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TestsRTOS
Learn how to use embedded RTOS (Beta version RTOS)
Revision 2:daaf6b6ad568, committed 2015-09-03
- Comitter:
- leonardoaraujosantos
- Date:
- Thu Sep 03 22:35:15 2015 +0000
- Parent:
- 1:4d067c712d03
- Commit message:
- Adding periodic timer
Changed in this revision
main.cpp | Show annotated file Show diff for this revision Revisions of this file |
--- a/main.cpp Thu Sep 03 22:11:03 2015 +0000 +++ b/main.cpp Thu Sep 03 22:35:15 2015 +0000 @@ -23,20 +23,10 @@ // Mutex shared by threads that want's to use the serial port Mutex stdio_mutex; -void led_thread(void const *args) +void toogleLed(void const *args) { - while (true) { - // Toogle led - led2 = !led2; - - // To avoid using the serial port at the same time by two threads use the mutex - stdio_mutex.lock(); - serialIO.printf("Toogle led2 from thread1 !\r\n"); - stdio_mutex.unlock(); - - // Put thread in wait state for 500ms - Thread::wait(500); - } + // Toogle led + led2 = !led2; } void check_button(void const *args) @@ -51,7 +41,7 @@ stdio_mutex.unlock(); // Put thread in wait state for 100ms - Thread::wait(100); + Thread::wait(300); } } @@ -64,7 +54,7 @@ message->voltage = (i * 0.1) * 33; message->counter = i; queue.put(message); - Thread::wait(100); + Thread::wait(2000); } } @@ -75,7 +65,7 @@ osEvent evt = queue.get(); if (evt.status == osEventMessage) { message_t *message = (message_t*)evt.value.p; - + // Grab mutex to print data stdio_mutex.lock(); serialIO.printf("\nVoltage: %.2f V\n\r" , message->voltage); @@ -88,19 +78,20 @@ } int main() -{ +{ // Configure the serial speed. serialIO.baud(115200); serialIO.printf("Learning Microcontrollers with mbed !\r\n"); - // Start a thread to togle the led - Thread thread_1(led_thread); + // Start a thread to togle the led Thread thread_2(check_button); Thread thread_3(data_producer); Thread thread_4(data_consumer); + + // Periodically call a function + RtosTimer timerTogLed(toogleLed, osTimerPeriodic); + timerTogLed.start(1000); // Lock forever here... - while(1) { - - } + Thread::wait(osWaitForever); }