From: Eric Fort <[email protected]> Reply-To: <[email protected]> Date: Tuesday, May 20, 2014 at 12:27 AM To: beagleboard <[email protected]> Subject: Re: [beagleboard] help getting audio cape rev b1 working
> ok, > > seems the issue was one related to software and expectations.... and maybe a > messed up debian install. when I entered the command 'speaker-test -c2 -f600 > I expected a 600hz tone... I got white noise - but paying close attention to > the text output, it said it was playing noise. starting with a freshly imaged > card and following the instructions from there seems to have it working with > the files linked from the instructions. Note to the designers of this cape - > adding a stereo audio amp to drive headphones to a bit higher level would be > extremely welcome. Use amixer to increase the volume. Regards, John > > > Eric > > > On Mon, May 19, 2014 at 11:21 PM, Eric Fort <[email protected]> wrote: >> John, >> >> here's what happens when I use your .dts file: >> >> root@beaglebone:~# export SLOTS=/sys/devices/bone_capemgr.*/slots >> root@beaglebone:~# echo BB-BONE-AUDI-02 > $SLOTS >> -bash: echo: write error: Invalid argument >> >> and when I use the one linked to in the instructions >> (http://elinux.org/images/1/10/BB-BONE-AUDI-02-00A0.zip) - yes I extracted >> the file from the zip archive first...): >> >> root@beaglebone:~# export SLOTS=/sys/devices/bone_capemgr.*/slots >> root@beaglebone:~# echo BB-BONE-AUDI-02 > $SLOTS >> >> (no errors) >> >> Thanks, >> >> Eric >> >> >> >> >> On Mon, May 19, 2014 at 7:09 PM, John Syn <[email protected]> wrote: >>> >>> From: Eric Fort <[email protected]> >>> Reply-To: <[email protected]> >>> Date: Monday, May 19, 2014 at 6:56 PM >>> To: beagleboard <[email protected]> >>> Subject: [beagleboard] help getting audio cape rev b1 working >>> >>>> I have followed the instructions found at >>>> http://elinux.org/CircuitCo:Audio_Cape_RevB#Audio_Cape_Revision_B1 and I'm >>>> just getting static when I try speaker-test -f 600 or aplay filename.wav. >>>> the wav file plays fine on my windows laptop and aplay identifies it >>>> properly but just static for audio. what may I have missed? >>> Try the attached DTO. I generated this myself before Circuitco published >>> theirs. When Circuitco published their DTO I described what I thought were >>> problems but no one responded. >>> >>> Regards, >>> John >>>> >>>> >>>> here's dmesg: >>>> >>>> root@beaglebone:~# dmesg|tail >>>> [ 1088.018924] bone-capemgr bone_capemgr.8: slot #4: Requesting firmware >>>> 'BB-BONE-AUDI-02-00A0.dtbo' for board-name 'Override Board Name', version >>>> '00A0' >>>> [ 1088.028213] bone-capemgr bone_capemgr.8: slot #4: dtbo >>>> 'BB-BONE-AUDI-02-00A0.dtbo' loaded; converting to live tree >>>> [ 1088.029031] bone-capemgr bone_capemgr.8: slot #4: #4 overlays >>>> [ 1088.059524] of_get_named_gpio_flags: can't parse gpios property >>>> [ 1088.071612] 1-0018 supply IOVDD not found, using dummy regulator >>>> [ 1088.071867] 1-0018 supply DVDD not found, using dummy regulator >>>> [ 1088.072049] 1-0018 supply AVDD not found, using dummy regulator >>>> [ 1088.072277] 1-0018 supply DRVDD not found, using dummy regulator >>>> [ 1088.098289] davinci_evm sound.10: tlv320aic3x-hifi <-> 48038000.mcasp >>>> mapping ok >>>> [ 1088.134015] bone-capemgr bone_capemgr.8: slot #4: Applied #4 overlays. >>>> >>>> and a listing of slots showing the card: >>>> >>>> root@beaglebone:~# cat /sys/devices/bone_capemgr.*/slots >>>> 0: 54:PF--- >>>> 1: 55:PF--- >>>> 2: 56:PF--- >>>> 3: 57:PF--- >>>> 4: ff:P-O-L Override Board Name,00A0,Override Manuf,BB-BONE-AUDI-02 >>>> >>>> >>>> Thanks, >>>> >>>> Eric >>>> >>>> -- >>>> For more options, visit http://beagleboard.org/discuss >>>> --- >>>> You received this message because you are subscribed to the Google Groups >>>> "BeagleBoard" group. >>>> To unsubscribe from this group and stop receiving emails from it, send an >>>> email to [email protected]. >>>> For more options, visit https://groups.google.com/d/optout. >>> >>> -- >>> For more options, visit http://beagleboard.org/discuss >>> --- >>> You received this message because you are subscribed to the Google Groups >>> "BeagleBoard" group. >>> To unsubscribe from this group and stop receiving emails from it, send an >>> email to [email protected]. >>> For more options, visit https://groups.google.com/d/optout. >> > > > -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to the Google Groups > "BeagleBoard" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/d/optout. -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
