C++ (Cpp) McASPTxSerActivate Examples

Example #1

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

/*
** Activates the data transmission/reception
** The DMA parameters shall be ready before calling this function.
*/
static void AudioTxActivate(void)
{
    /* Start the clocks */
    McASPTxClkStart(MCASP_INST_BASE, MCASP_TX_CLK_EXTERNAL);

    /* Enable EDMA for the transfer */
    EDMA3EnableTransfer(EDMA_INST_BASE, EDMA_CHANNEL_IN_USE,
                        EDMA3_TRIG_MODE_EVENT);

    /* Activate the  serializers */
    McASPTxSerActivate(MCASP_INST_BASE);

    /* Activate the state machines */
    McASPTxEnable(MCASP_INST_BASE);
}

Example #2

File: Main_code_4_6_14_v4.c Project: BuckeyeVerb/BuckeyeVerb

/*
** Activates the data transmission/reception
** The DMA parameters shall be ready before calling this function.
*/
static void I2SDataTxRxActivate(void)
{
    /* Start the clocks */
    McASPRxClkStart(SOC_MCASP_0_CTRL_REGS, MCASP_RX_CLK_EXTERNAL);
    McASPTxClkStart(SOC_MCASP_0_CTRL_REGS, MCASP_TX_CLK_EXTERNAL);

    /* Enable EDMA for the transfer */
    EDMA3EnableTransfer(SOC_EDMA30CC_0_REGS, EDMA3_CHA_MCASP0_RX,
                        EDMA3_TRIG_MODE_EVENT);
    EDMA3EnableTransfer(SOC_EDMA30CC_0_REGS,
                        EDMA3_CHA_MCASP0_TX, EDMA3_TRIG_MODE_EVENT);

    /* Activate the  serializers */
    McASPRxSerActivate(SOC_MCASP_0_CTRL_REGS);
    McASPTxSerActivate(SOC_MCASP_0_CTRL_REGS);

    /* make sure that the XDATA bit is cleared to zero */
    while(McASPTxStatusGet(SOC_MCASP_0_CTRL_REGS) & MCASP_TX_STAT_DATAREADY);

    /* Activate the state machines */
    McASPRxEnable(SOC_MCASP_0_CTRL_REGS);
    McASPTxEnable(SOC_MCASP_0_CTRL_REGS);
}