USB Mass Storage support #41
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It is absolutely theoretically possible, but, last time I tried, neither Windows nor Linux (for different reasons) would let me make a mass storage device, since they really wanted bulk endpoints for the data transfer. It's totally possible some other descriptor voodoo would work! I only spent about 15 minutes trying. |
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Apparently I can't build function rv003usb's here :'( I have some GCC version that doesn't work right. I guess I'll have to debug tonight. |
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Maybe this would help: https://github.com/brendena/pico_drag_n_drop_programmer/blob/main/msc_disk.c |
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Super curious if that can be made to work with USB-low-speed. |
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The current code has support/examples for HID class devices. Would it be possible/feasible to implement Mass Storage Class on top of the existing core USB code? Or are there any particular challenges or limitation forseen with that?
My use case is a data logger. I would write to a small (1 MB) FAT32 filesystem to external SPI flash. And then to expose that over USB, to allow copying the logs over to a computer.
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