Changes to the FreeRTOS code:

[freertos] / FreeRTOS / Source / timers.c

diff --git a/FreeRTOS/Source/timers.c b/FreeRTOS/Source/timers.c
index c7ab9023f007fb4f2a3083d398243985b806f724..0aef5ad71b5f6fb0e103f85a08e0d3959b94a19f 100644 (file)
--- a/FreeRTOS/Source/timers.c
+++ b/FreeRTOS/Source/timers.c
@@ -178,6 +178,16 @@ PRIVILEGED_DATA static QueueHandle_t xTimerQueue = NULL;
 \r
 /*-----------------------------------------------------------*/\r
 \r
+#if( configSUPPORT_STATIC_ALLOCATION == 1 )\r
+\r
+       /* If static allocation is supported then the application must provide the\r
+       following callback function - which enables the application to optionally\r
+       provide the memory that will be used by the timer task as the task's stack\r
+       and TCB. */\r
+       extern void vApplicationGetTimerTaskMemory( DummyTCB_t **ppxTimerTaskTCBBuffer, StackType_t **ppxTimerTaskStackBuffer, uint16_t *pusTimerTaskStackSize );\r
+\r
+#endif\r
+\r
 /*\r
  * Initialise the infrastructure used by the timer service task if it has not\r
  * been initialised already.\r
@@ -240,6 +250,10 @@ static void prvProcessTimerOrBlockTask( const TickType_t xNextExpireTime, BaseTy
 BaseType_t xTimerCreateTimerTask( void )\r
 {\r
 BaseType_t xReturn = pdFAIL;\r
+DummyTCB_t *pxTimerTaskTCBBuffer = NULL;\r
+StackType_t *pxTimerTaskStackBuffer = NULL;\r
+uint16_t usTimerTaskStackSize = configTIMER_TASK_STACK_DEPTH;\r
+\r
 \r
        /* This function is called when the scheduler is started if\r
        configUSE_TIMERS is set to 1.  Check that the infrastructure used by the\r
@@ -249,16 +263,24 @@ BaseType_t xReturn = pdFAIL;
 \r
        if( xTimerQueue != NULL )\r
        {\r
+\r
+               #if( configSUPPORT_STATIC_ALLOCATION == 1 )\r
+               {\r
+                       vApplicationGetTimerTaskMemory( &pxTimerTaskTCBBuffer, &pxTimerTaskStackBuffer, &usTimerTaskStackSize );\r
+               }\r
+               #endif /* configSUPPORT_STATIC_ALLOCATION */\r
+\r
+\r
                #if ( INCLUDE_xTimerGetTimerDaemonTaskHandle == 1 )\r
                {\r
                        /* Create the timer task, storing its handle in xTimerTaskHandle so\r
                        it can be returned by the xTimerGetTimerDaemonTaskHandle() function. */\r
-                       xReturn = xTaskCreate( prvTimerTask, "Tmr Svc", ( uint16_t ) configTIMER_TASK_STACK_DEPTH, NULL, ( ( UBaseType_t ) configTIMER_TASK_PRIORITY ) | portPRIVILEGE_BIT, &xTimerTaskHandle );\r
+                       xReturn = xTaskGenericCreate( prvTimerTask, "Tmr Svc", usTimerTaskStackSize, NULL, ( ( UBaseType_t ) configTIMER_TASK_PRIORITY ) | portPRIVILEGE_BIT, &xTimerTaskHandle, pxTimerTaskStackBuffer, pxTimerTaskTCBBuffer, NULL );\r
                }\r
                #else\r
                {\r
                        /* Create the timer task without storing its handle. */\r
-                       xReturn = xTaskCreate( prvTimerTask, "Tmr Svc", ( uint16_t ) configTIMER_TASK_STACK_DEPTH, NULL, ( ( UBaseType_t ) configTIMER_TASK_PRIORITY ) | portPRIVILEGE_BIT, NULL);\r
+                       xReturn = xTaskGenericCreate( prvTimerTask, "Tmr Svc", usTimerTaskStackSize, NULL, ( ( UBaseType_t ) configTIMER_TASK_PRIORITY ) | portPRIVILEGE_BIT, NULL, pxTimerTaskStackBuffer, pxTimerTaskTCBBuffer, NULL );\r
                }\r
                #endif\r
        }\r