main.c

ISD1420语音程序

#include<REGX52.H> 		
#include<absacc.h>
#include "Global.H"
#include "ISD1420.h"

void SystemInitialize(void);//系统初始始化
void delay_1ms();				  //延时1ms


main()
{
  char temp = 0;
  delay_1ms();
	SystemInitialize();
  DisplayBuffer[2] = HexChar[ISD1420_Counter];
  DisplayBuffer[7] = HexChar[KeyValue];
	while(1)
	{ 
     ISD1420_Task();

  }
} 


void delay_1ms()				  //延时1ms
{	
    int j=300;
	  while(j--);
}
 //系统初始化
void SystemInitialize(void)
{
	//资源设置(初始化)
	//================
	//定时器0工作在方式1	作时间定时用(2.5ms产生一次溢出中断)
	//外部中断设置				INT0及INT1均为边沿触发(允许中断)

	TMOD = 0x10;//7(GATE),6(C/~T),5(M1),4(M0),3(GATE),2(C/~T),1(M1),0(M0)  //使用定时器1，工作方式1，
	TH1 = 0xF6;//Serial Port Baud Rate 2400 bps, when the main frequence is 12MHz
	TL1 = 0x00;
	TCON = 0x45;//TCON: 7(TF1),6(TR1),5(TF0),4(TR0),3(IE1),2(IT1),1(IE0),0(IT0)
	//SCON = 0x78;//SCON: 7(SM0),6(SM1),5(SM2),4(REN),3(TB8),2(RB8),1(TI),0(RI)
	//PCON = 0x00;//PCON: 7(SMOD),6(null),5(null),4(null),3(GF1),2(GF0),1(PD),0(IDL)
	IE = 0x0D;//中断允许：7(EA),6(null),5(ET2),4(ES),3(ET1),2(EX1),1(ET0),0(EX0)
	//IP = 0x30;//中断优先级：7(null),6(null),5(PT2),4(PS),3(PT1),2(PX1),1(PT0),0(PX0)
	//==============================================================================
	//开启中断，允许中断响应
	//======================
	EA = 1;
 /* TMOD=0x10;    //使用定时器1，工作方式1，
 TL1=0x00;      //-1000%256;
 TH1=0xFB;           //-1000/256;     //定时2.5ms
 EA=1;      //开中断
 ET1=1;
 EX0=1;
 IT0=1;
 TR1=1;   */
}