Hi,
I have a set of (closed source) programs running on ubuntu linux that
seem to need support for TIOCSERGETLSR in the ftdi_sio module.
What I notice is that the programs work using a normal serial port but
fail when using a USB serial port. Output of strace suggests it keeps on
calling ioctl with TIOCSERGETLSR. It probably wants to know if it's data
is sent.
In the header file (ftdi_sio.h) I see a definition of FTDI_RS_TEMT which
could be read from byte 1 from the IN EndPoint.
Is it possible someone point me to information on where I can learn how
to get hold of such an EndPoint? Or is there another way this
functionality (detect all data is actually sent) can be implemented?
regards,
--
Willem-Jan de Hoog
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