153 lines
		
	
	
		
			5.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			153 lines
		
	
	
		
			5.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|              LUFA Library
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|      Copyright (C) Dean Camera, 2017.
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| 
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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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| /*
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|   Copyright 2017  Dean Camera (dean [at] fourwalledcubicle [dot] com)
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| 
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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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| 
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|   The author disclaims 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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| 
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| /** \file
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|  *  \brief Digital joystick board hardware driver.
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|  *
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|  *  This file is the master dispatch header file for the board-specific Joystick driver, for boards containing a
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|  *  digital joystick.
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|  *
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|  *  User code should include this file, which will in turn include the correct joystick driver header file for the
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|  *  currently selected board.
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|  *
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|  *  If the \c BOARD value is set to \c BOARD_USER, this will include the \c /Board/Joystick.h file in the user project
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|  *  directory.
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|  *
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|  *  For possible \c BOARD makefile values, see \ref Group_BoardTypes.
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|  */
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| 
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| /** \ingroup Group_BoardDrivers
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|  *  \defgroup Group_Joystick Joystick Driver - LUFA/Drivers/Board/Joystick.h
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|  *  \brief Digital joystick board hardware driver.
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|  *
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|  *  \section Sec_Joystick_Dependencies Module Source Dependencies
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|  *  The following files must be built with any user project that uses this module:
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|  *    - None
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|  *
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|  *  \section Sec_Joystick_ModDescription Module Description
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|  *  Hardware Joystick driver. This module provides an easy to use interface to control the hardware digital Joystick
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|  *  located on many boards.
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|  *
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|  *  If the \c BOARD value is set to \c BOARD_USER, this will include the \c /Board/Joystick.h file in the user project
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|  *  directory. Otherwise, it will include the appropriate built-in board driver header file.
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|  *
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|  *  For possible \c BOARD makefile values, see \ref Group_BoardTypes.
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|  *
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|  *  \section Sec_Joystick_ExampleUsage Example Usage
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|  *  The following snippet is an example of how this module may be used within a typical
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|  *  application.
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|  *
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|  *  \code
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|  *      // Initialize the board Joystick driver before first use
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|  *      Joystick_Init();
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|  *
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|  *      printf("Waiting for joystick movement...\r\n");
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|  *
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|  *      // Loop until a the joystick has been moved
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|  *      uint8_t JoystickMovement;
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|  *      while (!(JoystickMovement = Joystick_GetStatus())) {};
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|  *
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|  *      // Display which direction the joystick was moved in
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|  *      printf("Joystick moved:\r\n");
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|  *
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|  *      if (JoystickMovement & (JOY_UP | JOY_DOWN))
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|  *        printf("%s ", (JoystickMovement & JOY_UP) ? "Up" : "Down");
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|  *
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|  *      if (JoystickMovement & (JOY_LEFT | JOY_RIGHT))
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|  *        printf("%s ", (JoystickMovement & JOY_LEFT) ? "Left" : "Right");
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|  *
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|  *      if (JoystickMovement & JOY_PRESS)
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|  *        printf("Pressed");
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|  *  \endcode
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|  *
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|  *  @{
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|  */
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| 
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| #ifndef __JOYSTICK_H__
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| #define __JOYSTICK_H__
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| 
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| 	/* Macros: */
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| 		#define __INCLUDE_FROM_JOYSTICK_H
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| 
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| 	/* Includes: */
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| 		#include "../../Common/Common.h"
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| 
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| 		#if (BOARD == BOARD_NONE)
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| 			#define JOY_UP           0
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| 			#define JOY_DOWN         0
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| 			#define JOY_LEFT         0
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| 			#define JOY_RIGHT        0
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| 			#define JOY_PRESS        0
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| 			static inline void       Joystick_Init(void) {}
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| 			static inline void       Joystick_Disable(void) {}
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| 			static inline uint_reg_t Joystick_GetStatus(void) { return 0; }
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| 		#elif (BOARD == BOARD_USBKEY)
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| 			#include "AVR8/USBKEY/Joystick.h"
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| 		#elif (BOARD == BOARD_STK525)
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| 			#include "AVR8/STK525/Joystick.h"
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| 		#elif (BOARD == BOARD_STK526)
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| 			#include "AVR8/STK526/Joystick.h"
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| 		#elif (BOARD == BOARD_BUMBLEB)
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| 			#include "AVR8/BUMBLEB/Joystick.h"
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| 		#elif (BOARD == BOARD_EVK527)
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| 			#include "AVR8/EVK527/Joystick.h"
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| 		#elif (BOARD == BOARD_EVK1101)
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| 			#include "UC3/EVK1101/Joystick.h"
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| 		#elif (BOARD == BOARD_EVK1100)
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| 			#include "UC3/EVK1100/Joystick.h"
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| 		#else
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| 			#include "Board/Joystick.h"
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| 		#endif
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| 
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| 	/* Pseudo-Functions for Doxygen: */
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| 	#if defined(__DOXYGEN__)
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| 		/** Initializes the joystick driver so that the joystick position can be read. This sets the appropriate
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| 		 *  I/O pins to inputs with their pull-ups enabled.
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| 		 *
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| 		 *  This must be called before any Joystick driver functions are used.
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| 		 */
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| 		static inline void Joystick_Init(void);
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| 
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| 		/** Disables the joystick driver, releasing the I/O pins back to their default high-impedance input mode. */
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| 		static inline void Joystick_Disable(void);
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| 
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| 		/** Returns the current status of the joystick, as a mask indicating the direction the joystick is
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| 		 *  currently facing in (multiple bits can be set).
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| 		 *
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| 		 *  \return Mask of \c JOYSTICK_* constants indicating the current joystick direction(s).
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| 		 */
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| 		static inline uint_reg_t Joystick_GetStatus(void) ATTR_WARN_UNUSED_RESULT;
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| 	#endif
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| 
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| #endif
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| 
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| /** @} */
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| 
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