AVR单片机频率计设计 频率输入源STM32口

完整的程序源码下载：http://www.51hei.com/f/avrplj.rar

//---------------------AVR代码-----------------------

//芯片用ATMEG16

#include

#define uchar unsigned char

#define uint unsigned int

__flash uchar seg[17]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07, //数码管码表

0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71,0x80};

__flash uchar tab[8]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f}; //数码管位选