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by bruce_miranda
Sun Jul 20, 2014 8:15 pm
Forum: Beginners
Topic: HDMI Leads - £1 in poundland (UK)
Replies: 22
Views: 21466

Re: HDMI Leads - £1 in poundland (UK)

CEC doesn't work on the poundland cables. I have 6 of them and tested all of them and its the same. Swapped them with the equally cheap freebies included by Sky and CEC works perfectly.
by bruce_miranda
Sun Jul 20, 2014 8:07 pm
Forum: Media centres
Topic: CEC and Maplin HDMI cable
Replies: 7
Views: 3571

Re: CEC and Maplin HDMI cable

I would like to report that the HDMI cables sold in Poundland as v1.4 also have a problem with CEC. I was tearing my hair out trying to figure out why my xmbc couldn't use my TV remote till I swapped the cable. Until that time the Poundland cables have been doing just fine and worked for everything ...
by bruce_miranda
Tue Apr 01, 2014 9:46 pm
Forum: Automation, sensing and robotics
Topic: sending commands to serial port
Replies: 20
Views: 36897

Re: sending commands to serial port

OK so only screen is able to send the commands to the Serial port. That is OK for any command I need to send the amplifier. However the amplifier is also able to send me back the status if I send it certain commands. e.g. "Main.Balance.Leveltrim?" should Read the Balance Level trim and return it bac...
by bruce_miranda
Mon Mar 31, 2014 6:51 pm
Forum: Automation, sensing and robotics
Topic: sending commands to serial port
Replies: 20
Views: 36897

Re: sending commands to serial port

Even with root I cannot send a command to the serial port via echo. [email protected]:/home/pi# stty speed 115200 baud; line = 0; eol = M-^?; eol2 = M-^?; -brkint ixany -echok [email protected]:/home/pi# echo "\rMain.Power=On\r" > /dev/ttyUSB0 I get no errors but the amplifier does not turn on. But if I run t...
by bruce_miranda
Sun Mar 30, 2014 9:36 pm
Forum: Automation, sensing and robotics
Topic: sending commands to serial port
Replies: 20
Views: 36897

Re: sending commands to serial port

root is disabled on raspbmc. What else can I try?
by bruce_miranda
Sat Mar 29, 2014 5:02 pm
Forum: Automation, sensing and robotics
Topic: sending commands to serial port
Replies: 20
Views: 36897

Re: sending commands to serial port

I am not doing this on the Denon, but on a NAD. But I don't think that is the issue here. The issue is I can't talk directly to the serial port for some reason. Could it be permissions? I'm trying this on a Raspbmc installation that has root disabled. [email protected]:~$ stty 115200 < /dev/ttyUSB0 -bash: ...
by bruce_miranda
Fri Mar 28, 2014 11:59 pm
Forum: Automation, sensing and robotics
Topic: sending commands to serial port
Replies: 20
Views: 36897

Re: sending commands to serial port

I am doing this too but for a NAD. If I try and use the echo command I always get -bash: /dev/ttyUSB0: Device or resource busy how do I send data to the serial port. If I use your workaround of using the screen commands then I can send data to the NAD. But the problem is I don't know how to read the...

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