Task 6.1.3 Starting point updated for mbed OS 5.4
Fork of Task613-mbedos54 by
main.cpp
- Committer:
- noutram
- Date:
- 2016-03-08
- Revision:
- 0:1f4d20070876
- Child:
- 1:cf2510fcf09a
File content as of revision 0:1f4d20070876:
#include "mbed.h" #include "rtos.h" #define RED_ON 1 #define YELLOW_ON 2 #define GREEN_ON 4 #define ALL_ON 7 //Function declarations void Function1(void const *args); void Function2(void const *args); void Function3(void const *args); void Function4(void const *args); //I/O DigitalOut onBoardLED(LED1); DigitalOut redLED(D7); DigitalOut yellowLED(D6); DigitalOut greenLED(D5); DigitalIn onBoardSwitch(USER_BUTTON); DigitalIn SW1(D4); DigitalIn SW2(D3); Thread* t1; Thread* t2; Thread* t3; Thread* t4; //Thread ID osThreadId idMain; osThreadId id1; osThreadId id2; osThreadId id3; osThreadId id4; void Function1(void const *args) { while (true) { redLED = !redLED; if (redLED == 1) { t4->signal_set(RED_ON); } Thread::wait(5100); } } void Function2(void const *args) { while (true) { yellowLED = !yellowLED; if (yellowLED == 1) { t4->signal_set(YELLOW_ON); } Thread::wait(1900); } } //Green Flashing void Function3(void const *args) { while (true) { greenLED = !greenLED; if (greenLED == 1) { t4->signal_set(GREEN_ON); } Thread::wait(700); } } //This function waits for signals from all other threads void Function4(void const *args) { while (true) { Thread::signal_wait(RED_ON); printf("Red\n"); Thread::signal_wait(YELLOW_ON); printf("Yellow\n"); Thread::signal_wait(GREEN_ON); printf("Green\n"); //Signal main thread osSignalSet(idMain, ALL_ON); } } //Main thread int main() { redLED = 1; yellowLED = 0; greenLED = 0; //Main thread ID idMain = osThreadGetId(); //CMSIS RTOS call //Create and run threads t4 = new Thread(Function4); t1 = new Thread(Function1); t2 = new Thread(Function2); t3 = new Thread(Function3); //Dynamically allocated //Thread ID id1 = t1->gettid(); id2 = t2->gettid(); id3 = t3->gettid(); id4 = t4->gettid(); while(1) { //Wait for the ALL_ON signal osSignalWait(ALL_ON,osWaitForever); printf("ALL\n"); } }