[mythtv-users] DirecTV serial control problems

John OKeefe john at terminalreality.com
Tue Jun 29 18:34:41 EDT 2004

Where can I get statserial or is it a common program among Linux distros?


- John 


From: Richie Crews [mailto:rcrews at intercall.com] 
Sent: Tuesday, June 29, 2004 2:49 PM
To: Discussion about mythtv
Subject: RE: [mythtv-users] DirecTV serial control problems


It should be /dev/ttyS0 or /dev/ttyS1. Unix is case sensitive so make sure
you have it right. You could also try the program called statserial. It will
tell you which port is live and give you a break down on port pins are
active and what not.


-----Original Message----- 
From: mythtv-users-bounces at mythtv.org
[mailto:mythtv-users-bounces at mythtv.org
<mailto:mythtv-users-bounces at mythtv.org> ] On Behalf Of John OKeefe 
Sent: Tuesday, June 29, 2004 3:43 PM 
To: Discussion about mythtv 
Subject: [mythtv-users] DirecTV serial control problems 

I am having problems getting MythTV to control my DirecTV box. 

I have a DB9 serial cable that I am using. I have verified that the serial 
cable works by using the DTVcontrol program here: http://www.dtvcontrol.com/
With this control and a Windows 2000 computer I was able to successfully 
change controls, turn power off and on, etc. I had to have the utility use 
the old command set as it did not work with the new command set. 

I am using the rca.pl script downloaded from here: http://tarek.2y.net/myth/

I have tried ttys0, ttys1, cua0, and cua1 and none work. 

Is there a way to know exactly what port my serial cable is connected to? 

What is the difference between ttys ports and the cua ports? 

Is there a serial port monitoring tool that will allow me to see commands 
being sent back and forth so I can see what is happening? 

Any other thoughts on what I might need to do to get this working? 


- John 

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