Buttons.h
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/*
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 Buttons driver header for the Atmel UC3-A3 Xplained.
* \copydetails Group_Buttons_UC3A3_XPLAINED
*
* \note This file should not be included directly. It is automatically included as needed by the Buttons driver
* dispatch header located in LUFA/Drivers/Board/Buttons.h.
*/
/** \ingroup Group_Buttons
* \defgroup Group_Buttons_UC3A3_XPLAINED UC3A3_XPLAINED
* \brief Board specific Buttons driver header for the Atmel UC3-A3 Xplained.
*
* Board specific Buttons driver header for the Atmel UC3-A3 Xplained.
*
* <table>
* <tr><th>Name</th><th>Info</th><th>Active Level</th><th>Port Pin</th></tr>
* <tr><td>BUTTONS_BUTTON1</td><td>SW0 Button</td><td>Low</td><td>GPIO32</td></tr>
* </table>
*
* @{
*/
#ifndef __BUTTONS_UC3A3_XPLAINED_H__
#define __BUTTONS_UC3A3_XPLAINED_H__
/* Includes: */
#include "../../../../Common/Common.h"
/* Enable C linkage for C++ Compilers: */
#if defined(__cplusplus)
extern "C" {
#endif
/* Preprocessor Checks: */
#if !defined(__INCLUDE_FROM_BUTTONS_H)
#error Do not include this file directly. Include LUFA/Drivers/Board/Buttons.h instead.
#endif
/* Private Interface - For use in library only: */
#if !defined(__DOXYGEN__)
/* Macros: */
#define BUTTONS_PORT 1
#endif
/* Public Interface - May be used in end-application: */
/* Macros: */
/** Mask of the first button on the board */
#define BUTTONS_BUTTON1 (1UL << 0)
/* Inline Functions: */
#if !defined(__DOXYGEN__)
static inline void Buttons_Init(void)
{
AVR32_GPIO.port[BUTTONS_PORT].gpers = (BUTTONS_BUTTON1 | BUTTONS_BUTTON2);
AVR32_GPIO.port[BUTTONS_PORT].puers = (BUTTONS_BUTTON1 | BUTTONS_BUTTON2);
}
static inline void Buttons_Disable(void)
{
AVR32_GPIO.port[BUTTONS_PORT].gperc = (BUTTONS_BUTTON1 | BUTTONS_BUTTON2);
AVR32_GPIO.port[BUTTONS_PORT].puerc = (BUTTONS_BUTTON1 | BUTTONS_BUTTON2);
}
static inline uint32_t Buttons_GetStatus(void) ATTR_WARN_UNUSED_RESULT;
static inline uint32_t Buttons_GetStatus(void)
{
return (~(AVR32_GPIO.port[JOY_MOVE_PORT].pvr & (BUTTONS_BUTTON1 | BUTTONS_BUTTON2)));
}
#endif
/* Disable C linkage for C++ Compilers: */
#if defined(__cplusplus)
}
#endif
#endif
/** @} */