mst705Ȧ

MST705源代码

#ifndef __DSP_RW_H
#define __DSP_RW_H

#include "dsp_maria.h"

//#include "typedef.h"

#define msRegs  ((unsigned char volatile pdata *)0x0000)
#define msWriteByte(adr,val)    (msRegs[(adr)]=(val))
#define msReadByte(adr)         (msRegs[(adr)])

#define DSP_RW_USE_FUNCTION
#ifdef DSP_RW_USE_FUNCTION

BYTE msReadDspReg(BYTE ucAdr);
void msWriteDspReg(BYTE ucAdr, BYTE ucData);
WORD msReadDspRegW(BYTE ucAdr);
void msWriteDspRegW(BYTE ucAdr, WORD wData);

#define mReadDspReg(Adr, Data)      { Data=msReadDspReg(Adr);       }
#define mWriteDspReg(Adr, Data)     { msWriteDspReg(Adr, Data);     }
//#define mReadDspRegW(Adr, Data)      { Data.w=msReadDspRegW(Adr); }
#define mWriteDspRegW(Adr, Data)    { msWriteDspRegW(Adr, Data);    }

BYTE msReadDspReg_Int(BYTE ucAdr);
void msWriteDspReg_Int(BYTE ucAdr, BYTE ucData);
WORD msReadDspRegW_Int(BYTE ucAdr);
#define mReadDspReg_Int(Adr, Data)  { Data=msReadDspReg_Int(Adr);   }
#define mWriteDspReg_Int(Adr, Data) { msWriteDspReg_Int(Adr, Data); }
#define mReadDspRegW_Int(Adr, Data) { Data.w=msReadDspRegW_Int(Adr);}

#else

#define mReadDspReg(Adr, Data)       {\
    msWriteByte( 0x07, Adr );\
    Data=msReadByte(0x09);\
}
#define mWriteDspReg(Adr, Data)      {\
    msWriteByte( 0x07, Adr );\
    msWriteByte( 0x08, Data );\
}
#define mReadDspRegW(Adr, Data)      {\
    mReadDspReg( Adr, Data.b[1] );\
    mReadDspReg( Adr+1, Data.b[0] );\
}
#define mWriteDspRegW(Adr, Data)     {\
    mWriteDspReg(Adr, Data);\
    mWriteDspReg(Adr+1, Data>>8);\
}

#endif

#endif