board_configuration.cpp

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#include "pch.h"
#include "board_overrides.h"
 
/**
 * @brief   Board-specific configuration defaults.
 
 */
 
/* NOTE:
 * All outputs are in open drain mode as pull-up to 5V is
 * used as level shifter for MOSFETs/IGBTs */
 
static void setInjectorPins() {
    engineConfiguration->injectionPins[0] = Gpio::D8;
    engineConfiguration->injectionPins[1] = Gpio::D9;
    engineConfiguration->injectionPins[2] = Gpio::D10;
    engineConfiguration->injectionPins[3] = Gpio::D11;
 
    engineConfiguration->injectionPinMode = OM_OPENDRAIN;
}
 
Gpio getWarningLedPin() {
    // this board has no warning led
    return Gpio::Unassigned;
}
 
Gpio getCommsLedPin() {
    // this board has no comms led
    return Gpio::Unassigned;
}
 
Gpio getRunningLedPin() {
    return Gpio::Unassigned;
}
 
static void setIgnitionPins() {
    engineConfiguration->ignitionPins[0] = Gpio::D13;
    engineConfiguration->ignitionPins[1] = Gpio::D12;
    engineConfiguration->ignitionPins[2] = Gpio::D15;
    engineConfiguration->ignitionPins[3] = Gpio::D14;
 
    engineConfiguration->ignitionPinMode = OM_OPENDRAIN;
}
 
static void s105_boardDefaultConfiguration() {
    setInjectorPins();
    setIgnitionPins();
 
    strcpy(engineConfiguration->engineMake, "UAZ");
    strcpy(engineConfiguration->engineCode, "451");
 
    // No LEDs on this board, do we need some unused pin tp toggle? PC14 of LSI did not work for blinking, any better alternatives?
 
    engineConfiguration->malfunctionIndicatorPin = Gpio::E14;
    engineConfiguration->malfunctionIndicatorPinMode = OM_OPENDRAIN;
    engineConfiguration->tachOutputPin = Gpio::B8;  /* not populated by default */
    engineConfiguration->tachOutputPinMode = OM_OPENDRAIN;
    //engineConfiguration->idle.solenoidPin = ?
    engineConfiguration->idle.solenoidPinMode = OM_OPENDRAIN;
    engineConfiguration->fanPin = Gpio::D6;         /* not populated by default */
    engineConfiguration->fanPinMode = OM_OPENDRAIN;
    //engineConfiguration->mainRelayPin = ?;
    engineConfiguration->mainRelayPinMode = OM_OPENDRAIN;
 
    engineConfiguration->cylindersCount = 4;
    engineConfiguration->firingOrder = FO_1_2_4_3;
 
    engineConfiguration->ignitionMode = IM_WASTED_SPARK;
    engineConfiguration->crankingInjectionMode = IM_SIMULTANEOUS;
    engineConfiguration->injectionMode = IM_SEQUENTIAL;
 
    engineConfiguration->verboseCan = true;
 
    engineConfiguration->tps1_1AdcChannel = EFI_ADC_1;
    engineConfiguration->mafAdcChannel = EFI_ADC_11;
    engineConfiguration->map.sensor.hwChannel = EFI_ADC_0;
    engineConfiguration->afr.hwChannel = EFI_ADC_NONE;
    engineConfiguration->clt.adcChannel = EFI_ADC_3;
    engineConfiguration->iat.adcChannel = EFI_ADC_14;
    engineConfiguration->triggerInputPins[0] = Gpio::B10;
}
 
static void setupVbatt() {
    // There are two different input dividers:
    // 22K (high) + 22K (low) on IAT and CLT
    // 22K (high) + 41.2K (low) on TPS and MAP
    engineConfiguration->analogInputDividerCoefficient = (22.0 + 22.0) / 22.0;
    // TODO: TPS and MAP
    //engineConfiguration->analogInputDividerCoefficient = (22.0 + 41.2) / 22.0;
 
    // 68K + 6.8k
    engineConfiguration->vbattDividerCoeff = (68 + 6.8) / 6.8;
 
    // pin input +12 from Main Relay
    engineConfiguration->vbattAdcChannel = EFI_ADC_9;
 
    engineConfiguration->adcVcc = 3.3f;
}
 
static void s105_boardConfigOverrides() {
    setupVbatt();
 
    //1.5K
    engineConfiguration->clt.config.bias_resistor = 1500;
    engineConfiguration->iat.config.bias_resistor = 1500;
 
    //CAN 1 bus overwrites
    engineConfiguration->canRxPin = Gpio::A11;
    engineConfiguration->canTxPin = Gpio::A12;
}
 
float getAnalogInputDividerCoefficient(adc_channel_e hwChannel) {
    switch (hwChannel) {
        /* MAP, TPS, MAF (na), AC press (na) */
        case EFI_ADC_0:
        case EFI_ADC_1:
        case EFI_ADC_11:
        case EFI_ADC_6:
            return (22.0 + 41.2) / 41.2;
 
        /* IAT, CLT */
        case EFI_ADC_3:
        case EFI_ADC_14:
            /* no divider, 1.5K pull-up to 3.3V, 22K pull-down */
            /* TODO: handle both pull-up and pull-down */
            return 1.0;
 
        /* AFR 1, AFR 2 (na), knock (TBD) */
        case EFI_ADC_7:
        case EFI_ADC_5:
        case EFI_ADC_2:
            /* no divider */
            return 1.0;
 
        /* +12 sense, Ignition switch */
        case EFI_ADC_9:
        case EFI_ADC_8:
            return (68.0 + 6.8) / 6.8;
 
        /* 5V feedback */
        case EFI_ADC_10:
            return (10.0 + 10.0) / 10.0;
 
        /* Ignition feedback */
        case EFI_ADC_12:
        case EFI_ADC_13:
            /* TBD */
            return 1.0;
 
        default:
            return engineConfiguration->analogInputDividerCoefficient;
    }
    return engineConfiguration->analogInputDividerCoefficient;
}
 
void setup_custom_board_overrides() {
    custom_board_DefaultConfiguration = s105_boardDefaultConfiguration;
    custom_board_ConfigOverrides = s105_boardConfigOverrides;
}