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/*
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LUFA Library
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Copyright (C) Dean Camera, 2009.
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dean [at] fourwalledcubicle [dot] com
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www.fourwalledcubicle.com
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*/
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/*
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Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com)
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Permission to use, copy, modify, distribute, and sell this
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software and its documentation for any purpose is hereby granted
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without fee, provided that the above copyright notice appear in
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all copies and that both that the copyright notice and this
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permission notice and warranty disclaimer appear in supporting
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documentation, and that the name of the author not be used in
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advertising or publicity pertaining to distribution of the
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software without specific, written prior permission.
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The author disclaim all warranties with regard to this
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software, including all implied warranties of merchantability
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and fitness. In no event shall the author be liable for any
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special, indirect or consequential damages or any damages
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whatsoever resulting from loss of use, data or profits, whether
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in an action of contract, negligence or other tortious action,
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arising out of or in connection with the use or performance of
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this software.
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*/
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/** \file
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*
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* Board specific joystick driver header for the EVK527.
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*
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* \note This file should not be included directly. It is automatically included as needed by the joystick driver
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* dispatch header located in LUFA/Drivers/Board/Joystick.h.
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*/
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/** \ingroup Group_Joystick
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* @defgroup Group_Joystick_EVK527 EVK527
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*
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* @{
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*/
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#ifndef __JOYSTICK_EVK527_H__
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#define __JOYSTICK_EVK527_H__
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/* Includes: */
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#include <avr/io.h>
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#include "../../../Common/Common.h"
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/* Enable C linkage for C++ Compilers: */
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#if defined(__cplusplus)
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extern "C" {
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#endif
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/* Preprocessor Checks: */
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#if !defined(INCLUDE_FROM_JOYSTICK_H)
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#error Do not include this file directly. Include LUFA/Drivers/Board/Joystick.h instead.
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#endif
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/* Private Interface - For use in library only: */
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#if !defined(__DOXYGEN__)
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/* Macros: */
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#define JOY_FMASK ((1 << 4) | (1 << 5) | (1 << 6) | (1 << 7))
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#define JOY_CMASK (1 << 6))
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#endif
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/* Public Interface - May be used in end-application: */
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/* Macros: */
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/** Mask for the joystick being pushed in the left direction. */
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#define JOY_LEFT (1 << 4)
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/** Mask for the joystick being pushed in the right direction. */
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#define JOY_RIGHT (1 << 7)
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/** Mask for the joystick being pushed in the upward direction. */
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#define JOY_UP (1 << 5)
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/** Mask for the joystick being pushed in the downward direction. */
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#define JOY_DOWN ((1 << 6) >> 3)
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/** Mask for the joystick being pushed inward. */
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#define JOY_PRESS (1 << 6)
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/* Inline Functions: */
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#if !defined(__DOXYGEN__)
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static inline void Joystick_Init(void)
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{
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DDRF &= ~(JOY_FMASK);
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DDRC &= ~(JOY_CMASK);
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PORTF |= JOY_FMASK;
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PORTC |= JOY_CMASK;
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}
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static inline uint8_t Joystick_GetStatus(void) ATTR_WARN_UNUSED_RESULT;
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static inline uint8_t Joystick_GetStatus(void)
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{
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return (((uint8_t)~PINF & JOY_FMASK) | (((uint8_t)~PINC & JOY_CMASK) >> 3));
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}
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#endif
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/* Disable C linkage for C++ Compilers: */
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#if defined(__cplusplus)
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}
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#endif
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#endif
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/** @} */
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