Mazduino ECU Custom Firmware

This repository contains custom rusEFI firmware for various Mazduino ECU boards and compatible STM32F4-based engine management systems.

Supported Hardware

Mazduino Boards

Mazduino Compact 4CH

Compact 4-channel engine management unit

Mazduino Mini 6CH

Mini 6-channel engine management unit

Compatible STM32F4 Boards

STM32F4 Mega Layout (Speeduino 0.4 & UA4C)

STM32F4 mega layout compatible with rusEFI

• Speeduino 0.4 - STM32F4 mega layout compatible with rusEFI
• UA4C - STM32F4 mega layout compatible with rusEFI

Features

• Based on rusEFI open-source engine management system
• Optimized for Mazduino hardware configurations
• Custom pin mappings and hardware-specific configurations
• Knock sensor support with configurable ADC channels
• Compatible with rusEFI tuning software and community tools

Hardware Configuration

This firmware includes specific configurations for:

• GPIO pin assignments
• ADC channel mappings
• PWM output configurations
• Communication interfaces (CAN, Serial, USB)
• Sensor inputs and actuator outputs

Building the Firmware

Prerequisites

• rusEFI development environment
• ARM GCC toolchain
• STM32 development tools

Build Instructions

# Clone the repository
git clone https://github.com/amrikarisma/fw-custom-mazduino.git
cd fw-custom-mazduino

# Build firmware (specific commands depend on target board)
# See rusEFI build documentation for detailed instructions

Installation

1. Connect your Mazduino board via USB or ST-Link
2. Use appropriate flashing tool (ST-Link Utility, DFU, etc.)
3. Flash the compiled firmware binary
4. Configure using rusEFI Console or TunerStudio

Configuration Files

Key configuration files in this repository:

• board_configuration.cpp - Main board configuration
• knock_config.h - Knock sensor settings
• pinouts.cpp - Pin mapping definitions
• Board-specific .ini files for different hardware variants

Documentation

For more information about rusEFI and custom firmware development:

• rusEFI Wiki - Custom Firmware
• rusEFI Documentation
• Mazduino Hardware Documentation

Contributing

Contributions are welcome! Please:

1. Fork the repository
2. Create a feature branch
3. Make your changes
4. Test thoroughly on actual hardware
5. Submit a pull request

Support

For support and questions:

• Create an issue in this repository
• Join the rusEFI community forums
• Contact the Mazduino development team

Warning

⚠️ Important Safety Notice: This is engine management software that controls critical engine functions. Always test thoroughly on a bench setup before installing on a vehicle. Improper configuration can cause engine damage or safety hazards.

---

This firmware is developed and maintained by the Mazduino community in collaboration with the rusEFI project.