serial_rx.cpp

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/**
 * @file    serial_rx.cpp
 *
 * 2024 Q1: do we really want to support Innovate LC-2 serial?
 * 2024 Q2: what else do we have here?
 * This file handles auxiliary serial communication.
 *
 * @date Mar 19, 2020
 * @author Konstantin Smola, (c) 2020
 */
 
#include "pch.h"
 
#if EFI_AUX_SERIAL
#include "serial.h"
#include "serial_hw.h"
#include "serial_sensor.h"
 
uint8_t ser_buffer[SERBUFFLEN] = {};
size_t innovate_msg_len = 1;
innovate_serial_id_state_t innovate_serial_id_state = UNKNOWN;
uint8_t sb = 0;
bool clear_ser_buffer = false;
 
SerialRead::SerialRead()
    : ThreadController("AUX Serial RX", PRIO_AUX_SERIAL) {
}
 
void SerialRead::ThreadTask() {
    while (true) {
        if (engineConfiguration->enableInnovateLC2) {
            len = innovate_msg_len;
        }
 
        if (len >= SERBUFFLEN)
          len = SERBUFFLEN;
 
        if (sdReadTimeout(AUX_SERIAL_DEVICE,  &ser_buffer[sb], len, TIME_100MSEC) == len) {
            ParseSerialData();
        } else {
            ResetSerialSensor();
        }
 
        //clear buffer every frame to avoid parsing old data
        if (clear_ser_buffer) {
            ClearSerialBuffer();
            clear_ser_buffer = false;
        }
    }
}
 
#endif // EFI_AUX_SERIAL