Welcome to LeanStack

Lean Architecture , Robust Performance

LeanStack is a lightweight, production-ready embedded software platform for automotive and industrial controllers, featuring: Integrated bootloader and middleware architecture for ECU bring-up and system services; ECU reprogramming, standardized diagnostics, and efficient communication; Modular, scalable, and portable across multiple MCU platforms
Com Stack
Diagnostics
Bootloader
Watchdog
Memory Stack
LeanCfg — Configuration Workbench
LeanCfg Configuration Workbench
#include "BswIf.h" Mcu_Init(&Mcu_Config); Gpt_Init(&Gpt_Config); Port_Init(&Port_Config);
Com Stack
Diagnostics Stack
Watchdog Stack
Security Stack
Memory Stack
LeanOs
Com Stack
Diagnostics Stack
Watchdog Stack
Security Stack
Memory Stack
LeanOs
Vehicle ECU
Com Stack CAN FD / LIN
Diagnostics UDS / ISO-TP
Bootloader Secure Flash
Security SecOC / Auth
Memory NvM / FEE
Watchdog Supervision
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Precision Software for Modern Vehicle Systems

LeanStack builds a robust, modular software foundation for automotive embedded development, enabling reliable communication, diagnostics, and system integration across diverse ECU platforms. LeanCfg complements this ecosystem with streamlined, schema-validated configuration—together providing an efficient and scalable path for complex embedded software development.
About Us

Modular & Scalable Platform

LeanStack features a modular middleware architecture that scales from compact ECUs to complex vehicle systems.

Deterministic & Production-Ready

Intelligent validation engine instantly catches configuration errors through XML schema validation and semantic checking.

Faster Integration

Standardized interfaces, supported by configuration tooling, significantly reduce integration effort and time to production.
Configure DBC / LDF / ODX / A2L / LCFGXML
LeanCfg Validate & Generate
Auto
C Source Production-ready code
Build Compile & Link
Flash to ECU Deploy via Bootloader
LeanStack Pipeline
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Streamlined Foundations for Modern ECU Software

LeanStack delivers a refined software base that improves workflows, strengthens system behaviour notably and helps teams build reliable ECU solutions faster.
Modular Core Design
A structured layout that keeps features separated and supports smooth integration.
Configuration Engine
A guided flow that checks inputs and produces dependable outputs.
Communication Layer
Clear interfaces that streamline data handling and reduce debugging effort.
Efficient Workflow
Automation and reusable elements that cut manual tasks and speed development.
Why Choose LeanStack?

Powering Development with Smart Automation

LeanStack provides a modular bootloader, communication middleware, diagnostics, and system services designed for deterministic performance, small memory footprints, and fast integration across multiple MCU platforms.

A lightweight middleware design, enabling easy scaling across features and seamless portability across major automotive MCU platforms.

Zero-heap, statically configured architecture ensures predictable timing, reliable execution, and proven communication, diagnostics, and reprogramming workflows.

Standardized interfaces and validated building blocks significantly reduce integration time and debugging effort.

Leanstack Architecture

LeanBoot — FBL SW Architecture: Scheduler, Bootloader Application, Download State Machine, UDS Services, KeyM, CSM, CAN TP, CryIf, CanIf and MCAL drivers, with symbolic memory map of a reprogrammable ECU LeanBSW — SW Architecture Block Diagram: Application SW Components, BswIf (LeanCfg generated), Middleware (Lean OS, COM, UDS, Fault Manager, CanTp, J1939Tp, XCP, LinTp, CSM, Key M, NVM, Wdg M, IOHWAB, CanIF, LinIF, CryIF, FEE, Wdg IF), Complex Device Drivers and µC drivers
Core / Application
Interface Layer
BSW Modules & Libraries
Security / .Lib
MCAL / Drivers
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Multi-Platform MCU Support

Configure and generate code for all major MCU families

NXP

S32K3xx, S32K1xx, S9KEAxx, MPC57xx

Renesas

RL78/F1x, RL78/F2x, RH850/F1KMx, RA4Wx

TI

TMS570Lx, TMS320Fx

Infineon

TC3xx, TC2xx

Microchip

dsPIC33EPxx

STM

STM32C092RCT61

LeanCfg Interface

Powerful Features, Effortless Experience

Experience LeanCfg's intuitive workspace designed for automotive engineers. Seamlessly navigate projects, configure modules, validate in real-time, and generate production code that accelerates your workflow.
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Got Questions?

Frequently Asked Questions

Common questions about LeanCfg's capabilities, plugin architecture, and module support.
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