51單片機(jī)花樣呼吸燈程序

1、/*定義單片機(jī)引腳/#in cludeo sbit LED0=P1A0;sbit LED1=P1A1;sbit LED2=P1A2;sbit LED3=P1A3;sbit LED4=P1A4;sbit LED5=P1A5;sbit LED6=P1A6;sbit LED7=P1A7;void Delay(unsigned int t); /函數(shù)步朗unsigned int z,y;void main (void)/主函教unsigned int CYCLE=1000,PWM_LOW=0;/定義周期并賦值while (1) / i循環(huán)(r- LED燈呼吸-*/P1=0 x00;Delay(1000

2、);加延時(shí)，可以看到熄滅的過程(下面程序同理)for(PWM_LOW=1 ;PWM_LOW0;PWM_LOW一)與 /逐/ 漸變亮相反的過程P1=0 x00; /點(diǎn)亮LED Delay(PWM_LOW);P1=0 xff;/熄滅LEDDelay(CYCLE-PWM_LOW);主循環(huán)中添加其他需要一直工作的程序，延肘長度,循環(huán)中從599減至1/*第一顆LED燈呼吸-7/* LED0=1; Delay(1000);for(PWM_LOW=1;PWM_LOW0;PWM_LOW-) LED0=0;Delay(PWM_LOW);600次/*定義單片機(jī)引腳/LED0=1;第二顆LED燈呼吸-Delay(5

3、00);for(PWM_LOW=1 ;PWM_LOWCYCLE;PWM_LOW+) 0;PWM_LOW-)(LED1=0;Delay(PWM_LOW);LED1=1;Delay(CYCLE-PWM_LOW);/*第三顆LED燈呼吸-7Delay(500); for(PWM_LOW=1 ;PWM_LOW0;PWM_LOW-) LED2=0;Delay(PWM_LOW);LED2=1;Delay(CYCLE-PWM_LOW);/*-第四顆LED燈呼雙- */Delay(500); for(PWM_LOW=1 ;PWM_LOW0;PWM_LOW-)(LED3=0;Delay(PWM_LOW);LED

4、3=1;/* LED1=1;/* LED2=1;/* LED3=1;Delay(CYCLE-PWM_LOW);Delay(500); for(PWM_LOW=1 ;PWM_LOWCYCLE;PWM_LOW+) 0;PWM_LOW-) LED4=0;Delay(PWM_LOW);LED4=1;Delay(CYCLE-PWM_LOW);/*第六顆LED燈呼雙-7Delay(500); for(PWM_LOW=1 ;PWM_LOW0;PWM_LOW-) LED5=0;Delay(PWM_LOW);LED5=1;Delay(CYCLE-PWM_LOW);/*第七顆LED燈呼雙-7Delay(500); for(PWM_LOW=1 ;PWM_LOWCYCLE;PWM_LOW+) 0;PWM_LOW-)(LED6=0;Delay(PWM_LOW);LED6=1;Delay(CYCLE-PWM_LOW);/*第入顆LED燈呼雙-7Delay(500); for(PWM_LOW=1 ;PWM_LOWCYCLE;PWM_LOW+) 0;PWM_LOW-) 0;z-)for(y=110;y0;y-);P1=0 xff;for(z=500;z0;z-)for(y=110;y0;y-);P1=OxOO;for(z=500;z0;z-)for(y=110;y0;y-);P1=