palz84 wrote on Wednesday, January 30, 2013:
Hi all,
I created a queue using xQueueCreate API inside main function where it is successfully created. But when i check the same queue handle inside the TasK it is NULL.
Here is the code details.
------ In FreeRTOSConfig.h ------
#define configMINIMAL_STACK_SIZE ( ( unsigned short ) 1000 )
#define configTOTAL_HEAP_SIZE ( (size_t) (80 * 1024) )
------ Inside Main d=function ------
g_hRcvQueue0 = xQueueCreate( 128, ( unsigned portBASE_TYPE ) sizeof( signed char ) );
if(g_hRcvQueue0 == NULL)
xil_printf("\r\ng_hRcvQueue0 creation failed") ;
------ Inside RcvTask ------
if(g_hRcvQueue0 == NULL)
xil_printf("\r\ng_hRcvQueue0 creation failed") ;
Even though g_hRcvQueue0 (queue handle) is declared as global it becomes NULL when i checked it inside the tasks.
I don’t know the reason why it become NULL.