同时点亮LED、数码管以及点阵
方法1
#include<reg52.h>
sbit ADDR0 = P1 ^ 0;
sbit ADDR1 = P1 ^ 1;
sbit ADDR2 = P1 ^ 2;
sbit ADDR3 = P1 ^ 3;
sbit ENLED = P1 ^ 4;
unsigned char code iMage[10][8] =
{
{ 0xC3, 0xBD, 0x7E, 0x7E, 0x7E, 0x7E, 0xBD, 0xC3 },
{ 0xEF, 0xE3, 0xEF, 0xEF, 0xEF, 0xEF, 0xEF, 0x83 },
{ 0xC3, 0xBD, 0xBF, 0xBF, 0xCF, 0xF3, 0xFD, 0x81 },
{ 0xFF, 0xE3, 0xDD, 0xDF, 0xE3, 0xDF, 0xDD, 0xE3 },
{ 0xDF, 0xCF, 0xD7, 0xDB, 0x03, 0xDF, 0xDF, 0x07 },
{ 0x81, 0xFD, 0xFD, 0xC3, 0xBF, 0xBF, 0xBD, 0xC3 },
{ 0xC7, 0xBB, 0xFB, 0xC3, 0xBB, 0xBB, 0xBB, 0xC7 },
{ 0xFF, 0xC1, 0xDF, 0xEF, 0xEF, 0xEF, 0xEF, 0xEF },
{ 0xFF, 0xC3, 0xBD, 0xBD, 0xC3, 0xBD, 0xBD, 0xC3 },
{ 0xE3, 0xDD, 0xDD, 0xDD, 0xC3, 0xDF, 0xDD, 0xE3 }
};//通过取模软件获取
unsigned char code LedChar[] =
{
0xC0, 0xF9, 0xA4, 0xB0, 0x99,
0x92, 0x82, 0xF8, 0x80, 0x90
};//数码管真值表
//首先让点阵亮，其次数码管亮，最后小灯亮，按此次序1s转换一次
void main(void)
{
ENLED = 0;
//ADDR3 = 0;//u4使能
EA = 1;//中断总使能
TMOD = 0x01;//定时器0设置模式1
TH0 = 0xFC;
TL0 = 0x67;//设置定时器0的初值1ms
TR0 = 1;//启动定时器0
ET0 = 1;//定时器0的中断使能
while(1);//让程序停在此处
}
void interruptTimer0(void) interrupt 1
{
static char iDotMatrix = 0;//点阵行数
static char iDig = 0;
static char iLed = 0;//led
static long unsigned int secDig = 0;//数码管
static int sec = 0;
static char index = 0;
TH0 = 0xFC;
TL0 = 0x67;//设置定时器0的初值1ms
ADDR3 = 0;//u4使能
P0 = 0xFF;//显示消隐
switch (iDotMatrix)
{
case 0: ADDR2 = 0; ADDR1 = 0; ADDR0 = 0; P0 = iMage[index][iDotMatrix]; iDotMatrix++; break;
case 1: ADDR2 = 0; ADDR1 = 0; ADDR0 = 1; P0 = iMage[index][iDotMatrix]; iDotMatrix++; break;
case 2: ADDR2 = 0; ADDR1 = 1; ADDR0 = 0; P0 = iMage[index][iDotMatrix]; iDotMatrix++; break;
case 3: ADDR2 = 0; ADDR1 = 1; ADDR0 = 1; P0 = iMage[index][iDotMatrix]; iDotMatrix++; break;
case 4: ADDR2 = 1; ADDR1 = 0; ADDR0 = 0; P0 = iMage[index][iDotMatrix]; iDotMatrix++; break;
case 5: ADDR2 = 1; ADDR1 = 0; ADDR0 = 1; P0 = iMage[index][iDotMatrix]; iDotMatrix++; break;
case 6: ADDR2 = 1; ADDR1 = 1; ADDR0 = 0; P0 = iMage[index][iDotMatrix]; iDotMatrix++; break;
case 7: ADDR2 = 1; ADDR1 = 1; ADDR0 = 1; P0 = iMage[index][iDotMatrix]; iDotMatrix = 0; break;
default: break;
}
ADDR3 = 1;//U3使能
P0 = 0xFF;
switch (iDig)
{
case 0: ADDR2 = 0; ADDR1 = 0; ADDR0 = 0; P0 = LedChar[secDig % 10]; iDig++; break;
case 1: ADDR2 = 0; ADDR1 = 0; ADDR0 = 1; P0 = LedChar[secDig / 10 % 10]; iDig++; break;
case 2: ADDR2 = 0; ADDR1 = 1; ADDR0 = 0; P0 = LedChar[secDig / 100 % 10]; iDig++; break;
case 3: ADDR2 = 0; ADDR1 = 1; ADDR0 = 1; P0 = LedChar[secDig / 1000 % 10]; iDig++; break;
case 4: ADDR2 = 1; ADDR1 = 0; ADDR0 = 0; P0 = LedChar[secDig / 10000 % 10]; iDig++; break;
case 5: ADDR2 = 1; ADDR1 = 0; ADDR0 = 1; P0 = LedChar[secDig / 100000 % 10]; iDig = 0; break;
default: break;
}
ADDR3 = 1;
P0 = 0xFF;
ADDR2 = 1; ADDR1 = 1; ADDR0 = 0;
P0 = ~(1 << iLed);
sec++;
if (sec > 1000)
{
index++;
iLed++;
secDig++;
sec = 0;
}
if (index > 9)
index = 0;
if (8 == iLed)
iLed = 0;
}
方法2
#include<reg52.h>
sbit ADDR0 = P1 ^ 0;
sbit ADDR1 = P1 ^ 1;
sbit ADDR2 = P1 ^ 2;
sbit ADDR3 = P1 ^ 3;
sbit ENLED = P1 ^ 4;
unsigned char code iMage[10][8] =
{
{ 0xC3, 0xBD, 0x7E, 0x7E, 0x7E, 0x7E, 0xBD, 0xC3 },
{ 0xEF, 0xE3, 0xEF, 0xEF, 0xEF, 0xEF, 0xEF, 0x83 },
{ 0xC3, 0xBD, 0xBF, 0xBF, 0xCF, 0xF3, 0xFD, 0x81 },
{ 0xFF, 0xE3, 0xDD, 0xDF, 0xE3, 0xDF, 0xDD, 0xE3 },
{ 0xDF, 0xCF, 0xD7, 0xDB, 0x03, 0xDF, 0xDF, 0x07 },
{ 0x81, 0xFD, 0xFD, 0xC3, 0xBF, 0xBF, 0xBD, 0xC3 },
{ 0xC7, 0xBB, 0xFB, 0xC3, 0xBB, 0xBB, 0xBB, 0xC7 },
{ 0xFF, 0xC1, 0xDF, 0xEF, 0xEF, 0xEF, 0xEF, 0xEF },
{ 0xFF, 0xC3, 0xBD, 0xBD, 0xC3, 0xBD, 0xBD, 0xC3 },
{ 0xE3, 0xDD, 0xDD, 0xDD, 0xC3, 0xDF, 0xDD, 0xE3 }
};//通过取模软件获取
unsigned char code LedChar[] =
{
0xC0, 0xF9, 0xA4, 0xB0, 0x99,
0x92, 0x82, 0xF8, 0x80, 0x90
};//数码管真值表
//首先让点阵亮，其次数码管亮，最后小灯亮，按此次序1s转换一次
void main(void)
{
ENLED = 0;
//ADDR3 = 0;//u4使能
EA = 1;//中断总使能
TMOD = 0x01;//定时器0设置模式1
TH0 = 0xFC;
TL0 = 0x67;//设置定时器0的初值1ms
TR0 = 1;//启动定时器0
ET0 = 1;//定时器0的中断使能
while(1);//让程序停在此处
}
void interruptTimer0(void) interrupt 1
{
static char i = 0;//点阵行数
static char iLed = 0;//led
static long unsigned int secDig = 0;//数码管
static int sec = 0;
static char index = 0;
TH0 = 0xFC;
TL0 = 0x67;//设置定时器0的初值1ms
ADDR3 = 0;//u4使能
P0 = 0xFF;//显示消隐
switch (i)
{
case 0: ADDR3 = 0; ADDR2 = 0; ADDR1 = 0; ADDR0 = 0; P0 = iMage[index][i]; i++; break;
case 1: ADDR3 = 0; ADDR2 = 0; ADDR1 = 0; ADDR0 = 1; P0 = iMage[index][i]; i++; break;
case 2: ADDR3 = 0; ADDR2 = 0; ADDR1 = 1; ADDR0 = 0; P0 = iMage[index][i]; i++; break;
case 3: ADDR3 = 0; ADDR2 = 0; ADDR1 = 1; ADDR0 = 1; P0 = iMage[index][i]; i++; break;
case 4: ADDR3 = 0; ADDR2 = 1; ADDR1 = 0; ADDR0 = 0; P0 = iMage[index][i]; i++; break;
case 5: ADDR3 = 0; ADDR2 = 1; ADDR1 = 0; ADDR0 = 1; P0 = iMage[index][i]; i++; break;
case 6: ADDR3 = 0; ADDR2 = 1; ADDR1 = 1; ADDR0 = 0; P0 = iMage[index][i]; i++; break;
case 7: ADDR3 = 0; ADDR2 = 1; ADDR1 = 1; ADDR0 = 1; P0 = iMage[index][i]; i++; break;
case 8: ADDR3 = 1; ADDR2 = 0; ADDR1 = 0; ADDR0 = 0; P0 = LedChar[secDig % 10]; i++; break;
case 9: if (secDig < 10); else {ADDR3 = 1; ADDR2 = 0; ADDR1 = 0; ADDR0 = 1; P0 = LedChar[secDig / 10 % 10];} i++; break;
case 10: if (secDig < 100); else {ADDR3 = 1; ADDR2 = 0; ADDR1 = 1; ADDR0 = 0; P0 = LedChar[secDig / 100 % 10];} i++; break;
case 11: if (secDig < 1000); else {ADDR3 = 1; ADDR2 = 0; ADDR1 = 1; ADDR0 = 1; P0 = LedChar[secDig / 1000 % 10];} i++; break;
case 12: if (secDig < 10000); else {ADDR3 = 1; ADDR2 = 1; ADDR1 = 0; ADDR0 = 0; P0 = LedChar[secDig / 10000 % 10];} i++; break;
case 13: if (secDig < 100000); else {ADDR3 = 1; ADDR2 = 1; ADDR1 = 0; ADDR0 = 1; P0 = LedChar[secDig / 100000 % 10];} i++; break;
case 14: ADDR3 = 1; ADDR2 = 1; ADDR1 = 1; ADDR0 = 0; P0 = ~(1 << iLed); i = 0; break;
default: break;
}
sec++;
if (sec > 1000)
{
index++;
iLed++;
secDig++;
sec = 0;
}
if (index > 9)
index = 0;
if (8 == iLed)
iLed = 0;
}
官方答案
#include <reg52.h>
sbit ADDR0 = P1^0;
sbit ADDR1 = P1^1;
sbit ADDR2 = P1^2;
sbit ADDR3 = P1^3;
sbit ENLED = P1^4;
void main()
{
EA = 1; //使能总中断
ENLED = 0; //使能LED
TMOD = 0x01; //设置T0为模式1
TH0 = 0xFC; //为T0赋初值0xFC67，定时1ms
TL0 = 0x67;
ET0 = 1; //使能T0中断
TR0 = 1; //启动T0
while (1);
}
/* 定时器0中断服务函数 */
void InterruptTimer0() interrupt 1
{
static unsigned char i = 0; //动态扫描的索引
TH0 = 0xFC; //重新加载初值
TL0 = 0x67;
//以下代码完成LED点阵动态扫描刷新
P0 = 0xFF; //显示消隐
switch (i)
{
//点阵LED部分
case 0: ADDR3 = 0; ADDR2=0; ADDR1=0; ADDR0=0; i++; P0=0; break;
case 1: ADDR3 = 0; ADDR2=0; ADDR1=0; ADDR0=1; i++; P0=0; break;
case 2: ADDR3 = 0; ADDR2=0; ADDR1=1; ADDR0=0; i++; P0=0; break;
case 3: ADDR3 = 0; ADDR2=0; ADDR1=1; ADDR0=1; i++; P0=0; break;
case 4: ADDR3 = 0; ADDR2=1; ADDR1=0; ADDR0=0; i++; P0=0; break;
case 5: ADDR3 = 0; ADDR2=1; ADDR1=0; ADDR0=1; i++; P0=0; break;
case 6: ADDR3 = 0; ADDR2=1; ADDR1=1; ADDR0=0; i++; P0=0; break;
case 7: ADDR3 = 0; ADDR2=1; ADDR1=1; ADDR0=1; i++; P0=0; break;
//数码管部分
case 8: ADDR3 = 1; ADDR2=0; ADDR1=0; ADDR0=0; i++; P0=0; break;
case 9: ADDR3 = 1; ADDR2=0; ADDR1=0; ADDR0=1; i++; P0=0; break;
case 10: ADDR3 = 1; ADDR2=0; ADDR1=1; ADDR0=0; i++; P0=0; break;
case 11: ADDR3 = 1; ADDR2=0; ADDR1=1; ADDR0=1; i++; P0=0; break;
case 12: ADDR3 = 1; ADDR2=1; ADDR1=0; ADDR0=0; i++; P0=0; break;
case 13: ADDR3 = 1; ADDR2=1; ADDR1=0; ADDR0=1; i++; P0=0; break;
//独立LED部分
case 14: ADDR3 = 1; ADDR2=1; ADDR1=1; ADDR0=0; i=0; P0=0; break;
default: break;
}
}
本文来自博客园，作者：EricsT，转载请注明原文链接：https://www.cnblogs.com/EricsT/p/19009804
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