单片机仿真 甲机通过串口控制乙机LED闪烁.rar

/*************** writer:shopping.w ******************/ #include <reg52.h> #define uint unsigned int #define uchar unsigned char sbit LED1 = P0^0; sbit LED2 = P0^3; sbit K1 = P1^0; void Delay(uint x) { uchar i; while(x--) { for(i=0;i<120;i++); } } void putc_to_SerialPort(uchar c) { SBUF = c; while(TI == 0); TI = 0; } void main() { uchar Operation_NO = 0; SCON = 0x40; TMOD = 0x20; PCON = 0x00; TH1 = 0xfd; TL1 = 0xfd; TI = 0; TR1 = 1; while(1) { if(K1 == 0) { while(K1==0); Operation_NO=(Operation_NO+1)%4; } switch(Operation_NO) { case 0: LED1=LED2=1; break; case 1: putc_to_SerialPort('A'); LED1=~LED1;LED2=1;break; case 2: putc_to_SerialPort('B'); LED2=~LED2;LED1=1;break; case 3: putc_to_SerialPort('C'); LED1=~LED1;LED2=LED1;break; } Delay(10); } }