On Wed, Feb 3, 2010 at 6:30 AM, Uwe Bonnes <[email protected]> wrote: > Okay, > > now running libftdi-1.0 linked against libusb-1.0. > > After fighting some other problems, the same thing happens. As soon as in > following expression > > #define CHUNKEXP 14 > if (ftdi_read_data_set_chunksize(&ftdic, 1<<(CHUNKEXP))) > > CHUNKEXP gets bigger then 14, blocks of data get skipped. Maybe something in > libusb or even the kernel... > As I found, the read chunksize cannot be set larger than 16K. See
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