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Diffstat (limited to 'src/obd2-signals.cpp')
| -rw-r--r-- | src/obd2-signals.cpp | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/src/obd2-signals.cpp b/src/obd2-signals.cpp new file mode 100644 index 0000000..69db5e2 --- /dev/null +++ b/src/obd2-signals.cpp @@ -0,0 +1,142 @@ +/* + * 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. + */ + +#include "obd2-signals.hpp" + +#include "signals.hpp" + +const char *UNIT_NAMES[10] = { + "POURCENT", + "DEGREES_CELSIUS", + "KPA", + "RPM", + "GRAMS_SEC", + "SECONDS", + "KM", + "KM_H", + "PA", + "NM" +}; + +/* +* Pre-defined OBD-II PIDs to query for if supported by the vehicle. +*/ + std::vector<Obd2Pid> OBD2_PIDS = { + { 0x04, "obd2.engine.load", 0, 100, POURCENT, 5, false}, + { 0x05, "obd2.engine.coolant.temperature", -40, 215, DEGREES_CELSIUS, 1, false}, + { 0x0a, "obd2.fuel.pressure", 0, 765, KPA, 1, false}, + { 0x0b, "obd2.intake.manifold.pressure", 0, 255, KPA, 1, false}, + { 0x0c, "obd2.engine.speed", 0, 16383, RPM, 5, false}, + { 0x0d, "obd2.vehicle.speed", 0, 255, KM_H, 5, false}, + { 0x0f, "obd2.intake.air.temperature", -40, 215, DEGREES_CELSIUS, 1, false}, + { 0x10, "obd2.mass.airflow", 0, 655, GRAMS_SEC, 5, false}, + { 0x11, "obd2.throttle.position", 0, 100, POURCENT, 5, false}, + { 0x1f, "obd2.running.time", 0, 65535, SECONDS, 1, false}, + { 0x2d, "obd2.EGR.error", -100, 99, POURCENT, 0, false}, + { 0x2f, "obd2.fuel.level", 0, 100, POURCENT, 1, false}, + { 0x33, "obd2.barometric.pressure", 0, 255, KPA, 1, false}, + { 0x4c, "obd2.commanded.throttle.position", 0, 100, POURCENT, 1, false}, + { 0x52, "obd2.ethanol.fuel.percentage", 0, 100, POURCENT, 1, false}, + { 0x5a, "obd2.accelerator.pedal.position", 0, 100, POURCENT, 5, false}, + { 0x5b, "obd2.hybrid.battery-pack.remaining.life", 0, 100, POURCENT, 5, false}, + { 0x5c, "obd2.engine.oil.temperature",-40, 210, DEGREES_CELSIUS, 1, false}, + { 0x63, "obd2.engine.torque", 0, 65535, NM, 1, false} +}; + +/** + * @fn std::vector<std::string> find_signals(const openxc_DynamicField &key) + * @brief return signals name found searching through CAN_signals and OBD2 pid + * + * @param[in] const openxc_DynamicField : can contain numeric or string value in order to search against + * can signals or obd2 signals name. + * + * @return std::vector<std::string> Vector of signals name found. + */ +void find_signals(const openxc_DynamicField &key, std::vector<Obd2Pid*>& found_signals) +{ + switch(key.type) + { + case openxc_DynamicField_Type::openxc_DynamicField_Type_STRING: + lookup_signals_by_name(key.string_value, get_obd2_signals(), found_signals); + break; + case openxc_DynamicField_Type::openxc_DynamicField_Type_NUM: + lookup_signals_by_id(key.numeric_value, get_obd2_signals(), found_signals); + break; + default: + ERROR(binder_interface, "find_signals: wrong openxc_DynamicField specified. Use openxc_DynamicField_Type_NUM or openxc_DynamicField_Type_STRING type only."); + break; + } + DEBUG(binder_interface, "Found %d signal(s)", (int)found_signals.size()); +} + +std::vector<Obd2Pid>& get_obd2_signals() +{ + return OBD2_PIDS; +} + +uint32_t get_signal_id(const Obd2Pid& sig) +{ + return (uint32_t)sig.pid; +} + +void shims_logger(const char* m, const struct afb_binding_interface *interface) +{ + DEBUG(interface, "%s", m); +} + +void shims_timer() +{ +} + +/* + * Will scan for supported Obd2 pids + * +obd2_handler_t::obd2_handler_t() +{ + DiagnosticShims shims_ = diagnostic_init_shims(shims_logger, can_bus.send_can_message, NULL); + + int n_pids_, i_; + + n_pids_ = size(Obd2Pid); + for(i_=0; i_<=n_pids_; i_++) + { + } +} + +void obd2_handler_t::add_request(int pid) +{ + DiagnosticRequest request = { + arbitration_id: OBD2_FUNCTIONAL_BROADCAST_ID, + mode: 0x1, has_true, pid}; +} + +bool obd2_handler_t::is_obd2_request(DiagnosticRequest* request) +{ + return request->mode == 0x1 && request->has_pid && request->pid < 0xff; +} + +bool obd2_handler_t::is_obd2_signal(const char *name) +{ + if(fnmatch("obd2.*", name, FNM_CASEFOLD) == 0) + return true; + return false; +} + +bool obd2_handler_t::decode_obd2_response(DiagnosticResponse* responce) +{ + return diagnostic_decode_obd2_pid(response); +}*/
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