davincievm_aic33_write32.c

来自「TI的DM6446的硬件平台搭建的相关例子」· C语言 代码 · 共 42 行

/*
 *  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_write32( aic33handle, value )                          *
 *                                                                          *
 *      Write a 32-bit value to the codec                                   *
 *                                                                          *
 * ------------------------------------------------------------------------ */
Int16 DAVINCIEVM_AIC33_write32( AIC33_CodecHandle aic33handle, Int32 value )
{
    #ifdef ARM_SIDE

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

        CSL_mcbspWrite( mcbsp_handle, CSL_MCBSP_WORDLEN_32, &value );
        return 1;

    #elif DSP_SIDE

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

        MCBSP_DXR_32BIT = value;                        // Write 32-bits
        return 1;

    #endif
}