动态显示数码管几个程序
#include<reg52.h>
#define uchar unsigned char
#define uint unsigned int
sbit wei = P2^7;
sbit duan = P2^6;
sbit LED1 = P1^0;
uchar counter;
unsigned char leddata[]={
0x3F, //"0"
0x06, //"1"
0x5B, //"2"
0x4F, //"3"
0x66, //"4"
0x6D, //"5"
0x7D, //"6"
0x07, //"7"
0x7F, //"8"
0x6F, //"9"
0x77, //"A"
0x7C, //"B"
0x39, //"C"
0x5E, //"D"
0x79, //"E"
0x71, //"F"
0x76, //"H"
0x38, //"L"
0x37, //"n"
0x3E, //"u"
0x73, //"P"
0x5C, //"o"
0x40, //"-"
0x00, //熄灭
0x00 //自定义
};
void delay(uint z)
{
uintx,y;
for(x= z;x > 0;x--)
for(y= 120; y > 0; y--);
}
void display()
{
wei= 1;
P0= 0xfe;//点亮第一位数码管
wei= 0;
duan= 1;
P0= leddata[1];
duan= 0;
delay(1);
wei = 1;
P0= 0xfd;//点亮第一位数码管
wei= 0;
duan= 1;
P0= leddata[2];
duan= 0;
delay(1);
}
void main()
{
TMOD= 0x10;//定时器1 工作模式1 16位模式定时器
TH1= 0x4b;
TL1= 0xfe; //定时50ms
TR1= 1; //启动定时器
while(1)
{
if(TF1== 1)
{
TF1= 0;
TH1= 0x4b;
TL1= 0xfe; //初始化值，定时50ms
counter++;
}
if(counter== 20)
{
counter= 0;
LED1= ~LED1;
}
display();
}
}
实现秒表0-60循环#include<reg52.h>
#define uchar unsigned char
#define uint unsigned int
sbit wei = P2^7;
sbit duan = P2^6;
sbit LED1 = P1^0;
uchar counter, time_counter;
unsigned char leddata[]={
0x3F, //"0"
0x06, //"1"
0x5B, //"2"
0x4F, //"3"
0x66, //"4"
0x6D, //"5"
0x7D, //"6"
0x07, //"7"
0x7F, //"8"
0x6F, //"9"
0x77, //"A"
0x7C, //"B"
0x39, //"C"
0x5E, //"D"
0x79, //"E"
0x71, //"F"
0x76, //"H"
0x38, //"L"
0x37, //"n"
0x3E, //"u"
0x73, //"P"
0x5C, //"o"
0x40, //"-"
0x00, //熄灭
0x00 //自定义
};
void delay(uint z)
{
uintx,y;
for(x= z;x > 0;x--)
for(y= 120; y > 0; y--);
}
void display(uchar i)
{
ucharshi,ge;
shi= i / 10; //求模
ge= i % 10; //求余
wei= 1;
P0= 0xfe;//点亮第一位数码管
wei= 0;
duan= 1;
P0= leddata[shi];
duan= 0;
delay(1);
wei = 1;
P0= 0xfd;//点亮第一位数码管
wei= 0;
duan= 1;
P0= leddata[ge];
duan= 0;
delay(1);
}
void main()
{
TMOD= 0x10;//定时器1 工作模式1 16位模式定时器
TH1= 0x4b;
TL1= 0xfe; //定时50ms
TR1= 1; //启动定时器
while(1)
{
if(TF1== 1)
{
TF1= 0;
TH1= 0x4b;
TL1= 0xfe; //初始化值，定时50ms
counter++;
}
if(counter== 20)
{
counter= 0;
LED1= ~LED1;
time_counter++;
}
if(time_counter== 60)
time_counter= 0;
display(time_counter);
}
}
数码管0-59显示，到60时流水灯循环显示
#include<reg52.h>
#include<intrins.h>
#define uchar unsigned char
#define uint unsigned int
sbit wei = P2^7;
sbit duan = P2^6;
uchar ledflow = 0x7f;
uchar counter, time_counter;
unsigned char leddata[]={
0x3F, //"0"
0x06, //"1"
0x5B, //"2"
0x4F, //"3"
0x66, //"4"
0x6D, //"5"
0x7D, //"6"
0x07, //"7"
0x7F, //"8"
0x6F, //"9"
0x77, //"A"
0x7C, //"B"
0x39, //"C"
0x5E, //"D"
0x79, //"E"
0x71, //"F"
0x76, //"H"
0x38, //"L"
0x37, //"n"
0x3E, //"u"
0x73, //"P"
0x5C, //"o"
0x40, //"-"
0x00, //熄灭
0x00 //自定义
};
void delay(uint z)
{
uintx,y;
for(x= z;x > 0;x--)
for(y= 120; y > 0; y--);
}
void display(uchar i)
{
ucharshi,ge;
shi= i / 10; //求模
ge= i % 10; //求余
P0= 0xff; //清除断码
wei= 1;
P0= 0xbf;//点亮第7位数码管
wei= 0;
duan= 1;
P0= leddata[shi];
duan= 0;
delay(1);
P0 = 0xff;
wei= 1;
P0= 0x7f;//点亮第一位数码管
wei= 0;
duan= 1;
P0= leddata[ge];
duan= 0;
delay(1);
}
void main()
{
TMOD= 0x10;//定时器1 工作模式1 16位模式定时器
TH1= 0x4b;
TL1= 0xfe; //定时50ms
TR1= 1; //启动定时器
while(1)
{
if(TF1== 1)
{
TF1= 0;
TH1= 0x4b;
TL1= 0xfe; //初始化值，定时50ms
counter++;
}
if(counter== 20)
{
counter= 0;
time_counter++;
}
if(time_counter== 60)
{
wei = 1;
P0= 0xff;//关闭数码管显示
wei= 0;
TR1= 0;
P1= ledflow;
ledflow= _cror_(ledflow,1);
delay(500);
}
else
display(time_counter);
}
}
kankan