diff options
Diffstat (limited to 'LUFA/Drivers/Board/AVR8/STK525/Joystick.h')
| -rw-r--r-- | LUFA/Drivers/Board/AVR8/STK525/Joystick.h | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/LUFA/Drivers/Board/AVR8/STK525/Joystick.h b/LUFA/Drivers/Board/AVR8/STK525/Joystick.h new file mode 100644 index 0000000000..0224a723e7 --- /dev/null +++ b/LUFA/Drivers/Board/AVR8/STK525/Joystick.h @@ -0,0 +1,130 @@ +/* + 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 Board specific joystick driver header for the Atmel STK525. + * \copydetails Group_Joystick_STK525 + * + * \note This file should not be included directly. It is automatically included as needed by the joystick driver + * dispatch header located in LUFA/Drivers/Board/Joystick.h. + */ + +/** \ingroup Group_Joystick + * \defgroup Group_Joystick_STK525 STK525 + * \brief Board specific joystick driver header for the Atmel STK525. + * + * Board specific joystick driver header for the Atmel STK525. + * + * <table> + * <tr><th>Left Port Pin</th><th>Up Port Pin</th><th>Right Port Pin</th><th>Down Port Pin</th><th>Press Port Pin</th></tr> + * <tr><td>PORTB.6</td><td>PORTB.7</td><td>PORTE.4</td><td>PORTE.5</td><td>PORTB.5</td></tr> + * </table> + * + * @{ + */ + +#ifndef __JOYSTICK_STK525_H__ +#define __JOYSTICK_STK525_H__ + + /* Includes: */ + #include "../../../../Common/Common.h" + + /* Enable C linkage for C++ Compilers: */ + #if defined(__cplusplus) + extern "C" { + #endif + + /* Preprocessor Checks: */ + #if !defined(__INCLUDE_FROM_JOYSTICK_H) + #error Do not include this file directly. Include LUFA/Drivers/Board/Joystick.h instead. + #endif + + /* Private Interface - For use in library only: */ + #if !defined(__DOXYGEN__) + /* Macros: */ + #define JOY_BMASK ((1 << 5) | (1 << 6) | (1 << 7)) + #define JOY_EMASK ((1 << 4) | (1 << 5)) + + #define JOY_PORTE_MASK_SHIFT 1 + #endif + + /* Public Interface - May be used in end-application: */ + /* Macros: */ + /** Mask for the joystick being pushed in the left direction. */ + #define JOY_LEFT (1 << 6) + + /** Mask for the joystick being pushed in the right direction. */ + #define JOY_RIGHT ((1 << 4) >> JOY_PORTE_MASK_SHIFT) + + /** Mask for the joystick being pushed in the upward direction. */ + #define JOY_UP (1 << 7) + + /** Mask for the joystick being pushed in the downward direction. */ + #define JOY_DOWN ((1 << 5) >> JOY_PORTE_MASK_SHIFT) + + /** Mask for the joystick being pushed inward. */ + #define JOY_PRESS (1 << 5) + + /* Inline Functions: */ + #if !defined(__DOXYGEN__) + static inline void Joystick_Init(void) + { + DDRB &= ~JOY_BMASK; + DDRE &= ~JOY_EMASK; + + PORTB |= JOY_BMASK; + PORTE |= JOY_EMASK; + } + + static inline void Joystick_Disable(void) + { + DDRB &= ~JOY_BMASK; + DDRE &= ~JOY_EMASK; + + PORTB &= ~JOY_BMASK; + PORTE &= ~JOY_EMASK; + } + + static inline uint8_t Joystick_GetStatus(void) ATTR_WARN_UNUSED_RESULT; + static inline uint8_t Joystick_GetStatus(void) + { + return (((uint8_t)~PINB & JOY_BMASK) | (((uint8_t)~PINE & JOY_EMASK) >> JOY_PORTE_MASK_SHIFT)); + } + #endif + + /* Disable C linkage for C++ Compilers: */ + #if defined(__cplusplus) + } + #endif + +#endif + +/** @} */ + |