单片机按键控制数码管(共2页).doc

精选优质文档-倾情为你奉上K1-K4 控制数码管移位显示/*名称：K1-K4 控制数码管移位显示说明：按下K1时加1计数并增加显示位， 按下K2时减1计数并减少显示位， 按下K3时清零。*/#include#define uchar unsigned char#define uint unsigned int/段码uchar code DSY_CODE=0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0xff;/位码uchar code DSY_Index=0x80,0x40,0x20,0x10,0x08,0x04,0x02,0x01;/待显示到各数码管的数字缓冲（开始仅在0位显示0，其他黑屏）uchar Display_Buffer=0,10,10,10,10,10,10,10;/延时void DelayMS(uint x)uchar i;while(x-) for(i