C++ (Cpp) MCSPI_INT_RX_FULL Examples

Example #1

File: mcspiFlash.c Project: OS-Project/Divers

/*
** This function will activate/deactivate CS line and also enable Tx and Rx
** interrupts of McSPI peripheral.
*/
static void McSPITransfer(void)
{
    p_tx = txBuffer;
    p_rx = rxBuffer;

    /* SPIEN line is forced to low state.*/
    McSPICSAssert(SOC_SPI_0_REGS, chNum);

    /* Enable the Tx/Rx interrupts of McSPI.*/
    McSPIIntEnable(SOC_SPI_0_REGS, MCSPI_INT_TX_EMPTY(chNum) | 
                   MCSPI_INT_RX_FULL(chNum));

    /* Enable the McSPI channel for communication.*/
    McSPIChannelEnable(SOC_SPI_0_REGS, chNum);

    /* Wait until control returns back from McSPI ISR.*/
    while(flag);

    flag = 1;

    /* Force SPIEN line to the inactive state.*/
    McSPICSDeAssert(SOC_SPI_0_REGS, chNum);

    /* Disable the McSPI channel.*/
    McSPIChannelDisable(SOC_SPI_0_REGS, chNum);
}

Example #2

File: mcspiFlash.c Project: OS-Project/Divers

/*
** McSPI Interrupt Service Routine. This function will clear the status of the
** Tx/Rx interrupts when generated. Will write the Tx data on transmit data
** register and also will put the received data from receive data register to
** a location in memory.
*/
static void McSPIIsr(void)
{
    unsigned int intCode = 0;

    intCode = McSPIIntStatusGet(SOC_SPI_0_REGS);

    while(intCode)
    {
        if(MCSPI_INT_TX_EMPTY(chNum) == (intCode & MCSPI_INT_TX_EMPTY(chNum)))
        {
            McSPIIntStatusClear(SOC_SPI_0_REGS, MCSPI_INT_TX_EMPTY(chNum));

            length--;

            McSPITransmitData(SOC_SPI_0_REGS,(unsigned int)(*p_tx++), chNum);

            if(!length)
            {
                McSPIIntDisable(SOC_SPI_0_REGS, MCSPI_INT_TX_EMPTY(chNum));

                McSPIIntStatusClear(SOC_SPI_0_REGS, MCSPI_INT_TX_EMPTY(chNum));
            }
        }

        if(MCSPI_INT_RX_FULL(chNum) == (intCode & MCSPI_INT_RX_FULL(chNum)))
        {
            McSPIIntStatusClear(SOC_SPI_0_REGS, MCSPI_INT_RX_FULL(chNum));

            *p_rx++ = (unsigned char) McSPIReceiveData(SOC_SPI_0_REGS, chNum);

            if(!(length))
            {
                McSPIIntDisable(SOC_SPI_0_REGS, MCSPI_INT_RX_FULL(chNum));

                flag = 0;
            }
        }

        intCode = McSPIIntStatusGet(SOC_SPI_0_REGS);
    }
}

Example #3

File: mcspi_interface.c Project: Rainaldo/mSdk

/*
** This function will activate/deactivate CS line and also enable Tx and Rx
** interrupts of McSPI peripheral.
*/
void _mcspi_transfer(Mcspi_t *McspiStruct)
{
	McspiStruct->BuffTmp = McspiStruct->Buff;
	/* SPIEN line is forced to low state.*/
    McSPICSAssert(McspiStruct->BaseAddr, McspiStruct->Channel);

    /* Enable the Tx/Rx interrupts of McSPI.*/
    McSPIIntEnable(McspiStruct->BaseAddr, MCSPI_INT_TX_EMPTY(McspiStruct->Channel) |
                   MCSPI_INT_RX_FULL(McspiStruct->Channel));

    /* Enable the McSPI channel for communication.*/
    McSPIChannelEnable(McspiStruct->BaseAddr, McspiStruct->Channel);

    /* Wait until control returns back from McSPI ISR.*/
    while(McspiStruct->flag);

    McspiStruct->flag = 1;

    /* Force SPIEN line to the inactive state.*/
    McSPICSDeAssert(McspiStruct->BaseAddr, McspiStruct->Channel);

    /* Disable the McSPI channel.*/
    McSPIChannelDisable(McspiStruct->BaseAddr, McspiStruct->Channel);
}