board_configuration.cpp

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/**
 * @file boards/microrusefi/board_configuration.cpp
 *
 *
 * @brief Configuration defaults for the microRusefi board
 *
 * MICRO_RUS_EFI
 * set engine_type 60
 *
 * MRE_BOARD_OLD_TEST
 * set engine_type 30
 *
 * MRE_BOARD_NEW_TEST
 * set engine_type 31
 *
 * See https://github.com/rusefi/rusefi/wiki/Hardware-microRusEfi-wiring
 *
 * @author Matthew Kennedy, (c) 2019
 */
 
#include "pch.h"
#include "mre_meta.h"
#include "defaults.h"
#include "board_overrides.h"
 
static void setInjectorPins() {
    engineConfiguration->injectionPins[0] = MRE_INJ_1;
    engineConfiguration->injectionPins[1] = MRE_INJ_2;
    engineConfiguration->injectionPins[2] = MRE_INJ_3;
    engineConfiguration->injectionPins[3] = MRE_INJ_4;
}
 
static void setIgnitionPins() {
    engineConfiguration->ignitionPins[0] = Gpio::D4;
    engineConfiguration->ignitionPins[1] = Gpio::D3;
    engineConfiguration->ignitionPins[2] = Gpio::D2;
    engineConfiguration->ignitionPins[3] = Gpio::D1;
}
 
Gpio getCommsLedPin() {
    return Gpio::E2; // d23 = blue
}
 
Gpio getRunningLedPin() {
    // D22 = green
    return Gpio::E4;
}
 
Gpio getWarningLedPin() {
    // D27 = orange or yellow
    return Gpio::E1;
}
 
static void setupVbatt() {
/*
 below 0.4
    // 1k high side/1.5k low side = 1.6667 ratio divider
    engineConfiguration->analogInputDividerCoefficient = 2.5f / 1.5f;
*/
 
    // 6.8k high side/10k low side = 1.68 ratio divider
    engineConfiguration->analogInputDividerCoefficient = 16.8f / 10.0f;
 
    // set vbatt_divider 8.23
    // R139=39k high side/R141=10k low side multiplied by above analogInputDividerCoefficient = 8.232f
    engineConfiguration->vbattDividerCoeff = (49.0f / 10.0f) * engineConfiguration->analogInputDividerCoefficient;
    // PC1, pin #1 input +12 from Main Relay. Main Relay controlled by TLE8888
    engineConfiguration->vbattAdcChannel = EFI_ADC_11;
 
    engineConfiguration->adcVcc = 3.3f;
}
 
static void setupTle8888() {
    // on microRusEFI SPI3 is exposed on PC10/PC11 and there is interest to use SD card there
    // PB3/PB4 could be either SPI1 or SP3, let's use not SPI3 to address the contention
 
    // Enable and wire up SPI1
    engineConfiguration->is_enabled_spi_1 = true;
    engineConfiguration->spi1mosiPin = Gpio::B5;
    engineConfiguration->spi1misoPin = Gpio::B4;
    engineConfiguration->spi1sckPin = Gpio::B3;
 
    // Chip select
    engineConfiguration->tle8888_cs = Gpio::D5;
 
    // SPI device
    engineConfiguration->tle8888spiDevice = SPI_DEVICE_1;
}
 
static void setupEtb() {
    setupTLE9201(/*PWM controlPin*/Gpio::C7, Gpio::A8, Gpio::C8);
}
 
static void setupDefaultSensorInputs() {
    // trigger inputs
    // tle8888 VR conditioner
    engineConfiguration->triggerInputPins[0] = Gpio::C6;
    engineConfiguration->triggerInputPins[1] = Gpio::Unassigned;
    // Direct hall-only cam input
    engineConfiguration->camInputs[0] = Gpio::A5;
 
    // open question if it's great to have TPS in default TPS - the down-side is for
    // vehicles without TPS or for first start without TPS one would have to turn in off
    // to avoid cranking corrections based on wrong TPS data
    engineConfiguration->tps1_1AdcChannel = MRE_IN_TPS;
 
    engineConfiguration->map.sensor.hwChannel = MRE_IN_MAP;
 
    // EFI_ADC_14: "32 - AN volt 6"
    engineConfiguration->afr.hwChannel = EFI_ADC_14;
 
    engineConfiguration->clt.adcChannel = MRE_IN_CLT;
 
    engineConfiguration->iat.adcChannel = MRE_IN_IAT;
 
#ifndef EFI_BOOTLOADER
    setCommonNTCSensor(&engineConfiguration->auxTempSensor1, MRE_DEFAULT_AT_PULLUP);
    setCommonNTCSensor(&engineConfiguration->auxTempSensor2, MRE_DEFAULT_AT_PULLUP);
#endif // EFI_BOOTLOADER
}
 
static void microrusefi_boardConfigOverrides() {
    setupVbatt();
    setupTle8888();
    setupEtb();
 
    engineConfiguration->clt.config.bias_resistor = 2700;
    engineConfiguration->iat.config.bias_resistor = 2700;
 
    engineConfiguration->canTxPin = Gpio::B6;
    engineConfiguration->canRxPin = Gpio::B12;
 
    // SPI2 for onboard SD card on v0.6.0
    engineConfiguration->is_enabled_spi_2 = true;
    engineConfiguration->spi2mosiPin = Gpio::B15;
    engineConfiguration->spi2misoPin = Gpio::B14;
    engineConfiguration->spi2sckPin = Gpio::B13;
 
    // SPI3 for expansion header
    // Don't override enable since you might want these pins for something else
    engineConfiguration->spi3mosiPin = Gpio::C12;
    engineConfiguration->spi3misoPin = Gpio::C11;
    engineConfiguration->spi3sckPin = Gpio::C10;
}
 
/**
 * @brief   Board-specific configuration defaults.
 *
 * See also setDefaultEngineConfiguration
 *
 
 */
static void microrusefi_boardDefaultConfiguration() {
    setInjectorPins();
    setIgnitionPins();
 
    // MRE has a special main relay control low side pin
    // rusEfi firmware is totally not involved with main relay control on microRusEfi board
    // todo: maybe even set EFI_MAIN_RELAY_CONTROL to FALSE for MRE configuration
    // TLE8888 half bridges (pushpull, lowside, or high-low)  TLE8888_IN11 / TLE8888_OUT21
    // Gpio::TLE8888_PIN_21: "35 - GP Out 1"
    engineConfiguration->fuelPumpPin = MRE_GPOUT_1;
 
//  engineConfiguration->isSdCardEnabled = true;
 
    // TLE8888 high current low side: VVT2 IN9 / OUT5
    // Gpio::E10: "3 - Lowside 2"
    engineConfiguration->idle.solenoidPin = MRE_LS_2;
 
 
    // Gpio::TLE8888_PIN_22: "34 - GP Out 2"
    engineConfiguration->fanPin = MRE_GPOUT_2;
 
    // "required" hardware is done - set some reasonable defaults
    setupDefaultSensorInputs();
 
    // Enable onboard SD card on v0.6.0
    engineConfiguration->sdCardSpiDevice = SPI_DEVICE_2;
    engineConfiguration->isSdCardEnabled = true;
    engineConfiguration->sdCardCsPin = Gpio::E15;
 
    // Don't enable expansion header SPI by default
    engineConfiguration->is_enabled_spi_3 = false;
 
    engineConfiguration->cylindersCount = 4;
    engineConfiguration->firingOrder = FO_1_3_4_2;
 
    engineConfiguration->ignitionMode = IM_INDIVIDUAL_COILS; // IM_WASTED_SPARK
    engineConfiguration->crankingInjectionMode = IM_SIMULTANEOUS;
    engineConfiguration->injectionMode = IM_SIMULTANEOUS;//IM_BATCH;// IM_SEQUENTIAL;
}
 
static Gpio MRE_OUTPUTS[] = {
MRE_INJ_1,
MRE_INJ_2,
MRE_INJ_3,
MRE_INJ_4,
MRE_LS_1,
};
 
static Gpio M111_OUTPUTS[] = {
MRE_INJ_1, // green
MRE_INJ_2, // white
MRE_INJ_3, // blue
MRE_INJ_4, //
#if HW_MICRO_RUSEFI
MRE_AV9_REUSE, // brown boost control
MRE_LS_1, // VVT
MRE_LS_2, // SC clutch
//MRE_GPOUT_3, // SC Bypass
#endif // HW_MICRO_RUSEFI
};
 
int getBoardMetaOutputsCount() {
    if (engineConfiguration->engineType == engine_type_e::MERCEDES_M111) {
        return efi::size(M111_OUTPUTS);
    }
    return efi::size(MRE_OUTPUTS);
}
 
Gpio* getBoardMetaOutputs() {
    if (engineConfiguration->engineType == engine_type_e::MERCEDES_M111) {
        return M111_OUTPUTS;
    }
    return MRE_OUTPUTS;
}
 
int getBoardMetaDcOutputsCount() {
    return 1;
}
 
void setup_custom_board_overrides() {
    custom_board_DefaultConfiguration = microrusefi_boardDefaultConfiguration;
    custom_board_ConfigOverrides =  microrusefi_boardConfigOverrides;
}