Raspberry Pi Stack Exchange
Raspberry Pi Stack Exchange

Questions tagged [cec-client]

32 questions
3
votes
2 answers

Which device (in /dev) is the HDMI CEC device?

I want to interact directly with the CEC protocol on my raspberry pi. How can I find out which device to use?
demux
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3
votes
1 answer

Using tv remote to control volume through HDMI CEC

Is this possible? I have my Raspberry Pi connected to my Philips smart tv via HDMI. I've made sure that the CEC protocol is sending and receiving messages using cec-client Various actions on the remote control results in messages in the CEC debug…
demux
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3
votes
2 answers

How to find out CEC commands supported by Samsung TV?

I have Samsung TV (UE46B8000XW) and Raspberry PI with OpenELEC install (cec-client is there). I found how to switch it off and how to change sources: echo "standby 0" | cec-client -s' # switch off echo "tx 2F:82:10:00" | cec-client -s' # hdmi1 echo…
LA_
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2
votes
1 answer

RPi 4 CEC-Client with LG TV, switch from TV tuner?

So I have managed to control the LG TV (Simplink Enabled) with the cec-client library on the RPi 4. The problem is when I turn the TV back on, it defaults to the TV tuner input. There is no TV aerial connected and I have had a look through the LG…
tomaytotomato
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1
vote
1 answer

What defines "source" & "destination" when using cec-client to change HDMI inputs?

I've been poking around with the cec-client app to see what I can do with it when it comes to my magnavox TV. All I seem to be able to do is turn the TV on/off and change HDMI inputs. I feel like I might have a better chance of discovering what…
hepcat72
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1
vote
0 answers

CEC client Hybrid help

I hope someone can help me. I've got a pulse-eight cec adapterand my TV is my main monitor for PC. I made 5 simple stand-alone scripts linked to F8 and up to F12 on the keyboard. They turn tv on-off and HDMI switch, but I would like to expand my…
Love-to-Make
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1
vote
2 answers

CEC-Client Turns TV Off, but Not On Again

I'm using the cec-utils shell commands to turn my tv on and off via RPi. echo 'on 0' | cec-client -s -d 1 echo 'standby 0' | cec-client -s -d 1 The standby/off command works fine, but the on command doesn't seem to work. Anybody know how I could…
jeremytripp
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0
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0 answers

How to set TV Volume to 50%?

I would like to set the TV volume to 50% how do I achieve this with the cec-client command or other. I am aware of the [volup] [voldown] but that must be a dumb API comparable to walking blind-folded. Thanks for providing your insights and…
Meryan
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