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Ayke van Laethem cba17ef125 st7735: add DrawRGBBitmap8 method to draw raw RGB565 buffers

This is needed for high performance graphics.
Using this API, and using partial updates to the screen (no full screen
refreshes), I've been able to get well over 60fps of updates.

2023-03-28 19:52:27 +02:00

README.md

Driver ST7735 for TFT color displays (#72 )

2019-08-03 11:13:15 +02:00

registers.go

added scroll functionality to st7735

2020-01-30 10:20:45 +01:00

st7735.go

st7735: add DrawRGBBitmap8 method to draw raw RGB565 buffers

2023-03-28 19:52:27 +02:00

README.md

ST7735 driver

There are multiple devices using the ST7735 chip, and there are multiple versions ST7735B, ST7735R & ST7735S. Two apparently identical displays might have different configurations. The most common issues are:

Colors are inverted (black is white and viceversa), invert the colors with display.InvertColors(true)
Colors are not right (red is blue and viceversa, but green is ok), some displays uses BRG instead of RGB for defining colors, change the mode with display.IsBGR(true)
There is noise/snow/confetti in the screen, probably rows and columns offsets are wrong, configure them with st7735.Config{RowOffset:XX, ColumnOffset:YY}

If nothing of the above works, your device may need a different boot-up process.