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Gabor Kiss-Vamosi 3c39c39c9d docs separate widgets into core and extra groups

2021-05-03 11:13:43 +02:00

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.. include:: /header.rst 
:github_url: |github_link_base|/widgets/led.md

LED (lv_led)

Overview

The LEDs are rectangle-like (or circle) object. It's brightness can be adjusted. With lower brightness the the colors of the LED become darker.

Parts and Styles

The LEDs have only one main part, called LV_LED_PART_MAIN and it uses all the typical background style properties.

Usage

Brightness

You can set their brightness with lv_led_set_bright(led, bright). The brightness should be between 0 (darkest) and 255 (lightest).

Toggle

Use lv_led_on(led) and lv_led_off(led) to set the brightness to a predefined ON or OFF value. The lv_led_toggle(led) toggles between the ON and OFF state.

Events

Only the Generic events are sent by the object type.

Learn more about Events.

Keys

No Keys are processed by the object type.

Learn more about Keys.

Example


.. include:: /lv_examples/src/lv_ex_widgets/lv_ex_led/index.rst

API


.. doxygenfile:: lv_led.h
  :project: lvgl

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