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ESP32-TUX

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ESP32-TUX - A Touch UX template to get you started.

SPONSORING

Github sponsor

Your sponsorship would help me not only to maintain this project but also to work on a version 2 of this project with LVGL v9 support and other useful additions. If you're an individual user who has enjoyed my projects or benefited from my community work, please consider donating as a sign of appreciation. If you run a business that uses my work in your products, sponsoring my development makes good business sense: it ensures that the projects your product relies on stay healthy and actively maintained. I am also available in case you have custom HMI requirements.

Thank you for considering supporting my work!

Screens

  1. HOME (you can add more widgets here)
  2. REMOTE (Sample App screen where you can have your own)
  3. SETTINGS (with WI-FI provisioning, brightness, theme, portrait/landscape)
  4. OTA (Over-the-air update and device info)

Remember this is a template so make it your own as per your needs.

As of 2022-12-11 As of 2022-12-11 As of 2022-12-11 As of 2022-12-11

Web Installer : https://tux.sukesh.me

You only need a USB Cable and Browser to install and test on your device.

Key Project Goals

  • An easy UI Template to get started quickly
  • UI Scaling for different resolutions
  • Rotate to Landscape / Portrait without code changes
  • Easy re-use of the template with just a header file Supported Devices here
  • Switching Themes easily (Dark/Light)
  • Access to SPIFF partition with F:/<filename>
  • Support for updating UI from any Task
  • Wi-Fi Provisioning using BLE/SoftAP
  • OTA update using local (Python webserver) and Cloud (Azure) later
  • Save settings in json file
  • Support more devices with TFT + Capacitive Touch

Features included

  • OTA Update with esp_events integration
  • Wi-Fi Provisioning using SoftAP + Espressif Provisioning App
  • UI Islands (Widget - tux_panel)
  • Support for updating UI from different tasks [lvgl_acquire/lvgl_release]
  • UI code separation into gui.hpp
  • Same UI code which adapts to different resolutions
  • Supports shared SPI bus for SD Card - here
  • Instructions below on how to compile and use same project target different ESP32 / ESP32-S3 controllers.
  • Switch between devices using just a header file inclusion
  • Add your own controller/display with just a header change
  • Shows battery meter animation using timer - here
  • Shows SD card status change with icon
  • Switch theme between Light & Dark - here
  • Scrolling long message in footer - here
  • Rotate screen Landscape/Portrait here
  • Enable SPIFF partition and init here
  • Map SPIFF to LVGL Filesystem as F: here
  • Map SD Card to LVGL Filesystem as S: here
  • Load Images directly using F:/.png here => tux_panel_weather()
  • Settings Page

Todo List

  • BLE Config
  • Pages as modules
  • Multiple Navigation styles
  • Integration with SquareLine Studio

WIDGET : How to use TUX_PANEL Widget

Entire UI consists of Header, Footer and TUX_PANEL widgets.

// Create the Panel instance with title 
// 200px height and it can also be LV_SIZE_CONTENT or LV_PCT(100)
// Leave title empty if you don't need a title.
lv_obj_t *panel1 = tux_panel_create(parent, LV_SYMBOL_EDIT " CONFIG", 200);

// Set the common panel style
lv_obj_add_style(panel1, &style_ui_island, 0);

// Set title color to RED
tux_panel_set_title_color(panel1, lv_palette_main(LV_PALETTE_RED));

// Set title background color to BLUE
tux_panel_set_title_bg_color(panel1,lv_palette_main(LV_PALETTE_BLUE))

// Set height of tux_panel to 300
tux_panel_set_height(panel1,300);

// Set background color of content area to GREEN
tux_panel_set_content_bg_color(panel1,lv_palette_main(LV_PALETTE_GREEN))

// Get Content Area of the panel to add UI elements
lv_obj_t *cont1 = tux_panel_get_content(panel1);

// Add Label to the content area
lv_obj_t *lbl_version = lv_label_create(cont1);
lv_obj_set_size(lbl_version, LV_SIZE_CONTENT, 30);
lv_obj_align(lbl_version, LV_ALIGN_CENTER, 0, 0);
lv_label_set_text(lbl_version, "Firmware Version 1.1.0");

Currently Supported Devices

Devices WT32-SC01 WT32-SC01+ ESP32S3SPI35 ESP32S335D
Manufacturer Wireless-Tag Wireless-Tag Makerfabs Makerfabs
MCU ESP32 ESP32-S3 ESP32-S3 ESP32-S3
Display Size 3.5" 3.5" 3.5" 3.5"
Resolution 480x320 480x320 480x320 480x320
Display Controller ST7796 ST7796UI ILI9488 ILI9488
Display Interface SPI 8Bit Parallel SPI 16Bit Parallel
Touch Controller FT5x06 FT5x06 FT5x06 FT5x06
Flash Size 4MB 8MB 16MB 16MB
PSRAM Size 4MB 2MB 2MB 2MB
Wi-Fi Yes Yes Yes Yes
Bluetooth BT/BLE 4.x BLE 5.x BLE 5.x BLE 5.x
SD CARD No Yes Yes Yes
OTG No Yes Yes Yes
Datasheet PDF PDF PDF PDF
Purchase Link BUY BUY BUY BUY

Flash & PSRAM specifications are as per what I received.

Getting Started

Make sure you have installed ESP-IDF 5.0 (released version) and working from the command-line.

Watch project Demo Walkthrough - Clone, Build and Flash

asciicast

Refer Project Wiki for more details here

How custom lvgl config is setup - ESP-IDF

Check settings in CMakeLists.txt here

#LVGL custom config file setup
idf_build_set_property(COMPILE_OPTIONS "-DLV_CONF_INCLUDE_SIMPLE=1" APPEND)
idf_build_set_property(COMPILE_OPTIONS "-I../main" APPEND)

Separate build folder for ESP32 & ESP32-S3

Check settings in CMakeLists.txt here
This enables you to have separate build folder, in case you use multiple devices with different controller variants like ESP32 vs ESP32-S3.

Display Helpful Compile Time Information

Check settings in CMakeLists.txt here

# Display Compile Time Information
message(STATUS "--------------Compile Info------------")
message(STATUS "IDF_PATH = ${IDF_PATH}")
message(STATUS "IDF_TARGET = ${IDF_TARGET}")
message(STATUS "PROJECT_NAME = ${PROJECT_NAME}")
message(STATUS "PROJECT_DIR = ${PROJECT_DIR}")
message(STATUS "BUILD_DIR = ${BUILD_DIR}")
message(STATUS "SDKCONFIG = ${SDKCONFIG}")
message(STATUS "SDKCONFIG_DEFAULTS = ${SDKCONFIG_DEFAULTS}")
message(STATUS "CONFIG_LV_CONF_SKIP = ${CONFIG_LV_CONF_SKIP}")
message(STATUS "COMPILE_OPTIONS = ${COMPILE_OPTIONS}")
message(STATUS "---------------------------------------")
message(STATUS "CMAKE_SOURCE_DIR = ${CMAKE_SOURCE_DIR}")
message(STATUS "CMAKE_BINARY_DIR = ${CMAKE_BINARY_DIR}")
message(STATUS "---------------------------------------")

3D Printable enclosure (STL)

FREE - WT32-SC01 - 3D enclosure on SketchFab website
FREE - WT32-SC01 - 3D enclosure on Cults3d by DUANEORTON
PAID - WT32-SC01 - 3D enclosure on Cults3d by PRINTMINION
PAID - WT32-SC01 - 3D enclosure on Cults3d by TOMCASA