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走馬燈程序設計完整版
單片機仿真原理圖：
單片機源程序：
- #include <REG52.H>
- unsigned char RunMode;
- //**********************************System Fuction*************************************************
- void Delay1ms(unsigned int count)
- {
- unsigned int i,j;
- for(i=0;i<count;i++)
- for(j=0;j<120;j++);
- }
- unsigned char code LEDDisplayCode[] = { 0xC0,0xF9,0xA4,0xB0,0x99,0x92,0x82,0xF8, //0~7
- 0x80,0x90,0x88,0x83,0xC6,0xA1,0x86,0x8E,0xFF};
- void Display(unsigned char Value)
- {
- P3 = LEDDisplayCode[Value];
- }
- void LEDFlash(unsigned char Count)
- {
- unsigned char i;
- bit Flag;
- for(i = 0; i<Count;i++)
- {
- Flag = !Flag;
- if(Flag)
- Display(RunMode);
- else
- Display(0x10);
- Delay1ms(100);
- }
- Display(RunMode);
- }
- unsigned char GetKey(void)
- {
- unsigned char KeyTemp,CheckValue,Key = 0x00;
- CheckValue = P2&0x32;
- if(CheckValue==0x32)
- return 0x00;
-
- Delay1ms(10);
- KeyTemp = P2&0x32;
- if(KeyTemp==CheckValue)
- return 0x00;
- if(!(CheckValue&0x02))
- Key|=0x01;
- if(!(CheckValue&0x10))
- Key|=0x02;
- if(!(CheckValue&0x20))
- Key|=0x04;
- return Key;
- }
- unsigned int TimerCount,SystemSpeed,SystemSpeedIndex;
- void InitialTimer2(void)
- {
- T2CON = 0x00; //16 Bit Auto-Reload Mode
- TH2 = RCAP2H = 0xFC; //重裝值,初始值 TL2 = RCAP2L = 0x18;
- ET2=1; //定時器 2 中斷允許
- TR2 = 1; //定時器 2 啟動
- EA=1;
- }
- unsigned int code SpeedCode[]={ 1, 2, 3, 5, 8, 10, 14, 17, 20, 30,
- 40, 50, 60, 70, 80, 90, 100, 120, 140, 160,
- 180, 200, 300, 400, 500, 600, 700, 800, 900,1000};//30
- void SetSpeed(unsigned char Speed)
- {
- SystemSpeed =SpeedCode[Speed];
- }
- void LEDShow(unsigned int LEDStatus)
- {
- P1 = ~(LEDStatus&0x00FF);
- P0 = ~((LEDStatus>>8)&0x00FF);
- }
- void InitialCPU(void)
- {
- RunMode = 0x00;
- TimerCount = 0;
- SystemSpeedIndex = 10;
- P1 = 0x00;
- P0 = 0x00;
- P2 = 0xFF;
- P3 = 0x00;
- Delay1ms(500);
- P1 = 0xFF;
- P0 = 0xFF;
- P2 = 0xFF;
- P3 = 0xFF;
- SetSpeed(SystemSpeedIndex);
- Display(RunMode);
- }
- //Mode 0
- unsigned int LEDIndex = 0;
- bit LEDDirection = 1,LEDFlag = 1;
- void Mode_0(void)
- {
- LEDShow(0x0001<<LEDIndex);
- LEDIndex = (LEDIndex+1)%16;
- }
- //Mode 1
- void Mode_1(void)
- {
- LEDShow(0x8000>>LEDIndex);
- LEDIndex = (LEDIndex+1)%16;
- }
- //Mode 2
- void Mode_2(void)
- {
- if(LEDDirection)
- LEDShow(0x0001<<LEDIndex);
- else
- LEDShow(0x8000>>LEDIndex);
- if(LEDIndex==15)
- LEDDirection = !LEDDirection;
- LEDIndex = (LEDIndex+1)%16;
- }
- //Mode 3
- void Mode_3(void)
- {
- if(LEDDirection)
- LEDShow(~(0x0001<<LEDIndex));
- else
- LEDShow(~(0x8000>>LEDIndex));
- if(LEDIndex==15)
- LEDDirection = !LEDDirection;
- LEDIndex = (LEDIndex+1)%16;
- }
- //Mode 4
- void Mode_4(void)
- {
- if(LEDDirection)
- {
- if(LEDFlag)
- LEDShow(0xFFFE<<LEDIndex);
- else
- LEDShow(~(0x7FFF>>LEDIndex));
- }
- else
- {
- if(LEDFlag)
- LEDShow(0x7FFF>>LEDIndex);
- else
- LEDShow(~(0xFFFE<<LEDIndex));
- }
- if(LEDIndex==15)
- {
- LEDDirection = !LEDDirection;
- if(LEDDirection) LEDFlag = !LEDFlag;
- }
- LEDIndex = (LEDIndex+1)%16;
- }
- //Mode 5
- void Mode_5(void)
- {
- if(LEDDirection)
- LEDShow(0x000F<<LEDIndex);
- else
- LEDShow(0xF000>>LEDIndex);
- if(LEDIndex==15)
- LEDDirection = !LEDDirection;
- LEDIndex = (LEDIndex+1)%16;
- }
- //Mode 6
- void Mode_6(void)
- {
- if(LEDDirection)
- LEDShow(~(0x000F<<LEDIndex));
- else
- LEDShow(~(0xF000>>LEDIndex));
- if(LEDIndex==15)
- LEDDirection = !LEDDirection;
- LEDIndex = (LEDIndex+1)%16;
- }
- //Mode 7
- void Mode_7(void)
- {
- if(LEDDirection)
- LEDShow(0x003F<<LEDIndex);
- else
- LEDShow(0xFC00>>LEDIndex);
- if(LEDIndex==9)
- LEDDirection = !LEDDirection;
- LEDIndex = (LEDIndex+1)%10;
- }
- //Mode 8
- void Mode_8(void)
- {
- LEDShow(++LEDIndex);
- }
- void TimerEventRun(void)
- {
- if(RunMode==0x00)
- {
- Mode_0();
- }
- else if(RunMode ==0x01)
- {
- Mode_1();
- }
- else if(RunMode ==0x02)
- {
- Mode_2();
- }
- else if(RunMode ==0x03)
- {
- Mode_3();
- }
- else if(RunMode ==0x04)
- {
- Mode_4();
- }
- else if(RunMode ==0x05)
- {
- Mode_5();
- }
- else if(RunMode ==0x06)
- {
- Mode_6();
- }
- else if(RunMode ==0x07)
- {
- Mode_7();
- }
- else if(RunMode ==0x08)
- {
- Mode_8();
- }
- }
- void Timer2(void) interrupt 5 using 3
- {
- TF2 = 0; //中斷標志清除( Timer2 必須軟件清標志!)
- if(++TimerCount>=SystemSpeed)
- {
- TimerCount = 0;
- TimerEventRun();
- }
- }
- unsigned char MusicIndex = 0;
- void KeyDispose(unsigned char Key)
- {
- if(Key&0x01)
- {
- LEDDirection = 1;
- LEDIndex = 0;
- LEDFlag = 1;
- RunMode = (RunMode+1)%9;
- Display(RunMode);
- }
- if(Key&0x02)
- {
- if(SystemSpeedIndex>0)
- {
- --SystemSpeedIndex;
- SetSpeed(SystemSpeedIndex);
- }
- else
- {
- LEDFlash(6);
- }
- }
- if(Key&0x04)
- {
- if(SystemSpeedIndex<28)
- {
- ++SystemSpeedIndex;
- SetSpeed(SystemSpeedIndex);
- }
- else
- {
- LEDFlash(6);
- }
- }
- }
- //***********************************************************************************
- main()
- {
- unsigned char Key;
- InitialCPU();
- InitialTimer2();
- while(1)
- {
- Key = GetKey();
- …………限于本文篇幅 余下代碼請從51黑下載附件…………
完整資料下載：
走馬燈.zip
(105.52 KB, 下載次數: 39)
2017-5-8 22:43 上傳
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走馬燈程序設計完整版
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