On Sat, 5 Jan 2002 20:11:20 -0500, Andy Meng wrote:

>Hello,
>
>I am working on a Windows program using C++ to talk to a PIC. The PIC is
>using 9-bit serial mode (the PC is simulating one side of what will
>eventually be two PICs communicating over an RF link), but it seems that=
 the
>PC serial port can do only 8 bits. Is this true? Is there a way to get
>around this?
>

I don't know the specifics of the C++ interface code but, in
Hyperterm, the 9th bit can be set to odd parity, even parity, mark,
space, or none. You'll probably find a similar capability in your C++
documentation.

Switching between mark and space could get a bit messy if you want to
use the 9th bit as a data bit. Are you using it for data or for parity
checking?

Regards, Bob

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