mirror of https://github.com/ArduPilot/ardupilot
134 lines
4.5 KiB
C++
134 lines
4.5 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_HAL/AP_HAL.h>
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#include <AP_Common/AP_Common.h>
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#include <AP_HAL/utility/sparse-endian.h>
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#include <AP_Math/AP_Math.h>
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#include "AP_EFI_NWPMU.h"
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#if HAL_EFI_NWPWU_ENABLED
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extern const AP_HAL::HAL& hal;
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AP_EFI_NWPMU::AP_EFI_NWPMU(AP_EFI &_frontend) :
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CANSensor("NWPMU"),
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AP_EFI_Backend(_frontend)
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{
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register_driver(AP_CANManager::Driver_Type_EFI_NWPMU);
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}
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void AP_EFI_NWPMU::handle_frame(AP_HAL::CANFrame &frame)
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{
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const uint32_t id = frame.id & AP_HAL::CANFrame::MaskExtID;
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WITH_SEMAPHORE(sem);
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switch ((NWPMU_ID)id) {
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case NWPMU_ID::ECU_1: {
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internal_state.last_updated_ms = AP_HAL::millis();
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struct ecu_1 data;
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memcpy(&data, frame.data, sizeof(data));
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internal_state.engine_speed_rpm = data.rpm;
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internal_state.throttle_position_percent = data.tps * 0.1f;
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internal_state.cylinder_status[0].ignition_timing_deg = data.ignition_angle * 0.1f;
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break;
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}
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case NWPMU_ID::ECU_2: {
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internal_state.last_updated_ms = AP_HAL::millis();
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struct ecu_2 data;
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memcpy(&data, frame.data, sizeof(data));
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switch ((NWPMU_PRESSURE_TYPE)data.pressure_type) {
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case NWPMU_PRESSURE_TYPE::kPa:
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internal_state.atmospheric_pressure_kpa = data.baro * 0.01f;
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internal_state.intake_manifold_pressure_kpa = data.baro * 0.01f;
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break;
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case NWPMU_PRESSURE_TYPE::psi:
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internal_state.atmospheric_pressure_kpa = data.baro * 0.0689476f;
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internal_state.intake_manifold_pressure_kpa = data.baro * 0.0689476f;
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break;
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default:
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break;
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}
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internal_state.cylinder_status[0].lambda_coefficient = data.lambda * 0.01f;
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break;
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}
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case NWPMU_ID::ECU_4: {
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internal_state.last_updated_ms = AP_HAL::millis();
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struct ecu_4 data;
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memcpy(&data, frame.data, sizeof(data));
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// remap the analog input for fuel pressure, 0.5 V == 0 PSI, 4.5V == 100 PSI
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internal_state.fuel_pressure = linear_interpolate(0, 689.476,
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data.analog_fuel_pres * 0.001,
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0.5f,4.5f);
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break;
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}
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case NWPMU_ID::ECU_5: {
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internal_state.last_updated_ms = AP_HAL::millis();
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struct ecu_5 data;
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memcpy(&data, frame.data, sizeof(data));
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switch((NWPMU_TEMPERATURE_TYPE)data.temp_type) {
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case NWPMU_TEMPERATURE_TYPE::C:
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internal_state.coolant_temperature = C_TO_KELVIN(data.coolant_temp * 0.1f);
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internal_state.cylinder_status[0].cylinder_head_temperature = C_TO_KELVIN(data.coolant_temp * 0.1f);
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break;
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case NWPMU_TEMPERATURE_TYPE::F:
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internal_state.coolant_temperature = F_TO_KELVIN(data.coolant_temp * 0.1f);
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internal_state.cylinder_status[0].cylinder_head_temperature = F_TO_KELVIN(data.coolant_temp * 0.1f);
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break;
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default:
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break;
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}
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break;
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}
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case NWPMU_ID::ECU_6: {
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internal_state.last_updated_ms = AP_HAL::millis();
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struct ecu_6 data;
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memcpy(&data, frame.data, sizeof(data));
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if (!_emitted_version && (AP_HAL::millis() > 10000)) { // don't emit a version early in the boot process
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gcs().send_text(MAV_SEVERITY_INFO, "NWPMU Version: %d.%d.%d",
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data.firmware_major,
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data.firmware_minor,
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data.firmware_build);
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_emitted_version = true;
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}
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break;
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}
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case NWPMU_ID::GCU:
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case NWPMU_ID::ECU_3:
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case NWPMU_ID::ECU_7:
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case NWPMU_ID::ECU_8:
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case NWPMU_ID::ECU_9:
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case NWPMU_ID::ECU_10:
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case NWPMU_ID::ECU_11:
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case NWPMU_ID::ECU_12:
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break;
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}
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}
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void AP_EFI_NWPMU::update()
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{
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// copy the data to the front end
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copy_to_frontend();
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}
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#endif // HAL_EFI_NWPWU_ENABLED
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