Crate rust_lcd

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Iteration over backlight devices.

§Usage

The default directory for backlight devices is BACKLIGHT_PATH, whose value is "/sys/class/backlight". The DeviceIter iterates over…

§Examples

use std::path::Path;
for device in DeviceIter::default() {
     assert_eq!(
        Path::new(BACKLIGHT_PATH),
        device.path().parent().unwrap());
}

Structs§

  • Device
    A single backlight device that can be toggled ON and OFF.
  • DeviceIter
    An iterator over the devices found in a given folder.

Constants§

  • BACKLIGHT_PATH
    The default directory where to look for devices.
  • BL_POWER
    The default name of the file controlling the power of the device.

Functions§