单片机:K1 K2控制流水灯0 1定时开关 K3 K4控制流水灯5 6定时开关 同时两个定时
作者:互联网
#include <reg51.h> #define uchar unsigned char #define uint unsigned int sbit led1=P1^0; sbit led2=P1^1; sbit led3=P1^6; sbit led4=P1^7; sbit key1=P3^2; sbit key2=P3^3; sbit key3=P3^4; sbit key4=P3^5; uchar num0,num1; void init() { TMOD=0x11; TH0=0X2C; TL0=0X00; TH1=0X3C; TL1=0X00; EA=1; //开总中断 ET0=1; //开定时器0中断 ET1=1; TR1=0; TR0=0; //启动定时器0 } void keyscan() { if(key1==0) //如果按键1 { TR0=1; } if(key2==0) // ??? { TR0=0; } if(key3==0) // ??? { TR1=1; } if (key4==0) // ??? { TR1=0; } } void main() { init(); while(1) { if(num0==20) { led1=~led1; //让发光管状态取反 led2=~led2; //让发光管状态取反 num0=0; } else {if(num1==20) { led3=~led3; //让发光管状态取反 led4=~led4; //让发光管状态取反 num1=0; } } } } void T0_time()interrupt 1 { TR0=0; TH0=0X2C; TL0=0X00; TR0=1; num0++; } void T1_time()interrupt 3 { TR1=0; TH1=0X3C; TL1=0X00; TR1=1; num1++; }
标签:void,TR1,发光管,取反,定时开关,K2,流水,sbit,TR0 来源: https://www.cnblogs.com/xkdn/p/15089165.html