I can read incoming characters, so the connection is ok and lHandle
is valid. I tried TCIOFLUSH as another QueSelector and tried also
ioctl instead of Fpioctl.
termio.tcflush but that does
fpioctl(fd,TCIOflush,pointer(qsel));
TCFlush is working now. Thank you.
my problem with fpioctl was the third parameter qsel. In my first
attempts I tried something like
fpioctl(fd,TCIOflush,@qsel);
which does compile with no warning but does not work.
the pointer type cast is the correct way:
fpioctl(fd,TCIOflush,pointer(qsel));
Regards, Bernd.
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