Re: [Gumstix-users] Using consoleLCD serial ports

[Torchris <chr...@ro...>]

I have seen the procedure for removing the resistors (pretty tricky looking).
Does this mean the RS232 ports are unavailable if the resistors are removed? 

regards,

Chris


Marc Humphreys wrote:
> 
> The consolevcd-vx has both rs232 and ttl signals - the rs232 go to the din
> connectors and the ttl go to the 0.1" header locations. However if you use
> the ttl nets you need to isolate them from the rs232 xcvr by removing two
> 0 ohm resistors else you have contention - at least on the rx side going
> to the gumstix.
> 
> -----Original Message-----
> From: "Torchris" <chr...@ro...>
> To: gum...@li...
> Sent: 9/9/08 8:53 PM
> Subject: [Gumstix-users]  Using consoleLCD serial ports
> 
> 
> Hello,
> 
> I am experimenting with the serial ports on the consoleLCD/Verdex using a
> SparkFun serial LCD units
> (http://www.sparkfun.com/commerce/product_info.php?products_id=462) which
> I
> have run through a TTL-RS232 converter. It works like  a charm using my
> PC,
> but I can't seem to get it to work with the Gumstix on either ttyS0 or
> ttyS2. It requires 9600 baud 8N1 connection.
> 
> 1. Does the Minicom package available via ipkg work? Looks like it works,
> but it's not sending any data.
> 
> 2. Has anyone been able to get the "sertest.c" demo program compiled with
> OE? I have tried to compile this, but OE doesn't like it.
> 
> thanks,
> 
> torchris
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