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My problem is pretty simple. I would like to add a C/C++ program to the NXP MIMXRT1020 EVK that classifies some traffic signs. The issue here is that for a neural network to work, I need some files containg the model and some other stuff. The need of files raises the issue of needing a filesystem which Zephyr does not support on the MIMXRT1020 EVK. So I've tought of writing my own SDHC "driver" to help me with this issue and maybe also help the community for that matter. I've tought of embedding the model in the program, but many of the functions of the library I tried to use (opencv cnn classifier and Shark) use functions that require opening files, so it was either modifying those or Zephyr.
I've posted a week ago this post which asked about how to basically write (some kind of) a driver for the NXP MIMXRT1020 EVK so that I can use the SDHC to compile the fat filesystem sample. I am really new to this so I would love if you could help me out a bit as some of you did already.