Re: ftdi - iMX25 - linux 2.6.31
Thomas Jarosch <thomas.jarosch <at> intra2net.com>
2012-05-18 13:00:47 GMT
On Tuesday, 15. May 2012 11:44:23 Venkatraman V wrote:
> We are trying to use your libftdi on our ARM
> board (iMX257). A device attached to this
> board gives data <at> about 230400bps. The
> linux kernel in use in 2.6.31(207g). We read
> data for about 10 seconds from this device
> as and when the user requests to.
> Sometimes there is a data drop due to which
> all packets have to be dropped due to CRC
> errors. (We have a 28byte packet. Certain
> times all the packets have < 28bytes in size).
> Data exchange is hex.
> Could you please help us know what could be
> the reason? Also, do let me know if you
> would need more information in this regard.
I would try to reproduce your problem on a x86 host system.
If the problem persists, it might a kernel, libusb or libftdi issue.
If not, it's related to your ARM system.
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