Francisco Paez
/
mbed_lpc1768_freertos_lib
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Dependencies: freertos-cm3 mbed
Revision 0:dbd132c0cd63, committed 2017-05-31
- Comitter:
- fep
- Date:
- Wed May 31 02:52:49 2017 +0000
- Commit message:
- Example program for mbed LCC1768 that uses FreeRTOS to create a single periodic task.
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/freertos.lib Wed May 31 02:52:49 2017 +0000 @@ -0,0 +1,1 @@ +https://developer.mbed.org/users/fep/code/freertos-cm3/#5ff20db10a96
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Wed May 31 02:52:49 2017 +0000
@@ -0,0 +1,89 @@
+#include "mbed.h"
+#include "FreeRTOS.h"
+#include "task.h"
+
+#define TASK_STACK_SIZE 128
+
+/* Prototypes for the standard FreeRTOS callback/hook functions implemented
+ * within this file. The extern "C" is required to avoid name mangling between
+ * C and C++ code.
+ */
+extern "C"
+{
+#if ( configUSE_MALLOC_FAILED_HOOK == 1 )
+void vApplicationMallocFailedHook( void );
+#endif
+#if ( configCHECK_FOR_STACK_OVERFLOW > 0 )
+void vApplicationStackOverflowHook( TaskHandle_t pxTask, char *pcTaskName );
+#endif
+}
+
+DigitalOut led1(LED1);
+
+void task (void*);
+
+int main()
+{
+ led1 = 0;
+
+ // Create a task.
+ xTaskCreate( task, "T01", TASK_STACK_SIZE, NULL, configMAX_PRIORITIES - 1, NULL );
+
+ // Start FreeRTOS scheduler.
+ vTaskStartScheduler();
+
+ // Should never reach here.
+ for(;;);
+}
+
+/*
+ * Blink LED1 every second (1000 ticks).
+ */
+void task (void *param)
+{
+ TickType_t xPreviousWakeTime = ( TickType_t ) 0U;
+
+ for(;;) {
+ led1 = !led1;
+
+ // Delay a task until next period (1 sec)
+ vTaskDelayUntil( &xPreviousWakeTime, ( TickType_t ) 1000 );
+ }
+}
+
+#if ( configUSE_MALLOC_FAILED_HOOK == 1 )
+void vApplicationMallocFailedHook( void )
+{
+ taskDISABLE_INTERRUPTS();
+
+ DigitalOut led4(LED4);
+
+ for( ;; )
+ {
+ led4 = 1;
+ wait_ms(1000);
+ led4 = 0;
+ wait_ms(1000);
+ }
+}
+#endif
+
+#if ( configCHECK_FOR_STACK_OVERFLOW > 0 )
+void vApplicationStackOverflowHook( TaskHandle_t pxTask, char *pcTaskName )
+{
+ ( void ) pcTaskName;
+ ( void ) pxTask;
+
+ taskDISABLE_INTERRUPTS();
+
+ DigitalOut led4(LED4);
+
+ for( ;; )
+ {
+ led4 = 1;
+ wait_ms(500);
+ led4 = 0;
+ wait_ms(500);
+ }
+}
+#endif
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Wed May 31 02:52:49 2017 +0000 @@ -0,0 +1,1 @@ +https://mbed.org/users/mbed_official/code/mbed/builds/86740a56073b \ No newline at end of file