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/*
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             LUFA Library
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     Copyright (C) Dean Camera, 2011.
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  dean [at] fourwalledcubicle [dot] com
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           www.lufa-lib.org
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*/
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/*
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  Copyright 2011  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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 *  \brief Board specific joystick driver header for the Atmel EVK527.
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 *  \copydetails Group_Joystick_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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 *  \brief Board specific joystick driver header for the Atmel EVK527.
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 *
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 *  Board specific joystick driver header for the Atmel 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 "../../../../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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                        #define JOY_PORTC_MASK_SHIFT      3
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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) >> JOY_PORTC_MASK_SHIFT)
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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) >> JOY_PORTC_MASK_SHIFT));
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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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