AVR单片机(ATMEGA16)矩阵键盘扫描程序 精选资料下载

程序思路与缺陷参考：51单片机(AT89C52)矩阵键盘检测程序#includetypedef unsigned char uchar;typedef unsigned int uint;#define dula_h        PORTD|=0x01#define dula_l        PORTD&=0xfe#define wela_h        PORTD|=0x02#define wela_l...