Пример #1
0
	void initSystem(void)
	{
		initClock();
		setMcuFlashDataCacheEn(true);
		setMcuFlashInstCacheEn(true);
		initSdram();
		initLtdc();
	}
/**
 *  \brief  Audio Class intialization function
 *
 *  \param  None
 *
 *  \return None
 */
void CSL_acTest(void)
{
    I2sInitPrms i2sInitPrms;
    CSL_UsbConfig usbConfig;
    PSP_Result result;
    Int16 status;
    HWI_Attrs attrs;


    LOG_printf(&trace, "USB ISO FULL SPEED MODE\n");

    /* Initialize audio module */
    result = AIC3254_init();
    if(result != 0)
    {
        LOG_printf(&trace, "ERROR: Unable to configure audio codec");
    }
    else
    {
#if !defined(SAMPLE_BY_SAMPLE_PB) || !defined(SAMPLE_BY_SAMPLE_REC)
        DMA_HwInit();
        DMA_DrvInit();
#endif

        /* Initialize I2S and associated DMA channels for Playback and Record */
        i2sInitPrms.enablePlayback = TRUE;
        i2sInitPrms.enableStereoPb = TRUE;
#ifdef SAMPLE_BY_SAMPLE_PB
        i2sInitPrms.sampleBySamplePb = TRUE;
#else /* Configuration untested since ASRC only works with I2S in sample-by-sample mode */
        i2sInitPrms.sampleBySamplePb = FALSE;
        i2sInitPrms.enableDmaPingPongPb = FALSE;
        i2sInitPrms.pingI2sTxLeftBuf = ping_i2sTxLeftBuf;
        i2sInitPrms.pongI2sTxLeftBuf = pong_i2sTxLeftBuf;
        i2sInitPrms.pingI2sTxRightBuf = ping_i2sTxRightBuf;
        i2sInitPrms.pongI2sTxRightBuf = pong_i2sTxRightBuf;
        i2sInitPrms.zeroBuf = ZeroBuf;
#endif
        i2sInitPrms.i2sPb = PSP_I2S_TX_INST_ID;
        i2sInitPrms.enableRecord = TRUE;
        i2sInitPrms.enableStereoRec = FALSE;
#ifdef SAMPLE_BY_SAMPLE_REC
        i2sInitPrms.sampleBySampleRec = TRUE;
#else
        i2sInitPrms.sampleBySampleRec = FALSE;
        i2sInitPrms.enableDmaPingPongRec = TRUE;
        i2sInitPrms.pingI2sRxLeftBuf = (Int16 *)ping_pong_i2sRxLeftBuf;
        i2sInitPrms.pongI2sRxLeftBuf = NULL;
        i2sInitPrms.pingI2sRxRightBuf = (Int16 *)ping_pong_i2sRxRightBuf;
        i2sInitPrms.pongI2sRxRightBuf = NULL;
#endif
        i2sInitPrms.i2sRec = PSP_I2S_RX_INST_ID;
        status = i2sInit(&i2sInitPrms);
        if (status != I2SSAMPLE_SOK)
        {
            LOG_printf(&trace, "ERROR: Unable to initialize I2S");
        }

#ifdef C5535_EZDSP_DEMO
		// initialize the OLED display        
        oled_init();
#endif
        
        /* Initialising the Pointer to the Audio Class Handle to the Buffer Allocated */
        AC_AppHandle.pAcObj = &ACAppBuffer[0];

        usbConfig.devNum                = CSL_USB0;
        usbConfig.opMode                = CSL_USB_OPMODE_POLLED;
#ifdef APP_USB_SELF_POWERED
        usbConfig.selfPowered           = TRUE;
#else
        usbConfig.selfPowered           = FALSE;
#endif
        usbConfig.maxCurrent            = APP_USB_MAX_CURRENT;
        usbConfig.appSuspendCallBack    = (CSL_USB_APP_CALLBACK)CSL_suspendCallBack;
        usbConfig.appWakeupCallBack     = (CSL_USB_APP_CALLBACK)CSL_selfWakeupCallBack;
        usbConfig.startTransferCallback  = StartTransfer;
        usbConfig.completeTransferCallback = CompleteTransfer;

        USB_init(&usbConfig);

        USB_setFullSpeedMode(0x40); /* parameter is EP0 data size in bytes */

        USB_resetDev(CSL_USB0);

        /* Calling init routine */
        /* Giving all the table hanldes and the buffers to the Audio Class module */
        AC_AppHandle.strDescrApp = (char **)&string_descriptor[0];
        AC_AppHandle.lbaBufferPbApp = &lbaBufferPbApp[0];
        AC_AppHandle.lbaBufferRecApp = &lbaBufferRecApp[0];
        AC_AppHandle.lbaBufferHidReportApp = &lbaBufferHidReportApp[0];
        AC_AppHandle.acReqTableApp = USB_ReqTable;
        AC_AppHandle.pId = pId;
        AC_AppHandle.vId = vId;

#ifndef ENABLE_PLAYBACK_TWO_SAMPLE_RATES
        #ifdef SAMPLE_RATE_TX_48kHz
        LOG_printf(&trace, "PLAYBACK: 48KHZ ");
        #ifdef ENABLE_STEREO_PLAYBACK
        LOG_printf(&trace, "STEREO\n");
        AC_AppHandle.rxPktSize = EP_PB_MAXP; // max packet size for 48K stereo
        #else // ENABLE_STEREO_PLAYBACK
        LOG_printf(&trace, "MONO\n");
        AC_AppHandle.rxPktSize = 0x60; // max packet size for 48K mono
        #endif // ENABLE_STEREO_PLAYBACK
        #endif // SAMPLE_RATE_TX_48kHz

        #ifdef SAMPLE_RATE_TX_44_1kHz
        LOG_printf(&trace, "PLAYBACK: 44.1KHZ ");
        #ifdef ENABLE_STEREO_PLAYBACK
        LOG_printf(&trace, "STEREO\n");
        AC_AppHandle.rxPktSize = 0xB0; // max packet size for 44.1 stereo
        #else // ENABLE_STEREO_PLAYBACK
        LOG_printf(&trace, "MONO\n");
        AC_AppHandle.rxPktSize = 0x58; // max packet size for 44.1 mono
        #endif // ENABLE_STEREO_PLAYBACK
        #endif // SAMPLE_RATE_TX_44_1kHz

        #ifdef SAMPLE_RATE_TX_32kHz
        LOG_printf(&trace, "PLAYBACK: 32KHZ ");
        #ifdef ENABLE_STEREO_PLAYBACK
        LOG_printf(&trace, "STEREO\n");
        AC_AppHandle.rxPktSize = 0x80; // max packet size for 32K stereo
        #else // ENABLE_STEREO_PLAYBACK
        LOG_printf(&trace, "MONO\n");
        AC_AppHandle.rxPktSize = 0x40; // max packet size for 32K mono
        #endif // ENABLE_STEREO_PLAYBACK
        #endif // SAMPLE_RATE_TX_32kHz

        #ifdef SAMPLE_RATE_TX_16kHz
        LOG_printf(&trace, "PLAYBACK: 16KHZ ");
        #ifdef ENABLE_STEREO_PLAYBACK
        LOG_printf(&trace, "STEREO\n");
        AC_AppHandle.rxPktSize = RX_PKT_SIZE_16K_PLAYBACK_STEREO; // max packet size for 16K stereo
        rx_pkt_size_16K_playback = RX_PKT_SIZE_16K_PLAYBACK_STEREO; // max packet size for 16K stereo
        #else // ENABLE_STEREO_PLAYBACK
        LOG_printf(&trace, "MONO\n");
        AC_AppHandle.rxPktSize = RX_PKT_SIZE_16K_PLAYBACK_MONO; // max packet size for 16K mono
        rx_pkt_size_16K_playback = RX_PKT_SIZE_16K_PLAYBACK_MONO;  // max packet size for 16K mono
        #endif // ENABLE_STEREO_PLAYBACK
        #endif // SAMPLE_RATE_TX_16kHz

#else /* ENABLE_PLAYBACK_TWO_SAMPLE_RATES */
        LOG_printf(&trace, "PLAYBACK: 48KHZ ");
        #ifdef ENABLE_STEREO_PLAYBACK
        LOG_printf(&trace, "STEREO\n");
        AC_AppHandle.rxPktSize = EP_PB_MAXP; // max packet size for 48K stereo
        #else // ENABLE_STEREO_PLAYBACK
        LOG_printf(&trace, "MONO\n");
        AC_AppHandle.rxPktSize = 0x60; // max packet size for 48K mono
        #endif // ENABLE_STEREO_PLAYBACK

        LOG_printf(&trace, "PLAYBACK: 16KHZ ");
        #ifdef ENABLE_STEREO_PLAYBACK
        rx_pkt_size_16K_playback = RX_PKT_SIZE_16K_PLAYBACK_STEREO; // max packet size for 16K stereo
        LOG_printf(&trace, "STEREO\n");
        #else // ENABLE_STEREO_PLAYBACK
        rx_pkt_size_16K_playback = RX_PKT_SIZE_16K_PLAYBACK_MONO;  // max packet size for 16K mono
        LOG_printf(&trace, "MONO\n");
        #endif // ENABLE_STEREO_PLAYBACK
#endif /* ENABLE_PLAYBACK_TWO_SAMPLE_RATES */

        AC_AppHandle.txPktSize = EP_REC_MAXP; // max packet size for 16K mono
        AC_AppHandle.hidTxPktSize = EP_HID_MAXP; // max packet size for HID output report

        /* All Function Handlers need to be Initialised */
        AC_AppHandle.playAudioApp = appPlayAudio;
        AC_AppHandle.recordAudioApp = appRecordAudio;
        AC_AppHandle.initPlayAudioApp = appInitPlayAudio;
        AC_AppHandle.initRecordAudioApp = appInitRecordAudio;
        AC_AppHandle.stopPlayAudioApp = appStopPlayAudio;
        AC_AppHandle.stopRecordAudioApp = appStopRecordAudio;
        AC_AppHandle.mediaGetPresentStateApp = AppGetMediaStatus;
        AC_AppHandle.mediaInitApp = AppMediaInit;
        AC_AppHandle.mediaEjectApp = AppMediaEject;
        AC_AppHandle.mediaLockUnitApp = AppLockMedia;
        AC_AppHandle.getMediaSizeApp = AppGetMediaSize;
        AC_AppHandle.getHidReportApp = appGetHidReport;
        AC_AppHandle.ctrlHandler  = appCtrlFxn;
        AC_AppHandle.isoHandler   = appIsoFxn;
        AC_AppHandle.hidHandler = appHidFxn;

        AC_AppHandle.numLun = 2;

        /* Initialize End point descriptors */
        AC_initDescriptors(AC_AppHandle.pAcObj, (Uint16 *)deviceDescriptorB,
                            CSL_AC_DEVICE_DESCR, sizeof(deviceDescriptorB));

        AC_initDescriptors(AC_AppHandle.pAcObj, (Uint16 *)deviceQualifierDescr,
                            CSL_AC_DEVICE_QUAL_DESCR, 10);

        AC_initDescriptors(AC_AppHandle.pAcObj, (Uint16 *)configDescriptor,
                            CSL_AC_CONFIG_DESCR, sizeof(configDescriptor));

        AC_initDescriptors(AC_AppHandle.pAcObj, (Uint16 *)stringLanId,
                            CSL_AC_STRING_LANGID_DESC, 6);

        AC_initDescriptors(AC_AppHandle.pAcObj, (Uint16 *)acHidReportDescriptor,
                            CSL_AC_HID_REPORT_DESC, sizeof(acHidReportDescriptor));

        /* Initialize HID */
        AC_AppHandle.acHidIfNum = IF_NUM_HID; // HID interface number
        AC_AppHandle.acHidReportId = HID_REPORT_ID; // HID report ID
        AC_AppHandle.acHidReportLen = HID_REPORT_SIZE_BYTES; // HID report length (bytes)
        genHidReport(UI_PUSH_BUTTON_NONE, gHidReport); // init. HID report for Get Report 

        /* Call Init API */
        AC_Open(&AC_AppHandle);

        /* Enable CPU USB interrupts */
        CSL_FINST(CSL_CPU_REGS->IER1, CPU_IER1_USB, ENABLE);

        /* Initialize active sample rate */
        initSampleRate(RATE_48_KHZ, &active_sample_rate, 
            &i2sTxBuffSz);

        /* Initialize ASRC */ 
        Init_Sample_Rate_Converter(active_sample_rate);

        /* Reset codec output buffer */
        reset_codec_output_buffer();

        #ifdef ENABLE_RECORD
        #ifdef SAMPLE_RATE_RX_48kHz
        LOG_printf(&trace, "RECORD: 48KHZ ");
        #else
        LOG_printf(&trace, "RECORD: 16KHZ ");
        #endif // SAMPLE_RATE_RX_48kHz
        // start the rx DMAs
        DMA_StartTransfer(hDmaRxLeft);

        #ifdef ENABLE_STEREO_RECORD
        LOG_printf(&trace, "STEREO  NOT SUPPORTED - RECORD WILL BE MONO\n");
        DMA_StartTransfer(hDmaRxRight);
         #else
        LOG_printf(&trace, "MONO\n");
        #endif

        #endif // ENABLE_RECORD

#ifdef STORE_PARAMETERS_TO_SDRAM
        initSdram(FALSE, 0x0000);
#endif // STORE_PARAMETERS_TO_SDRAM
#ifdef SAMPLE_BY_SAMPLE_PB
        /* SampleBySample, init interrupt */       
        /* Use with compiler "interrupt" keyword */
        //IRQ_plug(I2S_TX_EVENT, i2s_txIsr);
        
        /* Use with dispatcher, no "interrupt" keyword */
        attrs.ier0mask = 0xFFFF;
        attrs.ier1mask = 0xFFFF;
        HWI_dispatchPlug(I2S_TX_EVENT, (Fxn)i2s_txIsr, &attrs);

        IRQ_enable(I2S_TX_EVENT);   /* SampleBySample, enable IRQ for I2S Tx */
#endif
#if defined(SAMPLE_BY_SAMPLE_REC) && !defined(COMBINE_I2S_TX_RX_ISR)
        /* SampleBySample, init interrupt */
        /* Use with compiler "interrupt" keyword */
        IRQ_plug(I2S_RX_EVENT, i2s_rxIsr);
        
        /* Use with dispatcher, no "interrupt" keyword */
        //attrs.ier0mask = 0xFFFF;
        //attrs.ier1mask = 0xFFFF;
        //HWI_dispatchPlug(I2S_RX_EVENT, (Fxn)i2s_rxIsr, &attrs);

        IRQ_enable(I2S_RX_EVENT);    /* SampleBySample, enable IRQ for I2S Rx */
#endif
#if defined(SAMPLE_BY_SAMPLE_PB) || defined(SAMPLE_BY_SAMLE_REC)
        DDC_I2S_transEnable((DDC_I2SHandle)i2sHandleTx, TRUE);    /* SampleBySample, enable I2S transmit and receive */
#endif
#ifndef SAMPLE_BY_SAMPLE_PB
        i2sTxStart(); // - moved from appPlayAudio()
#endif

#ifdef C5535_EZDSP_DEMO
        // clock gating usused peripherals
		ClockGating();
#endif
    }
}