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USB MSC not showing the file contain in it, though it has file.

ykn
Senior

‎2023-06-02 05:54 AM

hi there,

we have done project on stm32h743, having USB MSC. i have tested 5 board out if which three board showing file in Fatfs Using USB MSC and remaining are not showing anything though it it has file in it. I don't know how come this happening.

what is the possibility of bug in my code, please guide me.

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3 REPLIES 3
Pavel A.
Evangelist III

‎2023-06-02 11:38 AM

Is the file on external medium (usb stick, SD card)? the boards are custom?

Try to debug, sometimes it helps.

​

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ykn
Senior
In response to Pavel A.

‎2023-06-03 03:26 AM

the file is on external flash w25q128jv and the board are custom.

debug many time, but no use.

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Pavel A.
Evangelist III

‎2023-06-03 11:22 AM

If the boards are custom, there is a chance that some boards are defective. Can you get more boards to test ?

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