51單片機的七彩LED燈漸變調光調色程序

1、51單片機的七彩LED丁漸變調光調色程序/Main.c/Copyright(C)2013ShenyangJYXD./WENBORUI/Toolchain:KEILFull'c'/#pragmaCDOEDBSB/Compilationdirectives#include;#include;#defineucharunsignedchar#defineuintunsignedintuintPeriod;/Period刷新周期uintPWM;uintPulse;/脈沖個數(shù)ucharSpeed;/速度變量ucharcount;uintexcount;bitGra;/漸變/跳變總控制位b

2、itGra7;/七彩漸亮漸滅控制位bitGra3;/紅綠藍漸亮漸滅控制位bitBP;/亮到暗，暗到亮轉換位bitLEDdelay;/LED定時到標志位sbitkeyl=P3A1;/花樣組合鍵1sbitkey2=P3A0;/花樣組合鍵2sbitkey3=P3A5;/速度組合鍵1sbitkey4=P3A4;/速度組合鍵2ucharIed112=0x10,0x030,0x20,0x60,0x40,0x50,0x70,0x50,0x40,0x60,0x20,0x30;/紅、黃、綠、青、藍、粉、白、粉、藍、青、綠、黃ucharled224=0x10,0x00,0x30,0x00,0x20,0x00,0x

3、60,0x00,0x40,0x00,0x50,0x00,0x70,0x00,0x50,0x00,0x40,0x00,0x60,0x00,0x20,0x00,0x30,0x00;ucharled33=0x10,0x20,0x40;/紅、綠、藍ucharledcount,ledcount1;*/以下定義函數(shù)/1毫秒延時函數(shù)delayms();花樣及速度掃描函數(shù)keyscan();/*/*voiddelayms(unsignedintms)unsignedchari;while(ms-)(for(i=0;i;跳變無滅燈過程voidPattern2();/花樣2函數(shù)>跳變有滅燈過程voidPat

4、tern34();voidkeyscan()(if(key4=1)&&(key3=1)Speed=20;Period=25;/預設4種速度200Msif(key4=0)&&(key3=1)Speed=50;Period=50;/500MSif(key4=1)&&(key3=0)Speed=100;Period=100;/1Sif(key4=0)&&(key3=0)Speed=150;Period=200;/1.5Sif(key2=1)&&(key1=1)ledcountl=0;Pattern1();/預設4種花樣i

5、f(key2=0)&&(key1=1)ledcount1=0;Pattern2();if(key2=1)&&(key1=0)ledcount=0;Gra3=1;Pattern34();if(key2=0)&&(key1=0)ledcount=0;Gra7=1;Pattern34();voidvalue()if(Speed=20)PWM=Pulse*8;if(Speed=50)PWM=Pulse*4;/脈沖個數(shù)if(Speed=100)PWM=Pulse*2;if(Speed=150)PWM=Pulse;voidReset(void)unsigne

6、dcharcoderst=0xe4,0xc0,0xe0,0xc0,0xe0,0x32;(*(void(*)(void)(rst)();voidmain()_nop_();_nop_();_nop_();P1=0;TMOD=0x11;/11.0592M晶振的10ms定時初值(100分之一秒)TH0=0x0db;TL0=0x0ff;TH1=0x0ff;/0.05ms(20000分之一秒)TL1=0x0D1;EA=1;/開啟總中斷允許ET0=1;/允許T0定時器中斷ET1=1;/允許T1定時器中斷TR0=1;/開啟T0定時器EX0=1;/開外部中斷0IT0=1;/下降沿觸發(fā)while(1)(keys

7、can();)*/Pattern1()花樣函數(shù)1跳變無滅燈過程/*voidPattern1()(/keyscan();Gra=0;/跳變位=0if(LEDdelay)(LEDdelay=0;P1=led1ledcount;ledcount+;if(ledcount>11)(ledcount=0;*跳變有滅燈過/Pattern2()花樣函數(shù)2程/*voidPattern2()(/keyscan();Gra=0;if(LEDdelay)(LEDdelay=0;P1=led2ledcount;ledcount+;if(ledcount>23)(ledcount=0;*/Pattern3(

8、)花樣函數(shù)33彩漸變/*/*voidPattern3()(keyscan();if(Speed=20)Period=25;if(Speed=50)Period=50;if(Speed=100)Period=100;if(Speed=150)Period=200;Gra=1;Gra3=1;*/*彩漸變/Pattern4()花樣函數(shù)47/*voidPattern34()Gra=1;/漸變位=1/*/定時器0中斷服務程序*/voidtime0(void)interrupt1(TR1=0;TF0=0;TH0=0xdb;/重新寫入初值TL0=0xff;if(!Gra)/執(zhí)行跳變程序(count+;if(

9、count>Speed)(LEDdelay=1;count=0;if(Gra)TR1=1;/開啟TR1;if(!BP)/(if(Gra7)(P1=led1ledcount1;/10ms至L亮相應的LED)if(Gra3)(P1=led3ledcount1;/10ms至L亮相應的LEDPulse+;value();if(Pulse>=Period)(Pulse=Period;BP=1;/一個周期完成轉換模式)if(BP)(if(Gra7)P1=led1ledcount1;/10ms至L亮相應的LED)if(Gra3)(P1=led3ledcount1;/10ms至L亮相應的LED)value();Pulse-;/脈沖個數(shù)if(Pulse=0)Pulse=0;BP=0;/一個周期完成轉換模式ledcount1+;if(Gra7)(if(ledcount1>11)(ledcount1=0;Gra7=0;if(Gra3)(if(ledcount1>2)(ledcountl=0;)Gra3=0;/*/定時器1中斷服務程序/*voidtimer1()interrupt3(PWM-;TH1=0xff;/0.05ms(20000分之一秒)T