James,

Did you ever come to a conclusion as to what to include?  I'd be interested to see the final product!

Cheers,

Howard Winter
St.Albans, England

On Fri, 16 Mar 2007 12:31:20 -0700, James Newtons Massmind wrote:

> If you were going to put a little microcontroller (like a PIC) and a small
> LCD display in a serial cable, what sort of information would you want the
> LCD to display?
> 
> We are talking like 8 characters here, not a 4x20. It might even be an LED.
> 
> But as long as the PIC has to be there anyway, why not have it do something
> interesting?
> 
> Here are my initial ideas:
> - Auto detected baud rate. It might not always be totally accurate, but it
> would be nice to have a sanity check on the data being sent... "Did this
> thing not get set to 9600?" "Oh, it's sending at 19.2... No wonder we are
> just seeing garbage"
> 
> - Parity. If it appears that there is a valid Parity in the stream after
> some number of bytes, put an "E" or "O" on the display or light an LED next
> to a printed "P" green for Even, red for Odd.
> 
> - Stop bits?
> 
> - Last character through the cable at the auto detected rate?
> 
> - "+DTR", "-CTS" etc... For 1 second after the signal asserts or is
> released.
> 
> - Blank display 2 seconds after the last signal goes through.
> 
> So if you were connected to a device that was sending a string at 9600E81
> and your buffer filled up  you might see the following in sequence:
> 
> "9600", "9600E81", "XOFF", "XON", "9600", " "
> 
> What would you want to see, or think it would be possible to add?
> 
> ---
> James.
>  
> 
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