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Added AP_EFI_Serial_FH driver, changed AP_EFI and config to accommodate new driver #27313

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gonzoveliki
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Dedicated serial driver for getting telemetry from EFI Fly Henry.
https://www.[flyhenry.cz/images/navody-pdf/engine-management/Engine_Management_Manual_260_Fly_henry1.pdf
It is still in development, I have to map and scale all readings thoroughly. It's not breaking anything... tested with CubeOrange+

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I would strongly suggest using a much simpler parser for the packets, as outlined.


#if AP_EFI_SERIAL_FH_ENABLED

#include <AP_HAL/AP_HAL.h>
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I don't think anything's being used from this header.

Comment on lines +32 to +33
extern const AP_HAL::HAL &hal;

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Suggested change
extern const AP_HAL::HAL &hal;

libraries/AP_EFI/AP_EFI_Serial_FH.cpp Outdated Show resolved Hide resolved
Comment on lines +40 to +48
// Indicate that temperature and fuel pressure are supported
internal_state.fuel_pressure_status = Fuel_Pressure_Status::OK;
internal_state.temperature_status = Temperature_Status::OK;

// FlyHenry ECU reports EGT
internal_state.cylinder_status.exhaust_gas_temperature = 0;
internal_state.cylinder_status.exhaust_gas_temperature2 = 0;

}
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Initialise these in the header files where the variable is declared.

Do not initialise variables to zero unless they're on the stack (https://ardupilot.org/dev/docs/style-guide.html#implicit-zeroing-of-memory)

}


bool AP_EFI_Serial_FH::process(uint32_t const now) {
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bool AP_EFI_Serial_FH::process(uint32_t const now) {
bool AP_EFI_Serial_FH::process(uint32_t const now)
{

You can use astyle to conform to the code style guides.

Comment on lines +52 to +57
uint8_t sum8(uint8_t *buf, size_t len) {
uint8_t sum = 0;
for (size_t i = 0; i < len; i++) sum += buf[i];
return sum;
}

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uint8_t sum8(uint8_t *buf, size_t len) {
uint8_t sum = 0;
for (size_t i = 0; i < len; i++) sum += buf[i];
return sum;
}

available as crc_sum_of_bytes

Comment on lines +58 to +68
float convertFuelConsumption(float fuelConsumption_lph) {
const int // Conversion factors
litersToCubicCentimeters = 1000,// 1 liter = 1000 cm³
hoursToMinutes = 60; // 1 hour = 60 minutes

float // Convert l/h to cm³/m
fuelConsumption_cmh = fuelConsumption_lph * litersToCubicCentimeters,// l/h to cm³/h
fuelConsumption_cmm = fuelConsumption_cmh / hoursToMinutes; // cm³/h to cm³/m

return fuelConsumption_cmm;
}
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Move this to the cpp file

uint8_t pkt[50];
};
size_t ind;
uint32_t last_recv; // ms
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Suggested change
uint32_t last_recv; // ms

use last_recv_ms

@@ -32,6 +32,10 @@
#define AP_EFI_SCRIPTING_ENABLED (AP_EFI_BACKEND_DEFAULT_ENABLED && AP_SCRIPTING_ENABLED)
#endif

#ifndef AP_EFI_SERIAL_FH_ENABLED
#define AP_EFI_SERIAL_FH_ENABLED AP_EFI_BACKEND_DEFAULT_ENABLED
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#define AP_EFI_SERIAL_FH_ENABLED AP_EFI_BACKEND_DEFAULT_ENABLED
#define AP_EFI_SERIAL_FH_ENABLED AP_EFI_BACKEND_DEFAULT_ENABLED && AP_ICENGINE_ENABLED

@@ -73,7 +73,7 @@ class AP_ICEngine {

static AP_ICEngine *get_singleton() { return _singleton; }

private:
//!!private:
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Yeah, no. This isn't acceptable.

If you think you can make a reasonable case for exposing the state machine state, make an accessor for it. Check other available interface lements first....

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needs build_options.py and extract_features.py

@peterbarker
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Ping @gonzoveliki this is awaiting rework.

@Hwurzburg
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@peterbarker aren't we doing LUA drivers instead of C++ drivers now for EFI?

@gonzoveliki gonzoveliki closed this by deleting the head repository Oct 28, 2024
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3 participants