RE: TI HDC2022 with nRF5340 (using Zephyr) Failing to Bind

Carl Richard — Tue, 08 Jun 2021 12:03:46 GMT

Hi, Jansens!

Thanks for reaching out. As you have discovered HDC20XX is currently not supported in NCS/Zephyr. I don't know of any official work on a HDC20XX driver, but there has been some effort from external contributors for a HDC20XX driver in this pull request. It's currently marked as stale, but you can probably get some inspiration from it.

Maybe not the news you wanted, but I hope this'll help you on your way. Please reach out if you face any issues!

Best regards,
Carl Richard

RE: TI HDC2022 with nRF5340 (using Zephyr) Failing to Bind

jansens — Fri, 04 Jun 2021 21:20:15 GMT

I did some more digging and discovered that the HDC10XX and HDC20XX were quite different in terms of register maps which explains why the Zephyr provided driver won't work. I also saw through debugging that it fails the device ID check during the TI HDC driver initialization routine which makes sense.
I guess at this point my question is, is there an updated driver for the new HDC20XX sensors available or in development? Or should I just write my own using Zephyr or NRFX API? I understand the fundamentals of I2C from my education and had a little bit of hands on experience with it years ago but I'm completely new to Nordic/Zephyr and the associated tools/libraries. I'm not opposed to attempting this but at the same time I don't have an unlimited amount of time.