這次發帖也是因為剛借助51黑電子論壇里的資料完成一件洞洞板制作的作品。所以也想來賺點黑幣,我不是大神,只是個小白。附帶吧內大神資料,
程序名稱:六位數碼管時鐘表
編譯器:Keil uVision 4
程序功能:上電后,程序按初始時間開始時鐘演示,時間顯示按24小時制。
時間調整:按A鍵,顯示加1,按B鍵,顯示減1,按C鍵,清零
MCU:AT89C51
晶振:11.0592M
外圍部件:
鍵盤:4按鍵A、B、C、D分別接在P1.0、P1.1、P1.2和P1.3上,低電平有效
A、B、C鍵分別控制時、分、秒的選擇,D鍵銨下進行時間調整。
顯示:4位共陰極LED,P0口送顯示數據,P1口低四位位選
內部資源:
使用定時計數器1中斷,用于定時及顯示
警告:
1. 按鍵未加防抖動程序
2. 此程序經過編譯并通過Proteus仿真,未通過實物檢驗。
作者:花落水流紅,空寂蕭然山——蕭然
完成日期:/6/11
============================================================================*/
- #include <reg51.h> //包含必要頭文件
- //定義按鍵
- sbit HourAdjust = P1^0; //時調整選擇鍵
- sbit MinuteAdjust = P1^1; //分調整選擇鍵
- sbit SecondAdjust = P1^2; //秒選擇選擇鍵
- sbit Adjust = P1^3; //調整鍵
- //定義標志位
- bit SecondFlag = 0; //秒標志
- bit FlashFlag = 0; //秒閃標志
- bit Second10Flag = 0; //10秒標志
- bit HourAdjustFlag = 0; //時調整標志,A鍵按下置1,10秒后清0
- bit MinuteAdjustFlag = 0; //分調整標志,A鍵按下置1,10秒后清0
- bit SecondAdjustFlag = 0; //秒調整標志,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; //定義計數器
- unsigned char code LedTab[]= //定義共陰極數碼管表,0x00用于清除顯示
- {0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x00};
- void Delay100us(int Times); //定義延時函數
- //*****************************定時器中斷服務程序******************************r
- //程序功能:動態驅動數碼管,同時完成定時功能。
- void timer() interrupt 3 using 2
- {
- TR1 = 0;
- TL1 = 0x13; TH1 = 0x2C; //重新賦值
- P0 = 0x00; //顯示小時
- P2 = 0xfe;
- P0 = LedTab[Led1];
- Delay100us(1);
- P0 = 0x00;
- P2 = 0xfd;
- if(FlashFlag) //秒顯(1秒顯,1秒隱)分前小數點
- 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) //秒顯秒前小數點
- 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) //秒計數器
- TimeCount++;
- else
- {
- TimeCount = 0x00;
- SecondFlag = 1; //置位秒標志
- if(Second10Flag) //10秒計數器
- if(Second10Count < 20)
- Second10Count++;
- else
- {
- Second10Count = 0x00; //10秒計數器清0
- Second10Flag = 0; //清除10s標志
- HourAdjustFlag = 0; //清除調整標志位
- MinuteAdjustFlag = 0;
- SecondAdjustFlag = 0;
- }
- }
- }
- //============================================================================
- main(void)
- {
- //初始化
- int Second = 30; //初始化時間
- 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;
- //設置定時器中斷
- TMOD = 0x10f; //GATE=0 01010001
- //C/T=0--定時/計數器1工作于定時方式
- //M1=1;M0=0--選擇工作模式1,構成最大定時器
- //T0:在此程序不使用
- TL1 = 0x13; TH1 = 0x2C; //指定定時時間為50ms 65536-50/(11.0592/12)=11283=2C13h
- EA = 1; //開總中斷
- TF1 = 0;
- ET1 = 1; //開定時器中斷
- TR1 = 1; //開始計時
- while(1)
- {
- //*****************************************************************************
- //對時間進行調整程序
- 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;
- }
- //-----------------------------------------------------------------------------
- //*****************************************************************************
- //時間調整程序
- if(HourAdjustFlag) //調整時程序
- if(Second10Flag)
- if(FlashFlag) //時秒顯
- {
- Led1 = 0x0a; //時隱
- Led2 = 0x0a;
- }
- else
- {
- Led1 = Hour/10; //時顯
- Led2 = Hour%10;
- }
- else
- {
- Led1 = Hour/10;
- Led2 = Hour%10;
- }
- else
- {
- Led1 = Hour/10;
- Led2 = Hour%10;
- }
- if(MinuteAdjustFlag) //調整分程序
- 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) //時調整按鍵按下
- {
- while(!HourAdjust); //等待松開
- HourAdjustFlag = 1; //置位時標志位
- MinuteAdjustFlag = 0; //清除分標志位
- SecondAdjustFlag = 0; //清除秒標志位
- Second10Flag = 1; //置位10秒標志位
- }
- if(!MinuteAdjust) //分調整鍵按下
- {
- while(!MinuteAdjust);
- MinuteAdjustFlag = 1;
- HourAdjustFlag = 0;
- SecondAdjustFlag = 0;
- Second10Flag = 1;
- }
- if(!SecondAdjust) //秒調整鍵按下
- {
- while(!SecondAdjust);
- SecondAdjustFlag = 1;
- HourAdjustFlag = 0;
- MinuteAdjustFlag = 0;
- Second10Flag = 1;
- }
- if(!Adjust) //調整鍵按下
- {
- while(!Adjust);
- if(HourAdjustFlag) //調整時,加1
- if(Hour < 23)
- {
- Hour++;
- Second10Count = 0;
- }
- else
- Hour = 0;
- if(MinuteAdjustFlag) //調整分,加1
- if(Minute < 59)
- {
- Minute++;
- Second10Count = 0;
- }
- else //調整秒,清零
- Minute = 0;
- if(SecondAdjustFlag)
- Second = 0;
- }
- }
- }
- //********************************延時程序************************************
- void Delay100us(int Times)
- {
- Times = Times * 100;
- while(Times--);
- }
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