120 lines
3.8 KiB
C
120 lines
3.8 KiB
C
/*
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LUFA Library
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Copyright (C) Dean Camera, 2017.
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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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Copyright 2017 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 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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/** \file
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* \brief Board specific Buttons driver header for the Atmel XMEGA A3BU Xplained.
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* \copydetails Group_Buttons_A3BU_XPLAINED
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*
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* \note This file should not be included directly. It is automatically included as needed by the Buttons driver
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* dispatch header located in LUFA/Drivers/Board/Buttons.h.
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*/
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/** \ingroup Group_Buttons
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* \defgroup Group_Buttons_A3BU_XPLAINED A3BU_XPLAINED
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* \brief Board specific Buttons driver header for the Atmel XMEGA A3BU Xplained.
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*
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* Board specific Buttons driver header for the Atmel XMEGA A3BU Xplained.
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*
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* <table>
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* <tr><th>Name</th><th>Info</th><th>Active Level</th><th>Port Pin</th></tr>
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* <tr><td>BUTTONS_BUTTON1</td><td>SW0 Button</td><td>Low</td><td>PORTE.5</td></tr>
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* <tr><td>BUTTONS_BUTTON2</td><td>SW1 Button</td><td>Low</td><td>PORTF.1</td></tr>
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* <tr><td>BUTTONS_BUTTON3</td><td>SW2 Button</td><td>Low</td><td>PORTF.2</td></tr>
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* </table>
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*
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* @{
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*/
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#ifndef __BUTTONS_A3BU_XPLAINED_H__
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#define __BUTTONS_A3BU_XPLAINED_H__
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/* Includes: */
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#include <avr/io.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_BUTTONS_H)
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#error Do not include this file directly. Include LUFA/Drivers/Board/Buttons.h instead.
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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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/** Button mask for the first button on the board. */
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#define BUTTONS_BUTTON1 (1 << 5)
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/** Button mask for the second button on the board. */
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#define BUTTONS_BUTTON2 (1 << 1)
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/** Button mask for the third button on the board. */
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#define BUTTONS_BUTTON3 (1 << 2)
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/* Inline Functions: */
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#if !defined(__DOXYGEN__)
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static inline void Buttons_Init(void)
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{
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PORTE.OUTCLR = BUTTONS_BUTTON1;
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PORTE.PIN5CTRL = (PORT_OPC_PULLUP_gc | PORT_INVEN_bm);
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PORTF.OUTCLR = (BUTTONS_BUTTON2 | BUTTONS_BUTTON3);
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PORTF.PIN1CTRL = (PORT_OPC_PULLUP_gc | PORT_INVEN_bm);
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PORTF.PIN2CTRL = (PORT_OPC_PULLUP_gc | PORT_INVEN_bm);
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}
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static inline void Buttons_Disable(void)
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{
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PORTE.OUTCLR = BUTTONS_BUTTON1;
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PORTE.PIN5CTRL = 0;
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PORTF.OUTCLR = (BUTTONS_BUTTON2 | BUTTONS_BUTTON3);
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PORTF.PIN1CTRL = 0;
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PORTF.PIN2CTRL = 0;
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}
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static inline uint8_t Buttons_GetStatus(void) ATTR_WARN_UNUSED_RESULT;
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static inline uint8_t Buttons_GetStatus(void)
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{
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return ((PORTE_IN & BUTTONS_BUTTON1) | (PORTF_IN & (BUTTONS_BUTTON2 | BUTTONS_BUTTON3)));
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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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