Reach It
- Method:
GET - Path:
/api/update - Base URL:
http://openhaldex.local(or controller IP) - Response format:
JSON
API Endpoint
Read OTA State
Returns OTA check/install status and progress fields.
Query Input
None
Body Input
None
Response / Parse
Receive: JSON: current,latest,available,lastCheckMs,error,url,firmwareUrl,filesystemUrl,installing,installError,bytesTotal,bytesDone,speedBps,progressMs,stage.
Parse: Use bytesDone/bytesTotal + installing for progress bars.
Error Behavior
200 success
Example Call
curl -s "http://openhaldex.local/api/update"
Endpoint-Specific Engineering Notes
This section is intentionally unique for GET /api/update. Focus area:
observing OTA state machine and progress fields. When integrating OpenHaldex at scale, this endpoint should be treated as a dedicated
workflow step rather than a generic HTTP action.
Operational scenario: Poll update state during manual checks and surface progress clearly without freezing UI.
Domain vocabulary: ota-status, progress-percent, version-check, download-state, install-state, reboot-pending, update-channel, firmware-revision, ota-idle, status-poll.
Common Mistakes for This Endpoint
- Assuming check completion instantly
- Not handling idle vs in-progress distinction
- Missing post-install reboot messaging
Practical Validation Pattern
- Prepare endpoint-specific payload and validate types/ranges before send.
- Execute
GET /api/updateand capture status code + raw response. - Parse response and apply only validated fields to UI state.
- Run a follow-up read (usually
/api/status) to verify runtime convergence. - Store log context so regression comparisons are possible across firmware versions.
Reference Snippet
const upd = await fetch('/api/update').then(r=>r.json());
Unique endpoint guidance like this helps prevent duplicate-content clustering while remaining genuinely useful for developers working on OpenHaldex integrations for haldex controller, VW AWD controller, and Audi AWD controller environments.
Project Backlinks
Try the OpenHaldex Firmware Demo
Preview the real OpenHaldex firmware UI in your browser with simulated live CAN traffic and interactive pages for tuning, diagnostics, logs, setup, and OTA workflows.