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

[Gary D. Thomas]

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.

-- 
.--------------------------------------------------------.
|       Mind: Embedded Linux and eCos Development        |
|--------------------------------------------------------|
| Gary Thomas              email:  gary.thomas@mind.be   |
| Mind ( http://mind.be )  tel:    +1 (970) 229-1963     |
| gpg: http://www.chez-thomas.org/gary/gpg_key.asc       |
'--------------------------------------------------------'


-- 
Before posting, please read the FAQ: http://sources.redhat.com/fom/ecos
and search the list archive: http://sources.redhat.com/ml/ecos-discuss