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Diffstat (limited to 'LUFA/Drivers/Board/Joystick.h')
| -rw-r--r-- | LUFA/Drivers/Board/Joystick.h | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/LUFA/Drivers/Board/Joystick.h b/LUFA/Drivers/Board/Joystick.h new file mode 100644 index 0000000000..0d0fe89344 --- /dev/null +++ b/LUFA/Drivers/Board/Joystick.h @@ -0,0 +1,152 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2017. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2017 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, distribute, and sell this + software and its documentation for any purpose is hereby granted + without fee, provided that the above copyright notice appear in + all copies and that both that the copyright notice and this + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the + software without specific, written prior permission. + + The author disclaims all warranties with regard to this + software, including all implied warranties of merchantability + and fitness. In no event shall the author be liable for any + special, indirect or consequential damages or any damages + whatsoever resulting from loss of use, data or profits, whether + in an action of contract, negligence or other tortious action, + arising out of or in connection with the use or performance of + this software. +*/ + +/** \file + * \brief Digital joystick board hardware driver. + * + * This file is the master dispatch header file for the board-specific Joystick driver, for boards containing a + * digital joystick. + * + * User code should include this file, which will in turn include the correct joystick driver header file for the + * currently selected board. + * + * If the \c BOARD value is set to \c BOARD_USER, this will include the \c /Board/Joystick.h file in the user project + * directory. + * + * For possible \c BOARD makefile values, see \ref Group_BoardTypes. + */ + +/** \ingroup Group_BoardDrivers + * \defgroup Group_Joystick Joystick Driver - LUFA/Drivers/Board/Joystick.h + * \brief Digital joystick board hardware driver. + * + * \section Sec_Joystick_Dependencies Module Source Dependencies + * The following files must be built with any user project that uses this module: + * - None + * + * \section Sec_Joystick_ModDescription Module Description + * Hardware Joystick driver. This module provides an easy to use interface to control the hardware digital Joystick + * located on many boards. + * + * If the \c BOARD value is set to \c BOARD_USER, this will include the \c /Board/Joystick.h file in the user project + * directory. Otherwise, it will include the appropriate built-in board driver header file. + * + * For possible \c BOARD makefile values, see \ref Group_BoardTypes. + * + * \section Sec_Joystick_ExampleUsage Example Usage + * The following snippet is an example of how this module may be used within a typical + * application. + * + * \code + * // Initialize the board Joystick driver before first use + * Joystick_Init(); + * + * printf("Waiting for joystick movement...\r\n"); + * + * // Loop until a the joystick has been moved + * uint8_t JoystickMovement; + * while (!(JoystickMovement = Joystick_GetStatus())) {}; + * + * // Display which direction the joystick was moved in + * printf("Joystick moved:\r\n"); + * + * if (JoystickMovement & (JOY_UP | JOY_DOWN)) + * printf("%s ", (JoystickMovement & JOY_UP) ? "Up" : "Down"); + * + * if (JoystickMovement & (JOY_LEFT | JOY_RIGHT)) + * printf("%s ", (JoystickMovement & JOY_LEFT) ? "Left" : "Right"); + * + * if (JoystickMovement & JOY_PRESS) + * printf("Pressed"); + * \endcode + * + * @{ + */ + +#ifndef __JOYSTICK_H__ +#define __JOYSTICK_H__ + + /* Macros: */ + #define __INCLUDE_FROM_JOYSTICK_H + + /* Includes: */ + #include "../../Common/Common.h" + + #if (BOARD == BOARD_NONE) + #define JOY_UP 0 + #define JOY_DOWN 0 + #define JOY_LEFT 0 + #define JOY_RIGHT 0 + #define JOY_PRESS 0 + static inline void Joystick_Init(void) {} + static inline void Joystick_Disable(void) {} + static inline uint_reg_t Joystick_GetStatus(void) { return 0; } + #elif (BOARD == BOARD_USBKEY) + #include "AVR8/USBKEY/Joystick.h" + #elif (BOARD == BOARD_STK525) + #include "AVR8/STK525/Joystick.h" + #elif (BOARD == BOARD_STK526) + #include "AVR8/STK526/Joystick.h" + #elif (BOARD == BOARD_BUMBLEB) + #include "AVR8/BUMBLEB/Joystick.h" + #elif (BOARD == BOARD_EVK527) + #include "AVR8/EVK527/Joystick.h" + #elif (BOARD == BOARD_EVK1101) + #include "UC3/EVK1101/Joystick.h" + #elif (BOARD == BOARD_EVK1100) + #include "UC3/EVK1100/Joystick.h" + #else + #include "Board/Joystick.h" + #endif + + /* Pseudo-Functions for Doxygen: */ + #if defined(__DOXYGEN__) + /** Initializes the joystick driver so that the joystick position can be read. This sets the appropriate + * I/O pins to inputs with their pull-ups enabled. + * + * This must be called before any Joystick driver functions are used. + */ + static inline void Joystick_Init(void); + + /** Disables the joystick driver, releasing the I/O pins back to their default high-impedance input mode. */ + static inline void Joystick_Disable(void); + + /** Returns the current status of the joystick, as a mask indicating the direction the joystick is + * currently facing in (multiple bits can be set). + * + * \return Mask of \c JOYSTICK_* constants indicating the current joystick direction(s). + */ + static inline uint_reg_t Joystick_GetStatus(void) ATTR_WARN_UNUSED_RESULT; + #endif + +#endif + +/** @} */ + |