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Micro-Python libiary for the ili9341
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.gitattributes
24bit_to_16bit.py
MP_ili9341.py
README.md
image1.bmp
image2.bmp
image3.bmp
image4.bmp
screen_example.py
text.fnt
text_example.py

README.md

ili9341-tft

Micro-Python libiary for the ili9341

Currently this driver is ver basic and will only upload 320x240 images that have been preprocessed into 16bit 5R6G5B BMP format. The 24bit_to_16bit.py is a very basic hack I wrote to convert 320x240 24bit 8R8G8B BMP files into the needed format. I created the orginial 320x240 BMP files with photoshop and saved them as BMP file then clicked on advanced and selected 24bit 8R8G8B.

The driver will setup the ili9341 chip to be able to bus data directly from the 16bit BMP file directly to memory wihtout futher processing The driver will setup the screen in 320x240 mode not the usually 240x320 mode generally used by ili9341 The driver will also setup the screen in RGB mode where mpost drivers will use BGR mode The posistionon x=0 and y=0 is has been setup to be at the bottom left of the screen as this is the format used by BMP files.

This project so far has been developed on the ESP8266 using Micro-Python There is much futher development yet to come and plan to make a high level GUI user interface for the ESP32

When calling the load_image(image_file, chunk_size=1024) you can specify the chunk size that it reads from file and dumps to the screen. The larger the chunk size the better the speed of transfer but the more the cost in RAM. 1kb is default value due to some boards being very limits with aviable RAM.

Latest updates have added a scalable text putter and remover. You can add text on top of images and scale the text to any size and choose any colour for foregraound or back ground. There is also a text remover that allows you to remove the text and restore the image that was behind the text.

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