set-backlight

xod-dev/text-lcd/set-backlight

Turns on or off the backlight of the I²C text LCD.
set-backlight
@/set-backlight
Turns on or off the backlight of the I²C text LCD.
DEV@/text-lcd-i2c-device
An I2C text LCD device
BLboolean
Backlight enable/disable
DOpulse
Applies `BL` value to the text LCD backlight
set-backlight
DEV
BL
DO
DEV'
DONE
DONEpulse
Fires when backlight is updated
DEV'@/text-lcd-i2c-device
To use the node in your project you should have the xod-dev/text-lcd library installed. Use the “File → Add Library” menu item in XOD IDE if you don’t have it yet. See Using libraries for more info.

C++ implementation

node {
    void evaluate(Context ctx) {
        auto t = getValue<input_DEV>(ctx);
        if (isInputDirty<input_DO>(ctx)) {
            t.lcd->setBacklight(getValue<input_BL>(ctx));
            emitValue<output_DONE>(ctx, 1);
        }

        emitValue<output_DEVU0027>(ctx, t);
    }
}