Diff: main.cpp

Revision:

0:1937678a6b68

diff -r 000000000000 -r 1937678a6b68 main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed May 31 02:56:40 2017 +0000
@@ -0,0 +1,87 @@
+#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 the 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