protocol/lufa/LUFA-120730/LUFA/Drivers/Board/AVR8/USB2AX/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 Paranoid Studio USB2AX.
  33  *  \copydetails Group_Buttons_USB2AX
  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_USB2AX_V3 USB2AX_V3
  41  *  \brief Board specific Button driver header for the Paranoid Studio USB2AX revision 3.
  42  *
  43  *  See \ref Group_Buttons_USB2AX for more details.
  44  */
  45
  46 /** \ingroup Group_Buttons
  47  *  \defgroup Group_Buttons_USB2AX USB2AX
  48  *  \brief Board specific Buttons driver header for the Paranoid Studio USB2AX.
  49  *
  50  *  \note For version 3 USB2AX boards, compile with <code>BOARD = USB2AX_V3</code>.
  51  *
  52  *  Board specific Buttons driver header for the Paranoid Studio USB2AX (http://paranoidstudio.assembla.com/wiki/show/paranoidstudio/USB2AX).
  53  *
  54  *  <table>
  55  *    <tr><th>Name</th><th>Info</th><th>Active Level</th><th>Port Pin</th></tr>
  56  *    <tr><td>BUTTONS_BUTTON1</td><td>HWB Button</td><td>Low</td><td>PORTD.7</td></tr>
  57  *  </table>
  58  *
  59  *  @{
  60  */
  61
  62 #ifndef __BUTTONS_USB2AX_H__
  63 #define __BUTTONS_USB2AX_H__
  64
  65         /* Includes: */
  66                 #include "../../../../Common/Common.h"
  67
  68         /* Enable C linkage for C++ Compilers: */
  69                 #if defined(__cplusplus)
  70                         extern "C" {
  71                 #endif
  72
  73         /* Preprocessor Checks: */
  74                 #if !defined(__INCLUDE_FROM_BUTTONS_H)
  75                         #error Do not include this file directly. Include LUFA/Drivers/Board/Buttons.h instead.
  76                 #endif
  77
  78         /* Public Interface - May be used in end-application: */
  79                 /* Macros: */
  80                         /** Button mask for the first button on the board. */
  81                         #define BUTTONS_BUTTON1      (1 << 7)
  82
  83                 /* Inline Functions: */
  84                 #if !defined(__DOXYGEN__)
  85                         static inline void Buttons_Init(void)
  86                         {
  87                                 DDRD  &= ~BUTTONS_BUTTON1;
  88                                 PORTD |=  BUTTONS_BUTTON1;
  89                         }
  90
  91                         static inline void Buttons_Disable(void)
  92                         {
  93                                 DDRD  &= ~BUTTONS_BUTTON1;
  94                                 PORTD &= ~BUTTONS_BUTTON1;
  95                         }
  96
  97                         static inline uint8_t Buttons_GetStatus(void) ATTR_WARN_UNUSED_RESULT;
  98                         static inline uint8_t Buttons_GetStatus(void)
  99                         {
 100                                 return ((PIND & BUTTONS_BUTTON1) ^ BUTTONS_BUTTON1);
 101                         }
 102                 #endif
 103
 104         /* Disable C linkage for C++ Compilers: */
 105                 #if defined(__cplusplus)
 106                         }
 107                 #endif
 108
 109 #endif
 110
 111 /** @} */
 112
 113