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Diffstat (limited to 'src/diagnostic/diagnostic-message.hpp')
-rw-r--r-- | src/diagnostic/diagnostic-message.hpp | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/src/diagnostic/diagnostic-message.hpp b/src/diagnostic/diagnostic-message.hpp new file mode 100644 index 00000000..a8f21e09 --- /dev/null +++ b/src/diagnostic/diagnostic-message.hpp @@ -0,0 +1,94 @@ +/* + * Copyright (C) 2015, 2016 "IoT.bzh" + * Author "Romain Forlot" <romain.forlot@iot.bzh> + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#pragma once + +#include <vector> + +#include "uds/uds.h" +#include "can-bus.hpp" +#include "can-message.hpp" + +#include "low-can-binding.hpp" + +enum UNIT { + POURCENT, + DEGREES_CELSIUS, + KPA, + RPM, + GRAMS_SEC, + SECONDS, + KM, + KM_H, + PA, + NM, + INVALID +}; + +/** + * @brief A representation of an OBD-II PID. + * + * pid - The 1 byte PID. + * name - A human readable name to use for this PID when published. + * min - minimum value for this pid + * max - maximum value for this pid + * unit - unit used + * frequency - The frequency to request this PID if supported by the vehicle + * when automatic, recurring OBD-II requests are enabled. + * supported - is it supported by the vehicle. Initialized after scan + */ +typedef struct _Obd2Pid { + uint8_t pid; + const char* generic_name; + const int min; + const int max; + enum UNIT unit; + int frequency; + bool supported; +} Obd2Pid; + +/** + * @brief - Object to handle obd2 session with pre-scan of supported pid + * then request them regularly + */ +class obd2_signals_t { + private: + uint8_t pid_; + const char* generic_name_; + const int min_; + const int max_; + enum UNIT unit_; + int frequency_; + bool supported_; + + public: + obd2_signals_t(uint8_t pid, const char* generic_name, const int min_, const int max_, enum UNIT unit, int frequency, bool supported); + + void init_diagnostic_shims(can_bus_dev_t& can_bus_dev) + void add_request(int pid); + std::vector<Obd2Pid>& get_obd2_signals(); + + uint32_t get_signal_id(const Obd2Pid& sig); + void find_obd2_signals(const openxc_DynamicField &key, std::vector<Obd2Pid*>& found_signals); + + + bool is_obd2_response(can_message_t can_message); + bool is_obd2_request(DiagnosticRequest *request); + bool is_obd2_signal(const char *name); + + float decode_obd2_response(const DiagnosticResponse* response, float parsedPayload); +};
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