01
System and firmware architecture
Map hardware responsibilities, timing constraints, tasks, services, state, interfaces, and failure behavior before implementation expands.
Embedded firmware & RTOS
Firmware for MCUs and SoCs, from board support and drivers through deterministic application behavior.
System boundary
Keep the connected path visible.
The exact scope can begin at one layer. Its adjacent interfaces and ownership still remain explicit.
- 01
Board, peripherals, and signals
- 02
Drivers, HAL, and RTOS services
- 03
Device application and diagnostics
Common situations
Where this work usually begins
These are scoping signals, not assumptions about your system. Discovery confirms which one actually matters.
- 1
A new board needs bring-up, peripheral integration, and maintainable application interfaces.
- 2
A bare-metal or inherited firmware base needs clearer task, timing, and ownership boundaries.
- 3
Intermittent device faults need better diagnostic evidence and repeatable investigation.
Engineering workstreams
Work organized around reviewable boundaries
02
Board support and drivers
Integrate the board, peripherals, drivers, and hardware abstraction needed by the application layer.
03
Application behavior
Build device logic around explicit state, concurrency, configuration, communication, and recovery paths.
04
Integration and diagnostics
Expose useful logs and evidence, exercise target-hardware scenarios, and document what field teams need to diagnose.
Delivery evidence
Concrete outputs, scoped to the engagement
The final set depends on the system and acceptance needs. These are the kinds of assets and evidence that can be made explicit during scoping.
Potential deliverables
- Firmware architecture and interface map
- Source code, build configuration, and dependency notes
- Board-support, driver, HAL, and application components in scope
- Diagnostic behavior and integration notes
- Scenario-based test plan and reviewed results
Validation evidence
- Reproducible build and configuration review
- Peripheral and interface behavior on target hardware
- Timing, concurrency, and state-transition scenarios identified in scope
- Fault, restart, and recovery evidence for relevant operating paths
Scoping questions
Questions worth answering first
Useful scope begins with operating context and evidence, not a predetermined technology list.
- 01
Which hardware revision and interfaces define the current target?
- 02
What timing or safety-relevant behavior must remain deterministic?
- 03
Which faults are difficult to reproduce or explain today?
- 04
What evidence is required before firmware can be accepted or released?
Discuss embedded firmware & rtos
Bring the boundary, constraints, and evidence you have.
The first conversation can determine whether discovery, scoped delivery, engineering extension, or modernization is the right starting shape.