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Compile time PIN definition #4307

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blazoncek
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Adds ability to define default settings PIN at compile time (instead of no PIN defined).

Requested by a friend.

@w00000dy
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How do I set this?

I tried build_flags =... -D WLED_PIN=1234 and -D WLED_PIN="1234". Both did not work.

@blazoncek
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Either: -D WLED_PIN=\"1234\" or -D WLED_PIN='"1234"' as used elsewhere.

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A few things I noticed:

  • This only works if you have a fresh installation (erased flash).
  • On the first boot it does not ask for the pin. Only after the 2nd boot does it ask for the pin.

WLED_GLOBAL bool wifiLock _INIT(false); // prevents access to WiFi settings when OTA lock is enabled
WLED_GLOBAL bool aOtaEnabled _INIT(true); // ArduinoOTA allows easy updates directly from the IDE. Careful, it does not auto-disable when OTA lock is on
WLED_GLOBAL char settingsPIN[5] _INIT(""); // PIN for settings pages
WLED_GLOBAL bool otaLock _INIT(false); // prevents OTA firmware updates without password. ALWAYS enable if system exposed to any public networks
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Revert unrelated whitespace changes please

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I want to keep comments aligned. Personal preference.

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That's fine for when making changes, not for unrelated code

It's bad practice to apply formatting changes to code not related to the PR, it creates harder to review PRs and breaks the history of each line making debugging issues harder as git blame will make it appear the code has changed more recently that it has and with incorrect description

@blazoncek
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This only works if you have a fresh installation (erased flash).

Yes, that is expected. The code does not modify existing configuration.

On the first boot it does not ask for the pin. Only after the 2nd boot does it ask for the pin.

Then a check where a bug is is in order. Though that may be good as it will allow to set WiFi credentials (unfortunately that will be available only once).

@blazoncek
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There's one more thing that needs to be done: allow WiFi settings to be available until WiFi is configured.

@w00000dy
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I would prefer that the WiFi settings be locked when I set a pin (as they are now). I think this would be the expected behavior when I set a pin.
So if I run a device in AP-only mode, I can prevent anyone from changing that.

@blazoncek
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allow WiFi settings to be available until WiFi is configured.

I specifically mentioned "configured" WiFi. Even if you run it unconnected in AP mode.
You still have the option to lock OTA (and WiFi configuration) from settings.

@blazoncek blazoncek marked this pull request as draft November 25, 2024 21:12
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3 participants