On Thu, 2 Feb 2006, Dave Cramer wrote:
> Two stop bits would help if you had a particularly noisy line...
> other than that, I'm with Jim on the settings.
or if the rs232 voltages were marginal??? not sure.
>
> Dave
> On 2-Feb-06, at 3:50 PM, Jim Jackson wrote:
>
> >
> >
> > On Thu, 2 Feb 2006, Mikell Taylor wrote:
> >
> >> I just had a friend take a look at it, and he tried setting the
> >> HyperTerm settings to 2 stop bits instead of 1. This solved the
> >> problem.
> >> Anyone else had this experience?
> >
> > No.
> > Here's the settings reported by kermit..
> > 8N1 means 8 data bits, no parity and 1 stop bit. Never used
> > anything else.
> >
> > .......
> > (/home/jj/) C-Kermit>sh comm
> >
> > Communications Parameters:
> > Line: /dev/ttyS0, speed: 115200, mode: local, modem: generic
> > Parity: none, stop-bits: (default) (8N1)
> > Duplex: full, flow: none, handshake: none
> > Carrier-watch: off, close-on-disconnect: off
> > Lockfile: /var/lock/LCK..ttyS0
> > Terminal bytesize: 8, escape character: 28 (^\)
> >
> > Carrier Detect (CD): Off
> > Dataset Ready (DSR): Off
> > Clear To Send (CTS): Off
> > Ring Indicator (RI): Off
> > Data Terminal Ready (DTR): On
> > Request To Send (RTS): On
> >
> > Type SHOW DIAL to see DIAL-related items.
> > Type SHOW MODEM to see modem-related items.
> >
> >> On Wed, 1 Feb 2006, Mikell Taylor wrote:
> >>
> >>> Hey folks,
> >>>
> >>> I'm very much a newbie to the 7250 and, more importantly, to using
> >>> HyperTerminal in Windows to talk to it. I'm just trying right now to
> >>> boot it, and I've got it and the "Getting started with ARM-Linux"
> >> guide
> >>> next to me right now. The 7250 is hooked up to as correct a
> >>> HyperTerminal setup as I can make, and it indeed turning on and
> >> booting,
> >>> however, three things are happening:
> >>>
> >>> 1) I can't get it to display the entire boot sequence in my
> >>> terminal.
> >>> Sometimes I get entire lines of text about what it's doing, like
> >>> bringing up the eth0 interface, or sometimes I get random characters
> >>> that I imagine are the first character in the missing lines of text.
> >>> Often, it's just a blank line space.
> >>>
> >>> 2) It never actually clearly displays a login or bash prompt, which
> >>> gives me little chance to log in.
> >>>
> >>> 3) Once or twice I've thought it has displayed what I thought was a
> >>> prompt, so I tried to log in as root as indicated in the quick start
> >>> guide, but it does not display any of my input text in the terminal
> >> and
> >>> even if i type in "root" and hit enter, it just sits there -- though
> >> the
> >>> cursor does stop blinking for a few seconds, meaning that my
> >>> input is
> >>> going *somewhere*.
> >>>
> >>> I gave it a shot searching through the archives, but it didn't look
> >> like
> >>> this was dealt with. Perhaps this is too newbie a question even for
> >> you
> >>> all.
> >>>
> >>> Any help would be very, very much appreciated.
> >>>
> >>
> >> Ok others have offered advice re power supply and probability it is
> >> duff.
> >>
> >> But maybe best to check out basics, given you say you are a newbie.
> >>
> >> How have you configured the hyperterminal. I've no idea about Windows
> >> apps, 'cos I use linux for my desktop (and I'll give my usual
> >> advice -
> >> if
> >> you plan on doing things with linux on the ts7xxx series, then run a
> >> linux
> >> desktop - the knowledge you gain will pay dividends)
> >>
> >> Serial details should be
> >>
> >> speed 115,200 baud, 8 data bits, no parity, 1 stop bit.
> >>
> >> I set no-flow control, and I set my terminal software (ckermit,
> >> there's
> >> a
> >> version for windows) to ignore the DCD/DSR signals.
> >>
> >> Jim
> >>
> >>
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