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AVR单片机键盘程序设计
#i nclude《90s8515.h》#define uchar unsigned char#asmequ __LCD_port=0x18 ;PORTB#endasm#i nclude#i nclu
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4*4键盘程序
;-------4*4键盘程序的使用--------PC EQU2STATUS EQU3RA EQU5RB EQU6R
#i nclude《90s8515.h》#define uchar unsigned char#asmequ __LCD_port=0x18 ;PORTB#endasm#i nclude#i nclu
;-------4*4键盘程序的使用--------PC EQU2STATUS EQU3RA EQU5RB EQU6R