0-9999999计数器.txt

这是一个优秀的0-99999模块源码

//李伟于9月2号下午修改通过
#include <iom16v.h>
#define uchar unsigned char
#define uint unsigned int
const uchar TABLE[ ] ={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,
0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71};/*LED 字形表*/
uchar led[6] ;
uint count;
void delay_1ms(void)                 //1ms延时函数
  {
   unsigned int i;
   for (i=0;i<1140;i++);
  }
  
void delay_nms(unsigned int n)       //N ms延时函数
  {
   unsigned int i=0;
   for (i=0;i<n;i++)
   delay_1ms();
  }
void init_disp(void)//显示显示
{
DDRB=0xff;//段选
DDRD=0x7f;//位选
}
void disp(void)//显示
{
uchar i;
for (i=0;i<6;i++)
{
PORTD=~(0x01<<i);
PORTB=TABLE[led[i]];
delay_nms(1);
}
}
void conv(void)  //数值转换
{
led[5] =0;
led[4] =count/10000;
led[3] =count/1000%10;
led[2] =count/100%10;
led[1] =count/10%10;
led[0] =count%10;
}
void main(void)
{
init_disp();
count=0;
conv();
for(;;)
{
while((PIND&0x80)==0x80)//注意如果颠倒2个WHILE,区别是一个是按下键就变值,一个
//是按下不变,松开就变

disp();
count++;
conv();
while((PIND&0x80)==0)
disp();

}
}