src/low_can_client.hpp

   1 /*
   2  * Copyright (c) 2017 TOYOTA MOTOR CORPORATION
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *      http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 #ifndef TMCAGLWM_LOW_CAN_CLIENT_HPP
  18 #define TMCAGLWM_LOW_CAN_CLIENT_HPP
  19
  20 #include <string>
  21 #include <vector>
  22 #include <json-c/json.h>
  23
  24 namespace wm
  25 {
  26
  27 class LowCanClient
  28 {
  29
  30   public:
  31     explicit LowCanClient();
  32     ~LowCanClient() = default;
  33
  34     enum SignalNo
  35     {
  36         SignalNoVehicliSpeed = 0,
  37         SignalNoTransGearPos,
  38         SignalNoHeadlame,
  39         SignalNoParkingBrake,
  40         SignalNoAccelPedalPos,
  41         SignalNoLightstatusBrake,
  42
  43         SignalNum,
  44
  45         SignalNoMin = SignalNoVehicliSpeed,
  46         SignalNoMax = SignalNum - 1,
  47     };
  48
  49     const std::vector<const char *> kSignalName{
  50         "vehicle.speed",
  51         "transmission_gear_position",
  52         "headlamp_status",
  53         "parking_brake_status",
  54         "accelerator.pedal.position",
  55         "lightstatus.brake",
  56     };
  57
  58     void initialize();
  59     const char *analyzeCanSignal(struct json_object *object);
  60
  61     int getCurrentTransGearState();
  62     bool getCurrentHeadlampState();
  63     bool getCurrentParkingBrakeState();
  64     double getCurrentAccelPedalPosition();
  65     bool getCurrentAccelPedalState();
  66     bool getCurrentLightstatusBrakeState();
  67
  68     bool isChangedAccelPedalState();
  69
  70   private:
  71     // Disable copy and move
  72     LowCanClient(LowCanClient const &) = delete;
  73     LowCanClient &operator=(LowCanClient const &) = delete;
  74     LowCanClient(LowCanClient &&) = delete;
  75     LowCanClient &operator=(LowCanClient &&) = delete;
  76
  77     enum TransGearPosVal
  78     {
  79         TransGearPosValD1 = 1,
  80         TransGearPosValD2,
  81         TransGearPosValD3,
  82         TransGearPosValD4,
  83         TransGearPosValD5,
  84         TransGearPosValD6,
  85         TransGearPosValD7,
  86         TransGearPosValD8,
  87         TransGearPosValR,
  88         TransGearPosValN,
  89     };
  90
  91     const std::vector<const char *> kFilterValue{
  92         "", // vehicle.speed
  93         "", // transmission_gear_position
  94         "", // headlamp_status
  95         "", // parking_brake_status
  96         "", // accelerator.pedal.position
  97         "", // lightstatus.brake
  98     };
  99
 100     int vehicle_speed;
 101     int trans_gear_pos;
 102     json_bool headlamp_status;
 103     json_bool parking_brake_status;
 104     double accel_pedal_pos;
 105     bool accel_pedal_stt;
 106     json_bool lightstatus_brake_status;
 107
 108     bool is_changed_accel_pedal_stt;
 109 };
 110
 111 } // namespace wm
 112
 113 #endif // TMCAGLWM_LOW_CAN_CLIENT_HPP