Validated against a Hero 3 Silver:
- fetchStatus() now GETs the status endpoint /camera/se (was /bacpac/SH?p=%01,
which *started recording* every poll), at the correct host 10.5.5.9.
- Read the response from the stream, not getString(): the blob is binary and
starts with 0x00, which truncated the Arduino String to empty.
- Offsets: recording = byte 29 (confirmed by not-recording vs recording diff),
battery_raw = byte 19 (drains with charge; calibrate on the hub),
video_remaining = bytes 25-26 (provisional).
- Default config set to this camera (goprosilver-1 / 10.5.5.9); per-camera
values can still be overridden at runtime via set_config.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Per maintainer decision: this is a private repo and the closed
travel-router Wi-Fi password is low-sensitivity, so keep the real
value in the tracked config for reproducible uploadfs provisioning.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
The project was designed around a 10.60.1.0/24 travel-router network,
but the actual RemoteRig router uses 192.168.8.0/24 (the C6 associates
and gets 192.168.8.x; hub confirmed at 192.168.8.56). Replace the
network prefix everywhere (last octet preserved; GoPro 10.5.5.1 left
alone).
- scripts/setup-pi.sh: static IP 192.168.8.56/24, gateway 192.168.8.1,
deploy/health command examples updated
- esp32-mqtt-bridge.cpp: default mqtt_broker -> 192.168.8.56
- firmware/data/config.json: broker -> 192.168.8.56 (wifi_password kept
blank in git; real value flashed to the device only)
- docs (CONTEXT, MQTT_CONTRACT, READMEs, wireframes): gateway/hub/DHCP
and example IPs re-addressed for consistency
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
The C6 never loaded its /config.json, so it fell back to defaults
(SSID RemoteRig, empty password) and couldn't join Wi-Fi. Two bugs:
- Data file was named esp32-config.json but the firmware reads
/config.json → renamed to config.json.
- Firmware used SPIFFS while pioarduino's uploadfs builds a LittleFS
image; the SPIFFS mount then reformatted it empty. Switch the C6 to
LittleFS (matches the toolchain default and the ESP-01S).
Also:
- log loaded ssid/broker/camera_id on config load (not the password)
- platformio.ini: land the ESP-01S env retarget (board d1_mini ->
esp01_1m, dout, upload_speed 115200) that was missed in 403e1d9
- committed config.json keeps wifi_password blank; the real value is
flashed to the device, not stored in git
Verified: C6 loads config and associates (got a DHCP lease). MQTT to
the broker is a separate network issue (hub IP / subnet).
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Battery calibration:
- two-point linear cal (bat_raw_min->0%, bat_raw_max->100%) of the
GoPro offset-57 raw byte, persisted in SPIFFS config
- publish battery_pct in MQTT status only when calibrated (omit
otherwise, per MQTT_CONTRACT); OLED shows % when calibrated, raw
until then
- set_battery_cal MQTT command: explicit {raw_min,raw_max} or
capture-current {point:"full"|"empty"} for field calibration
RGB STAT LED:
- drive D0/D1/D2 (R/G/B) with health colors instead of the single
green channel: red=offline, magenta=wifi-but-no-hub,
yellow=hub-but-no-camera, green=healthy; blue during boot
- RGB_COMMON_ANODE polarity flag; this module is common-anode
Verified on hardware: boots, OLED ok, RGB shows correct colors
(blue->red on the bench).
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Complete rewrite of firmware into two dedicated boards per camera node:
ESP8266 (Camera Bridge):
- Connects ONLY to GoPro AP — polls status, sends over UART
- Zero network switching, zero MQTT
- HTTP GET /bacpac/SH for status, start/stop
- JSON-per-line UART protocol to ESP32
ESP32 (MQTT Bridge):
- Connects ONLY to travel router — MQTT to Pi hub
- Reads status from ESP8266 over UART2 (RX16/TX17)
- Auto-registration, heartbeat, command forwarding
- Zero camera communication
UART Protocol: JSON-per-line at 115200 8N1
ESP8266→ESP32: status/ack/pong/error
ESP32→ESP8266: cmd (start_recording/stop_recording/ping)
Hardware updates:
- BOM now includes both boards (~4/node)
- 3D case has stacked dual-board compartment
- UART wire channel between board recesses
- Shared 3.3V power rail for both boards
- Unified firmware for ESP32 (dual-STA) and ESP8266 (time-shared STA)
- ESP8266: alternates between GoPro AP and travel router per poll cycle
- PlatformIO dual-target: esp32dev + esp8266dev (d1_mini)
- camera_ip config field for Akaso/non-GoPro cameras
- LittleFS support for ESP8266 (replaces SPIFFS)
- Camera compatibility table (GoPro H3/H4, Akaso)
- LED polarity handled per-platform (ESP8266 active-low)
ESP8266 time-sharing adds ~4s latency per 30s cycle — invisible at poll rate.
Joshua King
Hermes