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Contiki port for the Atmel AVR Raven board

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adamdunkels 2008-10-14 09:40:30 +00:00
parent 3f394fe927
commit 0a961b2ada
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platform/avr-ravenlcd/key.h Normal file
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/*
* Copyright (c) 2008 Swedish Institute of Computer Science
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of the copyright holders nor the names of
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/**
* \file
*
* \brief
* This file provides joystick operations. Combined with ADC functions.
*
* \author
* Mike Vidales mavida404@gmail.com
*
*/
#ifndef __KEY_H__
#define __KEY_H__
#include <stdint.h>
#include <avr/io.h>
#include <avr/pgmspace.h>
/** \name Port definition for reading the joystick input. */
/** \{ */
#define KEY_PORT PINF
#define KEY_PUR PORTF
#define KEY_DDR DDRF
#define KEY_PIN PINF1
/** \} */
/** \name Port defininition for the joystick Enter button. */
/** \{ */
#define ENTER_PORT PINE
#define ENTER_PUR PORTE
#define ENTER_DDR DDRE
#define ENTER_PIN PINE2
/** \} */
/** \name Valid Key States. */
/** \{ */
#define KEY_STATE_UP 0x01
#define KEY_STATE_DOWN 0x02
#define KEY_STATE_LEFT 0x04
#define KEY_STATE_RIGHT 0x08
#define KEY_STATE_ENTER 0x10
#define KEY_STATE_NO_KEY 0x00
#define KEY_STATE_DONE 0x20
/** \} */
typedef enum {
KEY_UP = 0x01,
KEY_DOWN = 0x02,
KEY_LEFT = 0x04,
KEY_RIGHT = 0x08,
KEY_ENTER = 0x10,
KEY_NO_KEY = 0x00
}key_state_t;
extern key_state_t button;
/* Initialize the joystick */
void key_init(void);
void key_deinit(void);
key_state_t key_task(void);
key_state_t key_state_get(void);
uint8_t is_button(void);
uint8_t get_button(void);
#endif /* __KEY_H__ */