The expansion board is connected to SPRESENE and the LED sample on Arduio IDE on Windows is working properly.
The micro SD card is formatted with FAT32 (tried 2G and 16G capacity) and has not been partitioned.
Connect to USB on expansion board side (both on the same PC as main board) and drive appears in Explorer as removable disk, but when you try to open it, a dialog appears asking you to insert the disk into removable disk.
Reseating the SD card in this state does not change.
Of course, the UsbMscAndFileOperation in the sketch does not show the file.
>>Start File Operation
file open error
Size Filename
---- --------
<Finish File Operation
>>Start USB Mass Storage Operation
Finish USB MSC? (y/n)
<Finish USB Mass Storage Operation
I would appreciate it if you could give me some knowledge that will lead to a solution.
arduino spresense
It may not matter, but is there any problem with the physical connection between the main board and the expansion board?
My connection is bad, and I'm hooked on an error where my SD card is not recognized.
It is now recognized by tight fitting.
What is the version of Arduino Lib of SPRESENSE?I was able to access 1.0.1 without any problems.I am using the UsbMscAndFileOperation sample sketch.The operating system of the Host PC is Windows 10.
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