ESPGeiger v0.11.0

[steadramon]

v0.11.0

A major release. New web stack, OLED driver, UDP broadcast protocol, environment sensor support, config backup, lifetime tracking, crash diagnostics, Prometheus metrics, and across-the-board performance improvements.

⚠️ Touches every build target - please re-flash and re-check your prefs after upgrade.

⚠️ Upgrade notes

• OLED users upgrading via OTA from an earlier version: the display driver changed from ThingPulse to u8g2. The OLED may show garbled output on the first boot after upgrade because controller registers retain state from the previous driver. Power-cycle the device once after the upgrade to clear it - reset does not work.
• /json consumers: device-load and heap fields (tick, t_max, lps) have moved to /json?raw=1 to keep the polled response lean. If you scrape those, switch to ?raw=1.
• Firmware version is now reported as plain semver (e.g. 0.11.0, no leading v).

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New features

Hardware

• OLED auto-detect for SSD1306 / SH1106 / SSD1309. Override via display.type.
• OLED reset-pin support for boards like Heltec WiFi Kit 32 V2 / TTGO LoRa32 V1.
• Environment sensor auto-detect for BME280, BMP280, AHT10/15/20/21/25/30 and AHT20+BMP280 combo boards. Zero config; readings surface on /status and every output channel.

Connectivity

• UDP / OSC broadcast of clicks + telemetry over multicast. Default group 239.255.86.86, port 57340.
• UDP-Receiver builds (*_udp envs) turn a tubeless ESP into a mirror of another ESPGeiger over the air, including a loss packet-loss figure on /json.
• Prometheus /metrics in standard text-exposition format with chipid labels.

Web UI

• /network page combines WiFi + IP config + NTP. Static IP reverts to DHCP after a 60 s probe failure.
• /screen page shows a live preview of the OLED framebuffer in the browser.
• /info now shows last-crash EPC, stack snippet, and reset reason.
• /json?raw=1 exposes un-smoothed mem/lps plus frag / lfb heap-health fields for diagnostics.

Tools

• Config backup & restore via /params, with a confirmation prompt on restore.
• User-definable Serial output template (sout.format=2 + sout.tpl) with {cpm}, {usv}, {name}, {id} substitution.
• Long-press boot-button ladder: short press wipes the setup AP, long press is a factory reset with an OLED countdown banner.

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Bugfixes

• Outbound uploads (Radmon, GMCMAP, ThingSpeak) no longer fail with spurious TIMEOUT errors on slow-but-alive servers - the per-service timeout is now honoured, and a stalled connection self-recovers instead of wedging until reboot.

Improvements

• /json is leaner and faster to poll - diagnostics moved behind ?raw=1.
• Smoother telemetry - lps and mem are lightly averaged so a single poll can't report a phantom dip (use ?raw=1 for raw values).
• Lower RAM usage across the board (page/display buffers freed when idle, fewer per-request allocations).

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Build / dev

• Vendored ESPAsyncTCP as EGAsyncTCP with several reliability bug fixes.
• AsyncHTTPRequest vendored into lib/default/ and slimmed.
• AsyncTCP@3.4.10 pinned (ESP32).

New build targets

• esp8266_udp, esp8266oled_udp, esp32_udp, esp32oled_udp, espgeigerlog_udp (UDP-Receiver, tubeless).

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This discussion was created from the release ESPGeiger v0.11.0.