Is it possible to bind lvgl to Micropython V1.23.0?

Micropython
21

sorry @kdschlosser, that repository was suggested by @jgpeiro, my mistake :frowning:
I cloned your repository:
git clone GitHub - lvgl-micropython/lvgl_micropython: LVGL module for MicroPython
cd lvgl_micropython
then I ran the following command:
python3 make.py esp32 --optimize-size --flash-size=4 --uart-repl-bitrate=921600 --enable-uart-repl=y BOARD_VARIANT=SPIRAM

and I got endless loop after uploading the firmware to CYD:

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image758×873 15 KB

before starting the flash Thonny asked me for determining image type:

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image766×675 52.4 KB

I thought that maybe the parameters were causing the firmware not to work, so I made a new one by running the command:

python3 make.py esp32 BOARD=ESP32_GENERIC BOARD_VARIANT=SPIRAM clean

and the result was the same, endless rebooting loop:
image

I also used the CYD-2432S028R.toml file from the display_configs folder:

python3 make.py --toml display_configs/CYD-2432S028R.toml clean

unfortunately it still reboots endlessly after flashing CYD:
image

I switched to the branch 19dedff21b43b9c5152418c27743a7a86b52ee55:
git checkout 19dedff21b43b9c5152418c27743a7a86b52ee55
git pull
but unfortunately it still reboots endlessly after flashing CYD

Do you have any suggestions or could you provide a command with parameters that would allow me to build a working firmware?

22

Thank you! It works))) But it added ONLY “lvgl” module! There is no any display modules such as : ili9341, ili93XX , lv_utils, lv_spi, lv_colors and xpt2046. Just only “lvgl” module in new firmware “MicroPython v1.20.0-2492.g48ea6e4cf on 2025-05-06; Raspberry Pi Pico W with RP2040”
May be you can tell how to add the missed modules???

23

Unfortunately this is a problem with this repository, I tried to build the firmware for esp32 and there was no lvgl, but there were the other components you wrote about and also Micropython v1.20… My knowledge of building firmware is basic and I am not able to help you unfortunately.

24

You cannot use thonny to do anything with an LVGL MicroPython binding because it doesn’t do things properly.

I do not know what ESP32 you are using as your build command looks funky…

as an example… If you have an ESP32 S3 that has OCTAL SPIRAM, 16mb of octal SPI flash and you are using the USB CDC to connect using a display that has the st7796 IC and a touch that uses the gt911 IC and you want to optimize for size you would use the following build command…

python3 make.py esp32 BOARD=ESP32_GENERIC_S3 BOARD_VARIANT=SPIRAM_OCT DISPLAY=st7796 INDEV=gt911 --enable-cdc-repl=y --enable-jtag-repl=n --enable-uart-repl=n --octal-flash --flash-size=16 --optimize-size
25

when the firmware finishes build it tell you the command you need to run next. the only thing you need to set in that command is the serial port to flash to. Then open up a serial terminal program to connect to the ESP32… It’s actually really easy to get up and running. you just need to figure out what you need to use for a build command. As a suggestion. I would not run the repl at that speed. it’s going to have errors in it because a lot of the USB to UART bridge IC’s that are used with the ESP32 dev boards are not able to keep up.

27

delete that post and open an issue on the github repo for the binding. I will correct the issue there. I already know what it is and it was bone headed of me to not check to make sure that all of the esp32 variants supported the structure I am using for the MMC Card reader driver.