This driver adds support for 320x240, 240x240 and 135x240 ST7789 displays with rotations for the ESP32 to the LVGL MicroPython bindings.
- Clone the https://github.com/lvgl/lv_micropython repo.
- Copy the espidf.c and ili9XXX.py files from the es32 directory in this repo into the lv_micropython/lib/lv_bindings/driver/esp32/ directory of your cloned lv_micropython repo.
- Follow the build instructions from the README.md of the https://github.com/lvgl/lv_micropython repo.
See the firmware directory for a pre-compiled firmware files you can flash to an ESP32 device using the esptool.py utility.
| Directory | File | Device |
|---|---|---|
| tdisplay | firmware.bin | LILYGO® TTGO T-Display or GENERIC ESP32 |
| twatch-2020 | firmware.bin | LILYGO® T-Watch 2020 or 16MB GENERIC ESP32 |
See the examples directory for several example LVGL MicroPython programs configured for the LILYGO® TTGO T-Display and LILYGO® T-Watch 2020 devices.
st7789(
miso=-1, mosi=19, clk=18, cs=5, dc=16, rst=23, power=-1, power_on=0
backlight=4, backlight_on=1, spihost=esp.HSPI_HOST, mhz=40, factor=4,
hybrid=True, width=135, height=240, colormode=COLOR_MODE_BGR, rot=PORTRAIT,
initialize=True)
| Arg | Description |
|---|---|
| miso | Pin for SPI Data from display, -1 if not used as many st7789 displays do not have this pin |
| mosi | Pin for SPI Data to display (REQUIRED) |
| clk | Pin for SPI Clock (REQUIRED) |
| cs | Pin for display CS |
| dc | Pin for display DC (REQUIRED) |
| rst | Pin for display RESET |
| power | Pin for display Power ON, -1 if not used |
| power_on | Pin value for Power ON |
| backlight | Pin for display backlight control |
| backlight_on | Pin value for backlight on |
| spihost | ESP SPI Port |
| mhz | SPI baud rate in mhz |
| factor | Decrease frame buffer by factor |
| hybrid | Boolean, True to use C refresh routine, False for pure Python driver |
| width | Display width |
| height | Display height |
| colormode | Display colormode |
| rot | Display orientation, PORTRAIT, LANDSCAPE, INVERSE_PORTRAIT, INVERSE_LANDSCAPE |
| invert | Display invert colors setting |
| double_buffer | Boolean, True to use double buffering, False to use single buffer (saves memory) |
| half_duplex | Boolean, True to use half duplex SPI communications |
| asynchronous | Boolean, True to use asynchronous routines |
| initialize | Boolean, True to initialize display |
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