Re: [ECOS] Can't connect to remote Evaluator 7T

Gary D. Thomas
2003-02-19T17:47:53Z

On Wed, 2003-02-19 at 10:41, Mark Salter wrote:
> >>>>> Quality Quorum writes:
>
> > On Wed, 19 Feb 2003, Mark Salter wrote:
>
> >>
> >> Not only that, from my experiments with a cable tap, nothing is going out
> >> of the PC to the target. The write(2) succeeds, but nothing is sent on
> >> the wire. Closing and reopening the serial device usually clears up the
> >> problem.
>
> > Connect through minicom and make sure that target responds with gdb packet
> > when you send enter. My $0.02.
>
> The target is sitting at the RedBoot prompt. I physically tapped the
> serial line and watched from another host. The packet from GDB never
> makes it to the wire. If I startup minicom on the host with GDB still
> trying to connect, then data starts flowing on the wire again although
> GDB and minicom are fighting over the read data.
>

Maybe it's a handshake issue? Perhaps GDB is leaving or setting
the port into a handshake mode (that may not work) and minicom does
not. Or some such combination. Checking with "stty </dev/XXX"
from another window while both applications are running might
give some useful insights.

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