void DRV_USART_Close ( DRV_HANDLE handle)
{
/* This function closes the client, The client
object is de-allocated and returned to the
pool. */
DRV_USART_CLIENT_OBJ * clientObj;
DRV_USART_OBJ * dObj;
/* Validate the handle */
clientObj = _DRV_USART_DriverHandleValidate(handle);
if(clientObj == NULL)
{
/* Driver handle is not valid */
SYS_DEBUG(0, "Invalid Driver Handle");
return;
}
dObj = (DRV_USART_OBJ *)clientObj->hDriver;
/* Remove all buffers that this client owns from the driver queue. This
function will map to _DRV_USART_ClientBufferQueueObjectsRemove() if the
driver was built for buffer queue support. Else this condition always
maps to true. */
if(!_DRV_USART_CLIENT_BUFFER_QUEUE_OBJECTS_REMOVE(clientObj))
{
/* The function could fail if the mutex time out occurred */
SYS_DEBUG(0, "Could not remove client buffer objects");
clientObj->status = DRV_USART_CLIENT_STATUS_ERROR;
return;
}
/* Deallocate all semaphores */
OSAL_ASSERT((OSAL_SEM_Delete(&(clientObj->semWriteDone)) == OSAL_RESULT_TRUE),
"Unable to delete client write done semaphore");
OSAL_ASSERT((OSAL_SEM_Delete(&(clientObj->semReadDone)) == OSAL_RESULT_TRUE),
"Unable to delete client read done semaphore");
/* Reduce the number of clients */
dObj->nClients --;
/* De-allocate the object */
clientObj->status = DRV_USART_CLIENT_STATUS_CLOSED;
clientObj->inUse = false;
return;
}
void WDRV_SemDeInit(OSAL_SEM_HANDLE_TYPE *SemID)
{
OSAL_SEM_Delete(SemID);
}
static __inline__ void __attribute__((always_inline)) _UserGblLockDelete(void)
{
OSAL_SEM_Delete(&sSysTmrObject.userSem);
}
