基于單片機籃球計數器，含程序，仿真圖，實現計時，暫停，更換場地分值切換等功能

ID:255587 · 發表于 2017-11-30 11:15

#include<reg51.h>

code unsigned char seven_seg[]={~0xc0,~0xf9,~0xa4,~0xb0,~0x99,~0x92,~0x82,~0xf8,~0x80,~0x90};

unsigned char k = 0,cp,cp1,mode = 0;

int a = 0,b = 0,c = 0;

bit m = 0;

sbit BUZZER = P3^0;

char min = 15,sec = 0;

#include<display.c>
#include<key.c>

void timer0_isr(void)interrupt 1
{

TH0 = (65536 - 2000) / 256;
TL0 = (65536 - 2000) % 256;
cp++;
if(cp >= 250)
{
cp = 0;
cp1++;
}
if(cp1 >= 2)
{
cp1 = 0;

if((mode == 1) || (mode == 2))sec = sec;

if(mode == 1)sec--;

if(sec < 0)
{
if(min > 0)
{
sec = 59;
min--;
}
if(min < 0)
{
sec = 0;
min = 0;
}
if(min == 0)
{
sec = 0;
mode = 0;
}
}
}
display();

}

void timer0_init()
{
TMOD = 0X01;
TH0 = (65536 - 2000) / 256;
TL0 = (65536 - 2000) % 256;
EA = 1;
ET0 = 1;
TR0 = 1;
}

void main(void)
{
timer0_init();
BUZZER = 0;
while(1)
{
key();
if((min == 0)&&(sec == 0))
{
BUZZER = ~BUZZER;
delay(300);
}
}
}

ID:196383 · 發表于 2017-12-4 22:36

好東西學習了

ID:760537 · 發表于 2020-5-25 12:11

設置思路，原理啥的能告一下么，樓主求解。

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基于單片機籃球計數器，含程序，仿真圖，實現計時，暫停，更換場地分值切換等功能