very simple Freertos hello world
Dependencies: mbed freertos_test FreeRTOS
main.cpp@4:92f2a8e0020c, 2017-04-20 (annotated)
- Committer:
- chalikias
- Date:
- Thu Apr 20 14:45:32 2017 +0000
- Revision:
- 4:92f2a8e0020c
- Parent:
- 3:d577dbef65a2
- Child:
- 5:9f58d90ad87b
Tested with different mbed platforms and updated header comments with compatibility
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
chalikias | 2:7a112956091c | 1 | // N.C. Freertos mbed minimal example based on below: |
chalikias | 2:7a112956091c | 2 | // https://developer.mbed.org/users/rgrover1/code/FreeRTOS/ |
chalikias | 0:7f7fa5e631ec | 3 | // http://www.radekdostal.com/content/freertos-610-minimal-example |
chalikias | 4:92f2a8e0020c | 4 | // 20/04/2017 update: Compiled for and NUCLEO-F104RB, without errors |
chalikias | 4:92f2a8e0020c | 5 | // Complile without errors: LPC1768,NUCLEO-F104RB,F401RE,L152RE |
chalikias | 4:92f2a8e0020c | 6 | // Compilation Errors for: EA LPC11U35, TG-LPC11U35-501 nRF51822, FRDM-K25Z, |
chalikias | 4:92f2a8e0020c | 7 | // nRF52-DK,BBC micro:bit,LPC1114FN28, NUCLEO-F030R8 |
chalikias | 4:92f2a8e0020c | 8 | // NUCLEO-F746ZG, LPC800-MAX |
chalikias | 0:7f7fa5e631ec | 9 | |
chalikias | 0:7f7fa5e631ec | 10 | #include "mbed.h" |
chalikias | 0:7f7fa5e631ec | 11 | #include "FreeRTOS.h" |
chalikias | 0:7f7fa5e631ec | 12 | #include "task.h" |
chalikias | 0:7f7fa5e631ec | 13 | |
chalikias | 0:7f7fa5e631ec | 14 | DigitalOut led1(LED1); |
chalikias | 0:7f7fa5e631ec | 15 | DigitalOut led2(LED2); |
chalikias | 0:7f7fa5e631ec | 16 | |
chalikias | 0:7f7fa5e631ec | 17 | void Task1 (void* pvParameters) |
chalikias | 0:7f7fa5e631ec | 18 | { |
chalikias | 0:7f7fa5e631ec | 19 | (void) pvParameters; // Just to stop compiler warnings. |
chalikias | 0:7f7fa5e631ec | 20 | for (;;) { |
chalikias | 0:7f7fa5e631ec | 21 | led1 = !led1; |
chalikias | 2:7a112956091c | 22 | printf("Task1\n"); |
chalikias | 0:7f7fa5e631ec | 23 | vTaskDelay(500); |
chalikias | 0:7f7fa5e631ec | 24 | } |
chalikias | 0:7f7fa5e631ec | 25 | } |
chalikias | 0:7f7fa5e631ec | 26 | |
chalikias | 0:7f7fa5e631ec | 27 | void Task2 (void* pvParameters) |
chalikias | 0:7f7fa5e631ec | 28 | { |
chalikias | 0:7f7fa5e631ec | 29 | (void) pvParameters; // Just to stop compiler warnings. |
chalikias | 0:7f7fa5e631ec | 30 | for (;;) { |
chalikias | 0:7f7fa5e631ec | 31 | led2= !led2; |
chalikias | 2:7a112956091c | 32 | printf("Task2\n"); |
chalikias | 0:7f7fa5e631ec | 33 | vTaskDelay(5000); |
chalikias | 0:7f7fa5e631ec | 34 | } |
chalikias | 0:7f7fa5e631ec | 35 | } |
chalikias | 0:7f7fa5e631ec | 36 | |
chalikias | 0:7f7fa5e631ec | 37 | int main (void) |
chalikias | 0:7f7fa5e631ec | 38 | { |
chalikias | 3:d577dbef65a2 | 39 | xTaskCreate( Task1, ( signed char * ) "Task1", configMINIMAL_STACK_SIZE, NULL, tskIDLE_PRIORITY, ( xTaskHandle * ) NULL ); |
chalikias | 3:d577dbef65a2 | 40 | xTaskCreate( Task2, ( signed char * ) "Task2", configMINIMAL_STACK_SIZE, NULL, tskIDLE_PRIORITY, ( xTaskHandle * ) NULL ); |
chalikias | 0:7f7fa5e631ec | 41 | vTaskStartScheduler(); |
chalikias | 0:7f7fa5e631ec | 42 | //should never get here |
chalikias | 0:7f7fa5e631ec | 43 | printf("ERORR: vTaskStartScheduler returned!"); |
chalikias | 0:7f7fa5e631ec | 44 | for (;;); |
chalikias | 0:7f7fa5e631ec | 45 | } |