Also if I sudo echo to ttyO0 it doesn't show on the terminal monitoring it 
on the other side.

On Tuesday, November 25, 2014 3:35:18 PM UTC-6, foreverska wrote:
>
> Hi board,
>
> I'm working on a project and there are some comms traditionally done by 
> RS232.  The "cape" already has a FTDI chip connected to J1 for convenience. 
>  So I thought that might just be the easiest solution, tell C to latch onto 
> ttyO0 and call it a day.  Well it worked alright but the open terminal on 
> that port kinda got in the way.  So I went into uEnv.txt and moved the 
> terminal (the splurge of info on boot isn't a big deal).  However now TTYO0 
> is basically unresponsive.  When I open TTYUSB1 on my PC with screen the 
> boot splurge happens and then after the kernel is booted there is no more 
> output and it won't accept input.  When I run my application screen stays 
> unresponsive.
>
> Finally I wanted to see if I could finagle it working even with the 
> terminal running on TTYO0 (login and run a program that doesn't poll the 
> resource).  However, after changing uenv.txt back the terminal hasn't come 
> back after several reboots.  I might have changed other stuff in trying to 
> get it to work but I can't remember what.  What else controls the function 
> of TTYO0?
>

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