Jie Zhang wrote:
>> We can't set readbuffer_chunksize larger than MAX_BULK_BUFFER_LENGTH,
>> which is defined in libusb-1.0, on Linux. Otherwise, each USB read
>> request will be divided into multiple (to be exactly, 4) URBs. The
>> last 3 URBs of these 4 URBs will usually result in abnormal reaps
>> because we usually request small number of data. The abnormal reaps
>> will concatenate empty ftdi packets to other packet on Linux kernel
>> older than 2.6.32. libftdi cannot parse such combined packet. This
>> will cause issue for UrJTAG when using libftdi-1.0 with libusb-1.0. I
>> have committed this patch on the libftdi-1.0 git tree.
In other words, the status bytes issue only happened with very large reads,
or is there something else going on that I'm missing? If the former, I
hadn't seen that context on any of the emails... Anyway, good catch
libftdi - see http://www.intra2net.com/en/developer/libftdi for details.
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