走马灯仿真图和程序

Key = GetKey(); if(Key!=0x00) {
KeyDispose(Key); } } }
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黄河水利学院
走马灯仿真图和程序
//***********************主***控****程********序**************** //************************************************************** //***************程序完成于 2013 年 07 月 17 日******************** //***************程序员：李大猛********************************* //**********黄河水利职业技术学院自动化系电信工程**************** //**************************************************************
else LEDShow(~(0xF000>>LEDIndex));
if(LEDIndex==15) LEDDirection = !LEDDirection;
LEDIndex = (LEDIndex+1)%16; }
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黄河水利学院
//Mode 7 void Mode_7(void) {
if(LEDDirection) LEDShow(0x003F<<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);
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黄河水利学院
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)
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黄河水利学院
return Key; }
unsigned int TimerCount,SystemSpeed,SystemSpeedIndex;
void InitialTimer2(void)
{
T2CON = 0x00; TH2 = RCAP2H = 0xFC; ET2=1;
//16 Bit Auto-Reload Mode //重装值,初始值 TL2 = RCAP2L = 0x18; //定时器 2 中断允许
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)
if(LEDDirection)
4
黄河水利学院
{ if(LEDFlag) LEDShow(0xFFFE<<LEDIndex); else LEDShow(~(0x7FFF>>LEDIndex));
} else {
if(LEDFlag) LEDShow(0x7FFF>>LEDIndex);
else LEDShow(~(0xFFFE<<LEDIndex));
LEDShow(~(0x0001<<LEDIndex)); else
LEDShow(~(0x8000>>LEDIndex)); if(LEDIndex==15)
LEDDirection = !LEDDirection; LEDIndex = (LEDIndex+1)%16; }
//Mode 4 void Mode_4(void) {
--SystemSpeedIndex; SetSpeed(SystemSpeedIndex); } else {
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黄河水利学院
LEDFlash(6); } } if(Key&0x04) { if(SystemSpeedIndex<28) {
++SystemSpeedIndex; SetSpeed(SystemSpeedIndex); } else { LEDFlash(6); } } }
0x80,0x90,0x百度文库8,0x83,0xC6,0xA1,0x86,0x8E,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++) {
#include <REG52.H> unsigned char RunMode; //**********************************System Fuction************************************************* void Delay1ms(unsigned int count) {
void SetSpeed(unsigned char Speed) {
SystemSpeed =SpeedCode[Speed]; }
void LEDShow(unsigned int LEDStatus) {
P1 = ~(LEDStatus&0x00FF); P0 = ~((LEDStatus>>8)&0x00FF); }
//************************************************************************* **********
main() {
unsigned char Key; InitialCPU(); InitialTimer2();
while(1) {
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;
TR2 = 1;
//定时器 2 启动
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
else LEDShow(0xFC00>>LEDIndex);
if(LEDIndex==9) LEDDirection = !LEDDirection;
LEDIndex = (LEDIndex+1)%10; }
//Mode 8 void Mode_8(void) {
LEDShow(++LEDIndex); }
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) {
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);
unsigned int i,j; for(i=0;i<count;i++) for(j=0;j<120;j++); }
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黄河水利学院
unsigned char code LEDDisplayCode[] = { 0xC0,0xF9,0xA4,0xB0,0x99,0x92,0x82,0xF8, //0~7
LEDShow(0x0001<<LEDIndex); else
LEDShow(0x8000>>LEDIndex); if(LEDIndex==15)
LEDDirection = !LEDDirection; LEDIndex = (LEDIndex+1)%16; } //Mode 3 void Mode_3(void) { if(LEDDirection)
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_7(); } else if(RunMode ==0x08) {
Mode_8(); } }
void Timer2(void) interrupt 5 using 3 {
TF2 = 0; //中断标志清除( Timer2 必须软件清标志!) if(++TimerCount>=SystemSpeed) {
Mode_3(); } else if(RunMode ==0x04) {
Mode_4(); } else if(RunMode ==0x05) {
Mode_5();
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黄河水利学院
} else if(RunMode ==0x06) {
Mode_6(); } else if(RunMode ==0x07) {
else LEDShow(0xF000>>LEDIndex);
if(LEDIndex==15) LEDDirection = !LEDDirection;
LEDIndex = (LEDIndex+1)%16; }
//Mode 6 void Mode_6(void) {
if(LEDDirection) LEDShow(~(0x000F<<LEDIndex));