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標題:
用定時器來寫動態數碼管怎么寫
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作者:
老新手98
時間:
2018-5-10 20:33
標題:
用定時器來寫動態數碼管怎么寫
#include "reg52.h"
typedef unsigned int u16;
typedef unsigned char u8;
sbit LSA=P2^2;
sbit LSB=P2^3;
sbit LSC=P2^4;
u8 code smgduan[17]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,
0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71};
void Timer0Init()
{
TMOD|=0X01
TH0=0XFC;
TL0=0X18;
ET0=1
EA=1
TR0=1
}
void main()
{
Timer0Init();
while(1)
{
}
}
void Timer0() interrupt 1
{ u8 i;
static u16 j;
TH0=0XFC;
TL0=0X18;
j++;
for(i=0;i<8;i++)
{
switch(i) ,
{
case(0):
LSA=0;LSB=0;LSC=0; break;
case(1):
LSA=1;LSB=0;LSC=0; break;
case(2):
LSA=0;LSB=1;LSC=0; break;
case(3):
LSA=1;LSB=1;LSC=0; break;
case(4):
LSA=0;LSB=0;LSC=1; break;
case(5):
LSA=1;LSB=0;LSC=1; break;
case(6):
LSA=0;LSB=1;LSC=1; break;
case(7):
LSA=1;LSB=1;LSC=1; break;
}
if(j==1000)
{
j=0;
P0=smgduan[i];
}
P0=0x00;
}
}
作者:
老新手98
時間:
2018-5-10 20:33
大佬們幫忙看看
作者:
HC6800-ES-V2.0
時間:
2018-5-11 07:38
給你搞定了!
#include "reg52.h"
typedef unsigned int u16;
typedef unsigned char u8;
sbit LSA=P2^2;
sbit LSB=P2^3;
sbit LSC=P2^4;
u8 code smgduan[17]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,
0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71};
void Timer0Init()
{
TMOD|=0X01;
TH0=0XFC;
TL0=0X18;
ET0=1;
EA=1;
TR0=1;
}
void main()
{
Timer0Init();
while(1)
{
}
}
void Timer0() interrupt 1
{ u8 i;
static u16 j;
TH0=0XFC;
TL0=0X18;
// j++;
for(i=0;i<8;i++)
{
switch(i)
{
case(0):
LSA=0;LSB=0;LSC=0; break;
case(1):
LSA=1;LSB=0;LSC=0; break;
case(2):
LSA=0;LSB=1;LSC=0; break;
case(3):
LSA=1;LSB=1;LSC=0; break;
case(4):
LSA=0;LSB=0;LSC=1; break;
case(5):
LSA=1;LSB=0;LSC=1; break;
case(6):
LSA=0;LSB=1;LSC=1; break;
case(7):
LSA=1;LSB=1;LSC=1; break;
}
// if(j==1000)
// {
// j=0;
// P0=smgduan[i];
// }
P0=smgduan[i];
for (j=20;j>0;j--);
P0=0x00;
}
}
作者:
wulin
時間:
2018-5-11 18:20
1ms中斷1次顯示1位,8次中斷完成一輪動態顯示。如果在1次中斷里循環8次完成一輪動態顯示占用時間長,末位數碼管會比其它位數碼管亮許多。
#include "reg52.h"
typedef unsigned int u16;
typedef unsigned char u8;
sbit LSA=P2^2;
sbit LSB=P2^3;
sbit LSC=P2^4;
u8 code smgduan[17]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,
0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71};
void Timer0Init()
{
TMOD|=0X01;
TH0=0XFC;
TL0=0X18;
ET0=1;
EA=1;
TR0=1;
}
void main()
{
Timer0Init();
while(1)
{
}
}
void Timer0() interrupt 1
{
static u8 i=0;
TH0=0XFC;
TL0=0X18;
P0=0x00;
switch(i)
{
case(0):
LSA=0;LSB=0;LSC=0;P0=smgduan[i];i++; break;
case(1):
LSA=1;LSB=0;LSC=0;P0=smgduan[i];i++; break;
case(2):
LSA=0;LSB=1;LSC=0;P0=smgduan[i];i++; break;
case(3):
LSA=1;LSB=1;LSC=0;P0=smgduan[i];i++; break;
case(4):
LSA=0;LSB=0;LSC=1;P0=smgduan[i];i++; break;
case(5):
LSA=1;LSB=0;LSC=1;P0=smgduan[i];i++; break;
case(6):
LSA=0;LSB=1;LSC=1;P0=smgduan[i];i++; break;
case(7):
LSA=1;LSB=1;LSC=1;P0=smgduan[i];i=0; break;
}
}
作者:
xiaoyu.
時間:
2018-5-17 22:47
這是一個用定時器0計時,數碼管動態顯示時鐘的程序
#include<reg52.h>
#define uint unsigned int
#define uchar unsigned char
sbit dula=P2^6;
sbit wela=P2^7;
uchar code table[]={
0x3f,0x06,0x5b,0x4f,
0x66,0x6d,0x7d,0x07,
0x7f,0x6f,0x77,0x7c,
0x39,0x5e,0x79,0x71};
uchar aa,num1,num2,num3; /*num1Îaê±£¬num2Îa·Ö,num3ÎaÃë*/
uchar shi1,ge1,shi2,ge2,shi3,ge3;
void inint()
{
TMOD=0x01;
TH0=(65536-50000)/256;
TL0=(65536-50000)%256;
EA=1;
ET0=1;
TR0=1;
}
void delay(uint z)
{
uint x,y;
for(x=z;x>0;x--)
for(y=110;y>0;y--);
}
void display(uchar shi1,uchar ge1,uchar shi2,uchar ge2,uchar shi3,uchar ge3)
{
dula=1;
P0=table[shi1];
dula=0;
P0=0xff;
wela=1;
P0=0xfe;
wela=0;
delay(2);
dula=1;
P0=table[ge1];
dula=0;
P0=0xff;
wela=1;
P0=0xfd;
wela=0;
delay(2);
dula=1;
P0=table[shi2];
dula=0;
P0=0xff;
wela=1;
P0=0xfb;
wela=0;
delay(2);
dula=1;
P0=table[ge2];
dula=0;
P0=0xff;
wela=1;
P0=0xf7;
wela=0;
delay(2);
dula=1;
P0=table[shi3];
dula=0;
P0=0xef;
wela=1;
P0=0xef;
wela=0;
delay(2);
dula=1;
P0=table[ge3];
dula=0;
P0=0xdf;
wela=1;
P0=0xdf;
wela=0;
delay(2);
}
void main()
{
inint();
while(1)
{
display(shi1,ge1,shi2,ge2,shi3,ge3);
}
}
void zhongduan() interrupt 1
{
TH0=(65536-50000)/256;
TL0=(65536-50000)%256;
aa++;
if(aa==20)
{
aa=0;
num3++;
if(num3==60)
{
num3=0;
num2++;
if(num2==60)
{
num2=0;
num1++;
}
}
if(num1==24 && num3==1)
{
num1=0;
num2=0;
num3=0;
}
shi1=num1/10;
ge1=num1%10;
shi2=num2/10;
ge2=num2%10;
shi3=num3/10;
ge3=num3%10;
}
}
作者:
老新手98
時間:
2018-5-20 18:42
HC6800-ES-V2.0 發表于 2018-5-11 07:38
給你搞定了!
#include "reg52.h"
謝謝了
作者:
shblmy
時間:
2020-4-23 00:39
HC6800-ES-V2.0 發表于 2018-5-11 07:38
給你搞定了!
#include "reg52.h"
可以解釋以下原因嗎 謝謝嘍
剛剛入門 不是很了解
麻煩您了
歡迎光臨 (http://m.raoushi.com/bbs/)
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