コード例 #1
0
/**  To Register the ISRs with the underlying OS, if required */
void registerEdma3Interrupts (unsigned int edma3Id)
    {
    static UInt32 cookie = 0;
    Int eventId = 0;	/* GEM event id */
	unsigned int numTc = 0;

    /* Disabling the global interrupts */
    cookie = Hwi_disable();

	/* Transfer completion ISR */
	CpIntc_dispatchPlug(ccXferCompInt[edma3Id][dsp_num],
						lisrEdma3ComplHandler0,
						edma3Id,
						TRUE);
	CpIntc_mapSysIntToHostInt(0, ccXferCompInt[edma3Id][dsp_num],
								ccXferHostInt[edma3Id][dsp_num]);
	CpIntc_enableHostInt(0, ccXferHostInt[edma3Id][dsp_num]);
    eventId = CpIntc_getEventId(ccXferHostInt[edma3Id][dsp_num]);
    EventCombiner_dispatchPlug (eventId, CpIntc_dispatch,
                                ccXferHostInt[edma3Id][dsp_num], TRUE);
	EventCombiner_enableEvent(eventId);

	/* CC Error ISR */
	CpIntc_dispatchPlug(ccErrorInt[edma3Id], lisrEdma3CCErrHandler0,
						edma3Id, TRUE);
	CpIntc_mapSysIntToHostInt(0, ccErrorInt[edma3Id],
								edma3ErrHostInt[edma3Id][dsp_num]);
	/* TC Error ISR */
    while (numTc < numEdma3Tc[edma3Id])
	    {
		CpIntc_dispatchPlug(tcErrorInt[edma3Id][numTc],
							(CpIntc_FuncPtr )(ptrEdma3TcIsrHandler[numTc]),
							edma3Id, TRUE);
		CpIntc_mapSysIntToHostInt(0, tcErrorInt[edma3Id][numTc],
									edma3ErrHostInt[edma3Id][dsp_num]);
        numTc++;
    	}
	/* Enable the host interrupt which is common for both CC and TC error */
	CpIntc_enableHostInt(0, edma3ErrHostInt[edma3Id][dsp_num]);
    eventId = CpIntc_getEventId(edma3ErrHostInt[edma3Id][dsp_num]);
    EventCombiner_dispatchPlug (eventId, CpIntc_dispatch,
                                edma3ErrHostInt[edma3Id][dsp_num], TRUE);
	EventCombiner_enableEvent(eventId);

    Hwi_enableInterrupt(hwiInterrupt);

    /* enable the 'global' switch */
    CpIntc_enableAllHostInts(0);

    /* Restore interrupts */
    Hwi_restore(cookie);
    }
コード例 #2
0
/**  To Unregister the ISRs with the underlying OS, if previously registered. */
void unregisterEdma3Interrupts (unsigned int edma3Id)
    {
    static UInt32 cookie = 0;
    Int eventId = 0;	/* GEM event id */

    /* Disabling the global interrupts */
    cookie = Hwi_disable();

	/* Transfer completion ISR */
	CpIntc_disableHostInt(0, ccXferHostInt[edma3Id][dsp_num]);
    eventId = CpIntc_getEventId(ccXferHostInt[edma3Id][dsp_num]);
	EventCombiner_disableEvent(eventId);

	/* CC/TC Error ISR */
	CpIntc_disableHostInt(0, edma3ErrHostInt[edma3Id][dsp_num]);
    eventId = CpIntc_getEventId(edma3ErrHostInt[edma3Id][dsp_num]);
	EventCombiner_disableEvent(eventId);

    /* Restore interrupts */
    Hwi_restore(cookie);
    }
コード例 #3
0
BOOL Intr_Init(Intr *pThis, IntrItem eIntrItem, Intr_Handler pfnIntr_Handler, VOID *pIntrHandlerArg) //(*pIntr_Handler)(void *),\
						 
{
	//CSL_Status          intStat;


	//guru:may be not required for C6678
	#if 1
	//Initialize Global interrupts
	//Intr_EnableGlobalInterrupts();
	Hwi_enable();
	#endif
	//Initialize Global interrupts
	//CSL_intcGlobalEnable(NULL);
	//Get the values from Interrupt Table DataBase
	IntrDB_GetIntrTableParam(&pThis->oIntrTableParam, eIntrItem);
	Hwi_Params_init(&pThis->oHwi);
	Error_init(&pThis->eb);


	//Check whether the Interrupt source uses CIC Module
	if(pThis->oIntrTableParam.bCicRequired == TRUE)
	{
		
		/* Map the System Interrupt i.e. the Interrupt Destination 0 interrupt to the DIO ISR Handler. */
		CpIntc_dispatchPlug(pThis->oIntrTableParam.SysInt,(ti_sysbios_family_c66_tci66xx_CpIntc_FuncPtr) pfnIntr_Handler, (xdc_UArg)pIntrHandlerArg, FALSE);

		/* The configuration is for CPINTC0. We map system interrupt 112 to Host Interrupt 8. */
		CpIntc_mapSysIntToHostInt(0,pThis->oIntrTableParam.SysInt,pThis->oIntrTableParam.HostInt );
		/* Get the event id associated with the host interrupt. */
		pThis->oHwi.eventId = CpIntc_getEventId(pThis->oIntrTableParam.HostInt);
		pThis->oHwi.arg = pThis->oIntrTableParam.HostInt;
		pThis->oHwi.maskSetting = Hwi_MaskingOption_NONE;
		//pThis->oHwi.priority = 3;
		pThis->oHwiHandle =	Hwi_create((Int)pThis->oIntrTableParam.eIntcVectorId, (Hwi_FuncPtr)CpIntc_dispatch, &pThis->oHwi, &pThis->eb);// SYSBIOS API
		if(pThis->oHwiHandle==NULL)
							{
								#ifdef DEBUG
								LOG_TRACE0("INTR: Hwi not created  ... Failed.\n");
								#endif
							}
	}
	else
	{
		pThis->oHwi.eventId=pThis->oIntrTableParam.nIntcEventId;
		pThis->oHwi.maskSetting = Hwi_MaskingOption_NONE;
		//pThis->oHwi.priority = 3;
		//register the argument to be passed with the ISR
		pThis->oHwi.arg = (UArg)pIntrHandlerArg;
		pThis->oHwiHandle =	Hwi_create((Int)pThis->oIntrTableParam.eIntcVectorId, (Hwi_FuncPtr)pfnIntr_Handler, &pThis->oHwi, &pThis->eb);// SYSBIOS API
		if(pThis->oHwiHandle==NULL)
							{
								#ifdef DEBUG
								LOG_TRACE0("INTR: Hwi not created  ... Failed.\n");
								#endif
							}
	}
	#ifdef _STE_APP
	//Initialize the oHwi object




	#endif
	#ifdef _STE_BOOT
	//Csl APIs or Hooking the Interrupt Event
	pThis->oIntcHandle = CSL_intcOpen (&pThis->oIntcObj, pThis->oIntrTableParam.nIntcEventId, 
									&pThis->oIntrTableParam.eIntcVectorId, NULL);
    if ((pThis->oIntcHandle == NULL)) 
    {
    	#ifdef DEBUG
    	printf ("INTR: Open... Failed.\n");
        printf ("hIntc = 0x%x]\n", pThis->oIntcHandle);
		#endif
            
    }
    else
	{
		#ifdef DEBUG
        printf ("INTR: Open... Passed.\n");
		#endif
	}

	pThis->oEventRecord.handler = (CSL_IntcEventHandler)pfnIntr_Handler;
    pThis->oEventRecord.arg = pIntrHandlerArg;

    CSL_intcPlugEventHandler(pThis->oIntcHandle, &pThis->oEventRecord);
	#endif

	return TRUE;
}