Is there a way that we can cheat the host to see the other end as a peripheral and not as another PC? Coz we should have in the host side the standard way of sending data, and so I think doing our own protocol wouldn't work.
Dave Strauss <D.Strauss@motorola.com> wrote:
On Wed, 22 Oct 2003 03:46:51 -0700 (PDT), Cherry Cortes wrote;
> We have a loop that only exits if there are some characters
> received from the parallel port but the loop never breaks even we
> have sent data. By the way, what we're trying to do is to connect 2
> pcs wherein 1 acts as sender and the other as receiver ^_^
Well, you can't really do that with two PCs. Both of them are the
host end of the IEEE-1284 standard, and in order to send data from one
to the other one of them has to act as host and one of them has to act
as a preipheral. I believe you should be able to transfer data by
manipulating the data and control lines directly, but you won't be
able to do it just by doing a read() call. You'll also probably have
to come up with your own protocol. LapLink used to do this sort of
thing -- they had a special cable and their own software. Are they
still in business?
-- Dave Strauss
> Tim Waugh wrote:On Wed, Oct 22, 2003 at 03:31:55AM -0700, Cherry Cortes wrote:
> > > errno was EAGAIN and call to PPCLAIM was successful.
> > You set O_NONBLOCK?
> > Tim.
> > */
> > Yes, we already did. Have we missed any procedures/calls?
> Then you need to call read() again. :-)
> EAGAIN Non-blocking I/O has been selected using O_NONBLOCK and no data
> was immediately available for reading.
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