谁帮帮忙用proteus 设计电子秒表系统 ，用2位LED数码显示，显示时间为00~99秒，每秒自动加1，“开始按键” 求高手为下面的仿真图设计一个51单片机实现秒表的程序，要求：...
\u7528AT89C51\u8bbe\u8ba1\u4e00\u4e2a2\u4f4d\u7684LED\u6570\u7801\u663e\u793a\u4f5c\u4e3a\u201c\u79d2\u8868\u201d\u53ef\u4ee5\u53d1\u7ed9\u6211\u56fe
\u6c47\u7f16\u8fd8\u662fC\uff1f
#include
#define uchar unsigned char
#define uint unsigned int
sbit KS=P1^1;
sbit KP=P1^2;
sbit KC=P1^3;
uchar ge,shi;
uchar code tab[ ]={0xC0,0xF9,0xA4,0xB0,0x99,
0x92,0x82,0xF8,0x80,0x90,};
void delay(uint ms)
{
uchar a;
while(ms--)
for(a=123;a>0;a--);
}
void display();
void t0intinit( )//\u5b9a\u65f6\u5668T0\u521d\u59cb\u5316
{
TMOD=0x01;
TH0=0x3c;//50ms\u5b9a\u65f6
TL0=0xb0;
EA=1;
ET0=1;
}
void T0INT() interrupt 1 //\u5b9a\u65f6\u5668T0\u4e2d\u65ad \u65b9\u5f0f1
{
uchar time;
TH0=0x3c;
TL0=0xb0;
time++;
if(time==20) //20X50ms=1s
{
time=0;
ge++;
}
}
void main()
{
t0intinit( );
while(1)
{
while(!KS)
{delay(10);
if(KS)
TR0=1;
}
while(!KP)
{
delay(10);
if(KP)
TR0=0;
}
while(!KC)
{
delay(10);
if(KC)
TR0=0;
shi=0;
ge=0;
}
P2=tab[ge];
P0=tab[shi];
if(ge==10)
{
ge=0;
shi++;
}
if(shi==10)
{
shi=0;
}
}
}
//12M晶振。2位共阳数码管，P0为段码，P2.2、P2.3位控
//2011 05 07 三个按键：开始 P2.0 暂停 P2.1 清零 P2.2
#include <reg51.h>
#define uchar unsigned char
sbit P20=P2^0;
sbit P21=P2^1;
sbit KS=P2^5;
sbit KP=P2^6;
sbit KC=P2^7;
int ge,shi;
uchar code tab[ ]={0xC0,0xF9,0xA4,0xB0,0x99,
0x92,0x82,0xF8,0x80,0x90,};
void delay_ms(unsigned int ms) //1ms延时
{
uchar a;
while(ms--)
for(a=123;a>0;a--);
}
void display();
void t0intinit( ) //定时器T0初始化
{
TMOD=0x01;
TH0=0x3c;//50ms定时
TL0=0xb0;
EA=1;
ET0=1;
}
void Timer0Interrupt(void) interrupt 1 //定时器T0中断 方式1
{
uchar time;
TH0=0x3c;
TL0=0xb0;
time++;
if(time==20) //20X50ms=1s
{
time=0;
ge++;
}
}
void main()
{
t0intinit( );
while(1)
{
display( );
while(!KS)
{ display( );
if(KS)
TR0=1;
}
while(!KP)
{
display();
if(KP)
TR0=0;
}
while(!KC)
{
display( );
if(KC)
TR0=0;
shi=0;
ge=0;
}
if(ge==10)
{
ge=0;
shi++;
}
if(shi==9)
{
shi=0;
}
}
}
void display( )
{
P20=1;
P0=tab[ge];
delay_ms(1);
P20=0;
P21=1;
P0=tab[shi];
delay_ms(1);
P21=0;
}
这个...................
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