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问 请教：
   各位大哥，我买了块 44B0 的开发板，带音频输出，可是它给的测试代码只能在  RAM  里拨放拨放，我希望能在 flash 里拨放，各位大哥，那要代码要怎么写呢？还有 怎么把 *.wave 文件弄到 flash 里面去？

这是给的测试代码：

#include "44b.h"
#include "def.h"
#include "iis.h"
#include "utils.h"

typedef struct tWAVEFORMATEX{
    U16 wFormatTag;
    U16 nChannels;
    U32 nSamplesPerSec;
    U32 nAvgBytesPerSec;
    U16 nBlockAlign;
    U16 wBitsPerSample;
    U16 cbSize;
}WAVEFORMATEX, *LPWAVEFORMATEX;

#define    WAVE_FORMAT_PCM    0x0001

void __irq BDMA0_Done(void);

void Init_4334(void)
{
}

/****************************************************************************
Name    :      Play_SmallWave
Function:    播放1M以下的wav文件,采用DMA方式
Input    :    addr----------wav文件起始地址
            samplesize----wav文件长度
Return    :    
说明    :    
****************************************************************************/
void Play_SmallWave(U32 addr, U32 size)
{
    unsigned char *pWave;
    U32 samplesize;
    U32 save_PLLCON;

//    ChangePllValue(0x69,0x17,0x0);    //MCLK=45.1584MHz <-- 5.6448MHz*8
    save_PLLCON = rPLLCON;
    rPLLCON = (0x69<<12)|(0x17<<4)|0;
    SerialChgBaud(115200);

    pISR_BDMA0=(unsigned)BDMA0_Done;

    rINTMSK=~(BIT_GLOBAL|BIT_BDMA0);

    pWave=(unsigned char *)addr;
    pWave+=0x28;    //指向wav采样长度
    samplesize=*(pWave+0) | *(pWave+1)<<8 | *(pWave+2)<<16 | *(pWave+3)<<24;
    pWave+=4;    //指向wav数据
    samplesize=(samplesize>>1)<<1;
    printf("\nsample start:0x%x",pWave);
    printf("\nsample size:0x%x",samplesize);

    Init_4334();
    /****** IIS Initialize ******/
    rIISCON=0x22;    //Tx DMA enable,Rx idle,prescaler enable
    rIISMOD=0x89;    //Master,Tx,L-ch=low,iis,16bit ch.,codeclk=256fs,lrck=32fs
//    rIISPSR=0x11;    //Prescaler_A/B enable, value=1
    rIISPSR=0x33;    //Prescaler_A/B enable, value=3
    rIISFCON=0xa00;    //Tx/Rx DMA,Tx/Rx FIFO --> start piling....

    /****** BDMA0 Initialize ******/
    rBDISRC0=(1<<30)+(1<<28)+(U32)pWave;    //Half word,inc,pWave
    rBDIDES0=(1<<30)+(3<<28)+((U32)rIISFIF);    //M2IO,fix,IISFIF
    rBDICNT0=(1<<30)+(1<<26)+(3<<22)+(1<<21)+(0<<20)+samplesize;
    rBDICNT0 |= (1<<20);//enable
    //iis,reserve,done_int,auto-reload/start,DMA enable,COUNT
    rBDCON0 = 0x0<<2;

    printf("\nNow play the wave file ...");
    printf("\nPush any key to exit!!!");
    /****** IIS Tx Start ******/
    rIISCON |=0x1;
    while(!getkey());

    /****** IIS Tx Stop ******/
    rIISCON=0x0;    //IIS stop
    rBDICNT0=0x0;   //BDMA stop

    rINTMSK=BIT_GLOBAL;
    //ChangePllValue(136, 8, 1);//Fin=10MHz, Fout=72MHz
    rPLLCON = save_PLLCON;
    SerialChgBaud(115200);
}

void __irq BDMA0_Done(void)
{
    rI_ISPC=BIT_BDMA0;    //clear pending bit
    WrUTXH0('#');
}

/****************************************************************************
Name    :      Play_BigWave
Function:    播放1M以上的wav文件,采用normal方式
Input    :    addr----------wav文件起始地址
            samplesize----wav文件长度
Return    :    
说明    :    
****************************************************************************/
void Play_BigWave(U32 addr, U32 size)
{
    int i;
    unsigned char *pWave;
    unsigned short *pSteroWave;
    U32 samplesize,start;
    U32 save_PLLCON;
    LPWAVEFORMATEX pWav;
    
    if(!download_len)
        return;
       
    pWav = (LPWAVEFORMATEX)(addr+0x14);
    if(pWav->wFormatTag!=WAVE_FORMAT_PCM) {
        puts("Supported PCM format only\n");
        return;
    }
    if(pWav->nChannels!=2) {
        puts("Support stereo wave only\n");
        return;
    }    
    printf("Sample rate =%dHz\n", pWav->nSamplesPerSec);
    
     //    ChangePllValue(0x69,0x17,0x0);    //MCLK=45.1584MHz <-- 5.6448MHz*8
    save_PLLCON = rPLLCON;
    rPLLCON = (0x69<<12)|(0x17<<4)|0;
    SerialChgBaud(115200);

    pWave=(unsigned char *)addr;
    pWave+=0x28;    //指向wav采样长度
    samplesize=*(pWave+0) | *(pWave+1)<<8 | *(pWave+2)<<16 | *(pWave+3)<<24;
    pWave+=4;
    start=(U32)(unsigned char *)pWave;    //指向wav数据
    pSteroWave=(U16 *)start;
    samplesize=(samplesize>>1)<<1;
    printf("\nsample start:0x%x",pWave);
    printf("\nsample size:0x%x",samplesize);

    Init_4334();
    /****** IIS Initialize ******/
    rIISCON=0x02;    //Tx DMA disable,Rx idle,prescaler enable
    rIISMOD=0x89;    //Master,Tx,L-ch=low,iis,16bit ch.,codeclk=256fs,lrck=32fs
//    rIISPSR=0x11;    //Prescaler_A/B enable, value=1
    rIISPSR=0x33;    //Prescaler_A/B enable, value=3
    rIISFCON=0x200;    //Tx/Rx normal,Tx FIFO enable--> start piling....

    printf("\nNow play the wave file ...");
    printf("\nPush ESC key to exit!!!");
    /****** IIS Tx Start ******/
    rIISCON |=0x1;
    while(getkey()!=ESC_KEY)
    {
        if(IIS_FIFOREADY)
        {
            for(i=0;i<8;i++)
            {
                *rIISFIF = *pSteroWave++;
//                printf("\n0x%x:0x%x",pSteroWave,*pSteroWave);
            }
                
            if( ((U32)pSteroWave-start) > samplesize )
            {
//                printf("\n0x%x-0x%x=0x%x:0x%x",pSteroWave,start,((U32)pSteroWave-start),samplesize);
                pSteroWave=(U16 *)start;
                WrUTXH0('#');
            }
        }
    }

    /****** IIS Tx Stop ******/
    rIISCON=0x0;    //IIS stop

    SerialTxEmpty();
    rPLLCON = save_PLLCON;
    //ChangePllValue(0x2a,0x3,0x1);//Fin=10MHz, Fout=50MHz
    SerialChgBaud(115200);
}

void IISMain(void)
{
    Play_BigWave(download_addr, download_len);
}

需要怎么修改啊？

谢谢！ 答 1: 期待！ 答 2: 找一下我的贴子找一下我的贴子, 标题里有一个"郁闷"

C语言中这样引用:
extern int welcome;

    wave_play(&welcome);

wav文件使用汇编包含, 例如welcome.s

    AREA wave, data, readonly
welcome
    incbin welcome.wav

    end