linguini1 opened a new issue, #12665:
URL: https://github.com/apache/nuttx/issues/12665

   Hello,
   
   I am relatively new contributor, and I am looking to add support for the 
SHT4X temperature and humidity sensor. I have a branch that is a work in 
progress here: https://github.com/linguini1/nuttx/tree/sht41-sensor
   
   I have been able to accomplish most of the driver by looking at the SHT21 
and SHT3X drivers made before, which are similar. Most of the i2c logic I have 
already tested previously on another platform, but I would like to now test on 
a NuttX build to make sure that all parts of the driver work correctly.
   
   I am struggling to register the driver properly. I have found where the 
SHT3X was registered on an ESP32 board on the code base, as well as this 
article: https://www.embeddedrelated.com/showarticle/1668.php
   
   I have tried adding the registration logic to the `rp2040_common_bringup()` 
but receive a linker error that my `sht4x_register` function cannot be found, 
despite the inclusion of the correct headers.
   
   This also leads me to another question; is there a way to dynamically load 
these drivers, or must the drivers always be started in the board 
initialization logic by pre-configuring which sensor drivers to include?


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