iodef.h

倒车雷达的原理图与源码

/*
***************************************************************************************************
* Copyright (C),2007
* Author        : YanZhongsan
* Email         : [e-mail]
* Date          : 2007-10-17
* File name     : iodef.h
* Description   : rename the MCU's I/O port for portable
* Version       : V 1.0
* Others        : None
***************************************************************************************************
*/
#ifndef iodef_h
#define iodef_h

#define UP_BUTTON               (1<<PD3)
#define UP_BUTTON_PRESSED       (0x00==(PIND & UP_BUTTON))

#define DOWN_BUTTON             (1<<PD4)
#define DOWN_BUTTON_PRESSED     (0x00==(PIND & DOWN_BUTTON))

#define SET_BUTTON              (1<<PD5)
#define SET_BUTTON_PRESSED      (0x00==(PIND & SET_BUTTON))

#define BACK_LIGHT              (1<<PD6)
#define SET_BACK_LIGHT_ON       PORTD &= (~BACK_LIGHT)
#define SET_BACK_LIGHT_OFF      PORTD |= BACK_LIGHT

#define BUZZER_BIT              PB3
#define BUZZER                  (1<<BUZZER_BIT)
#define BUZZER_PORT             PORTB
#define BUZZER_DDR              DDRB
#define BUZZER_PIN              PIND
#define SET_BUZZER_ON           PORTB &= (~BUZZER)
#define SET_BUZZER_OFF          PORTB |= BUZZER

#endif