Two stop bits would help if you had a particularly noisy line...
other than that, I'm with Jim on the settings.
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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