FOS‑WDP‑S1 — Firmware & Software Architecture (MBP‑018)

Master Specifications

Parameter	Specification
System Name	FOS‑WDP‑S1
Type	Rigid, One‑Sided Smart Architectural Display
Dimensions	380 mm × 280 mm × 30 mm
Weight (Est.)	2.3 kg
Mounting	Wall Rail System
Power Input	230V AC 50Hz (NZ)
Power Consumption	< 35W
Operating Temperature	0–60°C
Humidity	0–85% RH
Certifications	CE, RoHS, RCM

Platform Overview

ARM SoC (Smart TV Class)
64‑bit Quad‑Core Processor
Integrated GPU with 4K Video Decode
Hardware Security Module (TPM)
8GB RAM
64GB eMMC Storage
Wi‑Fi 6 + Bluetooth 5.0
Gigabit Ethernet
Multi‑Language UI Support

System Software Architecture

The firmware/software stack is structured into five layers, providing modular, secure, and scalable functionality.

3.1 Application Layer

Home UI
Scene Engine
Media Player
Casting Apps
Settings & Apps
Third‑Party Apps

3.2 Core Service Layer

Display Service
Audio Service
Network Service
Casting Service
Sensor Service
Power/Thermal Service
Update Service

3.3 Hardware Abstraction Layer (HAL)

Display HAL
Touch HAL
Audio HAL
Port HAL
Sensor HAL
Wireless HAL
Power HAL

3.4 Driver Layer

I²C / SPI Drivers
FS Audio Driver
PCIe / SDIO Driver
UART Driver
GPIO Driver
USB / HDMI Drivers
Ethernet Driver

3.5 Hardware Layer

LED Driver Board
Touch Controller
Audio DSP / Amplifier
Sensors
I/O Bus
Ethernet PHY
Power Management

Boot & System Flow

Power ON / Reset
Boot ROM
Primary Bootloader (Device Boot Verify)
System Kernel (Linux / Android)
Init Process
Core Services Start
Application Layer Start
Home UI Launch
Watchdog Monitor Active

Core Services Details

Display Service

Brightness
Color
Calibration
HDR Control

Audio Service

Volume
EQ
Surround Processing

Network Service

Wi‑Fi
Ethernet
DHCP

Casting Service

Miracast
Chromecast‑style casting

Sensor Service

Ambient Light
Motion
Temperature

Power/Thermal Service

Monitoring
Protection
Fan Control

Update Service

OTA Updates
USB Updates
Ethernet Updates

Hardware Abstraction Layer (HAL) Modules

Display HAL: LED drivers, brightness, color, HDR
Touch HAL: Capacitive gestures, calibration
Audio HAL: PCM routing, channel management
Port HAL: USB, HDMI, Ethernet, Audio Out
Sensor HAL: Ambient, motion, thermal
Wireless HAL: Wi‑Fi, Bluetooth, antenna status
Power HAL: Voltage, PSI, thermal status

Driver Layer Overview

I²C / SPI Drivers — Touch, EEPROM, sensors
FS Audio Driver — High‑performance audio stream
PCIe / SDIO Driver — High‑speed data bus
UART Driver — Bluetooth, serial communication
GPIO Driver — LED, button control
USB / HDMI Drivers — Media interface
Ethernet Driver — Gigabit network communication

Operating System & Base Software

Base OS: Linux / Android TV Class
Secure Boot
Device Tree Hardware Control
Standardized HAL Interface
API for Core Services

Memory & Storage

Component	Size
Boot ROM	1 GB
System Partition	8 GB
User Partition	64 GB
Cache	128 MB

Communication Stack

Application Layer (Apps / UI / Servers)
Middleware (Casting, Media, Network)
Network Stack (TCP/IP, DHCP, DNS)
Bluetooth 5.0
Wi‑Fi 6
Gigabit Ethernet

Security Architecture

Secure Boot
Encrypted Storage
TPM Hardware Security
Permission‑Based Access
Watchdog & Integrity Check

Update & Service Methodology

OTA Update
USB Update
Ethernet Update
A/B Partition Boot Strategy
Diagnostics & Logs

System Diagnostics & Tests

Built‑In Tests

LED
Audio
Network
Sensor
PSU

Logging

Error Logs
System Logs
User Activity Logs

Safety & Protection Logic

Thermal Protection
Power Integrity Monitoring
Watchdog Stability Enforcement

Development & Design Methodology

Phase 1 — Hardware Bring‑Up

Board validation
Driver initialization

Phase 2 — Core Services

Display
Audio
Network
Sensors

Phase 3 — Application Layer

UI
Media
Casting

Phase 4 — Calibration & Tuning

Display calibration
Audio tuning
Sensor calibration

Performance Targets

Metric	Target
Boot Time	< 15 sec
UI Response	< 100 ms
Casting Latency	< 250 ms
Audio Latency	< 25 ms
System Uptime	99.9%

Key Benefits

Stable & Reliable
High Performance
Secure & Safe
Easy Maintenance
User Friendly

Document Information

Field	Value
Document ID	FOSWDPS1MBP018
Revision	R1.0
Title	Firmware & Software Architecture
Tagline	Building Smarter Spaces

Blueprint Access & Licensing

MBP‑018 — Firmware & Software Architecture is part of the complete multi‑volume engineering blueprint package for the FOS‑WDP‑S1 Fiber‑Optic Smart Wall Display Panel.

Contact Blueprints Market for licensing, integration support or enterprise‑level deployment.

FOS-WDP-S1-MBP-018-FIRMWARE-SOFTWARE-ARCHITECTURE-R1.0

FOS‑WDP‑S1 — Firmware & Software Architecture