Hi, Takashi Matsuzawa <tmatsuzawa@xxxxxxxx> writes: > Sorry for excess message: > >>7) Where additional EPs appear? > > I tried, and they appear in /dev/myffs1 mountpoint alongside with ep0, > and they are there only while I keep opening ep0. that's correct. As soon as ep0 is closed, we assume application is quitting since it won't be able to act upon ep0 notifications anymore. Keep ep0 opened and it should work as you expect. Also make sure to read the example implementations in tools/usb/ffs* -- balbi
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