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118 lines
3.6 KiB
118 lines
3.6 KiB
/* |
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LUFA Library |
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Copyright (C) Dean Camera, 2010. |
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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 2010 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 USBKEY. |
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* |
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* Board specific joystick driver header for the USBKEY. |
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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_USBKEY USBKEY |
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* |
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* Board specific joystick driver header for the USBKEY. |
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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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* @{ |
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*/ |
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#ifndef __JOYSTICK_USBKEY_H__ |
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#define __JOYSTICK_USBKEY_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_BMASK ((1 << 5) | (1 << 6) | (1 << 7)) |
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#define JOY_EMASK ((1 << 4) | (1 << 5)) |
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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 << 6) |
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/** Mask for the joystick being pushed in the right direction. */ |
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#define JOY_RIGHT ((1 << 4) >> 1) |
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/** Mask for the joystick being pushed in the upward direction. */ |
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#define JOY_UP (1 << 7) |
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/** Mask for the joystick being pushed in the downward direction. */ |
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#define JOY_DOWN ((1 << 5) >> 1) |
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/** Mask for the joystick being pushed inward. */ |
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#define JOY_PRESS (1 << 5) |
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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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DDRB &= ~(JOY_BMASK); |
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DDRE &= ~(JOY_EMASK); |
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PORTB |= JOY_BMASK; |
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PORTE |= JOY_EMASK; |
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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)~PINB & JOY_BMASK) | (((uint8_t)~PINE & JOY_EMASK) >> 1)); |
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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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