protocol/lufa/LUFA-120730/LUFA/Drivers/Board/UC3/EVK1101/Buttons.h

   1 /*
   2              LUFA Library
   3      Copyright (C) Dean Camera, 2012.
   4
   5   dean [at] fourwalledcubicle [dot] com
   6            www.lufa-lib.org
   7 */
   8
   9 /*
  10   Copyright 2012  Dean Camera (dean [at] fourwalledcubicle [dot] com)
  11
  12   Permission to use, copy, modify, distribute, and sell this
  13   software and its documentation for any purpose is hereby granted
  14   without fee, provided that the above copyright notice appear in
  15   all copies and that both that the copyright notice and this
  16   permission notice and warranty disclaimer appear in supporting
  17   documentation, and that the name of the author not be used in
  18   advertising or publicity pertaining to distribution of the
  19   software without specific, written prior permission.
  20
  21   The author disclaim all warranties with regard to this
  22   software, including all implied warranties of merchantability
  23   and fitness.  In no event shall the author be liable for any
  24   special, indirect or consequential damages or any damages
  25   whatsoever resulting from loss of use, data or profits, whether
  26   in an action of contract, negligence or other tortious action,
  27   arising out of or in connection with the use or performance of
  28   this software.
  29 */
  30
  31 /** \file
  32  *  \brief Board specific Buttons driver header for the Atmel EVK1101.
  33  *  \copydetails Group_Buttons_EVK1101
  34  *
  35  *  \note This file should not be included directly. It is automatically included as needed by the Buttons driver
  36  *        dispatch header located in LUFA/Drivers/Board/Buttons.h.
  37  */
  38
  39 /** \ingroup Group_Buttons
  40  *  \defgroup Group_Buttons_EVK1101 EVK1101
  41  *  \brief Board specific Buttons driver header for the Atmel EVK1101.
  42  *
  43  *  Board specific Buttons driver header for the Atmel EVK1101.
  44  *
  45  *  <table>
  46  *    <tr><th>Name</th><th>Info</th><th>Active Level</th><th>Port Pin</th></tr>
  47  *    <tr><td>BUTTONS_BUTTON1</td><td>SW0 Button</td><td>Low</td><td>GPIO34</td></tr>
  48  *    <tr><td>BUTTONS_BUTTON2</td><td>SW1 Button</td><td>Low</td><td>GPIO35</td></tr>
  49  *  </table>
  50  *
  51  *  @{
  52  */
  53
  54 #ifndef __BUTTONS_EVK1101_H__
  55 #define __BUTTONS_EVK1101_H__
  56
  57         /* Includes: */
  58                 #include "../../../../Common/Common.h"
  59
  60         /* Enable C linkage for C++ Compilers: */
  61                 #if defined(__cplusplus)
  62                         extern "C" {
  63                 #endif
  64
  65         /* Preprocessor Checks: */
  66                 #if !defined(__INCLUDE_FROM_BUTTONS_H)
  67                         #error Do not include this file directly. Include LUFA/Drivers/Board/Buttons.h instead.
  68                 #endif
  69
  70         /* Private Interface - For use in library only: */
  71         #if !defined(__DOXYGEN__)
  72                 /* Macros: */
  73                         #define BUTTONS_PORT          1
  74         #endif
  75
  76         /* Public Interface - May be used in end-application: */
  77                 /* Macros: */
  78                         /** Mask of the first button on the board */
  79                         #define BUTTONS_BUTTON1       (1UL << 2)
  80
  81                         /** Mask of the second button on the board */
  82                         #define BUTTONS_BUTTON2       (1UL << 3)
  83
  84                 /* Inline Functions: */
  85                 #if !defined(__DOXYGEN__)
  86                         static inline void Buttons_Init(void)
  87                         {
  88                                 AVR32_GPIO.port[BUTTONS_PORT].gpers = (BUTTONS_BUTTON1 | BUTTONS_BUTTON2);
  89                                 AVR32_GPIO.port[BUTTONS_PORT].puers = (BUTTONS_BUTTON1 | BUTTONS_BUTTON2);
  90                         }
  91
  92                         static inline void Buttons_Disable(void)
  93                         {
  94                                 AVR32_GPIO.port[BUTTONS_PORT].gperc = (BUTTONS_BUTTON1 | BUTTONS_BUTTON2);
  95                                 AVR32_GPIO.port[BUTTONS_PORT].puerc = (BUTTONS_BUTTON1 | BUTTONS_BUTTON2);
  96                         }
  97
  98                         static inline uint32_t Buttons_GetStatus(void) ATTR_WARN_UNUSED_RESULT;
  99                         static inline uint32_t Buttons_GetStatus(void)
 100                         {
 101                                 return (~(AVR32_GPIO.port[BUTTONS_PORT].pvr & (BUTTONS_BUTTON1 | BUTTONS_BUTTON2)));
 102                         }
 103                 #endif
 104
 105         /* Disable C linkage for C++ Compilers: */
 106                 #if defined(__cplusplus)
 107                         }
 108                 #endif
 109
 110 #endif
 111
 112 /** @} */
 113