❶ 关于ucos系统中OSTaskCreateExt( )函数的问题。
堆栈检验是调用这个函数，看它的返回值
*********************************************************************************************************
* STACK CHECKING
*
* Description: This function is called to check the amount of free memory left on the specified task's
* stack.
*
* Arguments : prio is the task priority
*
* pdata is a pointer to a data structure of type OS_STK_DATA.
*
* Returns : OS_NO_ERR upon success
* OS_PRIO_INVALID if the priority you specify is higher that the maximum allowed
* (i.e. > OS_LOWEST_PRIO) or, you have not specified OS_PRIO_SELF.
* OS_TASK_NOT_EXIST if the desired task has not been created
* OS_TASK_OPT_ERR if you did NOT specified OS_TASK_OPT_STK_CHK when the task was created
*********************************************************************************************************
*/
INT8U OSTaskStkChk (INT8U prio, OS_STK_DATA *pdata)