mirror of https://github.com/ArduPilot/ardupilot
269 lines
9.0 KiB
C++
269 lines
9.0 KiB
C++
/*
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "AP_EFI.h"
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#if HAL_EFI_ENABLED
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#include "AP_EFI_Serial_MS.h"
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#include "AP_EFI_Serial_Lutan.h"
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#include "AP_EFI_NWPMU.h"
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#include "AP_EFI_DroneCAN.h"
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#include <AP_Logger/AP_Logger.h>
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#if HAL_MAX_CAN_PROTOCOL_DRIVERS
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#include <AP_CANManager/AP_CANManager.h>
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#endif
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extern const AP_HAL::HAL& hal;
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// table of user settable parameters
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const AP_Param::GroupInfo AP_EFI::var_info[] = {
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// @Param: _TYPE
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// @DisplayName: EFI communication type
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// @Description: What method of communication is used for EFI #1
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// @Values: 0:None,1:Serial-MS,2:NWPMU,3:Serial-Lutan,5:DroneCAN
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// @User: Advanced
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// @RebootRequired: True
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AP_GROUPINFO_FLAGS("_TYPE", 1, AP_EFI, type, 0, AP_PARAM_FLAG_ENABLE),
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// @Param: _COEF1
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// @DisplayName: EFI Calibration Coefficient 1
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// @Description: Used to calibrate fuel flow for MS protocol (Slope). This should be calculated from a log at constant fuel usage rate. Plot (ECYL[0].InjT*EFI.Rpm)/600.0 to get the duty_cycle. Measure actual fuel usage in cm^3/min, and set EFI_COEF1 = fuel_usage_cm3permin / duty_cycle
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// @Range: 0 1
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// @User: Advanced
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AP_GROUPINFO("_COEF1", 2, AP_EFI, coef1, 0),
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// @Param: _COEF2
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// @DisplayName: EFI Calibration Coefficient 2
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// @Description: Used to calibrate fuel flow for MS protocol (Offset). This can be used to correct for a non-zero offset in the fuel consumption calculation of EFI_COEF1
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// @Range: 0 10
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// @User: Advanced
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AP_GROUPINFO("_COEF2", 3, AP_EFI, coef2, 0),
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AP_GROUPEND
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};
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AP_EFI *AP_EFI::singleton;
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// Initialize parameters
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AP_EFI::AP_EFI()
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{
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singleton = this;
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AP_Param::setup_object_defaults(this, var_info);
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}
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// Initialize backends based on existing params
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void AP_EFI::init(void)
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{
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if (backend != nullptr) {
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// Init called twice, perhaps
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return;
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}
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switch ((Type)type.get()) {
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case Type::NONE:
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break;
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case Type::MegaSquirt:
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backend = new AP_EFI_Serial_MS(*this);
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break;
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case Type::Lutan:
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backend = new AP_EFI_Serial_Lutan(*this);
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break;
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case Type::NWPMU:
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#if HAL_EFI_NWPWU_ENABLED
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backend = new AP_EFI_NWPMU(*this);
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#endif
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break;
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case Type::DroneCAN:
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#if HAL_EFI_DRONECAN_ENABLED
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backend = new AP_EFI_DroneCAN(*this);
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#endif
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break;
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default:
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GCS_SEND_TEXT(MAV_SEVERITY_INFO, "Unknown EFI type");
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break;
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}
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}
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// Ask all backends to update the frontend
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void AP_EFI::update()
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{
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if (backend) {
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backend->update();
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#if HAL_LOGGING_ENABLED
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log_status();
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#endif
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}
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}
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bool AP_EFI::is_healthy(void) const
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{
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return (backend && (AP_HAL::millis() - state.last_updated_ms) < HEALTHY_LAST_RECEIVED_MS);
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}
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#if HAL_LOGGING_ENABLED
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/*
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write status to log
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*/
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void AP_EFI::log_status(void)
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{
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// @LoggerMessage: EFI
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// @Description: Electronic Fuel Injection system data
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// @Field: TimeUS: Time since system startup
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// @Field: LP: Reported engine load
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// @Field: Rpm: Reported engine RPM
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// @Field: SDT: Spark Dwell Time
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// @Field: ATM: Atmospheric pressure
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// @Field: IMP: Intake manifold pressure
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// @Field: IMT: Intake manifold temperature
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// @Field: ECT: Engine Coolant Temperature
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// @Field: OilP: Oil Pressure
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// @Field: OilT: Oil temperature
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// @Field: FP: Fuel Pressure
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// @Field: FCR: Fuel Consumption Rate
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// @Field: CFV: Consumed fueld volume
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// @Field: TPS: Throttle Position
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// @Field: IDX: Index of the publishing ECU
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AP::logger().WriteStreaming("EFI",
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"TimeUS,LP,Rpm,SDT,ATM,IMP,IMT,ECT,OilP,OilT,FP,FCR,CFV,TPS,IDX",
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"s%qsPPOOPOP--%-",
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"F00C--00-0-0000",
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"QBIffffffffffBB",
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AP_HAL::micros64(),
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uint8_t(state.engine_load_percent),
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uint32_t(state.engine_speed_rpm),
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float(state.spark_dwell_time_ms),
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float(state.atmospheric_pressure_kpa),
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float(state.intake_manifold_pressure_kpa),
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float(state.intake_manifold_temperature),
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float(state.coolant_temperature),
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float(state.oil_pressure),
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float(state.oil_temperature),
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float(state.fuel_pressure),
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float(state.fuel_consumption_rate_cm3pm),
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float(state.estimated_consumed_fuel_volume_cm3),
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uint8_t(state.throttle_position_percent),
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uint8_t(state.ecu_index));
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// @LoggerMessage: EFI2
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// @Description: Electronic Fuel Injection system data - redux
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// @Field: TimeUS: Time since system startup
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// @Field: Healthy: True if EFI is healthy
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// @Field: ES: Engine state
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// @Field: GE: General error
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// @Field: CSE: Crankshaft sensor status
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// @Field: TS: Temperature status
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// @Field: FPS: Fuel pressure status
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// @Field: OPS: Oil pressure status
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// @Field: DS: Detonation status
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// @Field: MS: Misfire status
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// @Field: DebS: Debris status
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// @Field: SPU: Spark plug usage
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// @Field: IDX: Index of the publishing ECU
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AP::logger().WriteStreaming("EFI2",
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"TimeUS,Healthy,ES,GE,CSE,TS,FPS,OPS,DS,MS,DebS,SPU,IDX",
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"s------------",
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"F------------",
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"QBBBBBBBBBBBB",
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AP_HAL::micros64(),
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uint8_t(is_healthy()),
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uint8_t(state.engine_state),
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uint8_t(state.general_error),
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uint8_t(state.crankshaft_sensor_status),
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uint8_t(state.temperature_status),
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uint8_t(state.fuel_pressure_status),
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uint8_t(state.oil_pressure_status),
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uint8_t(state.detonation_status),
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uint8_t(state.misfire_status),
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uint8_t(state.debris_status),
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uint8_t(state.spark_plug_usage),
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uint8_t(state.ecu_index));
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for (uint8_t i = 0; i < ENGINE_MAX_CYLINDERS; i++) {
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// @LoggerMessage: ECYL
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// @Description: EFI per-cylinder information
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// @Field: TimeUS: Time since system startup
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// @Field: Inst: Cylinder this data belongs to
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// @Field: IgnT: Ignition timing
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// @Field: InjT: Injection time
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// @Field: CHT: Cylinder head temperature
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// @Field: EGT: Exhaust gas temperature
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// @Field: Lambda: Estimated lambda coefficient (dimensionless ratio)
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// @Field: IDX: Index of the publishing ECU
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AP::logger().WriteStreaming("ECYL",
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"TimeUS,Inst,IgnT,InjT,CHT,EGT,Lambda,IDX",
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"s#dsOO--",
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"F-0C0000",
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"QBfffffB",
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AP_HAL::micros64(),
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i,
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state.cylinder_status[i].ignition_timing_deg,
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state.cylinder_status[i].injection_time_ms,
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state.cylinder_status[i].cylinder_head_temperature,
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state.cylinder_status[i].exhaust_gas_temperature,
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state.cylinder_status[i].lambda_coefficient,
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state.ecu_index);
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}
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}
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#endif // LOGGING_ENABLED
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/*
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send EFI_STATUS
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*/
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void AP_EFI::send_mavlink_status(mavlink_channel_t chan)
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{
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if (!backend) {
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return;
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}
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mavlink_msg_efi_status_send(
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chan,
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AP_EFI::is_healthy(),
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state.ecu_index,
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state.engine_speed_rpm,
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state.estimated_consumed_fuel_volume_cm3,
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state.fuel_consumption_rate_cm3pm,
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state.engine_load_percent,
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state.throttle_position_percent,
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state.spark_dwell_time_ms,
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state.atmospheric_pressure_kpa,
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state.intake_manifold_pressure_kpa,
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KELVIN_TO_C(state.intake_manifold_temperature),
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KELVIN_TO_C(state.cylinder_status[0].cylinder_head_temperature),
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state.cylinder_status[0].ignition_timing_deg,
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state.cylinder_status[0].injection_time_ms,
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0, // exhaust gas temperature
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0, // throttle out
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0, // pressure/temperature compensation
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0 // ignition voltage (spark supply voltage)
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);
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}
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// get a copy of state structure
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void AP_EFI::get_state(EFI_State &_state)
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{
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WITH_SEMAPHORE(sem);
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_state = state;
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}
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namespace AP {
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AP_EFI *EFI()
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{
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return AP_EFI::get_singleton();
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}
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}
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#endif // HAL_EFI_ENABLED
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