main.h

语音芯片ISD4004的驱动程序。。。希望对大家有用

#include <ADUC842.H>
#include <842others.H>
#include<intrins.h> // 可以调用_nop_()的函数

#define key1 0xfffe
#define key2 0xfffd
#define key3 0xfffb
#define key4 0xfff7
#define key5 0xffef
#define key6 0xffdf
#define key7 0xffbf
#define key8 0xff7f
#define key9 0xfeff
#define key10 0xfdff
#define key11 0xfbff
#define key12 0xf7ff
#define key13 0xefff
#define key14 0xdfff
#define key15 0xbfff
#define key16 0x7fff

void delay(unsigned int a);
void Write_ISDaddress(unsigned int a);//写入16位的地址
void Write_ISDcommand(unsigned char a);//写8位的命令码,从低位,到高位
void ISD_PowerUp(void);//上电命令
void record4004(unsigned int address);
void play4004(unsigned int address);
void stopISD(void);
void PowrnDownISD(void);

unsigned int keyin(void);

void UART_initial(void);
void Send8bit(unsigned char a);//发送一字节数据