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Add persistent OLED UI settings and recovery

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Commander1024
2026-08-29 20:18:08 +02:00
parent 16c0c02389
commit 276559536b
14 changed files with 538 additions and 38 deletions
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docs/command_reference.md
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@@ -10,6 +10,18 @@ Use these commands from the UART0 `serial-tool>` administration console. Run `he
| `reboot` | Drain console output briefly and restart the ESP32. |
| `status` | Show quick MAX3243 signal state. |
## Local display
| Command | Description |
|---|---|
| `display status` | Show the runtime aging settings and OLED service state. |
| `display set dim-seconds <0..86400>` | Set the RAM inactivity delay before contrast drops to `1`; `0` disables dimming. |
| `display set off-seconds <0..86400>` | Set the RAM inactivity delay before the OLED switches off; `0` disables automatic off. |
| `display save` / `display load` | Save the working aging settings to NVS or load them. |
| `display defaults` / `display reset` | Apply 300/600-second defaults in RAM, or apply and persist them. |
When both transitions are enabled, `off-seconds` must be greater than `dim-seconds`. Applying settings counts as local UI activity. A missing OLED remains nonfatal; after reconnecting it safely, one new button press requests a bounded reprobe and is consumed without navigating.
## Serial service
| Command | Description |