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  1. #991
    Quote Originally Posted by sbp View Post
    I think your problem is the rather poor USB driver that has been a constant problem for the raspberry. It is not because of trouble with the high bit files. If you use a HiFiBerry DAC (or Digi) card, that is connected via I2S and not USB - you won't have any pops or clicks.

    But I think thre is hope in the near future - the Raspberry developer has just released a new kernel where the USB driver has been rewritten (the "NEXT" version) - it has been reported by many to solve these clicks and pops with DACs connected via USB - so let us hope that it will be solved soon.

    Did you try my suggestions on the page before (especially the dwc_otg_speed option might help)

    Steen
    The dwc_otg_speed does not solve the problem. When will the kernel with improved usb driver be incorporated into your software?

    Thanks.

  2. #992

    1.14

    Just upgrade to 1.14. I have a lot of clicks even for low bit files. Any changes in USB section with 1.14?

  3. #993
    Junior Member
    Join Date
    Jan 2014
    Posts
    6

    Realtek wifi issues under 1.14

    Quote Originally Posted by sbp View Post
    Hi, could you post the output from dmesg and lsmod?
    Steen
    Hi,
    So I did some more digging and its a Realtek 8188EU chipset. When running v1.12d I get the following useful info in dmesg and lsmod:
    Code:
    tc@piCorePlayer:~$ lsmod
    Module                  Size  Used by    Tainted: G
    snd_soc_hifiberry_dac     2091  0
    snd_soc_pcm5102a        1390  1
    bcm2708_dmaengine       5104  1
    virt_dma                2021  1 bcm2708_dmaengine
    snd_usb_audio         116218  0
    snd_usbmidi_lib        18720  1 snd_usb_audio
    snd_rawmidi            20133  1 snd_usbmidi_lib
    snd_seq_device          6034  1 snd_rawmidi
    snd_hwdep               5917  1 snd_usb_audio
    snd_bcm2835            16116  0
    r8188eu               794215  0
    snd_soc_wm8804          7692  0
    snd_soc_bcm2708_i2s     5486  2
    snd_soc_core          115066  4 snd_soc_hifiberry_dac,snd_soc_pcm5102a,snd_soc_wm8804,snd_soc_bcm2708_i2s
    snd_pcm_dmaengine       4564  1 snd_soc_core
    snd_pcm                74840  5 snd_soc_hifiberry_dac,snd_usb_audio,snd_bcm2835,snd_soc_core,snd_pcm_dmaengine
    snd_page_alloc          4680  1 snd_pcm
    snd_timer              19270  1 snd_pcm
    snd_compress            7974  1 snd_soc_core
    snd                    56397 10 snd_usb_audio,snd_usbmidi_lib,snd_rawmidi,snd_seq_device,snd_hwdep,snd_bcm2835,snd_soc_core,snd_pcm,snd_timer,snd_compress
    regmap_i2c              1522  2 snd_soc_wm8804,snd_soc_core
    regmap_spi              1778  2 snd_soc_wm8804,snd_soc_core
    regmap_mmio             2673  1 snd_soc_bcm2708_i2s
    tc@piCorePlayer:~$
    And now the useful part of dmesg
    Code:
    [    2.945447] usb 1-1.3: new high-speed USB device number 4 using dwc_otg
    [    3.046282] usb 1-1.3: New USB device found, idVendor=0bda, idProduct=8179
    [    3.046318] usb 1-1.3: New USB device strings: Mfr=1, Product=2, SerialNumber=3
    [    3.046335] usb 1-1.3: Product: 802.11n NIC
    [    3.046348] usb 1-1.3: Manufacturer: Realtek
    [    3.046361] usb 1-1.3: SerialNumber: 00E04C0001
    [    7.348792] Adding 106860k swap on /dev/zram0.  Priority:-1 extents:1 across:106860k SSFS
    [    9.779285] FAT-fs (mmcblk0p1): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
    [   10.276415] EXT4-fs (mmcblk0p2): recovery complete
    [   10.283304] EXT4-fs (mmcblk0p2): mounted filesystem with ordered data mode. Opts: (null)
    [   10.376107] EXT4-fs (mmcblk0p2): mounted filesystem with ordered data mode. Opts: (null)
    [   23.506117] bcm2708-i2s bcm2708-i2s.0: Failed to create debugfs directory
    [   23.641065] r8188eu: module is from the staging directory, the quality is unknown, you have been warned.
    [   23.916953] Chip Version Info: CHIP_8188E_Normal_Chip_TSMC_D_CUT_1T1R_RomVer(0)
    [   23.982101] usbcore: registered new interface driver r8188eu
    [   25.869092] usbcore: registered new interface driver snd-usb-audio
    [   28.461230] usbcore: deregistering interface driver snd-usb-audio
    [   28.597949] usbcore: registered new interface driver snd-usb-audio
    [   29.043187] snd-hifiberry-dac snd-hifiberry-dac.0:  pcm5102a-hifi <-> bcm2708-i2s.0 mapping ok
    [   29.596167] MAC Address = 0c:82:68:56:b2:2a
    [   31.562372] smsc95xx 1-1.1:1.0 eth0: hardware isn't capable of remote wakeup
    [   33.601108] smsc95xx 1-1.1:1.0 eth0: link up, 100Mbps, full-duplex, lpa 0xCDE1
    [  137.664935] R8188EU: ERROR assoc success
    [  255.593933] FAT-fs (mmcblk0p1): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
    [  435.525860] smsc95xx 1-1.1:1.0 eth0: link down
    tc@piCorePlayer:~$
    Looking at the Micro Core linux forums I can see its been provisionally solved, but I will try to reload the module to see if I get any mileage with it as per http://forum.tinycorelinux.net/index...html#msg100875.

    Bill.
    Last edited by bcdaus; 2014-03-21 at 06:15.

  4. #994
    Senior Member sbp's Avatar
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    Denmark
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    New version - piCorePlayer1.14a

    Hi all - please test the new version piCorePlayer1.14a

    Changes:
    • I forgot an important command to the cmdline.txt file - which could result in problems with pops and clicks for those of you that use an USB-DAC. Therefore please report back if this version has fixed your USB-DAC problems.
    • Fixed the problem for the TP-link WN725b Wifi adaptor.
    • Added support for a new I2S-DAC. So I2S-DACs based on the Sabre 9023 chip is now supported like this one http://www.audiophonics.fr/audiophon...hz-p-8396.html



    The development of I2S-DACs are really an improvement to the Raspberry. They play very good without clicks and pops up to 24bit 192Khz. So if you don't have a DAC, I think it is a good supplement for your system. I personally would go for a I2S-DAC instead of a USB-DAC, which can be more problematic to use. Some USB-DACs play really good, whereas others are difficult to use without pops and clicks. The I2S-DACs are actually quite inexpensive.

    So piCorePlayer now supports these I2S-DACs
    HiFiberry DAC: http://www.hifiberry.com/dac
    HiFiberry Digi: http://www.hifiberry.com/hbdigi
    Sabre 9023 DAC: http://www.audiophonics.fr/audiophon...hz-p-8396.html

    /Steen

    Here is a picture of the Sabre 9023 DAC connected via I2S to the P5 connector on the Raspberry (from the Audiophilics web-page).


    piCorePlayer a small player for the Raspberry Pi in RAM.
    Homepage: https://www.picoreplayer.org

    Please donate if you like piCorePlayer

  5. #995
    I have a Raspberry Pi with piCorePlayer 1.13d and the HiFiBerry DAC. Works very well, to the point that I've had to buy a second Pi for playing around with. On the second Pi I have fitted one of the Element 14 Wolfson DACs, then installed Squeezelite. This uses a patched Raspbian which has the Wolfson drivers. Setting up Squeezelite was pretty straightforward. It's a pity the same couldn't be said for unzipping the patched Raspbian!

    I've been having some issues with a RALINK USB wifi stick with Raspbian (I couldn't get it to work at all with piCorePlayer and bought an Edimax) - seems more stable with the patched Raspbian set up for the Wolfson card.

    Robert
    Last edited by Grumpy Bob; 2014-03-23 at 22:14. Reason: correction/deletion
    Home: Raspberry Pi 4/pCP7.0/LMS8.1.2/Material with files on QNAP TS-251A
    Touch > DacMagic 100 > Naim Audio Nait 3 > Mission 752 (plus Rega Planar 3 > Rega Fono Mini; Naim CD3)
    2 x Squeezebox Radios, 1 X Squeezebox 3 (retired), 1 x SqueezeAMP
    Office: LMS8.0.0 running on Raspberry Pi3; Raspberry Pi 3 player with touchscreen/piCorePlayer/IQaudIO DAC and Amp
    Portable: Raspberry Pi 3B/pCP7.0.1/LMS8.1.2/Material, files on Seagate portable drive, powered via power brick

  6. #996

    1.14a

    There is still pops for my usb dac for high bitrate files. No more pops for low bitrate files. It s a shame as I think the sound of picoreplayer is better than Touch + EDO.

  7. #997
    Junior Member
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    Feb 2013
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    12
    I noticed a bug (?) in the webinterface of 1.14a:

    When I choose USB-DAC and submit sysdefault:card=CODEC for the output via webinterface I get a blank page and cannot reach the settings site after that.

    On the command line I get a "unexpected line end" when trying to start squeezelite and via editor I see a double "" on the ooutput line's end in config.cfg.

    I CAN set the right output string via command line application just fine.

    System is up and running, thanks!

  8. #998
    Senior Member sbp's Avatar
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    Quote Originally Posted by nighty2k7 View Post
    I noticed a bug (?) in the webinterface of 1.14a:

    When I choose USB-DAC and submit sysdefault:card=CODEC for the output via webinterface I get a blank page and cannot reach the settings site after that.

    On the command line I get a "unexpected line end" when trying to start squeezelite and via editor I see a double "" on the ooutput line's end in config.cfg.

    I CAN set the right output string via command line application just fine.

    System is up and running, thanks!
    Thanks, I found the bug.
    piCorePlayer was confused as one internal variable was defined as CODEC, so when you provided card=CODEC - it got into trouble and couldn't handle it. Now I have redefined the internal name to _CODEC, and everything is fine again.
    The fix will be present in piCorePlayer1.14b

    Steen
    piCorePlayer a small player for the Raspberry Pi in RAM.
    Homepage: https://www.picoreplayer.org

    Please donate if you like piCorePlayer

  9. #999
    Senior Member sbp's Avatar
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    New version - piCorePlayer1.14b

    This is a bug fix version - and a new option. piCorePlayer1.14b

    For those rare occasions where your selected ALSA device contained the name =CODEC, then the old 1.14a piCorePlayer would crash - this is fixed now in the new version.

    New option.
    It has been suggested that I allowed for a config file in the FAT partition - this is now possible.
    If you make a file: newconfig.cfg containing your configuration; like wifi SSID, password ALSA settins etc, then piCorePlayer will copy this content to its own config.cfg file and then delete the newconfig.cfg.

    This means that you will be able to burn the piCorePlayer image, copy your newconfig.cfg file to the FAT partition and then when piCorePlayer boots the first time - this will be used as the configuration file.

    If you already have a fine working piCorePLayer, you can use the webGUI at the "Main" page to save the working config.cfg file to an attached USB stick - it will be named newconfig.cfg and this file you can use.

    Steen
    piCorePlayer a small player for the Raspberry Pi in RAM.
    Homepage: https://www.picoreplayer.org

    Please donate if you like piCorePlayer

  10. #1000
    Senior Member
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    South Coast, NSW, Australia
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    piCorePlayer1.14b - WIFI scanning failed.

    Steen,
    1.14b WIFI scanning failed.
    Tried clicking "Submit will save and connect" - comes back with network is down, also inserts a "\" -

    Found wifi device wlan0 Standby for scan of available networks... Set to try a few times to obtain a lease. Attempting auto connection with Steens\ 2.4GHz ................... udhcpc (v1.22.1) started Sending discover... Read error: Network is down, reopening socket Sending discover... Read error: Network is down, reopening socket Sending discover... Read error: Network is down, reopening socket No lease, failing

    Found wifi device wlan0 Standby for scan of available networks... Set to try a few times to obtain a lease. Attempting auto connection with Spotty\ Dogs ................... udhcpc (v1.22.1) started Sending discover... Read error: Network is down, reopening socket Sending discover... Read error: Network is down, reopening socket Sending discover... Read error: Network is down, reopening socket No lease, failing

    1.14 works (didn't try 1.14a).
    Backing up files to /mnt/mmcblk0p2/tce/mydata.tgz/
    Found wifi device wlan0 Standby for scan of available networks... Set to try a few times to obtain a lease. Attempting auto connection with Spotty\ Dogs .... udhcpc (v1.22.1) started Sending discover... Sending discover... Sending select for 192.168.2.17... Sending select for 192.168.2.17... Lease of 192.168.2.17 obtained, lease time 259200 deleting routers adding dns 192.168.2.1

    Will wait for 1.15 with the new Squeezelite 1.6.
    Last edited by Wirrunna; 2014-03-24 at 17:08. Reason: Added connection with 1.14
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