potato1992 commented on issue #10872:
URL: https://github.com/apache/nuttx/issues/10872#issuecomment-1754122173

   Problem solved. I compared my configurations carefully with PX4 flight 
controller's, as my pixhawk log perfectly with the same SDCard. It seems that, 
in addition to the Youtube SD card 
[guide](https://www.youtube.com/watch?v=H28t4RbOXqI&t=15s), some further config 
needs to be done:
   1. `System Type → SDIO Configuration`, check `SDIO Card support`
   2. `Device Drivers → MMC/SD Driver Support`, check `Use D0 Busy to detect 
Write Complete` and `SDIO block setup`
   
   I hope more guide as well as documents can be given for nuttx, I have to 
investigate very deep into the system source code implementing every single 
function, that is surely not the behaviour of a usable OS. Most people are 
interested in nuttx just because they are interested in PX4, not nuttx side at 
all. As a comparison, RT-thread brings much better community support as well as 
official documents.


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