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ST7735 display driver

Copyright 2017 Moddable Tech, Inc.
Revised: September 10, 2024

The ST7735 LCD controller drives 16-bits per pixel (RGB565LE) displays. Displays are up to 240 pixels wide and 320 pixels high. This implementation has been tested with the "green tab" display from Adafruit at 128 x 160.

Note: The ST7735 is a direct subclass of the ILI9341 display driver. The only difference is register initialization. See the ILI9341 driver's documentation for details.

Adding ST7735 to a project

To add the ST7735 driver to a project, include its manifest:

"include": [
	/* other includes here */
	"$(MODULES)/drivers/st7735/manifest.json"
],

If using Commodetto or Piu, set the screen property of the config object in the manifest to st7735 to make ST7735 the default display driver. If there is no touch input, set the touch driver name to an empty string to disable it.

"config": {
	"screen": "st7735",
	"touch": ""
},

Defines

Because the ST7735 driver is a subclass of the ILI9341 drive, its defines object must use "ili9341" not "st7735".

"defines": {
	"ili9341": {
		"width": 160,
		"height": 128
	}
}