1、ISD1730语音芯片编程cISD1730语音芯片编程cISD1730语音芯片编程c 2010-07-11 21:22 自己编写的芯片头文件: #ifndef _SPI_H_ #define _SPI_H_ #includereg52.h /- /命令定义 #define PU 0x01 /17xx上电 #define STOP 0x02 /停止当前操作 #define RESET 0x03 /芯片复位 #define CLR_INT 0x04 /清除EOM标志和中断信号 #define RD_STATUS 0x05 /返回状态寄存器内容 #define RD_PLAY_PTR 0x06 /在
2、1,2字节返回状态寄存器信息，2，3字节返回放音指针 #define PD 0x07 /芯片下电 #define RD_REC_PTR 0x08 /在1,2字节返回状态寄存器信息，2，3字节返回录音指针 #define DEVID 0x09 /读取芯片ID号码 #define PLAY 0x40 /从当前地址放音 #define REC 0x41 /从当前地址录音 #define ERASE 0x42 /擦除当前语音段 #define G_ERASE 0x43 /擦除芯片所有语音 #define RD_APC 0x44 /返回状态寄存器信息在1,2字节，APC寄存器信息在3字节 #define
3、 WR_APC1 0x45 /将写入APC寄存器 #define WR_APC2 0x65 /将写入APC寄存器,并由位控制音量 #define WR_NVCFG 0x46 /将APC内容写入NVCFG #define LD_NVCFG 0x47 /将NVCFG内容写入APC #define FWD 0x48 /将放音指针指向下一段语音地址处 #define CHK_MEM 0x49 /检查环状存储体系 #define EXTCLK 0x4a /外部时钟使能 #define SET_PLAY 0x80 /从起始地址放音到结束地址结束 #define SET_REC 0x81 /从起始地址录音到
4、结束地址结束 #define SET_ERASE 0x82 /从起始地址擦除到结束地址结束 #define uchar unsigned char #define uint unsigned int /- /SPI与MCU引脚连接 sbit ISD1730_MISO = P00; sbit ISD1730_MOSI = P01; sbit ISD1730_SCLK = P02; sbit ISD1730_SS = P03; #define ENISD1730_SS ISD1730_SS=0 #define DISENISD1730_SS ISD1730_SS=1 #define ISD1730
5、_MISO_L ISD1730_MISO=0 #define ISD1730_MISO_H ISD1730_MISO=1 #define ISD1730_MOSI_L ISD1730_MOSI=0 #define ISD1730_MOSI_H ISD1730_MOSI=1 #define ISD1730_SCLK_L ISD1730_SCLK=0 #define ISD1730_SCLK_H ISD1730_SCLK=1 /- /函数声明 void isd1730_delay(); void delay10ms(unsigned int n); unsigned char ISD1730_Sp
6、io(unsigned char dat); void ISD1730_PU(void); void ISD1730_Set_Play(unsigned char VOICE_NUM); void ISD1730_PLAY(unsigned char voice_name); void ISD1730_Write_APC2(void); #endif 芯片的源文件: #includeSPI.h unsigned char SR0H; / bdata unsigned char SR0L; / bdata unsigned char SR1; / bdata unsigned char SR2;
7、 /程序中的延时都屏蔽了也可以运行 /* * 函数原型: void GetToneAdd(uchar cNum, Uint * ipStartAdd, Uint * ipEndAdd); * 功 能: 取出当前语音的首末地址 */ void GetToneAdd(unsigned char NUM, unsigned int * ipStartAdd, unsigned int * ipEndAdd) unsigned int caToneAdd=0x0010,0x00ff/*0x0015,0x0016,0x001c,0x001d,0x0023,0x0024,0x002a,0x002b,0x0
8、030, 0x0031,0x0035,0x0036,0x003b,0x003c,0X0041,0x0042,0x0047,0X0048,0x004d, 0x004e,0x0053,0x0054,0x0059,0x005a,0x005f*/; *ipStartAdd=caToneAddNUM*2; *ipEndAdd=caToneAddNUM*2+1; /*- 名称:isd1730_delay 功能:7us延时 输入:无 输出:无 返回:无 备注:无 -*/ /*static void isd1730_delay(void) unsigned char i; for (i=0; i7; i+)
9、; */ /*- 名称:delay10ms 功能:延时n*1毫秒 输入:n 输出:无 返回:无 备注:无 -*/ /*static void delay10ms(unsigned int n) unsigned int i,j; for (i=0; in; i+) for(j=0;j1000;j+); */ /*- 名称:ISD1730_Spio 功能:ISD1730 SPI驱动函数 输入:dat:要传送到ISD1730的数据 输出:无 返回:receive:接收的数据 备注:无 -*/ static unsigned char ISD1730_Spio(unsigned char dat)
10、unsigned char i; unsigned char recevice; ISD1730_SCLK_L; /先将SCLK清0 for (i=0; i= 1; /要写入的数据左移一位 / isd1730_delay(); /稍微延时7us ISD1730_SCLK_H; /将要发送的数据位送到MOSI上后，置SCLK为1，上升沿时将当前MOSI上的数据传到ISD1730 / isd1730_delay(); /下面开始接收从MISO发出的数据位 recevice = 1; / ISD1730_MISO_H; if (ISD1730_MISO = 1) /SPI 接口的串行输出。ISD17
11、00 在SCLK 下降沿之前的半个周期将数据 /放置在MISO 端。数据在SCLK 的下降沿时移出 recevice |= 0x80; ISD1730_SCLK_L; return recevice; /*- 名称:ISD1730_PU 功能:ISD1730上电操作 输入:无 输出:无 返回:无 备注:无 -*/ static void ISD1730_PU(void) /- /SPI初始条件 DISENISD1730_SS; ISD1730_SCLK_H; ISD1730_MOSI_L; ENISD1730_SS; /- /发送命令 SR0L = ISD1730_Spio(PU); /发送命
12、令字节 SR0H = ISD1730_Spio(0x00); /发送数据字节1 DISENISD1730_SS; / delay10ms(2); /*- 名称:ISD1730_Write_APC2 功能:写入APC参数 输入:无 输出:无 返回:无 备注:无 -*/ void ISD1730_Write_APC2(void) /- /SPI初始条件 DISENISD1730_SS; ISD1730_SCLK_H; ISD1730_MOSI_L; ENISD1730_SS; /- /发送命令 SR0L = ISD1730_Spio(WR_APC2); /发送命令字节 SR0H = ISD1730
13、_Spio(0x40); /发送数据字节1 SR1 = ISD1730_Spio(0x0c); /发送数据字节2 DISENISD1730_SS; / delay10ms(2); /*- 名称: 功能: 输入: 输出: 返回: 备注: -*/ void ISD1730_Set_Play(unsigned char VOICE_NUM) unsigned int Add_ST, Add_ED; unsigned char Add_ST_H, Add_ST_L, Add_ED_H, Add_ED_L; GetToneAdd( VOICE_NUM, &Add_ST, &Add_ED); Add_ST
14、_L=(unsigned char)(Add_ST&0x00ff); Add_ST_H=(unsigned char)(Add_ST8)&0x00ff); Add_ED_L=(unsigned char)(Add_ED&0x00ff); Add_ED_H=(unsigned char)(Add_ED8)&0x00ff); /- /SPI初始条件 DISENISD1730_SS; ISD1730_SCLK_H; ISD1730_MOSI_L; ENISD1730_SS; /- /发送命令 SR0L = ISD1730_Spio(SET_PLAY); /发送命令字节 SR0H = ISD1730_
15、Spio(0x00); /发送数据字节1 SR1 = ISD1730_Spio(Add_ST_L); /发送数据字节2,放音起始地址低8位 SR2 = ISD1730_Spio(Add_ST_H); /发送数据字节3,放音起邕地址高3位,ISD1730不用 SR0H = ISD1730_Spio(Add_ED_L); /发送数据字节4,放音结束地址低8位 SR0H = ISD1730_Spio(Add_ED_H); /发送数据字节5,放音结束地址低8位,ISD1730不用 SR0H = ISD1730_Spio(0x00); /发送数据字节6 DISENISD1730_SS; / delay1
16、0ms(2); /*- 名称:ISD1730_PD 功能:ISD1730下电命令 输入:无 输出:无 返回:无 备注:无 -*/ void ISD1730_PD(void) /- /SPI初始条件 DISENISD1730_SS; ISD1730_SCLK_H; ISD1730_MOSI_L; ENISD1730_SS; /- /发送命令 SR0L = ISD1730_Spio(PD); /发送命令字节 SR0H = ISD1730_Spio(0x00); /发送数据字节1 DISENISD1730_SS; / delay10ms(2); /*- 名称:ISD1720_PLAY 功能:播放指定
17、的语音信息 输入:voice_num,语音索引编号 输出:无 返回:无 备注:无 -*/ void ISD1730_PLAY(unsigned char voice_name) ISD1730_PU(); / delay10ms(5); ISD1730_Set_Play(voice_name); / delay10ms(350); ISD1730_PD(); / delay10ms(15); /- /程序结束 /- 主函数所在的C文件: #includereg52.h #includeSPI.h #includeintrins.h /*延时*/ void delay(uchar ms) / 延时子程序 uchar i; while(ms-) for(i = 0; i 250; i+) _nop_(); _nop_(); _nop_(); _nop_(); /*主函数*/ void main() ISD1730_Write_APC2(); ISD1730_PLAY(0); delay(500); while(1); 这个是能用的一个工程，电路就是芯片资料中的独立按键的那个图，把SPI的四条线和单片机相连就可了，先录音。在SCLK端接一个上拉电阻。
