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Date: Tue, 15 Feb 2022 18:03:26 -0800 (PST)
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Subject: Re: Controlling st7789 screen from Ada on a rpi Pico ?
From: "jer...@synack.me" <jeremy@synack.me>
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On Tuesday, February 15, 2022 at 1:18:48 PM UTC-8, bj=C3=B6rn lundin wrote:
> So, I got my first Raspberry Pico :-)=20
>=20
> I also got a 'Pico Explorer Base' device at=20
> <https://shop.pimoroni.com/products/pico-explorer-base>=20
>=20
> This thing has a st7789 screen. I got it to work with Python.=20
>=20
> Now - I see that there is work done with the Pico and Ada - the=20
> <https://pico-doc.synack.me> seems to be a good place to start.=20
>=20
> I wonder if there is any port done already for this screen in Ada?=20
> Google points me to some python and some c/c++ implementations (whereof=
=20
> Pimoroni's Github has some)=20
>=20
> I also came across uGUI <http://embeddedlightning.com/ugui/> which=20
> loooks interesting. Same question there. Ada-port?=20
>=20
> I hesitate to start translating one of the c-libraries - but=20
> I probably will when time permits if nothing is already in place.=20
>=20
>=20
> --=20
> Bj=C3=B6rn

The Pimoroni Picosystem uses a ST7789 screen, I have a driver for it in pic=
osystem_bsp:

https://github.com/JeremyGrosser/picosystem_bsp/tree/master/src

I didn't implement every feature or video mode that the controller supports=
, so you may need to modify it to suit your needs.