C++ IEN函数代码示例

HalSci5::HalSci5(){
	int i;

	PORTC.ICR.BIT.B2 = 1;
	PORTC.DDR.BIT.B2 = 0;
	PORTC.DDR.BIT.B3 = 1;

	MSTP(SCI5) = 0;

	SCI5.SCR.BYTE = 0x00;

	SCI5.SMR.BYTE = 0x00;

	SCI5.SCMR.BIT.SMIF= 0;
	SCI5.SCMR.BIT.SINV= 0;
	SCI5.SCMR.BIT.SDIR= 0;

	SCI5.BRR = 12;
	//SCI5.SEMR.BIT.ABCS = 1;
	for(i=0;i<0x800000;i++);
	SCI5.SCR.BYTE = 0x30;

	SCI5.SCR.BIT.TE=1;
	SCI5.SCR.BIT.TIE=1;

	SCI5.SCR.BIT.RE=1;
	SCI5.SCR.BIT.RIE=1;


	IEN(SCI5,RXI5)=0;
	IEN(SCI5,TXI5)=1;
	IPR(SCI5,TXI5)=GeneralConfig::gpsIpr;
	IPR(SCI5,RXI5)=GeneralConfig::gpsIpr;
}

void vInitialiseTimerForIntQueueTest( void )
{
	/* Ensure interrupts do not start until full configuration is complete. */
	portENTER_CRITICAL();
	{
		/* Give write access. */
		SYSTEM.PRCR.WORD = 0xa502;

		/* Cascade two 8bit timer channels to generate the interrupts. 
		8bit timer unit 1 (TMR0 and TMR1) and 8bit timer unit 2 (TMR2 and TMR3 are
		utilised for this test. */

		/* Enable the timers. */
		SYSTEM.MSTPCRA.BIT.MSTPA5 = 0;
		SYSTEM.MSTPCRA.BIT.MSTPA4 = 0;

		/* Enable compare match A interrupt request. */
		TMR0.TCR.BIT.CMIEA = 1;
		TMR2.TCR.BIT.CMIEA = 1;

		/* Clear the timer on compare match A. */
		TMR0.TCR.BIT.CCLR = 1;
		TMR2.TCR.BIT.CCLR = 1;

		/* Set the compare match value. */
		TMR01.TCORA = ( unsigned short ) ( ( ( configPERIPHERAL_CLOCK_HZ / tmrTIMER_0_1_FREQUENCY ) -1 ) / 8 );
		TMR23.TCORA = ( unsigned short ) ( ( ( configPERIPHERAL_CLOCK_HZ / tmrTIMER_0_1_FREQUENCY ) -1 ) / 8 );

		/* 16 bit operation ( count from timer 1,2 ). */
		TMR0.TCCR.BIT.CSS = 3;
		TMR2.TCCR.BIT.CSS = 3;
	
		/* Use PCLK as the input. */
		TMR1.TCCR.BIT.CSS = 1;
		TMR3.TCCR.BIT.CSS = 1;
	
		/* Divide PCLK by 8. */
		TMR1.TCCR.BIT.CKS = 2;
		TMR3.TCCR.BIT.CKS = 2;

		/* Enable TMR 0, 2 interrupts. */
		TMR0.TCR.BIT.CMIEA = 1;
		TMR2.TCR.BIT.CMIEA = 1;

		/* Set interrupt priority and enable. */
		IPR( TMR0, CMIA0 ) = configMAX_SYSCALL_INTERRUPT_PRIORITY - 1;
		IR( TMR0, CMIA0 ) = 0U;
		IEN( TMR0, CMIA0 ) = 1U;

		/* Do the same for TMR2, but to vector 129. */
		IPR( TMR2, CMIA2 ) = configMAX_SYSCALL_INTERRUPT_PRIORITY - 2;
		IR( TMR2, CMIA2 ) = 0U;
		IEN( TMR2, CMIA2 ) = 1U;
	}
	portEXIT_CRITICAL();
}

char HalSci0::getchar(){
	char buf;
	IEN(SCI0,RXI0)=0;
	while(!SCI0.SSR.BIT.RDRF){}
	buf = SCI0.RDR;
	SCI0.SSR.BYTE=(char)(SCI0.SSR.BYTE & 0x80);
	stdout->putChar(buf);
	IR(SCI0,RXI0)=0;
	IEN(SCI0,RXI0)=1;
	return buf;
}

void pl_emergencia_init(void)
{
    ICU.IRQCR[8].BIT.IRQMD = 2;
    IR(ICU, IRQ8)  = 0;            //Clear any previously pending interrupts
    IPR(ICU, IRQ8) = 3;            //Set interrupt priority
    IEN(ICU, IRQ8) = 0;            // Enable interrupt
    IR(ICU, IRQ8)  = 0;            //Clear any previously pending interrupts
    IEN(ICU, IRQ8) = 1;            // Enable interrupt
    xTaskCreate((pdTASK_CODE)emergencia_task, "Emergencia task", 256, NULL, 3, &xEmergenciaTaskHandle );
    R_CMT_CreatePeriodic(10000,timer_motorPower_callback,&timerMotorPower);
}

/******************************************************************************
* Function name : cmt_init
* Description   : Create one-shot timers based on PCLK / 3
* Arguments     : None
* Return Value  : None
******************************************************************************/
void cmt_init(void)
{
    #ifdef PLATFORM_BOARD_RDKRX63N
	SYSTEM.PRCR.WORD = 0xA50B; /* Protect off */
    #endif
    
    /* Cancel CMT module stop state. */
    MSTP(CMT0) = 0;  
    
	MSTP(CMT1) = 0;
	
    #ifdef PLATFORM_BOARD_RDKRX63N
	SYSTEM.PRCR.WORD = 0xA500; /* Protect on  */
    #endif  

    /* Compare Match Timer Control Register (CMCR) 
    b15:b8  reserved:   Read/Write value always 0
    b7      reserved:   Read undef. Write value always 1
    b6      CMIE:       Compare Match Interrupt Enable                
    b5:b2   reserved:   Read/Write value always 0
    b1:b0   CKS:        clock select   3 = count on PCLK / 512  
    */
    CMT0.CMCR.WORD = 0x0003; /* Just set clock divisor for now. */
    CMT1.CMCR.WORD = 0x0003; 
    CMT2.CMCR.WORD = 0x0003;
	    
    /* Compare Match Timer Counter (CMCNT)
    b15:b0  16-bit readable/writable up-counter to generate interrupt requests.
    */
    CMT0.CMCNT = 0x00;      /* Clear the count (default value). */
    CMT1.CMCNT = 0x00;      
    CMT2.CMCNT = 0x00;
	    
    /* Compare Match Timer Constant Register (CMCOR))
    b15:b0  16-bit register sets the value for a compare match with CMCNT.
    */ 
    CMT0.CMCOR = 0xFFFF;    /* Set to max (default value). */
    CMT1.CMCOR = 0xFFFF;    
	CMT2.CMCOR = 0xFFFF;

    IR (CMT0, CMI0);        /* Interrupt reset.  */ 
    IR (CMT1, CMI1);
	IR (CMT2, CMI2);
    
    IPR(CMT0, CMI0) = 4;    /* Interrupt priority set. */
    IPR(CMT1, CMI1) = 4; 
    IPR(CMT2, CMI2) = 4;
	       
    IEN(CMT0, CMI0) = 1;    /* Interrupt enable. */
    IEN(CMT1, CMI1) = 1;        
    IEN(CMT2, CMI2) = 1;
	
} /* End of function cmt_init() */

void vInitialiseTimerForIntQueueTest( void )
{
	/* Ensure interrupts do not start until full configuration is complete. */
	portENTER_CRITICAL();
	{
		/* Cascade two 8bit timer channels to generate the interrupts. 
		8bit timer unit 1 (TMR0 and TMR1) and 8bit timer unit 2 (TMR2 and TMR3 are
		utilised for this test. */

		/* Enable the timers. */
		SYSTEM.MSTPCRA.BIT.MSTPA5 = 0;
		SYSTEM.MSTPCRA.BIT.MSTPA4 = 0;

		/* Enable compare match A interrupt request. */
		TMR0.TCR.BIT.CMIEA = 1;
		TMR2.TCR.BIT.CMIEA = 1;

		/* Clear the timer on compare match A. */
		TMR0.TCR.BIT.CCLR = 1;
		TMR2.TCR.BIT.CCLR = 1;

		/* Set the compare match value. */
		TMR01.TCORA = ( unsigned short ) ( ( ( configPERIPHERAL_CLOCK_HZ / tmrTIMER_0_1_FREQUENCY ) -1 ) / 8 );
		TMR23.TCORA = ( unsigned short ) ( ( ( configPERIPHERAL_CLOCK_HZ / tmrTIMER_0_1_FREQUENCY ) -1 ) / 8 );

		/* 16 bit operation ( count from timer 1,2 ). */
		TMR0.TCCR.BIT.CSS = 3;
		TMR2.TCCR.BIT.CSS = 3;
	
		/* Use PCLK as the input. */
		TMR1.TCCR.BIT.CSS = 1;
		TMR3.TCCR.BIT.CSS = 1;
	
		/* Divide PCLK by 8. */
		TMR1.TCCR.BIT.CKS = 2;
		TMR3.TCCR.BIT.CKS = 2;
	
		/* Enable TMR 0, 2 interrupts. */
		IEN( TMR0, CMIA0 ) = 1;
		IEN( TMR2, CMIA2 ) = 1;

		/* Set the timer interrupts to be above the kernel.  The interrupts are
		assigned different priorities so they nest with each other. */
		IPR( TMR0, CMIA0 ) = configMAX_SYSCALL_INTERRUPT_PRIORITY - 1;
		IPR( TMR2, CMIA2 ) = ( configMAX_SYSCALL_INTERRUPT_PRIORITY - 2 );
	}
	portEXIT_CRITICAL();
	
	/* Ensure the interrupts are clear as they are edge detected. */
	IR( TMR0, CMIA0 ) = 0;
	IR( TMR2, CMIA2 ) = 0;
}

void  BSP_Ser_WrByteUnlocked (CPU_INT08U c)
{
                                                                /* Enable the Transmission Complete interrupt.          */
    IEN(SCI2, TEI2)  = 1;
    SCI2.SCR.BIT.TIE = 1;                                       /* Enable Transmit Interrupts                           */

    SCI2.TDR         = c;                                       /* Place character to be transmitted into register      */

    BSP_OS_SemWait(&BSP_SerTxWait, 0);

    IEN(SCI2, TEI2)  = 0;
    SCI2.SCR.BIT.TIE = 0;                                       /* Disable Transmit Interrupts                          */
}

//#pragma interrupt (DD_PixelsLineISR(vect=VECT_MTU0_TGIB0, enable))
void DD_PixelsLineISR(void)
{
    // We have just got an interrupt to start sending out data.
    // Depending on which line we are processing changes what we do.
    if (DD_CurrentLine < (V_LINES_PULSE + V_LINES_BACK_PORCH + DD_FRAME_HEIGHT)) {
        // We are a standard line of data about to go out.
        // Determine the address of the line of pixels to send.
        // And send a single line of pixels.
        EXDMAC0.EDMSAR = (TUInt32)(DD_ActiveRegionLines.pLine);
        EXDMAC0.EDMCRB = 1;
        EXDMAC0.EDMCRA = /*(DD_FRAME_WIDTH << 16) + */DD_FRAME_WIDTH;
        EXDMAC0.EDMCNT.BIT.DTE = 1;

        // Setup for the next line to go out by moving to the next address
        DD_ActiveRegionLines.pLine += DD_ActiveRegionLines.LineNext;

        // Have we reached the last line of the frame data?
        if (DD_CurrentLine >= (V_LINES_PULSE + V_LINES_BACK_PORCH
                + DD_FRAME_HEIGHT - 1)) {
            // Yes, end of frame.  Turn back on the blank period interrupt
            // calls to DD_BlankLineISR() after making sure its interrupt flag
            // is cleared.  We'll still get one more interrupt in this
            // routine (see below)
            ICU.IR[IR_MTU0_TGIA0].BIT.IR = 0;
            //ICU.IER[IER_MTU0_TGIA0].BIT.IEN0 = 1;
			IEN(MTU0, TGIA0) = 1;
        }
    } else {
        // We have just reached the end of the frame.

        // Now keep the Data Enable line initially high and transiting to
        // high on matches.
        MTU4.TIORL.BIT.IOC = 0x6;

        // We are no longer using the bus to get data
        DD_IsBusActive = 0;

        // Turn off this interrupt (DD_PixelsLineISR) now.
        //ICU.IER[IER_MTU0_TGIB0].BIT.IEN1 = 0;
		IEN(MTU0, TGIB0) = 0;

        // Let the frame interrupt occur
        //ICU.IER[IER_MTU3_TGIC3].BIT.IEN3 = 1;
		IEN(MTU3, TGIC3) = 1;
    }

    // Next line please
    DD_CurrentLine++;
}

void rtc_init(void)
{
	/* For detailed description please refer to hardware manual */
	SYSTEM.SUBOSCCR.BIT.SUBSTOP = 0;                         /* Enable SubClock circuit */

	RTC.RCR2.BIT.START      = 0;
	while (0 != RTC.RCR2.BIT.START);
	RTC.RCR2.BIT.RESET      = 1;
	while (1 == RTC.RCR2.BIT.RESET);
	/* Set initial time and date */
	RTC.RSECCNT.BYTE        = 0;
	RTC.RMINCNT.BYTE        = 0;
	RTC.RHRCNT.BYTE         = 0;
	RTC.RDAYCNT.BYTE        = 0;
	RTC.RWKCNT.BYTE         = 0;
	RTC.RMONCNT.BYTE        = 0;
	RTC.RYRCNT.WORD         = 0x2000;
	/* Set periodic interrupt */
	RTC.RCR1.BYTE           = 0;
	RTC.RCR1.BIT.PES        = 1;                             /* Set periodic interrupts frequency to 256 Hz */
	RTC.RCR1.BIT.PIE        = 1;                             /* Enable periodic interrupts */
	_isr_vectors[VECT(RTC,PRD)] = rtc_irq_handler;
	IR(RTC,PRD)             = 0;                             /* Clear interrupt flag */
	IPR(RTC,PRD)            = 15;                            /* Set priority level */
	IEN(RTC,PRD)            = 1;                             /* Enable interrupt in ICU */
	RTC.RCR2.BIT.START      = 1;                             /* Start RTC */
	while (1 != RTC.RCR2.BIT.START);
}

int sound_start (
	WAVFIFO* fcb,	/* Pointer to the sound FIFO control structure */
	uint32_t fs		/* Sampling frequency [Hz] */
)
{
	if (fs < 8000 || fs > 48000) return 0;	/* Check fs range */

	WavFifo = fcb;			/* Register FIFO control structure */
	fcb->ri = 0; fcb->wi = 0; fcb->ct = 0;	/* Flush FIFO */

	/* Configure DAC0/DAC1 as audio output */
	MSTP_DA = 0;				/* Enable DAC0/1 power */
	DA.DADPR.BIT.DPSEL = 1;		/* DADR0/1 register left-justfied */
	DA.DACR.BYTE = 0xE0;		/* Enable DAC0/1 */

	/* Configure CMT3 as sampling interval timer */
	MSTP_CMT2 = 0;									/* Enable CMT2/3 power */
	CMT3.CMCOR = (uint16_t)(F_PCLK / 8 / fs - 1);	/* Audio sampling interval */
	CMT3.CMCNT = 0;
	IPR(CMT3, CMI3) = 9;	/* Interrupt priority = 9 */
	IEN(CMT3, CMI3) = 1;	/* Enable CMT3 compare match irq */
	CMT3.CMCR.BIT.CMIE = 1;
	CMT.CMSTR1.BIT.STR3 = 1;	/* Start CMT3 */

	return 1;
}

/****************************************************************************
 * Attach interval timer function
 *
 * The callback function is called every 1ms interval
 * @param[in] fFunction Specify callback function
 *
 * @return none
 *
 ***************************************************************************/
void attachIntervalTimerHandler(void (*fFunction)(unsigned long u32Milles))
{
    g_fITInterruptFunc = fFunction;

    startModule(MstpIdTPU0);

    // Stop the timer.
    TPUA.TSTR.BIT.CST5 = 0U;
    // Set the counter to run at the desired frequency.
    TPU5.TCR.BIT.TPSC = 0b011;
    // Set TGRA compare match to clear TCNT.
    TPU5.TCR.BIT.CCLR = 0b001;
    // Set the count to occur on rising edge of PCLK.
    TPU5.TCR.BIT.CKEG = 0b01;
    // Set Normal.
    TPU5.TMDR.BIT.MD = 0b0000;
    // Set the period.
    TPU5.TGRA = 750 - 1; //1ms setting at PCLK/64(750kHz)

    // Set the count to occur on rising edge of PCLK.
    TPU5.TSR.BIT.TGFA = 0U;

    /* Set TGI6A interrupt priority level to 5*/
    IPR(TPU5,TGI5A) = 0x5;
    /* Enable TGI6A interrupts */
    IEN(TPU5,TGI5A) = 0x1;
    /* Clear TGI6A interrupt flag */
    IR(TPU5,TGI5A) = 0x0;
    // Enable the module interrupt for the ms timer.
    TPU5.TIER.BIT.TGIEA = 1U;

    // Start the timer.
    TPUA.TSTR.BIT.CST5 = 1U;
}

void rx63nEthEnableIrq(NetInterface *interface)
{
   //Enable Ethernet MAC interrupts
   IEN(ETHER, EINT) = 1;
   //Enable Ethernet PHY interrupts
   interface->phyDriver->enableIrq(interface);
}

void rx63nEthDisableIrq(NetInterface *interface)
{
   //Disable Ethernet MAC interrupts
   IEN(ETHER, EINT) = 0;
   //Disable Ethernet PHY interrupts
   interface->phyDriver->disableIrq(interface);
}

/***********************************************************************************************************************
* Function Name: R_CMT0_Stop
* Description  : This function stops the CMT0 channel counter.
* Arguments    : None
* Return Value : None
***********************************************************************************************************************/
void R_CMT0_Stop(void)
{
    /* Disable CMI0 interrupt in ICU */
    IEN(CMT0,CMI0) = 0U;

    /* Stop CMT0 count */
    CMT.CMSTR0.BIT.STR0 = 0U;
}

/***********************************************************************************************************************
* Function Name: R_CMT0_Start
* Description  : This function starts the CMT0 channel counter.
* Arguments    : None
* Return Value : None
***********************************************************************************************************************/
void R_CMT0_Start(void)
{
    /* Enable CMI0 interrupt in ICU */
    IEN(CMT0,CMI0) = 1U;

    /* Start CMT0 count */
    CMT.CMSTR0.BIT.STR0 = 1U;
}