Case study Embedded System Design / Mbed 2 deprecated Case_study_rtos_queue

done pool

Dependencies:   C12832 mbed-rtos mbed

Fork of Case_study_rtos_queue by cathal deehy-power

main.cpp@6:6cdc2d2e804b, 2015-02-13 (annotated)

Committer:
cathal66
Date:
Fri Feb 13 13:34:51 2015 +0000
Revision:
6:6cdc2d2e804b
Parent:
3:c490e2d69dd8 
done

Who changed what in which revision?

UserRevisionLine numberNew contents of line
emilmont 1:d2ba5afbf91f 1 #include "mbed.h"
emilmont 1:d2ba5afbf91f 2 #include "rtos.h"
cathal66 6:6cdc2d2e804b 3 #include "C12832.h" // Include the LCD header files
emilmont 1:d2ba5afbf91f 4
cathal66 6:6cdc2d2e804b 5 C12832 lcd(p5, p7, p6, p8, p11); //Initialise LCD
cathal66 6:6cdc2d2e804b 6
cathal66 6:6cdc2d2e804b 7 DigitalIn Up(p15); //Initialise Joystick up
cathal66 6:6cdc2d2e804b 8 DigitalIn Down(p12); //Initialise Joystick down
cathal66 6:6cdc2d2e804b 9 DigitalIn Left(p13); //Initialise Joystick left
cathal66 6:6cdc2d2e804b 10 DigitalIn Right(p16); //Initialise Joystick right
cathal66 6:6cdc2d2e804b 11
cathal66 6:6cdc2d2e804b 12
cathal66 6:6cdc2d2e804b 13 AnalogIn Pot1(p19); //Initialise Pot1 to be an analog input
cathal66 6:6cdc2d2e804b 14 AnalogIn Pot2(p20); //Initialise Pot2 to be an analog input
cathal66 6:6cdc2d2e804b 15
cathal66 6:6cdc2d2e804b 16 PwmOut LED_1(p25); //Initialise Blue
cathal66 6:6cdc2d2e804b 17 PwmOut LED_2(p24); //Initialise Green
cathal66 6:6cdc2d2e804b 18 PwmOut LED_3(p23); //Initialise Red
cathal66 6:6cdc2d2e804b 19
cathal66 6:6cdc2d2e804b 20 PwmOut spkr(p26); //Initialise PWM to speaker
emilmont 1:d2ba5afbf91f 21
cathal66 6:6cdc2d2e804b 22 typedef struct //Initialise Sturture
cathal66 6:6cdc2d2e804b 23 {
cathal66 6:6cdc2d2e804b 24 float Joystick; //Set Joystick as a float
cathal66 6:6cdc2d2e804b 25 float Light; //Set Light as a float
cathal66 6:6cdc2d2e804b 26 float Pot1_Value; //Initialise Red
cathal66 6:6cdc2d2e804b 27 float Pot2_Value; //Initialise Red
cathal66 6:6cdc2d2e804b 28
cathal66 6:6cdc2d2e804b 29 } message_t; //Sturecture name "message_t"
cathal66 6:6cdc2d2e804b 30
cathal66 6:6cdc2d2e804b 31
cathal66 6:6cdc2d2e804b 32
cathal66 6:6cdc2d2e804b 33 MemoryPool<message_t, 16> mpool; //Allocate a Mpool of value 16
cathal66 6:6cdc2d2e804b 34 Queue<message_t, 16> queue; //Allocate a Queue of value 16
cathal66 6:6cdc2d2e804b 35
cathal66 6:6cdc2d2e804b 36
cathal66 6:6cdc2d2e804b 37 void Send (void const *args) //Setup the thread function
cathal66 6:6cdc2d2e804b 38 {
emilmont 1:d2ba5afbf91f 39
cathal66 6:6cdc2d2e804b 40 while (true) //Super loop
cathal66 6:6cdc2d2e804b 41 {
cathal66 6:6cdc2d2e804b 42 if (Up == 1) //When Joystick is a value of 1 (Pushed up)
cathal66 6:6cdc2d2e804b 43 {
cathal66 6:6cdc2d2e804b 44 message_t *message = mpool.alloc(); //allocate memory
cathal66 6:6cdc2d2e804b 45 message->Joystick = 1; //Set message will be the Joystick Value 1
cathal66 6:6cdc2d2e804b 46 message->Light = 1; //The message will be the Light Value 1
cathal66 6:6cdc2d2e804b 47 message->Pot1_Value = Pot1; //Read Pot1 and store in message->Pot1_Value
cathal66 6:6cdc2d2e804b 48 message->Pot2_Value = Pot2; //Read Pot2 and store in message->Pot2_Value
cathal66 6:6cdc2d2e804b 49 queue.put(message); //Place it in the Queue
cathal66 6:6cdc2d2e804b 50 Thread::wait(500); //Thread wait for 500 msec
cathal66 6:6cdc2d2e804b 51 }
cathal66 6:6cdc2d2e804b 52
cathal66 6:6cdc2d2e804b 53 else if (Down == 1) //When Joystick is a value of 1 (Pushed up)
cathal66 6:6cdc2d2e804b 54 {
emilmont 1:d2ba5afbf91f 55 message_t *message = mpool.alloc();
cathal66 6:6cdc2d2e804b 56 message->Joystick = 2; //Set message will be the Joystick Value 2
cathal66 6:6cdc2d2e804b 57 message->Light = 2; //The message will be the Light Value 2
cathal66 6:6cdc2d2e804b 58 message->Pot1_Value = Pot1; //Read Pot1 and store in message->Pot1_Value
cathal66 6:6cdc2d2e804b 59 message->Pot2_Value = Pot2; //Read Pot2 and store in message->Pot2_Value
cathal66 6:6cdc2d2e804b 60 queue.put(message); //Place it in the Queue
cathal66 6:6cdc2d2e804b 61 Thread::wait(500); //Thread wait for 500 msec
cathal66 6:6cdc2d2e804b 62 }
cathal66 6:6cdc2d2e804b 63
cathal66 6:6cdc2d2e804b 64 else if (Left == 1) //When Joystick is a value of 1 (Pushed up)
cathal66 6:6cdc2d2e804b 65 {
cathal66 6:6cdc2d2e804b 66 message_t *message = mpool.alloc();
cathal66 6:6cdc2d2e804b 67 message->Joystick = 4; //Set message will be the Joystick Value 4
cathal66 6:6cdc2d2e804b 68 message->Light = 3; //The message will be the Light Value 3
cathal66 6:6cdc2d2e804b 69 message->Pot1_Value = Pot1; //Read Pot1 and store in message->Pot1_Value
cathal66 6:6cdc2d2e804b 70 message->Pot2_Value = Pot2; //Read Pot2 and store in message->Pot2_Value
cathal66 6:6cdc2d2e804b 71 queue.put(message); //Place it in the Queue
cathal66 6:6cdc2d2e804b 72 Thread::wait(500); //Thread wait for 500 msec
cathal66 6:6cdc2d2e804b 73 }
cathal66 6:6cdc2d2e804b 74
cathal66 6:6cdc2d2e804b 75 else if (Right == 1) //When Joystick is a value of 1 (Pushed up)
cathal66 6:6cdc2d2e804b 76 {
cathal66 6:6cdc2d2e804b 77 message_t *message = mpool.alloc();
cathal66 6:6cdc2d2e804b 78 message->Joystick = 3; //Set message will be the Joystick Value 3
cathal66 6:6cdc2d2e804b 79 message->Light = 4; //The message will be the Light Value 4
cathal66 6:6cdc2d2e804b 80 message->Pot1_Value = Pot1; //Read Pot1 and store in message->Pot1_Value
cathal66 6:6cdc2d2e804b 81 message->Pot2_Value = Pot2; //Read Pot2 and store in message->Pot2_Value
cathal66 6:6cdc2d2e804b 82 queue.put(message); //Place it in the Queue
cathal66 6:6cdc2d2e804b 83 Thread::wait(500); //Thread wait for 500 msec
cathal66 6:6cdc2d2e804b 84 }
cathal66 6:6cdc2d2e804b 85
cathal66 6:6cdc2d2e804b 86
emilmont 1:d2ba5afbf91f 87 }
emilmont 1:d2ba5afbf91f 88 }
emilmont 1:d2ba5afbf91f 89
cathal66 6:6cdc2d2e804b 90 int main (void)
cathal66 6:6cdc2d2e804b 91 {
cathal66 6:6cdc2d2e804b 92 LED_1 = 1; //Turn off R
cathal66 6:6cdc2d2e804b 93 LED_2 = 1; //Turn off B
cathal66 6:6cdc2d2e804b 94 LED_3 = 1; //Turn off G
cathal66 6:6cdc2d2e804b 95
cathal66 6:6cdc2d2e804b 96 Thread thread(Send); //Start up tread for send
cathal66 6:6cdc2d2e804b 97
emilmont 1:d2ba5afbf91f 98
cathal66 6:6cdc2d2e804b 99 while (true)
cathal66 6:6cdc2d2e804b 100 {
cathal66 6:6cdc2d2e804b 101 osEvent evt = queue.get(); //Get next queue
cathal66 6:6cdc2d2e804b 102 if (evt.status == osEventMessage)
cathal66 6:6cdc2d2e804b 103 {
cathal66 6:6cdc2d2e804b 104 message_t *message = (message_t*)evt.value.p; //ppinter in the queue
cathal66 6:6cdc2d2e804b 105 lcd.cls(); // clear screen of the lcd
cathal66 6:6cdc2d2e804b 106 lcd.locate(0,3); //set location on the LCD
cathal66 6:6cdc2d2e804b 107 lcd.printf("Joystick Value: %.2f \n\r" , message->Joystick); //display joystick value on LCD
cathal66 6:6cdc2d2e804b 108 lcd.printf("Light Value: %.2f \n\r" , message->Light); //display Light value on LCD
cathal66 6:6cdc2d2e804b 109 lcd.printf("Pot1:%.2f Pot2:%.4f\n\r" , message->Pot1_Value, message->Pot2_Value); //display Pot1 & Pot2 value on LCD
cathal66 6:6cdc2d2e804b 110
emilmont 1:d2ba5afbf91f 111
cathal66 6:6cdc2d2e804b 112 if (message->Light == 1) // When message is value 1 display Light sequence
cathal66 6:6cdc2d2e804b 113 {
cathal66 6:6cdc2d2e804b 114 LED_1 = message->Pot1_Value; // dim the Blue LED with the value in pot1
cathal66 6:6cdc2d2e804b 115 LED_2 = 1; //Turn off LED
cathal66 6:6cdc2d2e804b 116 LED_3 = 1; //Turn off LED
cathal66 6:6cdc2d2e804b 117 spkr = message->Pot2_Value; // dim the Blue LED with the value in pot1
cathal66 6:6cdc2d2e804b 118 }
cathal66 6:6cdc2d2e804b 119 else if (message->Light == 2)
cathal66 6:6cdc2d2e804b 120 {
cathal66 6:6cdc2d2e804b 121 LED_1 = 1; //Turn off LED
cathal66 6:6cdc2d2e804b 122 LED_2 = message->Pot1_Value; // dim the Green LED with the value in pot1
cathal66 6:6cdc2d2e804b 123 LED_3 = 1; //Turn off LED
cathal66 6:6cdc2d2e804b 124 spkr = message->Pot2_Value; // dim the Blue LED with the value in pot1
cathal66 6:6cdc2d2e804b 125 }
cathal66 6:6cdc2d2e804b 126 else if (message->Light == 3)
cathal66 6:6cdc2d2e804b 127 {
cathal66 6:6cdc2d2e804b 128 LED_1 = 1; //Turn off LED
cathal66 6:6cdc2d2e804b 129 LED_2 = 1; //Turn off LED
cathal66 6:6cdc2d2e804b 130 LED_3 = message->Pot1_Value; // dim the Red LED with the value in pot1
cathal66 6:6cdc2d2e804b 131 spkr = message->Pot2_Value;
cathal66 6:6cdc2d2e804b 132 }
cathal66 6:6cdc2d2e804b 133 else if (message->Light == 4)
cathal66 6:6cdc2d2e804b 134 {
cathal66 6:6cdc2d2e804b 135 LED_1 = message->Pot1_Value; // dim the Blue LED with the value in pot1
cathal66 6:6cdc2d2e804b 136 LED_2 = message->Pot1_Value; // dim the Green LED with the value in pot1
cathal66 6:6cdc2d2e804b 137 LED_3 = 1; //Turn off LED
cathal66 6:6cdc2d2e804b 138 spkr = message->Pot2_Value; // dim the Blue LED with the value in pot1
cathal66 6:6cdc2d2e804b 139 }
cathal66 6:6cdc2d2e804b 140
cathal66 6:6cdc2d2e804b 141 mpool.free(message); // Frees up memory
emilmont 1:d2ba5afbf91f 142 }
emilmont 1:d2ba5afbf91f 143 }
cathal66 6:6cdc2d2e804b 144 }