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Add mazduino-core board and publish lite INI artifacts
- boards/mazduino-core: STM32F427ZGT6, Proteus F4 pinout, dual ETB + traction control; prepend already has ts_show_idle_stepper=true so its generated INI ships the stepper idle UI (panel + Use Stepper toggle), consistent with the mini6ch stepper work - generated core INI + signature, generated.patch refresh - nightly-release: add mazduino-core to the build matrix - readme: document the Core board - ini/: published mazduino-lite auto-update INI snapshots
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‎.github/workflows/nightly-release.yaml‎

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- mazduino-compact (STM32F407VGT6, knock enabled)
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- mazduino-lite (STM32F407VGT6, no knock)
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- mazduino-mini6ch (STM32F427VGT6, ETB + traction control)
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- mazduino-core (STM32F427ZGT6, Proteus F4 pinout, dual ETB + traction control)
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- mazduino-mega100 (STM32F407VGT6, 1MB, full features, USB + CAN)
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- mazduino-mega100-512 (STM32F407VET6, 512KB, reduced feature set)
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‎boards/mazduino-core/board.mk‎

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# Requires STM32F427ZGT6 (LQFP144), not the VGT6 (LQFP100) used by the rest of
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# the mazduino fleet: this pinout uses GPIOG (LS 2-7, IGN 6-12), which the
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# 100-pin package does not bond out.
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ifneq ($(PROJECT_CPU),simulator)
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BOARDCPPSRC += \
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$(BOARD_DIR)/board_configuration.cpp \
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endif
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# STM32F427ZGT6: same core as F429 minus LTDC/DMA2D.
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# Enables SRAM3 (+64KB), correct flash driver, and EFI_IS_F42x features.
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# Clock stays at 168MHz so USB 48MHz remains exact (PLLN=336, PLLQ=7).
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IS_STM32F427 = yes
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# Hardware serial port on UART 2 -> PD5/PD6, same as official Proteus F4
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DDEFS += -DSTM32_UART_USE_USART2=TRUE
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DDEFS += -DTS_PRIMARY_UxART_PORT=UARTD2
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DDEFS += -DEFI_CONSOLE_TX_BRAIN_PIN=Gpio::D5 -DEFI_CONSOLE_RX_BRAIN_PIN=Gpio::D6
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DDEFS += -DEFI_WIDEBAND_FIRMWARE_UPDATE=FALSE
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DDEFS += -DRAM_UNUSED_SIZE=100
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DDEFS += -DSTM32_ADC_USE_ADC3=TRUE
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DDEFS += -DEFI_SOFTWARE_KNOCK=TRUE -DSTM32_ADC_USE_ADC3=TRUE
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DDEFS += -DKNOCK_SPECTROGRAM=TRUE
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# Comms/Running/Warning LEDs at PE4/PE5/PE6, error LED at PE3 - same as official Proteus F4
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DDEFS += -DLED_CRITICAL_ERROR_BRAIN_PIN=Gpio::E3
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# INI embedded in flash overflows the 768KB budget with CAN feature additions.
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# INI is published as a GitHub Releases artifact instead.
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DDEFS += -DEFI_EMBED_INI_MSD=FALSE
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# Same as official Proteus F4: EGO/DYNO view and RTC don't fit the F4 flash budget
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# alongside ETB + 12x12 outputs + knock spectrogram.
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DDEFS += -DEFI_DYNO_VIEW=FALSE
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DDEFS += -DEFI_RTC=FALSE
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# Mazda PFI — no GDI high-pressure fuel pump
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DDEFS += -DEFI_HPFP=FALSE

‎boards/mazduino-core/board_configuration.cpp‎

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/**
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* @file board_configuration.cpp
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* Mazduino Core
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* https://wiki.mazduino.com/mazduino-core/
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*
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* Pinout is identical to the official rusEFI Proteus F4 board.
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*/
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#include "pch.h"
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#include "board_overrides.h"
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// 12 low-side outputs, same as official Proteus F4 (LS_1..LS_12)
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static const brain_pin_e injPins[] = {
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Gpio::D7, // LS 1
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Gpio::G9, // LS 2
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Gpio::G10, // LS 3
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Gpio::G11, // LS 4
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Gpio::G12, // LS 5
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Gpio::G13, // LS 6
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Gpio::G14, // LS 7
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Gpio::B4, // LS 8
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Gpio::B5, // LS 9
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Gpio::B6, // LS 10
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Gpio::B7, // LS 11
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Gpio::B8, // LS 12
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};
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// 12 ignition outputs, same as official Proteus F4 (IGN_1..IGN_12)
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static const brain_pin_e ignPins[] = {
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Gpio::D4, // IGN 1
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Gpio::D3, // IGN 2
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Gpio::C9, // IGN 3
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Gpio::C8, // IGN 4
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Gpio::C7, // IGN 5
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Gpio::G8, // IGN 6
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Gpio::G7, // IGN 7
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Gpio::G6, // IGN 8
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Gpio::G5, // IGN 9
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Gpio::G4, // IGN 10
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Gpio::G3, // IGN 11
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Gpio::G2, // IGN 12
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};
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static void setInjectorPins() {
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copyArray(engineConfiguration->injectionPins, injPins);
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}
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static void setIgnitionPins() {
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copyArray(engineConfiguration->ignitionPins, ignPins);
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}
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Gpio getCommsLedPin() { return Gpio::E4; }
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Gpio getRunningLedPin() { return Gpio::E5; }
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Gpio getWarningLedPin() { return Gpio::E6; }
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// PE3 is the critical error LED, configured in board.mk
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static void setupVbatt() {
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// 5.6k high side/10k low side = 1.56 ratio divider
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engineConfiguration->analogInputDividerCoefficient = 1.56f;
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// 82k high side/10k low side = 9.2
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engineConfiguration->vbattDividerCoeff = (92.0f / 10.0f);
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// Battery sense on PA7
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engineConfiguration->vbattAdcChannel = EFI_ADC_7;
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engineConfiguration->adcVcc = 3.3f;
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}
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static void setupEtb() {
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// TLE9201 driver: DIR / PWM / DIS, same as official Proteus F4
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// Throttle #1
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engineConfiguration->etbIo[0].controlPin = Gpio::D12; // PWM
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engineConfiguration->etbIo[0].directionPin1 = Gpio::D10; // DIR
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engineConfiguration->etbIo[0].disablePin = Gpio::D11; // Disable
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// Throttle #2
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engineConfiguration->etbIo[1].controlPin = Gpio::D13; // PWM
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engineConfiguration->etbIo[1].directionPin1 = Gpio::D9; // DIR
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engineConfiguration->etbIo[1].disablePin = Gpio::D8; // Disable
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// we only have pwm/dir, no dira/dirb
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engineConfiguration->etb_use_two_wires = false;
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}
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static void setupDefaultSensorInputs() {
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// Digital 1 (PC6) as default trigger input, same as official Proteus F4
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engineConfiguration->triggerInputPins[0] = Gpio::C6;
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engineConfiguration->camInputs[0] = Gpio::Unassigned;
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engineConfiguration->triggerInputPins[1] = Gpio::Unassigned;
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engineConfiguration->clt.adcChannel = EFI_ADC_8; // PB0 - Analog Temp 3
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engineConfiguration->iat.adcChannel = EFI_ADC_15; // PC5 - Analog Temp 2
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engineConfiguration->tps1_1AdcChannel = EFI_ADC_11; // PC1 - Analog Volt 2
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engineConfiguration->map.sensor.hwChannel = EFI_ADC_10; // PC0 - Analog Volt 1
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// pin PA5 "Analog Volt 10"
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engineConfiguration->afr.hwChannel = EFI_ADC_5;
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}
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static void setupSdCard() {
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engineConfiguration->sdCardSpiDevice = SPI_DEVICE_3;
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engineConfiguration->sdCardCsPin = Gpio::D2;
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engineConfiguration->is_enabled_spi_3 = true;
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engineConfiguration->spi3sckPin = Gpio::C10;
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engineConfiguration->spi3misoPin = Gpio::C11;
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engineConfiguration->spi3mosiPin = Gpio::C12;
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}
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static void customBoardDefaultConfiguration() {
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setInjectorPins();
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setIgnitionPins();
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setupEtb();
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setupSdCard();
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setupVbatt();
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setupDefaultSensorInputs();
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engineConfiguration->isSdCardEnabled = true;
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engineConfiguration->enableSoftwareKnock = true;
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engineConfiguration->clt.config.bias_resistor = 2700;
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engineConfiguration->iat.config.bias_resistor = 2700;
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// CAN
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engineConfiguration->canTxPin = Gpio::D1;
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engineConfiguration->canRxPin = Gpio::D0;
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engineConfiguration->can2RxPin = Gpio::B12;
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engineConfiguration->can2TxPin = Gpio::B13;
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// onboard LPS25 baro sensor
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engineConfiguration->lps25BaroSensorScl = Gpio::B10;
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engineConfiguration->lps25BaroSensorSda = Gpio::B11;
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// LS 10/11/12 double as fuel pump/fan/main relay, same as official Proteus F4
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engineConfiguration->mainRelayPin = Gpio::B8;
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engineConfiguration->fanPin = Gpio::B7;
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engineConfiguration->fuelPumpPin = Gpio::B6;
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}
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void setup_custom_board_overrides() {
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custom_board_DefaultConfiguration = customBoardDefaultConfiguration;
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}

‎boards/mazduino-core/connectors/can.yaml‎

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pins:
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- id: CAN_INPUT_0
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class: switch_inputs
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ts_name: CAN Switch 1
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- id: CAN_INPUT_1
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class: switch_inputs
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ts_name: CAN Switch 2
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- id: CAN_INPUT_2
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class: switch_inputs
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ts_name: CAN Switch 3
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- id: CAN_INPUT_3
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class: switch_inputs
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ts_name: CAN Switch 4
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- id: CAN_INPUT_4
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class: switch_inputs
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ts_name: CAN Switch 5
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- id: CAN_INPUT_5
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class: switch_inputs
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ts_name: CAN Switch 6
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- id: CAN_INPUT_6
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class: switch_inputs
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ts_name: CAN Switch 7
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- id: CAN_INPUT_7
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class: switch_inputs
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ts_name: CAN Switch 8
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- id: EFI_ADC_48
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class: analog_inputs
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ts_name: CAN Analog 1
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- id: EFI_ADC_49
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class: analog_inputs
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ts_name: CAN Analog 2
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- id: EFI_ADC_50
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class: analog_inputs
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ts_name: CAN Analog 3
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- id: EFI_ADC_51
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class: analog_inputs
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ts_name: CAN Analog 4
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- id: EFI_ADC_52
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class: analog_inputs
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ts_name: CAN Analog 5
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- id: EFI_ADC_53
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class: analog_inputs
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ts_name: CAN Analog 6
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- id: EFI_ADC_54
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class: analog_inputs
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ts_name: CAN Analog 7
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- id: EFI_ADC_55
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class: analog_inputs
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ts_name: CAN Analog 8

‎boards/mazduino-core/connectors/generated_board_pin_names.h‎

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// DO NOT EDIT MANUALLY, let automation work hard.
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// auto-generated by PinoutLogic.java based on ../../../boards/mazduino-core/connectors/can.yaml
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// auto-generated by PinoutLogic.java based on ../../../boards/mazduino-core/connectors/main.yaml
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#pragma once
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‎boards/mazduino-core/connectors/generated_outputs.h‎

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// DO NOT EDIT MANUALLY, let automation work hard.
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// auto-generated by PinoutLogic.java based on ../../../boards/mazduino-core/connectors/can.yaml
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// auto-generated by PinoutLogic.java based on ../../../boards/mazduino-core/connectors/main.yaml
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#pragma once
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Gpio GENERATED_OUTPUTS[] = {
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Gpio::D7, // LS 1 (PD7)
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Gpio::G9, // LS 2 (PG9)
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Gpio::G10, // LS 3 (PG10)
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Gpio::G11, // LS 4 (PG11)
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Gpio::G12, // LS 5 (PG12)
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Gpio::G13, // LS 6 (PG13)
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Gpio::G14, // LS 7 (PG14)
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Gpio::B4, // LS 8 (PB4)
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Gpio::B5, // LS 9 (PB5)
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Gpio::B6, // LS 10 - Fuel Pump (PB6)
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Gpio::B7, // LS 11 - Fan (PB7)
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Gpio::B8, // LS 12 - Main Relay (PB8)
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Gpio::B9, // LS 13 (PB9)
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Gpio::E0, // LS 14 (PE0)
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Gpio::E1, // LS 15 (PE1)
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Gpio::E2, // LS 16 (PE2)
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Gpio::A9, // HS 1 (PA9)
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Gpio::A8, // HS 2 (PA8)
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Gpio::D15, // HS 3 (PD15)
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Gpio::D14, // HS 4 (PD14)
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Gpio::D4, // IGN 1 (PD4)
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Gpio::D3, // IGN 2 (PD3)
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Gpio::C9, // IGN 3 (PC9)
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Gpio::C8, // IGN 4 (PC8)
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Gpio::C7, // IGN 5 (PC7)
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Gpio::G8, // IGN 6 (PG8)
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Gpio::G7, // IGN 7 (PG7)
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Gpio::G6, // IGN 8 (PG6)
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Gpio::G5, // IGN 9 (PG5)
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Gpio::G4, // IGN 10 (PG4)
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Gpio::G3, // IGN 11 (PG3)
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Gpio::G2, // IGN 12 (PG2)
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Gpio::D12, // ETB1 PWM (PD12)
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Gpio::D10, // ETB1 DIR (PD10)
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Gpio::D11, // ETB1 DIS (PD11)
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Gpio::D13, // ETB2 PWM (PD13)
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Gpio::D9, // ETB2 DIR (PD9)
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Gpio::D8, // ETB2 DIS (PD8)
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// "LS 1 (PD7)",
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// "LS 2 (PG9)",
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// "LS 3 (PG10)",
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// "LS 4 (PG11)",
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// "LS 5 (PG12)",
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// "LS 6 (PG13)",
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// "LS 7 (PG14)",
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// "LS 8 (PB4)",
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// "LS 9 (PB5)",
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// "LS 10 - Fuel Pump (PB6)",
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// "LS 11 - Fan (PB7)",
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// "LS 12 - Main Relay (PB8)",
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// "LS 13 (PB9)",
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// "LS 14 (PE0)",
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// "LS 15 (PE1)",
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// "LS 16 (PE2)",
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// "HS 1 (PA9)",
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// "HS 2 (PA8)",
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// "HS 3 (PD15)",
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// "HS 4 (PD14)",
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// "IGN 1 (PD4)",
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// "IGN 2 (PD3)",
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// "IGN 3 (PC9)",
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// "IGN 4 (PC8)",
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// "IGN 5 (PC7)",
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// "IGN 6 (PG8)",
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// "IGN 7 (PG7)",
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// "IGN 8 (PG6)",
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// "IGN 9 (PG5)",
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// "IGN 10 (PG4)",
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// "IGN 11 (PG3)",
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// "IGN 12 (PG2)",
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// "ETB1 PWM (PD12)",
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// "ETB1 DIR (PD10)",
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// "ETB1 DIS (PD11)",
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// "ETB2 PWM (PD13)",
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// "ETB2 DIR (PD9)",
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// "ETB2 DIS (PD8)",
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}

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