ardupilot/libraries/AP_EFI/AP_EFI_Serial_Hirth.h

213 lines
7.4 KiB
C++

/*
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include "AP_EFI_config.h"
#if AP_EFI_SERIAL_HIRTH_ENABLED
#include "AP_EFI.h"
#include "AP_EFI_Backend.h"
/*!
* class definition for Hirth 4103 ECU
*/
class AP_EFI_Serial_Hirth: public AP_EFI_Backend {
public:
AP_EFI_Serial_Hirth(AP_EFI &_frontend);
void update() override;
enum class Error_Excess_Temp_Bitfield : uint16_t {
CHT_1_LOW = 1U<<0, // true if CHT1 is too low
CHT_1_HIGH = 1U<<1, // true if CHT1 is too high
CHT_1_ENRC_ACTIVE = 1U<<2, // true if CHT1 Enrichment is active
CHT_2_LOW = 1U<<3, // true if CHT2 is too low
CHT_2_HIGH = 1U<<4, // true if CHT2 is too high
CHT_2_ENRC_ACTIVE = 1U<<5, // true if CHT2 Enrichment is active
EGT_1_LOW = 1U<<6, // true if EGT1 is too low
EGT_1_HIGH = 1U<<7, // true if EGT1 is too high
EGT_1_ENRC_ACTIVE = 1U<<8, // true if EGT1 Enrichment is active
EGT_2_LOW = 1U<<9, // true if EGT2 is too low
EGT_2_HIGH = 1U<<10, // true if EGT2 is too high
EGT_2_ENRC_ACTIVE = 1U<<11, // true if EGT2 Enrichment is active
};
enum class Sensor_Status_Bitfield : uint8_t {
ENGINE_TEMP_SENSOR_OK = 1U<<1, // true if engine temperature sensor is OK
AIR_TEMP_SENSOR_OK = 1U<<2, // true if air temperature sensor is OK
AIR_PRESSURE_SENSOR_OK = 1U<<3, // true if intake air pressure sensor is OK
THROTTLE_SENSOR_OK = 1U<<4, // true if throttle sensor is OK
};
private:
// serial port instance
AP_HAL::UARTDriver *port;
// periodic refresh
uint32_t last_request_ms;
uint32_t last_packet_ms;
uint32_t last_req_send_throttle_ms;
// raw bytes - max size
uint8_t raw_data[256];
// request and response data
uint8_t requested_code;
// meta-data for a response
struct {
uint8_t quantity;
uint8_t code;
uint8_t checksum;
} res_data;
// TRUE - Request is sent; waiting for response
// FALSE - Response is already received
bool waiting_response;
// Expected bytes from response
uint8_t expected_bytes;
// Throttle values
uint16_t last_throttle;
uint16_t throttle_to_hirth;
uint32_t last_fuel_integration_ms;
// custom status for Hirth
uint16_t sensor_status;
uint16_t error_excess_temperature;
uint32_t crc_fail_cnt;
uint32_t uptime;
uint32_t ack_fail_cnt;
struct PACKED Record1 {
uint8_t reserved1[2];
uint16_t save_in_flash; // "1 = data are saved in flash automatically"
uint8_t reserved2[4];
uint16_t engine_status;
uint16_t rpm;
uint8_t reserved3[12];
uint16_t number_of_interfering_pulses;
uint16_t reserved4[2];
uint16_t number_of_speed_errors;
uint16_t injection_time;
uint16_t ignition_angle;
uint16_t reserved5;
uint16_t voltage_throttle;
uint16_t reserved6;
uint8_t reserved7[2];
uint16_t voltage_engine_temperature;
uint16_t voltage_air_temperature;
uint8_t reserved8[2];
uint16_t voltage_int_air_pressure;
uint8_t reserved9[20];
int16_t throttle;
int16_t engine_temperature;
int16_t battery_voltage;
int16_t air_temperature;
int16_t reserved10;
uint16_t sensor_ok;
};
static_assert(sizeof(Record1) == 84, "incorrect Record1 length");
struct PACKED Record2 {
uint8_t reserved1[12];
int16_t injection_rate_from_basic_graphic_map;
int16_t reserved2;
int16_t basic_injection_rate;
int16_t injection_rate_from_air_correction;
int16_t reserved3;
int16_t injection_rate_from_warming_up_characteristic_curve;
int16_t injection_rate_from_acceleration_enrichment;
int16_t turn_on_time_of_intake_valves;
int16_t injection_rate_from_race_switch;
int16_t reserved4;
int16_t injection_angle_from_ignition_graphic_map;
int16_t injection_angle_from_air_temperature_characteristic_curve;
int16_t injection_angle_from_air_pressure_characteristic_curve;
int16_t ignition_angle_from_engine_temperature_characteristic_curve;
int16_t ignition_angle_from_acceleration;
int16_t ignition_angle_from_race_switch;
uint32_t total_time_in_26ms;
uint32_t total_number_of_rotations;
uint16_t fuel_consumption;
uint16_t number_of_errors_in_error_memory;
int16_t voltage_input1_throttle_target;
int16_t reserved5;
int16_t position_throttle_target;
int16_t throttle_percent_times_10; // percent * 0.1
int16_t reserved6[3];
uint16_t time_of_injector_opening_percent_times_10;
uint8_t reserved7[10];
uint32_t no_of_logged_data;
uint8_t reserved8[12];
};
static_assert(sizeof(Record2) == 98, "incorrect Record2 length");
struct PACKED Record3 {
int16_t voltage_excess_temperature_1;
int16_t voltage_excess_temperature_2;
int16_t voltage_excess_temperature_3;
int16_t voltage_excess_temperature_4;
int16_t voltage_excess_temperature_5;
uint8_t reserved1[6];
int16_t excess_temperature_1; // cht1
int16_t excess_temperature_2; // cht2
int16_t excess_temperature_3; // egt1
int16_t excess_temperature_4; // egt2
int16_t excess_temperature_5;
uint8_t reserved2[6];
int16_t enrichment_excess_temperature_cylinder_1;
int16_t enrichment_excess_temperature_cylinder_2;
int16_t enrichment_excess_temperature_cylinder_3;
int16_t enrichment_excess_temperature_cylinder_4;
uint8_t reserved3[6];
uint16_t error_excess_temperature_bitfield;
uint16_t mixing_ratio_oil_pump1;
uint16_t mixing_ratio_oil_pump2;
uint16_t ouput_value_water_pump;
uint16_t ouput_value_fuel_pump;
uint16_t ouput_value_exhaust_valve;
uint16_t ouput_value_air_vane;
uint16_t ouput_value_e_throttle;
uint16_t number_of_injections_oil_pump_1;
uint32_t system_time_in_ms;
int16_t number_of_injections_oil_pump_2;
uint16_t target_rpm;
uint16_t FPC;
uint16_t xenrichment_excess_temperature_cylinder_1;
uint16_t xenrichment_excess_temperature_cylinder_2;
uint16_t xenrichment_excess_temperature_cylinder_3;
uint16_t xenrichment_excess_temperature_cylinder_4;
uint16_t voltage_input_temperature_crankshaft_housing;
int16_t temperature_crankshaft_housing;
uint8_t reserved4[14];
};
static_assert(sizeof(Record3) == 100, "incorrect Record3 length");
void check_response();
void send_request();
void decode_data();
bool send_request_status();
bool send_target_values(uint16_t);
void log_status();
};
#endif // AP_EFI_SERIAL_HIRTH_ENABLED