>>>>> "Venkatesh" == Venkatesh Shukla <venkatesh.shukla.eee11@xxxxxxxxxxxx>
>>>>> writes:
Venkatesh> Hello guys Sorry for bugging you. But I am facing a problem
Venkatesh> while using libftdi.
Venkatesh> I am trying to read data from a divecomputer Heinrichs
Venkatesh> Weikamp OSTC3. It has FT232RL for interfacing.
Venkatesh> I am using libftdi to achieve that. The steps to read the
Venkatesh> data are
Venkatesh> 1. Initialise the device 2. Send INIT byte (0xBB) to the
Venkatesh> device. 3. The device responds with an echo of the command
Venkatesh> (0xBB). 4. The device then sends a READY byte (0x4D). The
Venkatesh> device is now ready for the next step. 5. Send the HEADER
Venkatesh> (0x61) byte to the device. 6. In response to this, it first
Venkatesh> sends an echo (0x61) back to the device. 7. Then it sends
Venkatesh> the device headers. This is the data I need. It should be of
Venkatesh> 65536 bytes. But I am reading only around 65446 bytes. It is
Venkatesh> a serious error.
Venkatesh> I am new to libftdi and ftdi chips in general. What am I
Venkatesh> missing? How can the above stated problem be resolved?
Did you try to do the same from /dev/ttyUSBx? Does the problem happen there
too?
If you need pure UART functionallity from the FT device, I think the kernel
driver is the best way.
Bye
--
Uwe Bonnes bon@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Institut fuer Kernphysik Schlossgartenstrasse 9 64289 Darmstadt
--------- Tel. 06151 162516 -------- Fax. 06151 164321 ----------
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