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When using a st7789 display (135x240), cannot get display to center image #180

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@thejunglejim

Hi,

I'm using a st7789 display which is 135x240. It is this one https://www.adafruit.com/product/4393

Using your examples with the following parameters to test it:
python3 bounce.py --display=st7789 --interface=spi --spi-bus-speed=52000000 --gpio-data-command=25 --gpio-backlight=22 --backlight-active=high --width=240 --height=135
I can get the screen to display but part of the image is moved off to the top and left. See attached image.

Image

I tired using --h-offset and --v-offset with different values but it does not seem to make a difference.

On other drivers, you normally specific the following offsets: offset_left=40 offset_top=53

I not sure how to get the display to align correctly??

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