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
  21 #include <string>
  22 #include <vector>
  23 #include <json-c/json.h>
  24
  25
  26 namespace wm {
  27
  28 class LowCanClient {
  29
  30 public:
  31     explicit LowCanClient();
  32     ~LowCanClient() = default;
  33
  34     void initialize();
  35     void analyzeCanSignal(struct json_object *object);
  36     bool isChangedLampState();
  37     bool isChangedParkingBrakeState();
  38     bool isChangedAccelPedalState();
  39     bool isChangedCarState();
  40     const char* getCurrentLampState();
  41     const char* getCurrentParkingBrakeState();
  42     const char* getCurrentAccelPedalState();
  43     const char* getCurrentCarState();
  44
  45 private:
  46     // Disable copy and move
  47     LowCanClient(LowCanClient const &) = delete;
  48     LowCanClient &operator=(LowCanClient const &) = delete;
  49     LowCanClient(LowCanClient &&) = delete;
  50     LowCanClient &operator=(LowCanClient &&) = delete;
  51
  52     enum SignalNo {
  53         SignalNoVehicliSpeed = 0,
  54         SignalNoTransGearPos,
  55         SignalNoHeadlame,
  56         SignalNoParkingBrake,
  57         SignalNoAccelPedalPos,
  58
  59         SignalNum,
  60
  61         SignalNoMin = SignalNoVehicliSpeed,
  62         SignalNoMax = SignalNum - 1,
  63     };
  64
  65     const std::vector<const char*> kEventName_{
  66         "vehicle.speed",
  67         "transmission_gear_position",
  68         "headlamp_status",
  69         "parking_brake_status",
  70         "accelerator.pedal.position",
  71     };
  72
  73     const std::vector<const char*> kFilterValue_{
  74         "",
  75         "",
  76         "",
  77         "",
  78         "", //"{ \"min\": 0, \"max\": 10}",
  79     };
  80
  81     int vehicle_speed_;
  82     int trans_gear_pos_;
  83     json_bool headlamp_status_;
  84     json_bool parking_brake_status_;
  85     double accel_pedal_pos_;
  86
  87     std::string prv_lamp_state_;
  88     std::string crr_lamp_state_;
  89     std::string prv_parking_brake_state_;
  90     std::string crr_parking_brake_state_;
  91     std::string prv_accel_pedal_state_;
  92     std::string crr_accel_pedal_state_;
  93     std::string prv_car_state_;
  94     std::string crr_car_state_;
  95
  96     bool is_changed_lamp_state_;
  97     bool is_changed_parking_brake_state_;
  98     bool is_changed_accel_pedal_state_;
  99     bool is_changed_car_state_;
 100 };
 101
 102 } // namespace wm
 103
 104
 105 #endif  // TMCAGLWM_LOW_CAN_CLIENT_HPP