bsncubed d4aa9c7be1 PTP status: 2-min average offset, details split; uptime as d/h/m/s
- Firmware: status.ptp.offset_avg_ns = mean |offset| over the last 2 min
  (one bucket per second, cleared on a clock step).
- Main panel: Time Offset (2 min avg) shows only the Bolero bracket of the
  average. Details: the current offset (coloured by the same brackets),
  hops, time/frequency traceable, version and own clock class.
- Uptime shown as "1d 2h 3m 4s".
- Preset buttons renamed: "Riedel PTP defaults", "AES67 Media PTP defaults".

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-09-26 08:32:15 +10:00
2026-09-25 23:37:05 +10:00

aes67-ESP32-P4

AES67 sender for the Waveshare ESP32-P4-ETH (PoE): Spotify Connect and HLS/m3u8 internet radio (with failover between them) go out as an AES67 multicast stream, locked to PTP. Everything is set up from a built-in web page, with SAP announcements and SDP export for receivers (tested with Riedel PTP).

Using it: see the user guide.

Quick start: power the board over PoE and open http://p4-aes67.local/. Pick a source and save. Then find "P4 AES67" via SAP on the receiver, or import the SDP from the page.

Building and flashing

  • ESP-IDF 5.5 or later, target esp32p4: idf.py set-target esp32p4 && idf.py build
  • cspot submodule: git submodule update --init external/cspot && git -C external/cspot submodule update --init cspot/bell
  • New board over USB: tools/flash_board.py
  • Update over the network: web page → Firmware, or curl -f --data-binary @build/aes67_p4.bin -H 'Content-Type: application/octet-stream' http://p4-aes67.local/api/ota

Toolchain details and caveats (chip revision, Python packages for cspot) are in CLAUDE.md.

Documentation

  • docs/user-guide.md: setup, web page, sources, Spotify, AES67, PTP, network, updates, player API, troubleshooting
  • docs/aes67-core-base.md: reusable AES67 core design (PTP, RTP, SDP/SAP, syslog, web UI and API contract)
  • docs/hardware-and-design-notes.md: board details and project-specific design
  • web/index.html: the web page (served by the device)
  • CLAUDE.md: working rules, build order and status
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