On Wed, Feb 3, 2010 at 6:30 AM, Uwe Bonnes
<bon@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> 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
http://developer.intra2net.com/mailarchive/html/libftdi/2010/msg00075.html
Jie
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