[AudioI] read error
Matt Flax
matt at audioinjector.net
Wed Jul 13 21:21:16 UTC 2022
Hi Mark,
I think the I2S lines may need visualisation. Lets take this up off list.
Matt
On 14/7/22 00:59, mark wrote:
> Update: still not working. Ron has been helping me off-list. I
> looked at the solder-joints on the 40-pin header and fixed a couple,
> but that did not fix the problem. Ron suggested I check to make sure
> that nothing fell off the board when I was soldering it.
> https://imgur.com/VvUl00v https://imgur.com/1yG0QAJ
> I have some experience with the GPIO and Python and C, as well as i2s
> memes mics, and was wondering what pins the board uses and for what.
>
> On Tue, Jul 12, 2022 at 8:52 PM mark <mvlambiase at gmail.com> wrote:
>
> I checked the 40-pin header, and was excited to see a bad solder
> joint at pin 5, and I fixed a few, but all the joints look pretty
> OK under a magnifying glass, and nothing has changed.
>
> On Tue, Jul 12, 2022 at 8:32 PM mark <mvlambiase at gmail.com> wrote:
>
> So, this is all on Buster now, but looks just the same.
> The second sample did not error out, but delivered what seems
> like a not-empty but messed up file. (It does not seem to play)
>
>
> pi at soundbpi:~/Desktop $ arecord -l
> **** List of CAPTURE Hardware Devices ****
> card 0: audioinjectorul [audioinjector-ultra], device 0:
> bcm2835-i2s-cs4265-dai1 cs4265-dai1-0 [bcm2835-i2s-cs4265-dai1
> cs4265-dai1-0]
> Subdevices: 1/1
> Subdevice #0: subdevice #0
> pi at soundbpi:~/Desktop $ arecord -f S16_LE -r 48000 -c 2 -d 3
> -D plughw:0 test1.wav
> Recording WAVE 'test1.wav' : Signed 16 bit Little Endian, Rate
> 48000 Hz, Stereo
> arecord: pcm_read:2145: read error: Input/output error
> pi at soundbpi:~/Desktop $ arecord -f S32_LE -r 48000 -c 2 -d 3
> test.wav
> Recording WAVE 'test.wav' : Signed 32 bit Little Endian, Rate
> 48000 Hz, Stereo
> pi at soundbpi:~/Desktop $ ll
> total 1340
> -rwxr-xr-x 1 pi pi 132344 Jul 12 14:20 CantinaBand3.wav
> -rw-r--r-- 1 pi pi 75044 Jul 12 14:45 file.wav
> -rw-r--r-- 1 pi pi 44 Jul 12 15:25 test1.wav
> -rw-r--r-- 1 pi pi 1152044 Jul 12 15:26 test.wav
>
>
>
> On Tue, Jul 12, 2022 at 8:10 PM mark <mvlambiase at gmail.com> wrote:
>
> Thanks. My skills are, well, uh, yeah. Let me check those
> solder joints.
> No scope; no joy there. I was worried this might be a
> construction issue, but I have few tools/skills to check
> my work.
>
> Thank you.
>
> On Tue, Jul 12, 2022 at 8:03 PM Matt Flax
> <matt at audioinjector.net> wrote:
>
> OK, I2C is working, the CPU can communicate with he
> audio codec IC. That
> means that the CPU can setup the registers.
>
> When it takes many seconds for the system to fail (on
> aplay or arecord)
> with something like :
>
> arecord: pcm_read:2152: read error: Input/output error
>
> It means that the I2S bus has failed to clock. In this
> case you will
> want to interrogate the 40 pin header on the card,
> make sure it is
> cleanly soldered. Also if you have a cro handy,
> connect to the I2S bus
> lines and look for clocking and data. If you have any
> issues with this,
> look for dropped solder, dry solder joints or anything
> which would
> disrupt the signals.
>
> When you see errors like this :
>
> arecord: set_params:1407: Unable to install hw params:
>
> It means that ALSA couldn't run the *_hwparam_*
> functions in the driver.
> In this case the card can't do 44100 Hz sample rates,
> try to use plughw:
> instread of hw:
>
>
> Matt
>
>
> On 13/7/22 05:01, mark wrote:
> > I noticed some weirdness and decided to start with a
> fresh Bullseye
> > image.
> > After a full-upgrade I made the changes mentioned on
> the git page. The
> > devices show up when listed, but I cannot get the
> speakers or
> > microphones (on-board) to work. It seems like the
> device is seen but
> > not really set up.
> >
> > Thanks in advance for any help you can provide.
> >
> > aplay and arecord see the device:
> >
> > pi at soundpi:~ $ arecord -l
> >
> > **** List of CAPTURE Hardware Devices ****
> > card 0: audioinjectorul [audioinjector-ultra],
> device 0:
> > bcm2835-i2s-cs4265-dai1 cs4265-dai1-0
> [bcm2835-i2s-cs4265-dai1
> > cs4265-dai1-0]
> > Subdevices: 1/1
> > Subdevice #0: subdevice #0
> > pi at soundpi:~ $ aplay -l
> > **** List of PLAYBACK Hardware Devices ****
> >
> > card 0: audioinjectorul [audioinjector-ultra],
> device 0:
> > bcm2835-i2s-cs4265-dai1 cs4265-dai1-0
> [bcm2835-i2s-cs4265-dai1
> > cs4265-dai1-0]
> > Subdevices: 1/1
> > Subdevice #0: subdevice #0
> > card 1: vc4hdmi0 [vc4-hdmi-0], device 0: MAI PCM
> i2s-hifi-0 [MAI PCM
> > i2s-hifi-0]
> >
> > Subdevices: 1/1
> > Subdevice #0: subdevice #0
> > card 2: vc4hdmi1 [vc4-hdmi-1], device 0: MAI PCM
> i2s-hifi-0 [MAI PCM
> > i2s-hifi-0]
> >
> > Subdevices: 1/1
> > Subdevice #0: subdevice #0
> >
> >
> > But even though I can see them, I don't seem to know
> how to use them.
> > I get an error trying to play on card 0 that gives
> an interesting
> > error that may point to a config or software issue:
> >
> > pi at soundpi:~/Desktop/recordings $ aplay -D
> plughw:0,0 CantinaBand3.wav
> > Playing WAVE 'CantinaBand3.wav' : Signed 16 bit
> Little Endian, Rate
> > 22050 Hz, Mono
> > aplay: set_params:1407: Unable to install hw params:
> >
> > ACCESS: RW_INTERLEAVED
> > FORMAT: S16_LE
> > SUBFORMAT: STD
> > SAMPLE_BITS: 16
> > FRAME_BITS: 16
> > CHANNELS: 1
> > RATE: 22050
> > PERIOD_TIME: (125011 125012)
> > PERIOD_SIZE: (2756 2757)
> > PERIOD_BYTES: (5512 5514)
> > PERIODS: (3 5)
> > BUFFER_TIME: (500045 500046)
> > BUFFER_SIZE: 11026
> > BUFFER_BYTES: 22052
> > TICK_TIME: 0
> > pi at soundpi:~/Desktop/recordings $
> >
> >
> >
> >
> >
> > On Tue, Jul 12, 2022 at 7:08 AM mark
> <mvlambiase at gmail.com> wrote:
> >
> > It took a while (10s?) before.
> > Now I get this immediately:
> >
> > evices: 1/1
> > Subdevice #0: subdevice #0
> > pi at cam-09:~ $ arecord -f cd -d 10
> --device="hw:2,0" /tmp/test-mic.wav
> > Recording WAVE '/tmp/test-mic.wav' : Signed 16
> bit Little Endian,
> > Rate 44100 Hz, Stereo
> > arecord: set_params:1407: Unable to install hw
> params:
> > ACCESS: RW_INTERLEAVED
> > FORMAT: S16_LE
> > SUBFORMAT: STD
> > SAMPLE_BITS: 16
> > FRAME_BITS: 32
> > CHANNELS: 2
> > RATE: 44100
> > PERIOD_TIME: (125011 125012)
> > PERIOD_SIZE: 5513
> > PERIOD_BYTES: 22052
> > PERIODS: 4
> > BUFFER_TIME: (500045 500046)
> > BUFFER_SIZE: 22052
> > BUFFER_BYTES: 88208
> > TICK_TIME: 0
> >
> > This most recent one (after a reboot that
> changed the card $)
> > laste the full 30 seconds and showed the mixer
> EQ at the bottom.
> > That was pegged at 99% the whole time.
> > I need to move the file to see if I can hear
> anything but it looks
> > like it died the same way.
> >
> > pi at cam-09:~ $ arecord --device="hw:2,0" -c2 -r
> 48000 -f S32_LE -t
> > wav -V stereo -d 30 -v file_stereo.wav
> > Recording WAVE 'file_stereo.wav' : Signed 32 bit
> Little Endian,
> > Rate 48000 Hz, Stereo
> > Hardware PCM card 2 'audioinjector-ultra' device
> 0 subdevice 0
> > Its setup is:
> > stream : CAPTURE
> > access : RW_INTERLEAVED
> > format : S32_LE
> > subformat : STD
> > channels : 2
> > rate : 48000
> > exact rate : 48000 (48000/1)
> > msbits : 32
> > buffer_size : 24000
> > period_size : 6000
> > period_time : 125000
> > tstamp_mode : NONE
> > tstamp_type : MONOTONIC
> > period_step : 1
> > avail_min : 6000
> > period_event : 0
> > start_threshold : 1
> > stop_threshold : 24000
> > silence_threshold: 0
> > silence_size : 0
> > boundary : 1572864000
> > appl_ptr : 0
> > hw_ptr : 0
> > +#################################
> > 99%|99%##################################+ arecord:
> pcm_read:2152:
> > read error: Input/output error
> >
> >
> >
> > On Tue, Jul 12, 2022 at 1:56 AM Matt Flax
> <matt at audioinjector.net>
> > wrote:
> >
> > It looks like it should work.
> >
> > The fact that ALSA/Linux finds the card and
> sets it up means
> > that you
> > have got I2C working.
> >
> > Perhaps there is a clocking I2S bus issue ?
> How long does it
> > take before
> > it reports the error ?
> >
> > Matt
> >
> > On 12/7/22 15:34, mark via People wrote:
> > > Excited to add audio to my Pi, and just
> finished assembling
> > the boards.
> > > I see the device listed with arecord -l.
> > > But, when I go to capture there is a read
> error. Any
> > suggestions on
> > > how to troubleshoot appreciated.
> > >
> > > pi at cam-09:~ $ sudo arecord -l
> > > **** List of CAPTURE Hardware Devices ****
> > > card 0: audioinjectorul
> [audioinjector-ultra], device 0:
> > > bcm2835-i2s-cs4265-dai1 cs4265-dai1-0
> [bcm2835-i2s-cs4265-dai1
> > > cs4265-dai1-0]
> > > Subdevices: 1/1
> > > Subdevice #0: subdevice #0
> > > pi at cam-09:~ $ arecord --device="hw:0,0"
> -c2 -r 48000 -f
> > S32_LE -t wav
> > > -V stereo -d 30 -v file_stereo.wav
> > > Recording WAVE 'file_stereo.wav' : Signed
> 32 bit Little
> > Endian, Rate
> > > 48000 Hz, Stereo
> > > Hardware PCM card 0 'audioinjector-ultra'
> device 0 subdevice 0
> > > Its setup is:
> > > stream : CAPTURE
> > > access : RW_INTERLEAVED
> > > format : S32_LE
> > > subformat : STD
> > > channels : 2
> > > rate : 48000
> > > exact rate : 48000 (48000/1)
> > > msbits : 32
> > > buffer_size : 24000
> > > period_size : 6000
> > > period_time : 125000
> > > tstamp_mode : NONE
> > > tstamp_type : MONOTONIC
> > > period_step : 1
> > > avail_min : 6000
> > > period_event : 0
> > > start_threshold : 1
> > > stop_threshold : 24000
> > > silence_threshold: 0
> > > silence_size : 0
> > > boundary : 1572864000
> > > appl_ptr : 0
> > > hw_ptr : 0
> > > arecord: pcm_read:2152: read error:
> Input/output error
> > > pi at cam-09:~ $
> > >
> > >
> > >
> > --
> > Checkout the community email list :
> > https://lists.audioinjector.net/mailman/listinfo/people
> >
> >
> --
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>
>
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