isd系列语音控制芯片代码实例.doc

/ISD4004 DRIVER #includemcu-define.h #includedelay.h #includeisd4004.h sbit ISD4XXX_SCLK=P36; sbit ISD4XXX_MISO =P34; sbit ISD4XXX_MOSI =P35; sbit ISD4XXX_SS =P37; /ISD4004 命令码 /* 指令 8位控制码，16位地址码 操作摘 要 POWERUP 00100xxx（xxxxxxxxxxxxxxxx） 上电：等待TPUD后器件可以 工作 SET PLAY 11100xxx（A15A0） 从指令地址开始放音，须后 跟PLAY指令，使放音继续 PLAY 11110xxx（xxxxxxxxxxxxxxx） 从当前地址开始放音（直至 EOM或OVF） SET REC 10110xxx（A15A0） 从指定地址开始录 音，须后跟REC指令，使录音继续 REC 110110（xxxxxxxxxxxxxxx） 从当前地址开始录 音（直至OVF或停止） SET MC 11101xxx（A15A0） 从指定地址开始快 进，须后跟MC指令，使快进继续 MC 11111xxx（xxxxxxxxxxxxxxx） 执行快进，直到 EOM，若再无信息，则进入OVF状态 STOP 0x110xxx（xxxxxxxxxxxxxxx） 停止当前操作 STOP PWRDN 0X01Xxxx（xxxxxxxxxxxxxxx） 停止当前的操作并掉电 RINT 0X110xxx（xxxxxxxxxxxxxxxx） 读状态；OVF和EOM */ #define ISD4XXX_POWER_UP 0x20 #define ISD4XXX_SET_PLAY 0xe0 #define ISD4XXX_PLAY 0xf0 #define ISD4XXX_SET_REC 0xb0 #define ISD4XXX_REC 0xd8 #define ISD4XXX_SET_MC 0xe8 #define ISD4XXX_MC 0xf8 #define ISD4XXX_STOP 0x30 #define ISD4XXX_STOP_PWRDN 0x10 #define ISD4XXX_RINT 0x30 unsigned char isd_spi(ISD_COMMAND * isdcommand) unsigned char i; unsigned long miso; unsigned long mosi=(unsigned long *)isdcommand; ISD4XXX_MISO=1; ISD4XXX_SCLK=0; ISD4XXX_SS=0; miso=0; for (i=0;i24;i+) miso=1; miso |=(unsigned long )ISD4XXX_MISO; if (mosi & 0x800000 =0x1) ISD4XXX_MOSI =1; else ISD4XXX_MOSI = 0; ISD4XXX_SCLK=1; mosi = 1; ISD4XXX_SCLK=0; ISD4XXX_SCLK=1; return (char *)(miso+1); void ISD4XXX_Record(unsigned int address) / 1. power up / 2. TPUD(25ms) *2; / 3. power up; / 4. set record address = 00; / 5. rec command . ISD_COMMAND isd_command; isd_mand_code=ISD4XXX_POWER_UP; / isd__address=0; isd_spi(&isd_command); soft_delay_10ms(3); soft_delay_10ms(3); isd_spi(&isd_command); isd_mand_code=ISD4XXX_SET_REC; isd__address=address; isd_spi(&isd_command); isd_mand_code=ISD4XXX_REC ; / isd__address=0; isd_spi(&isd_command); void ISD4XXX_Play(unsigned int address) / 1. POWER UP / 2. Delay tpuid. / 3. SET PLAY WITH ADDRESS 0; / 4. SEND play command. ISD_COMMAND isd_command; isd_mand_code=ISD4XXX_POWER_UP; / isd__address=0; isd_spi(&isd_command); soft_delay_10ms(3); isd_mand_code=ISD4XXX_SET_PLAY; isd__address=address; isd_spi(&isd_command); isd_mand_code=ISD4XXX_PLAY; / isd__address=0; isd_spi(&isd_command); void ISD4XXX_Stop(void) ISD_COMMAND isd_command; isd_mand_code=ISD4XXX_STOP; isd_spi(&isd_command); void ISD4XXX_PowerOff(void) ISD_COMMAND isd_command; isd_mand_code=0x08; isd_spi(&isd_command); void ISD4XXX_PowerOn(void) ISD_COMMAND isd_command; isd_mand_code=0x04; isd_spi(&isd_command); static code unsigned int address_tab22= 0, 1, 2, 3, 4, 5