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Logic Fruit

Embedded Software Engineering for Mission-Critical Platforms

End-to-end embedded software stacks optimized for performance, reliability, and lifecycle support.

Our embedded software spans bootloaders, RTOS, Linux, and custom drivers-architected alongside hardware
to ensure deterministic bring-up and control.

T a l k t o a F i r m w a r e E n g i n e e r
T a l k t o a F i r m w a r e E n g i n e e r

SUPPORTED RTOS / MCUs / OS PLATFORMS

Embedded Software Across Heterogeneous Platforms

We build real-time and embedded software that runs reliably across leading processor families and operating systems.

SoC / CPU Platforms

  • ARM Cortex-A, Cortex-R
  • ARM Cortex-M MCUs
  • RISC-V platforms
  • FPGA soft cores (MicroBlaze, Nios V)

Linux & Embedded OS

  • Embedded Linux (Yocto, Buildroot)
  • Real-time Linux (PREEMPT_RT)
  • U-Boot, BSPs, and device trees

RTOS / Bare Metal

  • FreeRTOS, Zephyr
  • ThreadX / Azure RTOS
  • Custom lightweight schedulers

CORE COMPETENCIES

End-to-end capability across schematic design, PCB layout, SI/PI engineering, and system-level bring-up.

Architecture & Partitioning

  • Compute, memory, and interconnect planning
  • FPGA/SoC partitioning (resources, clocks, resets, IP integration)
  • BOM optimization and component selection

High-Speed Schematic Design

  • PCIe Gen5/Gen6, CXL 3.0, JESD204x, MIPI, Display, Ethernet
  • Multi-rail power domains and sequencing
  • Clocking networks with jitter-constrained design
  • Protection, isolation, redundancy design for mission-critical systems

PCB Layout & Routing

  • Multi-layer HDI boards (10–20+ layers)
  • High-speed differential routing (PCIe/CXL, SerDes, JESD, SATA)
  • Length tuning & skew management
  • Thermal mitigation & copper balancing
  • EMI/EMC-aware layout best practices

SI/PI (Signal & Power Integrity)

  • Pre-layout simulations (stack-up + constraints)
  • Post-layout simulations for eye diagrams, return loss, crosstalk
  • Power-delivery network (PDN) analysis
  • Compliance preparation (PCIe, CXL, JESD, Display protocols, Avionics standards)

System Bring-Up & Validation

  • Oscilloscope + logic analyzer based validation
  • Firmware bootstrapping and diagnostics
  • Thermal, environmental, and reliability testing
  • Production test development

DESIGN APPROACH DIAGRAM

A Structured, Architecture-First Approach to FPGA/SoC Design

Our methodology ensures clean architecture, efficient partitioning, and predictable implementation even in complex, high-speed systems.

System Requirements → Architecture Definition

  • Workload characterization
  • Latency & throughput constraints
  • High-speed I/O requirements

Partitioning & Floorplanning

  • Compute vs control vs pipeline
  • Resource budgeting (LUT/BRAM/DSP)
  • Clock & reset domain design

RTL Development & IP Integration

  • Custom logic + standard interfaces
  • PCIe/CXL, JESD204x, Ethernet, MIPI
  • Simulation-first flow

Timing Closure & Implementation

  • Constraint authoring (XDC, SDC)
  • CDC/SDC checks
  • Pipelining & retiming

System Bring-Up & Validation

  • On-board tests
  • Firmware integration
  • Performance validation
MIDDLEWARE & DRIVER LAYERS

Deterministic Embedded Software Stack for High-Speed I/O

Designed to bridge hardware and application layers, ensuring deterministic control and high-throughput data handling.

Low-Level Firmware & Bootloaders

  • Board power-up and initialization routines
  • Reset handling and state transitions
  • Secure boot implementation
  • Customized U-Boot and lightweight bootloader solutions
Low-Level Firmware & Bootloaders

High-Speed Driver Development

  • PCIe endpoint and DMA controller drivers
  • JESD204B/C lane control and data handling
  • Ethernet/UDP drivers for 10G, 40G, 100G networks
  • Display and camera interface drivers (MIPI, ARINC, DVI, STANAG)
  • Hardware bring-up for high-speed interfaces
High-Speed Driver Development

Middleware & Abstraction Layers

  • Sensor data aggregation and fusion frameworks
  • APIs for FPGA and SoC accelerators
  • Real-time memory and buffer management
  • Messaging frameworks for low-latency communication
  • HAL, BSP, and OS abstraction layers
Middleware & Abstraction Layers

Application-Level Embedded Software

  • Deterministic control loops and algorithm execution
  • Diagnostics and monitoring services
  • Telemetry, logging, and field update frameworks
  • Integration with cloud or edge systems when required
Application-Level Embedded Software

REPRESENTATIVE INTEGRATION CASES

Examples of embedded software and platform firmware deployed in Logic Fruit systems.

PCIe Accelerator Board Bring-Up

Highlights:
  • Endpoint-level firmware for PCIe link initialization and control
  • High-throughput DMA drivers with user-accessible APIs
  • Built-in diagnostics and benchmarking utilities
Result: Consistent, low-latency data transfer supporting demanding HPC and storage workloads.
Visual: minimal PCIe block diagram.
PCIe Accelerator Board Bring-Up

Embedded Linux for Autonomous Vision System

What we delivered:
  • Board support package with custom device trees and sensor drivers
  • Real-time control software for ISP and camera pipelines
  • Integration of edge inference frameworks into the runtime stack
Result: Predictable, real-time perception-to-action pipelines for robotic autonomy.
Visual: camera → FPGA → ARM → output.
Embedded Linux for Autonomous Vision System

Firmware for Mission-Critical Display Chain

What we delivered:
  • Control firmware for ARINC 818 and DVI video interfaces
  • Built-in display health checks and redundancy handling
  • Thermal monitoring and system status reporting
Result: Robust, avionics-grade display operation under mission conditions.
Visual: video pipeline outline.
Firmware for Mission-Critical Display Chain

JESD204C Data Acquisition Firmware

What we delivered:
  • Lane synchronization and link health management software
  • High-speed DMA handling with circular buffering
  • Continuous runtime telemetry and error monitoring
Result: Reliable, sustained multi-gigabit ADC data capture for RF and telecom validation.
JESD204C Data Acquisition Firmware

Build Deterministic Embedded Software for
Performance, Reliability, and Scale

Develop firmware, drivers, and platform software as part of a unified system architecture – ensuring tight hardware
integration, deterministic behavior, and rapid deployment.

T a l k t o a n F P G A A r c h i t e c t
T a l k t o a n F P G A A r c h i t e c t