davincievm_aic33_write16.c

TI的DM6446的硬件平台搭建的相关例子

/*
 *  Copyright 2005 by Spectrum Digital Incorporated.
 *  All rights reserved. Property of Spectrum Digital Incorporated.
 *
 *  Not for distribution.
 */

/*
 *  AIC33 implementation
 *
 */

#include "davincievm_aic33.h"

/* ------------------------------------------------------------------------ *
 *                                                                          *
 *  DAVINCIEVM_AIC33_write16( aic33handle, value )                          *
 *                                                                          *
 *      Write a 16-bit value to the codec                                   *
 *                                                                          *
 * ------------------------------------------------------------------------ */
Int16 DAVINCIEVM_AIC33_write16( AIC33_CodecHandle aic33handle, Int16 value )
{
    #ifdef ARM_SIDE

//        if ( ( MCBSP_SPCR & MCBSP_SPCR_XRDY ) == 0 )    // Check for Tx ready
//            return 0;

        CSL_mcbspWrite( mcbsp_handle, CSL_MCBSP_WORDLEN_16, &value );
        return 1;

    #elif DSP_SIDE

        if ( ( MCBSP_SPCR & MCBSP_SPCR_XRDY ) == 0 )    // Check for Tx ready
            return 0;

        MCBSP_DXR_16BIT = value;                        // Write 16-bits
        return 1;

    #endif
}