I will guess that the SD card is not booted fully before your code tries to access it.
I will guess that the SD card is not booted fully before your code tries to access it.
Dave
Always wear safety glasses while programming.
tried to add pause at start and it did not help, but then I learnt that I was resetting the controller at the time when the card is being accessed and this was hanging the card. Adding indication when not to reset helped
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