Example #1
0
File: PID.c Project: rnkenyon/UAV
void runPID(void *Parameters)
{
	float currError = 0, prevError = 0, errorSum = 0, errorDiff = 0,
			outD = 0, outP = 0, outI = 0, output = 0;
	int delayTicks;

	struct PIDParameters * params = Parameters;

	CoWaitForSingleFlag(params->InitCompleteFlagID, 0);

	while (1)
	{
		if (RegisterMap[REGISTER_CONTROL_MODE].Bits & CONTROL_MODE_AUTO_MODE && RegisterMap[REGISTER_CONTROL_MODE].Bits & params->ControlBitMask)
		{
			CoPendSem(params->ThisPIDSemID, 0);

			if(!params->IsTopLevelUnit)
				CoPendSem(params->PrevPIDSemID, 0);

			CoPendSem(params->DataSemID, 0);

			currError = *(params->SetPoint) - *(params->ProcessVariable);
			errorSum += currError;
			errorDiff = currError - prevError;

			prevError = currError;

			outD = *(params->KD) * errorDiff;
			outI = *(params->KI) * errorSum;
			outP = *(params->KP) * currError;

			output = outD + outP + outI;

			*(params->OutputVariable) = output;

			CoPostSem(params->ThisPIDSemID);

			if(!params->IsTopLevelUnit)
				CoPostSem(params->PrevPIDSemID);

			CoPostSem(params->DataSemID);
		}
		else
		{
			// Reset if the PID controller is turned off
			currError = 0;
			errorSum  = 0;
			errorDiff = 0;
			prevError = 0;
		}

		delayTicks = delaymsToTicks(*(params->UpdateTime_ms));

		CoTickDelay(delayTicks);
	}
}
Example #2
0
static void sem2_execute(void) 
{
	int i;
	StatusType err;	
	for(i = 0; i < MAX_SLAVE_TEST_TASKS; i++)
	{
	 	Task_Id[i] = 0;
	}
	sem1ID = CoCreateSem(0,5,EVENT_SORT_TYPE_PRIO);
	testAssert(sem1ID != (OS_EventID)-1,"#3");;

	Task_Id[0] = CoCreateTask(task1, "A", MAINTEST_PRIMARY_PRIORITY - 3, &Task_Stack[0][SLAVE_TASK_STK_SIZE-1], SLAVE_TASK_STK_SIZE);
	Task_Id[1] = CoCreateTask(task1, "B", MAINTEST_PRIMARY_PRIORITY - 4, &Task_Stack[1][SLAVE_TASK_STK_SIZE-1], SLAVE_TASK_STK_SIZE);
	Task_Id[2] = CoCreateTask(task1, "C", MAINTEST_PRIMARY_PRIORITY - 1, &Task_Stack[2][SLAVE_TASK_STK_SIZE-1], SLAVE_TASK_STK_SIZE);
	Task_Id[3] = CoCreateTask(task1, "D", MAINTEST_PRIMARY_PRIORITY - 5, &Task_Stack[3][SLAVE_TASK_STK_SIZE-1], SLAVE_TASK_STK_SIZE);
	Task_Id[4] = CoCreateTask(task1, "E", MAINTEST_PRIMARY_PRIORITY - 2, &Task_Stack[4][SLAVE_TASK_STK_SIZE-1], SLAVE_TASK_STK_SIZE);

	for(i = 0; i < 5; i++)
	{
		err = CoPostSem(sem1ID);
	}
	testAssertSequence("DBAEC");
	err = CoDelSem(sem1ID,OPT_DEL_ANYWAY);
	testAssert(err == E_OK,"#4");

}
Example #3
0
/**
 *******************************************************************************
 * @brief      Respond the request in the service request queue.	 
 * @param[in]  None
 * @param[out] None 
 * @retval     None  
 *
 * @par Description		 
 * @details    This function be called to respond the request in the service  
 *             request queue.
 * @note 
 *******************************************************************************
 */
void RespondSRQ(void)
{
#if CFG_MAX_SERVICE_REQUEST > 0
    U16 i;
    P_SQC pcell;
#endif
 
#if (CFG_TASK_WAITTING_EN > 0)
    if(TimeReq == TRUE)                 /* Time delay request?                */
    {
        TimeDispose();                  /* Yes,call handler                   */
        TimeReq = FALSE;                /* Reset time delay request false     */
    }
#endif
#if CFG_TMR_EN  > 0
    if(TimerReq == TRUE)                /* Timer request?                     */
    {
        TmrDispose();                   /* Yes,call handler                   */
        TimerReq = FALSE;               /* Reset timer request false          */
    }
#endif

#if CFG_MAX_SERVICE_REQUEST > 0
    pcell = &ServiceReq.cell[0];  /* Get the head item of service request list*/
    for(i=0;i<ServiceReq.cnt;i++,pcell++) 
    {
        switch(pcell->type)             /* Judge service request type         */
        {
#if CFG_SEM_EN > 0
            case SEM_REQ:               /* Semaphore post request,call handler*/
                  CoPostSem(pcell->id);
                  break;
#endif
#if CFG_MAILBOX_EN > 0
            case MBOX_REQ:              /* Mailbox post request,call handler  */
                  CoPostMail(pcell->id,pcell->arg);
                  break;
#endif
#if CFG_FLAG_EN > 0
            case FLAG_REQ:              /* Flag set request,call handler      */
                  CoSetFlag(pcell->id);
                  break;
#endif	 
#if CFG_QUEUE_EN > 0
            case QUEUE_REQ:             /* Queue post request,call handler    */
				  CoPostQueueMail(pcell->id,pcell->arg);
                  break;
#endif
            default:                    /* Others,break                       */
                  break;
		}
    pcell->type = 0;                    /* Initialize the service request cell*/
    pcell->id   = 0;
    pcell->arg  = 0;	
	}
    ServiceReq.cnt = 0;               /* Initialize the service request queue */
#endif
    IsrReq = FALSE;
}
Example #4
0
StatusType isr_PostSem(OS_EventID id)
{
    if(OSSchedLock > 0)         /* If scheduler is locked,(the caller is ISR) */      
    {
        /* Initiate a post service handling request */
        if(InsertInSRQ(SEM_REQ,id,Co_NULL) == Co_FALSE)
        {
            return E_SEV_REQ_FULL;        /* If service request queue is full */
        }			
        else                              /* Operate successfully             */
        {
            return E_OK;                        
        }
    }
    else
    {
        return(CoPostSem(id));            /* Post semaphore                   */
    }
}
Example #5
0
/**
 *******************************************************************************
 * @brief      Respond the request in the service request queue.
 * @param[in]  None
 * @param[out] None
 * @retval     None
 *
 * @par Description
 * @details    This function be called to respond the request in the service
 *             request queue.
 * @note
 *******************************************************************************
 */
void RespondSRQ(void) {

#if CFG_MAX_SERVICE_REQUEST > 0
	SQC cell;

#endif

#if (CFG_TASK_WAITTING_EN > 0)
	if(TimeReq == Co_TRUE) {               /* Time delay request?                */
		TimeDispose();                  /* Yes,call handler                   */
		TimeReq = Co_FALSE;                /* Reset time delay request Co_FALSE     */
	}
#endif
#if CFG_TMR_EN  > 0
	if(TimerReq == Co_TRUE) {              /* Timer request?                     */
		TmrDispose();                   /* Yes,call handler                   */
		TimerReq = Co_FALSE;               /* Reset timer request Co_FALSE          */
	}
#endif

#if CFG_MAX_SERVICE_REQUEST > 0

	while (ServiceReq.cnt != 0) {
		IRQ_DISABLE_SAVE ();            /* need to protect the following      */
		cell = ServiceReq.cell[ServiceReq.head];  /* extract one cell         */
		ServiceReq.head = (ServiceReq.head + 1) % /* move head (pop)          */
						  CFG_MAX_SERVICE_REQUEST;
		ServiceReq.cnt--;
		IRQ_ENABLE_RESTORE ();          /* now use the cell copy              */

		switch(cell.type) {             /* Judge service request type         */
#if CFG_SEM_EN > 0
			case SEM_REQ:                   /* Semaphore post request,call handler*/
				CoPostSem(cell.id);
				break;
#endif
#if CFG_MAILBOX_EN > 0
			case MBOX_REQ:                  /* Mailbox post request,call handler  */
				CoPostMail(cell.id, cell.arg);
				break;
#endif
#if CFG_FLAG_EN > 0
			case FLAG_REQ:                  /* Flag set request,call handler      */
				CoSetFlag(cell.id);
				break;
#endif
#if CFG_QUEUE_EN > 0
			case QUEUE_REQ:                 /* Queue post request,call handler    */
				CoPostQueueMail(cell.id, cell.arg);
				break;
#endif
			default:                        /* Others,break                       */
				break;
		}
	}
#endif
	IRQ_DISABLE_SAVE ();                /* need to protect the following      */

	if (ServiceReq.cnt == 0) {          /* another item in the queue already? */
		IsrReq = Co_FALSE;                 /* queue still empty here             */
	}
	IRQ_ENABLE_RESTORE ();              /* now it is done and return          */
}
Example #6
0
static void task2(void* pdata)
{
 	CoTickDelay(50);
	CoPostSem(sem1ID);
	CoExitTask();
}
Example #7
0
void sys_sem_signal(sys_sem_t *sem) {
    CoPostSem(*sem);
}