#include<reg51.h>
unsigned char sec=0;
unsigned char s1[] = {0x3f, 0x06, 0x5b, 0x4f,
0x66, 0x6d, 0x7d, 0x07, 0x7f, 0x6f, 0x77,
0x7c, 0x39, 0x5e, 0x79, 0x71, 0x73, 0x3e,
0x31, 0x6e, 0x76, 0x38, 0x00};//共阴
unsigned char s2[] = {0xc0, 0xf9, 0xa4, 0xb0,
0x99, 0x92, 0x82, 0xf8, 0x80, 0x90, 0x88,
0x83, 0xc6, 0xa1, 0x86, 0x8e, 0x8c, 0xc1,
0xce, 0x91, 0x89, 0xc7, 0xff};//共阳
unsigned char s3[] = {0x40,0x79,0x24,0x30,0x19,0x12,0x02,0x78,0x00,0x10}; //带小数点的从0-9
void delay(unsigned char i)
{
while(i--)
{
unsigned int t;
for(t=0;t<120;t++);
}
}
void seg()
{
P0=0x01;
P1=s2[sec/10];
delay(2);
P1=0xff;
P0=0x02;
P1=s3[sec%10];
delay(2);
P1=0xff;
P0=0x04;
P1=s2[sec%10];
delay(2);
P1=0xff;
P0=0x08;
P1=s2[sec%10];
delay(2);
P1=0xff;
}
void main()
{
unsigned char num=0;
while(1)
{
seg();
//unsigned char num=0;
if(num<50)
num++;
else
{
num=0;
if(sec<60)
sec++;
else
sec=0;
}
}
}
这段代码怎么改能实现从00.00到59.99s的变化,每十毫秒变化一次
- 写回答
- 好问题 0 提建议
- 追加酬金
- 关注问题
- 邀请回答
-
2条回答 默认 最新
- qllaoda 2022-04-08 11:06关注
#include<reg51.h> unsigned int sec=0; unsigned char s1[] = {0x3f, 0x06, 0x5b, 0x4f, 0x66, 0x6d, 0x7d, 0x07, 0x7f, 0x6f, 0x77, 0x7c, 0x39, 0x5e, 0x79, 0x71, 0x73, 0x3e, 0x31, 0x6e, 0x76, 0x38, 0x00};//共阴 unsigned char s2[] = {0xc0, 0xf9, 0xa4, 0xb0, 0x99, 0x92, 0x82, 0xf8, 0x80, 0x90, 0x88, 0x83, 0xc6, 0xa1, 0x86, 0x8e, 0x8c, 0xc1, 0xce, 0x91, 0x89, 0xc7, 0xff};//共阳 unsigned char s3[] = {0x40,0x79,0x24,0x30,0x19,0x12,0x02,0x78,0x00,0x10}; //带小数点的从0-9 void delay(unsigned char i) { while(i--) { unsigned int t; for(t=0;t<120;t++); } } void seg() { P0=0x01; P1=s2[sec/1000]; delay(2); P1=0xff; P0=0x02; P1=s3[(sec/100)%10]; delay(2); P1=0xff; P0=0x04; P1=s2[(sec/10)%10]; delay(2); P1=0xff; P0=0x08; P1=s2[sec%10]; delay(2); P1=0xff; } void main() { unsigned char num=0; while(1) { seg(); //unsigned char num=0; if(num<50) num++; else { num=0; if(sec<6000) sec++; else sec=0; } } }
解决 1无用
悬赏问题
- ¥15 Opencv(C++)异常
- ¥15 VScode上配置C语言环境
- ¥15 汇编语言没有主程序吗?
- ¥15 这个函数为什么会爆内存
- ¥15 无法装系统,grub成了顽固拦路虎
- ¥15 springboot aop 应用启动异常
- ¥15 matlab有关债券凸性久期的代码
- ¥15 lvgl v8.2定时器提前到来
- ¥15 qtcp 发送数据时偶尔会遇到发送数据失败?用的MSVC编译器(标签-qt|关键词-tcp)
- ¥15 cam_lidar_calibration报错