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標(biāo)題: 51單片機(jī)電子時(shí)鐘Proteus仿真代碼 [打印本頁(yè)]

作者: good1230 時(shí)間: 2022-5-24 10:51
標(biāo)題: 51單片機(jī)電子時(shí)鐘Proteus仿真代碼
基于51單片機(jī)4鍵電子時(shí)鐘

//必要說(shuō)明，定時(shí)器中斷函數(shù)是經(jīng)過(guò)計(jì)算的50ms，但在使用Proteus仿真時(shí)時(shí)間不準(zhǔn)確。
//比實(shí)際表要快。對(duì)此不進(jìn)行調(diào)整，因?yàn)橹袛嗪瘮?shù)是經(jīng)過(guò)硬件檢驗(yàn)通過(guò)的。

單片機(jī)源程序如下:
#include <reg51.h> //包含必要頭文件
//定義按鍵
sbit HourAdjust = P1^0; //時(shí)調(diào)整選擇鍵
sbit MinuteAdjust = P1^1;  //分調(diào)整選擇鍵
sbit SecondAdjust = P1^2;  //秒選擇選擇鍵
sbit Adjust = P1^3; //調(diào)整鍵
//定義標(biāo)志位
bit SecondFlag = 0; //秒標(biāo)志
bit FlashFlag = 0; //秒閃標(biāo)志
bit Second10Flag = 0; //10秒標(biāo)志
bit HourAdjustFlag = 0; //時(shí)調(diào)整標(biāo)志，A鍵按下置1，10秒后清0
bit MinuteAdjustFlag = 0; //分調(diào)整標(biāo)志，A鍵按下置1，10秒后清0
bit SecondAdjustFlag = 0; //秒調(diào)整標(biāo)志，A鍵按下置1，10秒后清0

unsigned char Led1,Led2,Led3,Led4,Led5,Led6;  //定義緩存
int TimeCount,Second10Count; //定義計(jì)數(shù)器
unsigned char code LedTab[]=  //定義共陰極數(shù)碼管表，0x00用于清除顯示
{0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x00};
void Delay100us(int Times); //定義延時(shí)函數(shù)

//*****************************定時(shí)器中斷服務(wù)程序******************************r
//程序功能：動(dòng)態(tài)驅(qū)動(dòng)數(shù)碼管，同時(shí)完成定時(shí)功能。
void timer() interrupt 3 using 2
{
TR1 = 0;
TL1 = 0x13; TH1 = 0x2C; //重新賦值
P0 = 0x00; //顯示小時(shí)
P2 = 0xfe;
P0 = LedTab[Led1];
Delay100us(1);
P0 = 0x00;
P2 = 0xfd;
if(FlashFlag) //秒顯（1秒顯，1秒隱）分前小數(shù)點(diǎn)
  P0 = LedTab[Led2] | 0x80;
else
  P0 = LedTab[Led2] & 0x7f;
Delay100us(1);
P0 = 0x00; //顯示分
P2 = 0xfb;
P0 = LedTab[Led3];
Delay100us(1);
P0 = 0x00;
P2 = 0xf7;
if(FlashFlag) //秒顯秒前小數(shù)點(diǎn)
  P0 = LedTab[Led4] | 0x80;
else
  P0 = LedTab[Led4] & 0x7f;
Delay100us(1);
P0 = 0x00; //顯示秒
P2 = 0xef;
P0 = LedTab[Led5];
Delay100us(1);
P0 = 0x00;
P2 = 0xdf;
P0 = LedTab[Led6];
Delay100us(1);
TR1 = 1;

if(TimeCount < 100)  //秒計(jì)數(shù)器
  TimeCount++;
else
{
  TimeCount = 0x00;
  SecondFlag = 1;  //置位秒標(biāo)志
  if(Second10Flag) //10秒計(jì)數(shù)器
if(Second10Count < 20)
Second10Count++;
else
{
Second10Count = 0x00;  //10秒計(jì)數(shù)器清0
Second10Flag = 0; //清除10s標(biāo)志
HourAdjustFlag = 0; //清除調(diào)整標(biāo)志位
MinuteAdjustFlag = 0;
SecondAdjustFlag = 0;
}
}
}
//============================================================================
main(void)
{
//初始化
int Second = 30;  //初始化時(shí)間
int Minute = 12;
int Hour = 20;
Led1 = 0x00; //清除顯存
Led2 = 0x00;
Led3 = 0x00;
Led4 = 0x00;
Led5 = 0x00;
Led6 = 0x00;
SecondFlag = 0;
TimeCount = 0x00;
//設(shè)置定時(shí)器中斷
TMOD = 0x10f; //GATE=0          01010001
   //C/T=0－－定時(shí)/計(jì)數(shù)器1工作于定時(shí)方式
   //M1=1;M0=0－－選擇工作模式1，構(gòu)成最大定時(shí)器
   //T0:在此程序不使用
TL1 = 0x13; TH1 = 0x2C; //指定定時(shí)時(shí)間為50ms  65536-50/(11.0592/12)=11283=2C13h
EA = 1;    //開(kāi)總中斷
TF1 = 0;
ET1 = 1; //開(kāi)定時(shí)器中斷
TR1 = 1; //開(kāi)始計(jì)時(shí)
while(1)
{
//*****************************************************************************
//對(duì)時(shí)間進(jìn)行調(diào)整程序
  if(SecondFlag)
  {
if(Second%2 == 0)
FlashFlag = 1;
else
FlashFlag = 0;
if(Second < 59)
Second++;
else
{
if(Minute < 59)
   Minute++;
else
{
   if(Hour < 23)
   Hour++;
   else
   Hour = 0;
   Minute = 0;
}
Second = 0;
}
  SecondFlag = 0;
  }
//-----------------------------------------------------------------------------
//*****************************************************************************
//時(shí)間調(diào)整程序
  if(HourAdjustFlag) //調(diào)整時(shí)程序
if(Second10Flag)
if(FlashFlag)  //時(shí)秒顯
{
   Led1 = 0x0a; //時(shí)隱
   Led2 = 0x0a;
}
else
{
   Led1 = Hour/10; //時(shí)顯
   Led2 = Hour%10;
}
else
{
Led1 = Hour/10;
Led2 = Hour%10;
}
  else
  {
Led1 = Hour/10;
Led2 = Hour%10;
  }
  if(MinuteAdjustFlag)  //調(diào)整分程序
if(Second10Flag)
if(FlashFlag)  //分秒顯
{
   Led3 = 0x0a;
   Led4 = 0x0a;
}
else
{
   Led3 = Minute/10;
   Led4 = Minute%10;
}
else
{
Led3 = Minute/10;
Led4 = Minute%10;
}
  else
  {
Led3 = Minute/10;
Led4 = Minute%10;
  }
  if(SecondAdjustFlag)  //調(diào)整秒程序，控制秒顯
if(Second10Flag)
if(FlashFlag)
{
   Led5 = 0x0a;
   Led6 = 0x0a;
}
else
{
   Led5 = Second/10;
   Led6 = Second%10;
}
else
{
Led5 = Second/10;
Led6 = Second%10;
}
  else
  {
Led5 = Second/10;
Led6 = Second%10;
  }

  if(!HourAdjust) //時(shí)調(diào)整按鍵按下
  {
while(!HourAdjust);  //等待松開(kāi)
HourAdjustFlag = 1;  //置位時(shí)標(biāo)志位
MinuteAdjustFlag = 0; //清除分標(biāo)志位
SecondAdjustFlag = 0; //清除秒標(biāo)志位
Second10Flag = 1;  //置位10秒標(biāo)志位
  }
  if(!MinuteAdjust) //分調(diào)整鍵按下
  {
while(!MinuteAdjust);
MinuteAdjustFlag = 1;
HourAdjustFlag = 0;
SecondAdjustFlag = 0;
Second10Flag = 1;
  }
  if(!SecondAdjust) //秒調(diào)整鍵按下
  {
while(!SecondAdjust);
SecondAdjustFlag = 1;
HourAdjustFlag = 0;
MinuteAdjustFlag = 0;
Second10Flag = 1;
  }
  if(!Adjust)    //調(diào)整鍵按下
  {
while(!Adjust);
if(HourAdjustFlag)  //調(diào)整時(shí)，加1
if(Hour < 23)
{
   Hour++;
   Second10Count = 0;
}
else
   Hour = 0;
if(MinuteAdjustFlag) //調(diào)整分，加1
if(Minute < 59)
{
   Minute++;
   Second10Count = 0;
}
else //調(diào)整秒，清零
   Minute = 0;
if(SecondAdjustFlag)
Second = 0;
  }
}
}
//********************************延時(shí)程序************************************
void Delay100us(int Times)
{
Times = Times * 100;
while(Times--);
}

Keil代碼與Proteus8.8仿真下載:

sz4鍵時(shí)鐘.7z (67.49 KB, 下載次數(shù): 27)

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