isd1420.h

此程序是基于89s52单片机的c程序

#include<reg52.h>

#define uchar unsigned char
#define uint unsigned int

sbit Play = P3^0;

void delay1ms(int t)
{
    uint i,j;
    for(i=0;i<t;i++)
        for(j=0;j<120;j++);
}

uchar code tab[ ]={0x00,0x10,0x18,0x20,0x28,0x30,0x38,0x40,0x48,0x50,0x58,0x60,0x68,0x70};

void fa_sheng(uint i)
{
	P2 = tab[i];
	Play = 1;
	Play = 0;
	delay1ms(400);
}


void du_wen(uint temp)
{  
	uint thou,hun,ten,dat;

	thou = temp/1000;
	hun = temp%1000/100;
	ten = temp%100/10;
	dat = temp%10;
	
	fa_sheng(0);
	delay1ms(1000);
	
	fa_sheng(thou+1);
	delay1ms(130);
	
	fa_sheng(11);
	delay1ms(220);
	
	fa_sheng(hun+1);
	delay1ms(100);			   
	
	fa_sheng(12);
	delay1ms(150);
	
	fa_sheng(ten+1);
	delay1ms(100);
	
	fa_sheng(dat+1);
	delay1ms(250);

	fa_sheng(13);
	delay1ms(400);
}