LCD.printf("Was By Player %d",Fast); //Prints statement showing which Player got the the fastest reaction time
+ LCD.locate(23,20); //Locates start position for the print statement
+ LCD.set_font((unsigned char*) Small_7); //Setting of font size (small)
+ LCD.printf("%f",FastestTime); //Prints statement - Fastest Time
+ wait(3); //Delay in seconds
+ LCD.locate(0,0);
+ LCD.cls(); //Clears LCD
+ LCD_Mutex.unlock(); //Unlocks LCD to other threads
+ if (Player1Points > Player2Points){ //If Player1 has more points than Player2, the code will execute
+ LCD_Mutex.lock(); //Locks LCD from other threads
+ LCD.locate(20,10); //Locates start position for the print statement
+ LCD.set_font((unsigned char*) Small_7); //Setting of font size (small)
+ LCD.printf("Congrats, Player 1 Wins"); //Prints statement congratulating winner (Player1)
+ LCD_Mutex.unlock(); //Unlocks LCD to other threads
+ }
+ else if (Player2Points > Player1Points){ //If Player2 has more points than Player 1, the code will execute
+ LCD_Mutex.lock(); //Locks LCD from other threads
+ LCD.locate(20,10); //Locates start position for the print statement
+ LCD.set_font((unsigned char*) Small_7); //Setting of font size (small)
+ LCD.printf("Congrats, Player 2 Wins"); //Prints statement congratulating winner (Player2)
+ LCD_Mutex.unlock(); //Unlocks LCD to other threads
+ }
+ else if (Player1Points == Player2Points){ //If Player1 & Player2 have equal points, then the code will execute
+ LCD_Mutex.lock(); //Locks LCD from other threads
+ LCD.locate(30,10); //Locates start position for the print statement
+ LCD.set_font((unsigned char*) Small_7); //Setting of font size (small)
+ LCD.printf("It's A Draw!!"); //Prints statement to acknowledge draw between Player1 & Player2
+ LCD_Mutex.unlock(); //Unlocks LCD to other threads
+ }
+ LCD_Mutex.lock(); //Locks LCD from other threads
+ LCD.locate(30,20); //Locates start position for the print statement
+ LCD.set_font((unsigned char*) Small_7); //Setting of font size (small)
+ LCD.printf("Well Done!"); //Prints statement to recognise the end of the game
+ LCD_Mutex.unlock(); //Unlocks LCD to other threads
+ }
+
+}
+ int main(){ //Defining a function
+ Thread T1(GameStart); //Threads runs constantly - (Threads are smalls sets of instructions which scedule and execute several functions at the same time.
+ Thread T2(CheckThread); //Threads runs constantly - (Threads are smalls sets of instructions which scedule and execute several functions at the same time.
+ Thread T3(MainGame); //Threads runs constantly - (Threads are smalls sets of instructions which scedule and execute several functions at the same time.
+ Thread T4(Player1Go); //Threads runs constantly - (Threads are smalls sets of instructions which scedule and execute several functions at the same time.
+ Thread T5(Player1Action); //Threads runs constantly - (Threads are smalls sets of instructions which scedule and execute several functions at the same time.
+ Thread T6(Player2Go); //Threads runs constantly - (Threads are smalls sets of instructions which scedule and execute several functions at the same time.
+ Thread T7(Player2Action); //Threads runs constantly - (Threads are smalls sets of instructions which scedule and execute several functions at the same time.
+ wait(99999); //Delay in seconds
+ Thread::wait(1);
+}
\ No newline at end of file
diff -r 000000000000 -r fc74113aca28 mbed-rtos/rtos/Mail.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-rtos/rtos/Mail.h Thu Apr 14 20:21:15 2022 +0000
@@ -0,0 +1,113 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2012 ARM Limited
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef MAIL_H
+#define MAIL_H
+
+#include <stdint.h>
+#include <string.h>
+
+#include "cmsis_os.h"
+
+namespace rtos {
+/** \addtogroup rtos */
+/** @{*/
+
+/** The Mail class allow to control, send, receive, or wait for mail.
+ A mail is a memory block that is send to a thread or interrupt service routine.
+ @tparam T data type of a single message element.
+ @tparam queue_sz maximum number of messages in queue.
+*/
+template<typename T, uint32_t queue_sz>
+class Mail {
+public:
+ /** Create and Initialise Mail queue. */
+ Mail() {
+ #ifdef CMSIS_OS_RTX
+ memset(_mail_q, 0, sizeof(_mail_q));
+ _mail_p[0] = _mail_q;
+
+ memset(_mail_m, 0, sizeof(_mail_m));
+ _mail_p[1] = _mail_m;
+
+ _mail_def.pool = _mail_p;
+ _mail_def.queue_sz = queue_sz;
+ _mail_def.item_sz = sizeof(T);
+ #endif
+ _mail_id = osMailCreate(&_mail_def, NULL);
+ }
+
+ /** Allocate a memory block of type T
+ @param millisec timeout value or 0 in case of no time-out. (default: 0).
+ @return pointer to memory block that can be filled with mail or NULL in case error.
+ */
+ T* alloc(uint32_t millisec=0) {
+ return (T*)osMailAlloc(_mail_id, millisec);
+ }
+
+ /** Allocate a memory block of type T and set memory block to zero.
+ @param millisec timeout value or 0 in case of no time-out. (default: 0).
+ @return pointer to memory block that can be filled with mail or NULL in case error.
+ */
+ T* calloc(uint32_t millisec=0) {
+ return (T*)osMailCAlloc(_mail_id, millisec);
+ }
+
+ /** Put a mail in the queue.
+ @param mptr memory block previously allocated with Mail::alloc or Mail::calloc.
+ @return status code that indicates the execution status of the function.
+ */
+ osStatus put(T *mptr) {
+ return osMailPut(_mail_id, (void*)mptr);
+ }
+
+ /** Get a mail from a queue.
+ @param millisec timeout value or 0 in case of no time-out. (default: osWaitForever).
+ @return event that contains mail information or error code.
+ */
+ osEvent get(uint32_t millisec=osWaitForever) {
+ return osMailGet(_mail_id, millisec);
+ }
+
+ /** Free a memory block from a mail.
+ @param mptr pointer to the memory block that was obtained with Mail::get.
+ @return status code that indicates the execution status of the function.
+ */
+ osStatus free(T *mptr) {
+ return osMailFree(_mail_id, (void*)mptr);
+ }
+
+private:
+ osMailQId _mail_id;
+ osMailQDef_t _mail_def;
+#ifdef CMSIS_OS_RTX
+ uint32_t _mail_q[4+(queue_sz)];
+ uint32_t _mail_m[3+((sizeof(T)+3)/4)*(queue_sz)];
+ void *_mail_p[2];
+#endif
+};
+
+}
+
+#endif
+
+
+/** @}*/
diff -r 000000000000 -r fc74113aca28 mbed-rtos/rtos/MemoryPool.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-rtos/rtos/MemoryPool.h Thu Apr 14 20:21:15 2022 +0000
@@ -0,0 +1,86 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2012 ARM Limited
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef MEMORYPOOL_H
+#define MEMORYPOOL_H
+
+#include <stdint.h>
+#include <string.h>
+
+#include "cmsis_os.h"
+
+namespace rtos {
+/** \addtogroup rtos */
+/** @{*/
+
+/** Define and manage fixed-size memory pools of objects of a given type.
+ @tparam T data type of a single object (element).
+ @tparam queue_sz maximum number of objects (elements) in the memory pool.
+*/
+template<typename T, uint32_t pool_sz>
+class MemoryPool {
+public:
+ /** Create and Initialize a memory pool. */
+ MemoryPool() {
+ #ifdef CMSIS_OS_RTX
+ memset(_pool_m, 0, sizeof(_pool_m));
+ _pool_def.pool = _pool_m;
+
+ _pool_def.pool_sz = pool_sz;
+ _pool_def.item_sz = sizeof(T);
+ #endif
+ _pool_id = osPoolCreate(&_pool_def);
+ }
+
+ /** Allocate a memory block of type T from a memory pool.
+ @return address of the allocated memory block or NULL in case of no memory available.
+ */
+ T* alloc(void) {
+ return (T*)osPoolAlloc(_pool_id);
+ }
+
+ /** Allocate a memory block of type T from a memory pool and set memory block to zero.
+ @return address of the allocated memory block or NULL in case of no memory available.
+ */
+ T* calloc(void) {
+ return (T*)osPoolCAlloc(_pool_id);
+ }
+
+ /** Return an allocated memory block back to a specific memory pool.
+ @param address of the allocated memory block that is returned to the memory pool.
+ @return status code that indicates the execution status of the function.
+ */
+ osStatus free(T *block) {
+ return osPoolFree(_pool_id, (void*)block);
+ }
+
+private:
+ osPoolId _pool_id;
+ osPoolDef_t _pool_def;
+#ifdef CMSIS_OS_RTX
+ uint32_t _pool_m[3+((sizeof(T)+3)/4)*(pool_sz)];
+#endif
+};
+
+}
+#endif
+
+/** @}*/
diff -r 000000000000 -r fc74113aca28 mbed-rtos/rtos/Mutex.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-rtos/rtos/Mutex.cpp Thu Apr 14 20:21:15 2022 +0000
@@ -0,0 +1,56 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2012 ARM Limited
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#include "rtos/Mutex.h"
+
+#include <string.h>
+#include "platform/mbed_error.h"
+
+namespace rtos {
+
+Mutex::Mutex() {
+#ifdef CMSIS_OS_RTX
+ memset(_mutex_data, 0, sizeof(_mutex_data));
+ _osMutexDef.mutex = _mutex_data;
+#endif
+ _osMutexId = osMutexCreate(&_osMutexDef);
+ if (_osMutexId == NULL) {
+ error("Error initializing the mutex object\n");
+ }
+}
+
+osStatus Mutex::lock(uint32_t millisec) {
+ return osMutexWait(_osMutexId, millisec);
+}
+
+bool Mutex::trylock() {
+ return (osMutexWait(_osMutexId, 0) == osOK);
+}
+
+osStatus Mutex::unlock() {
+ return osMutexRelease(_osMutexId);
+}
+
+Mutex::~Mutex() {
+ osMutexDelete(_osMutexId);
+}
+
+}
diff -r 000000000000 -r fc74113aca28 mbed-rtos/rtos/Mutex.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-rtos/rtos/Mutex.h Thu Apr 14 20:21:15 2022 +0000
@@ -0,0 +1,73 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2012 ARM Limited
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef MUTEX_H
+#define MUTEX_H
+
+#include <stdint.h>
+#include "cmsis_os.h"
+
+namespace rtos {
+/** \addtogroup rtos */
+/** @{*/
+
+/** The Mutex class is used to synchronise the execution of threads.
+ This is for example used to protect access to a shared resource.
+*/
+class Mutex {
+public:
+ /** Create and Initialize a Mutex object */
+ Mutex();
+
+ /** Wait until a Mutex becomes available.
+ @param millisec timeout value or 0 in case of no time-out. (default: osWaitForever)
+ @return status code that indicates the execution status of the function.
+ */
+ osStatus lock(uint32_t millisec=osWaitForever);
+
+ /** Try to lock the mutex, and return immediately
+ @return true if the mutex was acquired, false otherwise.
+ */
+ bool trylock();
+
+ /** Unlock the mutex that has previously been locked by the same thread
+ @return status code that indicates the execution status of the function.
+ */
+ osStatus unlock();
+
+ ~Mutex();
+
+private:
+ osMutexId _osMutexId;
+ osMutexDef_t _osMutexDef;
+#ifdef CMSIS_OS_RTX
+#if defined(__MBED_CMSIS_RTOS_CA9) || defined(__MBED_CMSIS_RTOS_CM)
+ int32_t _mutex_data[4];
+#else
+ int32_t _mutex_data[3];
+#endif
+#endif
+};
+
+}
+#endif
+
+/** @}*/
diff -r 000000000000 -r fc74113aca28 mbed-rtos/rtos/Queue.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-rtos/rtos/Queue.h Thu Apr 14 20:21:15 2022 +0000
@@ -0,0 +1,85 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2012 ARM Limited
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef QUEUE_H
+#define QUEUE_H
+
+#include <stdint.h>
+#include <string.h>
+
+#include "cmsis_os.h"
+#include "platform/mbed_error.h"
+
+namespace rtos {
+/** \addtogroup rtos */
+/** @{*/
+
+/** The Queue class allow to control, send, receive, or wait for messages.
+ A message can be a integer or pointer value to a certain type T that is send
+ to a thread or interrupt service routine.
+ @tparam T data type of a single message element.
+ @tparam queue_sz maximum number of messages in queue.
+*/
+template<typename T, uint32_t queue_sz>
+class Queue {
+public:
+ /** Create and initialise a message Queue. */
+ Queue() {
+ #ifdef CMSIS_OS_RTX
+ memset(_queue_q, 0, sizeof(_queue_q));
+ _queue_def.pool = _queue_q;
+ _queue_def.queue_sz = queue_sz;
+ #endif
+ _queue_id = osMessageCreate(&_queue_def, NULL);
+ if (_queue_id == NULL) {
+ error("Error initialising the queue object\n");
+ }
+ }
+
+ /** Put a message in a Queue.
+ @param data message pointer.
+ @param millisec timeout value or 0 in case of no time-out. (default: 0)
+ @return status code that indicates the execution status of the function.
+ */
+ osStatus put(T* data, uint32_t millisec=0) {
+ return osMessagePut(_queue_id, (uint32_t)data, millisec);
+ }
+
+ /** Get a message or Wait for a message from a Queue.
+ @param millisec timeout value or 0 in case of no time-out. (default: osWaitForever).
+ @return event information that includes the message and the status code.
+ */
+ osEvent get(uint32_t millisec=osWaitForever) {
+ return osMessageGet(_queue_id, millisec);
+ }
+
+private:
+ osMessageQId _queue_id;
+ osMessageQDef_t _queue_def;
+#ifdef CMSIS_OS_RTX
+ uint32_t _queue_q[4+(queue_sz)];
+#endif
+};
+
+}
+#endif
+
+/** @}*/
diff -r 000000000000 -r fc74113aca28 mbed-rtos/rtos/RtosTimer.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-rtos/rtos/RtosTimer.cpp Thu Apr 14 20:21:15 2022 +0000
@@ -0,0 +1,55 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2012 ARM Limited
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#include "rtos/RtosTimer.h"
+
+#include <string.h>
+
+#include "mbed.h"
+#include "cmsis_os.h"
+#include "platform/mbed_error.h"
+
+namespace rtos {
+
+void RtosTimer::constructor(mbed::Callback<void()> func, os_timer_type type) {
+#ifdef CMSIS_OS_RTX
+ _timer.ptimer = (void (*)(const void *))Callback<void()>::thunk;
+
+ memset(_timer_data, 0, sizeof(_timer_data));
+ _timer.timer = _timer_data;
+#endif
+ _function = func;
+ _timer_id = osTimerCreate(&_timer, type, &_function);
+}
+
+osStatus RtosTimer::start(uint32_t millisec) {
+ return osTimerStart(_timer_id, millisec);
+}
+
+osStatus RtosTimer::stop(void) {
+ return osTimerStop(_timer_id);
+}
+
+RtosTimer::~RtosTimer() {
+ osTimerDelete(_timer_id);
+}
+
+}
diff -r 000000000000 -r fc74113aca28 mbed-rtos/rtos/RtosTimer.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-rtos/rtos/RtosTimer.h Thu Apr 14 20:21:15 2022 +0000
@@ -0,0 +1,111 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2012 ARM Limited
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef RTOS_TIMER_H
+#define RTOS_TIMER_H
+
+#include <stdint.h>
+#include "cmsis_os.h"
+#include "platform/Callback.h"
+#include "platform/toolchain.h"
+
+namespace rtos {
+/** \addtogroup rtos */
+/** @{*/
+
+/** The RtosTimer class allow creating and and controlling of timer functions in the system.
+ A timer function is called when a time period expires whereby both on-shot and
+ periodic timers are possible. A timer can be started, restarted, or stopped.
+
+ Timers are handled in the thread osTimerThread.
+ Callback functions run under control of this thread and may use CMSIS-RTOS API calls.
+*/
+class RtosTimer {
+public:
+ /** Create timer.
+ @param func function to be executed by this timer.
+ @param type osTimerOnce for one-shot or osTimerPeriodic for periodic behaviour. (default: osTimerPeriodic)
+ @param argument argument to the timer call back function. (default: NULL)
+ @deprecated Replaced with RtosTimer(Callback<void()>, os_timer_type)
+ */
+ MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "Replaced with RtosTimer(Callback<void()>, os_timer_type)")
+ RtosTimer(void (*func)(void const *argument), os_timer_type type=osTimerPeriodic, void *argument=NULL) {
+ constructor(mbed::callback((void (*)(void *))func, argument), type);
+ }
+
+ /** Create timer.
+ @param func function to be executed by this timer.
+ @param type osTimerOnce for one-shot or osTimerPeriodic for periodic behaviour. (default: osTimerPeriodic)
+ */
+ RtosTimer(mbed::Callback<void()> func, os_timer_type type=osTimerPeriodic) {
+ constructor(func, type);
+ }
+
+ /** Create timer.
+ @param obj pointer to the object to call the member function on.
+ @param method member function to be executed by this timer.
+ @param type osTimerOnce for one-shot or osTimerPeriodic for periodic behaviour. (default: osTimerPeriodic)
+ @deprecated
+ The RtosTimer constructor does not support cv-qualifiers. Replaced by
+ RtosTimer(callback(obj, method), os_timer_type).
+ */
+ template <typename T, typename M>
+ MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "The RtosTimer constructor does not support cv-qualifiers. Replaced by "
+ "RtosTimer(callback(obj, method), os_timer_type).")
+ RtosTimer(T *obj, M method, os_timer_type type=osTimerPeriodic) {
+ constructor(mbed::callback(obj, method), type);
+ }
+
+ /** Stop the timer.
+ @return status code that indicates the execution status of the function.
+ */
+ osStatus stop(void);
+
+ /** Start the timer.
+ @param millisec time delay value of the timer.
+ @return status code that indicates the execution status of the function.
+ */
+ osStatus start(uint32_t millisec);
+
+ ~RtosTimer();
+
+private:
+ // Required to share definitions without
+ // delegated constructors
+ void constructor(mbed::Callback<void()> func, os_timer_type type);
+
+ mbed::Callback<void()> _function;
+ osTimerId _timer_id;
+ osTimerDef_t _timer;
+#if defined(CMSIS_OS_RTX) && !defined(__MBED_CMSIS_RTOS_CM)
+ uint32_t _timer_data[5];
+#else
+ uint32_t _timer_data[6];
+#endif
+};
+
+}
+
+#endif
+
+/** @}*/
diff -r 000000000000 -r fc74113aca28 mbed-rtos/rtos/Semaphore.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-rtos/rtos/Semaphore.cpp Thu Apr 14 20:21:15 2022 +0000
@@ -0,0 +1,48 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2012 ARM Limited
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#include "rtos/Semaphore.h"
+
+#include <string.h>
+
+namespace rtos {
+
+Semaphore::Semaphore(int32_t count) {
+#ifdef CMSIS_OS_RTX
+ memset(_semaphore_data, 0, sizeof(_semaphore_data));
+ _osSemaphoreDef.semaphore = _semaphore_data;
+#endif
+ _osSemaphoreId = osSemaphoreCreate(&_osSemaphoreDef, count);
+}
+
+int32_t Semaphore::wait(uint32_t millisec) {
+ return osSemaphoreWait(_osSemaphoreId, millisec);
+}
+
+osStatus Semaphore::release(void) {
+ return osSemaphoreRelease(_osSemaphoreId);
+}
+
+Semaphore::~Semaphore() {
+ osSemaphoreDelete(_osSemaphoreId);
+}
+
+}
diff -r 000000000000 -r fc74113aca28 mbed-rtos/rtos/Semaphore.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-rtos/rtos/Semaphore.h Thu Apr 14 20:21:15 2022 +0000
@@ -0,0 +1,64 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2012 ARM Limited
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef SEMAPHORE_H
+#define SEMAPHORE_H
+
+#include <stdint.h>
+#include "cmsis_os.h"
+
+namespace rtos {
+/** \addtogroup rtos */
+/** @{*/
+
+/** The Semaphore class is used to manage and protect access to a set of shared resources. */
+class Semaphore {
+public:
+ /** Create and Initialize a Semaphore object used for managing resources.
+ @param number of available resources; maximum index value is (count-1). (default: 0).
+ */
+ Semaphore(int32_t count=0);
+
+ /** Wait until a Semaphore resource becomes available.
+ @param millisec timeout value or 0 in case of no time-out. (default: osWaitForever).
+ @return number of available tokens, or -1 in case of incorrect parameters
+ */
+ int32_t wait(uint32_t millisec=osWaitForever);
+
+ /** Release a Semaphore resource that was obtain with Semaphore::wait.
+ @return status code that indicates the execution status of the function.
+ */
+ osStatus release(void);
+
+ ~Semaphore();
+
+private:
+ osSemaphoreId _osSemaphoreId;
+ osSemaphoreDef_t _osSemaphoreDef;
+#ifdef CMSIS_OS_RTX
+ uint32_t _semaphore_data[2];
+#endif
+};
+
+}
+#endif
+
+/** @}*/
diff -r 000000000000 -r fc74113aca28 mbed-rtos/rtos/Thread.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-rtos/rtos/Thread.cpp Thu Apr 14 20:21:15 2022 +0000
@@ -0,0 +1,374 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2012 ARM Limited
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#include "rtos/Thread.h"
+
+#include "mbed.h"
+#include "rtos/rtos_idle.h"
+
+// rt_tid2ptcb is an internal function which we exposed to get TCB for thread id
+#undef NULL //Workaround for conflicting macros in rt_TypeDef.h and stdio.h
+#include "rt_TypeDef.h"
+
+extern "C" P_TCB rt_tid2ptcb(osThreadId thread_id);
+
+
+static void (*terminate_hook)(osThreadId id) = 0;
+extern "C" void thread_terminate_hook(osThreadId id)
+{
+ if (terminate_hook != (void (*)(osThreadId))NULL) {
+ terminate_hook(id);
+ }
+}
+
+namespace rtos {
+
+void Thread::constructor(osPriority priority,
+ uint32_t stack_size, unsigned char *stack_pointer) {
+ _tid = 0;
+ _dynamic_stack = (stack_pointer == NULL);
+
+#if defined(__MBED_CMSIS_RTOS_CA9) || defined(__MBED_CMSIS_RTOS_CM)
+ _thread_def.tpriority = priority;
+ _thread_def.stacksize = stack_size;
+ _thread_def.stack_pointer = (uint32_t*)stack_pointer;
+#endif
+}
+
+void Thread::constructor(Callback<void()> task,
+ osPriority priority, uint32_t stack_size, unsigned char *stack_pointer) {
+ constructor(priority, stack_size, stack_pointer);
+
+ switch (start(task)) {
+ case osErrorResource:
+ error("OS ran out of threads!\n");
+ break;
+ case osErrorParameter:
+ error("Thread already running!\n");
+ break;
+ case osErrorNoMemory:
+ error("Error allocating the stack memory\n");
+ default:
+ break;
+ }
+}
+
+osStatus Thread::start(Callback<void()> task) {
+ _mutex.lock();
+
+ if (_tid != 0) {
+ _mutex.unlock();
+ return osErrorParameter;
+ }
+
+#if defined(__MBED_CMSIS_RTOS_CA9) || defined(__MBED_CMSIS_RTOS_CM)
+ _thread_def.pthread = Thread::_thunk;
+ if (_thread_def.stack_pointer == NULL) {
+ _thread_def.stack_pointer = new uint32_t[_thread_def.stacksize/sizeof(uint32_t)];
+ MBED_ASSERT(_thread_def.stack_pointer != NULL);
+ }
+
+ //Fill the stack with a magic word for maximum usage checking
+ for (uint32_t i = 0; i < (_thread_def.stacksize / sizeof(uint32_t)); i++) {
+ _thread_def.stack_pointer[i] = 0xE25A2EA5;
+ }
+#endif
+ _task = task;
+ _tid = osThreadCreate(&_thread_def, this);
+ if (_tid == NULL) {
+ if (_dynamic_stack) {
+ delete[] (_thread_def.stack_pointer);
+ _thread_def.stack_pointer = (uint32_t*)NULL;
+ }
+ _mutex.unlock();
+ _join_sem.release();
+ return osErrorResource;
+ }
+
+ _mutex.unlock();
+ return osOK;
+}
+
+osStatus Thread::terminate() {
+ osStatus ret;
+ _mutex.lock();
+
+ // Set the Thread's tid to NULL and
+ // release the semaphore before terminating
+ // since this thread could be terminating itself
+ osThreadId local_id = _tid;
+ _join_sem.release();
+ _tid = (osThreadId)NULL;
+
+ ret = osThreadTerminate(local_id);
+
+ _mutex.unlock();
+ return ret;
+}
+
+osStatus Thread::join() {
+ int32_t ret = _join_sem.wait();
+ if (ret < 0) {
+ return osErrorOS;
+ }
+
+ // The semaphore has been released so this thread is being
+ // terminated or has been terminated. Once the mutex has
+ // been locked it is ensured that the thread is deleted.
+ _mutex.lock();
+ MBED_ASSERT(NULL == _tid);
+ _mutex.unlock();
+
+ // Release sem so any other threads joining this thread wake up
+ _join_sem.release();
+ return osOK;
+}
+
+osStatus Thread::set_priority(osPriority priority) {
+ osStatus ret;
+ _mutex.lock();
+
+ ret = osThreadSetPriority(_tid, priority);
+
+ _mutex.unlock();
+ return ret;
+}
+
+osPriority Thread::get_priority() {
+ osPriority ret;
+ _mutex.lock();
+
+ ret = osThreadGetPriority(_tid);
+
+ _mutex.unlock();
+ return ret;
+}
+
+int32_t Thread::signal_set(int32_t signals) {
+ // osSignalSet is thread safe as long as the underlying
+ // thread does not get terminated or return from main
+ return osSignalSet(_tid, signals);
+}
+
+int32_t Thread::signal_clr(int32_t signals) {
+ // osSignalClear is thread safe as long as the underlying
+ // thread does not get terminated or return from main
+ return osSignalClear(_tid, signals);
+}
+
+Thread::State Thread::get_state() {
+#if !defined(__MBED_CMSIS_RTOS_CA9) && !defined(__MBED_CMSIS_RTOS_CM)
+#ifdef CMSIS_OS_RTX
+ State status = Deleted;
+ _mutex.lock();
+
+ if (_tid != NULL) {
+ status = (State)_thread_def.tcb.state;
+ }
+
+ _mutex.unlock();
+ return status;
+#endif
+#else
+ State status = Deleted;
+ _mutex.lock();
+
+ if (_tid != NULL) {
+ status = (State)osThreadGetState(_tid);
+ }
+
+ _mutex.unlock();
+ return status;
+#endif
+}
+
+uint32_t Thread::stack_size() {
+#ifndef __MBED_CMSIS_RTOS_CA9
+#if defined(CMSIS_OS_RTX) && !defined(__MBED_CMSIS_RTOS_CM)
+ uint32_t size = 0;
+ _mutex.lock();
+
+ if (_tid != NULL) {
+ size = _thread_def.tcb.priv_stack;
+ }
+
+ _mutex.unlock();
+ return size;
+#else
+ uint32_t size = 0;
+ _mutex.lock();
+
+ if (_tid != NULL) {
+ P_TCB tcb = rt_tid2ptcb(_tid);
+ size = tcb->priv_stack;
+ }
+
+ _mutex.unlock();
+ return size;
+#endif
+#else
+ return 0;
+#endif
+}
+
+uint32_t Thread::free_stack() {
+#ifndef __MBED_CMSIS_RTOS_CA9
+#if defined(CMSIS_OS_RTX) && !defined(__MBED_CMSIS_RTOS_CM)
+ uint32_t size = 0;
+ _mutex.lock();
+
+ if (_tid != NULL) {
+ uint32_t bottom = (uint32_t)_thread_def.tcb.stack;
+ size = _thread_def.tcb.tsk_stack - bottom;
+ }
+
+ _mutex.unlock();
+ return size;
+#else
+ uint32_t size = 0;
+ _mutex.lock();
+
+ if (_tid != NULL) {
+ P_TCB tcb = rt_tid2ptcb(_tid);
+ uint32_t bottom = (uint32_t)tcb->stack;
+ size = tcb->tsk_stack - bottom;
+ }
+
+ _mutex.unlock();
+ return size;
+#endif
+#else
+ return 0;
+#endif
+}
+
+uint32_t Thread::used_stack() {
+#ifndef __MBED_CMSIS_RTOS_CA9
+#if defined(CMSIS_OS_RTX) && !defined(__MBED_CMSIS_RTOS_CM)
+ uint32_t size = 0;
+ _mutex.lock();
+
+ if (_tid != NULL) {
+ uint32_t top = (uint32_t)_thread_def.tcb.stack + _thread_def.tcb.priv_stack;
+ size = top - _thread_def.tcb.tsk_stack;
+ }
+
+ _mutex.unlock();
+ return size;
+#else
+ uint32_t size = 0;
+ _mutex.lock();
+
+ if (_tid != NULL) {
+ P_TCB tcb = rt_tid2ptcb(_tid);
+ uint32_t top = (uint32_t)tcb->stack + tcb->priv_stack;
+ size = top - tcb->tsk_stack;
+ }
+
+ _mutex.unlock();
+ return size;
+#endif
+#else
+ return 0;
+#endif
+}
+
+uint32_t Thread::max_stack() {
+#ifndef __MBED_CMSIS_RTOS_CA9
+#if defined(CMSIS_OS_RTX) && !defined(__MBED_CMSIS_RTOS_CM)
+ uint32_t size = 0;
+ _mutex.lock();
+
+ if (_tid != NULL) {
+ uint32_t high_mark = 0;
+ while (_thread_def.tcb.stack[high_mark] == 0xE25A2EA5)
+ high_mark++;
+ size = _thread_def.tcb.priv_stack - (high_mark * 4);
+ }
+
+ _mutex.unlock();
+ return size;
+#else
+ uint32_t size = 0;
+ _mutex.lock();
+
+ if (_tid != NULL) {
+ P_TCB tcb = rt_tid2ptcb(_tid);
+ uint32_t high_mark = 0;
+ while (tcb->stack[high_mark] == 0xE25A2EA5)
+ high_mark++;
+ size = tcb->priv_stack - (high_mark * 4);
+ }
+
+ _mutex.unlock();
+ return size;
+#endif
+#else
+ return 0;
+#endif
+}
+
+osEvent Thread::signal_wait(int32_t signals, uint32_t millisec) {
+ return osSignalWait(signals, millisec);
+}
+
+osStatus Thread::wait(uint32_t millisec) {
+ return osDelay(millisec);
+}
+
+osStatus Thread::yield() {
+ return osThreadYield();
+}
+
+osThreadId Thread::gettid() {
+ return osThreadGetId();
+}
+
+void Thread::attach_idle_hook(void (*fptr)(void)) {
+ rtos_attach_idle_hook(fptr);
+}
+
+void Thread::attach_terminate_hook(void (*fptr)(osThreadId id)) {
+ terminate_hook = fptr;
+}
+
+Thread::~Thread() {
+ // terminate is thread safe
+ terminate();
+#ifdef __MBED_CMSIS_RTOS_CM
+ if (_dynamic_stack) {
+ delete[] (_thread_def.stack_pointer);
+ _thread_def.stack_pointer = (uint32_t*)NULL;
+ }
+#endif
+}
+
+void Thread::_thunk(const void * thread_ptr)
+{
+ Thread *t = (Thread*)thread_ptr;
+ t->_task();
+ t->_mutex.lock();
+ t->_tid = (osThreadId)NULL;
+ t->_join_sem.release();
+ // rtos will release the mutex automatically
+}
+
+}
diff -r 000000000000 -r fc74113aca28 mbed-rtos/rtos/Thread.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-rtos/rtos/Thread.h Thu Apr 14 20:21:15 2022 +0000
@@ -0,0 +1,355 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2012 ARM Limited
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef THREAD_H
+#define THREAD_H
+
+#include <stdint.h>
+#include "cmsis_os.h"
+#include "platform/Callback.h"
+#include "platform/toolchain.h"
+#include "rtos/Semaphore.h"
+#include "rtos/Mutex.h"
+
+namespace rtos {
+/** \addtogroup rtos */
+/** @{*/
+
+/** The Thread class allow defining, creating, and controlling thread functions in the system.
+ *
+ * Example:
+ * @code
+ * #include "mbed.h"
+ * #include "rtos.h"
+ *
+ * Thread thread;
+ * DigitalOut led1(LED1);
+ * volatile bool running = true;
+ *
+ * // Blink function toggles the led in a long running loop
+ * void blink(DigitalOut *led) {
+ * while (running) {
+ * *led = !*led;
+ * Thread::wait(1000);
+ * }
+ * }
+ *
+ * // Spawns a thread to run blink for 5 seconds
+ * int main() {
+ * thread.start(led1, blink);
+ * Thread::wait(5000);
+ * running = false;
+ * thread.join();
+ * }
+ * @endcode
+ */
+class Thread {
+public:
+ /** Allocate a new thread without starting execution
+ @param priority initial priority of the thread function. (default: osPriorityNormal).
+ @param stack_size stack size (in bytes) requirements for the thread function. (default: DEFAULT_STACK_SIZE).
+ @param stack_pointer pointer to the stack area to be used by this thread (default: NULL).
+ */
+ Thread(osPriority priority=osPriorityNormal,
+ uint32_t stack_size=DEFAULT_STACK_SIZE,
+ unsigned char *stack_pointer=NULL) {
+ constructor(priority, stack_size, stack_pointer);
+ }
+
+ /** Create a new thread, and start it executing the specified function.
+ @param task function to be executed by this thread.
+ @param argument pointer that is passed to the thread function as start argument. (default: NULL).
+ @param priority initial priority of the thread function. (default: osPriorityNormal).
+ @param stack_size stack size (in bytes) requirements for the thread function. (default: DEFAULT_STACK_SIZE).
+ @param stack_pointer pointer to the stack area to be used by this thread (default: NULL).
+ @deprecated
+ Thread-spawning constructors hide errors. Replaced by thread.start(task).
+
+ @code
+ Thread thread(priority, stack_size, stack_pointer);
+
+ osStatus status = thread.start(task);
+ if (status != osOK) {
+ error("oh no!");
+ }
+ @endcode
+ */
+ MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "Thread-spawning constructors hide errors. "
+ "Replaced by thread.start(task).")
+ Thread(mbed::Callback<void()> task,
+ osPriority priority=osPriorityNormal,
+ uint32_t stack_size=DEFAULT_STACK_SIZE,
+ unsigned char *stack_pointer=NULL) {
+ constructor(task, priority, stack_size, stack_pointer);
+ }
+
+ /** Create a new thread, and start it executing the specified function.
+ @param obj argument to task.
+ @param method function to be executed by this thread.
+ @param argument pointer that is passed to the thread function as start argument. (default: NULL).
+ @param priority initial priority of the thread function. (default: osPriorityNormal).
+ @param stack_size stack size (in bytes) requirements for the thread function. (default: DEFAULT_STACK_SIZE).
+ @param stack_pointer pointer to the stack area to be used by this thread (default: NULL).
+ @deprecated
+ Thread-spawning constructors hide errors. Replaced by thread.start(callback(task, argument)).
+
+ @code
+ Thread thread(priority, stack_size, stack_pointer);
+
+ osStatus status = thread.start(callback(task, argument));
+ if (status != osOK) {
+ error("oh no!");
+ }
+ @endcode
+ */
+ template <typename T>
+ MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "Thread-spawning constructors hide errors. "
+ "Replaced by thread.start(callback(task, argument)).")
+ Thread(T *argument, void (T::*task)(),
+ osPriority priority=osPriorityNormal,
+ uint32_t stack_size=DEFAULT_STACK_SIZE,
+ unsigned char *stack_pointer=NULL) {
+ constructor(mbed::callback(task, argument),
+ priority, stack_size, stack_pointer);
+ }
+
+ /** Create a new thread, and start it executing the specified function.
+ @param obj argument to task.
+ @param method function to be executed by this thread.
+ @param argument pointer that is passed to the thread function as start argument. (default: NULL).
+ @param priority initial priority of the thread function. (default: osPriorityNormal).
+ @param stack_size stack size (in bytes) requirements for the thread function. (default: DEFAULT_STACK_SIZE).
+ @param stack_pointer pointer to the stack area to be used by this thread (default: NULL).
+ @deprecated
+ Thread-spawning constructors hide errors. Replaced by thread.start(callback(task, argument)).
+
+ @code
+ Thread thread(priority, stack_size, stack_pointer);
+
+ osStatus status = thread.start(callback(task, argument));
+ if (status != osOK) {
+ error("oh no!");
+ }
+ @endcode
+ */
+ template <typename T>
+ MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "Thread-spawning constructors hide errors. "
+ "Replaced by thread.start(callback(task, argument)).")
+ Thread(T *argument, void (*task)(T *),
+ osPriority priority=osPriorityNormal,
+ uint32_t stack_size=DEFAULT_STACK_SIZE,
+ unsigned char *stack_pointer=NULL) {
+ constructor(mbed::callback(task, argument),
+ priority, stack_size, stack_pointer);
+ }
+
+ /** Create a new thread, and start it executing the specified function.
+ Provided for backwards compatibility
+ @param task function to be executed by this thread.
+ @param argument pointer that is passed to the thread function as start argument. (default: NULL).
+ @param priority initial priority of the thread function. (default: osPriorityNormal).
+ @param stack_size stack size (in bytes) requirements for the thread function. (default: DEFAULT_STACK_SIZE).
+ @param stack_pointer pointer to the stack area to be used by this thread (default: NULL).
+ @deprecated
+ Thread-spawning constructors hide errors. Replaced by thread.start(callback(task, argument)).
+
+ @code
+ Thread thread(priority, stack_size, stack_pointer);
+
+ osStatus status = thread.start(callback(task, argument));
+ if (status != osOK) {
+ error("oh no!");
+ }
+ @endcode
+ */
+ MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "Thread-spawning constructors hide errors. "
+ "Replaced by thread.start(callback(task, argument)).")
+ Thread(void (*task)(void const *argument), void *argument=NULL,
+ osPriority priority=osPriorityNormal,
+ uint32_t stack_size=DEFAULT_STACK_SIZE,
+ unsigned char *stack_pointer=NULL) {
+ constructor(mbed::callback((void (*)(void *))task, argument),
+ priority, stack_size, stack_pointer);
+ }
+
+ /** Starts a thread executing the specified function.
+ @param task function to be executed by this thread.
+ @return status code that indicates the execution status of the function.
+ */
+ osStatus start(mbed::Callback<void()> task);
+
+ /** Starts a thread executing the specified function.
+ @param obj argument to task
+ @param method function to be executed by this thread.
+ @return status code that indicates the execution status of the function.
+ @deprecated
+ The start function does not support cv-qualifiers. Replaced by start(callback(obj, method)).
+ */
+ template <typename T, typename M>
+ MBED_DEPRECATED_SINCE("mbed-os-5.1",
+ "The start function does not support cv-qualifiers. "
+ "Replaced by thread.start(callback(obj, method)).")
+ osStatus start(T *obj, M method) {
+ return start(mbed::callback(obj, method));
+ }
+
+ /** Wait for thread to terminate
+ @return status code that indicates the execution status of the function.
+ @note not callable from interrupt
+ */
+ osStatus join();
+
+ /** Terminate execution of a thread and remove it from Active Threads
+ @return status code that indicates the execution status of the function.
+ */
+ osStatus terminate();
+
+ /** Set priority of an active thread
+ @param priority new priority value for the thread function.
+ @return status code that indicates the execution status of the function.
+ */
+ osStatus set_priority(osPriority priority);
+
+ /** Get priority of an active thread
+ @return current priority value of the thread function.
+ */
+ osPriority get_priority();
+
+ /** Set the specified Signal Flags of an active thread.
+ @param signals specifies the signal flags of the thread that should be set.
+ @return previous signal flags of the specified thread or 0x80000000 in case of incorrect parameters.
+ */
+ int32_t signal_set(int32_t signals);
+
+ /** Clears the specified Signal Flags of an active thread.
+ @param signals specifies the signal flags of the thread that should be cleared.
+ @return resultant signal flags of the specified thread or 0x80000000 in case of incorrect parameters.
+ */
+ int32_t signal_clr(int32_t signals);
+
+ /** State of the Thread */
+ enum State {
+ Inactive, /**< Not created or terminated */
+ Ready, /**< Ready to run */
+ Running, /**< Running */
+ WaitingDelay, /**< Waiting for a delay to occur */
+ WaitingInterval, /**< Waiting for an interval to occur */
+ WaitingOr, /**< Waiting for one event in a set to occur */
+ WaitingAnd, /**< Waiting for multiple events in a set to occur */
+ WaitingSemaphore, /**< Waiting for a semaphore event to occur */
+ WaitingMailbox, /**< Waiting for a mailbox event to occur */
+ WaitingMutex, /**< Waiting for a mutex event to occur */
+
+ /* Not in sync with RTX below here */
+ Deleted, /**< The task has been deleted */
+ };
+
+ /** State of this Thread
+ @return the State of this Thread
+ */
+ State get_state();
+
+ /** Get the total stack memory size for this Thread
+ @return the total stack memory size in bytes
+ */
+ uint32_t stack_size();
+
+ /** Get the currently unused stack memory for this Thread
+ @return the currently unused stack memory in bytes
+ */
+ uint32_t free_stack();
+
+ /** Get the currently used stack memory for this Thread
+ @return the currently used stack memory in bytes
+ */
+ uint32_t used_stack();
+
+ /** Get the maximum stack memory usage to date for this Thread
+ @return the maximum stack memory usage to date in bytes
+ */
+ uint32_t max_stack();
+
+ /** Wait for one or more Signal Flags to become signaled for the current RUNNING thread.
+ @param signals wait until all specified signal flags set or 0 for any single signal flag.
+ @param millisec timeout value or 0 in case of no time-out. (default: osWaitForever).
+ @return event flag information or error code.
+ @note not callable from interrupt
+ */
+ static osEvent signal_wait(int32_t signals, uint32_t millisec=osWaitForever);
+
+ /** Wait for a specified time period in millisec:
+ @param millisec time delay value
+ @return status code that indicates the execution status of the function.
+ @note not callable from interrupt
+ */
+ static osStatus wait(uint32_t millisec);
+
+ /** Pass control to next thread that is in state READY.
+ @return status code that indicates the execution status of the function.
+ @note not callable from interrupt
+ */
+ static osStatus yield();
+
+ /** Get the thread id of the current running thread.
+ @return thread ID for reference by other functions or NULL in case of error.
+ */
+ static osThreadId gettid();
+
+ /** Attach a function to be called by the RTOS idle task
+ @param fptr pointer to the function to be called
+ */
+ static void attach_idle_hook(void (*fptr)(void));
+
+ /** Attach a function to be called when a task is killed
+ @param fptr pointer to the function to be called
+ */
+ static void attach_terminate_hook(void (*fptr)(osThreadId id));
+
+ virtual ~Thread();
+
+private:
+ // Required to share definitions without
+ // delegated constructors
+ void constructor(osPriority priority=osPriorityNormal,
+ uint32_t stack_size=DEFAULT_STACK_SIZE,
+ unsigned char *stack_pointer=NULL);
+ void constructor(mbed::Callback<void()> task,
+ osPriority priority=osPriorityNormal,
+ uint32_t stack_size=DEFAULT_STACK_SIZE,
+ unsigned char *stack_pointer=NULL);
+ static void _thunk(const void * thread_ptr);
+
+ mbed::Callback<void()> _task;
+ osThreadId _tid;
+ osThreadDef_t _thread_def;
+ bool _dynamic_stack;
+ Semaphore _join_sem;
+ Mutex _mutex;
+};
+
+}
+#endif
+
+/** @}*/
diff -r 000000000000 -r fc74113aca28 mbed-rtos/rtos/rtos.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-rtos/rtos/rtos.h Thu Apr 14 20:21:15 2022 +0000
@@ -0,0 +1,49 @@
+
+/** \addtogroup rtos */
+/** @{*/
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2012 ARM Limited
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef RTOS_H
+#define RTOS_H
+
+#include "rtos/Thread.h"
+#include "rtos/Mutex.h"
+#include "rtos/RtosTimer.h"
+#include "rtos/Semaphore.h"
+#include "rtos/Mail.h"
+#include "rtos/MemoryPool.h"
+#include "rtos/Queue.h"
+
+using namespace rtos;
+
+/* Get mbed lib version number, as RTOS depends on mbed lib features
+ like mbed_error, Callback and others.
+*/
+#include "mbed.h"
+
+#if (MBED_LIBRARY_VERSION < 122)
+#error "This version of RTOS requires mbed library version > 121"
+#endif
+
+#endif
+
+/** @}*/
diff -r 000000000000 -r fc74113aca28 mbed-rtos/rtos/rtos_idle.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-rtos/rtos/rtos_idle.c Thu Apr 14 20:21:15 2022 +0000
@@ -0,0 +1,51 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2012 ARM Limited
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include "rtos/rtos_idle.h"
+
+static void default_idle_hook(void)
+{
+ /* Sleep: ideally, we should put the chip to sleep.
+ Unfortunately, this usually requires disconnecting the interface chip (debugger).
+ This can be done, but it would break the local file system.
+ */
+ // sleep();
+}
+static void (*idle_hook_fptr)(void) = &default_idle_hook;
+
+void rtos_attach_idle_hook(void (*fptr)(void))
+{
+ //Attach the specified idle hook, or the default idle hook in case of a NULL pointer
+ if (fptr != NULL) {
+ idle_hook_fptr = fptr;
+ } else {
+ idle_hook_fptr = default_idle_hook;
+ }
+}
+
+void rtos_idle_loop(void)
+{
+ //Continuously call the idle hook function pointer
+ while (1) {
+ idle_hook_fptr();
+ }
+}
diff -r 000000000000 -r fc74113aca28 mbed-rtos/rtos/rtos_idle.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-rtos/rtos/rtos_idle.h Thu Apr 14 20:21:15 2022 +0000
@@ -0,0 +1,42 @@
+
+/** \addtogroup rtos */
+/** @{*/
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2012 ARM Limited
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef RTOS_IDLE_H
+#define RTOS_IDLE_H
+
+#include <stddef.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void rtos_attach_idle_hook(void (*fptr)(void));
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+
+/** @}*/
diff -r 000000000000 -r fc74113aca28 mbed-rtos/rtx/TARGET_CORTEX_M/HAL_CM.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-rtos/rtx/TARGET_CORTEX_M/HAL_CM.c Thu Apr 14 20:21:15 2022 +0000
@@ -0,0 +1,207 @@
+/*----------------------------------------------------------------------------
+ * CMSIS-RTOS - RTX
+ *----------------------------------------------------------------------------
+ * Name: HAL_CM.C
+ * Purpose: Hardware Abstraction Layer for Cortex-M
+ * Rev.: V4.79
+ *----------------------------------------------------------------------------
+ *
+ * Copyright (c) 1999-2009 KEIL, 2009-2015 ARM Germany GmbH
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * - Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *---------------------------------------------------------------------------*/
+
+#include "rt_TypeDef.h"
+#include "RTX_Config.h"
+#include "rt_HAL_CM.h"
+#include "cmsis_os.h"
+
+/*----------------------------------------------------------------------------
+ * Global Variables
+ *---------------------------------------------------------------------------*/
+
+#ifdef DBG_MSG
+BIT dbg_msg;
+#endif
+
+/*----------------------------------------------------------------------------
+ * Functions
+ *---------------------------------------------------------------------------*/
+
+
+/*--------------------------- rt_init_stack ---------------------------------*/
+
+void rt_init_stack (P_TCB p_TCB, FUNCP task_body) {
+ /* Prepare TCB and saved context for a first time start of a task. */
+ U32 *stk,i,size;
+
+ /* Prepare a complete interrupt frame for first task start */
+ size = p_TCB->priv_stack >> 2;
+ if (size == 0U) {
+ size = (U16)os_stackinfo >> 2;
+ }
+
+ /* Write to the top of stack. */
+ stk = &p_TCB->stack[size];
+
+ /* Auto correct to 8-byte ARM stack alignment. */
+ if ((U32)stk & 0x04U) {
+ stk--;
+ }
+
+ stk -= 16;
+
+ /* Default xPSR and initial PC */
+ stk[15] = INITIAL_xPSR;
+ stk[14] = (U32)task_body;
+
+ /* Clear R4-R11,R0-R3,R12,LR registers. */
+ for (i = 0U; i < 14U; i++) {
+ stk[i] = 0U;
+ }
+
+ /* Assign a void pointer to R0. */
+ stk[8] = (U32)p_TCB->msg;
+
+ /* Initial Task stack pointer. */
+ p_TCB->tsk_stack = (U32)stk;
+
+ /* Task entry point. */
+ p_TCB->ptask = task_body;
+
+
+#ifdef __MBED_CMSIS_RTOS_CM
+ /* Set a magic word for checking of stack overflow.
+ For the main thread (ID: MAIN_THREAD_ID) the stack is in a memory area shared with the
+ heap, therefore the last word of the stack is a moving target.
+ We want to do stack/heap collision detection instead.
+ Similar applies to stack filling for the magic pattern.
+ */
+ if (p_TCB->task_id != MAIN_THREAD_ID) {
+ p_TCB->stack[0] = MAGIC_WORD;
+
+ /* Initialize stack with magic pattern. */
+ if (os_stackinfo & 0x10000000U) {
+ if (size > (16U+1U)) {
+ for (i = ((size - 16U)/2U) - 1U; i; i--) {
+ stk -= 2U;
+ stk[1] = MAGIC_PATTERN;
+ stk[0] = MAGIC_PATTERN;
+ }
+ if (--stk > p_TCB->stack) {
+ *stk = MAGIC_PATTERN;
+ }
+ }
+ }
+ }
+#else
+ /* Initialize stack with magic pattern. */
+ if (os_stackinfo & 0x10000000U) {
+ if (size > (16U+1U)) {
+ for (i = ((size - 16U)/2U) - 1U; i; i--) {
+ stk -= 2U;
+ stk[1] = MAGIC_PATTERN;
+ stk[0] = MAGIC_PATTERN;
+ }
+ if (--stk > p_TCB->stack) {
+ *stk = MAGIC_PATTERN;
+ }
+ }
+ }
+
+ /* Set a magic word for checking of stack overflow. */
+ p_TCB->stack[0] = MAGIC_WORD;
+#endif
+}
+
+
+/*--------------------------- rt_ret_val ----------------------------------*/
+
+static __inline U32 *rt_ret_regs (P_TCB p_TCB) {
+ /* Get pointer to task return value registers (R0..R3) in Stack */
+#if defined(__TARGET_FPU_VFP)
+ if (p_TCB->stack_frame) {
+ /* Extended Stack Frame: R4-R11,S16-S31,R0-R3,R12,LR,PC,xPSR,S0-S15,FPSCR */
+ return (U32 *)(p_TCB->tsk_stack + (8U*4U) + (16U*4U));
+ } else {
+ /* Basic Stack Frame: R4-R11,R0-R3,R12,LR,PC,xPSR */
+ return (U32 *)(p_TCB->tsk_stack + (8U*4U));
+ }
+#else
+ /* Stack Frame: R4-R11,R0-R3,R12,LR,PC,xPSR */
+ return (U32 *)(p_TCB->tsk_stack + (8U*4U));
+#endif
+}
+
+void rt_ret_val (P_TCB p_TCB, U32 v0) {
+ U32 *ret;
+
+ ret = rt_ret_regs(p_TCB);
+ ret[0] = v0;
+}
+
+void rt_ret_val2(P_TCB p_TCB, U32 v0, U32 v1) {
+ U32 *ret;
+
+ ret = rt_ret_regs(p_TCB);
+ ret[0] = v0;
+ ret[1] = v1;
+}
+
+
+/*--------------------------- dbg_init --------------------------------------*/
+
+#ifdef DBG_MSG
+void dbg_init (void) {
+ if (((DEMCR & DEMCR_TRCENA) != 0U) &&
+ ((ITM_CONTROL & ITM_ITMENA) != 0U) &&
+ ((ITM_ENABLE & (1UL << 31)) != 0U)) {
+ dbg_msg = __TRUE;
+ }
+}
+#endif
+
+/*--------------------------- dbg_task_notify -------------------------------*/
+
+#ifdef DBG_MSG
+void dbg_task_notify (P_TCB p_tcb, BOOL create) {
+ while (ITM_PORT31_U32 == 0U);
+ ITM_PORT31_U32 = (U32)p_tcb->ptask;
+ while (ITM_PORT31_U32 == 0U);
+ ITM_PORT31_U16 = (U16)((create << 8) | p_tcb->task_id);
+}
+#endif
+
+/*--------------------------- dbg_task_switch -------------------------------*/
+
+#ifdef DBG_MSG
+void dbg_task_switch (U32 task_id) {
+ while (ITM_PORT31_U32 == 0U);
+ ITM_PORT31_U8 = (U8)task_id;
+}
+#endif
+
+/*----------------------------------------------------------------------------
+ * end of file
+ *---------------------------------------------------------------------------*/
diff -r 000000000000 -r fc74113aca28 mbed-rtos/rtx/TARGET_CORTEX_M/RTX_CM_lib.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-rtos/rtx/TARGET_CORTEX_M/RTX_CM_lib.h Thu Apr 14 20:21:15 2022 +0000
@@ -0,0 +1,608 @@
+
+/** \addtogroup rtos */
+/** @{*/
+/*----------------------------------------------------------------------------
+ * CMSIS-RTOS - RTX
+ *----------------------------------------------------------------------------
+ * Name: RTX_CM_LIB.H
+ * Purpose: RTX Kernel System Configuration
+ * Rev.: V4.79
+ *----------------------------------------------------------------------------
+ *
+ * Copyright (c) 1999-2009 KEIL, 2009-2015 ARM Germany GmbH
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * - Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *---------------------------------------------------------------------------*/
+#include "mbed_error.h"
+
+#if defined (__CC_ARM)
+#include <rt_misc.h>
+#pragma O3
+#define __USED __attribute__((used))
+#elif defined (__GNUC__)
+#pragma GCC optimize ("O3")
+#define __USED __attribute__((used))
+#elif defined (__ICCARM__)
+#define __USED __root
+#endif
+
+
+/*----------------------------------------------------------------------------
+ * Definitions
+ *---------------------------------------------------------------------------*/
+
+#define _declare_box(pool,size,cnt) uint32_t pool[(((size)+3)/4)*(cnt) + 3]
+#define _declare_box8(pool,size,cnt) uint64_t pool[(((size)+7)/8)*(cnt) + 2]
+
+#define OS_TCB_SIZE 64
+#define OS_TMR_SIZE 8
+
+typedef void *OS_ID;
+typedef uint32_t OS_TID;
+typedef uint32_t OS_MUT[4];
+typedef uint32_t OS_RESULT;
+
+#if defined (__CC_ARM) && !defined (__MICROLIB)
+
+#define runtask_id() rt_tsk_self()
+#define mutex_init(m) rt_mut_init(m)
+#define mutex_wait(m) os_mut_wait(m,0xFFFFU)
+#define mutex_rel(m) os_mut_release(m)
+
+extern uint8_t os_running;
+extern OS_TID rt_tsk_self (void);
+extern void rt_mut_init (OS_ID mutex);
+extern OS_RESULT rt_mut_release (OS_ID mutex);
+extern OS_RESULT rt_mut_wait (OS_ID mutex, uint16_t timeout);
+
+#define os_mut_wait(mutex,timeout) _os_mut_wait((uint32_t)rt_mut_wait,mutex,timeout)
+#define os_mut_release(mutex) _os_mut_release((uint32_t)rt_mut_release,mutex)
+
+OS_RESULT _os_mut_release (uint32_t p, OS_ID mutex) __svc_indirect(0);
+OS_RESULT _os_mut_wait (uint32_t p, OS_ID mutex, uint16_t timeout) __svc_indirect(0);
+
+#endif
+
+
+/*----------------------------------------------------------------------------
+ * Global Variables
+ *---------------------------------------------------------------------------*/
+
+#if (OS_TASKCNT == 0)
+#error "Invalid number of concurrent running threads!"
+#endif
+
+#if (OS_PRIVCNT >= OS_TASKCNT)
+#error "Too many threads with user-provided stack size!"
+#endif
+
+#if (OS_TIMERS != 0)
+#define OS_TASK_CNT (OS_TASKCNT + 1)
+#ifndef __MBED_CMSIS_RTOS_CM
+#define OS_PRIV_CNT (OS_PRIVCNT + 2)
+#define OS_STACK_SZ (4*(OS_PRIVSTKSIZE+OS_MAINSTKSIZE+OS_TIMERSTKSZ))
+#endif
+#else
+#define OS_TASK_CNT OS_TASKCNT
+#ifndef __MBED_CMSIS_RTOS_CM
+#define OS_PRIV_CNT (OS_PRIVCNT + 1)
+#define OS_STACK_SZ (4*(OS_PRIVSTKSIZE+OS_MAINSTKSIZE))
+#endif
+#endif
+
+#ifndef OS_STKINIT
+#define OS_STKINIT 0
+#endif
+
+uint16_t const os_maxtaskrun = OS_TASK_CNT;
+#ifdef __MBED_CMSIS_RTOS_CM
+uint32_t const os_stackinfo = (OS_STKINIT<<28) | (OS_STKCHECK<<24) | (OS_IDLESTKSIZE*4);
+#else
+uint32_t const os_stackinfo = (OS_STKINIT<<28) | (OS_STKCHECK<<24) | (OS_PRIV_CNT<<16) | (OS_STKSIZE*4);
+#endif
+uint32_t const os_rrobin = (OS_ROBIN << 16) | OS_ROBINTOUT;
+uint32_t const os_tickfreq = OS_CLOCK;
+uint16_t const os_tickus_i = OS_CLOCK/1000000;
+uint16_t const os_tickus_f = (((uint64_t)(OS_CLOCK-1000000*(OS_CLOCK/1000000)))<<16)/1000000;
+uint32_t const os_trv = OS_TRV;
+#if defined(FEATURE_UVISOR) && defined(TARGET_UVISOR_SUPPORTED)
+uint8_t const os_flags = 0;
+#else /* defined(FEATURE_UVISOR) && defined(TARGET_UVISOR_SUPPORTED) */
+uint8_t const os_flags = OS_RUNPRIV;
+#endif /* defined(FEATURE_UVISOR) && defined(TARGET_UVISOR_SUPPORTED) */
+
+/* Export following defines to uVision debugger. */
+__USED uint32_t const CMSIS_RTOS_API_Version = osCMSIS;
+__USED uint32_t const CMSIS_RTOS_RTX_Version = osCMSIS_RTX;
+__USED uint32_t const os_clockrate = OS_TICK;
+__USED uint32_t const os_timernum = 0U;
+
+/* Memory pool for TCB allocation */
+_declare_box (mp_tcb, OS_TCB_SIZE, OS_TASK_CNT);
+uint16_t const mp_tcb_size = sizeof(mp_tcb);
+
+#ifdef __MBED_CMSIS_RTOS_CM
+/* Memory pool for os_idle_demon stack allocation. */
+_declare_box8 (mp_stk, OS_IDLESTKSIZE*4, 1);
+uint32_t const mp_stk_size = sizeof(mp_stk);
+#else
+/* Memory pool for System stack allocation (+os_idle_demon). */
+_declare_box8 (mp_stk, OS_STKSIZE*4, OS_TASK_CNT-OS_PRIV_CNT+1);
+uint32_t const mp_stk_size = sizeof(mp_stk);
+
+/* Memory pool for user specified stack allocation (+main, +timer) */
+uint64_t os_stack_mem[2+OS_PRIV_CNT+(OS_STACK_SZ/8)];
+uint32_t const os_stack_sz = sizeof(os_stack_mem);
+#endif
+
+#ifndef OS_FIFOSZ
+ #define OS_FIFOSZ 16
+#endif
+
+/* Fifo Queue buffer for ISR requests.*/
+uint32_t os_fifo[OS_FIFOSZ*2+1];
+uint8_t const os_fifo_size = OS_FIFOSZ;
+
+/* An array of Active task pointers. */
+void *os_active_TCB[OS_TASK_CNT];
+
+/* User Timers Resources */
+#if (OS_TIMERS != 0)
+extern void osTimerThread (void const *argument);
+#ifdef __MBED_CMSIS_RTOS_CM
+osThreadDef(osTimerThread, (osPriority)(OS_TIMERPRIO-3), 4*OS_TIMERSTKSZ);
+#else
+osThreadDef(osTimerThread, (osPriority)(OS_TIMERPRIO-3), 1, 4*OS_TIMERSTKSZ);
+#endif
+osThreadId osThreadId_osTimerThread;
+osMessageQDef(osTimerMessageQ, OS_TIMERCBQS, void *);
+osMessageQId osMessageQId_osTimerMessageQ;
+#else
+osThreadDef_t os_thread_def_osTimerThread = { NULL };
+osThreadId osThreadId_osTimerThread;
+osMessageQDef(osTimerMessageQ, 0U, void *);
+osMessageQId osMessageQId_osTimerMessageQ;
+#endif
+
+/* Legacy RTX User Timers not used */
+uint32_t os_tmr = 0U;
+uint32_t const *m_tmr = NULL;
+uint16_t const mp_tmr_size = 0U;
+
+/* singleton mutex */
+osMutexId singleton_mutex_id;
+osMutexDef(singleton_mutex);
+
+#if defined (__CC_ARM) && !defined (__MICROLIB)
+ /* A memory space for arm standard library. */
+ static uint32_t std_libspace[OS_TASK_CNT][96/4];
+ static OS_MUT std_libmutex[OS_MUTEXCNT];
+ static uint32_t nr_mutex;
+ extern void *__libspace_start;
+#endif
+
+#if defined (__ICCARM__)
+static osMutexId std_mutex_id_sys[_MAX_LOCK] = {0};
+static OS_MUT std_mutex_sys[_MAX_LOCK] = {0};
+#define _FOPEN_MAX 10
+static osMutexId std_mutex_id_file[_FOPEN_MAX] = {0};
+static OS_MUT std_mutex_file[_FOPEN_MAX] = {0};
+void __iar_system_Mtxinit(__iar_Rmtx *mutex) /* Initialize a system lock */
+{
+ osMutexDef_t def;
+ uint32_t index;
+ for (index = 0; index < _MAX_LOCK; index++) {
+ if (0 == std_mutex_id_sys[index]) {
+ def.mutex = &std_mutex_sys[index];
+ std_mutex_id_sys[index] = osMutexCreate(&def);
+ *mutex = (__iar_Rmtx*)&std_mutex_id_sys[index];
+ return;
+ }
+ }
+ // This should never happen
+ error("Not enough mutexes\n");
+}
+
+void __iar_system_Mtxdst(__iar_Rmtx *mutex)/*Destroy a system lock */
+{
+ osMutexDelete(*(osMutexId*)*mutex);
+ *mutex = 0;
+}
+
+void __iar_system_Mtxlock(__iar_Rmtx *mutex) /* Lock a system lock */
+{
+ osMutexWait(*(osMutexId*)*mutex, osWaitForever);
+}
+
+void __iar_system_Mtxunlock(__iar_Rmtx *mutex) /* Unlock a system lock */
+{
+ osMutexRelease(*(osMutexId*)*mutex);
+}
+
+void __iar_file_Mtxinit(__iar_Rmtx *mutex)/*Initialize a file lock */
+{
+ osMutexDef_t def;
+ uint32_t index;
+ for (index = 0; index < _FOPEN_MAX; index++) {
+ if (0 == std_mutex_id_file[index]) {
+ def.mutex = &std_mutex_file[index];
+ std_mutex_id_file[index] = osMutexCreate(&def);
+ *mutex = (__iar_Rmtx*)&std_mutex_id_file[index];
+ return;
+ }
+ }
+ // The variable _FOPEN_MAX needs to be increased
+ error("Not enough mutexes\n");
+}
+
+void __iar_file_Mtxdst(__iar_Rmtx *mutex) /* Destroy a file lock */
+{
+ osMutexDelete(*(osMutexId*)*mutex);
+ *mutex = 0;
+}
+
+void __iar_file_Mtxlock(__iar_Rmtx *mutex) /* Lock a file lock */
+{
+ osMutexWait(*(osMutexId*)*mutex, osWaitForever);
+}
+
+void __iar_file_Mtxunlock(__iar_Rmtx *mutex) /* Unlock a file lock */
+{
+ osMutexRelease(*(osMutexId*)*mutex);
+}
+
+#endif
+
+/*----------------------------------------------------------------------------
+ * RTX Optimizations (empty functions)
+ *---------------------------------------------------------------------------*/
+
+#if OS_ROBIN == 0
+ void rt_init_robin (void) {;}
+ void rt_chk_robin (void) {;}
+#endif
+
+#if OS_STKCHECK == 0
+ void rt_stk_check (void) {;}
+#endif
+
+
+/*----------------------------------------------------------------------------
+ * Standard Library multithreading interface
+ *---------------------------------------------------------------------------*/
+
+#if defined (__CC_ARM) && !defined (__MICROLIB)
+
+/*--------------------------- __user_perthread_libspace ---------------------*/
+
+void *__user_perthread_libspace (void) {
+ /* Provide a separate libspace for each task. */
+ uint32_t idx;
+
+ idx = (os_running != 0U) ? runtask_id () : 0U;
+ if (idx == 0U) {
+ /* RTX not running yet. */
+ return (&__libspace_start);
+ }
+ return ((void *)&std_libspace[idx-1]);
+}
+
+/*--------------------------- _mutex_initialize -----------------------------*/
+
+int _mutex_initialize (OS_ID *mutex) {
+ /* Allocate and initialize a system mutex. */
+
+ if (nr_mutex >= OS_MUTEXCNT) {
+ /* If you are here, you need to increase the number OS_MUTEXCNT. */
+ error("Not enough stdlib mutexes\n");
+ }
+ *mutex = &std_libmutex[nr_mutex++];
+ mutex_init (*mutex);
+ return (1);
+}
+
+
+/*--------------------------- _mutex_acquire --------------------------------*/
+
+__attribute__((used)) void _mutex_acquire (OS_ID *mutex) {
+ /* Acquire a system mutex, lock stdlib resources. */
+ if (os_running) {
+ /* RTX running, acquire a mutex. */
+ mutex_wait (*mutex);
+ }
+}
+
+
+/*--------------------------- _mutex_release --------------------------------*/
+
+__attribute__((used)) void _mutex_release (OS_ID *mutex) {
+ /* Release a system mutex, unlock stdlib resources. */
+ if (os_running) {
+ /* RTX running, release a mutex. */
+ mutex_rel (*mutex);
+ }
+}
+
+#endif
+
+
+/*----------------------------------------------------------------------------
+ * RTX Startup
+ *---------------------------------------------------------------------------*/
+
+/* Main Thread definition */
+extern void pre_main (void);
+osThreadDef_t os_thread_def_main = {(os_pthread)pre_main, osPriorityNormal, 1U, 0U, NULL};
+
+#ifdef __CC_ARM
+#if defined(TARGET_NUMAKER_PFM_NUC472)
+extern uint32_t Image$$ARM_LIB_HEAP$$Base[];
+#define HEAP_START ((uint32_t) Image$$ARM_LIB_HEAP$$Base)
+#else
+extern uint32_t Image$$RW_IRAM1$$ZI$$Limit[];
+#define HEAP_START (Image$$RW_IRAM1$$ZI$$Limit)
+#endif
+#elif defined(__GNUC__)
+extern uint32_t __end__[];
+#define HEAP_START (__end__)
+#elif defined(__ICCARM__)
+#pragma section="HEAP"
+#define HEAP_END (void *)__section_end("HEAP")
+#endif
+
+void set_main_stack(void) {
+#if defined(TARGET_NUMAKER_PFM_NUC472)
+ // Scheduler stack: OS_MAINSTKSIZE words
+ // Main thread stack: Reserved stack size - OS_MAINSTKSIZE words
+ os_thread_def_main.stack_pointer = (uint32_t *) FINAL_SP;
+ os_thread_def_main.stacksize = (uint32_t) INITIAL_SP - (uint32_t) FINAL_SP - OS_MAINSTKSIZE * 4;
+#else
+#if defined(__ICCARM__)
+ /* For IAR heap is defined .icf file */
+ uint32_t main_stack_size = ((uint32_t)INITIAL_SP - (uint32_t)HEAP_END) - interrupt_stack_size;
+#else
+ /* For ARM , uARM, or GCC_ARM , heap can grow and reach main stack */
+#endif
+ // That is the bottom of the main stack block: no collision detection
+ os_thread_def_main.stack_pointer = HEAP_START;
+
+ // Leave OS_MAINSTKSIZE words for the scheduler and interrupts
+ os_thread_def_main.stacksize = (INITIAL_SP - (unsigned int)HEAP_START) - (OS_MAINSTKSIZE * 4);
+#endif
+}
+
+#if defined (__CC_ARM)
+
+#ifdef __MICROLIB
+
+int main(void);
+void _main_init (void) __attribute__((section(".ARM.Collect$$$$000000FF")));
+void $Super$$__cpp_initialize__aeabi_(void);
+
+void _main_init (void) {
+ osKernelInitialize();
+#ifdef __MBED_CMSIS_RTOS_CM
+ set_main_stack();
+#endif
+ osThreadCreate(&os_thread_def_main, NULL);
+ osKernelStart();
+ for (;;);
+}
+
+void $Sub$$__cpp_initialize__aeabi_(void)
+{
+ // this should invoke C++ initializers prior _main_init, we keep this empty and
+ // invoke them after _main_init (=starts RTX kernel)
+}
+
+void pre_main()
+{
+ singleton_mutex_id = osMutexCreate(osMutex(singleton_mutex));
+ $Super$$__cpp_initialize__aeabi_();
+ main();
+}
+
+#else
+
+void * armcc_heap_base;
+void * armcc_heap_top;
+
+int main(void);
+
+void pre_main (void)
+{
+ singleton_mutex_id = osMutexCreate(osMutex(singleton_mutex));
+ __rt_lib_init((unsigned)armcc_heap_base, (unsigned)armcc_heap_top);
+ main();
+}
+
+/* The single memory model is checking for stack collision at run time, verifing
+ that the heap pointer is underneath the stack pointer.
+
+ With the RTOS there is not only one stack above the heap, there are multiple
+ stacks and some of them are underneath the heap pointer.
+*/
+#pragma import(__use_two_region_memory)
+
+__asm void __rt_entry (void) {
+
+ IMPORT __user_setup_stackheap
+ IMPORT armcc_heap_base
+ IMPORT armcc_heap_top
+ IMPORT _platform_post_stackheap_init
+ IMPORT os_thread_def_main
+ IMPORT osKernelInitialize
+#ifdef __MBED_CMSIS_RTOS_CM
+ IMPORT set_main_stack
+#endif
+ IMPORT osKernelStart
+ IMPORT osThreadCreate
+
+ /* __user_setup_stackheap returns:
+ * - Heap base in r0 (if the program uses the heap).
+ * - Stack base in sp.
+ * - Heap limit in r2 (if the program uses the heap and uses two-region memory).
+ *
+ * More info can be found in:
+ * ARM Compiler ARM C and C++ Libraries and Floating-Point Support User Guide
+ */
+ BL __user_setup_stackheap
+ LDR R3,=armcc_heap_base
+ LDR R4,=armcc_heap_top
+ STR R0,[R3]
+ STR R2,[R4]
+ BL _platform_post_stackheap_init
+ BL osKernelInitialize
+#ifdef __MBED_CMSIS_RTOS_CM
+ BL set_main_stack
+#endif
+ LDR R0,=os_thread_def_main
+ MOVS R1,#0
+ BL osThreadCreate
+ BL osKernelStart
+ /* osKernelStart should not return */
+ B .
+
+ ALIGN
+}
+
+#endif
+
+#elif defined (__GNUC__)
+
+osMutexDef(malloc_mutex);
+static osMutexId malloc_mutex_id;
+osMutexDef(env_mutex);
+static osMutexId env_mutex_id;
+
+extern int atexit(void (*func)(void));
+extern void __libc_fini_array(void);
+extern void __libc_init_array (void);
+extern int main(int argc, char **argv);
+
+void pre_main(void) {
+ singleton_mutex_id = osMutexCreate(osMutex(singleton_mutex));
+ malloc_mutex_id = osMutexCreate(osMutex(malloc_mutex));
+ env_mutex_id = osMutexCreate(osMutex(env_mutex));
+ __libc_init_array();
+ main(0, NULL);
+}
+
+__attribute__((naked)) void software_init_hook_rtos (void) {
+ __asm (
+ "bl osKernelInitialize\n"
+#ifdef __MBED_CMSIS_RTOS_CM
+ "bl set_main_stack\n"
+#endif
+ "ldr r0,=os_thread_def_main\n"
+ "movs r1,#0\n"
+ "bl osThreadCreate\n"
+ "bl osKernelStart\n"
+ /* osKernelStart should not return */
+ "B .\n"
+ );
+}
+
+// Opaque declaration of _reent structure
+struct _reent;
+
+void __rtos_malloc_lock( struct _reent *_r )
+{
+ osMutexWait(malloc_mutex_id, osWaitForever);
+}
+
+void __rtos_malloc_unlock( struct _reent *_r )
+{
+ osMutexRelease(malloc_mutex_id);
+}
+
+void __rtos_env_lock( struct _reent *_r )
+{
+ osMutexWait(env_mutex_id, osWaitForever);
+}
+
+void __rtos_env_unlock( struct _reent *_r )
+{
+ osMutexRelease(env_mutex_id);
+}
+
+#elif defined (__ICCARM__)
+
+extern void* __vector_table;
+extern int __low_level_init(void);
+extern void __iar_data_init3(void);
+extern __weak void __iar_init_core( void );
+extern __weak void __iar_init_vfp( void );
+extern void __iar_dynamic_initialization(void);
+extern void mbed_sdk_init(void);
+extern void mbed_main(void);
+extern int main(void);
+extern void exit(int arg);
+
+static uint8_t low_level_init_needed;
+
+void pre_main(void) {
+ singleton_mutex_id = osMutexCreate(osMutex(singleton_mutex));
+ if (low_level_init_needed) {
+ __iar_dynamic_initialization();
+ }
+ mbed_main();
+ main();
+}
+
+#pragma required=__vector_table
+void __iar_program_start( void )
+{
+#ifdef __MBED_CMSIS_RTOS_CM
+ __iar_init_core();
+ __iar_init_vfp();
+
+ uint8_t low_level_init_needed_local;
+
+ low_level_init_needed_local = __low_level_init();
+ if (low_level_init_needed_local) {
+ __iar_data_init3();
+ mbed_sdk_init();
+ }
+ /* Store in a global variable after RAM has been initialized */
+ low_level_init_needed = low_level_init_needed_local;
+#endif
+ osKernelInitialize();
+#ifdef __MBED_CMSIS_RTOS_CM
+ set_main_stack();
+#endif
+ osThreadCreate(&os_thread_def_main, NULL);
+ osKernelStart();
+ /* osKernelStart should not return */
+ while (1);
+}
+
+#endif
+
+
+/*----------------------------------------------------------------------------
+ * end of file
+ *---------------------------------------------------------------------------*/
+
+/** @}*/
diff -r 000000000000 -r fc74113aca28 mbed-rtos/rtx/TARGET_CORTEX_M/RTX_Conf_CM.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-rtos/rtx/TARGET_CORTEX_M/RTX_Conf_CM.c Thu Apr 14 20:21:15 2022 +0000
@@ -0,0 +1,281 @@
+/*----------------------------------------------------------------------------
+ * CMSIS-RTOS - RTX
+ *----------------------------------------------------------------------------
+ * Name: RTX_Conf_CM.C
+ * Purpose: Configuration of CMSIS RTX Kernel for Cortex-M
+ * Rev.: V4.70.1
+ *----------------------------------------------------------------------------
+ *
+ * Copyright (c) 1999-2009 KEIL, 2009-2015 ARM Germany GmbH
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * - Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *---------------------------------------------------------------------------*/
+
+#include "cmsis_os.h"
+
+
+/*----------------------------------------------------------------------------
+ * RTX User configuration part BEGIN
+ *---------------------------------------------------------------------------*/
+
+// Include per-target RTX config file
+#include "mbed_rtx4.h"
+
+//-------- <<< Use Configuration Wizard in Context Menu >>> -----------------
+//
+// <h>Thread Configuration
+// =======================
+//
+// <o>Number of concurrent running user threads <1-250>
+// <i> Defines max. number of user threads that will run at the same time.
+// <i> Default: 6
+#ifndef OS_TASKCNT
+ #error "no target defined"
+#endif
+
+#ifdef __MBED_CMSIS_RTOS_CM
+// <o>Idle stack size [bytes] <64-4096:8><#/4>
+// <i> Defines default stack size for the Idle thread.
+#ifndef OS_IDLESTKSIZE
+ #define OS_IDLESTKSIZE 128
+#endif
+#else // __MBED_CMSIS_RTOS_CM
+// <o>Default Thread stack size [bytes] <64-4096:8><#/4>
+// <i> Defines default stack size for threads with osThreadDef stacksz = 0
+// <i> Default: 200
+#ifndef OS_STKSIZE
+ #define OS_STKSIZE 200
+#endif
+#endif // __MBED_CMSIS_RTOS_CM
+
+// <o>Main Thread stack size [bytes] <64-32768:8><#/4>
+#ifndef OS_MAINSTKSIZE
+ #error "no target defined"
+#endif
+
+#ifndef __MBED_CMSIS_RTOS_CM
+// <o>Number of threads with user-provided stack size <0-250>
+// <i> Defines the number of threads with user-provided stack size.
+// <i> Default: 0
+#ifndef OS_PRIVCNT
+ #define OS_PRIVCNT 0
+#endif
+
+// <o>Total stack size [bytes] for threads with user-provided stack size <0-1048576:8><#/4>
+// <i> Defines the combined stack size for threads with user-provided stack size.
+// <i> Default: 0
+#ifndef OS_PRIVSTKSIZE
+ #define OS_PRIVSTKSIZE 0 // this stack size value is in words
+#endif
+#endif // __MBED_CMSIS_RTOS_CM
+
+// <q>Stack overflow checking
+// <i> Enable stack overflow checks at thread switch.
+// <i> Enabling this option increases slightly the execution time of a thread switch.
+#ifndef OS_STKCHECK
+ #define OS_STKCHECK 1
+#endif
+
+// <q>Stack usage watermark
+// <i> Initialize thread stack with watermark pattern for analyzing stack usage (current/maximum) in System and Thread Viewer.
+// <i> Enabling this option increases significantly the execution time of osThreadCreate.
+#ifndef OS_STKINIT
+ #if (defined(MBED_STACK_STATS_ENABLED) && MBED_STACK_STATS_ENABLED)
+ #define OS_STKINIT 1
+ #else
+ #define OS_STKINIT 0
+ #endif
+#endif
+
+// <o>Processor mode for thread execution
+// <0=> Unprivileged mode
+// <1=> Privileged mode
+// <i> Default: Privileged mode
+#ifndef OS_RUNPRIV
+ #define OS_RUNPRIV 1
+#endif
+
+// </h>
+
+// <h>RTX Kernel Timer Tick Configuration
+// ======================================
+// <q> Use Cortex-M SysTick timer as RTX Kernel Timer
+// <i> Cortex-M processors provide in most cases a SysTick timer that can be used as
+// <i> as time-base for RTX.
+#ifndef OS_SYSTICK
+ #define OS_SYSTICK 1
+#endif
+//
+// <o>RTOS Kernel Timer input clock frequency [Hz] <1-1000000000>
+// <i> Defines the input frequency of the RTOS Kernel Timer.
+// <i> When the Cortex-M SysTick timer is used, the input clock
+// <i> is on most systems identical with the core clock.
+#ifndef OS_CLOCK
+ #error "no target defined"
+#endif
+
+// <o>RTX Timer tick interval value [us] <1-1000000>
+// <i> The RTX Timer tick interval value is used to calculate timeout values.
+// <i> When the Cortex-M SysTick timer is enabled, the value also configures the SysTick timer.
+// <i> Default: 1000 (1ms)
+#ifndef OS_TICK
+ #define OS_TICK 1000
+#endif
+
+// </h>
+
+// <h>System Configuration
+// =======================
+//
+// <e>Round-Robin Thread switching
+// ===============================
+//
+// <i> Enables Round-Robin Thread switching.
+#ifndef OS_ROBIN
+ #define OS_ROBIN 1
+#endif
+
+// <o>Round-Robin Timeout [ticks] <1-1000>
+// <i> Defines how long a thread will execute before a thread switch.
+// <i> Default: 5
+#ifndef OS_ROBINTOUT
+ #define OS_ROBINTOUT 5
+#endif
+
+// </e>
+
+// <e>User Timers
+// ==============
+// <i> Enables user Timers
+#ifndef OS_TIMERS
+ #define OS_TIMERS 1
+#endif
+
+// <o>Timer Thread Priority
+// <1=> Low
+// <2=> Below Normal <3=> Normal <4=> Above Normal
+// <5=> High
+// <6=> Realtime (highest)
+// <i> Defines priority for Timer Thread
+// <i> Default: High
+#ifndef OS_TIMERPRIO
+ #define OS_TIMERPRIO 5
+#endif
+
+// <o>Timer Thread stack size [bytes] <64-4096:8><#/4>
+// <i> Defines stack size for Timer thread.
+// <i> Default: 200
+#ifndef OS_TIMERSTKSZ
+ #define OS_TIMERSTKSZ 200
+#endif
+
+// <o>Timer Callback Queue size <1-32>
+// <i> Number of concurrent active timer callback functions.
+// <i> Default: 4
+#ifndef OS_TIMERCBQS
+ #define OS_TIMERCBQS 4
+#endif
+
+// </e>
+
+// <o>ISR FIFO Queue size<4=> 4 entries <8=> 8 entries
+// <12=> 12 entries <16=> 16 entries
+// <24=> 24 entries <32=> 32 entries
+// <48=> 48 entries <64=> 64 entries
+// <96=> 96 entries
+// <i> ISR functions store requests to this buffer,
+// <i> when they are called from the interrupt handler.
+// <i> Default: 16 entries
+#ifndef OS_FIFOSZ
+ #define OS_FIFOSZ 16
+#endif
+
+// </h>
+
+//------------- <<< end of configuration section >>> -----------------------
+
+// Standard library system mutexes
+// ===============================
+// Define max. number system mutexes that are used to protect
+// the arm standard runtime library. For microlib they are not used.
+#ifndef OS_MUTEXCNT
+ #define OS_MUTEXCNT 12
+#endif
+
+/*----------------------------------------------------------------------------
+ * RTX User configuration part END
+ *---------------------------------------------------------------------------*/
+
+#define OS_TRV ((uint32_t)(((double)OS_CLOCK*(double)OS_TICK)/1E6)-1)
+
+
+/*----------------------------------------------------------------------------
+ * OS Idle daemon
+ *---------------------------------------------------------------------------*/
+extern void rtos_idle_loop(void);
+
+void os_idle_demon (void) {
+ /* The idle demon is a system thread, running when no other thread is */
+ /* ready to run. */
+ rtos_idle_loop();
+}
+
+/*----------------------------------------------------------------------------
+ * RTX Errors
+ *---------------------------------------------------------------------------*/
+extern void error(const char* format, ...);
+extern osThreadId svcThreadGetId (void);
+
+void os_error (uint32_t err_code) {
+ /* This function is called when a runtime error is detected. Parameter */
+ /* 'err_code' holds the runtime error code (defined in RTX_Config.h). */
+ osThreadId err_task = svcThreadGetId();
+ error("RTX error code: 0x%08X, task ID: 0x%08X\n", err_code, err_task);
+}
+
+void sysThreadError(osStatus status) {
+ if (status != osOK) {
+ osThreadId err_task = svcThreadGetId();
+ error("CMSIS-RTOS error status: 0x%08X, task ID: 0x%08X\n", status, err_task);
+ }
+}
+
+/*----------------------------------------------------------------------------
+ * RTX Hooks
+ *---------------------------------------------------------------------------*/
+extern void thread_terminate_hook(osThreadId id);
+
+void sysThreadTerminate(osThreadId id) {
+ thread_terminate_hook(id);
+}
+
+/*----------------------------------------------------------------------------
+ * RTX Configuration Functions
+ *---------------------------------------------------------------------------*/
+
+#include "RTX_CM_lib.h"
+
+/*----------------------------------------------------------------------------
+ * end of file
+ *---------------------------------------------------------------------------*/
diff -r 000000000000 -r fc74113aca28 mbed-rtos/rtx/TARGET_CORTEX_M/RTX_Config.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-rtos/rtx/TARGET_CORTEX_M/RTX_Config.h Thu Apr 14 20:21:15 2022 +0000
@@ -0,0 +1,84 @@
+
+/** \addtogroup rtos */
+/** @{*/
+/*----------------------------------------------------------------------------
+ * CMSIS-RTOS - RTX
+ *----------------------------------------------------------------------------
+ * Name: RTX_CONFIG.H
+ * Purpose: Exported functions of RTX_Config.c
+ * Rev.: V4.79
+ *----------------------------------------------------------------------------
+ *
+ * Copyright (c) 1999-2009 KEIL, 2009-2015 ARM Germany GmbH
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * - Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *---------------------------------------------------------------------------*/
+
+
+/* Error Codes */
+#define OS_ERR_STK_OVF 1U
+#define OS_ERR_FIFO_OVF 2U
+#define OS_ERR_MBX_OVF 3U
+#define OS_ERR_TIMER_OVF 4U
+
+/* Definitions */
+#define BOX_ALIGN_8 0x80000000U
+#define _declare_box(pool,size,cnt) U32 pool[(((size)+3)/4)*(cnt) + 3]
+#define _declare_box8(pool,size,cnt) U64 pool[(((size)+7)/8)*(cnt) + 2]
+#define _init_box8(pool,size,bsize) _init_box (pool,size,(bsize) | BOX_ALIGN_8)
+
+/* Variables */
+extern U32 mp_tcb[];
+extern U64 mp_stk[];
+extern U32 os_fifo[];
+extern void *os_active_TCB[];
+
+/* Constants */
+extern U16 const os_maxtaskrun;
+extern U32 const os_trv;
+extern U8 const os_flags;
+extern U32 const os_stackinfo;
+extern U32 const os_rrobin;
+extern U32 const os_clockrate;
+extern U32 const os_timernum;
+extern U16 const mp_tcb_size;
+extern U32 const mp_stk_size;
+extern U32 const *m_tmr;
+extern U16 const mp_tmr_size;
+extern U8 const os_fifo_size;
+
+/* Functions */
+extern void os_idle_demon (void);
+extern S32 os_tick_init (void);
+extern U32 os_tick_val (void);
+extern U32 os_tick_ovf (void);
+extern void os_tick_irqack (void);
+extern void os_tmr_call (U16 info);
+extern void os_error (U32 err_code);
+
+/*----------------------------------------------------------------------------
+ * end of file
+ *---------------------------------------------------------------------------*/
+
+/** @}*/
diff -r 000000000000 -r fc74113aca28 mbed-rtos/rtx/TARGET_CORTEX_M/TARGET_M3/TOOLCHAIN_ARM/HAL_CM3.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-rtos/rtx/TARGET_CORTEX_M/TARGET_M3/TOOLCHAIN_ARM/HAL_CM3.c Thu Apr 14 20:21:15 2022 +0000
@@ -0,0 +1,274 @@
+/*----------------------------------------------------------------------------
+ * CMSIS-RTOS - RTX
+ *----------------------------------------------------------------------------
+ * Name: HAL_CM3.C
+ * Purpose: Hardware Abstraction Layer for Cortex-M3
+ * Rev.: V4.70
+ *----------------------------------------------------------------------------
+ *
+ * Copyright (c) 1999-2009 KEIL, 2009-2013 ARM Germany GmbH
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * - Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *---------------------------------------------------------------------------*/
+
+#include "rt_TypeDef.h"
+#include "RTX_Config.h"
+#include "rt_System.h"
+#include "rt_HAL_CM.h"
+#include "rt_Task.h"
+#include "rt_MemBox.h"
+
+
+/*----------------------------------------------------------------------------
+ * Functions
+ *---------------------------------------------------------------------------*/
+
+
+/*--------------------------- rt_set_PSP ------------------------------------*/
+
+__asm void rt_set_PSP (U32 stack) {
+ MSR PSP,R0
+ BX LR
+}
+
+
+/*--------------------------- rt_get_PSP ------------------------------------*/
+
+__asm U32 rt_get_PSP (void) {
+ MRS R0,PSP
+ BX LR
+}
+
+
+/*--------------------------- os_set_env ------------------------------------*/
+
+__asm void os_set_env (void) {
+ /* Switch to Unprivileged/Privileged Thread mode, use PSP. */
+ MOV R0,SP ; PSP = MSP
+ MSR PSP,R0
+ LDR R0,=__cpp(&os_flags)
+ LDRB R0,[R0]
+ LSLS R0,#31
+ MOVNE R0,#0x02 ; Privileged Thread mode, use PSP
+ MOVEQ R0,#0x03 ; Unprivileged Thread mode, use PSP
+ MSR CONTROL,R0
+ BX LR
+
+ ALIGN
+}
+
+
+/*--------------------------- _alloc_box ------------------------------------*/
+
+__asm void *_alloc_box (void *box_mem) {
+ /* Function wrapper for Unprivileged/Privileged mode. */
+ LDR R12,=__cpp(rt_alloc_box)
+ MRS R3,IPSR
+ LSLS R3,#24
+ BXNE R12
+ MRS R3,CONTROL
+ LSLS R3,#31
+ BXEQ R12
+ SVC 0
+ BX LR
+
+ ALIGN
+}
+
+
+/*--------------------------- _free_box -------------------------------------*/
+
+__asm U32 _free_box (void *box_mem, void *box) {
+ /* Function wrapper for Unprivileged/Privileged mode. */
+ LDR R12,=__cpp(rt_free_box)
+ MRS R3,IPSR
+ LSLS R3,#24
+ BXNE R12
+ MRS R3,CONTROL
+ LSLS R3,#31
+ BXEQ R12
+ SVC 0
+ BX LR
+
+ ALIGN
+}
+
+
+/*-------------------------- SVC_Handler ------------------------------------*/
+
+__asm void SVC_Handler (void) {
+ PRESERVE8
+
+ IMPORT SVC_Count
+ IMPORT SVC_Table
+ IMPORT rt_stk_check
+
+#ifdef IFX_XMC4XXX
+ EXPORT SVC_Handler_Veneer
+SVC_Handler_Veneer
+#endif
+
+ MRS R0,PSP ; Read PSP
+ LDR R1,[R0,#24] ; Read Saved PC from Stack
+ LDRB R1,[R1,#-2] ; Load SVC Number
+ CBNZ R1,SVC_User
+
+ LDM R0,{R0-R3,R12} ; Read R0-R3,R12 from stack
+ BLX R12 ; Call SVC Function
+
+ MRS R12,PSP ; Read PSP
+ STM R12,{R0-R2} ; Store return values
+
+ LDR R3,=__cpp(&os_tsk)
+ LDM R3,{R1,R2} ; os_tsk.run, os_tsk.new
+ CMP R1,R2
+ BEQ SVC_Exit ; no task switch
+
+ CBZ R1,SVC_Next ; Runtask deleted?
+ STMDB R12!,{R4-R11} ; Save Old context
+ STR R12,[R1,#TCB_TSTACK] ; Update os_tsk.run->tsk_stack
+
+ PUSH {R2,R3}
+ BL rt_stk_check ; Check for Stack overflow
+ POP {R2,R3}
+
+SVC_Next
+ STR R2,[R3] ; os_tsk.run = os_tsk.new
+
+ LDR R12,[R2,#TCB_TSTACK] ; os_tsk.new->tsk_stack
+ LDMIA R12!,{R4-R11} ; Restore New Context
+ MSR PSP,R12 ; Write PSP
+
+SVC_Exit
+ MVN LR,#:NOT:0xFFFFFFFD ; set EXC_RETURN value
+#ifdef IFX_XMC4XXX
+ PUSH {LR}
+ POP {PC}
+#else
+ BX LR
+#endif
+
+ /*------------------- User SVC ------------------------------*/
+
+SVC_User
+ PUSH {R4,LR} ; Save Registers
+ LDR R2,=SVC_Count
+ LDR R2,[R2]
+ CMP R1,R2
+ BHI SVC_Done ; Overflow
+
+ LDR R4,=SVC_Table-4
+ LDR R4,[R4,R1,LSL #2] ; Load SVC Function Address
+
+ LDM R0,{R0-R3,R12} ; Read R0-R3,R12 from stack
+ BLX R4 ; Call SVC Function
+
+ MRS R12,PSP
+ STM R12,{R0-R3} ; Function return values
+SVC_Done
+ POP {R4,PC} ; RETI
+
+ ALIGN
+}
+
+
+/*-------------------------- PendSV_Handler ---------------------------------*/
+
+__asm void PendSV_Handler (void) {
+ PRESERVE8
+
+#ifdef IFX_XMC4XXX
+ EXPORT PendSV_Handler_Veneer
+PendSV_Handler_Veneer
+#endif
+
+ BL __cpp(rt_pop_req)
+
+Sys_Switch
+ LDR R3,=__cpp(&os_tsk)
+ LDM R3,{R1,R2} ; os_tsk.run, os_tsk.new
+ CMP R1,R2
+ BEQ Sys_Exit
+
+ MRS R12,PSP ; Read PSP
+ STMDB R12!,{R4-R11} ; Save Old context
+ STR R12,[R1,#TCB_TSTACK] ; Update os_tsk.run->tsk_stack
+
+ PUSH {R2,R3}
+ BL rt_stk_check ; Check for Stack overflow
+ POP {R2,R3}
+
+ STR R2,[R3] ; os_tsk.run = os_tsk.new
+
+ LDR R12,[R2,#TCB_TSTACK] ; os_tsk.new->tsk_stack
+ LDMIA R12!,{R4-R11} ; Restore New Context
+ MSR PSP,R12 ; Write PSP
+
+Sys_Exit
+ MVN LR,#:NOT:0xFFFFFFFD ; set EXC_RETURN value
+#ifdef IFX_XMC4XXX
+ PUSH {LR}
+ POP {PC}
+#else
+ BX LR ; Return to Thread Mode
+#endif
+
+ ALIGN
+}
+
+
+/*-------------------------- SysTick_Handler --------------------------------*/
+
+__asm void SysTick_Handler (void) {
+ PRESERVE8
+
+#ifdef IFX_XMC4XXX
+ EXPORT SysTick_Handler_Veneer
+SysTick_Handler_Veneer
+#endif
+
+ BL __cpp(rt_systick)
+ B Sys_Switch
+
+ ALIGN
+}
+
+
+/*-------------------------- OS_Tick_Handler --------------------------------*/
+
+__asm void OS_Tick_Handler (void) {
+ PRESERVE8
+
+ BL __cpp(os_tick_irqack)
+ BL __cpp(rt_systick)
+ B Sys_Switch
+
+ ALIGN
+}
+
+
+/*----------------------------------------------------------------------------
+ * end of file
+ *---------------------------------------------------------------------------*/
+
diff -r 000000000000 -r fc74113aca28 mbed-rtos/rtx/TARGET_CORTEX_M/TARGET_M3/TOOLCHAIN_ARM/SVC_Table.S --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed-rtos/rtx/TARGET_CORTEX_M/TARGET_M3/TOOLCHAIN_ARM/SVC_Table.S Thu Apr 14 20:21:15 2022 +0000 @@ -0,0 +1,57 @@ +;/*---------------------------------------------------------------------------- +; * CMSIS-RTOS - RTX +; *---------------------------------------------------------------------------- +; * Name: SVC_TABLE.S +; * Purpose: Pre-defined SVC Table for Cortex-M +; * Rev.: V4.70 +; *---------------------------------------------------------------------------- +; * +; * Copyright (c) 1999-2009 KEIL, 2009-2013 ARM Germany GmbH +; * All rights reserved. +; * Redistribution and use in source and binary forms, with or without +; * modification, are permitted provided that the following conditions are met: +; * - Redistributions of source code must retain the above copyright +; * notice, this list of conditions and the following disclaimer. +; * - Redistributions in binary form must reproduce the above copyright +; * notice, this list of conditions and the following disclaimer in the +; * documentation and/or other materials provided with the distribution. +; * - Neither the name of ARM nor the names of its contributors may be used +; * to endorse or promote products derived from this software without +; * specific prior written permission. +; * +; * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" +; * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +; * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +; * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE +; * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR +; * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF +; * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS +; * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN +; * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) +; * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE +; * POSSIBILITY OF SUCH DAMAGE. +; *---------------------------------------------------------------------------*/ + + + AREA SVC_TABLE, CODE, READONLY + + EXPORT SVC_Count + +SVC_Cnt EQU (SVC_End-SVC_Table)/4 +SVC_Count DCD SVC_Cnt + +; Import user SVC functions here. +; IMPORT __SVC_1 + + EXPORT SVC_Table +SVC_Table +; Insert user SVC functions here. SVC 0 used by RTL Kernel. +; DCD __SVC_1 ; user SVC function + +SVC_End + + END + +/*---------------------------------------------------------------------------- + * end of file + *---------------------------------------------------------------------------*/
diff -r 000000000000 -r fc74113aca28 mbed-rtos/rtx/TARGET_CORTEX_M/cmsis_os.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-rtos/rtx/TARGET_CORTEX_M/cmsis_os.h Thu Apr 14 20:21:15 2022 +0000
@@ -0,0 +1,749 @@
+
+/** \addtogroup rtos */
+/** @{*/
+/* ----------------------------------------------------------------------
+ * $Date: 5. February 2013
+ * $Revision: V1.02
+ *
+ * Project: CMSIS-RTOS API
+ * Title: cmsis_os.h RTX header file
+ *
+ * Version 0.02
+ * Initial Proposal Phase
+ * Version 0.03
+ * osKernelStart added, optional feature: main started as thread
+ * osSemaphores have standard behavior
+ * osTimerCreate does not start the timer, added osTimerStart
+ * osThreadPass is renamed to osThreadYield
+ * Version 1.01
+ * Support for C++ interface
+ * - const attribute removed from the osXxxxDef_t typedef's
+ * - const attribute added to the osXxxxDef macros
+ * Added: osTimerDelete, osMutexDelete, osSemaphoreDelete
+ * Added: osKernelInitialize
+ * Version 1.02
+ * Control functions for short timeouts in microsecond resolution:
+ * Added: osKernelSysTick, osKernelSysTickFrequency, osKernelSysTickMicroSec
+ * Removed: osSignalGet
+ *----------------------------------------------------------------------------
+ *
+ * Copyright (c) 2013 ARM LIMITED
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * - Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *---------------------------------------------------------------------------*/
+
+
+#ifndef _CMSIS_OS_H
+#define _CMSIS_OS_H
+
+#define CMSIS_OS_RTX
+
+// __MBED_CMSIS_RTOS_CM captures our changes to the RTX kernel
+#ifndef __MBED_CMSIS_RTOS_CM
+#define __MBED_CMSIS_RTOS_CM
+#endif
+// we use __CMSIS_RTOS version, which changes some API in the kernel
+#ifndef __CMSIS_RTOS
+#define __CMSIS_RTOS
+#endif
+
+// The stack space occupied is mainly dependent on the underling C standard library
+#if defined(TOOLCHAIN_GCC) || defined(TOOLCHAIN_ARM_STD) || defined(TOOLCHAIN_IAR)
+# define WORDS_STACK_SIZE 512
+#elif defined(TOOLCHAIN_ARM_MICRO)
+# define WORDS_STACK_SIZE 128
+#endif
+
+#ifdef __MBED_CMSIS_RTOS_CM
+
+/* If os timers macro is set to 0, there's no timer thread created, therefore
+ * main thread has tid 0x01
+ */
+#if defined(OS_TIMERS) && (OS_TIMERS == 0)
+#define MAIN_THREAD_ID 0x01
+#else
+#define MAIN_THREAD_ID 0x02
+#endif
+#endif
+
+#if defined(TARGET_XDOT_L151CC)
+#define DEFAULT_STACK_SIZE (WORDS_STACK_SIZE/2)
+#else
+#define DEFAULT_STACK_SIZE (WORDS_STACK_SIZE*4)
+#endif
+
+#define osCMSIS 0x10002U ///< CMSIS-RTOS API version (main [31:16] .sub [15:0])
+
+#define osCMSIS_RTX ((4<<16)|80) ///< RTOS identification and version (main [31:16] .sub [15:0])
+
+#define osKernelSystemId "RTX V4.80" ///< RTOS identification string
+
+
+#define osFeature_MainThread 1 ///< main can be thread
+#define osFeature_Pool 1 ///< Memory Pools available
+#define osFeature_MailQ 1 ///< Mail Queues available
+#define osFeature_MessageQ 1 ///< Message Queues available
+#define osFeature_Signals 16 ///< 16 Signal Flags available per thread
+#define osFeature_Semaphore 65535 ///< Maximum count for \ref osSemaphoreCreate function
+#define osFeature_Wait 0 ///< osWait not available
+#define osFeature_SysTick 1 ///< osKernelSysTick functions available
+#define osFeature_ThreadEnum 1 ///< Thread enumeration available
+
+#if defined (__CC_ARM)
+#define os_InRegs __value_in_regs // Compiler specific: force struct in registers
+#elif defined (__ICCARM__)
+#define os_InRegs __value_in_regs // Compiler specific: force struct in registers
+#else
+#define os_InRegs
+#endif
+
+#include <stdint.h>
+#include <stddef.h>
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+// ==== Enumeration, structures, defines ====
+
+/// Priority used for thread control.
+typedef enum {
+ osPriorityIdle = -3, ///< priority: idle (lowest)
+ osPriorityLow = -2, ///< priority: low
+ osPriorityBelowNormal = -1, ///< priority: below normal
+ osPriorityNormal = 0, ///< priority: normal (default)
+ osPriorityAboveNormal = +1, ///< priority: above normal
+ osPriorityHigh = +2, ///< priority: high
+ osPriorityRealtime = +3, ///< priority: realtime (highest)
+ osPriorityError = 0x84 ///< system cannot determine priority or thread has illegal priority
+} osPriority;
+
+/// Timeout value.
+#define osWaitForever 0xFFFFFFFFU ///< wait forever timeout value
+
+/// Status code values returned by CMSIS-RTOS functions.
+typedef enum {
+ osOK = 0, ///< function completed; no error or event occurred.
+ osEventSignal = 0x08, ///< function completed; signal event occurred.
+ osEventMessage = 0x10, ///< function completed; message event occurred.
+ osEventMail = 0x20, ///< function completed; mail event occurred.
+ osEventTimeout = 0x40, ///< function completed; timeout occurred.
+ osErrorParameter = 0x80, ///< parameter error: a mandatory parameter was missing or specified an incorrect object.
+ osErrorResource = 0x81, ///< resource not available: a specified resource was not available.
+ osErrorTimeoutResource = 0xC1, ///< resource not available within given time: a specified resource was not available within the timeout period.
+ osErrorISR = 0x82, ///< not allowed in ISR context: the function cannot be called from interrupt service routines.
+ osErrorISRRecursive = 0x83, ///< function called multiple times from ISR with same object.
+ osErrorPriority = 0x84, ///< system cannot determine priority or thread has illegal priority.
+ osErrorNoMemory = 0x85, ///< system is out of memory: it was impossible to allocate or reserve memory for the operation.
+ osErrorValue = 0x86, ///< value of a parameter is out of range.
+ osErrorOS = 0xFF, ///< unspecified RTOS error: run-time error but no other error message fits.
+ os_status_reserved = 0x7FFFFFFF ///< prevent from enum down-size compiler optimization.
+} osStatus;
+
+
+/// Timer type value for the timer definition.
+typedef enum {
+ osTimerOnce = 0, ///< one-shot timer
+ osTimerPeriodic = 1 ///< repeating timer
+} os_timer_type;
+
+typedef enum {
+ osThreadInfoState,
+ osThreadInfoStackSize,
+ osThreadInfoStackMax,
+ osThreadInfoEntry,
+ osThreadInfoArg,
+
+ osThreadInfo_reserved = 0x7FFFFFFF ///< prevent from enum down-size compiler optimization.
+} osThreadInfo;
+
+/// Entry point of a thread.
+typedef void (*os_pthread) (void const *argument);
+
+/// Entry point of a timer call back function.
+typedef void (*os_ptimer) (void const *argument);
+
+// >>> the following data type definitions may shall adapted towards a specific RTOS
+
+/// Thread ID identifies the thread (pointer to a thread control block).
+typedef struct os_thread_cb *osThreadId;
+
+/// Timer ID identifies the timer (pointer to a timer control block).
+typedef struct os_timer_cb *osTimerId;
+
+/// Mutex ID identifies the mutex (pointer to a mutex control block).
+typedef struct os_mutex_cb *osMutexId;
+
+/// Semaphore ID identifies the semaphore (pointer to a semaphore control block).
+typedef struct os_semaphore_cb *osSemaphoreId;
+
+/// Pool ID identifies the memory pool (pointer to a memory pool control block).
+typedef struct os_pool_cb *osPoolId;
+
+/// Message ID identifies the message queue (pointer to a message queue control block).
+typedef struct os_messageQ_cb *osMessageQId;
+
+/// Mail ID identifies the mail queue (pointer to a mail queue control block).
+typedef struct os_mailQ_cb *osMailQId;
+
+/// Thread enumeration ID identifies the enumeration (pointer to a thread enumeration control block).
+typedef uint32_t *osThreadEnumId;
+
+/// Thread Definition structure contains startup information of a thread.
+typedef struct os_thread_def {
+ os_pthread pthread; ///< start address of thread function
+ osPriority tpriority; ///< initial thread priority
+ uint32_t instances; ///< maximum number of instances of that thread function
+ uint32_t stacksize; ///< stack size requirements in bytes; 0 is default stack size
+#ifdef __MBED_CMSIS_RTOS_CM
+ uint32_t *stack_pointer; ///< pointer to the stack memory block
+#endif
+} osThreadDef_t;
+
+/// Timer Definition structure contains timer parameters.
+typedef struct os_timer_def {
+ os_ptimer ptimer; ///< start address of a timer function
+ void *timer; ///< pointer to internal data
+} osTimerDef_t;
+
+/// Mutex Definition structure contains setup information for a mutex.
+typedef struct os_mutex_def {
+ void *mutex; ///< pointer to internal data
+} osMutexDef_t;
+
+/// Semaphore Definition structure contains setup information for a semaphore.
+typedef struct os_semaphore_def {
+ void *semaphore; ///< pointer to internal data
+} osSemaphoreDef_t;
+
+/// Definition structure for memory block allocation.
+typedef struct os_pool_def {
+ uint32_t pool_sz; ///< number of items (elements) in the pool
+ uint32_t item_sz; ///< size of an item
+ void *pool; ///< pointer to memory for pool
+} osPoolDef_t;
+
+/// Definition structure for message queue.
+typedef struct os_messageQ_def {
+ uint32_t queue_sz; ///< number of elements in the queue
+ void *pool; ///< memory array for messages
+} osMessageQDef_t;
+
+/// Definition structure for mail queue.
+typedef struct os_mailQ_def {
+ uint32_t queue_sz; ///< number of elements in the queue
+ uint32_t item_sz; ///< size of an item
+ void *pool; ///< memory array for mail
+} osMailQDef_t;
+
+/// Event structure contains detailed information about an event.
+typedef struct {
+ osStatus status; ///< status code: event or error information
+ union {
+ uint32_t v; ///< message as 32-bit value
+ void *p; ///< message or mail as void pointer
+ int32_t signals; ///< signal flags
+ } value; ///< event value
+ union {
+ osMailQId mail_id; ///< mail id obtained by \ref osMailCreate
+ osMessageQId message_id; ///< message id obtained by \ref osMessageCreate
+ } def; ///< event definition
+} osEvent;
+
+
+// ==== Kernel Control Functions ====
+
+/// Initialize the RTOS Kernel for creating objects.
+/// \return status code that indicates the execution status of the function.
+osStatus osKernelInitialize (void);
+
+/// Start the RTOS Kernel.
+/// \return status code that indicates the execution status of the function.
+osStatus osKernelStart (void);
+
+/// Check if the RTOS kernel is already started.
+/// \return 0 RTOS is not started, 1 RTOS is started.
+int32_t osKernelRunning(void);
+
+#if (defined (osFeature_SysTick) && (osFeature_SysTick != 0)) // System Timer available
+
+/// \cond INTERNAL_VARIABLES
+extern uint32_t const os_tickfreq;
+extern uint16_t const os_tickus_i;
+extern uint16_t const os_tickus_f;
+/// \endcond
+
+/// Get the RTOS kernel system timer counter.
+/// \return RTOS kernel system timer as 32-bit value
+uint32_t osKernelSysTick (void);
+
+/// The RTOS kernel system timer frequency in Hz.
+/// \note Reflects the system timer setting and is typically defined in a configuration file.
+#define osKernelSysTickFrequency os_tickfreq
+
+/// Convert a microseconds value to a RTOS kernel system timer value.
+/// \param microsec time value in microseconds.
+/// \return time value normalized to the \ref osKernelSysTickFrequency
+/*
+#define osKernelSysTickMicroSec(microsec) (((uint64_t)microsec * (osKernelSysTickFrequency)) / 1000000)
+*/
+#define osKernelSysTickMicroSec(microsec) ((microsec * os_tickus_i) + ((microsec * os_tickus_f) >> 16))
+
+#endif // System Timer available
+
+// ==== Thread Management ====
+
+/// Create a Thread Definition with function, priority, and stack requirements.
+/// \param name name of the thread function.
+/// \param priority initial priority of the thread function.
+/// \param instances number of possible thread instances.
+/// \param stacksz stack size (in bytes) requirements for the thread function.
+/// macro body is implementation specific in every CMSIS-RTOS.
+#if defined (osObjectsExternal) // object is external
+#define osThreadDef(name, priority, instances, stacksz) \
+extern const osThreadDef_t os_thread_def_##name
+#else // define the object
+#ifdef __MBED_CMSIS_RTOS_CM
+#define osThreadDef(name, priority, stacksz) \
+uint32_t os_thread_def_stack_##name [stacksz / sizeof(uint32_t)]; \
+const osThreadDef_t os_thread_def_##name = \
+{ (name), (priority), 1, (stacksz), (os_thread_def_stack_##name) }
+#else
+#define osThreadDef(name, priority, instances, stacksz) \
+const osThreadDef_t os_thread_def_##name = \
+{ (name), (priority), (instances), (stacksz) }
+#endif
+#endif
+
+/// Access a Thread definition.
+/// \param name name of the thread definition object.
+/// macro body is implementation specific in every CMSIS-RTOS.
+#define osThread(name) \
+&os_thread_def_##name
+
+/// Create a thread and add it to Active Threads and set it to state READY.
+/// \param[in] thread_def thread definition referenced with \ref osThread.
+/// \param[in] argument pointer that is passed to the thread function as start argument.
+/// \return thread ID for reference by other functions or NULL in case of error.
+osThreadId osThreadCreate (const osThreadDef_t *thread_def, void *argument);
+
+osThreadId osThreadContextCreate (const osThreadDef_t *thread_def, void *argument, void *context);
+
+/// Return the thread ID of the current running thread.
+/// \return thread ID for reference by other functions or NULL in case of error.
+osThreadId osThreadGetId (void);
+
+/// Terminate execution of a thread and remove it from Active Threads.
+/// \param[in] thread_id thread ID obtained by \ref osThreadCreate or \ref osThreadGetId.
+/// \return status code that indicates the execution status of the function.
+osStatus osThreadTerminate (osThreadId thread_id);
+
+/// Pass control to next thread that is in state \b READY.
+/// \return status code that indicates the execution status of the function.
+osStatus osThreadYield (void);
+
+/// Change priority of an active thread.
+/// \param[in] thread_id thread ID obtained by \ref osThreadCreate or \ref osThreadGetId.
+/// \param[in] priority new priority value for the thread function.
+/// \return status code that indicates the execution status of the function.
+osStatus osThreadSetPriority (osThreadId thread_id, osPriority priority);
+
+/// Get current priority of an active thread.
+/// \param[in] thread_id thread ID obtained by \ref osThreadCreate or \ref osThreadGetId.
+/// \return current priority value of the thread function.
+osPriority osThreadGetPriority (osThreadId thread_id);
+
+#ifdef __MBED_CMSIS_RTOS_CM
+/// Get current thread state.
+uint8_t osThreadGetState (osThreadId thread_id);
+#endif
+
+/// Get into from an active thread.
+/// \param[in] thread_id thread ID obtained by \ref osThreadCreate or \ref osThreadGetId.
+/// \param[in] info information to read.
+/// \return current state of the thread function.
+/// \return requested info that includes the status code.
+os_InRegs osEvent _osThreadGetInfo(osThreadId thread_id, osThreadInfo info);
+
+// ==== Generic Wait Functions ====
+
+/// Wait for Timeout (Time Delay).
+/// \param[in] millisec \ref CMSIS_RTOS_TimeOutValue "Time delay" value
+/// \return status code that indicates the execution status of the function.
+osStatus osDelay (uint32_t millisec);
+
+#if (defined (osFeature_Wait) && (osFeature_Wait != 0)) // Generic Wait available
+
+/// Wait for Signal, Message, Mail, or Timeout.
+/// \param[in] millisec \ref CMSIS_RTOS_TimeOutValue or 0 in case of no time-out
+/// \return event that contains signal, message, or mail information or error code.
+os_InRegs osEvent osWait (uint32_t millisec);
+
+#endif // Generic Wait available
+
+
+// ==== Timer Management Functions ====
+/// Define a Timer object.
+/// \param name name of the timer object.
+/// \param function name of the timer call back function.
+#if defined (osObjectsExternal) // object is external
+#define osTimerDef(name, function) \
+extern const osTimerDef_t os_timer_def_##name
+#else // define the object
+#define osTimerDef(name, function) \
+uint32_t os_timer_cb_##name[6]; \
+const osTimerDef_t os_timer_def_##name = \
+{ (function), (os_timer_cb_##name) }
+#endif
+
+/// Access a Timer definition.
+/// \param name name of the timer object.
+#define osTimer(name) \
+&os_timer_def_##name
+
+/// Create a timer.
+/// \param[in] timer_def timer object referenced with \ref osTimer.
+/// \param[in] type osTimerOnce for one-shot or osTimerPeriodic for periodic behavior.
+/// \param[in] argument argument to the timer call back function.
+/// \return timer ID for reference by other functions or NULL in case of error.
+osTimerId osTimerCreate (const osTimerDef_t *timer_def, os_timer_type type, void *argument);
+
+/// Start or restart a timer.
+/// \param[in] timer_id timer ID obtained by \ref osTimerCreate.
+/// \param[in] millisec \ref CMSIS_RTOS_TimeOutValue "Time delay" value of the timer.
+/// \return status code that indicates the execution status of the function.
+osStatus osTimerStart (osTimerId timer_id, uint32_t millisec);
+
+/// Stop the timer.
+/// \param[in] timer_id timer ID obtained by \ref osTimerCreate.
+/// \return status code that indicates the execution status of the function.
+osStatus osTimerStop (osTimerId timer_id);
+
+/// Delete a timer that was created by \ref osTimerCreate.
+/// \param[in] timer_id timer ID obtained by \ref osTimerCreate.
+/// \return status code that indicates the execution status of the function.
+osStatus osTimerDelete (osTimerId timer_id);
+
+
+// ==== Signal Management ====
+
+/// Set the specified Signal Flags of an active thread.
+/// \param[in] thread_id thread ID obtained by \ref osThreadCreate or \ref osThreadGetId.
+/// \param[in] signals specifies the signal flags of the thread that should be set.
+/// \return previous signal flags of the specified thread or 0x80000000 in case of incorrect parameters.
+int32_t osSignalSet (osThreadId thread_id, int32_t signals);
+
+/// Clear the specified Signal Flags of an active thread.
+/// \param[in] thread_id thread ID obtained by \ref osThreadCreate or \ref osThreadGetId.
+/// \param[in] signals specifies the signal flags of the thread that shall be cleared.
+/// \return previous signal flags of the specified thread or 0x80000000 in case of incorrect parameters or call from ISR.
+int32_t osSignalClear (osThreadId thread_id, int32_t signals);
+
+/// Wait for one or more Signal Flags to become signaled for the current \b RUNNING thread.
+/// \param[in] signals wait until all specified signal flags set or 0 for any single signal flag.
+/// \param[in] millisec \ref CMSIS_RTOS_TimeOutValue or 0 in case of no time-out.
+/// \return event flag information or error code.
+os_InRegs osEvent osSignalWait (int32_t signals, uint32_t millisec);
+
+
+// ==== Mutex Management ====
+
+/// Define a Mutex.
+/// \param name name of the mutex object.
+#if defined (osObjectsExternal) // object is external
+#define osMutexDef(name) \
+extern const osMutexDef_t os_mutex_def_##name
+#else // define the object
+#define osMutexDef(name) \
+uint32_t os_mutex_cb_##name[4] = { 0 }; \
+const osMutexDef_t os_mutex_def_##name = { (os_mutex_cb_##name) }
+#endif
+
+/// Access a Mutex definition.
+/// \param name name of the mutex object.
+#define osMutex(name) \
+&os_mutex_def_##name
+
+/// Create and Initialize a Mutex object.
+/// \param[in] mutex_def mutex definition referenced with \ref osMutex.
+/// \return mutex ID for reference by other functions or NULL in case of error.
+osMutexId osMutexCreate (const osMutexDef_t *mutex_def);
+
+/// Wait until a Mutex becomes available.
+/// \param[in] mutex_id mutex ID obtained by \ref osMutexCreate.
+/// \param[in] millisec \ref CMSIS_RTOS_TimeOutValue or 0 in case of no time-out.
+/// \return status code that indicates the execution status of the function.
+osStatus osMutexWait (osMutexId mutex_id, uint32_t millisec);
+
+/// Release a Mutex that was obtained by \ref osMutexWait.
+/// \param[in] mutex_id mutex ID obtained by \ref osMutexCreate.
+/// \return status code that indicates the execution status of the function.
+osStatus osMutexRelease (osMutexId mutex_id);
+
+/// Delete a Mutex that was created by \ref osMutexCreate.
+/// \param[in] mutex_id mutex ID obtained by \ref osMutexCreate.
+/// \return status code that indicates the execution status of the function.
+osStatus osMutexDelete (osMutexId mutex_id);
+
+
+// ==== Semaphore Management Functions ====
+
+#if (defined (osFeature_Semaphore) && (osFeature_Semaphore != 0)) // Semaphore available
+
+/// Define a Semaphore object.
+/// \param name name of the semaphore object.
+#if defined (osObjectsExternal) // object is external
+#define osSemaphoreDef(name) \
+extern const osSemaphoreDef_t os_semaphore_def_##name
+#else // define the object
+#define osSemaphoreDef(name) \
+uint32_t os_semaphore_cb_##name[2] = { 0 }; \
+const osSemaphoreDef_t os_semaphore_def_##name = { (os_semaphore_cb_##name) }
+#endif
+
+/// Access a Semaphore definition.
+/// \param name name of the semaphore object.
+#define osSemaphore(name) \
+&os_semaphore_def_##name
+
+/// Create and Initialize a Semaphore object used for managing resources.
+/// \param[in] semaphore_def semaphore definition referenced with \ref osSemaphore.
+/// \param[in] count number of available resources.
+/// \return semaphore ID for reference by other functions or NULL in case of error.
+osSemaphoreId osSemaphoreCreate (const osSemaphoreDef_t *semaphore_def, int32_t count);
+
+/// Wait until a Semaphore token becomes available.
+/// \param[in] semaphore_id semaphore object referenced with \ref osSemaphoreCreate.
+/// \param[in] millisec \ref CMSIS_RTOS_TimeOutValue or 0 in case of no time-out.
+/// \return number of available tokens, or -1 in case of incorrect parameters.
+int32_t osSemaphoreWait (osSemaphoreId semaphore_id, uint32_t millisec);
+
+/// Release a Semaphore token.
+/// \param[in] semaphore_id semaphore object referenced with \ref osSemaphoreCreate.
+/// \return status code that indicates the execution status of the function.
+osStatus osSemaphoreRelease (osSemaphoreId semaphore_id);
+
+/// Delete a Semaphore that was created by \ref osSemaphoreCreate.
+/// \param[in] semaphore_id semaphore object referenced with \ref osSemaphoreCreate.
+/// \return status code that indicates the execution status of the function.
+osStatus osSemaphoreDelete (osSemaphoreId semaphore_id);
+
+#endif // Semaphore available
+
+
+// ==== Memory Pool Management Functions ====
+
+#if (defined (osFeature_Pool) && (osFeature_Pool != 0)) // Memory Pool Management available
+
+/// \brief Define a Memory Pool.
+/// \param name name of the memory pool.
+/// \param no maximum number of blocks (objects) in the memory pool.
+/// \param type data type of a single block (object).
+#if defined (osObjectsExternal) // object is external
+#define osPoolDef(name, no, type) \
+extern const osPoolDef_t os_pool_def_##name
+#else // define the object
+#define osPoolDef(name, no, type) \
+uint32_t os_pool_m_##name[3+((sizeof(type)+3)/4)*(no)]; \
+const osPoolDef_t os_pool_def_##name = \
+{ (no), sizeof(type), (os_pool_m_##name) }
+#endif
+
+/// \brief Access a Memory Pool definition.
+/// \param name name of the memory pool
+#define osPool(name) \
+&os_pool_def_##name
+
+/// Create and Initialize a memory pool.
+/// \param[in] pool_def memory pool definition referenced with \ref osPool.
+/// \return memory pool ID for reference by other functions or NULL in case of error.
+osPoolId osPoolCreate (const osPoolDef_t *pool_def);
+
+/// Allocate a memory block from a memory pool.
+/// \param[in] pool_id memory pool ID obtain referenced with \ref osPoolCreate.
+/// \return address of the allocated memory block or NULL in case of no memory available.
+void *osPoolAlloc (osPoolId pool_id);
+
+/// Allocate a memory block from a memory pool and set memory block to zero.
+/// \param[in] pool_id memory pool ID obtain referenced with \ref osPoolCreate.
+/// \return address of the allocated memory block or NULL in case of no memory available.
+void *osPoolCAlloc (osPoolId pool_id);
+
+/// Return an allocated memory block back to a specific memory pool.
+/// \param[in] pool_id memory pool ID obtain referenced with \ref osPoolCreate.
+/// \param[in] block address of the allocated memory block that is returned to the memory pool.
+/// \return status code that indicates the execution status of the function.
+osStatus osPoolFree (osPoolId pool_id, void *block);
+
+#endif // Memory Pool Management available
+
+
+// ==== Message Queue Management Functions ====
+
+#if (defined (osFeature_MessageQ) && (osFeature_MessageQ != 0)) // Message Queues available
+
+/// \brief Create a Message Queue Definition.
+/// \param name name of the queue.
+/// \param queue_sz maximum number of messages in the queue.
+/// \param type data type of a single message element (for debugger).
+#if defined (osObjectsExternal) // object is external
+#define osMessageQDef(name, queue_sz, type) \
+extern const osMessageQDef_t os_messageQ_def_##name
+#else // define the object
+#define osMessageQDef(name, queue_sz, type) \
+uint32_t os_messageQ_q_##name[4+(queue_sz)] = { 0 }; \
+const osMessageQDef_t os_messageQ_def_##name = \
+{ (queue_sz), (os_messageQ_q_##name) }
+#endif
+
+/// \brief Access a Message Queue Definition.
+/// \param name name of the queue
+#define osMessageQ(name) \
+&os_messageQ_def_##name
+
+/// Create and Initialize a Message Queue.
+/// \param[in] queue_def queue definition referenced with \ref osMessageQ.
+/// \param[in] thread_id thread ID (obtained by \ref osThreadCreate or \ref osThreadGetId) or NULL.
+/// \return message queue ID for reference by other functions or NULL in case of error.
+osMessageQId osMessageCreate (const osMessageQDef_t *queue_def, osThreadId thread_id);
+
+/// Put a Message to a Queue.
+/// \param[in] queue_id message queue ID obtained with \ref osMessageCreate.
+/// \param[in] info message information.
+/// \param[in] millisec \ref CMSIS_RTOS_TimeOutValue or 0 in case of no time-out.
+/// \return status code that indicates the execution status of the function.
+osStatus osMessagePut (osMessageQId queue_id, uint32_t info, uint32_t millisec);
+
+/// Get a Message or Wait for a Message from a Queue.
+/// \param[in] queue_id message queue ID obtained with \ref osMessageCreate.
+/// \param[in] millisec \ref CMSIS_RTOS_TimeOutValue or 0 in case of no time-out.
+/// \return event information that includes status code.
+os_InRegs osEvent osMessageGet (osMessageQId queue_id, uint32_t millisec);
+
+#endif // Message Queues available
+
+
+// ==== Mail Queue Management Functions ====
+
+#if (defined (osFeature_MailQ) && (osFeature_MailQ != 0)) // Mail Queues available
+
+/// \brief Create a Mail Queue Definition.
+/// \param name name of the queue
+/// \param queue_sz maximum number of messages in queue
+/// \param type data type of a single message element
+#if defined (osObjectsExternal) // object is external
+#define osMailQDef(name, queue_sz, type) \
+extern const osMailQDef_t os_mailQ_def_##name
+#else // define the object
+#define osMailQDef(name, queue_sz, type) \
+uint32_t os_mailQ_q_##name[4+(queue_sz)] = { 0 }; \
+uint32_t os_mailQ_m_##name[3+((sizeof(type)+3)/4)*(queue_sz)]; \
+void * os_mailQ_p_##name[2] = { (os_mailQ_q_##name), os_mailQ_m_##name }; \
+const osMailQDef_t os_mailQ_def_##name = \
+{ (queue_sz), sizeof(type), (os_mailQ_p_##name) }
+#endif
+
+/// \brief Access a Mail Queue Definition.
+/// \param name name of the queue
+#define osMailQ(name) \
+&os_mailQ_def_##name
+
+/// Create and Initialize mail queue.
+/// \param[in] queue_def reference to the mail queue definition obtain with \ref osMailQ
+/// \param[in] thread_id thread ID (obtained by \ref osThreadCreate or \ref osThreadGetId) or NULL.
+/// \return mail queue ID for reference by other functions or NULL in case of error.
+osMailQId osMailCreate (const osMailQDef_t *queue_def, osThreadId thread_id);
+
+/// Allocate a memory block from a mail.
+/// \param[in] queue_id mail queue ID obtained with \ref osMailCreate.
+/// \param[in] millisec \ref CMSIS_RTOS_TimeOutValue or 0 in case of no time-out
+/// \return pointer to memory block that can be filled with mail or NULL in case of error.
+void *osMailAlloc (osMailQId queue_id, uint32_t millisec);
+
+/// Allocate a memory block from a mail and set memory block to zero.
+/// \param[in] queue_id mail queue ID obtained with \ref osMailCreate.
+/// \param[in] millisec \ref CMSIS_RTOS_TimeOutValue or 0 in case of no time-out
+/// \return pointer to memory block that can be filled with mail or NULL in case of error.
+void *osMailCAlloc (osMailQId queue_id, uint32_t millisec);
+
+/// Put a mail to a queue.
+/// \param[in] queue_id mail queue ID obtained with \ref osMailCreate.
+/// \param[in] mail memory block previously allocated with \ref osMailAlloc or \ref osMailCAlloc.
+/// \return status code that indicates the execution status of the function.
+osStatus osMailPut (osMailQId queue_id, void *mail);
+
+/// Get a mail from a queue.
+/// \param[in] queue_id mail queue ID obtained with \ref osMailCreate.
+/// \param[in] millisec \ref CMSIS_RTOS_TimeOutValue or 0 in case of no time-out
+/// \return event that contains mail information or error code.
+os_InRegs osEvent osMailGet (osMailQId queue_id, uint32_t millisec);
+
+/// Free a memory block from a mail.
+/// \param[in] queue_id mail queue ID obtained with \ref osMailCreate.
+/// \param[in] mail pointer to the memory block that was obtained with \ref osMailGet.
+/// \return status code that indicates the execution status of the function.
+osStatus osMailFree (osMailQId queue_id, void *mail);
+
+#endif // Mail Queues available
+
+
+// ==== Thread Enumeration Functions ====
+
+#if (defined (osFeature_ThreadEnum) && (osFeature_ThreadEnum != 0)) // Thread enumeration available
+
+/// Start a thread enumeration.
+/// \return an enumeration ID or NULL on error.
+osThreadEnumId _osThreadsEnumStart(void);
+
+/// Get the next task ID in the enumeration.
+/// \return a thread ID or NULL on if the end of the enumeration has been reached.
+osThreadId _osThreadEnumNext(osThreadEnumId enum_id);
+
+/// Free the enumeration structure.
+/// \param[in] enum_id pointer to the enumeration ID that was obtained with \ref _osThreadsEnumStart.
+/// \return status code that indicates the execution status of the function.
+osStatus _osThreadEnumFree(osThreadEnumId enum_id);
+
+#endif // Thread Enumeration available
+
+
+// ==== RTX Extensions ====
+
+/// Suspend the RTX task scheduler.
+/// \return number of ticks, for how long the system can sleep or power-down.
+uint32_t os_suspend (void);
+
+/// Resume the RTX task scheduler
+/// \param[in] sleep_time specifies how long the system was in sleep or power-down mode.
+void os_resume (uint32_t sleep_time);
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // _CMSIS_OS_H
+
+/** @}*/
diff -r 000000000000 -r fc74113aca28 mbed-rtos/rtx/TARGET_CORTEX_M/rt_CMSIS.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-rtos/rtx/TARGET_CORTEX_M/rt_CMSIS.c Thu Apr 14 20:21:15 2022 +0000
@@ -0,0 +1,2344 @@
+/*----------------------------------------------------------------------------
+ * CMSIS-RTOS - RTX
+ *----------------------------------------------------------------------------
+ * Name: rt_CMSIS.c
+ * Purpose: CMSIS RTOS API
+ * Rev.: V4.80
+ *----------------------------------------------------------------------------
+ *
+ * Copyright (c) 1999-2009 KEIL, 2009-2015 ARM Germany GmbH
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * - Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *---------------------------------------------------------------------------*/
+
+#define __CMSIS_GENERIC
+
+#if defined (__CORTEX_M4) || defined (__CORTEX_M4F)
+ #include "core_cm4.h"
+#elif defined (__CORTEX_M7) || defined (__CORTEX_M7F)
+ #include "core_cm7.h"
+#elif defined (__CORTEX_M3)
+ #include "core_cm3.h"
+#elif defined (__CORTEX_M0)
+ #include "core_cm0.h"
+#elif defined (__CORTEX_M0PLUS)
+ #include "core_cm0plus.h"
+#else
+ #error "Missing __CORTEX_Mx definition"
+#endif
+
+// This affects cmsis_os only, as it's not used anywhere else. This was left by kernel team
+// to suppress the warning in rt_tid2ptcb about incompatible pointer assignment.
+#define os_thread_cb OS_TCB
+
+#include "rt_TypeDef.h"
+#include "RTX_Config.h"
+#include "rt_System.h"
+#include "rt_Task.h"
+#include "rt_Event.h"
+#include "rt_List.h"
+#include "rt_Time.h"
+#include "rt_Mutex.h"
+#include "rt_Semaphore.h"
+#include "rt_Mailbox.h"
+#include "rt_MemBox.h"
+#include "rt_Memory.h"
+#include "rt_HAL_CM.h"
+#include "rt_OsEventObserver.h"
+
+#include "cmsis_os.h"
+
+#if (osFeature_Signals != 16)
+#error Invalid "osFeature_Signals" value!
+#endif
+#if (osFeature_Semaphore > 65535)
+#error Invalid "osFeature_Semaphore" value!
+#endif
+#if (osFeature_Wait != 0)
+#error osWait not supported!
+#endif
+
+
+// ==== Enumeration, structures, defines ====
+
+// Service Calls defines
+
+#if defined (__CC_ARM) /* ARM Compiler */
+
+#define __NO_RETURN __declspec(noreturn)
+
+#define osEvent_type osEvent
+#define osEvent_ret_status ret
+#define osEvent_ret_value ret
+#define osEvent_ret_msg ret
+#define osEvent_ret_mail ret
+
+#define osCallback_type osCallback
+#define osCallback_ret ret
+
+#define SVC_0_1(f,t,...) \
+__svc_indirect(0) t _##f (t(*)()); \
+ t f (void); \
+__attribute__((always_inline)) \
+static __inline t __##f (void) { \
+ return _##f(f); \
+}
+
+#define SVC_1_0(f,t,t1,...) \
+__svc_indirect(0) t _##f (t(*)(t1),t1); \
+ t f (t1 a1); \
+__attribute__((always_inline)) \
+static __inline t __##f (t1 a1) { \
+ _##f(f,a1); \
+}
+
+#define SVC_1_1(f,t,t1,...) \
+__svc_indirect(0) t _##f (t(*)(t1),t1); \
+ t f (t1 a1); \
+__attribute__((always_inline)) \
+static __inline t __##f (t1 a1) { \
+ return _##f(f,a1); \
+}
+
+#define SVC_2_1(f,t,t1,t2,...) \
+__svc_indirect(0) t _##f (t(*)(t1,t2),t1,t2); \
+ t f (t1 a1, t2 a2); \
+__attribute__((always_inline)) \
+static __inline t __##f (t1 a1, t2 a2) { \
+ return _##f(f,a1,a2); \
+}
+
+#define SVC_3_1(f,t,t1,t2,t3,...) \
+__svc_indirect(0) t _##f (t(*)(t1,t2,t3),t1,t2,t3); \
+ t f (t1 a1, t2 a2, t3 a3); \
+__attribute__((always_inline)) \
+static __inline t __##f (t1 a1, t2 a2, t3 a3) { \
+ return _##f(f,a1,a2,a3); \
+}
+
+#define SVC_4_1(f,t,t1,t2,t3,t4,...) \
+__svc_indirect(0) t _##f (t(*)(t1,t2,t3,t4),t1,t2,t3,t4); \
+ t f (t1 a1, t2 a2, t3 a3, t4 a4); \
+__attribute__((always_inline)) \
+static __inline t __##f (t1 a1, t2 a2, t3 a3, t4 a4) { \
+ return _##f(f,a1,a2,a3,a4); \
+}
+
+#define SVC_1_2 SVC_1_1
+#define SVC_1_3 SVC_1_1
+#define SVC_2_3 SVC_2_1
+
+#elif defined (__GNUC__) /* GNU Compiler */
+
+#define __NO_RETURN __attribute__((noreturn))
+
+typedef uint32_t __attribute__((vector_size(8))) ret64;
+typedef uint32_t __attribute__((vector_size(16))) ret128;
+
+#define RET_pointer __r0
+#define RET_int32_t __r0
+#define RET_uint32_t __r0
+#define RET_osStatus __r0
+#define RET_osPriority __r0
+#define RET_osEvent {(osStatus)__r0, {(uint32_t)__r1}, {(void *)__r2}}
+#define RET_osCallback {(void *)__r0, (void *)__r1}
+
+#define osEvent_type __attribute__((pcs("aapcs"))) ret128
+#define osEvent_ret_status (ret128){ret.status}
+#define osEvent_ret_value (ret128){ret.status, ret.value.v}
+#define osEvent_ret_msg (ret128){ret.status, ret.value.v, (uint32_t)ret.def.message_id}
+#define osEvent_ret_mail (ret128){ret.status, ret.value.v, (uint32_t)ret.def.mail_id}
+
+#define osCallback_type __attribute__((pcs("aapcs"))) ret64
+#define osCallback_ret (ret64) {(uint32_t)ret.fp, (uint32_t)ret.arg}
+
+#define SVC_ArgN(n) \
+ register int __r##n __asm("r"#n);
+
+#define SVC_ArgR(n,t,a) \
+ register t __r##n __asm("r"#n) = a;
+
+#define SVC_Arg0() \
+ SVC_ArgN(0) \
+ SVC_ArgN(1) \
+ SVC_ArgN(2) \
+ SVC_ArgN(3)
+
+#define SVC_Arg1(t1) \
+ SVC_ArgR(0,t1,a1) \
+ SVC_ArgN(1) \
+ SVC_ArgN(2) \
+ SVC_ArgN(3)
+
+#define SVC_Arg2(t1,t2) \
+ SVC_ArgR(0,t1,a1) \
+ SVC_ArgR(1,t2,a2) \
+ SVC_ArgN(2) \
+ SVC_ArgN(3)
+
+#define SVC_Arg3(t1,t2,t3) \
+ SVC_ArgR(0,t1,a1) \
+ SVC_ArgR(1,t2,a2) \
+ SVC_ArgR(2,t3,a3) \
+ SVC_ArgN(3)
+
+#define SVC_Arg4(t1,t2,t3,t4) \
+ SVC_ArgR(0,t1,a1) \
+ SVC_ArgR(1,t2,a2) \
+ SVC_ArgR(2,t3,a3) \
+ SVC_ArgR(3,t4,a4)
+
+#if (defined (__CORTEX_M0)) || defined (__CORTEX_M0PLUS)
+#define SVC_Call(f) \
+ __asm volatile \
+ ( \
+ "ldr r7,="#f"\n\t" \
+ "mov r12,r7\n\t" \
+ "svc 0" \
+ : "=r" (__r0), "=r" (__r1), "=r" (__r2), "=r" (__r3) \
+ : "r" (__r0), "r" (__r1), "r" (__r2), "r" (__r3) \
+ : "r7", "r12", "lr", "cc" \
+ );
+#else
+#define SVC_Call(f) \
+ __asm volatile \
+ ( \
+ "ldr r12,="#f"\n\t" \
+ "svc 0" \
+ : "=r" (__r0), "=r" (__r1), "=r" (__r2), "=r" (__r3) \
+ : "r" (__r0), "r" (__r1), "r" (__r2), "r" (__r3) \
+ : "r12", "lr", "cc" \
+ );
+#endif
+
+#define SVC_0_1(f,t,rv) \
+__attribute__((always_inline)) \
+static inline t __##f (void) { \
+ SVC_Arg0(); \
+ SVC_Call(f); \
+ return (t) rv; \
+}
+
+#define SVC_1_0(f,t,t1) \
+__attribute__((always_inline)) \
+static inline t __##f (t1 a1) { \
+ SVC_Arg1(t1); \
+ SVC_Call(f); \
+}
+
+#define SVC_1_1(f,t,t1,rv) \
+__attribute__((always_inline)) \
+static inline t __##f (t1 a1) { \
+ SVC_Arg1(t1); \
+ SVC_Call(f); \
+ return (t) rv; \
+}
+
+#define SVC_2_1(f,t,t1,t2,rv) \
+__attribute__((always_inline)) \
+static inline t __##f (t1 a1, t2 a2) { \
+ SVC_Arg2(t1,t2); \
+ SVC_Call(f); \
+ return (t) rv; \
+}
+
+#define SVC_3_1(f,t,t1,t2,t3,rv) \
+__attribute__((always_inline)) \
+static inline t __##f (t1 a1, t2 a2, t3 a3) { \
+ SVC_Arg3(t1,t2,t3); \
+ SVC_Call(f); \
+ return (t) rv; \
+}
+
+#define SVC_4_1(f,t,t1,t2,t3,t4,rv) \
+__attribute__((always_inline)) \
+static inline t __##f (t1 a1, t2 a2, t3 a3, t4 a4) { \
+ SVC_Arg4(t1,t2,t3,t4); \
+ SVC_Call(f); \
+ return (t) rv; \
+}
+
+#define SVC_1_2 SVC_1_1
+#define SVC_1_3 SVC_1_1
+#define SVC_2_3 SVC_2_1
+
+#elif defined (__ICCARM__) /* IAR Compiler */
+
+#define __NO_RETURN __noreturn
+
+#define osEvent_type osEvent
+#define osEvent_ret_status ret
+#define osEvent_ret_value ret
+#define osEvent_ret_msg ret
+#define osEvent_ret_mail ret
+
+#define osCallback_type osCallback
+#define osCallback_ret ret
+
+#define RET_osEvent osEvent
+#define RET_osCallback osCallback
+
+#define SVC_Setup(f) \
+ __asm( \
+ "mov r12,%0\n" \
+ :: "r"(&f): "r0", "r1", "r2", "r3", "r12" \
+ );
+
+#define SVC_Ret3() \
+ __asm( \
+ "ldr r0,[sp,#0]\n" \
+ "ldr r1,[sp,#4]\n" \
+ "ldr r2,[sp,#8]\n" \
+ );
+
+#define SVC_0_1(f,t,...) \
+t f (void); \
+_Pragma("swi_number=0") __swi t _##f (void); \
+static inline t __##f (void) { \
+ SVC_Setup(f); \
+ return _##f(); \
+}
+
+#define SVC_1_0(f,t,t1,...) \
+t f (t1 a1); \
+_Pragma("swi_number=0") __swi t _##f (t1 a1); \
+static inline t __##f (t1 a1) { \
+ SVC_Setup(f); \
+ _##f(a1); \
+}
+
+#define SVC_1_1(f,t,t1,...) \
+t f (t1 a1); \
+_Pragma("swi_number=0") __swi t _##f (t1 a1); \
+static inline t __##f (t1 a1) { \
+ SVC_Setup(f); \
+ return _##f(a1); \
+}
+
+#define SVC_2_1(f,t,t1,t2,...) \
+t f (t1 a1, t2 a2); \
+_Pragma("swi_number=0") __swi t _##f (t1 a1, t2 a2); \
+static inline t __##f (t1 a1, t2 a2) { \
+ SVC_Setup(f); \
+ return _##f(a1,a2); \
+}
+
+#define SVC_3_1(f,t,t1,t2,t3,...) \
+t f (t1 a1, t2 a2, t3 a3); \
+_Pragma("swi_number=0") __swi t _##f (t1 a1, t2 a2, t3 a3); \
+static inline t __##f (t1 a1, t2 a2, t3 a3) { \
+ SVC_Setup(f); \
+ return _##f(a1,a2,a3); \
+}
+
+#define SVC_4_1(f,t,t1,t2,t3,t4,...) \
+t f (t1 a1, t2 a2, t3 a3, t4 a4); \
+_Pragma("swi_number=0") __swi t _##f (t1 a1, t2 a2, t3 a3, t4 a4); \
+static inline t __##f (t1 a1, t2 a2, t3 a3, t4 a4) { \
+ SVC_Setup(f); \
+ return _##f(a1,a2,a3,a4); \
+}
+
+#define SVC_1_2 SVC_1_1
+#define SVC_1_3 SVC_1_1
+#define SVC_2_3 SVC_2_1
+
+#endif
+
+
+// Callback structure
+typedef struct {
+ void *fp; // Function pointer
+ void *arg; // Function argument
+} osCallback;
+
+
+// OS Section definitions
+#ifdef OS_SECTIONS_LINK_INFO
+extern const uint32_t os_section_id$$Base;
+extern const uint32_t os_section_id$$Limit;
+#endif
+
+#ifndef __MBED_CMSIS_RTOS_CM
+// OS Stack Memory for Threads definitions
+extern uint64_t os_stack_mem[];
+extern const uint32_t os_stack_sz;
+#endif
+
+// OS Timers external resources
+extern const osThreadDef_t os_thread_def_osTimerThread;
+extern osThreadId osThreadId_osTimerThread;
+extern const osMessageQDef_t os_messageQ_def_osTimerMessageQ;
+extern osMessageQId osMessageQId_osTimerMessageQ;
+
+// Thread creation and destruction
+osMutexDef(osThreadMutex);
+osMutexId osMutexId_osThreadMutex;
+void sysThreadTerminate(osThreadId id);
+
+// ==== Helper Functions ====
+
+/// Convert timeout in millisec to system ticks
+static uint16_t rt_ms2tick (uint32_t millisec) {
+ uint32_t tick;
+
+ if (millisec == 0U) { return 0x0U; } // No timeout
+ if (millisec == osWaitForever) { return 0xFFFFU; } // Indefinite timeout
+ if (millisec > 4000000U) { return 0xFFFEU; } // Max ticks supported
+
+ tick = ((1000U * millisec) + os_clockrate - 1U) / os_clockrate;
+ if (tick > 0xFFFEU) { return 0xFFFEU; }
+
+ return (uint16_t)tick;
+}
+
+/// Convert Thread ID to TCB pointer
+P_TCB rt_tid2ptcb (osThreadId thread_id) {
+ P_TCB ptcb;
+
+ if (thread_id == NULL) { return NULL; }
+
+ if ((uint32_t)thread_id & 3U) { return NULL; }
+
+#ifdef OS_SECTIONS_LINK_INFO
+ if ((os_section_id$$Base != 0U) && (os_section_id$$Limit != 0U)) {
+ if (thread_id < (osThreadId)os_section_id$$Base) { return NULL; }
+ if (thread_id >= (osThreadId)os_section_id$$Limit) { return NULL; }
+ }
+#endif
+
+ ptcb = thread_id;
+
+ if (ptcb->cb_type != TCB) { return NULL; }
+
+ return ptcb;
+}
+
+/// Convert ID pointer to Object pointer
+static void *rt_id2obj (void *id) {
+
+ if ((uint32_t)id & 3U) { return NULL; }
+
+#ifdef OS_SECTIONS_LINK_INFO
+ if ((os_section_id$$Base != 0U) && (os_section_id$$Limit != 0U)) {
+ if (id < (void *)os_section_id$$Base) { return NULL; }
+ if (id >= (void *)os_section_id$$Limit) { return NULL; }
+ }
+#endif
+
+ return id;
+}
+
+
+// ==== Kernel Control ====
+
+uint8_t os_initialized; // Kernel Initialized flag
+uint8_t os_running; // Kernel Running flag
+
+// Kernel Control Service Calls declarations
+SVC_0_1(svcKernelInitialize, osStatus, RET_osStatus)
+SVC_0_1(svcKernelStart, osStatus, RET_osStatus)
+SVC_0_1(svcKernelRunning, int32_t, RET_int32_t)
+SVC_0_1(svcKernelSysTick, uint32_t, RET_uint32_t)
+
+static void sysThreadError (osStatus status);
+osThreadId svcThreadCreate (const osThreadDef_t *thread_def, void *argument, void *context);
+osMessageQId svcMessageCreate (const osMessageQDef_t *queue_def, osThreadId thread_id);
+
+// Kernel Control Service Calls
+
+/// Initialize the RTOS Kernel for creating objects
+osStatus svcKernelInitialize (void) {
+#ifdef __MBED_CMSIS_RTOS_CM
+ if (!os_initialized) {
+ rt_sys_init(); // RTX System Initialization
+ }
+#else
+ uint32_t ret;
+
+ if (os_initialized == 0U) {
+
+ // Init Thread Stack Memory (must be 8-byte aligned)
+ if (((uint32_t)os_stack_mem & 7U) != 0U) { return osErrorNoMemory; }
+ ret = rt_init_mem(os_stack_mem, os_stack_sz);
+ if (ret != 0U) { return osErrorNoMemory; }
+
+ rt_sys_init(); // RTX System Initialization
+ }
+#endif
+
+ os_tsk.run->prio = 255U; // Highest priority
+
+ if (os_initialized == 0U) {
+ // Create OS Timers resources (Message Queue & Thread)
+ osMessageQId_osTimerMessageQ = svcMessageCreate (&os_messageQ_def_osTimerMessageQ, NULL);
+ osThreadId_osTimerThread = svcThreadCreate(&os_thread_def_osTimerThread, NULL, NULL);
+ // Initialize thread mutex
+ osMutexId_osThreadMutex = osMutexCreate(osMutex(osThreadMutex));
+ }
+
+ sysThreadError(osOK);
+
+ os_initialized = 1U;
+ os_running = 0U;
+
+ return osOK;
+}
+
+/// Start the RTOS Kernel
+osStatus svcKernelStart (void) {
+
+ if (os_running) { return osOK; }
+
+ rt_tsk_prio(0U, os_tsk.run->prio_base); // Restore priority
+ if (os_tsk.run->task_id == 0xFFU) { // Idle Thread
+ __set_PSP(os_tsk.run->tsk_stack + (8U*4U)); // Setup PSP
+ }
+ if (os_tsk.new_tsk == NULL) { // Force context switch
+ os_tsk.new_tsk = os_tsk.run;
+ os_tsk.run = NULL;
+ }
+
+ rt_sys_start();
+
+ os_running = 1U;
+
+ return osOK;
+}
+
+/// Check if the RTOS kernel is already started
+int32_t svcKernelRunning (void) {
+ return (int32_t)os_running;
+}
+
+/// Get the RTOS kernel system timer counter
+uint32_t svcKernelSysTick (void) {
+ uint32_t tick, tick0;
+
+ tick = os_tick_val();
+ if (os_tick_ovf()) {
+ tick0 = os_tick_val();
+ if (tick0 < tick) { tick = tick0; }
+ tick += (os_trv + 1U) * (os_time + 1U);
+ } else {
+ tick += (os_trv + 1U) * os_time;
+ }
+
+ return tick;
+}
+
+// Kernel Control Public API
+
+/// Initialize the RTOS Kernel for creating objects
+osStatus osKernelInitialize (void) {
+ if (__get_PRIMASK() != 0U || __get_IPSR() != 0U) {
+ return osErrorISR; // Not allowed in ISR
+ }
+ if ((__get_CONTROL() & 1U) == 0U) { // Privileged mode
+ return svcKernelInitialize();
+ } else {
+ return __svcKernelInitialize();
+ }
+}
+
+/// Start the RTOS Kernel
+osStatus osKernelStart (void) {
+ uint32_t stack[8];
+
+ if (__get_PRIMASK() != 0U || __get_IPSR() != 0U) {
+ return osErrorISR; // Not allowed in ISR
+ }
+
+ /* Call the pre-start event (from unprivileged mode) if the handler exists
+ * and the kernel is not running. */
+ /* FIXME osEventObs needs to be readable but not writable from unprivileged
+ * code. */
+ if (!osKernelRunning() && osEventObs && osEventObs->pre_start) {
+ osEventObs->pre_start();
+ }
+
+ switch (__get_CONTROL() & 0x03U) {
+ case 0x00U: // Privileged Thread mode & MSP
+ __set_PSP((uint32_t)(stack + 8)); // Initial PSP
+ if (os_flags & 1U) {
+ __set_CONTROL(0x02U); // Set Privileged Thread mode & PSP
+ } else {
+ __set_CONTROL(0x03U); // Set Unprivileged Thread mode & PSP
+ }
+ __DSB();
+ __ISB();
+ break;
+ case 0x01U: // Unprivileged Thread mode & MSP
+ return osErrorOS;
+ case 0x02U: // Privileged Thread mode & PSP
+ if ((os_flags & 1U) == 0U) { // Unprivileged Thread mode requested
+ __set_CONTROL(0x03U); // Set Unprivileged Thread mode & PSP
+ __DSB();
+ __ISB();
+ }
+ break;
+ case 0x03U: // Unprivileged Thread mode & PSP
+ if (os_flags & 1U) { return osErrorOS; } // Privileged Thread mode requested
+ break;
+ }
+ return __svcKernelStart();
+}
+
+/// Check if the RTOS kernel is already started
+int32_t osKernelRunning (void) {
+ if ((__get_PRIMASK() != 0U || __get_IPSR() != 0U) || ((__get_CONTROL() & 1U) == 0U)) {
+ // in ISR or Privileged
+ return (int32_t)os_running;
+ } else {
+ return __svcKernelRunning();
+ }
+}
+
+/// Get the RTOS kernel system timer counter
+uint32_t osKernelSysTick (void) {
+ if (__get_PRIMASK() != 0U || __get_IPSR() != 0U) { return 0U; } // Not allowed in ISR
+ return __svcKernelSysTick();
+}
+
+
+// ==== Thread Management ====
+
+/// Set Thread Error (for Create functions which return IDs)
+static void sysThreadError (osStatus status) {
+ // To Do
+}
+
+__NO_RETURN void osThreadExit (void);
+
+// Thread Service Calls declarations
+SVC_3_1(svcThreadCreate, osThreadId, const osThreadDef_t *, void *, void *, RET_pointer)
+SVC_0_1(svcThreadGetId, osThreadId, RET_pointer)
+SVC_1_1(svcThreadTerminate, osStatus, osThreadId, RET_osStatus)
+SVC_0_1(svcThreadYield, osStatus, RET_osStatus)
+SVC_2_1(svcThreadSetPriority, osStatus, osThreadId, osPriority, RET_osStatus)
+SVC_1_1(svcThreadGetPriority, osPriority, osThreadId, RET_osPriority)
+SVC_2_3(svcThreadGetInfo, os_InRegs osEvent, osThreadId, osThreadInfo, RET_osEvent)
+
+// Thread Service Calls
+
+/// Create a thread and add it to Active Threads and set it to state READY
+osThreadId svcThreadCreate (const osThreadDef_t *thread_def, void *argument, void *context) {
+ P_TCB ptcb;
+ OS_TID tsk;
+ void *stk;
+
+ if ((thread_def == NULL) ||
+ (thread_def->pthread == NULL) ||
+ (thread_def->tpriority < osPriorityIdle) ||
+ (thread_def->tpriority > osPriorityRealtime)) {
+ sysThreadError(osErrorParameter);
+ return NULL;
+ }
+
+#ifdef __MBED_CMSIS_RTOS_CM
+ if (thread_def->stacksize != 0) { // Custom stack size
+ stk = (void *)thread_def->stack_pointer;
+ } else { // Default stack size
+ stk = NULL;
+ }
+#else
+ if (thread_def->stacksize != 0) { // Custom stack size
+ stk = rt_alloc_mem( // Allocate stack
+ os_stack_mem,
+ thread_def->stacksize
+ );
+ if (stk == NULL) {
+ sysThreadError(osErrorNoMemory); // Out of memory
+ return NULL;
+ }
+ } else { // Default stack size
+ stk = NULL;
+ }
+#endif
+
+ tsk = rt_tsk_create( // Create task
+ (FUNCP)thread_def->pthread, // Task function pointer
+ (uint32_t)
+ (thread_def->tpriority-osPriorityIdle+1) | // Task priority
+ (thread_def->stacksize << 8), // Task stack size in bytes
+ stk, // Pointer to task's stack
+ argument // Argument to the task
+ );
+
+ if (tsk == 0U) { // Invalid task ID
+#ifndef __MBED_CMSIS_RTOS_CM
+ if (stk != NULL) {
+ rt_free_mem(os_stack_mem, stk); // Free allocated stack
+ }
+#endif
+ sysThreadError(osErrorNoMemory); // Create task failed (Out of memory)
+ return NULL;
+ }
+
+ ptcb = (P_TCB)os_active_TCB[tsk - 1U]; // TCB pointer
+
+ *((uint32_t *)ptcb->tsk_stack + 13) = (uint32_t)osThreadExit;
+
+ if (osEventObs && osEventObs->thread_create) {
+ ptcb->context = osEventObs->thread_create(ptcb->task_id, context);
+ } else {
+ ptcb->context = context;
+ }
+
+ return ptcb;
+}
+
+/// Return the thread ID of the current running thread
+osThreadId svcThreadGetId (void) {
+ OS_TID tsk;
+
+ tsk = rt_tsk_self();
+ if (tsk == 0U) { return NULL; }
+ return (P_TCB)os_active_TCB[tsk - 1U];
+}
+
+/// Terminate execution of a thread and remove it from ActiveThreads
+osStatus svcThreadTerminate (osThreadId thread_id) {
+ OS_RESULT res;
+ P_TCB ptcb;
+#ifndef __MBED_CMSIS_RTOS_CM
+ void *stk;
+#endif
+
+ ptcb = rt_tid2ptcb(thread_id); // Get TCB pointer
+ if (ptcb == NULL) {
+ return osErrorParameter;
+ }
+
+#ifndef __MBED_CMSIS_RTOS_CM
+ stk = ptcb->priv_stack ? ptcb->stack : NULL; // Private stack
+#endif
+
+ if (osEventObs && osEventObs->thread_destroy) {
+ osEventObs->thread_destroy(ptcb->context);
+ }
+
+ res = rt_tsk_delete(ptcb->task_id); // Delete task
+
+ if (res == OS_R_NOK) {
+ return osErrorResource; // Delete task failed
+ }
+
+#ifndef __MBED_CMSIS_RTOS_CM
+ if (stk != NULL) {
+ rt_free_mem(os_stack_mem, stk); // Free private stack
+ }
+#endif
+
+ return osOK;
+}
+
+/// Pass control to next thread that is in state READY
+osStatus svcThreadYield (void) {
+ rt_tsk_pass(); // Pass control to next task
+ return osOK;
+}
+
+/// Change priority of an active thread
+osStatus svcThreadSetPriority (osThreadId thread_id, osPriority priority) {
+ OS_RESULT res;
+ P_TCB ptcb;
+
+ ptcb = rt_tid2ptcb(thread_id); // Get TCB pointer
+ if (ptcb == NULL) {
+ return osErrorParameter;
+ }
+
+ if ((priority < osPriorityIdle) || (priority > osPriorityRealtime)) {
+ return osErrorValue;
+ }
+
+ res = rt_tsk_prio( // Change task priority
+ ptcb->task_id, // Task ID
+ (uint8_t)(priority - osPriorityIdle + 1) // New task priority
+ );
+
+ if (res == OS_R_NOK) {
+ return osErrorResource; // Change task priority failed
+ }
+
+ return osOK;
+}
+
+/// Get current priority of an active thread
+osPriority svcThreadGetPriority (osThreadId thread_id) {
+ P_TCB ptcb;
+
+ ptcb = rt_tid2ptcb(thread_id); // Get TCB pointer
+ if (ptcb == NULL) {
+ return osPriorityError;
+ }
+
+ return (osPriority)(ptcb->prio - 1 + osPriorityIdle);
+}
+
+/// Get info from an active thread
+os_InRegs osEvent_type svcThreadGetInfo (osThreadId thread_id, osThreadInfo info) {
+ P_TCB ptcb;
+ osEvent ret;
+ ret.status = osOK;
+
+ ptcb = rt_tid2ptcb(thread_id); // Get TCB pointer
+ if (ptcb == NULL) {
+ ret.status = osErrorValue;
+ return osEvent_ret_status;
+ }
+
+ if (osThreadInfoStackSize == info) {
+ uint32_t size;
+ size = ptcb->priv_stack;
+ if (0 == size) {
+ // This is an OS task - always a fixed size
+ size = os_stackinfo & 0x3FFFF;
+ }
+ ret.value.v = size;
+ return osEvent_ret_value;
+ }
+
+ if (osThreadInfoStackMax == info) {
+ uint32_t i;
+ uint32_t *stack_ptr;
+ uint32_t stack_size;
+ if (!(os_stackinfo & (1 << 28))) {
+ // Stack init must be turned on for max stack usage
+ ret.status = osErrorResource;
+ return osEvent_ret_status;
+ }
+ stack_ptr = (uint32_t*)ptcb->stack;
+ stack_size = ptcb->priv_stack;
+ if (0 == stack_size) {
+ // This is an OS task - always a fixed size
+ stack_size = os_stackinfo & 0x3FFFF;
+ }
+ for (i = 1; i <stack_size / 4; i++) {
+ if (stack_ptr[i] != MAGIC_PATTERN) {
+ break;
+ }
+ }
+ ret.value.v = stack_size - i * 4;
+ return osEvent_ret_value;
+ }
+
+ if (osThreadInfoEntry == info) {
+ ret.value.p = (void*)ptcb->ptask;
+ return osEvent_ret_value;
+ }
+
+ if (osThreadInfoArg == info) {
+ ret.value.p = (void*)ptcb->argv;
+ return osEvent_ret_value;
+ }
+
+ // Unsupported option so return error
+ ret.status = osErrorParameter;
+ return osEvent_ret_status;
+}
+
+// Thread Public API
+
+/// Create a thread and add it to Active Threads and set it to state READY
+osThreadId osThreadCreate (const osThreadDef_t *thread_def, void *argument) {
+ return osThreadContextCreate(thread_def, argument, NULL);
+}
+osThreadId osThreadContextCreate (const osThreadDef_t *thread_def, void *argument, void *context) {
+ if (__get_PRIMASK() != 0U || __get_IPSR() != 0U) {
+ return NULL; // Not allowed in ISR
+ }
+ if (((__get_CONTROL() & 1U) == 0U) && (os_running == 0U)) {
+ // Privileged and not running
+ return svcThreadCreate(thread_def, argument, context);
+ } else {
+ osThreadId id;
+ osMutexWait(osMutexId_osThreadMutex, osWaitForever);
+ // Thread mutex must be held when a thread is created or terminated
+ id = __svcThreadCreate(thread_def, argument, context);
+ osMutexRelease(osMutexId_osThreadMutex);
+ return id;
+ }
+}
+
+/// Return the thread ID of the current running thread
+osThreadId osThreadGetId (void) {
+ if (__get_PRIMASK() != 0U || __get_IPSR() != 0U) {
+ return NULL; // Not allowed in ISR
+ }
+ return __svcThreadGetId();
+}
+
+/// Terminate execution of a thread and remove it from ActiveThreads
+osStatus osThreadTerminate (osThreadId thread_id) {
+ osStatus status;
+ if (__get_PRIMASK() != 0U || __get_IPSR() != 0U) {
+ return osErrorISR; // Not allowed in ISR
+ }
+ osMutexWait(osMutexId_osThreadMutex, osWaitForever);
+ sysThreadTerminate(thread_id);
+ // Thread mutex must be held when a thread is created or terminated
+ status = __svcThreadTerminate(thread_id);
+ osMutexRelease(osMutexId_osThreadMutex);
+ return status;
+}
+
+/// Pass control to next thread that is in state READY
+osStatus osThreadYield (void) {
+ if (__get_PRIMASK() != 0U || __get_IPSR() != 0U) {
+ return osErrorISR; // Not allowed in ISR
+ }
+ return __svcThreadYield();
+}
+
+/// Change priority of an active thread
+osStatus osThreadSetPriority (osThreadId thread_id, osPriority priority) {
+ if (__get_PRIMASK() != 0U || __get_IPSR() != 0U) {
+ return osErrorISR; // Not allowed in ISR
+ }
+ return __svcThreadSetPriority(thread_id, priority);
+}
+
+/// Get current priority of an active thread
+osPriority osThreadGetPriority (osThreadId thread_id) {
+ if (__get_PRIMASK() != 0U || __get_IPSR() != 0U) {
+ return osPriorityError; // Not allowed in ISR
+ }
+ return __svcThreadGetPriority(thread_id);
+}
+
+/// INTERNAL - Not Public
+/// Auto Terminate Thread on exit (used implicitly when thread exists)
+__NO_RETURN void osThreadExit (void) {
+ osThreadId id;
+ // Thread mutex must be held when a thread is created or terminated
+ // Note - the mutex will be released automatically by the os when
+ // the thread is terminated
+ osMutexWait(osMutexId_osThreadMutex, osWaitForever);
+ id = __svcThreadGetId();
+ sysThreadTerminate(id);
+ __svcThreadTerminate(id);
+ for (;;); // Should never come here
+}
+
+#ifdef __MBED_CMSIS_RTOS_CM
+/// Get current thread state
+uint8_t osThreadGetState (osThreadId thread_id) {
+ P_TCB ptcb;
+
+ if (__get_PRIMASK() != 0U || __get_IPSR() != 0U) return osErrorISR; // Not allowed in ISR
+
+ ptcb = rt_tid2ptcb(thread_id); // Get TCB pointer
+ if (ptcb == NULL) return INACTIVE;
+
+ return ptcb->state;
+}
+#endif
+
+/// Get the requested info from the specified active thread
+os_InRegs osEvent _osThreadGetInfo(osThreadId thread_id, osThreadInfo info) {
+ osEvent ret;
+
+ if (__get_IPSR() != 0U) { // Not allowed in ISR
+ ret.status = osErrorISR;
+ return ret;
+ }
+ return __svcThreadGetInfo(thread_id, info);
+}
+
+osThreadEnumId _osThreadsEnumStart() {
+ static uint32_t thread_enum_index;
+ osMutexWait(osMutexId_osThreadMutex, osWaitForever);
+ thread_enum_index = 0;
+ return &thread_enum_index;
+}
+
+osThreadId _osThreadEnumNext(osThreadEnumId enum_id) {
+ uint32_t i;
+ osThreadId id = NULL;
+ uint32_t *index = (uint32_t*)enum_id;
+ for (i = *index; i < os_maxtaskrun; i++) {
+ if (os_active_TCB[i] != NULL) {
+ id = (osThreadId)os_active_TCB[i];
+ break;
+ }
+ }
+ if (i == os_maxtaskrun) {
+ // Include the idle task at the end of the enumeration
+ id = &os_idle_TCB;
+ }
+ *index = i + 1;
+ return id;
+}
+
+osStatus _osThreadEnumFree(osThreadEnumId enum_id) {
+ uint32_t *index = (uint32_t*)enum_id;
+ *index = 0;
+ osMutexRelease(osMutexId_osThreadMutex);
+ return osOK;
+}
+
+// ==== Generic Wait Functions ====
+
+// Generic Wait Service Calls declarations
+SVC_1_1(svcDelay, osStatus, uint32_t, RET_osStatus)
+#if osFeature_Wait != 0
+SVC_1_3(svcWait, os_InRegs osEvent, uint32_t, RET_osEvent)
+#endif
+
+// Generic Wait Service Calls
+
+/// Wait for Timeout (Time Delay)
+osStatus svcDelay (uint32_t millisec) {
+ if (millisec == 0U) { return osOK; }
+ rt_dly_wait(rt_ms2tick(millisec));
+ return osEventTimeout;
+}
+
+/// Wait for Signal, Message, Mail, or Timeout
+#if osFeature_Wait != 0
+os_InRegs osEvent_type svcWait (uint32_t millisec) {
+ osEvent ret;
+
+ if (millisec == 0U) {
+ ret.status = osOK;
+ return osEvent_ret_status;
+ }
+
+ /* To Do: osEventSignal, osEventMessage, osEventMail */
+ rt_dly_wait(rt_ms2tick(millisec));
+ ret.status = osEventTimeout;
+
+ return osEvent_ret_status;
+}
+#endif
+
+
+// Generic Wait API
+
+/// Wait for Timeout (Time Delay)
+osStatus osDelay (uint32_t millisec) {
+ if (__get_PRIMASK() != 0U || __get_IPSR() != 0U) {
+ return osErrorISR; // Not allowed in ISR
+ }
+ return __svcDelay(millisec);
+}
+
+/// Wait for Signal, Message, Mail, or Timeout
+os_InRegs osEvent osWait (uint32_t millisec) {
+ osEvent ret;
+
+#if osFeature_Wait == 0
+ ret.status = osErrorOS;
+ return ret;
+#else
+ if (__get_PRIMASK() != 0U || __get_IPSR() != 0U) { // Not allowed in ISR
+ ret.status = osErrorISR;
+ return ret;
+ }
+ return __svcWait(millisec);
+#endif
+}
+
+
+// ==== Timer Management ====
+
+// Timer definitions
+#define osTimerInvalid 0U
+#define osTimerStopped 1U
+#define osTimerRunning 2U
+
+// Timer structures
+
+typedef struct os_timer_cb_ { // Timer Control Block
+ struct os_timer_cb_ *next; // Pointer to next active Timer
+ uint8_t state; // Timer State
+ uint8_t type; // Timer Type (Periodic/One-shot)
+ uint16_t reserved; // Reserved
+ uint32_t tcnt; // Timer Delay Count
+ uint32_t icnt; // Timer Initial Count
+ void *arg; // Timer Function Argument
+ const osTimerDef_t *timer; // Pointer to Timer definition
+} os_timer_cb;
+
+// Timer variables
+os_timer_cb *os_timer_head; // Pointer to first active Timer
+
+
+// Timer Helper Functions
+
+// Insert Timer into the list sorted by time
+static void rt_timer_insert (os_timer_cb *pt, uint32_t tcnt) {
+ os_timer_cb *p, *prev;
+
+ prev = NULL;
+ p = os_timer_head;
+ while (p != NULL) {
+ if (tcnt < p->tcnt) { break; }
+ tcnt -= p->tcnt;
+ prev = p;
+ p = p->next;
+ }
+ pt->next = p;
+ pt->tcnt = tcnt;
+ if (p != NULL) {
+ p->tcnt -= pt->tcnt;
+ }
+ if (prev != NULL) {
+ prev->next = pt;
+ } else {
+ os_timer_head = pt;
+ }
+}
+
+// Remove Timer from the list
+static int32_t rt_timer_remove (os_timer_cb *pt) {
+ os_timer_cb *p, *prev;
+
+ prev = NULL;
+ p = os_timer_head;
+ while (p != NULL) {
+ if (p == pt) { break; }
+ prev = p;
+ p = p->next;
+ }
+ if (p == NULL) { return -1; }
+ if (prev != NULL) {
+ prev->next = pt->next;
+ } else {
+ os_timer_head = pt->next;
+ }
+ if (pt->next != NULL) {
+ pt->next->tcnt += pt->tcnt;
+ }
+
+ return 0;
+}
+
+
+// Timer Service Calls declarations
+SVC_3_1(svcTimerCreate, osTimerId, const osTimerDef_t *, os_timer_type, void *, RET_pointer)
+SVC_2_1(svcTimerStart, osStatus, osTimerId, uint32_t, RET_osStatus)
+SVC_1_1(svcTimerStop, osStatus, osTimerId, RET_osStatus)
+SVC_1_1(svcTimerDelete, osStatus, osTimerId, RET_osStatus)
+SVC_1_2(svcTimerCall, os_InRegs osCallback, osTimerId, RET_osCallback)
+
+// Timer Management Service Calls
+
+/// Create timer
+osTimerId svcTimerCreate (const osTimerDef_t *timer_def, os_timer_type type, void *argument) {
+ os_timer_cb *pt;
+
+ if ((timer_def == NULL) || (timer_def->ptimer == NULL)) {
+ sysThreadError(osErrorParameter);
+ return NULL;
+ }
+
+ pt = timer_def->timer;
+ if (pt == NULL) {
+ sysThreadError(osErrorParameter);
+ return NULL;
+ }
+
+ if ((type != osTimerOnce) && (type != osTimerPeriodic)) {
+ sysThreadError(osErrorValue);
+ return NULL;
+ }
+
+ if (osThreadId_osTimerThread == NULL) {
+ sysThreadError(osErrorResource);
+ return NULL;
+ }
+
+ if (pt->state != osTimerInvalid){
+ sysThreadError(osErrorResource);
+ return NULL;
+ }
+
+ pt->next = NULL;
+ pt->state = osTimerStopped;
+ pt->type = (uint8_t)type;
+ pt->arg = argument;
+ pt->timer = timer_def;
+
+ return (osTimerId)pt;
+}
+
+/// Start or restart timer
+osStatus svcTimerStart (osTimerId timer_id, uint32_t millisec) {
+ os_timer_cb *pt;
+ uint32_t tcnt;
+
+ pt = rt_id2obj(timer_id);
+ if (pt == NULL) {
+ return osErrorParameter;
+ }
+
+ if (millisec == 0U) { return osErrorValue; }
+
+ tcnt = (uint32_t)(((1000U * (uint64_t)millisec) + os_clockrate - 1U) / os_clockrate);
+
+ switch (pt->state) {
+ case osTimerRunning:
+ if (rt_timer_remove(pt) != 0) {
+ return osErrorResource;
+ }
+ break;
+ case osTimerStopped:
+ pt->state = osTimerRunning;
+ pt->icnt = tcnt;
+ break;
+ default:
+ return osErrorResource;
+ }
+
+ rt_timer_insert(pt, tcnt);
+
+ return osOK;
+}
+
+/// Stop timer
+osStatus svcTimerStop (osTimerId timer_id) {
+ os_timer_cb *pt;
+
+ pt = rt_id2obj(timer_id);
+ if (pt == NULL) {
+ return osErrorParameter;
+ }
+
+ if (pt->state != osTimerRunning) { return osErrorResource; }
+
+ pt->state = osTimerStopped;
+
+ if (rt_timer_remove(pt) != 0) {
+ return osErrorResource;
+ }
+
+ return osOK;
+}
+
+/// Delete timer
+osStatus svcTimerDelete (osTimerId timer_id) {
+ os_timer_cb *pt;
+
+ pt = rt_id2obj(timer_id);
+ if (pt == NULL) {
+ return osErrorParameter;
+ }
+
+ switch (pt->state) {
+ case osTimerRunning:
+ rt_timer_remove(pt);
+ break;
+ case osTimerStopped:
+ break;
+ default:
+ return osErrorResource;
+ }
+
+ pt->state = osTimerInvalid;
+
+ return osOK;
+}
+
+/// Get timer callback parameters
+os_InRegs osCallback_type svcTimerCall (osTimerId timer_id) {
+ os_timer_cb *pt;
+ osCallback ret;
+
+ pt = rt_id2obj(timer_id);
+ if (pt == NULL) {
+ ret.fp = NULL;
+ ret.arg = NULL;
+ return osCallback_ret;
+ }
+
+ ret.fp = (void *)pt->timer->ptimer;
+ ret.arg = pt->arg;
+
+ return osCallback_ret;
+}
+
+osStatus isrMessagePut (osMessageQId queue_id, uint32_t info, uint32_t millisec);
+
+/// Timer Tick (called each SysTick)
+void sysTimerTick (void) {
+ os_timer_cb *pt, *p;
+ osStatus status;
+
+ p = os_timer_head;
+ if (p == NULL) { return; }
+
+ p->tcnt--;
+ while ((p != NULL) && (p->tcnt == 0U)) {
+ pt = p;
+ p = p->next;
+ os_timer_head = p;
+ status = isrMessagePut(osMessageQId_osTimerMessageQ, (uint32_t)pt, 0U);
+ if (status != osOK) {
+ os_error(OS_ERR_TIMER_OVF);
+ }
+ if (pt->type == (uint8_t)osTimerPeriodic) {
+ rt_timer_insert(pt, pt->icnt);
+ } else {
+ pt->state = osTimerStopped;
+ }
+ }
+}
+
+/// Get user timers wake-up time
+uint32_t sysUserTimerWakeupTime (void) {
+
+ if (os_timer_head) {
+ return os_timer_head->tcnt;
+ }
+ return 0xFFFFFFFFU;
+}
+
+/// Update user timers on resume
+void sysUserTimerUpdate (uint32_t sleep_time) {
+
+ while ((os_timer_head != NULL) && (sleep_time != 0U)) {
+ if (sleep_time >= os_timer_head->tcnt) {
+ sleep_time -= os_timer_head->tcnt;
+ os_timer_head->tcnt = 1U;
+ sysTimerTick();
+ } else {
+ os_timer_head->tcnt -= sleep_time;
+ break;
+ }
+ }
+}
+
+
+// Timer Management Public API
+
+/// Create timer
+osTimerId osTimerCreate (const osTimerDef_t *timer_def, os_timer_type type, void *argument) {
+ if (__get_PRIMASK() != 0U || __get_IPSR() != 0U) {
+ return NULL; // Not allowed in ISR
+ }
+ if (((__get_CONTROL() & 1U) == 0U) && (os_running == 0U)) {
+ // Privileged and not running
+ return svcTimerCreate(timer_def, type, argument);
+ } else {
+ return __svcTimerCreate(timer_def, type, argument);
+ }
+}
+
+/// Start or restart timer
+osStatus osTimerStart (osTimerId timer_id, uint32_t millisec) {
+ if (__get_PRIMASK() != 0U || __get_IPSR() != 0U) {
+ return osErrorISR; // Not allowed in ISR
+ }
+ return __svcTimerStart(timer_id, millisec);
+}
+
+/// Stop timer
+osStatus osTimerStop (osTimerId timer_id) {
+ if (__get_PRIMASK() != 0U || __get_IPSR() != 0U) {
+ return osErrorISR; // Not allowed in ISR
+ }
+ return __svcTimerStop(timer_id);
+}
+
+/// Delete timer
+osStatus osTimerDelete (osTimerId timer_id) {
+ if (__get_PRIMASK() != 0U || __get_IPSR() != 0U) {
+ return osErrorISR; // Not allowed in ISR
+ }
+ return __svcTimerDelete(timer_id);
+}
+
+/// INTERNAL - Not Public
+/// Get timer callback parameters (used by OS Timer Thread)
+os_InRegs osCallback osTimerCall (osTimerId timer_id) {
+ return __svcTimerCall(timer_id);
+}
+
+
+// Timer Thread
+__NO_RETURN void osTimerThread (void const *argument) {
+ osCallback cb;
+ osEvent evt;
+
+ for (;;) {
+ evt = osMessageGet(osMessageQId_osTimerMessageQ, osWaitForever);
+ if (evt.status == osEventMessage) {
+ cb = osTimerCall(evt.value.p);
+ if (cb.fp != NULL) {
+ (*(os_ptimer)cb.fp)(cb.arg);
+ }
+ }
+ }
+}
+
+
+// ==== Signal Management ====
+
+// Signal Service Calls declarations
+SVC_2_1(svcSignalSet, int32_t, osThreadId, int32_t, RET_int32_t)
+SVC_2_1(svcSignalClear, int32_t, osThreadId, int32_t, RET_int32_t)
+SVC_2_3(svcSignalWait, os_InRegs osEvent, int32_t, uint32_t, RET_osEvent)
+
+// Signal Service Calls
+
+/// Set the specified Signal Flags of an active thread
+int32_t svcSignalSet (osThreadId thread_id, int32_t signals) {
+ P_TCB ptcb;
+ int32_t sig;
+
+ ptcb = rt_tid2ptcb(thread_id); // Get TCB pointer
+ if (ptcb == NULL) {
+ return (int32_t)0x80000000U;
+ }
+
+ if ((uint32_t)signals & (0xFFFFFFFFU << osFeature_Signals)) {
+ return (int32_t)0x80000000U;
+ }
+
+ sig = (int32_t)ptcb->events; // Previous signal flags
+
+ rt_evt_set((uint16_t)signals, ptcb->task_id); // Set event flags
+
+ return sig;
+}
+
+/// Clear the specified Signal Flags of an active thread
+int32_t svcSignalClear (osThreadId thread_id, int32_t signals) {
+ P_TCB ptcb;
+ int32_t sig;
+
+ ptcb = rt_tid2ptcb(thread_id); // Get TCB pointer
+ if (ptcb == NULL) {
+ return (int32_t)0x80000000U;
+ }
+
+ if ((uint32_t)signals & (0xFFFFFFFFU << osFeature_Signals)) {
+ return (int32_t)0x80000000U;
+ }
+
+ sig = (int32_t)ptcb->events; // Previous signal flags
+
+ rt_evt_clr((uint16_t)signals, ptcb->task_id); // Clear event flags
+
+ return sig;
+}
+
+/// Wait for one or more Signal Flags to become signaled for the current RUNNING thread
+os_InRegs osEvent_type svcSignalWait (int32_t signals, uint32_t millisec) {
+ OS_RESULT res;
+ osEvent ret;
+
+ if ((uint32_t)signals & (0xFFFFFFFFU << osFeature_Signals)) {
+ ret.status = osErrorValue;
+ return osEvent_ret_status;
+ }
+
+ if (signals != 0) { // Wait for all specified signals
+ res = rt_evt_wait((uint16_t)signals, rt_ms2tick(millisec), __TRUE);
+ } else { // Wait for any signal
+ res = rt_evt_wait(0xFFFFU, rt_ms2tick(millisec), __FALSE);
+ }
+
+ if (res == OS_R_EVT) {
+ ret.status = osEventSignal;
+ ret.value.signals = (signals != 0) ? signals : (int32_t)os_tsk.run->waits;
+ } else {
+ ret.status = (millisec != 0U) ? osEventTimeout : osOK;
+ ret.value.signals = 0;
+ }
+
+ return osEvent_ret_value;
+}
+
+
+// Signal ISR Calls
+
+/// Set the specified Signal Flags of an active thread
+int32_t isrSignalSet (osThreadId thread_id, int32_t signals) {
+ P_TCB ptcb;
+ int32_t sig;
+
+ ptcb = rt_tid2ptcb(thread_id); // Get TCB pointer
+ if (ptcb == NULL) {
+ return (int32_t)0x80000000U;
+ }
+
+ if ((uint32_t)signals & (0xFFFFFFFFU << osFeature_Signals)) {
+ return (int32_t)0x80000000U;
+ }
+
+ sig = (int32_t)ptcb->events; // Previous signal flags
+
+ isr_evt_set((uint16_t)signals, ptcb->task_id);// Set event flags
+
+ return sig;
+}
+
+
+// Signal Public API
+
+/// Set the specified Signal Flags of an active thread
+int32_t osSignalSet (osThreadId thread_id, int32_t signals) {
+ if (__get_PRIMASK() != 0U || __get_IPSR() != 0U) { // in ISR
+ return isrSignalSet(thread_id, signals);
+ } else { // in Thread
+ return __svcSignalSet(thread_id, signals);
+ }
+}
+
+/// Clear the specified Signal Flags of an active thread
+int32_t osSignalClear (osThreadId thread_id, int32_t signals) {
+ if (__get_PRIMASK() != 0U || __get_IPSR() != 0U) {
+ return (int32_t)0x80000000U; // Not allowed in ISR
+ }
+ return __svcSignalClear(thread_id, signals);
+}
+
+/// Wait for one or more Signal Flags to become signaled for the current RUNNING thread
+os_InRegs osEvent osSignalWait (int32_t signals, uint32_t millisec) {
+ osEvent ret;
+
+ if (__get_PRIMASK() != 0U || __get_IPSR() != 0U) { // Not allowed in ISR
+ ret.status = osErrorISR;
+ return ret;
+ }
+ return __svcSignalWait(signals, millisec);
+}
+
+
+// ==== Mutex Management ====
+
+// Mutex Service Calls declarations
+SVC_1_1(svcMutexCreate, osMutexId, const osMutexDef_t *, RET_pointer)
+SVC_2_1(svcMutexWait, osStatus, osMutexId, uint32_t, RET_osStatus)
+SVC_1_1(svcMutexRelease, osStatus, osMutexId, RET_osStatus)
+SVC_1_1(svcMutexDelete, osStatus, osMutexId, RET_osStatus)
+
+// Mutex Service Calls
+
+/// Create and Initialize a Mutex object
+osMutexId svcMutexCreate (const osMutexDef_t *mutex_def) {
+ OS_ID mut;
+
+ if (mutex_def == NULL) {
+ sysThreadError(osErrorParameter);
+ return NULL;
+ }
+
+ mut = mutex_def->mutex;
+ if (mut == NULL) {
+ sysThreadError(osErrorParameter);
+ return NULL;
+ }
+
+ if (((P_MUCB)mut)->cb_type != 0U) {
+ sysThreadError(osErrorParameter);
+ return NULL;
+ }
+
+ rt_mut_init(mut); // Initialize Mutex
+
+ return mut;
+}
+
+/// Wait until a Mutex becomes available
+osStatus svcMutexWait (osMutexId mutex_id, uint32_t millisec) {
+ OS_ID mut;
+ OS_RESULT res;
+
+ mut = rt_id2obj(mutex_id);
+ if (mut == NULL) {
+ return osErrorParameter;
+ }
+
+ if (((P_MUCB)mut)->cb_type != MUCB) {
+ return osErrorParameter;
+ }
+
+ res = rt_mut_wait(mut, rt_ms2tick(millisec)); // Wait for Mutex
+
+ if (res == OS_R_TMO) {
+ return ((millisec != 0U) ? osErrorTimeoutResource : osErrorResource);
+ }
+
+ return osOK;
+}
+
+/// Release a Mutex that was obtained with osMutexWait
+osStatus svcMutexRelease (osMutexId mutex_id) {
+ OS_ID mut;
+ OS_RESULT res;
+
+ mut = rt_id2obj(mutex_id);
+ if (mut == NULL) {
+ return osErrorParameter;
+ }
+
+ if (((P_MUCB)mut)->cb_type != MUCB) {
+ return osErrorParameter;
+ }
+
+ res = rt_mut_release(mut); // Release Mutex
+
+ if (res == OS_R_NOK) {
+ return osErrorResource; // Thread not owner or Zero Counter
+ }
+
+ return osOK;
+}
+
+/// Delete a Mutex that was created by osMutexCreate
+osStatus svcMutexDelete (osMutexId mutex_id) {
+ OS_ID mut;
+
+ mut = rt_id2obj(mutex_id);
+ if (mut == NULL) {
+ return osErrorParameter;
+ }
+
+ if (((P_MUCB)mut)->cb_type != MUCB) {
+ return osErrorParameter;
+ }
+
+ rt_mut_delete(mut); // Release Mutex
+
+ return osOK;
+}
+
+
+// Mutex Public API
+
+/// Create and Initialize a Mutex object
+osMutexId osMutexCreate (const osMutexDef_t *mutex_def) {
+ if (__get_PRIMASK() != 0U || __get_IPSR() != 0U) {
+ return NULL; // Not allowed in ISR
+ }
+ if (((__get_CONTROL() & 1U) == 0U) && (os_running == 0U)) {
+ // Privileged and not running
+ return svcMutexCreate(mutex_def);
+ } else {
+ return __svcMutexCreate(mutex_def);
+ }
+}
+
+/// Wait until a Mutex becomes available
+osStatus osMutexWait (osMutexId mutex_id, uint32_t millisec) {
+ if (__get_PRIMASK() != 0U || __get_IPSR() != 0U) {
+ return osErrorISR; // Not allowed in ISR
+ }
+ return __svcMutexWait(mutex_id, millisec);
+}
+
+/// Release a Mutex that was obtained with osMutexWait
+osStatus osMutexRelease (osMutexId mutex_id) {
+ if (__get_PRIMASK() != 0U || __get_IPSR() != 0U) {
+ return osErrorISR; // Not allowed in ISR
+ }
+ return __svcMutexRelease(mutex_id);
+}
+
+/// Delete a Mutex that was created by osMutexCreate
+osStatus osMutexDelete (osMutexId mutex_id) {
+ if (__get_PRIMASK() != 0U || __get_IPSR() != 0U) {
+ return osErrorISR; // Not allowed in ISR
+ }
+ return __svcMutexDelete(mutex_id);
+}
+
+
+// ==== Semaphore Management ====
+
+// Semaphore Service Calls declarations
+SVC_2_1(svcSemaphoreCreate, osSemaphoreId, const osSemaphoreDef_t *, int32_t, RET_pointer)
+SVC_2_1(svcSemaphoreWait, int32_t, osSemaphoreId, uint32_t, RET_int32_t)
+SVC_1_1(svcSemaphoreRelease, osStatus, osSemaphoreId, RET_osStatus)
+SVC_1_1(svcSemaphoreDelete, osStatus, osSemaphoreId, RET_osStatus)
+
+// Semaphore Service Calls
+
+/// Create and Initialize a Semaphore object
+osSemaphoreId svcSemaphoreCreate (const osSemaphoreDef_t *semaphore_def, int32_t count) {
+ OS_ID sem;
+
+ if (semaphore_def == NULL) {
+ sysThreadError(osErrorParameter);
+ return NULL;
+ }
+
+ sem = semaphore_def->semaphore;
+ if (sem == NULL) {
+ sysThreadError(osErrorParameter);
+ return NULL;
+ }
+
+ if (((P_SCB)sem)->cb_type != 0U) {
+ sysThreadError(osErrorParameter);
+ return NULL;
+ }
+
+ if (count > osFeature_Semaphore) {
+ sysThreadError(osErrorValue);
+ return NULL;
+ }
+
+ rt_sem_init(sem, (uint16_t)count); // Initialize Semaphore
+
+ return sem;
+}
+
+/// Wait until a Semaphore becomes available
+int32_t svcSemaphoreWait (osSemaphoreId semaphore_id, uint32_t millisec) {
+ OS_ID sem;
+ OS_RESULT res;
+
+ sem = rt_id2obj(semaphore_id);
+ if (sem == NULL) {
+ return -1;
+ }
+
+ if (((P_SCB)sem)->cb_type != SCB) {
+ return -1;
+ }
+
+ res = rt_sem_wait(sem, rt_ms2tick(millisec)); // Wait for Semaphore
+
+ if (res == OS_R_TMO) { return 0; } // Timeout
+
+ return (int32_t)(((P_SCB)sem)->tokens + 1U);
+}
+
+/// Release a Semaphore
+osStatus svcSemaphoreRelease (osSemaphoreId semaphore_id) {
+ OS_ID sem;
+
+ sem = rt_id2obj(semaphore_id);
+ if (sem == NULL) {
+ return osErrorParameter;
+ }
+
+ if (((P_SCB)sem)->cb_type != SCB) {
+ return osErrorParameter;
+ }
+
+ if ((int32_t)((P_SCB)sem)->tokens == osFeature_Semaphore) {
+ return osErrorResource;
+ }
+
+ rt_sem_send(sem); // Release Semaphore
+
+ return osOK;
+}
+
+/// Delete a Semaphore that was created by osSemaphoreCreate
+osStatus svcSemaphoreDelete (osSemaphoreId semaphore_id) {
+ OS_ID sem;
+
+ sem = rt_id2obj(semaphore_id);
+ if (sem == NULL) {
+ return osErrorParameter;
+ }
+
+ if (((P_SCB)sem)->cb_type != SCB) {
+ return osErrorParameter;
+ }
+
+ rt_sem_delete(sem); // Delete Semaphore
+
+ return osOK;
+}
+
+
+// Semaphore ISR Calls
+
+/// Release a Semaphore
+osStatus isrSemaphoreRelease (osSemaphoreId semaphore_id) {
+ OS_ID sem;
+
+ sem = rt_id2obj(semaphore_id);
+ if (sem == NULL) {
+ return osErrorParameter;
+ }
+
+ if (((P_SCB)sem)->cb_type != SCB) {
+ return osErrorParameter;
+ }
+
+ if ((int32_t)((P_SCB)sem)->tokens == osFeature_Semaphore) {
+ return osErrorResource;
+ }
+
+ isr_sem_send(sem); // Release Semaphore
+
+ return osOK;
+}
+
+
+// Semaphore Public API
+
+/// Create and Initialize a Semaphore object
+osSemaphoreId osSemaphoreCreate (const osSemaphoreDef_t *semaphore_def, int32_t count) {
+ if (__get_PRIMASK() != 0U || __get_IPSR() != 0U) {
+ return NULL; // Not allowed in ISR
+ }
+ if (((__get_CONTROL() & 1U) == 0U) && (os_running == 0U)) {
+ // Privileged and not running
+ return svcSemaphoreCreate(semaphore_def, count);
+ } else {
+ return __svcSemaphoreCreate(semaphore_def, count);
+ }
+}
+
+/// Wait until a Semaphore becomes available
+int32_t osSemaphoreWait (osSemaphoreId semaphore_id, uint32_t millisec) {
+ if (__get_PRIMASK() != 0U || __get_IPSR() != 0U) {
+ return -1; // Not allowed in ISR
+ }
+ return __svcSemaphoreWait(semaphore_id, millisec);
+}
+
+/// Release a Semaphore
+osStatus osSemaphoreRelease (osSemaphoreId semaphore_id) {
+ if (__get_PRIMASK() != 0U || __get_IPSR() != 0U) { // in ISR
+ return isrSemaphoreRelease(semaphore_id);
+ } else { // in Thread
+ return __svcSemaphoreRelease(semaphore_id);
+ }
+}
+
+/// Delete a Semaphore that was created by osSemaphoreCreate
+osStatus osSemaphoreDelete (osSemaphoreId semaphore_id) {
+ if (__get_PRIMASK() != 0U || __get_IPSR() != 0U) {
+ return osErrorISR; // Not allowed in ISR
+ }
+ return __svcSemaphoreDelete(semaphore_id);
+}
+
+
+// ==== Memory Management Functions ====
+
+// Memory Management Helper Functions
+
+// Clear Memory Box (Zero init)
+static void rt_clr_box (void *box_mem, void *box) {
+ uint32_t *p, n;
+
+ if ((box_mem != NULL) && (box != NULL)) {
+ p = box;
+ for (n = ((P_BM)box_mem)->blk_size; n; n -= 4U) {
+ *p++ = 0U;
+ }
+ }
+}
+
+// Memory Management Service Calls declarations
+SVC_1_1(svcPoolCreate, osPoolId, const osPoolDef_t *, RET_pointer)
+SVC_1_1(sysPoolAlloc, void *, osPoolId, RET_pointer)
+SVC_2_1(sysPoolFree, osStatus, osPoolId, void *, RET_osStatus)
+
+// Memory Management Service & ISR Calls
+
+/// Create and Initialize memory pool
+osPoolId svcPoolCreate (const osPoolDef_t *pool_def) {
+ uint32_t blk_sz;
+
+ if ((pool_def == NULL) ||
+ (pool_def->pool_sz == 0U) ||
+ (pool_def->item_sz == 0U) ||
+ (pool_def->pool == NULL)) {
+ sysThreadError(osErrorParameter);
+ return NULL;
+ }
+
+ blk_sz = (pool_def->item_sz + 3U) & (uint32_t)~3U;
+
+ _init_box(pool_def->pool, sizeof(struct OS_BM) + (pool_def->pool_sz * blk_sz), blk_sz);
+
+ return pool_def->pool;
+}
+
+/// Allocate a memory block from a memory pool
+void *sysPoolAlloc (osPoolId pool_id) {
+ void *mem;
+
+ if (pool_id == NULL) {
+ return NULL;
+ }
+
+ mem = rt_alloc_box(pool_id);
+
+ return mem;
+}
+
+/// Return an allocated memory block back to a specific memory pool
+osStatus sysPoolFree (osPoolId pool_id, void *block) {
+ uint32_t res;
+
+ if (pool_id == NULL) {
+ return osErrorParameter;
+ }
+
+ res = rt_free_box(pool_id, block);
+ if (res != 0) {
+ return osErrorValue;
+ }
+
+ return osOK;
+}
+
+
+// Memory Management Public API
+
+/// Create and Initialize memory pool
+osPoolId osPoolCreate (const osPoolDef_t *pool_def) {
+ if (__get_PRIMASK() != 0U || __get_IPSR() != 0U) {
+ return NULL; // Not allowed in ISR
+ }
+ if (((__get_CONTROL() & 1U) == 0U) && (os_running == 0U)) {
+ // Privileged and not running
+ return svcPoolCreate(pool_def);
+ } else {
+ return __svcPoolCreate(pool_def);
+ }
+}
+
+/// Allocate a memory block from a memory pool
+void *osPoolAlloc (osPoolId pool_id) {
+ if ((__get_PRIMASK() != 0U || __get_IPSR() != 0U) || ((__get_CONTROL() & 1U) == 0U)) { // in ISR or Privileged
+ return sysPoolAlloc(pool_id);
+ } else { // in Thread
+ return __sysPoolAlloc(pool_id);
+ }
+}
+
+/// Allocate a memory block from a memory pool and set memory block to zero
+void *osPoolCAlloc (osPoolId pool_id) {
+ void *mem;
+
+ if ((__get_PRIMASK() != 0U || __get_IPSR() != 0U) || ((__get_CONTROL() & 1U) == 0U)) { // in ISR or Privileged
+ mem = sysPoolAlloc(pool_id);
+ } else { // in Thread
+ mem = __sysPoolAlloc(pool_id);
+ }
+
+ rt_clr_box(pool_id, mem);
+
+ return mem;
+}
+
+/// Return an allocated memory block back to a specific memory pool
+osStatus osPoolFree (osPoolId pool_id, void *block) {
+ if ((__get_PRIMASK() != 0U || __get_IPSR() != 0U) || ((__get_CONTROL() & 1U) == 0U)) { // in ISR or Privileged
+ return sysPoolFree(pool_id, block);
+ } else { // in Thread
+ return __sysPoolFree(pool_id, block);
+ }
+}
+
+
+// ==== Message Queue Management Functions ====
+
+// Message Queue Management Service Calls declarations
+SVC_2_1(svcMessageCreate, osMessageQId, const osMessageQDef_t *, osThreadId, RET_pointer)
+SVC_3_1(svcMessagePut, osStatus, osMessageQId, uint32_t, uint32_t, RET_osStatus)
+SVC_2_3(svcMessageGet, os_InRegs osEvent, osMessageQId, uint32_t, RET_osEvent)
+
+// Message Queue Service Calls
+
+/// Create and Initialize Message Queue
+osMessageQId svcMessageCreate (const osMessageQDef_t *queue_def, osThreadId thread_id) {
+
+ if ((queue_def == NULL) ||
+ (queue_def->queue_sz == 0U) ||
+ (queue_def->pool == NULL)) {
+ sysThreadError(osErrorParameter);
+ return NULL;
+ }
+
+ if (((P_MCB)queue_def->pool)->cb_type != 0U) {
+ sysThreadError(osErrorParameter);
+ return NULL;
+ }
+
+ rt_mbx_init(queue_def->pool, (uint16_t)(4U*(queue_def->queue_sz + 4U)));
+
+ return queue_def->pool;
+}
+
+/// Put a Message to a Queue
+osStatus svcMessagePut (osMessageQId queue_id, uint32_t info, uint32_t millisec) {
+ OS_RESULT res;
+
+ if (queue_id == NULL) {
+ return osErrorParameter;
+ }
+
+ if (((P_MCB)queue_id)->cb_type != MCB) {
+ return osErrorParameter;
+ }
+
+ res = rt_mbx_send(queue_id, (void *)info, rt_ms2tick(millisec));
+
+ if (res == OS_R_TMO) {
+ return ((millisec != 0U) ? osErrorTimeoutResource : osErrorResource);
+ }
+
+ return osOK;
+}
+
+/// Get a Message or Wait for a Message from a Queue
+os_InRegs osEvent_type svcMessageGet (osMessageQId queue_id, uint32_t millisec) {
+ OS_RESULT res;
+ osEvent ret;
+
+ if (queue_id == NULL) {
+ ret.status = osErrorParameter;
+ return osEvent_ret_status;
+ }
+
+ if (((P_MCB)queue_id)->cb_type != MCB) {
+ ret.status = osErrorParameter;
+ return osEvent_ret_status;
+ }
+
+ res = rt_mbx_wait(queue_id, &ret.value.p, rt_ms2tick(millisec));
+
+ if (res == OS_R_TMO) {
+ ret.status = (millisec != 0U) ? osEventTimeout : osOK;
+ return osEvent_ret_value;
+ }
+
+ ret.status = osEventMessage;
+
+ return osEvent_ret_value;
+}
+
+
+// Message Queue ISR Calls
+
+/// Put a Message to a Queue
+osStatus isrMessagePut (osMessageQId queue_id, uint32_t info, uint32_t millisec) {
+
+ if ((queue_id == NULL) || (millisec != 0U)) {
+ return osErrorParameter;
+ }
+
+ if (((P_MCB)queue_id)->cb_type != MCB) {
+ return osErrorParameter;
+ }
+
+ if (rt_mbx_check(queue_id) == 0U) { // Check if Queue is full
+ return osErrorResource;
+ }
+
+ isr_mbx_send(queue_id, (void *)info);
+
+ return osOK;
+}
+
+/// Get a Message or Wait for a Message from a Queue
+os_InRegs osEvent isrMessageGet (osMessageQId queue_id, uint32_t millisec) {
+ OS_RESULT res;
+ osEvent ret;
+
+ if ((queue_id == NULL) || (millisec != 0U)) {
+ ret.status = osErrorParameter;
+ return ret;
+ }
+
+ if (((P_MCB)queue_id)->cb_type != MCB) {
+ ret.status = osErrorParameter;
+ return ret;
+ }
+
+ res = isr_mbx_receive(queue_id, &ret.value.p);
+
+ if (res != OS_R_MBX) {
+ ret.status = osOK;
+ return ret;
+ }
+
+ ret.status = osEventMessage;
+
+ return ret;
+}
+
+
+// Message Queue Management Public API
+
+/// Create and Initialize Message Queue
+osMessageQId osMessageCreate (const osMessageQDef_t *queue_def, osThreadId thread_id) {
+ if (__get_PRIMASK() != 0U || __get_IPSR() != 0U) {
+ return NULL; // Not allowed in ISR
+ }
+ if (((__get_CONTROL() & 1U) == 0U) && (os_running == 0U)) {
+ // Privileged and not running
+ return svcMessageCreate(queue_def, thread_id);
+ } else {
+ return __svcMessageCreate(queue_def, thread_id);
+ }
+}
+
+/// Put a Message to a Queue
+osStatus osMessagePut (osMessageQId queue_id, uint32_t info, uint32_t millisec) {
+ if (__get_PRIMASK() != 0U || __get_IPSR() != 0U) { // in ISR
+ return isrMessagePut(queue_id, info, millisec);
+ } else { // in Thread
+ return __svcMessagePut(queue_id, info, millisec);
+ }
+}
+
+/// Get a Message or Wait for a Message from a Queue
+os_InRegs osEvent osMessageGet (osMessageQId queue_id, uint32_t millisec) {
+ if (__get_PRIMASK() != 0U || __get_IPSR() != 0U) { // in ISR
+ return isrMessageGet(queue_id, millisec);
+ } else { // in Thread
+ return __svcMessageGet(queue_id, millisec);
+ }
+}
+
+
+// ==== Mail Queue Management Functions ====
+
+// Mail Queue Management Service Calls declarations
+SVC_2_1(svcMailCreate, osMailQId, const osMailQDef_t *, osThreadId, RET_pointer)
+SVC_3_1(sysMailAlloc, void *, osMailQId, uint32_t, uint32_t, RET_pointer)
+SVC_3_1(sysMailFree, osStatus, osMailQId, void *, uint32_t, RET_osStatus)
+
+// Mail Queue Management Service & ISR Calls
+
+/// Create and Initialize mail queue
+osMailQId svcMailCreate (const osMailQDef_t *queue_def, osThreadId thread_id) {
+ uint32_t blk_sz;
+ P_MCB pmcb;
+ void *pool;
+
+ if ((queue_def == NULL) ||
+ (queue_def->queue_sz == 0U) ||
+ (queue_def->item_sz == 0U) ||
+ (queue_def->pool == NULL)) {
+ sysThreadError(osErrorParameter);
+ return NULL;
+ }
+
+ pmcb = *(((void **)queue_def->pool) + 0);
+ pool = *(((void **)queue_def->pool) + 1);
+
+ if ((pool == NULL) || (pmcb == NULL) || (pmcb->cb_type != 0U)) {
+ sysThreadError(osErrorParameter);
+ return NULL;
+ }
+
+ blk_sz = (queue_def->item_sz + 3U) & (uint32_t)~3U;
+
+ _init_box(pool, sizeof(struct OS_BM) + (queue_def->queue_sz * blk_sz), blk_sz);
+
+ rt_mbx_init(pmcb, (uint16_t)(4U*(queue_def->queue_sz + 4U)));
+
+ return queue_def->pool;
+}
+
+/// Allocate a memory block from a mail
+void *sysMailAlloc (osMailQId queue_id, uint32_t millisec, uint32_t isr) {
+ P_MCB pmcb;
+ void *pool;
+ void *mem;
+
+ if (queue_id == NULL) {
+ return NULL;
+ }
+
+ pmcb = *(((void **)queue_id) + 0);
+ pool = *(((void **)queue_id) + 1);
+
+ if ((pool == NULL) || (pmcb == NULL)) {
+ return NULL;
+ }
+
+ if ((isr != 0U) && (millisec != 0U)) {
+ return NULL;
+ }
+
+ mem = rt_alloc_box(pool);
+
+ if ((mem == NULL) && (millisec != 0U)) {
+ // Put Task to sleep when Memory not available
+ if (pmcb->p_lnk != NULL) {
+ rt_put_prio((P_XCB)pmcb, os_tsk.run);
+ } else {
+ pmcb->p_lnk = os_tsk.run;
+ os_tsk.run->p_lnk = NULL;
+ os_tsk.run->p_rlnk = (P_TCB)pmcb;
+ // Task is waiting to allocate a message
+ pmcb->state = 3U;
+ }
+ rt_block(rt_ms2tick(millisec), WAIT_MBX);
+ }
+
+ return mem;
+}
+
+/// Free a memory block from a mail
+osStatus sysMailFree (osMailQId queue_id, void *mail, uint32_t isr) {
+ P_MCB pmcb;
+ P_TCB ptcb;
+ void *pool;
+ void *mem;
+ uint32_t res;
+
+ if (queue_id == NULL) {
+ return osErrorParameter;
+ }
+
+ pmcb = *(((void **)queue_id) + 0);
+ pool = *(((void **)queue_id) + 1);
+
+ if ((pmcb == NULL) || (pool == NULL)) {
+ return osErrorParameter;
+ }
+
+ res = rt_free_box(pool, mail);
+
+ if (res != 0U) {
+ return osErrorValue;
+ }
+
+ if ((pmcb->p_lnk != NULL) && (pmcb->state == 3U)) {
+ // Task is waiting to allocate a message
+ if (isr != 0U) {
+ rt_psq_enq (pmcb, (U32)pool);
+ rt_psh_req ();
+ } else {
+ mem = rt_alloc_box(pool);
+ if (mem != NULL) {
+ ptcb = rt_get_first((P_XCB)pmcb);
+ rt_ret_val(ptcb, (U32)mem);
+ rt_rmv_dly(ptcb);
+ rt_dispatch(ptcb);
+ }
+ }
+ }
+
+ return osOK;
+}
+
+
+// Mail Queue Management Public API
+
+/// Create and Initialize mail queue
+osMailQId osMailCreate (const osMailQDef_t *queue_def, osThreadId thread_id) {
+ if (__get_PRIMASK() != 0U || __get_IPSR() != 0U) {
+ return NULL; // Not allowed in ISR
+ }
+ if (((__get_CONTROL() & 1U) == 0U) && (os_running == 0U)) {
+ // Privileged and not running
+ return svcMailCreate(queue_def, thread_id);
+ } else {
+ return __svcMailCreate(queue_def, thread_id);
+ }
+}
+
+/// Allocate a memory block from a mail
+void *osMailAlloc (osMailQId queue_id, uint32_t millisec) {
+ if (__get_PRIMASK() != 0U || __get_IPSR() != 0U) { // in ISR
+ return sysMailAlloc(queue_id, millisec, 1U);
+ } else { // in Thread
+ return __sysMailAlloc(queue_id, millisec, 0U);
+ }
+}
+
+/// Allocate a memory block from a mail and set memory block to zero
+void *osMailCAlloc (osMailQId queue_id, uint32_t millisec) {
+ void *pool;
+ void *mem;
+
+ if (__get_PRIMASK() != 0U || __get_IPSR() != 0U) { // in ISR
+ mem = sysMailAlloc(queue_id, millisec, 1U);
+ } else { // in Thread
+ mem = __sysMailAlloc(queue_id, millisec, 0U);
+ }
+
+ pool = *(((void **)queue_id) + 1);
+
+ rt_clr_box(pool, mem);
+
+ return mem;
+}
+
+/// Free a memory block from a mail
+osStatus osMailFree (osMailQId queue_id, void *mail) {
+ if (__get_PRIMASK() != 0U || __get_IPSR() != 0U) { // in ISR
+ return sysMailFree(queue_id, mail, 1U);
+ } else { // in Thread
+ return __sysMailFree(queue_id, mail, 0U);
+ }
+}
+
+/// Put a mail to a queue
+osStatus osMailPut (osMailQId queue_id, void *mail) {
+ if (queue_id == NULL) {
+ return osErrorParameter;
+ }
+ if (mail == NULL) {
+ return osErrorValue;
+ }
+ return osMessagePut(*((void **)queue_id), (uint32_t)mail, 0U);
+}
+
+/// Get a mail from a queue
+os_InRegs osEvent osMailGet (osMailQId queue_id, uint32_t millisec) {
+ osEvent ret;
+
+ if (queue_id == NULL) {
+ ret.status = osErrorParameter;
+ return ret;
+ }
+
+ ret = osMessageGet(*((void **)queue_id), millisec);
+ if (ret.status == osEventMessage) ret.status = osEventMail;
+
+ return ret;
+}
+
+
+// ==== RTX Extensions ====
+
+// Service Calls declarations
+SVC_0_1(rt_suspend, uint32_t, RET_uint32_t)
+SVC_1_0(rt_resume, void, uint32_t)
+
+
+// Public API
+
+/// Suspends the OS task scheduler
+uint32_t os_suspend (void) {
+ return __rt_suspend();
+}
+
+/// Resumes the OS task scheduler
+void os_resume (uint32_t sleep_time) {
+ __rt_resume(sleep_time);
+}
diff -r 000000000000 -r fc74113aca28 mbed-rtos/rtx/TARGET_CORTEX_M/rt_Event.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-rtos/rtx/TARGET_CORTEX_M/rt_Event.c Thu Apr 14 20:21:15 2022 +0000
@@ -0,0 +1,190 @@
+/*----------------------------------------------------------------------------
+ * CMSIS-RTOS - RTX
+ *----------------------------------------------------------------------------
+ * Name: RT_EVENT.C
+ * Purpose: Implements waits and wake-ups for event flags
+ * Rev.: V4.79
+ *----------------------------------------------------------------------------
+ *
+ * Copyright (c) 1999-2009 KEIL, 2009-2015 ARM Germany GmbH
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * - Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *---------------------------------------------------------------------------*/
+
+#include "rt_TypeDef.h"
+#include "RTX_Config.h"
+#include "rt_System.h"
+#include "rt_Event.h"
+#include "rt_List.h"
+#include "rt_Task.h"
+#include "rt_HAL_CM.h"
+
+
+/*----------------------------------------------------------------------------
+ * Functions
+ *---------------------------------------------------------------------------*/
+
+
+/*--------------------------- rt_evt_wait -----------------------------------*/
+
+OS_RESULT rt_evt_wait (U16 wait_flags, U16 timeout, BOOL and_wait) {
+ /* Wait for one or more event flags with optional time-out. */
+ /* "wait_flags" identifies the flags to wait for. */
+ /* "timeout" is the time-out limit in system ticks (0xffff if no time-out) */
+ /* "and_wait" specifies the AND-ing of "wait_flags" as condition to be met */
+ /* to complete the wait. (OR-ing if set to 0). */
+ U32 block_state;
+
+ if (and_wait) {
+ /* Check for AND-connected events */
+ if ((os_tsk.run->events & wait_flags) == wait_flags) {
+ os_tsk.run->events &= ~wait_flags;
+ return (OS_R_EVT);
+ }
+ block_state = WAIT_AND;
+ }
+ else {
+ /* Check for OR-connected events */
+ if (os_tsk.run->events & wait_flags) {
+ os_tsk.run->waits = os_tsk.run->events & wait_flags;
+ os_tsk.run->events &= ~wait_flags;
+ return (OS_R_EVT);
+ }
+ block_state = WAIT_OR;
+ }
+ /* Task has to wait */
+ os_tsk.run->waits = wait_flags;
+ rt_block (timeout, (U8)block_state);
+ return (OS_R_TMO);
+}
+
+
+/*--------------------------- rt_evt_set ------------------------------------*/
+
+void rt_evt_set (U16 event_flags, OS_TID task_id) {
+ /* Set one or more event flags of a selectable task. */
+ P_TCB p_tcb;
+
+ p_tcb = os_active_TCB[task_id-1U];
+ if (p_tcb == NULL) {
+ return;
+ }
+ p_tcb->events |= event_flags;
+ event_flags = p_tcb->waits;
+ /* If the task is not waiting for an event, it should not be put */
+ /* to ready state. */
+ if (p_tcb->state == WAIT_AND) {
+ /* Check for AND-connected events */
+ if ((p_tcb->events & event_flags) == event_flags) {
+ goto wkup;
+ }
+ }
+ if (p_tcb->state == WAIT_OR) {
+ /* Check for OR-connected events */
+ if (p_tcb->events & event_flags) {
+ p_tcb->waits &= p_tcb->events;
+wkup: p_tcb->events &= ~event_flags;
+ rt_rmv_dly (p_tcb);
+ p_tcb->state = READY;
+#ifdef __CMSIS_RTOS
+ rt_ret_val2(p_tcb, 0x08U/*osEventSignal*/, p_tcb->waits);
+#else
+ rt_ret_val (p_tcb, OS_R_EVT);
+#endif
+ rt_dispatch (p_tcb);
+ }
+ }
+}
+
+
+/*--------------------------- rt_evt_clr ------------------------------------*/
+
+void rt_evt_clr (U16 clear_flags, OS_TID task_id) {
+ /* Clear one or more event flags (identified by "clear_flags") of a */
+ /* selectable task (identified by "task"). */
+ P_TCB task = os_active_TCB[task_id-1U];
+
+ if (task == NULL) {
+ return;
+ }
+ task->events &= ~clear_flags;
+}
+
+
+/*--------------------------- isr_evt_set -----------------------------------*/
+
+void isr_evt_set (U16 event_flags, OS_TID task_id) {
+ /* Same function as "os_evt_set", but to be called by ISRs. */
+ P_TCB p_tcb = os_active_TCB[task_id-1U];
+
+ if (p_tcb == NULL) {
+ return;
+ }
+ rt_psq_enq (p_tcb, event_flags);
+ rt_psh_req ();
+}
+
+
+/*--------------------------- rt_evt_get ------------------------------------*/
+
+U16 rt_evt_get (void) {
+ /* Get events of a running task after waiting for OR connected events. */
+ return (os_tsk.run->waits);
+}
+
+
+/*--------------------------- rt_evt_psh ------------------------------------*/
+
+void rt_evt_psh (P_TCB p_CB, U16 set_flags) {
+ /* Check if task has to be waken up */
+ U16 event_flags;
+
+ p_CB->events |= set_flags;
+ event_flags = p_CB->waits;
+ if (p_CB->state == WAIT_AND) {
+ /* Check for AND-connected events */
+ if ((p_CB->events & event_flags) == event_flags) {
+ goto rdy;
+ }
+ }
+ if (p_CB->state == WAIT_OR) {
+ /* Check for OR-connected events */
+ if (p_CB->events & event_flags) {
+ p_CB->waits &= p_CB->events;
+rdy: p_CB->events &= ~event_flags;
+ rt_rmv_dly (p_CB);
+ p_CB->state = READY;
+#ifdef __CMSIS_RTOS
+ rt_ret_val2(p_CB, 0x08U/*osEventSignal*/, p_CB->waits);
+#else
+ rt_ret_val (p_CB, OS_R_EVT);
+#endif
+ rt_put_prio (&os_rdy, p_CB);
+ }
+ }
+}
+
+/*----------------------------------------------------------------------------
+ * end of file
+ *---------------------------------------------------------------------------*/
diff -r 000000000000 -r fc74113aca28 mbed-rtos/rtx/TARGET_CORTEX_M/rt_Event.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-rtos/rtx/TARGET_CORTEX_M/rt_Event.h Thu Apr 14 20:21:15 2022 +0000
@@ -0,0 +1,51 @@
+
+/** \addtogroup rtos */
+/** @{*/
+/*----------------------------------------------------------------------------
+ * CMSIS-RTOS - RTX
+ *----------------------------------------------------------------------------
+ * Name: RT_EVENT.H
+ * Purpose: Implements waits and wake-ups for event flags
+ * Rev.: V4.70
+ *----------------------------------------------------------------------------
+ *
+ * Copyright (c) 1999-2009 KEIL, 2009-2013 ARM Germany GmbH
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * - Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *---------------------------------------------------------------------------*/
+
+/* Functions */
+extern OS_RESULT rt_evt_wait (U16 wait_flags, U16 timeout, BOOL and_wait);
+extern void rt_evt_set (U16 event_flags, OS_TID task_id);
+extern void rt_evt_clr (U16 clear_flags, OS_TID task_id);
+extern void isr_evt_set (U16 event_flags, OS_TID task_id);
+extern U16 rt_evt_get (void);
+extern void rt_evt_psh (P_TCB p_CB, U16 set_flags);
+
+/*----------------------------------------------------------------------------
+ * end of file
+ *---------------------------------------------------------------------------*/
+
+
+/** @}*/
diff -r 000000000000 -r fc74113aca28 mbed-rtos/rtx/TARGET_CORTEX_M/rt_HAL_CM.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-rtos/rtx/TARGET_CORTEX_M/rt_HAL_CM.h Thu Apr 14 20:21:15 2022 +0000
@@ -0,0 +1,344 @@
+
+/** \addtogroup rtos */
+/** @{*/
+/*----------------------------------------------------------------------------
+ * CMSIS-RTOS - RTX
+ *----------------------------------------------------------------------------
+ * Name: RT_HAL_CM.H
+ * Purpose: Hardware Abstraction Layer for Cortex-M definitions
+ * Rev.: V4.79
+ *----------------------------------------------------------------------------
+ *
+ * Copyright (c) 1999-2009 KEIL, 2009-2015 ARM Germany GmbH
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * - Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *---------------------------------------------------------------------------*/
+
+/* Definitions */
+#define INITIAL_xPSR 0x01000000U
+#define DEMCR_TRCENA 0x01000000U
+#define ITM_ITMENA 0x00000001U
+#define MAGIC_WORD 0xE25A2EA5U
+#define MAGIC_PATTERN 0xCCCCCCCCU
+
+#if defined (__CC_ARM) /* ARM Compiler */
+
+#if ((defined(__TARGET_ARCH_7_M) || defined(__TARGET_ARCH_7E_M)) && !defined(NO_EXCLUSIVE_ACCESS))
+ #define __USE_EXCLUSIVE_ACCESS
+#else
+ #undef __USE_EXCLUSIVE_ACCESS
+#endif
+
+/* Supress __ldrex and __strex deprecated warnings - "#3731-D: intrinsic is deprecated" */
+#ifdef __USE_EXCLUSIVE_ACCESS
+#pragma diag_suppress 3731
+#endif
+
+#ifndef __CMSIS_GENERIC
+
+__attribute__((always_inline)) static inline U32 __get_PRIMASK(void)
+{
+ register U32 primask __asm("primask");
+ return primask;
+}
+
+#define __DMB() do {\
+ __schedule_barrier();\
+ __dmb(0xF);\
+ __schedule_barrier();\
+ } while (0)
+
+#endif
+
+#elif defined (__GNUC__) /* GNU Compiler */
+
+#undef __USE_EXCLUSIVE_ACCESS
+
+#if defined (__CORTEX_M0) || defined (__CORTEX_M0PLUS)
+#define __TARGET_ARCH_6S_M
+#endif
+
+#if defined (__VFP_FP__) && !defined(__SOFTFP__)
+#define __TARGET_FPU_VFP
+#endif
+
+#define __inline inline
+#define __weak __attribute__((weak))
+
+#ifndef __CMSIS_GENERIC
+
+__attribute__((always_inline)) static inline U32 __get_PRIMASK(void)
+{
+ U32 result;
+
+ __asm volatile ("mrs %0, primask" : "=r" (result));
+ return result;
+}
+
+__attribute__((always_inline)) static inline void __enable_irq(void)
+{
+ __asm volatile ("cpsie i");
+}
+
+__attribute__((always_inline)) static inline U32 __disable_irq(void)
+{
+ U32 result;
+
+ __asm volatile ("mrs %0, primask" : "=r" (result));
+ __asm volatile ("cpsid i");
+ return(result & 1);
+}
+
+__attribute__((always_inline)) static inline void __DMB(void)
+{
+ __asm volatile ("dmb 0xF":::"memory");
+}
+
+#endif
+
+__attribute__(( always_inline)) static inline U8 __clz(U32 value)
+{
+ U8 result;
+
+ __asm volatile ("clz %0, %1" : "=r" (result) : "r" (value));
+ return(result);
+}
+
+#elif defined (__ICCARM__) /* IAR Compiler */
+
+#undef __USE_EXCLUSIVE_ACCESS
+
+#if (__CORE__ == __ARM6M__)
+#define __TARGET_ARCH_6S_M 1
+#endif
+
+#if defined __ARMVFP__
+#define __TARGET_FPU_VFP 1
+#endif
+
+#define __inline inline
+
+#ifndef __CMSIS_GENERIC
+
+static inline U32 __get_PRIMASK(void)
+{
+ U32 result;
+
+ __asm volatile ("mrs %0, primask" : "=r" (result));
+ return result;
+}
+
+static inline void __enable_irq(void)
+{
+ __asm volatile ("cpsie i");
+}
+
+static inline U32 __disable_irq(void)
+{
+ U32 result;
+
+ __asm volatile ("mrs %0, primask" : "=r" (result));
+ __asm volatile ("cpsid i");
+ return(result & 1);
+}
+
+#endif
+
+static inline U8 __clz(U32 value)
+{
+ U8 result;
+
+ __asm volatile ("clz %0, %1" : "=r" (result) : "r" (value));
+ return(result);
+}
+
+#endif
+
+/* NVIC registers */
+#define NVIC_ST_CTRL (*((volatile U32 *)0xE000E010U))
+#define NVIC_ST_RELOAD (*((volatile U32 *)0xE000E014U))
+#define NVIC_ST_CURRENT (*((volatile U32 *)0xE000E018U))
+#define NVIC_ISER ((volatile U32 *)0xE000E100U)
+#define NVIC_ICER ((volatile U32 *)0xE000E180U)
+#if defined(__TARGET_ARCH_6S_M)
+#define NVIC_IP ((volatile U32 *)0xE000E400U)
+#else
+#define NVIC_IP ((volatile U8 *)0xE000E400U)
+#endif
+#define NVIC_INT_CTRL (*((volatile U32 *)0xE000ED04U))
+#define NVIC_AIR_CTRL (*((volatile U32 *)0xE000ED0CU))
+#define NVIC_SYS_PRI2 (*((volatile U32 *)0xE000ED1CU))
+#define NVIC_SYS_PRI3 (*((volatile U32 *)0xE000ED20U))
+
+#define OS_PEND_IRQ() NVIC_INT_CTRL = (1UL<<28)
+#define OS_PENDING ((NVIC_INT_CTRL >> 26) & 5U)
+#define OS_UNPEND(fl) NVIC_INT_CTRL = (U32)(fl = (U8)OS_PENDING) << 25
+#define OS_PEND(fl,p) NVIC_INT_CTRL = (U32)(fl | (U8)(p<<2)) << 26
+#define OS_LOCK() NVIC_ST_CTRL = 0x0005U
+#define OS_UNLOCK() NVIC_ST_CTRL = 0x0007U
+
+#define OS_X_PENDING ((NVIC_INT_CTRL >> 28) & 1U)
+#define OS_X_UNPEND(fl) NVIC_INT_CTRL = (U32)(fl = (U8)OS_X_PENDING) << 27
+#define OS_X_PEND(fl,p) NVIC_INT_CTRL = (U32)(fl | p) << 28
+#if defined(__TARGET_ARCH_6S_M)
+#define OS_X_INIT(n) NVIC_IP[n>>2] |= (U32)0xFFU << ((n & 0x03U) << 3); \
+ NVIC_ISER[n>>5] = (U32)1U << (n & 0x1FU)
+#else
+#define OS_X_INIT(n) NVIC_IP[n] = 0xFFU; \
+ NVIC_ISER[n>>5] = (U32)1U << (n & 0x1FU)
+#endif
+#define OS_X_LOCK(n) NVIC_ICER[n>>5] = (U32)1U << (n & 0x1FU)
+#define OS_X_UNLOCK(n) NVIC_ISER[n>>5] = (U32)1U << (n & 0x1FU)
+
+/* Core Debug registers */
+#define DEMCR (*((volatile U32 *)0xE000EDFCU))
+
+/* ITM registers */
+#define ITM_CONTROL (*((volatile U32 *)0xE0000E80U))
+#define ITM_ENABLE (*((volatile U32 *)0xE0000E00U))
+#define ITM_PORT30_U32 (*((volatile U32 *)0xE0000078U))
+#define ITM_PORT31_U32 (*((volatile U32 *)0xE000007CU))
+#define ITM_PORT31_U16 (*((volatile U16 *)0xE000007CU))
+#define ITM_PORT31_U8 (*((volatile U8 *)0xE000007CU))
+
+/* Variables */
+extern BIT dbg_msg;
+
+/* Functions */
+#ifdef __USE_EXCLUSIVE_ACCESS
+ #define rt_inc(p) while(__strex((__ldrex(p)+1U),p))
+ #define rt_dec(p) while(__strex((__ldrex(p)-1U),p))
+#else
+ #define rt_inc(p) do {\
+ U32 primask = __get_PRIMASK();\
+ __disable_irq();\
+ (*p)++;\
+ if (!primask) {\
+ __enable_irq();\
+ }\
+ } while (0)
+ #define rt_dec(p) do {\
+ U32 primask = __get_PRIMASK();\
+ __disable_irq();\
+ (*p)--;\
+ if (!primask) {\
+ __enable_irq();\
+ }\
+ } while (0)
+#endif
+
+__inline static U32 rt_inc_qi (U32 size, U8 *count, U8 *first) {
+ U32 cnt,c2;
+#ifdef __USE_EXCLUSIVE_ACCESS
+ do {
+ if ((cnt = __ldrex(count)) == size) {
+ __clrex();
+ return (cnt); }
+ } while (__strex(cnt+1U, count));
+ do {
+ c2 = (cnt = __ldrex(first)) + 1U;
+ if (c2 == size) { c2 = 0U; }
+ } while (__strex(c2, first));
+#else
+ U32 primask = __get_PRIMASK();
+ __disable_irq();
+ if ((cnt = *count) < size) {
+ *count = (U8)(cnt+1U);
+ c2 = (cnt = *first) + 1U;
+ if (c2 == size) { c2 = 0U; }
+ *first = (U8)c2;
+ }
+ if (!primask) {
+ __enable_irq ();
+ }
+#endif
+ return (cnt);
+}
+
+__inline static void rt_systick_init (void) {
+ NVIC_ST_RELOAD = os_trv;
+ NVIC_ST_CURRENT = 0U;
+ NVIC_ST_CTRL = 0x0007U;
+ NVIC_SYS_PRI3 |= 0xFF000000U;
+}
+
+__inline static U32 rt_systick_val (void) {
+ return (os_trv - NVIC_ST_CURRENT);
+}
+
+__inline static U32 rt_systick_ovf (void) {
+ return ((NVIC_INT_CTRL >> 26) & 1U);
+}
+
+__inline static void rt_svc_init (void) {
+#if !defined(__TARGET_ARCH_6S_M)
+ U32 sh,prigroup;
+#endif
+ NVIC_SYS_PRI3 |= 0x00FF0000U;
+#if defined(__TARGET_ARCH_6S_M)
+ NVIC_SYS_PRI2 |= (NVIC_SYS_PRI3<<(8+1)) & 0xFC000000U;
+#else
+ sh = 8U - __clz(~((NVIC_SYS_PRI3 << 8) & 0xFF000000U));
+ prigroup = ((NVIC_AIR_CTRL >> 8) & 0x07U);
+ if (prigroup >= sh) {
+ sh = prigroup + 1U;
+ }
+
+/* Only change the SVCall priority if uVisor is not present. */
+#if !(defined(FEATURE_UVISOR) && defined(TARGET_UVISOR_SUPPORTED))
+ NVIC_SYS_PRI2 = ((0xFEFFFFFFU << sh) & 0xFF000000U) | (NVIC_SYS_PRI2 & 0x00FFFFFFU);
+#endif /* !(defined(FEATURE_UVISOR) && defined(TARGET_UVISOR_SUPPORTED)) */
+#endif
+}
+
+extern void rt_set_PSP (U32 stack);
+extern U32 rt_get_PSP (void);
+extern void os_set_env (void);
+extern void *_alloc_box (void *box_mem);
+extern U32 _free_box (void *box_mem, void *box);
+
+extern void rt_init_stack (P_TCB p_TCB, FUNCP task_body);
+extern void rt_ret_val (P_TCB p_TCB, U32 v0);
+extern void rt_ret_val2 (P_TCB p_TCB, U32 v0, U32 v1);
+
+extern void dbg_init (void);
+extern void dbg_task_notify (P_TCB p_tcb, BOOL create);
+extern void dbg_task_switch (U32 task_id);
+
+#ifdef DBG_MSG
+#define DBG_INIT() dbg_init()
+#define DBG_TASK_NOTIFY(p_tcb,create) if (dbg_msg) dbg_task_notify(p_tcb,create)
+#define DBG_TASK_SWITCH(task_id) if (dbg_msg && (os_tsk.new_tsk!=os_tsk.run)) \
+ dbg_task_switch(task_id)
+#else
+#define DBG_INIT()
+#define DBG_TASK_NOTIFY(p_tcb,create)
+#define DBG_TASK_SWITCH(task_id)
+#endif
+
+/*----------------------------------------------------------------------------
+ * end of file
+ *---------------------------------------------------------------------------*/
+
+/** @}*/
diff -r 000000000000 -r fc74113aca28 mbed-rtos/rtx/TARGET_CORTEX_M/rt_List.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-rtos/rtx/TARGET_CORTEX_M/rt_List.c Thu Apr 14 20:21:15 2022 +0000
@@ -0,0 +1,318 @@
+/*----------------------------------------------------------------------------
+ * CMSIS-RTOS - RTX
+ *----------------------------------------------------------------------------
+ * Name: RT_LIST.C
+ * Purpose: Functions for the management of different lists
+ * Rev.: V4.79
+ *----------------------------------------------------------------------------
+ *
+ * Copyright (c) 1999-2009 KEIL, 2009-2015 ARM Germany GmbH
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * - Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *---------------------------------------------------------------------------*/
+
+#include "rt_TypeDef.h"
+#include "RTX_Config.h"
+#include "rt_System.h"
+#include "rt_List.h"
+#include "rt_Task.h"
+#include "rt_Time.h"
+#include "rt_HAL_CM.h"
+
+/*----------------------------------------------------------------------------
+ * Global Variables
+ *---------------------------------------------------------------------------*/
+
+/* List head of chained ready tasks */
+struct OS_XCB os_rdy;
+/* List head of chained delay tasks */
+struct OS_XCB os_dly;
+
+
+/*----------------------------------------------------------------------------
+ * Functions
+ *---------------------------------------------------------------------------*/
+
+
+/*--------------------------- rt_put_prio -----------------------------------*/
+
+void rt_put_prio (P_XCB p_CB, P_TCB p_task) {
+ /* Put task identified with "p_task" into list ordered by priority. */
+ /* "p_CB" points to head of list; list has always an element at end with */
+ /* a priority less than "p_task->prio". */
+ P_TCB p_CB2;
+ U32 prio;
+ BOOL sem_mbx = __FALSE;
+
+ if ((p_CB->cb_type == SCB) || (p_CB->cb_type == MCB) || (p_CB->cb_type == MUCB)) {
+ sem_mbx = __TRUE;
+ }
+ prio = p_task->prio;
+ p_CB2 = p_CB->p_lnk;
+ /* Search for an entry in the list */
+ while ((p_CB2 != NULL) && (prio <= p_CB2->prio)) {
+ p_CB = (P_XCB)p_CB2;
+ p_CB2 = p_CB2->p_lnk;
+ }
+ /* Entry found, insert the task into the list */
+ p_task->p_lnk = p_CB2;
+ p_CB->p_lnk = p_task;
+ if (sem_mbx) {
+ if (p_CB2 != NULL) {
+ p_CB2->p_rlnk = p_task;
+ }
+ p_task->p_rlnk = (P_TCB)p_CB;
+ }
+ else {
+ p_task->p_rlnk = NULL;
+ }
+}
+
+
+/*--------------------------- rt_get_first ----------------------------------*/
+
+P_TCB rt_get_first (P_XCB p_CB) {
+ /* Get task at head of list: it is the task with highest priority. */
+ /* "p_CB" points to head of list. */
+ P_TCB p_first;
+
+ p_first = p_CB->p_lnk;
+ p_CB->p_lnk = p_first->p_lnk;
+ if ((p_CB->cb_type == SCB) || (p_CB->cb_type == MCB) || (p_CB->cb_type == MUCB)) {
+ if (p_first->p_lnk != NULL) {
+ p_first->p_lnk->p_rlnk = (P_TCB)p_CB;
+ p_first->p_lnk = NULL;
+ }
+ p_first->p_rlnk = NULL;
+ }
+ else {
+ p_first->p_lnk = NULL;
+ }
+ return (p_first);
+}
+
+
+/*--------------------------- rt_put_rdy_first ------------------------------*/
+
+void rt_put_rdy_first (P_TCB p_task) {
+ /* Put task identified with "p_task" at the head of the ready list. The */
+ /* task must have at least a priority equal to highest priority in list. */
+ p_task->p_lnk = os_rdy.p_lnk;
+ p_task->p_rlnk = NULL;
+ os_rdy.p_lnk = p_task;
+}
+
+
+/*--------------------------- rt_get_same_rdy_prio --------------------------*/
+
+P_TCB rt_get_same_rdy_prio (void) {
+ /* Remove a task of same priority from ready list if any exists. Other- */
+ /* wise return NULL. */
+ P_TCB p_first;
+
+ p_first = os_rdy.p_lnk;
+ if (p_first->prio == os_tsk.run->prio) {
+ os_rdy.p_lnk = os_rdy.p_lnk->p_lnk;
+ return (p_first);
+ }
+ return (NULL);
+}
+
+
+/*--------------------------- rt_resort_prio --------------------------------*/
+
+void rt_resort_prio (P_TCB p_task) {
+ /* Re-sort ordered lists after the priority of 'p_task' has changed. */
+ P_TCB p_CB;
+
+ if (p_task->p_rlnk == NULL) {
+ if (p_task->state == READY) {
+ /* Task is chained into READY list. */
+ p_CB = (P_TCB)&os_rdy;
+ goto res;
+ }
+ }
+ else {
+ p_CB = p_task->p_rlnk;
+ while (p_CB->cb_type == TCB) {
+ /* Find a header of this task chain list. */
+ p_CB = p_CB->p_rlnk;
+ }
+res:rt_rmv_list (p_task);
+ rt_put_prio ((P_XCB)p_CB, p_task);
+ }
+}
+
+
+/*--------------------------- rt_put_dly ------------------------------------*/
+
+void rt_put_dly (P_TCB p_task, U16 delay) {
+ /* Put a task identified with "p_task" into chained delay wait list using */
+ /* a delay value of "delay". */
+ P_TCB p;
+ U32 delta,idelay = delay;
+
+ p = (P_TCB)&os_dly;
+ if (p->p_dlnk == NULL) {
+ /* Delay list empty */
+ delta = 0U;
+ goto last;
+ }
+ delta = os_dly.delta_time;
+ while (delta < idelay) {
+ if (p->p_dlnk == NULL) {
+ /* End of list found */
+last: p_task->p_dlnk = NULL;
+ p->p_dlnk = p_task;
+ p_task->p_blnk = p;
+ p->delta_time = (U16)(idelay - delta);
+ p_task->delta_time = 0U;
+ return;
+ }
+ p = p->p_dlnk;
+ delta += p->delta_time;
+ }
+ /* Right place found */
+ p_task->p_dlnk = p->p_dlnk;
+ p->p_dlnk = p_task;
+ p_task->p_blnk = p;
+ if (p_task->p_dlnk != NULL) {
+ p_task->p_dlnk->p_blnk = p_task;
+ }
+ p_task->delta_time = (U16)(delta - idelay);
+ p->delta_time -= p_task->delta_time;
+}
+
+
+/*--------------------------- rt_dec_dly ------------------------------------*/
+
+void rt_dec_dly (void) {
+ /* Decrement delta time of list head: remove tasks having a value of zero.*/
+ P_TCB p_rdy;
+
+ if (os_dly.p_dlnk == NULL) {
+ return;
+ }
+ os_dly.delta_time--;
+ while ((os_dly.delta_time == 0U) && (os_dly.p_dlnk != NULL)) {
+ p_rdy = os_dly.p_dlnk;
+ if (p_rdy->p_rlnk != NULL) {
+ /* Task is really enqueued, remove task from semaphore/mailbox */
+ /* timeout waiting list. */
+ p_rdy->p_rlnk->p_lnk = p_rdy->p_lnk;
+ if (p_rdy->p_lnk != NULL) {
+ p_rdy->p_lnk->p_rlnk = p_rdy->p_rlnk;
+ p_rdy->p_lnk = NULL;
+ }
+ p_rdy->p_rlnk = NULL;
+ }
+ rt_put_prio (&os_rdy, p_rdy);
+ os_dly.delta_time = p_rdy->delta_time;
+ if (p_rdy->state == WAIT_ITV) {
+ /* Calculate the next time for interval wait. */
+ p_rdy->delta_time = p_rdy->interval_time + (U16)os_time;
+ }
+ p_rdy->state = READY;
+ os_dly.p_dlnk = p_rdy->p_dlnk;
+ if (p_rdy->p_dlnk != NULL) {
+ p_rdy->p_dlnk->p_blnk = (P_TCB)&os_dly;
+ p_rdy->p_dlnk = NULL;
+ }
+ p_rdy->p_blnk = NULL;
+ }
+}
+
+
+/*--------------------------- rt_rmv_list -----------------------------------*/
+
+void rt_rmv_list (P_TCB p_task) {
+ /* Remove task identified with "p_task" from ready, semaphore or mailbox */
+ /* waiting list if enqueued. */
+ P_TCB p_b;
+
+ if (p_task->p_rlnk != NULL) {
+ /* A task is enqueued in semaphore / mailbox waiting list. */
+ p_task->p_rlnk->p_lnk = p_task->p_lnk;
+ if (p_task->p_lnk != NULL) {
+ p_task->p_lnk->p_rlnk = p_task->p_rlnk;
+ }
+ return;
+ }
+
+ p_b = (P_TCB)&os_rdy;
+ while (p_b != NULL) {
+ /* Search the ready list for task "p_task" */
+ if (p_b->p_lnk == p_task) {
+ p_b->p_lnk = p_task->p_lnk;
+ return;
+ }
+ p_b = p_b->p_lnk;
+ }
+}
+
+
+/*--------------------------- rt_rmv_dly ------------------------------------*/
+
+void rt_rmv_dly (P_TCB p_task) {
+ /* Remove task identified with "p_task" from delay list if enqueued. */
+ P_TCB p_b;
+
+ p_b = p_task->p_blnk;
+ if (p_b != NULL) {
+ /* Task is really enqueued */
+ p_b->p_dlnk = p_task->p_dlnk;
+ if (p_task->p_dlnk != NULL) {
+ /* 'p_task' is in the middle of list */
+ p_b->delta_time += p_task->delta_time;
+ p_task->p_dlnk->p_blnk = p_b;
+ p_task->p_dlnk = NULL;
+ }
+ else {
+ /* 'p_task' is at the end of list */
+ p_b->delta_time = 0U;
+ }
+ p_task->p_blnk = NULL;
+ }
+}
+
+
+/*--------------------------- rt_psq_enq ------------------------------------*/
+
+void rt_psq_enq (OS_ID entry, U32 arg) {
+ /* Insert post service request "entry" into ps-queue. */
+ U32 idx;
+
+ idx = rt_inc_qi (os_psq->size, &os_psq->count, &os_psq->first);
+ if (idx < os_psq->size) {
+ os_psq->q[idx].id = entry;
+ os_psq->q[idx].arg = arg;
+ }
+ else {
+ os_error (OS_ERR_FIFO_OVF);
+ }
+}
+
+/*----------------------------------------------------------------------------
+ * end of file
+ *---------------------------------------------------------------------------*/
diff -r 000000000000 -r fc74113aca28 mbed-rtos/rtx/TARGET_CORTEX_M/rt_List.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-rtos/rtx/TARGET_CORTEX_M/rt_List.h Thu Apr 14 20:21:15 2022 +0000
@@ -0,0 +1,72 @@
+
+/** \addtogroup rtos */
+/** @{*/
+/*----------------------------------------------------------------------------
+ * CMSIS-RTOS - RTX
+ *----------------------------------------------------------------------------
+ * Name: RT_LIST.H
+ * Purpose: Functions for the management of different lists
+ * Rev.: V4.79
+ *----------------------------------------------------------------------------
+ *
+ * Copyright (c) 1999-2009 KEIL, 2009-2015 ARM Germany GmbH
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * - Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *---------------------------------------------------------------------------*/
+
+/* Definitions */
+
+/* Values for 'cb_type' */
+#define TCB 0U
+#define MCB 1U
+#define SCB 2U
+#define MUCB 3U
+#define HCB 4U
+
+/* Variables */
+extern struct OS_XCB os_rdy;
+extern struct OS_XCB os_dly;
+
+/* Functions */
+extern void rt_put_prio (P_XCB p_CB, P_TCB p_task);
+extern P_TCB rt_get_first (P_XCB p_CB);
+extern void rt_put_rdy_first (P_TCB p_task);
+extern P_TCB rt_get_same_rdy_prio (void);
+extern void rt_resort_prio (P_TCB p_task);
+extern void rt_put_dly (P_TCB p_task, U16 delay);
+extern void rt_dec_dly (void);
+extern void rt_rmv_list (P_TCB p_task);
+extern void rt_rmv_dly (P_TCB p_task);
+extern void rt_psq_enq (OS_ID entry, U32 arg);
+
+/* This is a fast macro generating in-line code */
+#define rt_rdy_prio(void) (os_rdy.p_lnk->prio)
+
+
+/*----------------------------------------------------------------------------
+ * end of file
+ *---------------------------------------------------------------------------*/
+
+
+/** @}*/
diff -r 000000000000 -r fc74113aca28 mbed-rtos/rtx/TARGET_CORTEX_M/rt_Mailbox.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-rtos/rtx/TARGET_CORTEX_M/rt_Mailbox.c Thu Apr 14 20:21:15 2022 +0000
@@ -0,0 +1,293 @@
+/*----------------------------------------------------------------------------
+ * CMSIS-RTOS - RTX
+ *----------------------------------------------------------------------------
+ * Name: RT_MAILBOX.C
+ * Purpose: Implements waits and wake-ups for mailbox messages
+ * Rev.: V4.79
+ *----------------------------------------------------------------------------
+ *
+ * Copyright (c) 1999-2009 KEIL, 2009-2015 ARM Germany GmbH
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * - Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *---------------------------------------------------------------------------*/
+
+#include "rt_TypeDef.h"
+#include "RTX_Config.h"
+#include "rt_System.h"
+#include "rt_List.h"
+#include "rt_Mailbox.h"
+#include "rt_MemBox.h"
+#include "rt_Task.h"
+#include "rt_HAL_CM.h"
+
+
+/*----------------------------------------------------------------------------
+ * Functions
+ *---------------------------------------------------------------------------*/
+
+
+/*--------------------------- rt_mbx_init -----------------------------------*/
+
+void rt_mbx_init (OS_ID mailbox, U16 mbx_size) {
+ /* Initialize a mailbox */
+ P_MCB p_MCB = mailbox;
+
+ p_MCB->cb_type = MCB;
+ p_MCB->state = 0U;
+ p_MCB->isr_st = 0U;
+ p_MCB->p_lnk = NULL;
+ p_MCB->first = 0U;
+ p_MCB->last = 0U;
+ p_MCB->count = 0U;
+ p_MCB->size = (U16)((mbx_size - (sizeof(struct OS_MCB) - (sizeof(void *))))
+ / sizeof(void *));
+}
+
+
+/*--------------------------- rt_mbx_send -----------------------------------*/
+
+OS_RESULT rt_mbx_send (OS_ID mailbox, void *p_msg, U16 timeout) {
+ /* Send message to a mailbox */
+ P_MCB p_MCB = mailbox;
+ P_TCB p_TCB;
+
+ if ((p_MCB->p_lnk != NULL) && (p_MCB->state == 1U)) {
+ /* A task is waiting for message */
+ p_TCB = rt_get_first ((P_XCB)p_MCB);
+#ifdef __CMSIS_RTOS
+ rt_ret_val2(p_TCB, 0x10U/*osEventMessage*/, (U32)p_msg);
+#else
+ *p_TCB->msg = p_msg;
+ rt_ret_val (p_TCB, OS_R_MBX);
+#endif
+ rt_rmv_dly (p_TCB);
+ rt_dispatch (p_TCB);
+ }
+ else {
+ /* Store message in mailbox queue */
+ if (p_MCB->count == p_MCB->size) {
+ /* No free message entry, wait for one. If message queue is full, */
+ /* then no task is waiting for message. The 'p_MCB->p_lnk' list */
+ /* pointer can now be reused for send message waits task list. */
+ if (timeout == 0U) {
+ return (OS_R_TMO);
+ }
+ if (p_MCB->p_lnk != NULL) {
+ rt_put_prio ((P_XCB)p_MCB, os_tsk.run);
+ }
+ else {
+ p_MCB->p_lnk = os_tsk.run;
+ os_tsk.run->p_lnk = NULL;
+ os_tsk.run->p_rlnk = (P_TCB)p_MCB;
+ /* Task is waiting to send a message */
+ p_MCB->state = 2U;
+ }
+ os_tsk.run->msg = p_msg;
+ rt_block (timeout, WAIT_MBX);
+ return (OS_R_TMO);
+ }
+ /* Yes, there is a free entry in a mailbox. */
+ p_MCB->msg[p_MCB->first] = p_msg;
+ rt_inc (&p_MCB->count);
+ if (++p_MCB->first == p_MCB->size) {
+ p_MCB->first = 0U;
+ }
+ }
+ return (OS_R_OK);
+}
+
+
+/*--------------------------- rt_mbx_wait -----------------------------------*/
+
+OS_RESULT rt_mbx_wait (OS_ID mailbox, void **message, U16 timeout) {
+ /* Receive a message; possibly wait for it */
+ P_MCB p_MCB = mailbox;
+ P_TCB p_TCB;
+
+ /* If a message is available in the fifo buffer */
+ /* remove it from the fifo buffer and return. */
+ if (p_MCB->count) {
+ *message = p_MCB->msg[p_MCB->last];
+ if (++p_MCB->last == p_MCB->size) {
+ p_MCB->last = 0U;
+ }
+ if ((p_MCB->p_lnk != NULL) && (p_MCB->state == 2U)) {
+ /* A task is waiting to send message */
+ p_TCB = rt_get_first ((P_XCB)p_MCB);
+#ifdef __CMSIS_RTOS
+ rt_ret_val(p_TCB, 0U/*osOK*/);
+#else
+ rt_ret_val(p_TCB, OS_R_OK);
+#endif
+ p_MCB->msg[p_MCB->first] = p_TCB->msg;
+ if (++p_MCB->first == p_MCB->size) {
+ p_MCB->first = 0U;
+ }
+ rt_rmv_dly (p_TCB);
+ rt_dispatch (p_TCB);
+ }
+ else {
+ rt_dec (&p_MCB->count);
+ }
+ return (OS_R_OK);
+ }
+ /* No message available: wait for one */
+ if (timeout == 0U) {
+ return (OS_R_TMO);
+ }
+ if (p_MCB->p_lnk != NULL) {
+ rt_put_prio ((P_XCB)p_MCB, os_tsk.run);
+ }
+ else {
+ p_MCB->p_lnk = os_tsk.run;
+ os_tsk.run->p_lnk = NULL;
+ os_tsk.run->p_rlnk = (P_TCB)p_MCB;
+ /* Task is waiting to receive a message */
+ p_MCB->state = 1U;
+ }
+ rt_block(timeout, WAIT_MBX);
+#ifndef __CMSIS_RTOS
+ os_tsk.run->msg = message;
+#endif
+ return (OS_R_TMO);
+}
+
+
+/*--------------------------- rt_mbx_check ----------------------------------*/
+
+OS_RESULT rt_mbx_check (OS_ID mailbox) {
+ /* Check for free space in a mailbox. Returns the number of messages */
+ /* that can be stored to a mailbox. It returns 0 when mailbox is full. */
+ P_MCB p_MCB = mailbox;
+
+ return ((U32)(p_MCB->size - p_MCB->count));
+}
+
+
+/*--------------------------- isr_mbx_send ----------------------------------*/
+
+void isr_mbx_send (OS_ID mailbox, void *p_msg) {
+ /* Same function as "os_mbx_send", but to be called by ISRs. */
+ P_MCB p_MCB = mailbox;
+
+ rt_psq_enq (p_MCB, (U32)p_msg);
+ rt_psh_req ();
+}
+
+
+/*--------------------------- isr_mbx_receive -------------------------------*/
+
+OS_RESULT isr_mbx_receive (OS_ID mailbox, void **message) {
+ /* Receive a message in the interrupt function. The interrupt function */
+ /* should not wait for a message since this would block the rtx os. */
+ P_MCB p_MCB = mailbox;
+
+ if (p_MCB->count) {
+ /* A message is available in the fifo buffer. */
+ *message = p_MCB->msg[p_MCB->last];
+ if (p_MCB->state == 2U) {
+ /* A task is locked waiting to send message */
+ rt_psq_enq (p_MCB, 0U);
+ rt_psh_req ();
+ }
+ rt_dec (&p_MCB->count);
+ if (++p_MCB->last == p_MCB->size) {
+ p_MCB->last = 0U;
+ }
+ return (OS_R_MBX);
+ }
+ return (OS_R_OK);
+}
+
+
+/*--------------------------- rt_mbx_psh ------------------------------------*/
+
+void rt_mbx_psh (P_MCB p_CB, void *p_msg) {
+ /* Store the message to the mailbox queue or pass it to task directly. */
+ P_TCB p_TCB;
+ void *mem;
+
+ if (p_CB->p_lnk != NULL) switch (p_CB->state) {
+#ifdef __CMSIS_RTOS
+ case 3:
+ /* Task is waiting to allocate memory, remove it from the waiting list */
+ mem = rt_alloc_box(p_msg);
+ if (mem == NULL) { break; }
+ p_TCB = rt_get_first ((P_XCB)p_CB);
+ rt_ret_val(p_TCB, (U32)mem);
+ p_TCB->state = READY;
+ rt_rmv_dly (p_TCB);
+ rt_put_prio (&os_rdy, p_TCB);
+ break;
+#endif
+ case 2:
+ /* Task is waiting to send a message, remove it from the waiting list */
+ p_TCB = rt_get_first ((P_XCB)p_CB);
+#ifdef __CMSIS_RTOS
+ rt_ret_val(p_TCB, 0U/*osOK*/);
+#else
+ rt_ret_val(p_TCB, OS_R_OK);
+#endif
+ p_CB->msg[p_CB->first] = p_TCB->msg;
+ rt_inc (&p_CB->count);
+ if (++p_CB->first == p_CB->size) {
+ p_CB->first = 0U;
+ }
+ p_TCB->state = READY;
+ rt_rmv_dly (p_TCB);
+ rt_put_prio (&os_rdy, p_TCB);
+ break;
+ case 1:
+ /* Task is waiting for a message, pass the message to the task directly */
+ p_TCB = rt_get_first ((P_XCB)p_CB);
+#ifdef __CMSIS_RTOS
+ rt_ret_val2(p_TCB, 0x10U/*osEventMessage*/, (U32)p_msg);
+#else
+ *p_TCB->msg = p_msg;
+ rt_ret_val (p_TCB, OS_R_MBX);
+#endif
+ p_TCB->state = READY;
+ rt_rmv_dly (p_TCB);
+ rt_put_prio (&os_rdy, p_TCB);
+ break;
+ default:
+ break;
+ } else {
+ /* No task is waiting for a message, store it to the mailbox queue */
+ if (p_CB->count < p_CB->size) {
+ p_CB->msg[p_CB->first] = p_msg;
+ rt_inc (&p_CB->count);
+ if (++p_CB->first == p_CB->size) {
+ p_CB->first = 0U;
+ }
+ }
+ else {
+ os_error (OS_ERR_MBX_OVF);
+ }
+ }
+}
+
+/*----------------------------------------------------------------------------
+ * end of file
+ *---------------------------------------------------------------------------*/
diff -r 000000000000 -r fc74113aca28 mbed-rtos/rtx/TARGET_CORTEX_M/rt_Mailbox.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-rtos/rtx/TARGET_CORTEX_M/rt_Mailbox.h Thu Apr 14 20:21:15 2022 +0000
@@ -0,0 +1,53 @@
+
+/** \addtogroup rtos */
+/** @{*/
+/*----------------------------------------------------------------------------
+ * CMSIS-RTOS - RTX
+ *----------------------------------------------------------------------------
+ * Name: RT_MAILBOX.H
+ * Purpose: Implements waits and wake-ups for mailbox messages
+ * Rev.: V4.70
+ *----------------------------------------------------------------------------
+ *
+ * Copyright (c) 1999-2009 KEIL, 2009-2013 ARM Germany GmbH
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * - Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *---------------------------------------------------------------------------*/
+
+/* Functions */
+extern void rt_mbx_init (OS_ID mailbox, U16 mbx_size);
+extern OS_RESULT rt_mbx_send (OS_ID mailbox, void *p_msg, U16 timeout);
+extern OS_RESULT rt_mbx_wait (OS_ID mailbox, void **message, U16 timeout);
+extern OS_RESULT rt_mbx_check (OS_ID mailbox);
+extern void isr_mbx_send (OS_ID mailbox, void *p_msg);
+extern OS_RESULT isr_mbx_receive (OS_ID mailbox, void **message);
+extern void rt_mbx_psh (P_MCB p_CB, void *p_msg);
+
+
+/*----------------------------------------------------------------------------
+ * end of file
+ *---------------------------------------------------------------------------*/
+
+
+/** @}*/
diff -r 000000000000 -r fc74113aca28 mbed-rtos/rtx/TARGET_CORTEX_M/rt_MemBox.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-rtos/rtx/TARGET_CORTEX_M/rt_MemBox.c Thu Apr 14 20:21:15 2022 +0000
@@ -0,0 +1,168 @@
+/*----------------------------------------------------------------------------
+ * CMSIS-RTOS - RTX
+ *----------------------------------------------------------------------------
+ * Name: RT_MEMBOX.C
+ * Purpose: Interface functions for fixed memory block management system
+ * Rev.: V4.79
+ *----------------------------------------------------------------------------
+ *
+ * Copyright (c) 1999-2009 KEIL, 2009-2015 ARM Germany GmbH
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * - Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *---------------------------------------------------------------------------*/
+
+#include "rt_TypeDef.h"
+#include "RTX_Config.h"
+#include "rt_System.h"
+#include "rt_MemBox.h"
+#include "rt_HAL_CM.h"
+
+/*----------------------------------------------------------------------------
+ * Global Functions
+ *---------------------------------------------------------------------------*/
+
+
+/*--------------------------- _init_box -------------------------------------*/
+
+U32 _init_box (void *box_mem, U32 box_size, U32 blk_size) {
+ /* Initialize memory block system, returns 0 if OK, 1 if fails. */
+ void *end;
+ void *blk;
+ void *next;
+ U32 sizeof_bm;
+
+ /* Create memory structure. */
+ if (blk_size & BOX_ALIGN_8) {
+ /* Memory blocks 8-byte aligned. */
+ blk_size = ((blk_size & ~BOX_ALIGN_8) + 7U) & ~(U32)7U;
+ sizeof_bm = (sizeof (struct OS_BM) + 7U) & ~(U32)7U;
+ }
+ else {
+ /* Memory blocks 4-byte aligned. */
+ blk_size = (blk_size + 3U) & ~(U32)3U;
+ sizeof_bm = sizeof (struct OS_BM);
+ }
+ if (blk_size == 0U) {
+ return (1U);
+ }
+ if ((blk_size + sizeof_bm) > box_size) {
+ return (1U);
+ }
+ /* Create a Memory structure. */
+ blk = ((U8 *) box_mem) + sizeof_bm;
+ ((P_BM) box_mem)->free = blk;
+ end = ((U8 *) box_mem) + box_size;
+ ((P_BM) box_mem)->end = end;
+ ((P_BM) box_mem)->blk_size = blk_size;
+
+ /* Link all free blocks using offsets. */
+ end = ((U8 *) end) - blk_size;
+ while (1) {
+ next = ((U8 *) blk) + blk_size;
+ if (next > end) { break; }
+ *((void **)blk) = next;
+ blk = next;
+ }
+ /* end marker */
+ *((void **)blk) = 0U;
+ return (0U);
+}
+
+/*--------------------------- rt_alloc_box ----------------------------------*/
+
+void *rt_alloc_box (void *box_mem) {
+ /* Allocate a memory block and return start address. */
+ void **free;
+#ifndef __USE_EXCLUSIVE_ACCESS
+ U32 irq_mask;
+
+ irq_mask = (U32)__disable_irq ();
+ free = ((P_BM) box_mem)->free;
+ if (free) {
+ ((P_BM) box_mem)->free = *free;
+ }
+ if (irq_mask == 0U) { __enable_irq (); }
+#else
+ do {
+ if ((free = (void **)__ldrex(&((P_BM) box_mem)->free)) == 0U) {
+ __clrex();
+ break;
+ }
+ } while (__strex((U32)*free, &((P_BM) box_mem)->free));
+#endif
+ return (free);
+}
+
+
+/*--------------------------- _calloc_box -----------------------------------*/
+
+void *_calloc_box (void *box_mem) {
+ /* Allocate a 0-initialized memory block and return start address. */
+ void *free;
+ U32 *p;
+ U32 i;
+
+ free = _alloc_box (box_mem);
+ if (free) {
+ p = free;
+ for (i = ((P_BM) box_mem)->blk_size; i; i -= 4U) {
+ *p = 0U;
+ p++;
+ }
+ }
+ return (free);
+}
+
+
+/*--------------------------- rt_free_box -----------------------------------*/
+
+U32 rt_free_box (void *box_mem, void *box) {
+ /* Free a memory block, returns 0 if OK, 1 if box does not belong to box_mem */
+#ifndef __USE_EXCLUSIVE_ACCESS
+ U32 irq_mask;
+#endif
+
+ if ((box < box_mem) || (box >= ((P_BM) box_mem)->end)) {
+ return (1U);
+ }
+
+#ifndef __USE_EXCLUSIVE_ACCESS
+ irq_mask = (U32)__disable_irq ();
+ *((void **)box) = ((P_BM) box_mem)->free;
+ ((P_BM) box_mem)->free = box;
+ if (irq_mask == 0U) { __enable_irq (); }
+#else
+ do {
+ do {
+ *((void **)box) = ((P_BM) box_mem)->free;
+ __DMB();
+ } while (*(void**)box != (void *)__ldrex(&((P_BM) box_mem)->free));
+ } while (__strex ((U32)box, &((P_BM) box_mem)->free));
+#endif
+ return (0U);
+}
+
+/*----------------------------------------------------------------------------
+ * end of file
+ *---------------------------------------------------------------------------*/
diff -r 000000000000 -r fc74113aca28 mbed-rtos/rtx/TARGET_CORTEX_M/rt_MemBox.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-rtos/rtx/TARGET_CORTEX_M/rt_MemBox.h Thu Apr 14 20:21:15 2022 +0000
@@ -0,0 +1,50 @@
+
+/** \addtogroup rtos */
+/** @{*/
+/*----------------------------------------------------------------------------
+ * CMSIS-RTOS - RTX
+ *----------------------------------------------------------------------------
+ * Name: RT_MEMBOX.H
+ * Purpose: Interface functions for fixed memory block management system
+ * Rev.: V4.79
+ *----------------------------------------------------------------------------
+ *
+ * Copyright (c) 1999-2009 KEIL, 2009-2015 ARM Germany GmbH
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * - Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *---------------------------------------------------------------------------*/
+
+/* Functions */
+#define rt_init_box _init_box
+#define rt_calloc_box _calloc_box
+extern U32 _init_box (void *box_mem, U32 box_size, U32 blk_size);
+extern void *rt_alloc_box (void *box_mem);
+extern void * _calloc_box (void *box_mem);
+extern U32 rt_free_box (void *box_mem, void *box);
+
+/*----------------------------------------------------------------------------
+ * end of file
+ *---------------------------------------------------------------------------*/
+
+/** @}*/
diff -r 000000000000 -r fc74113aca28 mbed-rtos/rtx/TARGET_CORTEX_M/rt_Memory.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-rtos/rtx/TARGET_CORTEX_M/rt_Memory.c Thu Apr 14 20:21:15 2022 +0000
@@ -0,0 +1,140 @@
+/*----------------------------------------------------------------------------
+ * CMSIS-RTOS - RTX
+ *----------------------------------------------------------------------------
+ * Name: RT_MEMORY.C
+ * Purpose: Interface functions for Dynamic Memory Management System
+ * Rev.: V4.79
+ *----------------------------------------------------------------------------
+ *
+ * Copyright (c) 1999-2009 KEIL, 2009-2015 ARM Germany GmbH
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * - Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *---------------------------------------------------------------------------*/
+
+#include "rt_TypeDef.h"
+#include "rt_Memory.h"
+
+
+/* Functions */
+
+// Initialize Dynamic Memory pool
+// Parameters:
+// pool: Pointer to memory pool
+// size: Size of memory pool in bytes
+// Return: 0 - OK, 1 - Error
+
+U32 rt_init_mem (void *pool, U32 size) {
+ MEMP *ptr;
+
+ if ((pool == NULL) || (size < sizeof(MEMP))) { return (1U); }
+
+ ptr = (MEMP *)pool;
+ ptr->next = (MEMP *)((U32)pool + size - sizeof(MEMP *));
+ ptr->next->next = NULL;
+ ptr->len = 0U;
+
+ return (0U);
+}
+
+// Allocate Memory from Memory pool
+// Parameters:
+// pool: Pointer to memory pool
+// size: Size of memory in bytes to allocate
+// Return: Pointer to allocated memory
+
+void *rt_alloc_mem (void *pool, U32 size) {
+ MEMP *p, *p_search, *p_new;
+ U32 hole_size;
+
+ if ((pool == NULL) || (size == 0U)) { return NULL; }
+
+ /* Add header offset to 'size' */
+ size += sizeof(MEMP);
+ /* Make sure that block is 4-byte aligned */
+ size = (size + 3U) & ~(U32)3U;
+
+ p_search = (MEMP *)pool;
+ while (1) {
+ hole_size = (U32)p_search->next - (U32)p_search;
+ hole_size -= p_search->len;
+ /* Check if hole size is big enough */
+ if (hole_size >= size) { break; }
+ p_search = p_search->next;
+ if (p_search->next == NULL) {
+ /* Failed, we are at the end of the list */
+ return NULL;
+ }
+ }
+
+ if (p_search->len == 0U) {
+ /* No block is allocated, set the Length of the first element */
+ p_search->len = size;
+ p = (MEMP *)(((U32)p_search) + sizeof(MEMP));
+ } else {
+ /* Insert new list element into the memory list */
+ p_new = (MEMP *)((U32)p_search + p_search->len);
+ p_new->next = p_search->next;
+ p_new->len = size;
+ p_search->next = p_new;
+ p = (MEMP *)(((U32)p_new) + sizeof(MEMP));
+ }
+
+ return (p);
+}
+
+// Free Memory and return it to Memory pool
+// Parameters:
+// pool: Pointer to memory pool
+// mem: Pointer to memory to free
+// Return: 0 - OK, 1 - Error
+
+U32 rt_free_mem (void *pool, void *mem) {
+ MEMP *p_search, *p_prev, *p_return;
+
+ if ((pool == NULL) || (mem == NULL)) { return (1U); }
+
+ p_return = (MEMP *)((U32)mem - sizeof(MEMP));
+
+ /* Set list header */
+ p_prev = NULL;
+ p_search = (MEMP *)pool;
+ while (p_search != p_return) {
+ p_prev = p_search;
+ p_search = p_search->next;
+ if (p_search == NULL) {
+ /* Valid Memory block not found */
+ return (1U);
+ }
+ }
+
+ if (p_prev == NULL) {
+ /* First block to be released, only set length to 0 */
+ p_search->len = 0U;
+ } else {
+ /* Discard block from chain list */
+ p_prev->next = p_search->next;
+ }
+
+ return (0U);
+}
diff -r 000000000000 -r fc74113aca28 mbed-rtos/rtx/TARGET_CORTEX_M/rt_Memory.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-rtos/rtx/TARGET_CORTEX_M/rt_Memory.h Thu Apr 14 20:21:15 2022 +0000
@@ -0,0 +1,49 @@
+
+/** \addtogroup rtos */
+/** @{*/
+/*----------------------------------------------------------------------------
+ * CMSIS-RTOS - RTX
+ *----------------------------------------------------------------------------
+ * Name: RT_MEMORY.H
+ * Purpose: Interface functions for Dynamic Memory Management System
+ * Rev.: V4.79
+ *----------------------------------------------------------------------------
+ *
+ * Copyright (c) 1999-2009 KEIL, 2009-2015 ARM Germany GmbH
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * - Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *---------------------------------------------------------------------------*/
+
+/* Types */
+typedef struct mem { /* << Memory Pool management struct >> */
+ struct mem *next; /* Next Memory Block in the list */
+ U32 len; /* Length of data block */
+} MEMP;
+
+/* Functions */
+extern U32 rt_init_mem (void *pool, U32 size);
+extern void *rt_alloc_mem (void *pool, U32 size);
+extern U32 rt_free_mem (void *pool, void *mem);
+
+/** @}*/
diff -r 000000000000 -r fc74113aca28 mbed-rtos/rtx/TARGET_CORTEX_M/rt_Mutex.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-rtos/rtx/TARGET_CORTEX_M/rt_Mutex.c Thu Apr 14 20:21:15 2022 +0000
@@ -0,0 +1,259 @@
+/*----------------------------------------------------------------------------
+ * CMSIS-RTOS - RTX
+ *----------------------------------------------------------------------------
+ * Name: RT_MUTEX.C
+ * Purpose: Implements mutex synchronization objects
+ * Rev.: V4.79
+ *----------------------------------------------------------------------------
+ *
+ * Copyright (c) 1999-2009 KEIL, 2009-2015 ARM Germany GmbH
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * - Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *---------------------------------------------------------------------------*/
+
+#include "rt_TypeDef.h"
+#include "RTX_Config.h"
+#include "rt_List.h"
+#include "rt_Task.h"
+#include "rt_Mutex.h"
+#include "rt_HAL_CM.h"
+
+
+/*----------------------------------------------------------------------------
+ * Functions
+ *---------------------------------------------------------------------------*/
+
+
+/*--------------------------- rt_mut_init -----------------------------------*/
+
+void rt_mut_init (OS_ID mutex) {
+ /* Initialize a mutex object */
+ P_MUCB p_MCB = mutex;
+
+ p_MCB->cb_type = MUCB;
+ p_MCB->level = 0U;
+ p_MCB->p_lnk = NULL;
+ p_MCB->owner = NULL;
+ p_MCB->p_mlnk = NULL;
+}
+
+
+/*--------------------------- rt_mut_delete ---------------------------------*/
+
+#ifdef __CMSIS_RTOS
+OS_RESULT rt_mut_delete (OS_ID mutex) {
+ /* Delete a mutex object */
+ P_MUCB p_MCB = mutex;
+ P_TCB p_TCB;
+ P_MUCB p_mlnk;
+ U8 prio;
+
+ if (p_MCB->level != 0U) {
+
+ p_TCB = p_MCB->owner;
+
+ /* Remove mutex from task mutex owner list. */
+ p_mlnk = p_TCB->p_mlnk;
+ if (p_mlnk == p_MCB) {
+ p_TCB->p_mlnk = p_MCB->p_mlnk;
+ }
+ else {
+ while (p_mlnk) {
+ if (p_mlnk->p_mlnk == p_MCB) {
+ p_mlnk->p_mlnk = p_MCB->p_mlnk;
+ break;
+ }
+ p_mlnk = p_mlnk->p_mlnk;
+ }
+ }
+
+ /* Restore owner task's priority. */
+ prio = p_TCB->prio_base;
+ p_mlnk = p_TCB->p_mlnk;
+ while (p_mlnk) {
+ if ((p_mlnk->p_lnk != NULL) && (p_mlnk->p_lnk->prio > prio)) {
+ /* A task with higher priority is waiting for mutex. */
+ prio = p_mlnk->p_lnk->prio;
+ }
+ p_mlnk = p_mlnk->p_mlnk;
+ }
+ if (p_TCB->prio != prio) {
+ p_TCB->prio = prio;
+ if (p_TCB != os_tsk.run) {
+ rt_resort_prio (p_TCB);
+ }
+ }
+
+ }
+
+ while (p_MCB->p_lnk != NULL) {
+ /* A task is waiting for mutex. */
+ p_TCB = rt_get_first ((P_XCB)p_MCB);
+ rt_ret_val(p_TCB, 0U/*osOK*/);
+ rt_rmv_dly(p_TCB);
+ p_TCB->state = READY;
+ rt_put_prio (&os_rdy, p_TCB);
+ }
+
+ if ((os_rdy.p_lnk != NULL) && (os_rdy.p_lnk->prio > os_tsk.run->prio)) {
+ /* preempt running task */
+ rt_put_prio (&os_rdy, os_tsk.run);
+ os_tsk.run->state = READY;
+ rt_dispatch (NULL);
+ }
+
+ p_MCB->cb_type = 0U;
+
+ return (OS_R_OK);
+}
+#endif
+
+
+/*--------------------------- rt_mut_release --------------------------------*/
+
+OS_RESULT rt_mut_release (OS_ID mutex) {
+ /* Release a mutex object */
+ P_MUCB p_MCB = mutex;
+ P_TCB p_TCB;
+ P_MUCB p_mlnk;
+ U8 prio;
+
+ if ((p_MCB->level == 0U) || (p_MCB->owner != os_tsk.run)) {
+ /* Unbalanced mutex release or task is not the owner */
+ return (OS_R_NOK);
+ }
+ if (--p_MCB->level != 0U) {
+ return (OS_R_OK);
+ }
+
+ /* Remove mutex from task mutex owner list. */
+ p_mlnk = os_tsk.run->p_mlnk;
+ if (p_mlnk == p_MCB) {
+ os_tsk.run->p_mlnk = p_MCB->p_mlnk;
+ }
+ else {
+ while (p_mlnk) {
+ if (p_mlnk->p_mlnk == p_MCB) {
+ p_mlnk->p_mlnk = p_MCB->p_mlnk;
+ break;
+ }
+ p_mlnk = p_mlnk->p_mlnk;
+ }
+ }
+
+ /* Restore owner task's priority. */
+ prio = os_tsk.run->prio_base;
+ p_mlnk = os_tsk.run->p_mlnk;
+ while (p_mlnk) {
+ if ((p_mlnk->p_lnk != NULL) && (p_mlnk->p_lnk->prio > prio)) {
+ /* A task with higher priority is waiting for mutex. */
+ prio = p_mlnk->p_lnk->prio;
+ }
+ p_mlnk = p_mlnk->p_mlnk;
+ }
+ os_tsk.run->prio = prio;
+
+ if (p_MCB->p_lnk != NULL) {
+ /* A task is waiting for mutex. */
+ p_TCB = rt_get_first ((P_XCB)p_MCB);
+#ifdef __CMSIS_RTOS
+ rt_ret_val(p_TCB, 0U/*osOK*/);
+#else
+ rt_ret_val(p_TCB, OS_R_MUT);
+#endif
+ rt_rmv_dly (p_TCB);
+ /* A waiting task becomes the owner of this mutex. */
+ p_MCB->level = 1U;
+ p_MCB->owner = p_TCB;
+ p_MCB->p_mlnk = p_TCB->p_mlnk;
+ p_TCB->p_mlnk = p_MCB;
+ /* Priority inversion, check which task continues. */
+ if (os_tsk.run->prio >= rt_rdy_prio()) {
+ rt_dispatch (p_TCB);
+ }
+ else {
+ /* Ready task has higher priority than running task. */
+ rt_put_prio (&os_rdy, os_tsk.run);
+ rt_put_prio (&os_rdy, p_TCB);
+ os_tsk.run->state = READY;
+ p_TCB->state = READY;
+ rt_dispatch (NULL);
+ }
+ }
+ else {
+ /* Check if own priority lowered by priority inversion. */
+ if (rt_rdy_prio() > os_tsk.run->prio) {
+ rt_put_prio (&os_rdy, os_tsk.run);
+ os_tsk.run->state = READY;
+ rt_dispatch (NULL);
+ }
+ }
+ return (OS_R_OK);
+}
+
+
+/*--------------------------- rt_mut_wait -----------------------------------*/
+
+OS_RESULT rt_mut_wait (OS_ID mutex, U16 timeout) {
+ /* Wait for a mutex, continue when mutex is free. */
+ P_MUCB p_MCB = mutex;
+
+ if (p_MCB->level == 0U) {
+ p_MCB->owner = os_tsk.run;
+ p_MCB->p_mlnk = os_tsk.run->p_mlnk;
+ os_tsk.run->p_mlnk = p_MCB;
+ goto inc;
+ }
+ if (p_MCB->owner == os_tsk.run) {
+ /* OK, running task is the owner of this mutex. */
+inc:p_MCB->level++;
+ return (OS_R_OK);
+ }
+ /* Mutex owned by another task, wait until released. */
+ if (timeout == 0U) {
+ return (OS_R_TMO);
+ }
+ /* Raise the owner task priority if lower than current priority. */
+ /* This priority inversion is called priority inheritance. */
+ if (p_MCB->owner->prio < os_tsk.run->prio) {
+ p_MCB->owner->prio = os_tsk.run->prio;
+ rt_resort_prio (p_MCB->owner);
+ }
+ if (p_MCB->p_lnk != NULL) {
+ rt_put_prio ((P_XCB)p_MCB, os_tsk.run);
+ }
+ else {
+ p_MCB->p_lnk = os_tsk.run;
+ os_tsk.run->p_lnk = NULL;
+ os_tsk.run->p_rlnk = (P_TCB)p_MCB;
+ }
+ rt_block(timeout, WAIT_MUT);
+ return (OS_R_TMO);
+}
+
+
+/*----------------------------------------------------------------------------
+ * end of file
+ *---------------------------------------------------------------------------*/
+
diff -r 000000000000 -r fc74113aca28 mbed-rtos/rtx/TARGET_CORTEX_M/rt_Mutex.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-rtos/rtx/TARGET_CORTEX_M/rt_Mutex.h Thu Apr 14 20:21:15 2022 +0000
@@ -0,0 +1,49 @@
+
+/** \addtogroup rtos */
+/** @{*/
+/*----------------------------------------------------------------------------
+ * CMSIS-RTOS - RTX
+ *----------------------------------------------------------------------------
+ * Name: RT_MUTEX.H
+ * Purpose: Implements mutex synchronization objects
+ * Rev.: V4.70
+ *----------------------------------------------------------------------------
+ *
+ * Copyright (c) 1999-2009 KEIL, 2009-2013 ARM Germany GmbH
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * - Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *---------------------------------------------------------------------------*/
+
+/* Functions */
+extern void rt_mut_init (OS_ID mutex);
+extern OS_RESULT rt_mut_delete (OS_ID mutex);
+extern OS_RESULT rt_mut_release (OS_ID mutex);
+extern OS_RESULT rt_mut_wait (OS_ID mutex, U16 timeout);
+
+/*----------------------------------------------------------------------------
+ * end of file
+ *---------------------------------------------------------------------------*/
+
+
+/** @}*/
diff -r 000000000000 -r fc74113aca28 mbed-rtos/rtx/TARGET_CORTEX_M/rt_OsEventObserver.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-rtos/rtx/TARGET_CORTEX_M/rt_OsEventObserver.c Thu Apr 14 20:21:15 2022 +0000
@@ -0,0 +1,61 @@
+/*----------------------------------------------------------------------------
+ * CMSIS-RTOS - RTX
+ *----------------------------------------------------------------------------
+ * Name: rt_OsEventObserver.c
+ * Purpose: OS Event Callbacks for CMSIS RTOS
+ * Rev.: VX.XX
+ *----------------------------------------------------------------------------
+ *
+ * Copyright (c) 1999-2009 KEIL, 2009-2015 ARM Germany GmbH
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * - Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *---------------------------------------------------------------------------*/
+
+#include "rt_OsEventObserver.h"
+
+/*
+ * _____ _____ ____ __ _____
+ * | ___|_ _\ \/ / \/ | ____|
+ * | |_ | | \ /| |\/| | _|
+ * | _| | | / \| | | | |___
+ * |_| |___/_/\_\_| |_|_____|
+ *
+ * FIXME:
+ * The osEventObs variable must be in protected memory. If not every box
+ * and box 0 can modify osEventObs to point to any handler to run code
+ * privileged. This issue is tracked at
+ * <https://github.com/ARMmbed/uvisor/issues/235>.
+ */
+const OsEventObserver *osEventObs;
+
+void osRegisterForOsEvents(const OsEventObserver *observer)
+{
+ static uint8_t has_been_called = 0;
+ if (has_been_called) {
+ return;
+ }
+ has_been_called = 1;
+
+ osEventObs = observer;
+}
diff -r 000000000000 -r fc74113aca28 mbed-rtos/rtx/TARGET_CORTEX_M/rt_OsEventObserver.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-rtos/rtx/TARGET_CORTEX_M/rt_OsEventObserver.h Thu Apr 14 20:21:15 2022 +0000
@@ -0,0 +1,63 @@
+
+/** \addtogroup rtos */
+/** @{*/
+/*----------------------------------------------------------------------------
+ * CMSIS-RTOS - RTX
+ *----------------------------------------------------------------------------
+ * Name: os_events.h
+ * Purpose: OS Event Callbacks for CMSIS RTOS
+ * Rev.: VX.XX
+ *----------------------------------------------------------------------------
+ *
+ * Copyright (c) 1999-2009 KEIL, 2009-2016 ARM Germany GmbH
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * - Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *---------------------------------------------------------------------------*/
+#ifndef _RT_OS_EVENT_OBSERVER_H
+#define _RT_OS_EVENT_OBSERVER_H
+
+#include <stdint.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct {
+ uint32_t version;
+ void (*pre_start)(void);
+ void *(*thread_create)(int thread_id, void *context);
+ void (*thread_destroy)(void *context);
+ void (*thread_switch)(void *context);
+} OsEventObserver;
+extern const OsEventObserver *osEventObs;
+
+void osRegisterForOsEvents(const OsEventObserver *observer);
+
+#ifdef __cplusplus
+};
+#endif
+
+#endif
+
+/** @}*/
diff -r 000000000000 -r fc74113aca28 mbed-rtos/rtx/TARGET_CORTEX_M/rt_Robin.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-rtos/rtx/TARGET_CORTEX_M/rt_Robin.c Thu Apr 14 20:21:15 2022 +0000
@@ -0,0 +1,83 @@
+/*----------------------------------------------------------------------------
+ * CMSIS-RTOS - RTX
+ *----------------------------------------------------------------------------
+ * Name: RT_ROBIN.C
+ * Purpose: Round Robin Task switching
+ * Rev.: V4.79
+ *----------------------------------------------------------------------------
+ *
+ * Copyright (c) 1999-2009 KEIL, 2009-2015 ARM Germany GmbH
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * - Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *---------------------------------------------------------------------------*/
+
+#include "rt_TypeDef.h"
+#include "RTX_Config.h"
+#include "rt_List.h"
+#include "rt_Task.h"
+#include "rt_Time.h"
+#include "rt_Robin.h"
+#include "rt_HAL_CM.h"
+
+/*----------------------------------------------------------------------------
+ * Global Variables
+ *---------------------------------------------------------------------------*/
+
+struct OS_ROBIN os_robin;
+
+
+/*----------------------------------------------------------------------------
+ * Global Functions
+ *---------------------------------------------------------------------------*/
+
+/*--------------------------- rt_init_robin ---------------------------------*/
+
+__weak void rt_init_robin (void) {
+ /* Initialize Round Robin variables. */
+ os_robin.task = NULL;
+ os_robin.tout = (U16)os_rrobin;
+}
+
+/*--------------------------- rt_chk_robin ----------------------------------*/
+
+__weak void rt_chk_robin (void) {
+ /* Check if Round Robin timeout expired and switch to the next ready task.*/
+ P_TCB p_new;
+
+ if (os_robin.task != os_rdy.p_lnk) {
+ /* New task was suspended, reset Round Robin timeout. */
+ os_robin.task = os_rdy.p_lnk;
+ os_robin.time = (U16)os_time + os_robin.tout - 1U;
+ }
+ if (os_robin.time == (U16)os_time) {
+ /* Round Robin timeout has expired, swap Robin tasks. */
+ os_robin.task = NULL;
+ p_new = rt_get_first (&os_rdy);
+ rt_put_prio ((P_XCB)&os_rdy, p_new);
+ }
+}
+
+/*----------------------------------------------------------------------------
+ * end of file
+ *---------------------------------------------------------------------------*/
diff -r 000000000000 -r fc74113aca28 mbed-rtos/rtx/TARGET_CORTEX_M/rt_Robin.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-rtos/rtx/TARGET_CORTEX_M/rt_Robin.h Thu Apr 14 20:21:15 2022 +0000
@@ -0,0 +1,50 @@
+
+/** \addtogroup rtos */
+/** @{*/
+/*----------------------------------------------------------------------------
+ * CMSIS-RTOS - RTX
+ *----------------------------------------------------------------------------
+ * Name: RT_ROBIN.H
+ * Purpose: Round Robin Task switching definitions
+ * Rev.: V4.70
+ *----------------------------------------------------------------------------
+ *
+ * Copyright (c) 1999-2009 KEIL, 2009-2013 ARM Germany GmbH
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * - Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *---------------------------------------------------------------------------*/
+
+/* Variables */
+extern struct OS_ROBIN os_robin;
+
+/* Functions */
+extern void rt_init_robin (void);
+extern void rt_chk_robin (void);
+
+/*----------------------------------------------------------------------------
+ * end of file
+ *---------------------------------------------------------------------------*/
+
+
+/** @}*/
diff -r 000000000000 -r fc74113aca28 mbed-rtos/rtx/TARGET_CORTEX_M/rt_Semaphore.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-rtos/rtx/TARGET_CORTEX_M/rt_Semaphore.c Thu Apr 14 20:21:15 2022 +0000
@@ -0,0 +1,182 @@
+/*----------------------------------------------------------------------------
+ * CMSIS-RTOS - RTX
+ *----------------------------------------------------------------------------
+ * Name: RT_SEMAPHORE.C
+ * Purpose: Implements binary and counting semaphores
+ * Rev.: V4.79
+ *----------------------------------------------------------------------------
+ *
+ * Copyright (c) 1999-2009 KEIL, 2009-2015 ARM Germany GmbH
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * - Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *---------------------------------------------------------------------------*/
+
+#include "rt_TypeDef.h"
+#include "RTX_Config.h"
+#include "rt_System.h"
+#include "rt_List.h"
+#include "rt_Task.h"
+#include "rt_Semaphore.h"
+#include "rt_HAL_CM.h"
+
+
+/*----------------------------------------------------------------------------
+ * Functions
+ *---------------------------------------------------------------------------*/
+
+
+/*--------------------------- rt_sem_init -----------------------------------*/
+
+void rt_sem_init (OS_ID semaphore, U16 token_count) {
+ /* Initialize a semaphore */
+ P_SCB p_SCB = semaphore;
+
+ p_SCB->cb_type = SCB;
+ p_SCB->p_lnk = NULL;
+ p_SCB->tokens = token_count;
+}
+
+
+/*--------------------------- rt_sem_delete ---------------------------------*/
+
+#ifdef __CMSIS_RTOS
+OS_RESULT rt_sem_delete (OS_ID semaphore) {
+ /* Delete semaphore */
+ P_SCB p_SCB = semaphore;
+ P_TCB p_TCB;
+
+ while (p_SCB->p_lnk != NULL) {
+ /* A task is waiting for token */
+ p_TCB = rt_get_first ((P_XCB)p_SCB);
+ rt_ret_val(p_TCB, 0U);
+ rt_rmv_dly(p_TCB);
+ p_TCB->state = READY;
+ rt_put_prio (&os_rdy, p_TCB);
+ }
+
+ if ((os_rdy.p_lnk != NULL) && (os_rdy.p_lnk->prio > os_tsk.run->prio)) {
+ /* preempt running task */
+ rt_put_prio (&os_rdy, os_tsk.run);
+ os_tsk.run->state = READY;
+ rt_dispatch (NULL);
+ }
+
+ p_SCB->cb_type = 0U;
+
+ return (OS_R_OK);
+}
+#endif
+
+
+/*--------------------------- rt_sem_send -----------------------------------*/
+
+OS_RESULT rt_sem_send (OS_ID semaphore) {
+ /* Return a token to semaphore */
+ P_SCB p_SCB = semaphore;
+ P_TCB p_TCB;
+
+ if (p_SCB->p_lnk != NULL) {
+ /* A task is waiting for token */
+ p_TCB = rt_get_first ((P_XCB)p_SCB);
+#ifdef __CMSIS_RTOS
+ rt_ret_val(p_TCB, 1U);
+#else
+ rt_ret_val(p_TCB, OS_R_SEM);
+#endif
+ rt_rmv_dly (p_TCB);
+ rt_dispatch (p_TCB);
+ }
+ else {
+ /* Store token. */
+ p_SCB->tokens++;
+ }
+ return (OS_R_OK);
+}
+
+
+/*--------------------------- rt_sem_wait -----------------------------------*/
+
+OS_RESULT rt_sem_wait (OS_ID semaphore, U16 timeout) {
+ /* Obtain a token; possibly wait for it */
+ P_SCB p_SCB = semaphore;
+
+ if (p_SCB->tokens) {
+ p_SCB->tokens--;
+ return (OS_R_OK);
+ }
+ /* No token available: wait for one */
+ if (timeout == 0U) {
+ return (OS_R_TMO);
+ }
+ if (p_SCB->p_lnk != NULL) {
+ rt_put_prio ((P_XCB)p_SCB, os_tsk.run);
+ }
+ else {
+ p_SCB->p_lnk = os_tsk.run;
+ os_tsk.run->p_lnk = NULL;
+ os_tsk.run->p_rlnk = (P_TCB)p_SCB;
+ }
+ rt_block(timeout, WAIT_SEM);
+ return (OS_R_TMO);
+}
+
+
+/*--------------------------- isr_sem_send ----------------------------------*/
+
+void isr_sem_send (OS_ID semaphore) {
+ /* Same function as "os_sem_send", but to be called by ISRs */
+ P_SCB p_SCB = semaphore;
+
+ rt_psq_enq (p_SCB, 0U);
+ rt_psh_req ();
+}
+
+
+/*--------------------------- rt_sem_psh ------------------------------------*/
+
+void rt_sem_psh (P_SCB p_CB) {
+ /* Check if task has to be waken up */
+ P_TCB p_TCB;
+
+ if (p_CB->p_lnk != NULL) {
+ /* A task is waiting for token */
+ p_TCB = rt_get_first ((P_XCB)p_CB);
+ rt_rmv_dly (p_TCB);
+ p_TCB->state = READY;
+#ifdef __CMSIS_RTOS
+ rt_ret_val(p_TCB, 1U);
+#else
+ rt_ret_val(p_TCB, OS_R_SEM);
+#endif
+ rt_put_prio (&os_rdy, p_TCB);
+ }
+ else {
+ /* Store token */
+ p_CB->tokens++;
+ }
+}
+
+/*----------------------------------------------------------------------------
+ * end of file
+ *---------------------------------------------------------------------------*/
diff -r 000000000000 -r fc74113aca28 mbed-rtos/rtx/TARGET_CORTEX_M/rt_Semaphore.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-rtos/rtx/TARGET_CORTEX_M/rt_Semaphore.h Thu Apr 14 20:21:15 2022 +0000
@@ -0,0 +1,51 @@
+
+/** \addtogroup rtos */
+/** @{*/
+/*----------------------------------------------------------------------------
+ * CMSIS-RTOS - RTX
+ *----------------------------------------------------------------------------
+ * Name: RT_SEMAPHORE.H
+ * Purpose: Implements binary and counting semaphores
+ * Rev.: V4.70
+ *----------------------------------------------------------------------------
+ *
+ * Copyright (c) 1999-2009 KEIL, 2009-2013 ARM Germany GmbH
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * - Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *---------------------------------------------------------------------------*/
+
+/* Functions */
+extern void rt_sem_init (OS_ID semaphore, U16 token_count);
+extern OS_RESULT rt_sem_delete(OS_ID semaphore);
+extern OS_RESULT rt_sem_send (OS_ID semaphore);
+extern OS_RESULT rt_sem_wait (OS_ID semaphore, U16 timeout);
+extern void isr_sem_send (OS_ID semaphore);
+extern void rt_sem_psh (P_SCB p_CB);
+
+/*----------------------------------------------------------------------------
+ * end of file
+ *---------------------------------------------------------------------------*/
+
+
+/** @}*/
diff -r 000000000000 -r fc74113aca28 mbed-rtos/rtx/TARGET_CORTEX_M/rt_System.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-rtos/rtx/TARGET_CORTEX_M/rt_System.c Thu Apr 14 20:21:15 2022 +0000
@@ -0,0 +1,337 @@
+/*----------------------------------------------------------------------------
+ * CMSIS-RTOS - RTX
+ *----------------------------------------------------------------------------
+ * Name: RT_SYSTEM.C
+ * Purpose: System Task Manager
+ * Rev.: V4.80
+ *----------------------------------------------------------------------------
+ *
+ * Copyright (c) 1999-2009 KEIL, 2009-2015 ARM Germany GmbH
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * - Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *---------------------------------------------------------------------------*/
+
+#include "rt_TypeDef.h"
+#include "RTX_Config.h"
+#include "rt_Task.h"
+#include "rt_System.h"
+#include "rt_Event.h"
+#include "rt_List.h"
+#include "rt_Mailbox.h"
+#include "rt_Semaphore.h"
+#include "rt_Time.h"
+#include "rt_Timer.h"
+#include "rt_Robin.h"
+#include "rt_HAL_CM.h"
+
+/*----------------------------------------------------------------------------
+ * Global Variables
+ *---------------------------------------------------------------------------*/
+
+S32 os_tick_irqn;
+
+/*----------------------------------------------------------------------------
+ * Local Variables
+ *---------------------------------------------------------------------------*/
+
+static volatile BIT os_lock;
+static volatile BIT os_psh_flag;
+static U8 pend_flags;
+
+/*----------------------------------------------------------------------------
+ * Global Functions
+ *---------------------------------------------------------------------------*/
+
+#define RL_RTX_VER 0x480
+
+#if defined (__CC_ARM)
+__asm void $$RTX$$version (void) {
+ /* Export a version number symbol for a version control. */
+
+ EXPORT __RL_RTX_VER
+
+__RL_RTX_VER EQU RL_RTX_VER
+}
+#endif
+
+
+/*--------------------------- rt_suspend ------------------------------------*/
+
+extern U32 sysUserTimerWakeupTime(void);
+
+U32 rt_suspend (void) {
+ /* Suspend OS scheduler */
+ U32 delta = 0xFFFFU;
+#ifdef __CMSIS_RTOS
+ U32 sleep;
+#endif
+
+ rt_tsk_lock();
+
+ if (os_dly.p_dlnk) {
+ delta = os_dly.delta_time;
+ }
+#ifdef __CMSIS_RTOS
+ sleep = sysUserTimerWakeupTime();
+ if (sleep < delta) { delta = sleep; }
+#else
+ if (os_tmr.next) {
+ if (os_tmr.tcnt < delta) delta = os_tmr.tcnt;
+ }
+#endif
+
+ return (delta);
+}
+
+
+/*--------------------------- rt_resume -------------------------------------*/
+
+extern void sysUserTimerUpdate (U32 sleep_time);
+
+void rt_resume (U32 sleep_time) {
+ /* Resume OS scheduler after suspend */
+ P_TCB next;
+ U32 delta;
+
+ os_tsk.run->state = READY;
+ rt_put_rdy_first (os_tsk.run);
+
+ os_robin.task = NULL;
+
+ /* Update delays. */
+ if (os_dly.p_dlnk) {
+ delta = sleep_time;
+ if (delta >= os_dly.delta_time) {
+ delta -= os_dly.delta_time;
+ os_time += os_dly.delta_time;
+ os_dly.delta_time = 1U;
+ while (os_dly.p_dlnk) {
+ rt_dec_dly();
+ if (delta == 0U) { break; }
+ delta--;
+ os_time++;
+ }
+ } else {
+ os_time += delta;
+ os_dly.delta_time -= (U16)delta;
+ }
+ } else {
+ os_time += sleep_time;
+ }
+
+ /* Check the user timers. */
+#ifdef __CMSIS_RTOS
+ sysUserTimerUpdate(sleep_time);
+#else
+ if (os_tmr.next) {
+ delta = sleep_time;
+ if (delta >= os_tmr.tcnt) {
+ delta -= os_tmr.tcnt;
+ os_tmr.tcnt = 1U;
+ while (os_tmr.next) {
+ rt_tmr_tick();
+ if (delta == 0U) { break; }
+ delta--;
+ }
+ } else {
+ os_tmr.tcnt -= delta;
+ }
+ }
+#endif
+
+ /* Switch back to highest ready task */
+ next = rt_get_first (&os_rdy);
+ rt_switch_req (next);
+
+ rt_tsk_unlock();
+}
+
+
+/*--------------------------- rt_tsk_lock -----------------------------------*/
+
+void rt_tsk_lock (void) {
+ /* Prevent task switching by locking out scheduler */
+ if (os_tick_irqn < 0) {
+ OS_LOCK();
+ os_lock = __TRUE;
+ OS_UNPEND(pend_flags);
+ } else {
+ OS_X_LOCK((U32)os_tick_irqn);
+ os_lock = __TRUE;
+ OS_X_UNPEND(pend_flags);
+ }
+}
+
+
+/*--------------------------- rt_tsk_unlock ---------------------------------*/
+
+void rt_tsk_unlock (void) {
+ /* Unlock scheduler and re-enable task switching */
+ if (os_tick_irqn < 0) {
+ OS_UNLOCK();
+ os_lock = __FALSE;
+ OS_PEND(pend_flags, os_psh_flag);
+ os_psh_flag = __FALSE;
+ } else {
+ OS_X_UNLOCK((U32)os_tick_irqn);
+ os_lock = __FALSE;
+ OS_X_PEND(pend_flags, os_psh_flag);
+ os_psh_flag = __FALSE;
+ }
+}
+
+
+/*--------------------------- rt_psh_req ------------------------------------*/
+
+void rt_psh_req (void) {
+ /* Initiate a post service handling request if required. */
+ if (os_lock == __FALSE) {
+ OS_PEND_IRQ();
+ }
+ else {
+ os_psh_flag = __TRUE;
+ }
+}
+
+
+/*--------------------------- rt_pop_req ------------------------------------*/
+
+void rt_pop_req (void) {
+ /* Process an ISR post service requests. */
+ struct OS_XCB *p_CB;
+ P_TCB next;
+ U32 idx;
+
+ os_tsk.run->state = READY;
+ rt_put_rdy_first (os_tsk.run);
+
+ idx = os_psq->last;
+ while (os_psq->count) {
+ p_CB = os_psq->q[idx].id;
+ if (p_CB->cb_type == TCB) {
+ /* Is of TCB type */
+ rt_evt_psh ((P_TCB)p_CB, (U16)os_psq->q[idx].arg);
+ }
+ else if (p_CB->cb_type == MCB) {
+ /* Is of MCB type */
+ rt_mbx_psh ((P_MCB)p_CB, (void *)os_psq->q[idx].arg);
+ }
+ else {
+ /* Must be of SCB type */
+ rt_sem_psh ((P_SCB)p_CB);
+ }
+ if (++idx == os_psq->size) { idx = 0U; }
+ rt_dec (&os_psq->count);
+ }
+ os_psq->last = (U8)idx;
+
+ next = rt_get_first (&os_rdy);
+ rt_switch_req (next);
+}
+
+
+/*--------------------------- os_tick_init ----------------------------------*/
+
+__weak S32 os_tick_init (void) {
+ /* Initialize SysTick timer as system tick timer. */
+ rt_systick_init();
+ return (-1); /* Return IRQ number of SysTick timer */
+}
+
+/*--------------------------- os_tick_val -----------------------------------*/
+
+__weak U32 os_tick_val (void) {
+ /* Get SysTick timer current value (0 .. OS_TRV). */
+ return rt_systick_val();
+}
+
+/*--------------------------- os_tick_ovf -----------------------------------*/
+
+__weak U32 os_tick_ovf (void) {
+ /* Get SysTick timer overflow flag */
+ return rt_systick_ovf();
+}
+
+/*--------------------------- os_tick_irqack --------------------------------*/
+
+__weak void os_tick_irqack (void) {
+ /* Acknowledge timer interrupt. */
+}
+
+
+/*--------------------------- rt_systick ------------------------------------*/
+
+extern void sysTimerTick(void);
+
+void rt_systick (void) {
+ /* Check for system clock update, suspend running task. */
+ P_TCB next;
+
+ os_tsk.run->state = READY;
+ rt_put_rdy_first (os_tsk.run);
+
+ /* Check Round Robin timeout. */
+ rt_chk_robin ();
+
+ /* Update delays. */
+ os_time++;
+ rt_dec_dly ();
+
+ /* Check the user timers. */
+#ifdef __CMSIS_RTOS
+ sysTimerTick();
+#else
+ rt_tmr_tick ();
+#endif
+
+ /* Switch back to highest ready task */
+ next = rt_get_first (&os_rdy);
+ rt_switch_req (next);
+}
+
+/*--------------------------- rt_stk_check ----------------------------------*/
+
+__weak void rt_stk_check (void) {
+#ifdef __MBED_CMSIS_RTOS_CM
+ /* Check for stack overflow. */
+ if (os_tsk.run->task_id == MAIN_THREAD_ID) {
+ // TODO: For the main thread the check should be done against the main heap pointer
+ } else {
+ if ((os_tsk.run->tsk_stack < (U32)os_tsk.run->stack) ||
+ (os_tsk.run->stack[0] != MAGIC_WORD)) {
+ os_error (OS_ERR_STK_OVF);
+ }
+ }
+#else
+ if ((os_tsk.run->tsk_stack < (U32)os_tsk.run->stack) ||
+ (os_tsk.run->stack[0] != MAGIC_WORD)) {
+ os_error (OS_ERR_STK_OVF);
+ }
+#endif
+}
+
+/*----------------------------------------------------------------------------
+ * end of file
+ *---------------------------------------------------------------------------*/
+
diff -r 000000000000 -r fc74113aca28 mbed-rtos/rtx/TARGET_CORTEX_M/rt_System.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-rtos/rtx/TARGET_CORTEX_M/rt_System.h Thu Apr 14 20:21:15 2022 +0000
@@ -0,0 +1,57 @@
+
+/** \addtogroup rtos */
+/** @{*/
+/*----------------------------------------------------------------------------
+ * CMSIS-RTOS - RTX
+ *----------------------------------------------------------------------------
+ * Name: RT_SYSTEM.H
+ * Purpose: System Task Manager definitions
+ * Rev.: V4.79
+ *----------------------------------------------------------------------------
+ *
+ * Copyright (c) 1999-2009 KEIL, 2009-2015 ARM Germany GmbH
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * - Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *---------------------------------------------------------------------------*/
+
+/* Variables */
+#define os_psq ((P_PSQ)&os_fifo)
+extern S32 os_tick_irqn;
+
+/* Functions */
+extern U32 rt_suspend (void);
+extern void rt_resume (U32 sleep_time);
+extern void rt_tsk_lock (void);
+extern void rt_tsk_unlock (void);
+extern void rt_psh_req (void);
+extern void rt_pop_req (void);
+extern void rt_systick (void);
+extern void rt_stk_check (void);
+
+/*----------------------------------------------------------------------------
+ * end of file
+ *---------------------------------------------------------------------------*/
+
+
+/** @}*/
diff -r 000000000000 -r fc74113aca28 mbed-rtos/rtx/TARGET_CORTEX_M/rt_Task.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-rtos/rtx/TARGET_CORTEX_M/rt_Task.c Thu Apr 14 20:21:15 2022 +0000
@@ -0,0 +1,456 @@
+/*----------------------------------------------------------------------------
+ * CMSIS-RTOS - RTX
+ *----------------------------------------------------------------------------
+ * Name: RT_TASK.C
+ * Purpose: Task functions and system start up.
+ * Rev.: V4.80
+ *----------------------------------------------------------------------------
+ *
+ * Copyright (c) 1999-2009 KEIL, 2009-2015 ARM Germany GmbH
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * - Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *---------------------------------------------------------------------------*/
+
+#include "rt_TypeDef.h"
+#include "RTX_Config.h"
+#include "rt_System.h"
+#include "rt_Task.h"
+#include "rt_List.h"
+#include "rt_MemBox.h"
+#include "rt_Robin.h"
+#include "rt_HAL_CM.h"
+#include "rt_OsEventObserver.h"
+
+/*----------------------------------------------------------------------------
+ * Global Variables
+ *---------------------------------------------------------------------------*/
+
+/* Running and next task info. */
+struct OS_TSK os_tsk;
+
+/* Task Control Blocks of idle demon */
+struct OS_TCB os_idle_TCB;
+
+
+/*----------------------------------------------------------------------------
+ * Local Functions
+ *---------------------------------------------------------------------------*/
+
+static OS_TID rt_get_TID (void) {
+ U32 tid;
+
+ for (tid = 1U; tid <= os_maxtaskrun; tid++) {
+ if (os_active_TCB[tid-1U] == NULL) {
+ return ((OS_TID)tid);
+ }
+ }
+ return (0U);
+}
+
+
+/*--------------------------- rt_init_context -------------------------------*/
+
+static void rt_init_context (P_TCB p_TCB, U8 priority, FUNCP task_body) {
+ /* Initialize general part of the Task Control Block. */
+ p_TCB->cb_type = TCB;
+ p_TCB->state = READY;
+ p_TCB->prio = priority;
+ p_TCB->prio_base = priority;
+ p_TCB->p_lnk = NULL;
+ p_TCB->p_rlnk = NULL;
+ p_TCB->p_dlnk = NULL;
+ p_TCB->p_blnk = NULL;
+ p_TCB->p_mlnk = NULL;
+ p_TCB->delta_time = 0U;
+ p_TCB->interval_time = 0U;
+ p_TCB->events = 0U;
+ p_TCB->waits = 0U;
+ p_TCB->stack_frame = 0U;
+
+ if (p_TCB->priv_stack == 0U) {
+ /* Allocate the memory space for the stack. */
+ p_TCB->stack = rt_alloc_box (mp_stk);
+ }
+ rt_init_stack (p_TCB, task_body);
+}
+
+
+/*--------------------------- rt_switch_req ---------------------------------*/
+
+void rt_switch_req (P_TCB p_new) {
+ /* Switch to next task (identified by "p_new"). */
+ os_tsk.new_tsk = p_new;
+ p_new->state = RUNNING;
+ if (osEventObs && osEventObs->thread_switch) {
+ osEventObs->thread_switch(p_new->context);
+ }
+ DBG_TASK_SWITCH(p_new->task_id);
+}
+
+
+/*--------------------------- rt_dispatch -----------------------------------*/
+
+void rt_dispatch (P_TCB next_TCB) {
+ /* Dispatch next task if any identified or dispatch highest ready task */
+ /* "next_TCB" identifies a task to run or has value NULL (=no next task) */
+ if (next_TCB == NULL) {
+ /* Running task was blocked: continue with highest ready task */
+ next_TCB = rt_get_first (&os_rdy);
+ rt_switch_req (next_TCB);
+ }
+ else {
+ /* Check which task continues */
+ if (next_TCB->prio > os_tsk.run->prio) {
+ /* preempt running task */
+ rt_put_rdy_first (os_tsk.run);
+ os_tsk.run->state = READY;
+ rt_switch_req (next_TCB);
+ }
+ else {
+ /* put next task into ready list, no task switch takes place */
+ next_TCB->state = READY;
+ rt_put_prio (&os_rdy, next_TCB);
+ }
+ }
+}
+
+
+/*--------------------------- rt_block --------------------------------------*/
+
+void rt_block (U16 timeout, U8 block_state) {
+ /* Block running task and choose next ready task. */
+ /* "timeout" sets a time-out value or is 0xffff (=no time-out). */
+ /* "block_state" defines the appropriate task state */
+ P_TCB next_TCB;
+
+ if (timeout) {
+ if (timeout < 0xFFFFU) {
+ rt_put_dly (os_tsk.run, timeout);
+ }
+ os_tsk.run->state = block_state;
+ next_TCB = rt_get_first (&os_rdy);
+ rt_switch_req (next_TCB);
+ }
+}
+
+
+/*--------------------------- rt_tsk_pass -----------------------------------*/
+
+void rt_tsk_pass (void) {
+ /* Allow tasks of same priority level to run cooperatively.*/
+ P_TCB p_new;
+
+ p_new = rt_get_same_rdy_prio();
+ if (p_new != NULL) {
+ rt_put_prio ((P_XCB)&os_rdy, os_tsk.run);
+ os_tsk.run->state = READY;
+ rt_switch_req (p_new);
+ }
+}
+
+
+/*--------------------------- rt_tsk_self -----------------------------------*/
+
+OS_TID rt_tsk_self (void) {
+ /* Return own task identifier value. */
+ if (os_tsk.run == NULL) {
+ return (0U);
+ }
+ return ((OS_TID)os_tsk.run->task_id);
+}
+
+
+/*--------------------------- rt_tsk_prio -----------------------------------*/
+
+OS_RESULT rt_tsk_prio (OS_TID task_id, U8 new_prio) {
+ /* Change execution priority of a task to "new_prio". */
+ P_TCB p_task;
+
+ if (task_id == 0U) {
+ /* Change execution priority of calling task. */
+ os_tsk.run->prio = new_prio;
+ os_tsk.run->prio_base = new_prio;
+run:if (rt_rdy_prio() > new_prio) {
+ rt_put_prio (&os_rdy, os_tsk.run);
+ os_tsk.run->state = READY;
+ rt_dispatch (NULL);
+ }
+ return (OS_R_OK);
+ }
+
+ /* Find the task in the "os_active_TCB" array. */
+ if ((task_id > os_maxtaskrun) || (os_active_TCB[task_id-1U] == NULL)) {
+ /* Task with "task_id" not found or not started. */
+ return (OS_R_NOK);
+ }
+ p_task = os_active_TCB[task_id-1U];
+ p_task->prio = new_prio;
+ p_task->prio_base = new_prio;
+ if (p_task == os_tsk.run) {
+ goto run;
+ }
+ rt_resort_prio (p_task);
+ if (p_task->state == READY) {
+ /* Task enqueued in a ready list. */
+ p_task = rt_get_first (&os_rdy);
+ rt_dispatch (p_task);
+ }
+ return (OS_R_OK);
+}
+
+
+/*--------------------------- rt_tsk_create ---------------------------------*/
+
+OS_TID rt_tsk_create (FUNCP task, U32 prio_stksz, void *stk, void *argv) {
+ /* Start a new task declared with "task". */
+ P_TCB task_context;
+ U32 i;
+
+ /* Priority 0 is reserved for idle task! */
+ if ((prio_stksz & 0xFFU) == 0U) {
+ prio_stksz += 1U;
+ }
+ task_context = rt_alloc_box (mp_tcb);
+ if (task_context == NULL) {
+ return (0U);
+ }
+ /* If "size != 0" use a private user provided stack. */
+ task_context->stack = stk;
+ task_context->priv_stack = prio_stksz >> 8;
+
+ /* Find a free entry in 'os_active_TCB' table. */
+ i = rt_get_TID ();
+ if (i == 0U) {
+ return (0U);
+ }
+ task_context->task_id = (U8)i;
+ /* Pass parameter 'argv' to 'rt_init_context' */
+ task_context->msg = argv;
+ task_context->argv = argv;
+ /* For 'size == 0' system allocates the user stack from the memory pool. */
+ rt_init_context (task_context, (U8)(prio_stksz & 0xFFU), task);
+
+ os_active_TCB[i-1U] = task_context;
+ DBG_TASK_NOTIFY(task_context, __TRUE);
+ rt_dispatch (task_context);
+ return ((OS_TID)i);
+}
+
+
+/*--------------------------- rt_tsk_delete ---------------------------------*/
+
+OS_RESULT rt_tsk_delete (OS_TID task_id) {
+ /* Terminate the task identified with "task_id". */
+ P_TCB task_context;
+ P_TCB p_TCB;
+ P_MUCB p_MCB, p_MCB0;
+
+ if ((task_id == 0U) || (task_id == os_tsk.run->task_id)) {
+ /* Terminate itself. */
+ os_tsk.run->state = INACTIVE;
+ os_tsk.run->tsk_stack = rt_get_PSP ();
+ rt_stk_check ();
+ p_MCB = os_tsk.run->p_mlnk;
+ while (p_MCB) {
+ /* Release mutexes owned by this task */
+ if (p_MCB->p_lnk) {
+ /* A task is waiting for mutex. */
+ p_TCB = rt_get_first ((P_XCB)p_MCB);
+#ifdef __CMSIS_RTOS
+ rt_ret_val (p_TCB, 0U/*osOK*/);
+#else
+ rt_ret_val (p_TCB, OS_R_MUT);
+#endif
+ rt_rmv_dly (p_TCB);
+ p_TCB->state = READY;
+ rt_put_prio (&os_rdy, p_TCB);
+ /* A waiting task becomes the owner of this mutex. */
+ p_MCB0 = p_MCB->p_mlnk;
+ p_MCB->level = 1U;
+ p_MCB->owner = p_TCB;
+ p_MCB->p_mlnk = p_TCB->p_mlnk;
+ p_TCB->p_mlnk = p_MCB;
+ p_MCB = p_MCB0;
+ }
+ else {
+ p_MCB0 = p_MCB->p_mlnk;
+ p_MCB->level = 0U;
+ p_MCB->owner = NULL;
+ p_MCB->p_mlnk = NULL;
+ p_MCB = p_MCB0;
+ }
+ }
+ os_active_TCB[os_tsk.run->task_id-1U] = NULL;
+ rt_free_box (mp_stk, os_tsk.run->stack);
+ os_tsk.run->stack = NULL;
+ DBG_TASK_NOTIFY(os_tsk.run, __FALSE);
+ rt_free_box (mp_tcb, os_tsk.run);
+ os_tsk.run = NULL;
+ rt_dispatch (NULL);
+ /* The program should never come to this point. */
+ }
+ else {
+ /* Find the task in the "os_active_TCB" array. */
+ if ((task_id > os_maxtaskrun) || (os_active_TCB[task_id-1U] == NULL)) {
+ /* Task with "task_id" not found or not started. */
+ return (OS_R_NOK);
+ }
+ task_context = os_active_TCB[task_id-1U];
+ rt_rmv_list (task_context);
+ rt_rmv_dly (task_context);
+ p_MCB = task_context->p_mlnk;
+ while (p_MCB) {
+ /* Release mutexes owned by this task */
+ if (p_MCB->p_lnk) {
+ /* A task is waiting for mutex. */
+ p_TCB = rt_get_first ((P_XCB)p_MCB);
+#ifdef __CMSIS_RTOS
+ rt_ret_val (p_TCB, 0U/*osOK*/);
+#else
+ rt_ret_val (p_TCB, OS_R_MUT);
+#endif
+ rt_rmv_dly (p_TCB);
+ p_TCB->state = READY;
+ rt_put_prio (&os_rdy, p_TCB);
+ /* A waiting task becomes the owner of this mutex. */
+ p_MCB0 = p_MCB->p_mlnk;
+ p_MCB->level = 1U;
+ p_MCB->owner = p_TCB;
+ p_MCB->p_mlnk = p_TCB->p_mlnk;
+ p_TCB->p_mlnk = p_MCB;
+ p_MCB = p_MCB0;
+ }
+ else {
+ p_MCB0 = p_MCB->p_mlnk;
+ p_MCB->level = 0U;
+ p_MCB->owner = NULL;
+ p_MCB->p_mlnk = NULL;
+ p_MCB = p_MCB0;
+ }
+ }
+ os_active_TCB[task_id-1U] = NULL;
+ rt_free_box (mp_stk, task_context->stack);
+ task_context->stack = NULL;
+ DBG_TASK_NOTIFY(task_context, __FALSE);
+ rt_free_box (mp_tcb, task_context);
+ if (rt_rdy_prio() > os_tsk.run->prio) {
+ /* Ready task has higher priority than running task. */
+ os_tsk.run->state = READY;
+ rt_put_prio (&os_rdy, os_tsk.run);
+ rt_dispatch (NULL);
+ }
+ }
+ return (OS_R_OK);
+}
+
+
+/*--------------------------- rt_sys_init -----------------------------------*/
+
+#ifdef __CMSIS_RTOS
+void rt_sys_init (void) {
+#else
+void rt_sys_init (FUNCP first_task, U32 prio_stksz, void *stk) {
+#endif
+ /* Initialize system and start up task declared with "first_task". */
+ U32 i;
+
+ DBG_INIT();
+
+ /* Initialize dynamic memory and task TCB pointers to NULL. */
+ for (i = 0U; i < os_maxtaskrun; i++) {
+ os_active_TCB[i] = NULL;
+ }
+ rt_init_box (mp_tcb, (U32)mp_tcb_size, sizeof(struct OS_TCB));
+ rt_init_box (mp_stk, mp_stk_size, BOX_ALIGN_8 | (U16)(os_stackinfo));
+ rt_init_box ((U32 *)m_tmr, (U32)mp_tmr_size, sizeof(struct OS_TMR));
+
+ /* Set up TCB of idle demon */
+ os_idle_TCB.task_id = 255U;
+ os_idle_TCB.priv_stack = 0U;
+ rt_init_context (&os_idle_TCB, 0U, os_idle_demon);
+
+ /* Set up ready list: initially empty */
+ os_rdy.cb_type = HCB;
+ os_rdy.p_lnk = NULL;
+ /* Set up delay list: initially empty */
+ os_dly.cb_type = HCB;
+ os_dly.p_dlnk = NULL;
+ os_dly.p_blnk = NULL;
+ os_dly.delta_time = 0U;
+
+ /* Fix SP and system variables to assume idle task is running */
+ /* Transform main program into idle task by assuming idle TCB */
+#ifndef __CMSIS_RTOS
+ rt_set_PSP (os_idle_TCB.tsk_stack+32U);
+#endif
+ os_tsk.run = &os_idle_TCB;
+ os_tsk.run->state = RUNNING;
+
+ /* Set the current thread to idle, so that on exit from this SVCall we do not
+ * de-reference a NULL TCB. */
+ rt_switch_req(&os_idle_TCB);
+
+ /* Initialize ps queue */
+ os_psq->first = 0U;
+ os_psq->last = 0U;
+ os_psq->size = os_fifo_size;
+
+ rt_init_robin ();
+
+#ifndef __CMSIS_RTOS
+ /* Initialize SVC and PendSV */
+ rt_svc_init ();
+
+ /* Initialize and start system clock timer */
+ os_tick_irqn = os_tick_init ();
+ if (os_tick_irqn >= 0) {
+ OS_X_INIT((U32)os_tick_irqn);
+ }
+
+ /* Start up first user task before entering the endless loop */
+ rt_tsk_create (first_task, prio_stksz, stk, NULL);
+#endif
+}
+
+
+/*--------------------------- rt_sys_start ----------------------------------*/
+
+#ifdef __CMSIS_RTOS
+void rt_sys_start (void) {
+ /* Start system */
+
+ /* Initialize SVC and PendSV */
+ rt_svc_init ();
+
+ /* Initialize and start system clock timer */
+ os_tick_irqn = os_tick_init ();
+ if (os_tick_irqn >= 0) {
+ OS_X_INIT((U32)os_tick_irqn);
+ }
+}
+#endif
+
+/*----------------------------------------------------------------------------
+ * end of file
+ *---------------------------------------------------------------------------*/
diff -r 000000000000 -r fc74113aca28 mbed-rtos/rtx/TARGET_CORTEX_M/rt_Task.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-rtos/rtx/TARGET_CORTEX_M/rt_Task.h Thu Apr 14 20:21:15 2022 +0000
@@ -0,0 +1,88 @@
+
+/** \addtogroup rtos */
+/** @{*/
+/*----------------------------------------------------------------------------
+ * CMSIS-RTOS - RTX
+ *----------------------------------------------------------------------------
+ * Name: RT_TASK.H
+ * Purpose: Task functions and system start up.
+ * Rev.: V4.79
+ *----------------------------------------------------------------------------
+ *
+ * Copyright (c) 1999-2009 KEIL, 2009-2015 ARM Germany GmbH
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * - Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *---------------------------------------------------------------------------*/
+
+/* Definitions */
+
+#include "cmsis_os.h"
+
+/* Values for 'state' */
+#define INACTIVE 0U
+#define READY 1U
+#define RUNNING 2U
+#define WAIT_DLY 3U
+#define WAIT_ITV 4U
+#define WAIT_OR 5U
+#define WAIT_AND 6U
+#define WAIT_SEM 7U
+#define WAIT_MBX 8U
+#define WAIT_MUT 9U
+
+/* Return codes */
+#define OS_R_TMO 0x01U
+#define OS_R_EVT 0x02U
+#define OS_R_SEM 0x03U
+#define OS_R_MBX 0x04U
+#define OS_R_MUT 0x05U
+
+#define OS_R_OK 0x00U
+#define OS_R_NOK 0xFFU
+
+/* Variables */
+extern struct OS_TSK os_tsk;
+extern struct OS_TCB os_idle_TCB;
+
+/* Functions */
+extern void rt_switch_req (P_TCB p_new);
+extern void rt_dispatch (P_TCB next_TCB);
+extern void rt_block (U16 timeout, U8 block_state);
+extern void rt_tsk_pass (void);
+extern OS_TID rt_tsk_self (void);
+extern OS_RESULT rt_tsk_prio (OS_TID task_id, U8 new_prio);
+extern OS_TID rt_tsk_create (FUNCP task, U32 prio_stksz, void *stk, void *argv);
+extern OS_RESULT rt_tsk_delete (OS_TID task_id);
+#ifdef __CMSIS_RTOS
+extern void rt_sys_init (void);
+extern void rt_sys_start (void);
+#else
+extern void rt_sys_init (FUNCP first_task, U32 prio_stksz, void *stk);
+#endif
+
+/*----------------------------------------------------------------------------
+ * end of file
+ *---------------------------------------------------------------------------*/
+
+/** @}*/
diff -r 000000000000 -r fc74113aca28 mbed-rtos/rtx/TARGET_CORTEX_M/rt_Time.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-rtos/rtx/TARGET_CORTEX_M/rt_Time.c Thu Apr 14 20:21:15 2022 +0000
@@ -0,0 +1,93 @@
+/*----------------------------------------------------------------------------
+ * CMSIS-RTOS - RTX
+ *----------------------------------------------------------------------------
+ * Name: RT_TIME.C
+ * Purpose: Delay and interval wait functions
+ * Rev.: V4.79
+ *----------------------------------------------------------------------------
+ *
+ * Copyright (c) 1999-2009 KEIL, 2009-2015 ARM Germany GmbH
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * - Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *---------------------------------------------------------------------------*/
+
+#include "rt_TypeDef.h"
+#include "RTX_Config.h"
+#include "rt_Task.h"
+#include "rt_Time.h"
+
+/*----------------------------------------------------------------------------
+ * Global Variables
+ *---------------------------------------------------------------------------*/
+
+/* Free running system tick counter */
+U32 os_time;
+
+
+/*----------------------------------------------------------------------------
+ * Functions
+ *---------------------------------------------------------------------------*/
+
+
+/*--------------------------- rt_time_get -----------------------------------*/
+
+U32 rt_time_get (void) {
+ /* Get system time tick */
+ return (os_time);
+}
+
+
+/*--------------------------- rt_dly_wait -----------------------------------*/
+
+void rt_dly_wait (U16 delay_time) {
+ /* Delay task by "delay_time" */
+ rt_block (delay_time, WAIT_DLY);
+}
+
+
+/*--------------------------- rt_itv_set ------------------------------------*/
+
+void rt_itv_set (U16 interval_time) {
+ /* Set interval length and define start of first interval */
+ os_tsk.run->interval_time = interval_time;
+ os_tsk.run->delta_time = interval_time + (U16)os_time;
+}
+
+
+/*--------------------------- rt_itv_wait -----------------------------------*/
+
+void rt_itv_wait (void) {
+ /* Wait for interval end and define start of next one */
+ U16 delta;
+
+ delta = os_tsk.run->delta_time - (U16)os_time;
+ os_tsk.run->delta_time += os_tsk.run->interval_time;
+ if ((delta & 0x8000U) == 0U) {
+ rt_block (delta, WAIT_ITV);
+ }
+}
+
+/*----------------------------------------------------------------------------
+ * end of file
+ *---------------------------------------------------------------------------*/
diff -r 000000000000 -r fc74113aca28 mbed-rtos/rtx/TARGET_CORTEX_M/rt_Time.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-rtos/rtx/TARGET_CORTEX_M/rt_Time.h Thu Apr 14 20:21:15 2022 +0000
@@ -0,0 +1,52 @@
+
+/** \addtogroup rtos */
+/** @{*/
+/*----------------------------------------------------------------------------
+ * CMSIS-RTOS - RTX
+ *----------------------------------------------------------------------------
+ * Name: RT_TIME.H
+ * Purpose: Delay and interval wait functions definitions
+ * Rev.: V4.70
+ *----------------------------------------------------------------------------
+ *
+ * Copyright (c) 1999-2009 KEIL, 2009-2013 ARM Germany GmbH
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * - Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *---------------------------------------------------------------------------*/
+
+/* Variables */
+extern U32 os_time;
+
+/* Functions */
+extern U32 rt_time_get (void);
+extern void rt_dly_wait (U16 delay_time);
+extern void rt_itv_set (U16 interval_time);
+extern void rt_itv_wait (void);
+
+/*----------------------------------------------------------------------------
+ * end of file
+ *---------------------------------------------------------------------------*/
+
+
+/** @}*/
diff -r 000000000000 -r fc74113aca28 mbed-rtos/rtx/TARGET_CORTEX_M/rt_Timer.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-rtos/rtx/TARGET_CORTEX_M/rt_Timer.c Thu Apr 14 20:21:15 2022 +0000
@@ -0,0 +1,135 @@
+/*----------------------------------------------------------------------------
+ * CMSIS-RTOS - RTX
+ *----------------------------------------------------------------------------
+ * Name: RT_TIMER.C
+ * Purpose: User timer functions
+ * Rev.: V4.70
+ *----------------------------------------------------------------------------
+ *
+ * Copyright (c) 1999-2009 KEIL, 2009-2013 ARM Germany GmbH
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * - Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *---------------------------------------------------------------------------*/
+
+#include "rt_TypeDef.h"
+#include "RTX_Config.h"
+#include "rt_Timer.h"
+#include "rt_MemBox.h"
+#include "cmsis_os.h"
+
+#ifndef __CMSIS_RTOS
+
+
+/*----------------------------------------------------------------------------
+ * Global Variables
+ *---------------------------------------------------------------------------*/
+
+/* User Timer list pointer */
+struct OS_XTMR os_tmr;
+
+/*----------------------------------------------------------------------------
+ * Functions
+ *---------------------------------------------------------------------------*/
+
+/*--------------------------- rt_tmr_tick -----------------------------------*/
+
+void rt_tmr_tick (void) {
+ /* Decrement delta count of timer list head. Timers having the value of */
+ /* zero are removed from the list and the callback function is called. */
+ P_TMR p;
+
+ if (os_tmr.next == NULL) {
+ return;
+ }
+ os_tmr.tcnt--;
+ while ((os_tmr.tcnt == 0U) && ((p = os_tmr.next) != NULL)) {
+ /* Call a user provided function to handle an elapsed timer */
+ os_tmr_call (p->info);
+ os_tmr.tcnt = p->tcnt;
+ os_tmr.next = p->next;
+ rt_free_box ((U32 *)m_tmr, p);
+ }
+}
+
+/*--------------------------- rt_tmr_create ---------------------------------*/
+
+OS_ID rt_tmr_create (U16 tcnt, U16 info) {
+ /* Create an user timer and put it into the chained timer list using */
+ /* a timeout count value of "tcnt". User parameter "info" is used as a */
+ /* parameter for the user provided callback function "os_tmr_call ()". */
+ P_TMR p_tmr, p;
+ U32 delta,itcnt = tcnt;
+
+ if ((tcnt == 0U) || (m_tmr == NULL)) {
+ return (NULL);
+ }
+ p_tmr = rt_alloc_box ((U32 *)m_tmr);
+ if (!p_tmr) {
+ return (NULL);
+ }
+ p_tmr->info = info;
+ p = (P_TMR)&os_tmr;
+ delta = p->tcnt;
+ while ((delta < itcnt) && (p->next != NULL)) {
+ p = p->next;
+ delta += p->tcnt;
+ }
+ /* Right place found, insert timer into the list */
+ p_tmr->next = p->next;
+ p_tmr->tcnt = (U16)(delta - itcnt);
+ p->next = p_tmr;
+ p->tcnt -= p_tmr->tcnt;
+ return (p_tmr);
+}
+
+/*--------------------------- rt_tmr_kill -----------------------------------*/
+
+OS_ID rt_tmr_kill (OS_ID timer) {
+ /* Remove user timer from the chained timer list. */
+ P_TMR p, p_tmr;
+
+ p_tmr = (P_TMR)timer;
+ p = (P_TMR)&os_tmr;
+ /* Search timer list for requested timer */
+ while (p->next != p_tmr) {
+ if (p->next == NULL) {
+ /* Failed, "timer" is not in the timer list */
+ return (p_tmr);
+ }
+ p = p->next;
+ }
+ /* Timer was found, remove it from the list */
+ p->next = p_tmr->next;
+ p->tcnt += p_tmr->tcnt;
+ rt_free_box ((U32 *)m_tmr, p_tmr);
+ /* Timer killed */
+ return (NULL);
+}
+
+
+#endif
+
+/*----------------------------------------------------------------------------
+ * end of file
+ *---------------------------------------------------------------------------*/
diff -r 000000000000 -r fc74113aca28 mbed-rtos/rtx/TARGET_CORTEX_M/rt_Timer.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-rtos/rtx/TARGET_CORTEX_M/rt_Timer.h Thu Apr 14 20:21:15 2022 +0000
@@ -0,0 +1,50 @@
+
+/** \addtogroup rtos */
+/** @{*/
+/*----------------------------------------------------------------------------
+ * CMSIS-RTOS - RTX
+ *----------------------------------------------------------------------------
+ * Name: RT_TIMER.H
+ * Purpose: User timer functions
+ * Rev.: V4.70
+ *----------------------------------------------------------------------------
+ *
+ * Copyright (c) 1999-2009 KEIL, 2009-2013 ARM Germany GmbH
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * - Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *---------------------------------------------------------------------------*/
+
+/* Variables */
+extern struct OS_XTMR os_tmr;
+
+/* Functions */
+extern void rt_tmr_tick (void);
+extern OS_ID rt_tmr_create (U16 tcnt, U16 info);
+extern OS_ID rt_tmr_kill (OS_ID timer);
+
+/*----------------------------------------------------------------------------
+ * end of file
+ *---------------------------------------------------------------------------*/
+
+/** @}*/
diff -r 000000000000 -r fc74113aca28 mbed-rtos/rtx/TARGET_CORTEX_M/rt_TypeDef.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-rtos/rtx/TARGET_CORTEX_M/rt_TypeDef.h Thu Apr 14 20:21:15 2022 +0000
@@ -0,0 +1,175 @@
+
+/** \addtogroup rtos */
+/** @{*/
+/*----------------------------------------------------------------------------
+ * CMSIS-RTOS - RTX
+ *----------------------------------------------------------------------------
+ * Name: RT_TYPEDEF.H
+ * Purpose: Type Definitions
+ * Rev.: V4.79
+ *----------------------------------------------------------------------------
+ *
+ * Copyright (c) 1999-2009 KEIL, 2009-2015 ARM Germany GmbH
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * - Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *---------------------------------------------------------------------------*/
+#ifndef RT_TYPE_DEF_H
+#define RT_TYPE_DEF_H
+
+/* Types */
+typedef char S8;
+typedef unsigned char U8;
+typedef short S16;
+typedef unsigned short U16;
+typedef int S32;
+typedef unsigned int U32;
+typedef long long S64;
+typedef unsigned long long U64;
+typedef unsigned char BIT;
+typedef unsigned int BOOL;
+typedef void (*FUNCP)(void);
+
+typedef U32 OS_TID;
+typedef void *OS_ID;
+typedef U32 OS_RESULT;
+
+typedef struct OS_TCB {
+ /* General part: identical for all implementations. */
+ U8 cb_type; /* Control Block Type */
+ U8 state; /* Task state */
+ U8 prio; /* Execution priority */
+ U8 task_id; /* Task ID value for optimized TCB access */
+ struct OS_TCB *p_lnk; /* Link pointer for ready/sem. wait list */
+ struct OS_TCB *p_rlnk; /* Link pointer for sem./mbx lst backwards */
+ struct OS_TCB *p_dlnk; /* Link pointer for delay list */
+ struct OS_TCB *p_blnk; /* Link pointer for delay list backwards */
+ U16 delta_time; /* Time until time out */
+ U16 interval_time; /* Time interval for periodic waits */
+ U16 events; /* Event flags */
+ U16 waits; /* Wait flags */
+ void **msg; /* Direct message passing when task waits */
+ struct OS_MUCB *p_mlnk; /* Link pointer for mutex owner list */
+ U8 prio_base; /* Base priority */
+
+ /* Hardware dependant part: specific for CM processor */
+ U8 stack_frame; /* Stack frame: 0=Basic, 1=Extended, */
+ U16 reserved; /* Two reserved bytes for alignment */
+ /* (2=VFP/D16 stacked, 4=NEON/D32 stacked) */
+ U32 priv_stack; /* Private stack size, 0= system assigned */
+ U32 tsk_stack; /* Current task Stack pointer (R13) */
+ U32 *stack; /* Pointer to Task Stack memory block */
+
+ /* Task entry point used for uVision debugger */
+ FUNCP ptask; /* Task entry address */
+ void *argv; /* Task argument */
+ void *context; /* Pointer to thread context */
+} *P_TCB;
+#define TCB_STACKF 37 /* 'stack_frame' offset */
+#define TCB_TSTACK 44 /* 'tsk_stack' offset */
+
+typedef struct OS_PSFE { /* Post Service Fifo Entry */
+ void *id; /* Object Identification */
+ U32 arg; /* Object Argument */
+} *P_PSFE;
+
+typedef struct OS_PSQ { /* Post Service Queue */
+ U8 first; /* FIFO Head Index */
+ U8 last; /* FIFO Tail Index */
+ U8 count; /* Number of stored items in FIFO */
+ U8 size; /* FIFO Size */
+ struct OS_PSFE q[1]; /* FIFO Content */
+} *P_PSQ;
+
+typedef struct OS_TSK {
+ P_TCB run; /* Current running task */
+ P_TCB new_tsk; /* Scheduled task to run */
+} *P_TSK;
+
+typedef struct OS_ROBIN { /* Round Robin Control */
+ P_TCB task; /* Round Robin task */
+ U16 time; /* Round Robin switch time */
+ U16 tout; /* Round Robin timeout */
+} *P_ROBIN;
+
+typedef struct OS_XCB {
+ U8 cb_type; /* Control Block Type */
+ struct OS_TCB *p_lnk; /* Link pointer for ready/sem. wait list */
+ struct OS_TCB *p_rlnk; /* Link pointer for sem./mbx lst backwards */
+ struct OS_TCB *p_dlnk; /* Link pointer for delay list */
+ struct OS_TCB *p_blnk; /* Link pointer for delay list backwards */
+ U16 delta_time; /* Time until time out */
+} *P_XCB;
+
+typedef struct OS_MCB {
+ U8 cb_type; /* Control Block Type */
+ U8 state; /* State flag variable */
+ U8 isr_st; /* State flag variable for isr functions */
+ struct OS_TCB *p_lnk; /* Chain of tasks waiting for message */
+ U16 first; /* Index of the message list begin */
+ U16 last; /* Index of the message list end */
+ U16 count; /* Actual number of stored messages */
+ U16 size; /* Maximum number of stored messages */
+ void *msg[1]; /* FIFO for Message pointers 1st element */
+} *P_MCB;
+
+typedef struct OS_SCB {
+ U8 cb_type; /* Control Block Type */
+ U8 mask; /* Semaphore token mask */
+ U16 tokens; /* Semaphore tokens */
+ struct OS_TCB *p_lnk; /* Chain of tasks waiting for tokens */
+} *P_SCB;
+
+typedef struct OS_MUCB {
+ U8 cb_type; /* Control Block Type */
+ U16 level; /* Call nesting level */
+ struct OS_TCB *p_lnk; /* Chain of tasks waiting for mutex */
+ struct OS_TCB *owner; /* Mutex owner task */
+ struct OS_MUCB *p_mlnk; /* Chain of mutexes by owner task */
+} *P_MUCB;
+
+typedef struct OS_XTMR {
+ struct OS_TMR *next;
+ U16 tcnt;
+} *P_XTMR;
+
+typedef struct OS_TMR {
+ struct OS_TMR *next; /* Link pointer to Next timer */
+ U16 tcnt; /* Timer delay count */
+ U16 info; /* User defined call info */
+} *P_TMR;
+
+typedef struct OS_BM {
+ void *free; /* Pointer to first free memory block */
+ void *end; /* Pointer to memory block end */
+ U32 blk_size; /* Memory block size */
+} *P_BM;
+
+/* Definitions */
+#define __TRUE 1U
+#define __FALSE 0U
+#define NULL ((void *) 0)
+
+#endif
+
+/** @}*/
diff -r 000000000000 -r fc74113aca28 mbed-rtos/targets/TARGET_NXP/mbed_rtx4.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed-rtos/targets/TARGET_NXP/mbed_rtx4.h Thu Apr 14 20:21:15 2022 +0000 @@ -0,0 +1,205 @@ +/* mbed Microcontroller Library + * Copyright (c) 2016 ARM Limited + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef MBED_MBED_RTX_H +#define MBED_MBED_RTX_H + +#if defined(TARGET_LPC11U68) + +#ifndef INITIAL_SP +#define INITIAL_SP (0x10008000UL) +#endif + +// RTX 4 only config below, for backward-compability + +#ifndef OS_TASKCNT +#define OS_TASKCNT 14 +#endif +#ifndef OS_MAINSTKSIZE +#define OS_MAINSTKSIZE 256 +#endif +#ifndef OS_CLOCK +#define OS_CLOCK 48000000 +#endif + +#elif defined(TARGET_LPC11U24) \ + || defined(TARGET_LPC11U35_401) \ + || defined(TARGET_LPC11U35_501) \ + || defined(TARGET_LPCCAPPUCCINO) + +#ifndef INITIAL_SP +#define INITIAL_SP (0x10002000UL) +#endif + + // RTX 4 only config below, for backward-compability + +#ifndef OS_TASKCNT +#define OS_TASKCNT 6 +#endif +#ifndef OS_MAINSTKSIZE +#define OS_MAINSTKSIZE 128 +#endif +#ifndef OS_CLOCK +#define OS_CLOCK 48000000 +#endif + +#elif defined(TARGET_LPC1114) + +#ifndef INITIAL_SP +#define INITIAL_SP (0x10001000UL) +#endif + + // RTX 4 only config below, for backward-compability + +#ifndef OS_TASKCNT +#define OS_TASKCNT 6 +#endif +#ifndef OS_MAINSTKSIZE +#define OS_MAINSTKSIZE 128 +#endif +#ifndef OS_CLOCK +#define OS_CLOCK 48000000 +#endif + +#elif defined(TARGET_LPC1347) + +#ifndef INITIAL_SP +#define INITIAL_SP (0x10002000UL) +#endif + +// RTX 4 only config below, for backward-compability + +#ifndef OS_TASKCNT +#define OS_TASKCNT 14 +#endif +#ifndef OS_MAINSTKSIZE +#define OS_MAINSTKSIZE 256 +#endif +#ifndef OS_CLOCK +#define OS_CLOCK 72000000 +#endif + +#elif defined(TARGET_LPC1549) + +#ifndef INITIAL_SP +#define INITIAL_SP (0x02009000UL) +#endif + +// RTX 4 only config below, for backward-compability + +#ifndef OS_TASKCNT +#define OS_TASKCNT 14 +#endif +#ifndef OS_MAINSTKSIZE +#define OS_MAINSTKSIZE 256 +#endif +#ifndef OS_CLOCK +#define OS_CLOCK 72000000 +#endif + +#elif defined(TARGET_LPC1768) + +#ifndef INITIAL_SP +#define INITIAL_SP (0x10008000UL) +#endif + +// RTX 4 only config below, for backward-compability + +#ifndef OS_TASKCNT +#define OS_TASKCNT 14 +#endif +#ifndef OS_MAINSTKSIZE +#define OS_MAINSTKSIZE 256 +#endif +#ifndef OS_CLOCK +#define OS_CLOCK 96000000 +#endif + +#elif defined(TARGET_LPC4088) || defined(TARGET_LPC4088_DM) + +#ifndef INITIAL_SP +#define INITIAL_SP (0x10010000UL) +#endif + +// RTX 4 only config below, for backward-compability + +#ifndef OS_TASKCNT +#define OS_TASKCNT 14 +#endif +#ifndef OS_MAINSTKSIZE +#define OS_MAINSTKSIZE 256 +#endif +#ifndef OS_CLOCK +#define OS_CLOCK 120000000 +#endif + +#elif defined(TARGET_LPC4330) || defined(TARGET_LPC4337) + +#ifndef INITIAL_SP +#define INITIAL_SP (0x10008000UL) +#endif + +// RTX 4 only config below, for backward-compability + +#ifndef OS_TASKCNT +#define OS_TASKCNT 14 +#endif +#ifndef OS_MAINSTKSIZE +#define OS_MAINSTKSIZE 256 +#endif +#ifndef OS_CLOCK +#define OS_CLOCK 204000000 +#endif + +#elif defined(TARGET_LPC812) + +#ifndef INITIAL_SP +#define INITIAL_SP (0x10001000UL) +#endif + +// RTX 4 only config below, for backward-compability + +#ifndef OS_TASKCNT +#define OS_TASKCNT 6 +#endif +#ifndef OS_MAINSTKSIZE +#define OS_MAINSTKSIZE 128 +#endif +#ifndef OS_CLOCK +#define OS_CLOCK 36000000 +#endif + +#elif defined(TARGET_LPC824) || defined(TARGET_SSCI824) + +#ifndef INITIAL_SP +#define INITIAL_SP (0x10002000UL) +#endif + +// RTX 4 only config below, for backward-compability + +#ifndef OS_TASKCNT +#define OS_TASKCNT 6 +#endif +#ifndef OS_MAINSTKSIZE +#define OS_MAINSTKSIZE 128 +#endif +#ifndef OS_CLOCK +#define OS_CLOCK 30000000 +#endif + +#endif + +#endif // MBED_MBED_RTX_H
diff -r 000000000000 -r fc74113aca28 mbed.bld --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Thu Apr 14 20:21:15 2022 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/mbed_official/code/mbed/builds/65be27845400 \ No newline at end of file