libftdi Archives

Subject: SOLVED: Release 0.15 and the ft2232 data loss.

From: "David Challis" <dchallis@xxxxxxxxxxxxx>
To: <libftdi@xxxxxxxxxxxxxxxxxxxxxxx>
Date: Sun, 22 Mar 2009 16:07:35 -0700
Here is my final answer:

The ft2232H spaces the modem status bytes every 512 bytes rather that the
expected 64 byte interval of prior chips like the ft245.  Libftdi will have
to be changed to detect the type of chip connected and adapt the
ftdi_read_data() routine to handle the appropriate spacing between modem
status bytes.

Cheers,

Dave Challis



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