buttons.h

一个LCD驱动程序

//*****************************************************************************
//
//  File........: Buttons.h
//
//  Author(s)...: ATMEL Norway
//
//  Target(s)...: ATmega169
//
//  Description.: Defines and prototypes for Buttons.c
//
//  Revisions...: 1.0
//
//  YYYYMMDD - VER. - COMMENT                                       - SIGN.
//
//  20021015 - 1.0  - File created                                  - LHM
//
//*****************************************************************************

//  Definitions
    #define Button1             0x80
    #define Button2             0x40
    #define Button3             0x20
    
//  Functions    
    void CheckButtons(void);       //function to check the status of the buttons on STK500
    void Execute(unsigned char);