Crate rust_lcd

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

iterate_devices

Iterate over devices in dir.