mirror of
https://github.com/NixOS/mobile-nixos.git
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47 lines
1.6 KiB
Nix
47 lines
1.6 KiB
Nix
# This is intended to be used to produce a bootable `boot.img` with adbd, and
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# dropbear enabled. You would, in turn, use it to "flash" a dumb system.img file
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# to a partition, like userdata.
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#
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# *CAUTION* : there is no protection against flashing over the wrong partition.
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# Read about the usual pitfalls in the Android section of the documentation.
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{ config, lib, pkgs, ... }:
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let
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device_info = config.mobile.device.info;
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in
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{
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# Ensures we don't quit stage-1
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mobile.boot.stage-1.shell.enable = true;
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# Only enable `adb` if we know how to.
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# FIXME: relies on implementation details. Poor separation of concerns.
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mobile.adbd.enable = (config.mobile.system.type == "android") &&
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(config.mobile.usb.mode != "gadgetfs" || device_info.gadgetfs.functions ? ffs)
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;
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# Enables networking and ssh in stage-1 !
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mobile.boot.stage-1.networking.enable = true;
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mobile.boot.stage-1.ssh.enable = true;
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mobile.boot.stage-1.fbterm.enable = true;
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mobile.boot.stage-1.tasks = [
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(pkgs.writeText "adjust-brightness-task.rb" ''
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class Tasks::AdjustBrightness < SingletonTask
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def initialize()
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add_dependency(:Target, :Environment)
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add_dependency(:Target, :Graphics)
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end
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def run()
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["lcd-backlight", "wled"].each do |file|
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# This can fail to write, ignore...
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begin
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max = File.read("/sys/class/leds/#{file}/max_brightness").to_i
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System.write("/sys/class/leds/#{file}/brightness", (max * 0.1).to_i)
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rescue
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end
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end
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end
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end
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'')
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];
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}
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