原创 ISD1700语音芯片SPI使用总结(三)

附：MAIN.C

void ISD_Reset(void)

{

        ISD_SendByte(CMD_1760_RESET);

        ISD_SendByte(0x00);

        sbnISD_SS=1;

//         DelayX1ms(10);

}

void  ISD_PU(void)

{

        ISD_SendByte(CMD_1760_PU|0x10);

        ISD_SendByte(0x00);

        sbnISD_SS=1;

           DelayX1ms(50);

}

void ISD_Rd_Status(void)

{

        ISD_SendByte(CMD_1760_RD_STATUS);

        ISD_SendByte(0x00);

        ISD_SendByte(0x00);

        sbnISD_SS=1;

//       DelayX1ms(10);              

        SR0_L           =ISD_SendByte(CMD_1760_RD_STATUS);

        SR0_H        =ISD_SendByte(0x00);

        SR1          =ISD_SendByte(0x00);

        sbnISD_SS=1;

//      DelayX1ms(10);

}

void ISD_ClrInt(void)

{

        ISD_SendByte(CMD_1760_CLI_INT);

        ISD_SendByte(0x00);

        sbnISD_SS=1;

//        DelayX1ms(10);              

}

void ISD_CHK_MEM(void)

{

        ISD_SendByte(CMD_1760_CHK_MEM);

        ISD_SendByte(0x00);

        sbnISD_SS=1;

//        DelayX1ms(10);

}

void ISD_WR_APC2(BYTE Volume)

{

              ISD_SendByte(CMD_1760_WR_APC2);

        ISD_SendByte(Volume);                 //后3位为音量

        ISD_SendByte(0x04);                 //0x04 EOM="0",VALERT=1 ，0x 0C EOM="1"

              sbnISD_SS=1;

        DelayX1ms(10);                      

        ISD_WR_NVCFG(); //永久写入寄存器 //此程序正在放音要调整音量时不要添加！！

}

void ISD_WR_NVCFG(void)

{

        ISD_SendByte(CMD_1760_WR_NVCFG);

        ISD_SendByte(0x00);

        sbnISD_SS=1;

        DelayX1ms(10);              

}

void ISD_RDAPC(void)

{

        ISD_SendByte(CMD_1760_RD_APC);

        ISD_SendByte(0x00);

        ISD_SendByte(0x00);

        ISD_SendByte(0x00);

        sbnISD_SS=1;

        DelayX1ms(10);              

        SR0_L        =ISD_SendByte(CMD_1760_RD_APC);

        SR0_H        =ISD_SendByte(0x00);

        APCL         =ISD_SendByte(0x00);

        APCH         =ISD_SendByte(0x00);

        sbnISD_SS=1;

        DelayX1ms(10);               

}

void ISD_PD(void)

{

        ISD_SendByte(CMD_1760_PD);

        ISD_SendByte(0x00);

        sbnISD_SS=1;

//            DelayX1ms(5);

}

BYTE ISD_SendByte(BYTE BUF_ISD)

{

        BYTE i;

              BYTE dat="BUF"_ISD;

        sbISD_SCLK=1;

        sbnISD_SS=0;

        for(i=0;i<8;i++)

              {

                sbISD_SCLK=0;

                _nop_();

                            _nop_();

                if(dat&0x01)

                            {

                        sbISD_MOSI=1;

                }

                else

                            {

                        sbISD_MOSI=0;

                }

                dat>>=1;

                if(sbISD_MISO==1)

                            {

                        dat|=0x80;

                }

                sbISD_SCLK=1;

                _nop_();

                            _nop_();

        }

        sbISD_MOSI=0;

              _nop_();

        return(dat);

}

BYTE ISD_RDDevID(void)

{

        ISD_SendByte(CMD_1760_RD_DEVID);

        ISD_SendByte(0x00);

        ISD_SendByte(0x00);

        sbnISD_SS=1;

        DelayX1ms(10);              

        SR0_L        =ISD_SendByte(CMD_1760_RD_DEVID);

        SR0_H        =ISD_SendByte(0x00);

        ID           =ISD_SendByte(0x00);

        sbnISD_SS=1;

        DelayX1ms(10);

        return(ID);

}

void   ISD_Init(void)

{

       ISD_Reset();

        ISD_PU();                                        //上电指令

          DelayX1ms(50);

//      SBUF="ISD"_RDDevID();                      //读取芯片ID,----1760为0xA0

        ISD_ClrInt();

        ISD_CHK_MEM();        //检查环状存储器存储地址是否首尾相连

                                                        //改变1700内部存储单元或是内部寄存器的指令前，

                                                        //都要加上这个指令。

        ISD_WR_APC2(Volume);//写APC寄存器，后3位为音量，此设为最大,0xA7为最小   F0

              DelayX1ms(50);

//        ISD_RDAPC();                        //读APC寄存器

//          DelayX1ms(25);

}

void ISD_GetToneAdd(BYTE cNum, WORD * ipStartAdd, WORD * ipEndAdd)

{

        *ipStartAdd=aSpeech_Addr[cNum * 2];

        *ipEndAdd=aSpeech_Addr[cNum * 2 + 1];

}

void ISD_SetPLAY(BYTE cNum)

{

        WORD Add_ST, Add_ED;

        BYTE Add_ST_H, Add_ST_L, Add_ED_H, Add_ED_L;

//            ISD_Init();                                                                 //初始化

//            ISD_PU();

//      ISD_ClrInt();                                                           //清中断

        ISD_GetToneAdd(cNum, &Add_ST, &Add_ED);      //取出当前语音的首末地址

        Add_ST_L=(BYTE)(Add_ST&0x00ff);

        Add_ST_H=(BYTE)((Add_ST>>8)&0x00ff);

        Add_ED_L=(BYTE)(Add_ED&0x00ff);

        Add_ED_H=(BYTE)((Add_ED>>8)&0x00ff);

        ISD_SendByte(CMD_1760_SET_PLAY);                  //发送放音指令

        ISD_SendByte(0x00);

        ISD_SendByte(Add_ST_L);                         //S7:S0  开始地址

        ISD_SendByte(Add_ST_H);                               //S10:S8

        ISD_SendByte(Add_ED_L);                               //E7:E0  结束地址

        ISD_SendByte(Add_ED_H);                              //E10:E8

        ISD_SendByte(0x00);

        sbnISD_SS=1;