一部分用C语言编写的C51单片机时钟程序,求加注释答:uchar code seven_seg[] = {0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7C,0x39,0x5e,0x79,0x71};uchar keyState = 0 ; // 0表示没有操作 1 修改秒 2 修改分钟 3 修改小时 4 定闹 小时 5定闹分钟 uint ledState =0;uchar ledStateNum=0;uint num =...
51单片机c语言设计,按键控制数码管,依次按下显示0到9循环答:sbit k1=P1^0;define uint16 unsigned int define uchar unsigned char uchar code shuzu[ ]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};void delay(){ uint16 i=1000;while(i--);} void main(){ uchar n ;P2=0xfe;P1=0xff;while(1){ if(k1==0){ if(n>...