?? key.h
字號:
/*
***************************************************************************************************
* Copyright (C),2007
* Author : YanZhongsan
* Email : yanzhongsan@yahoo.com.cn
* Date : 2007-10-17
* File name : key.h
* Description : rename the MCU's I/O port for keyboard
* Version : V 1.0
* Others : None
***************************************************************************************************
*/
#ifndef key_h
#define key_h
/****golbal data****/
extern UCHAR_8 ButtonFlag;
extern UCHAR_8 LongKeyFlag;
/****function****/
void KeyBoardScanf(void);
/****flag bit****/
#define KEY1_BIT 0
#define KEY2_BIT 1
#define KEY3_BIT 2
/****button****/
#define UP_BUTTON (1<<PD3)
#define UP_BUTTON_PRESSED (0x00==(PIND & UP_BUTTON))
#define KEY1PRESSED UP_BUTTON_PRESSED
#define DOWN_BUTTON (1<<PD4)
#define DOWN_BUTTON_PRESSED (0x00==(PIND & DOWN_BUTTON))
#define KEY2PRESSED DOWN_BUTTON_PRESSED
#define SET_BUTTON (1<<PD5)
#define SET_BUTTON_PRESSED (0x00==(PIND & SET_BUTTON))
#define KEY3PRESSED SET_BUTTON_PRESSED
#endif
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