src/NMEA/VegaSwitchState.hpp

   1 /*
   2 Copyright_License {
   3
   4   XCSoar Glide Computer - http://www.xcsoar.org/
   5   Copyright (C) 2000-2013 The XCSoar Project
   6   A detailed list of copyright holders can be found in the file "AUTHORS".
   7
   8   This program is free software; you can redistribute it and/or
   9   modify it under the terms of the GNU General Public License
  10   as published by the Free Software Foundation; either version 2
  11   of the License, or (at your option) any later version.
  12
  13   This program is distributed in the hope that it will be useful,
  14   but WITHOUT ANY WARRANTY; without even the implied warranty of
  15   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16   GNU General Public License for more details.
  17
  18   You should have received a copy of the GNU General Public License
  19   along with this program; if not, write to the Free Software
  20   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  21 }
  22 */
  23
  24 #ifndef XCSOAR_VEGA_SWITCH_STATE_HPP
  25 #define XCSOAR_VEGA_SWITCH_STATE_HPP
  26
  27 struct VegaSwitchState {
  28   static constexpr unsigned INVALID = -1;
  29
  30   enum InputBits {
  31     INPUT_FLAP_POSITIVE = 0,
  32     INPUT_FLAP_ZERO = 1,
  33     INPUT_FLAP_NEGATIVE = 2,
  34     INPUT_SPEED_COMMAND = 3,
  35     INPUT_GEAR_EXTENDED = 5,
  36     INPUT_AIRBRAKE_NOT_LOCKED = 6,
  37     INPUT_ACKNOWLEDGE = 8,
  38     INPUT_REPEAT = 9,
  39     INPUT_STALL = 20,
  40     INPUT_AIRBRAKE_LOCKED = 21,
  41     INPUT_USER_SWITCH_UP = 23,
  42     INPUT_USER_SWITCH_MIDDLE = 24,
  43     INPUT_USER_SWITCH_DOWN = 25,
  44   };
  45
  46   enum OutputBits {
  47     OUTPUT_CIRCLING = 0,
  48     OUTPUT_FLAP_LANDING = 7,
  49   };
  50
  51   static constexpr unsigned INPUT_MASK_FLAP_POSITIVE = 1 << INPUT_FLAP_POSITIVE;
  52   static constexpr unsigned INPUT_MASK_FLAP_ZERO = 1 << INPUT_FLAP_ZERO;
  53   static constexpr unsigned INPUT_MASK_FLAP_NEGATIVE = 1 << INPUT_FLAP_NEGATIVE;
  54   static constexpr unsigned INPUT_MASK_SC = 1 << INPUT_SPEED_COMMAND;
  55   static constexpr unsigned INPUT_MASK_GEAR_EXTENDED = 1 << INPUT_GEAR_EXTENDED;
  56   static constexpr unsigned INPUT_MASK_AIRBRAKE_NOT_LOCKED = 1 << INPUT_AIRBRAKE_NOT_LOCKED;
  57   static constexpr unsigned INPUT_MASK_ACK = 1 << INPUT_ACKNOWLEDGE;
  58   static constexpr unsigned INPUT_MASK_REP = 1 << INPUT_REPEAT;
  59   static constexpr unsigned INPUT_MASK_AIRBRAKE_LOCKED = 1 << INPUT_AIRBRAKE_LOCKED;
  60   static constexpr unsigned INPUT_MASK_USER_SWITCH_UP = 1 << INPUT_USER_SWITCH_UP;
  61   static constexpr unsigned INPUT_MASK_USER_SWITCH_MIDDLE = 1 << INPUT_USER_SWITCH_MIDDLE;
  62   static constexpr unsigned INPUT_MASK_USER_SWITCH_DOWN = 1 << INPUT_USER_SWITCH_DOWN;
  63   static constexpr unsigned OUTPUT_MASK_CIRCLING = 1 << OUTPUT_CIRCLING;
  64   static constexpr unsigned OUTPUT_MASK_FLAP_LANDING = 1 << OUTPUT_FLAP_LANDING;
  65
  66   unsigned inputs, outputs;
  67
  68   constexpr bool IsDefined() const {
  69     return inputs != 0 || outputs != 0;
  70   }
  71
  72   void Reset() {
  73     inputs = outputs = 0;
  74   }
  75
  76   void Complement(const VegaSwitchState &add) {
  77     if (!IsDefined())
  78       *this = add;
  79   }
  80
  81   constexpr bool GetFlapPositive() const {
  82     return inputs & INPUT_MASK_FLAP_POSITIVE;
  83   }
  84
  85   constexpr bool GetFlapZero() const {
  86     return inputs & INPUT_MASK_FLAP_ZERO;
  87   }
  88
  89   constexpr bool GetFlapNegative() const {
  90     return inputs & INPUT_MASK_FLAP_NEGATIVE;
  91   }
  92
  93   constexpr bool GetSpeedCommand() const {
  94     return inputs & INPUT_MASK_SC;
  95   }
  96
  97   constexpr bool GetGearExtended() const {
  98     return inputs & INPUT_MASK_GEAR_EXTENDED;
  99   }
 100
 101   constexpr bool GetAirbrakeNotLocked() const {
 102     return inputs & INPUT_MASK_AIRBRAKE_NOT_LOCKED;
 103   }
 104
 105   constexpr bool GetAcknowledge() const {
 106     return inputs & INPUT_MASK_ACK;
 107   }
 108
 109   constexpr bool GetRepeat() const {
 110     return inputs & INPUT_MASK_REP;
 111   }
 112
 113   constexpr bool GetAirbrakeLocked() const {
 114     return inputs & INPUT_MASK_AIRBRAKE_LOCKED;
 115   }
 116
 117   constexpr bool GetUserSwitchUp() const {
 118     return inputs & INPUT_MASK_USER_SWITCH_UP;
 119   }
 120
 121   constexpr bool GetUserSwitchMiddle() const {
 122     return inputs & INPUT_MASK_USER_SWITCH_MIDDLE;
 123   }
 124
 125   constexpr bool GetUserSwitchDown() const {
 126     return inputs & INPUT_MASK_USER_SWITCH_DOWN;
 127   }
 128
 129   constexpr bool GetCircling() const {
 130     return outputs & OUTPUT_MASK_CIRCLING;
 131   }
 132
 133   constexpr bool GetFlapLanding() const {
 134     return outputs & OUTPUT_MASK_FLAP_LANDING;
 135   }
 136 };
 137
 138 #endif