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  1. #11
    Senior Member
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    Jan 2011
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    Staffordshire. UK
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    Ah you have me at a disadvantage, I did not read the post properly, I was thinking this,

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    I did not realise your were referring to a touch screen on the pi.

    If you have an Android device you can use this app

    https://play.google.com/store/apps/d...utton&hl=en_GB

    for the restart of LMS.
    Code:
    sudo service logitechmediaserver restart
    I'm sure there must be similar Apps in the IOS world

    Which dac are you using?
    Last edited by Man in a van; 2017-12-25 at 03:21.

  2. #12
    Senior Member
    Join Date
    Sep 2005
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    2,436
    Quote Originally Posted by Man in a van View Post
    I'm thinking "network" and "power Supply" here
    Quote Originally Posted by steff View Post
    The DAC is self powered with its power supplier
    Quote Originally Posted by steff View Post
    How to restart LMS and Squeezelite from the pCP touch screen?
    hmmm

    1 powersupply for the rpi
    1 powersupply for the dac
    1 powersupply for the touchscreen?

    btw: are you sure your using the external wlan dongle not the onboard one?

  3. #13
    Quote Originally Posted by DJanGo View Post
    hmmm

    1 powersupply for the rpi
    1 powersupply for the dac
    1 powersupply for the touchscreen?

    btw: are you sure your using the external wlan dongle not the onboard one?
    no.
    1x powersupply for the Rpi3 (it powers the LCD as well, it is the original LCD)
    The DAC is self powered.... it ha its own power supplier... it is buit in into che DAC chassis, 1 power supply for each channel.

    Of course the embedded WiFI is dsabled and I use the Edimax external one. With the internal WiFi, no way to stream 384 kHz 24 bit PCM over the network.

  4. #14
    Quote Originally Posted by Man in a van View Post
    Ah you have me at a disadvantage, I did not read the post properly, I was thinking this,


    https://play.google.com/store/apps/d...utton&hl=en_GB

    for the restart of LMS.
    Code:
    sudo service logitechmediaserver restart
    Which dac are you using?
    I see, I know this tool... but it is annoying to search for other tools.

    How to restart from the pCP itself without having other HW?

    The DAC is a Teac 503: if the DAC does not receive signals from USB, after some time it goes to standby and the pCP stopd playing.... must reboot it.

    Stupid problem, but very very frustrating.

  5. #15
    Quote Originally Posted by epoch1970 View Post
    . The LMS plugin PowerSaver will power off an idle pCP player after 15 mins if you prefer.
    - Experiment with option -C which releases the audio device when simply idle for a while.

    HTH
    no way, sorry.
    it does not work.

    I really can not understand. Sorry.

    If I switch on the pCP before the DAC, then there is NO way to get the pCP play: with DAC powered off, SqueezeLite does not start.
    I need to switch the DAC, be sure it has completed the boot, then I can boot the pCP.

    If the pCP and the DAC loose the USB connection (DAC in standby or switch input on the DAC then back to USB) then there is NO way to resume until I reboot the pCP.
    Even if the DAC is set to USB and says USB READY, then it does not help to restart SL, because after restarting the SL then the DAC displays USB UNCONNECTED
    Last edited by steff; 2017-12-25 at 16:48.

  6. #16
    Senior Member
    Join Date
    Jan 2011
    Location
    Staffordshire. UK
    Posts
    2,147
    Hi Steff

    This morning I set up my North Star Essensio dac running USB from a rpi2b and an optical SPDIF from a Satellite TV/Radio receiver.

    Squeezelite set to start automatically.

    Switching between either input without any playback problems.

    Switched the dac off completely, the pi off completely.

    Switched the pi back on, Squeezelite running.

    Switched the dac on, USB connection lit up, pressed play on the LMS web GUI, got music.

    So I think from this experiment I draw the conclusion that the pCP/dac interface is solid.

    I would suggest your problem lies in

    a) the WiFi connection (if the Ethernet is the same, this can be disregarded).

    b) the power supply to the pi is insufficient (I think DJanGo is suggesting you need to power the screen separately from the pi).

    c) the USB connection on the dac is a bit flaky on Linux (test the dac on Windows or Mac OS).

    The North Star requires to draw power from the pi to function (it's just a handshake; if I isolate the USB power line, then Squeezelite does not start).

    I can't think of anything else, sorry.

    Ronnie

  7. #17
    Quote Originally Posted by Man in a van View Post
    Hi Steff

    This morning I set up my North Star Essensio dac running USB from a rpi2b and an optical SPDIF from a Satellite TV/Radio receiver.

    Squeezelite set to start automatically.

    Switching between either input without any playback problems.

    Switched the dac off completely, the pi off completely.

    Switched the pi back on, Squeezelite running.

    Switched the dac on, USB connection lit up, pressed play on the LMS web GUI, got music.

    So I think from this experiment I draw the conclusion that the pCP/dac interface is solid.

    I would suggest your problem lies in

    a) the WiFi connection (if the Ethernet is the same, this can be disregarded).

    b) the power supply to the pi is insufficient (I think DJanGo is suggesting you need to power the screen separately from the pi).

    c) the USB connection on the dac is a bit flaky on Linux (test the dac on Windows or Mac OS).

    The North Star requires to draw power from the pi to function (it's just a handshake; if I isolate the USB power line, then Squeezelite does not start).

    I can't think of anything else, sorry.

    Ronnie
    I can say that not alla the DACs are the vary same.
    My Teac seems to disconnect the USB whenever it goes into standby or the input is switched to another.

    Question: what should happen if a USB DAC is unplugged while playing?
    I have two USB DAC and in both cases, if I unplug the DAC, the pCP of course stops, but if I plug again the DAC, then the pCP will never restart until I reboot the pCP completely. Sometimes it is enough to restart just SqueezeLite, but not always... random behaviour.

    Of curse with Windows... no problems.

    It is not a matter of Power... believe me... I have a FLuke digital sampling multimeter and my 2.5 A power supply never drops voltage below 5 V even during boot process.
    I connected the Rpi3 and the LCD touch to two different power supplier and the problems is still there.
    Embedded WiFi, external 5 Ghz Edimax or wired Ethernet... no changes.

    Thanks for your feedback

  8. #18
    For everyone

    so at the end of the story seems that my DAC disconnect the USB whenever the input is switched to another source or it goes into standby.
    It is annoying, but knowing the problem it can be avoided.

    The problems of radios not avaialble is a nightmare and there is NO way to solve it or avoid it.
    Let me say that restarting the LMS always solve, but,.... there is the need to use a PC or a smartphone.
    On the pCP LCD there is no way to restart the LMS.

    The suggestion I got is to write a command to automatically restart the LMS after a while once booted.

    Is there someome that can help me to do this?

    When the radios are available, if I save a station to my favourites, then after a reboot, even if radios are no avaialble, I can play the saved radio

    where is the control that prevent the radio button to be displayed ?
    Last edited by steff; 2017-12-26 at 16:48.

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