--- In RoboBricks2@yahoogroups.com, Brandon Blodget <bbhome@...> wrote:
>
>
> >For revision C of WireHost, pin 11 and pin 15 are
> >connected to ground.
>
> That is interesting. I have rev C but no connectivity
> between pin 11 and pin 15. I've jumped the two together now.

Perhaps a manufacturing defect? It is not something that
I would easily detect, since that buffer of the Max232 is
not used (i.e. pin 14 is NC.)

> >Other things to check are whether you have the baud rate
> >of microcom set to 115200. Also, be sure to turn off all
> >flow control if they have any.
>
> Changing the baud rate in microcom to 115200 improved things
> a lot! I thought I did not have to set it because I used
> the "stty" command to set the baud rate in a startup script.

microcom is obviously resetting the baud rate, which is not an
unreasonable thing for it to do.

> Now I get the following output:
>
> >Z
> !
> >

You are really close once you get the ">".

Try wiggling the connector.

> So it is echoing back characters (and a little more) but I am not
> getting info from the modules in the chain. I went back and
> tried the usb2serial and verified it still works.

[snip Serial program discussion]

> >Let me know if you want "Serial".
>
> Yes. Please send it to me.

I sent it via a separate post directly to you. If you
don't get it, please bug me.

> >To test microcom/Serial I use a shorting block on
> >pins 2 and 3 of the router. If that causes echoing
> >to show up/go away, that means that microcom/Serial
> >is working.
>
> Yes. I have done this test. Actually this test fails
> on /dev/tts/0. I've been using /dev/tts/1which passes
> this echo test.

Interesting. I have never gotten /dev/tts/1 to work
on my or Bill's router, just /dev/tts/0. Everytime I
turn on /dev/tts/1, the whole system crashes.

[snip Tuesday]

> >Alternatively, this Wednesday evening is the HBRC meeting
> >and I can bring my router and stuff and we try and scrounge
> >a few minutes after show and tell.
>
> This sounds great. I'll bring my router and modules.

We have a plan, if you do not figure this all out beforehand.

-Wayne