51单片机花样呼吸灯程序.docx

#include /*-定义单片机引脚-*/ sbit LED0=P10; sbit LED1=P11; sbit LED2=P12; sbit LED3=P13; sbit LED4=P14; sbit LED5=P15; sbit LED6=P16; sbit LED7=P17; void Delay(unsigned int t); /函数声明 unsigned int z,y; void main (void)/主函数 unsigned int CYCLE=1000,PWM_LOW=0;/定义周期并赋值 while (1) /主循环 /*-整排LED灯呼吸-*/ P1=0x00;Delay(1000); /加延时，可以看到熄灭的过程（下面程序同理） for(PWM_LOW=1;PWM_LOW0;PWM_LOW-) /与逐渐变亮相反的过程 P1=0x00; /点亮LED Delay(PWM_LOW); P1=0xff; /熄灭LED Delay(CYCLE-PWM_LOW); /主循环中添加其他需要一直工作的程序，延时长度，600次循环中从599减至1 /*-第一颗LED灯呼吸-*/ /*LED0=1; Delay(1000); for(PWM_LOW=1;PWM_LOW0;PWM_LOW-) LED0=0; Delay(PWM_LOW); LED0=1;Delay(CYCLE-PWM_LOW); /*-第二颗LED灯呼吸-*/ /*LED1=1; Delay(500); for(PWM_LOW=1;PWM_LOW0;PWM_LOW-) LED1=0; Delay(PWM_LOW); LED1=1; Delay(CYCLE-PWM_LOW); /*-第三颗LED灯呼吸-*/ /*LED2=1; Delay(500); for(PWM_LOW=1;PWM_LOW0;PWM_LOW-) LED2=0; Delay(PWM_LOW); LED2=1; Delay(CYCLE-PWM_LOW); /*-第四颗LED灯呼吸-*/*LED3=1; Delay(500); for(PWM_LOW=1;PWM_LOW0;PWM_LOW-) LED3=0; Delay(PWM_LOW); LED3=1; Delay(CYCLE-PWM_LOW); /*-第五颗LED灯呼吸-*/ /*LED4=1; Delay(500); for(PWM_LOW=1;PWM_LOW0;PWM_LOW-) LED4=0; Delay(PWM_LOW); LED4=1; Delay(CYCLE-PWM_LOW); /*-第六颗LED灯呼吸-*/ /*LED5=1;Delay(500); for(PWM_LOW=1;PWM_LOW0;PWM_LOW-) LED5=0; Delay(PWM_LOW); LED5=1; Delay(CYCLE-PWM_LOW); /*-第七颗LED灯呼吸-*/ /*LED6=1; Delay(500); for(PWM_LOW=1;PWM_LOW0;PWM_LOW-) LED6=0; Delay(PWM_LOW); LED6=1; Delay(CYCLE-PWM_LOW); /*-第八颗LED灯呼吸-*/ /*LED7=1; Delay(500); for(PWM_LOW=1;PWM_LOW0;PWM_LOW-) LED7=0; Delay(PWM_LOW); LED7=1; Delay(CYCLE-PWM_LOW); /*P1=0x00; for(z=500;z0;z-) for(y=110;y0;y-); P1=0xff; for(z=500;z0;z-) for(y=110;y0;y-); P1=0x00; for(z=500;z0;z-) for(y=110;y0;y-);