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Luc 39e06975f2 Update from refactoring branch

### Maintenance page
* Add add tab color for mobile view
* Add spellcheck off / autocorect off in input
* Add disconnect button when authenticate enabled
* Add Invalid user or password message when authentication failed

### Board support
* Add ESP32 S2 support
* Add ESP32 S3 support
* Add ESP32 C3 support

### ESP commands
* Add command 701 to control GCODE streaming
* Remove command 901 as duplicate
* Update command 420 to add more details
* Use text as default output
* All json on all commands for formated output

### Core
* Add benchmak function to check transfer speed (for test only-not production)
* Merge code for ESP3DLib support
* Add better printer display support (M117 / Serial TFT)
* Use ESP32 analogWrite instead of emulated one

### Modules
* Display
	* Refactor code
	* Remove SPI ILI 9341 / 9488 support as not suitable
      * Add ST7789 support (135x240 / 240x240)
* Filesystem
	* Bug fixes due to esp core updates
	* Better SD sharing mecanism
      * Better global FS management
* FTP
	* Add SD sharing support
	* Better global FS management
* GCODE Host
	* Add basic support for macro files
      * Add ESP command support
      * Use not blocking method to stream commands / handle response
* Notifications
	* Add IFTTT notification service
	* Add WebUI notification
	* Add ESP3D display notification
* WebDav
	* Add SD sharing support
	* Add bug fix from https://github.com/d-a-v/ESPWebDAV
	* Better global FS management
* Websocket
	* Add function to handle zombies connections
* WiFi
	* Fix connection to AP sometime fail
	* Fix low signal not diplayed in ESP420 even connected
	* Add AP Setup mode

### Libraries
* Update SDFat-2.0.6 to 2.1.2
* Update ESP32SSDP 1.1.1 to 1.2.0
* Update TFT_eSPI-1.4.11 to 2.4.61
* Update arduinoWebSockets-2.3.5 to 2.3.6
* Update esp8266-oled-ssd1306-4.0.0 to 4.3.0
* Remove lvgl support

### Tools
* Add I2C scanner script
* Add python script to simulate/stress printer serial communication

### PlatformIO
 * Use latest 4.4.0 Espressif32 release (ESP32-arduino core 2.0.3)
 * Add fix for Flash more than 4MB
 * Add Esp32 S2/S3/C3 env
 * Add ESP32-ST7789 / esp32-TTGO_T_Display env

2022-06-01 14:56:57 +08:00

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

LED (lv_led)

Overview

The LEDs are rectangle-like (or circle) object whose brightness can be adjusted. With lower brightness 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

Color

You can set the color of the LED with lv_led_set_color(led, lv_color_hex(0xff0080)). This will be used as background color, border color, and shadow color.

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

LV_EVENT_DRAW_PART_BEGIN and LV_EVENT_DRAW_PART_END is sent for the following types:
- LV_LED_DRAW_PART_RECTANGLE The main rectangle. LV_OBJ_DRAW_PART_RECTANGLE is not sent by the base object.
  - part: LV_PART_MAIN
  - rect_dsc
  - draw_area: the area of the rectangle

See the events of the Base object too.

Learn more about Events.

Keys

No Keys are processed by the object type.

Learn more about Keys.

Example


.. include:: ../../../examples/widgets/led/index.rst

API


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

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