51单片机花样呼吸灯程序

1、/* 整排LED灯呼吸*/#include<reg52、h> /* 定义单片机引脚 */ sbit LEDO=PMO;sbit LED1= PIT;sbit LED2=P 1人2;sbit LED3=P 1人3;sbit LED4=P 1人4;sbit LED5=P 1人5;sbit LED6=P 1人6;sbit LED7=P 1人7;void Delay(unsigned int t); / 函数声明unsigned int z,y; void main (void)/ 主函数unsigned int CYCLE=1OOO, PWM_LOW=0;/定义周期并赋值while (1

2、)/主循环Delay(1OOO);LEDO=O;P1=OxOO;Delay(1OOO);/ 加延时 ,可以瞧到熄灭得过程 (下面程序同理 )for(PWM_LOW=1;PWM_LOW<CYCLE;PWM_LOW+) /PWM_LOW 表示低 P1=OxOO;Delay(PWM_LOW);P1=Oxff;Delay(CYCLEPWM_LOW);P1=Oxff;for(PWM_LOW=CYCLE1;PWM_LOW>O;PWM_LOW) /与逐渐变亮相反得过程P1=OxOO;/ 点亮 LEDDelay(PWM_LOW);P1=Oxff;/熄灭 LEDDelay(CYCLEPWM_LOW)

3、; /主循环中添加其她需要一直工作得程序,延时长度 ,6OO 次循环中从599 减至 1/*第一颗LED灯呼吸*/*LEDO=1;for(PWM_LOW=1;PWM_LOW<CYCLE;PWM_LOW+)Delay(PWM_LOW);LEDO=1;Delay(CYCLEPWM_LOW);for(PWM_LOW=CYCLE1;PWM_LOW>0;PWM_LOW)LED0=0;LED0=0;Delay(PWM_LOW);LED0=1;Delay(CYCLEPWM_LOW);/*/*第二颗LED灯呼吸*/LED1=1;Delay(500);for(PWM_LOW=1;PWM_LOW<

4、;CYCLE;PWM_LOW+)LED1=0;Delay(PWM_LOW);LED1=1;Delay(CYCLEPWM_LOW);LED1=0;for(PWM_LOW=CYCLE1;PWM_LOW>0;PWM_LOW)LED1=0;Delay(PWM_LOW);LED1=1;Delay(CYCLEPWM_LOW);/*/*第三颗LED灯呼吸*/LED2=1;Delay(500);for(PWM_LOW=1;PWM_LOW<CYCLE;PWM_LOW+) LED2=0;Delay(PWM_LOW);LED2=1;Delay(CYCLEPWM_LOW);LED2=0;for(PWM_L

5、OW=CYCLE1;PWM_LOW>0;PWM_LOW)Delay(PWM_LOW);LED2=0;LED2=1;Delay(CYCLEPWM_LOW);for(PWM_LOW=1;PWM_LOW<CYCLE;PWM_LOW+)/*/*/*/*第四颗LED灯呼吸*/LED3=1;Delay(500);LED3=0;Delay(PWM_LOW);LED3=1;Delay(CYCLEPWM_LOW);LED3=0;for(PWM_LOW=CYCLE1;PWM_LOW>0;PWM_LOW)LED3=0;Delay(PWM_LOW);LED3=1;Delay(CYCLEPWM_LOW

6、);/*第五颗LED灯呼吸*/LED4=1;Delay(500);for(PWM_LOW=1;PWM_LOW<CYCLE;PWM_LOW+)LED4=0;Delay(PWM_LOW);LED4=1;Delay(CYCLEPWM_LOW);LED4=0;for(PWM_LOW=CYCLE1;PWM_LOW>0;PWM_LOW) LED4=0;Delay(PWM_LOW);LED4=1;Delay(CYCLEPWM_LOW);/*第六颗LED灯呼吸*/LED5=1;for(PWM_LOW=1;PWM_LOW<CYCLE;PWM_LOW+) Delay(500);LED6=0;De

7、lay(PWM_LOW);for(PWM_LOW=CYCLE1;PWM_LOW>0;PWM_LOW)LED5=1;Delay(CYCLEPWM_LOW);LED5=0;LED5=0;Delay(PWM_LOW);LED5=1;Delay(CYCLEPWM_LOW);/*/*第七颗LED灯呼吸*/LED6=1;Delay(500);for(PWM_LOW=1;PWM_LOW<CYCLE;PWM_LOW+)LED6=0;Delay(PWM_LOW);LED6=1;Delay(CYCLEPWM_LOW);LED6=0;for(PWM_LOW=CYCLE1;PWM_LOW>0;PWM

8、_LOW)LED6=0;Delay(PWM_LOW);LED6=1;Delay(CYCLEPWM_LOW);/*/*第八颗LED灯呼吸*/LED7=1;Delay(500);for(PWM_LOW=1;PWM_LOW<CYCLE;PWM_LOW+)LED7=0;Delay(PWM_LOW);LED7=1;LED7=0;for(PWM_LOW=CYCLE1;PWM_LOW>0;PWM_LOW) Delay(CYCLEPWM_LOW);LED7=0;Delay(PWM_LOW);LED7=1;/*Delay(CYCLEPWM_LOW);P1=0x00;for(z=500;z>0;z) for(y=110;y>0;y);P1=0xff;for(z=500;z>0;z) for(y=110;y>0;y);P1=0