diff options
| -rw-r--r-- | can-signals.h | 62 | ||||
| -rw-r--r-- | obd2.cpp | 47 | ||||
| -rw-r--r-- | obd2.h | 136 |
3 files changed, 139 insertions, 106 deletions
diff --git a/can-signals.h b/can-signals.h index 394c867..f34c743 100644 --- a/can-signals.h +++ b/can-signals.h @@ -6,7 +6,7 @@ * 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 + * 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, @@ -18,41 +18,41 @@ #pragma once #include "can-utils.h" +#include <string> /** Public: Return the currently active CAN configuration. */ CanMessageSet* getActiveMessageSet(); /** Public: Retrive a list of all possible CAN configurations. - * * - * * Returns a pointer to an array of all configurations. - * */ + * * + * * Returns a pointer to an array of all configurations. + * */ CanMessageSet* getMessageSets(); /** Public: Return the length of the array returned by getMessageSets() */ int getMessageSetCount(); /* Public: Return the number of CAN buses configured in the active - * * configuration. This is limited to 2, as the hardware controller only has 2 - * * CAN channels. - * */ + * * configuration. This is limited to 2, as the hardware controller only has 2 + * * CAN channels. + * */ int getCanBusCount(); /* Public: Return an array of all CAN messages to be processed in the active - * * configuration. - * */ + * * configuration. + * */ CanMessageDefinition* getMessages(); -/* Public: Return an array of all CAN signals to be processed in the active - * configuration. +/* Public: Return signals from an signals array filtered on name. */ -CanSignal* getSignals(); +CanSignal* getSignals(std::string name); /* Public: Return an array of all OpenXC CAN commands enabled in the active - * * configuration that can write back to CAN with a custom handler. - * * - * * Commands not defined here are handled using a 1-1 mapping from the signals - * * list. - * */ + * * configuration that can write back to CAN with a custom handler. + * * + * * Commands not defined here are handled using a 1-1 mapping from the signals + * * list. + * */ CanCommand* getCommands(); /* Public: Return the length of the array returned by getCommandCount(). */ @@ -65,20 +65,20 @@ int getSignalCount(); int getMessageCount(); /* Public: Return an array of the metadata for the 2 CAN buses you want to - * * monitor. The size of this array is fixed at 2. - * */ + * * monitor. The size of this array is fixed at 2. + * */ CanBus* getCanBuses(); /* Public: Decode CAN signals from raw CAN messages, translate from engineering - * * units to something more human readable, and send the resulting value over USB - * * as an OpenXC-style JSON message. - * * - * * This is the main workhorse function of the VI. Every time a new - * * CAN message is received that matches one of the signals in the list returend - * * by getSignals(), this function is called with the message ID and 64-bit data - * * field. - * * - * * bus - The CAN bus this message was received on. - * * message - The received CAN message. - * */ -void decodeCanMessage(openxc::pipeline::Pipeline* pipeline, CanBus* bus, CanMessage* message);
\ No newline at end of file + * * units to something more human readable, and send the resulting value over USB + * * as an OpenXC-style JSON message. + * * + * * This is the main workhorse function of the VI. Every time a new + * * CAN message is received that matches one of the signals in the list returend + * * by getSignals(), this function is called with the message ID and 64-bit data + * * field. + * * + * * bus - The CAN bus this message was received on. + * * message - The received CAN message. + * */ +void decodeCanMessage(openxc::pipeline::Pipeline* pipeline, CanBus* bus, CanMessage* message); @@ -6,7 +6,7 @@ * 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 + * 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, @@ -15,24 +15,45 @@ * limitations under the License. */ -/* - * A representation of an OBD-II PID. - * - * pid - The 1 byte PID. - * name - A human readable name to use for this PID when published. - * frequency - The frequency to request this PID if supported by the vehicle - * when automatic, recurring OBD-II requests are enabled. - */ + +void shims_logger(afb_binding_interface *itf) +{ + //DEBUG(itf, "dd"); +} + +void shims_timer() +{ +} /* * Will scan for supported Obd2 pids */ -Obd2Handler::Obd2Handler() { +Obd2Handler::Obd2Handler(afb_binding_interface *itf, CanBus_c cb) +{ + CanBus_c can_bus = cb; + 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++) + { + } } -Obd2Handler::isObd2Request(DiagnosticRequest* request) { - return request->mode == 0x1 && request->has_pid && request->pid < 0xff; +Obd2Handler::add_request(int pid) +{ + DiagnosticRequest request = { + arbitration_id: OBD2_FUNCTIONAL_BROADCAST_ID, + mode: 0x1, has_pid: true, pid: pid}; } -Obd2Handler::decodeObd2Response(obd2response responce)
\ No newline at end of file +Obd2Handler::is_obd2_request(DiagnosticRequest* request) +{ + return request->mode == 0x1 && request->has_pid && request->pid < 0xff; +} + +Obd2Handler::decode_obd2_response(DiagnosticResponse* responce) +{ + return diagnostic_decode_obd2_pid(response); +} @@ -6,7 +6,7 @@ * 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 + * 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, @@ -16,12 +16,12 @@ */ /* - * A representation of an OBD-II PID. + * A representation of an OBD-II PID. * * pid - The 1 byte PID. * name - A human readable name to use for this PID when published. * frequency - The frequency to request this PID if supported by the vehicle - * when automatic, recurring OBD-II requests are enabled. + * when automatic, recurring OBD-II requests are enabled. */ enum UNIT { @@ -50,39 +50,56 @@ const char *UNIT_NAMES[10] = { "NM" }; + +/* + * 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 + * event - application framework event handler. + * + */ typedef struct _Obd2Pid { - uint8_t pid; - const char* name; - const int min; - const int max; - enum UNIT unit; - int frequency; + uint8_t pid; + const char* name; + const int min; + const int max; + enum UNIT unit; + int frequency; + bool supported; + struct afb_event event; } Obd2Pid; /* - { pid: 0x4, name: "engine.load", frequency: 5 }, - { pid: 0x5, name: "engine.coolant.temperature", frequency: 1 }, - { pid: 0xa, name: "fuel.pressure", frequency: 1 }, - { pid: 0xb, name: "intake.manifold.pressure", frequency: 1 }, - { pid: 0xc, name: "engine.speed", frequency: 5 }, - { pid: 0xd, name: "vehicle.speed", frequency: 5 }, - { pid: 0xf, name: "intake.air.temperature", frequency: 1 }, - { pid: 0x10, name: "mass.airflow", frequency: 5 }, - { pid: 0x11, name: "throttle.position", frequency: 5 }, - { pid: 0x1f, name: "running.time", frequency: 1 }, - { pid: 0x27, name: "fuel.level", frequency: 1 }, - { pid: 0x33, name: "barometric.pressure", frequency: 1 }, - { pid: 0x4c, name: "commanded.throttle.position", frequency: 1 }, - { pid: 0x52, name: "ethanol.fuel.percentage", frequency: 1 }, - { pid: 0x5a, name: "accelerator.pedal.position", frequency: 5 }, - { pid: 0x5c, name: "engine.oil.temperature", frequency: 1 }, - { pid: 0x63, name: "engine.torque", frequency: 1 }, + { pid: 0x4, name: "engine.load", frequency: 5 }, + { pid: 0x5, name: "engine.coolant.temperature", frequency: 1 }, + { pid: 0xa, name: "fuel.pressure", frequency: 1 }, + { pid: 0xb, name: "intake.manifold.pressure", frequency: 1 }, + { pid: 0xc, name: "engine.speed", frequency: 5 }, + { pid: 0xd, name: "vehicle.speed", frequency: 5 }, + { pid: 0xf, name: "intake.air.temperature", frequency: 1 }, + { pid: 0x10, name: "mass.airflow", frequency: 5 }, + { pid: 0x11, name: "throttle.position", frequency: 5 }, + { pid: 0x1f, name: "running.time", frequency: 1 }, + { pid: 0x27, name: "fuel.level", frequency: 1 }, + { pid: 0x33, name: "barometric.pressure", frequency: 1 }, + { pid: 0x4c, name: "commanded.throttle.position", frequency: 1 }, + { pid: 0x52, name: "ethanol.fuel.percentage", frequency: 1 }, + { pid: 0x5a, name: "accelerator.pedal.position", frequency: 5 }, + { pid: 0x5c, name: "engine.oil.temperature", frequency: 1 }, + { pid: 0x63, name: "engine.torque", frequency: 1 }, }; */ /* Public: Check if a request is an OBD-II PID request. * - * Returns true if the request is a mode 1 request and it has a 1 byte PID. + * Returns true if the request is a mode 1 request and it has a 1 byte PID. */ bool isObd2Request(DiagnosticRequest* request); @@ -100,39 +117,34 @@ float handleObd2Pid(const DiagnosticResponse* response, float parsedPayload); * then request them regularly */ class Obd2Handler_c { - private: - /* - * Pre-defined OBD-II PIDs to query for if supported by the vehicle. - */ - const Obd2Pid OBD2_PIDS[] = { - { pid: 0x4, name: "obd2.engine.load", min:0, max: 100, unit: POURCENT, frequency: 5 }, - { pid: 0x5, name: "obd2.engine.coolant.temperature", min: -40, max: 215, unit: DEGREES_CELSIUS, frequency: 1 }, - { pid: 0xa, name: "obd2.fuel.pressure", min: 0, max: 765, unit: KPA, frequency: 1 }, - { pid: 0xb, name: "obd2.intake.manifold.pressure", min: 0, max: 255, unit: KPA, frequency: 1 }, - { pid: 0xc, name: "obd2.engine.speed", min: 0, max: 16383, unit: RPM, frequency: 5 }, - { pid: 0xd, name: "obd2.vehicle.speed", min: 0, max: 255, unit: KM_H, frequency: 5 }, - { pid: 0xf, name: "obd2.intake.air.temperature", min: -40, max:215, unit: DEGREES_CELSIUS, frequency: 1 }, - { pid: 0x10, name: "obd2.mass.airflow", min: 0, max: 655, unit: GRAMS_SEC, frequency: 5 }, - { pid: 0x11, name: "obd2.throttle.position", min: 0, max: 100, unit: POURCENT, frequency: 5 }, - { pid: 0x1f, name: "obd2.running.time", min: 0, max: 65535, unit: SECONDS, frequency: 1 }, - { pid: 0x2d, name: "obd2.EGR.error", min: -100, max: 99, unit: POURCENT, frequency: 0 }, - { pid: 0x2f, name: "obd2.fuel.level", min: 0, max: 100, unit: POURCENT, frequency: 1 }, - { pid: 0x33, name: "obd2.barometric.pressure", min: 0, max: 255, unit: KPA, frequency: 1 }, - { pid: 0x4c, name: "obd2.commanded.throttle.position", min: 0, max: 100, unit: POURCENT, frequency: 1 }, - { pid: 0x52, name: "obd2.ethanol.fuel.percentage", min: 0, max: 100, unit: POURCENT, frequency: 1 }, - { pid: 0x5a, name: "obd2.accelerator.pedal.position", min: 0, max: 100, unit: POURCENT, frequency: 5 }, - { pid: 0x5b, name: "obd2.hybrid.battery-pack.remaining.life", min: 0, max: 100, unit: POURCENT, frequency: 5 }, - { pid: 0x5c, name: "obd2.engine.oil.temperature",min: -40, max: 210, unit: DEGREES_CELSIUS, frequency: 1 }, - { pid: 0x63, name: "obd2.engine.torque", min: 0, max: 65535, unit: NM, frequency: 1 }, - }; - - /* - * Will be populated with constructor - */ - Obd2Pid supported_pids[]; + private: + /* + * Pre-defined OBD-II PIDs to query for if supported by the vehicle. + */ + const Obd2Pid OBD2_PIDS[] = { + { pid: 0x04, name: "obd2.engine.load", min:0, max: 100, unit: POURCENT, frequency: 5, supported: false }, + { pid: 0x05, name: "obd2.engine.coolant.temperature", min: -40, max: 215, unit: DEGREES_CELSIUS, frequency: 1, supported: false }, + { pid: 0x0a, name: "obd2.fuel.pressure", min: 0, max: 765, unit: KPA, frequency: 1, supported: false }, + { pid: 0x0b, name: "obd2.intake.manifold.pressure", min: 0, max: 255, unit: KPA, frequency: 1, supported: false }, + { pid: 0x0c, name: "obd2.engine.speed", min: 0, max: 16383, unit: RPM, frequency: 5, supported: false }, + { pid: 0x0d, name: "obd2.vehicle.speed", min: 0, max: 255, unit: KM_H, frequency: 5, supported: false }, + { pid: 0x0f, name: "obd2.intake.air.temperature", min: -40, max:215, unit: DEGREES_CELSIUS, frequency: 1, supported: false }, + { pid: 0x10, name: "obd2.mass.airflow", min: 0, max: 655, unit: GRAMS_SEC, frequency: 5, supported: false }, + { pid: 0x11, name: "obd2.throttle.position", min: 0, max: 100, unit: POURCENT, frequency: 5, supported: false }, + { pid: 0x1f, name: "obd2.running.time", min: 0, max: 65535, unit: SECONDS, frequency: 1, supported: false }, + { pid: 0x2d, name: "obd2.EGR.error", min: -100, max: 99, unit: POURCENT, frequency: 0, supported: false }, + { pid: 0x2f, name: "obd2.fuel.level", min: 0, max: 100, unit: POURCENT, frequency: 1, supported: false }, + { pid: 0x33, name: "obd2.barometric.pressure", min: 0, max: 255, unit: KPA, frequency: 1, supported: false }, + { pid: 0x4c, name: "obd2.commanded.throttle.position", min: 0, max: 100, unit: POURCENT, frequency: 1, supported: false }, + { pid: 0x52, name: "obd2.ethanol.fuel.percentage", min: 0, max: 100, unit: POURCENT, frequency: 1, supported: false }, + { pid: 0x5a, name: "obd2.accelerator.pedal.position", min: 0, max: 100, unit: POURCENT, frequency: 5, supported: false }, + { pid: 0x5b, name: "obd2.hybrid.battery-pack.remaining.life", min: 0, max: 100, unit: POURCENT, frequency: 5, supported: false }, + { pid: 0x5c, name: "obd2.engine.oil.temperature",min: -40, max: 210, unit: DEGREES_CELSIUS, frequency: 1, supported: false }, + { pid: 0x63, name: "obd2.engine.torque", min: 0, max: 65535, unit: NM, frequency: 1, supported: false }, + }; - public: - Obd2Handler_c(); - - bool isObd2Request(request); -}
\ No newline at end of file + public: + Obd2Handler_c(); + + bool isObd2Request(request); +} |