单片机C语言 时钟显示程序,用串行通信PC机调节时间程序?答:include <AT89X51.H> /*包含器件配置文件*/ define uchar unsigned char define uint unsigned int char DATA_7SEG[10]={0xC0,0xF9,0xA4,0xB0,0x99, 0x92,0x82,0xF8,0x80,0x90,};/*0~9的数码管段码*/ uchar hour=0,min=0,sec=0; /*时、分、秒单元清零*/ uchar deda=...
如果单片机P0口接一个共阳数码管,P2.0脚与P2.1脚分别接按键K1和K2,键...答:include<reg51.h> define uchar unsigned char uchar code table[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90};sbit K1=P2^0;sbit K2=P2^1;main(){ uchar n=0;while(1){ P0=table[n];if(K1==0){ while(K1==0);n++;if(n>9)n=9;} if(K2==0){ while(K2...