@ -107,6 +107,15 @@ comprehensive test and demo application is implemented and described in
main_full . c . */ main_full . c . */
# define mainCREATE_SIMPLE_BLINKY_DEMO_ONLY 0 # define mainCREATE_SIMPLE_BLINKY_DEMO_ONLY 0
/* This demo uses heap_5.c, and these constants define the sizes of the regions
that make up the total heap . This is only done to provide an example of heap_5
being used as this demo could easily create one large heap region instead of
multiple smaller heap regions - in which case heap_4 . c would be the more
appropriate choice . */
# define mainREGION_1_SIZE 2001
# define mainREGION_2_SIZE 18005
# define mainREGION_3_SIZE 1007
/*
/*
* main_blinky ( ) is used when mainCREATE_SIMPLE_BLINKY_DEMO_ONLY is set to 1.
* main_blinky ( ) is used when mainCREATE_SIMPLE_BLINKY_DEMO_ONLY is set to 1.
* main_full ( ) is used when mainCREATE_SIMPLE_BLINKY_DEMO_ONLY is set to 0.
* main_full ( ) is used when mainCREATE_SIMPLE_BLINKY_DEMO_ONLY is set to 0.
@ -114,15 +123,28 @@ main_full.c. */
extern void main_blinky ( void ) ; extern void main_blinky ( void ) ;
extern void main_full ( void ) ; extern void main_full ( void ) ;
/* Some of the RTOS hook (callback) functions only need special processing when
/*
the full demo is being used . The simply blinky demo has no special requirements , * Some of the RTOS hook ( callback ) functions only need special processing when
so these functions are called from the hook functions defined in this file , but * the full demo is being used . The simply blinky demo has no special
are defined in main_full . c . */ * requirements , so these functions are called from the hook functions defined
* in this file , but are defined in main_full . c .
*/
void vFullDemoTickHookFunction ( void ) ; void vFullDemoTickHookFunction ( void ) ;
void vFullDemoIdleFunction ( void ) ; void vFullDemoIdleFunction ( void ) ;
/* Prototypes for the standard FreeRTOS callback/hook functions implemented
/*
within this file . */ * This demo uses heap_5 . c , so start by defining some heap regions . This is
* only done to provide an example as this demo could easily create one large
* heap region instead of multiple smaller heap regions - in which case heap_4 . c
* would be the more appropriate choice . No initialisation is required when
* heap_4 . c is used .
*/
static void prvInitialiseHeap ( void ) ;
/*
* Prototypes for the standard FreeRTOS callback / hook functions implemented
* within this file .
*/
void vApplicationMallocFailedHook ( void ) ; void vApplicationMallocFailedHook ( void ) ;
void vApplicationIdleHook ( void ) ; void vApplicationIdleHook ( void ) ;
void vApplicationStackOverflowHook ( TaskHandle_t pxTask , char * pcTaskName ) ; void vApplicationStackOverflowHook ( TaskHandle_t pxTask , char * pcTaskName ) ;
@ -145,6 +167,13 @@ static portBASE_TYPE xTraceRunning = pdTRUE;
int main ( void ) int main ( void )
{ {
/* This demo uses heap_5.c, so start by defining some heap regions. This
is only done to provide an example as this demo could easily create one
large heap region instead of multiple smaller heap regions - in which case
heap_4 . c would be the more appropriate choice . No initialisation is
required when heap_4 . c is used . */
prvInitialiseHeap ( ) ;
/* Initialise the trace recorder and create the label used to post user
/* Initialise the trace recorder and create the label used to post user
events to the trace recording on each tick interrupt . */
events to the trace recording on each tick interrupt . */
vTraceInitTraceData ( ) ;
vTraceInitTraceData ( ) ;
@ -311,3 +340,33 @@ FILE* pxOutputFile;
printf ( " \r \n Failed to create trace dump file \r \n " ) ;
printf ( " \r \n Failed to create trace dump file \r \n " ) ;
}
}
} }
/*-----------------------------------------------------------*/
static void prvInitialiseHeap ( void )
{
/* This demo uses heap_5.c, so start by defining some heap regions. This is
only done to provide an example as this demo could easily create one large heap
region instead of multiple smaller heap regions - in which case heap_4 . c would
be the more appropriate choice . No initialisation is required when heap_4 . c is
used . The xHeapRegions structure requires the regions to be defined in order ,
so this just creates one big array , then populates the structure with offsets
into the array - with gaps in between and messy alignment just for test
purposes . */
static uint8_t ucHeap [ configTOTAL_HEAP_SIZE ] ;
volatile uint32_t ulAdditionalOffset = 19 ; /* Just to prevent 'condition is always true' warnings in configASSERT(). */
const HeapRegion_t xHeapRegions [ ] =
{
/* Start address with dummy offsets Size */
{ ucHeap + 1 , mainREGION_1_SIZE } ,
{ ucHeap + 15 + mainREGION_1_SIZE , mainREGION_2_SIZE } ,
{ ucHeap + 19 + mainREGION_1_SIZE + mainREGION_2_SIZE , mainREGION_3_SIZE } ,
{ NULL , 0 }
} ;
/* Sanity check that the sizes and offsets defined actually fit into the
array . */
configASSERT ( ( ulAdditionalOffset + mainREGION_1_SIZE + mainREGION_2_SIZE + mainREGION_3_SIZE ) < configTOTAL_HEAP_SIZE ) ;
vPortDefineHeapRegions ( xHeapRegions ) ;
}
Richard Barry
11 years ago