>>>>> "Akos" == Akos Vandra <axos88@xxxxxxxxx> writes:
Akos> Hi! I am tryingo to use an FT2232 chip in UART mode. I would like
Akos> to write a function that reads the queued buffer from the chip, if
Akos> there are bytes available, and return with no data if there are no
Akos> bytes to be read. (Non-blocking). To do this I guess I would need
Akos> some mechanism to test how many bytes are available. Is there such
Akos> a funciton in libftdi?
The Chip itself has no such function.
To do what you want, you have to run like libftd2xx:
- Start one thread to continously read the device with a given timeout and
write to a buffer
- Now your main program can read non-blocking from the buffer in the other
thread.
Bye
--
Uwe Bonnes bon@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Institut fuer Kernphysik Schlossgartenstrasse 9 64289 Darmstadt
--------- Tel. 06151 162516 -------- Fax. 06151 164321 ----------
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libftdi - see http://www.intra2net.com/en/developer/libftdi for details.
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