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I have performed everything that is mentioned but still I am not able to import pixel_ring . I am sharing the error below

pi@raspberrypi:~/pixel_ring $ sudo python examples/respeaker_4mic_array.py
Traceback (most recent call last):
File "examples/respeaker_4mic_array.py", line 9, in
from pixel_ring import pixel_ring
ImportError: No module named pixel_ring

i download it it occurs
"ERROR: Command errored out with exit status 1:"and "ERROR: Failed building wheel for spidev"
i can't find the .whl file
where's mistake?

LEDs do not light up
but if you run the script

import gpiozero # The GPIO library for Raspberry Pi
import time # Enables Python to manage timing

led = gpiozero.LED(11) # Reference GPIO17

while True:
   led.on() # Turn the LED on
   time.sleep(1)
   led.off() # Turn the LED off
   time.sleep(1) # Pause for 1 second

randomly light up red 3-4 diodes

microphones work fine

Hello!

I have this error message when I try to run "respeaker_v2_pixel_ring.py" on my Respeaker Core V2. My mraa libs are updated and all is properly installed..

respeaker@v2:~/pixel_ring/examples$ python respeaker_v2_pixel_ring.py
Traceback (most recent call last):
File "respeaker_v2_pixel_ring.py", line 15, in
en = mraa.Gpio(12)
File "/usr/lib/python2.7/dist-packages/mraa.py", line 755, in init
this = _mraa.new_Gpio(pin, owner, raw)
ValueError: Invalid GPIO pin specified

If someone has an idea to fix this problem it will be great! Thank you

so i can`t use it with google assistant
any suggestions?

I followed the sets of commands given in following article
http://wiki.seeed.cc/ReSpeaker_4_Mic_Array_for_Raspberry_Pi/

But after being done with the commands. No Status code 204 is received after running
"python ns_kws_doa_alexa_with_light.py"

Please help me to find the issue.

Following is the log file.........

ALSA lib pcm.c:2495:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.front
ALSA lib pcm.c:2495:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.rear
ALSA lib pcm.c:2495:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.center_lfe
ALSA lib pcm.c:2495:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.side
ALSA lib pcm.c:2495:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.surround21
ALSA lib pcm.c:2495:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.surround21
ALSA lib pcm.c:2495:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.surround40
ALSA lib pcm.c:2495:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.surround41
ALSA lib pcm.c:2495:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.surround50
ALSA lib pcm.c:2495:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.surround51
ALSA lib pcm.c:2495:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.surround71
ALSA lib pcm.c:2495:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.iec958
ALSA lib pcm.c:2495:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.iec958
ALSA lib pcm.c:2495:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.iec958
ALSA lib pcm.c:2495:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.hdmi
ALSA lib pcm.c:2495:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.hdmi
ALSA lib pcm.c:2495:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.modem
ALSA lib pcm.c:2495:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.modem
ALSA lib pcm.c:2495:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.phoneline
ALSA lib pcm.c:2495:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.phoneline
ALSA lib confmisc.c:1281:(snd_func_refer) Unable to find definition 'defaults.bluealsa.device'
ALSA lib conf.c:4528:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory
ALSA lib conf.c:4996:(snd_config_expand) Args evaluate error: No such file or directory
ALSA lib pcm.c:2495:(snd_pcm_open_noupdate) Unknown PCM bluealsa
ALSA lib confmisc.c:1281:(snd_func_refer) Unable to find definition 'defaults.bluealsa.device'
ALSA lib conf.c:4528:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory
ALSA lib conf.c:4996:(snd_config_expand) Args evaluate error: No such file or directory
ALSA lib pcm.c:2495:(snd_pcm_open_noupdate) Unknown PCM bluealsa
ALSA lib pcm_dmix.c:990:(snd_pcm_dmix_open) The dmix plugin supports only playback stream
ALSA lib pcm_dmix.c:990:(snd_pcm_dmix_open) The dmix plugin supports only playback stream
ALSA lib pcm_ac108.c:469:(_snd_pcm_ac108_open) a108 is only for capture
connect(2) call to /tmp/jack-1000/default/jack_0 failed (err=No such file or directory)
attempt to connect to server failed
INFO:/home/pi/env/local/lib/python2.7/site-packages/voice_engine-0.0.3-py2.7.egg/voice_engine/source.pyc:0:bcm2835 ALSA: - (hw:0,0) with 0 input channels
INFO:/home/pi/env/local/lib/python2.7/site-packages/voice_engine-0.0.3-py2.7.egg/voice_engine/source.pyc:1:bcm2835 ALSA: IEC958/HDMI (hw:0,1) with 0 input channels
INFO:/home/pi/env/local/lib/python2.7/site-packages/voice_engine-0.0.3-py2.7.egg/voice_engine/source.pyc:2:seeed-4mic-voicecard: - (hw:1,0) with 2 input channels
INFO:/home/pi/env/local/lib/python2.7/site-packages/voice_engine-0.0.3-py2.7.egg/voice_engine/source.pyc:3:sysdefault with 0 input channels
INFO:/home/pi/env/local/lib/python2.7/site-packages/voice_engine-0.0.3-py2.7.egg/voice_engine/source.pyc:4:playback with 0 input channels
INFO:/home/pi/env/local/lib/python2.7/site-packages/voice_engine-0.0.3-py2.7.egg/voice_engine/source.pyc:5:dmixed with 0 input channels
INFO:/home/pi/env/local/lib/python2.7/site-packages/voice_engine-0.0.3-py2.7.egg/voice_engine/source.pyc:6:ac108 with 4 input channels
INFO:/home/pi/env/local/lib/python2.7/site-packages/voice_engine-0.0.3-py2.7.egg/voice_engine/source.pyc:Use ac108
INFO:avs.alexa:Refreshing access_token
DEBUG:urllib3.connectionpool:Starting new HTTPS connection (1): api.amazon.com
DEBUG:urllib3.connectionpool:https://api.amazon.com:443 "POST /auth/o2/token HTTP/1.1" 200 977
DEBUG:avs.alexa:{
"product_id": "ReSpeaker",
"access_token": "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx",
"refresh_url": "https://api.amazon.com/auth/o2/token",
"expiry": "Thu Dec 07 12:49:45 2017",
"api": "v20160207",
"client_id": "amzn1.application-oa2-client.xxxxxxxxxxxxxxxxxxxxxxxxxx",
"host_url": "avs-alexa-na.amazon.com",
"client_secret": "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx",
"refresh_token": "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
}
DEBUG:hyper.http20.connection:Selected NPN protocol: h2
DEBUG:hyper.http20.connection:recv for stream 0 with set([]) already present
INFO:hyper.http20.connection:Received unhandled event <RemoteSettingsChanged changed_settings:{ChangedSetting(setting=SettingCodes.MAX_CONCURRENT_STREAMS, original_value=None, new_value=100), ChangedSetting(setting=SettingCodes.INITIAL_WINDOW_SIZE, original_value=65535, new_value=2147483647), ChangedSetting(setting=SettingCodes.max_header_list_size, original_value=None, new_value=40960)}>
INFO:hyper.http20.connection:Received unhandled event <WindowUpdated stream_id:0, delta:2147418112>
DEBUG:hpack.hpack:HPACK encoding <generator object inner at 0x73e4ac88>
DEBUG:hpack.hpack:Adding (':method', 'GET') to the header table
ALSA lib pcm.c:8306:(snd_pcm_recover) overrun occurred
DEBUG:hpack.hpack:Encoding 2 with 7 bits
DEBUG:hpack.hpack:Adding (':scheme', 'https') to the header table
DEBUG:hpack.hpack:Encoding 7 with 7 bits
DEBUG:hpack.hpack:Adding (':authority', 'avs-alexa-na.amazon.com') to the header table
DEBUG:hpack.hpack:Encoding 1 with 6 bits
DEBUG:hpack.hpack:Encoding 17 with 7 bits
DEBUG:hpack.hpack:Adding (':path', '/v20160207/directives') to the header table
DEBUG:hpack.hpack:Encoding 4 with 6 bits
DEBUG:hpack.hpack:Encoding 15 with 7 bits
DEBUG:hpack.hpack:Adding ('authorization', 'Bearer xxxxxxxxxxxxxxxxxxxxxxxxxxx
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx') to the header table
DEBUG:hpack.hpack:Encoding 23 with 4 bits
DEBUG:hpack.hpack:Encoding 474 with 7 bits
DEBUG:hpack.hpack:Encoded header block to ��A��t,:
�kT5�H����z�D��� :Ć��I�������Q�[��>��2x�w&Z��RpŲ�d����gl2{�����(���{6���Vtلz����U������ii̋%�I�ʍ���q��{/���إg6�l����~���1�k�����������͎Д�?W������&�ut{�5�
�O��n��o�f�sg)|���g纟ވl�;4���tMژ�F�y��E�s�ڰ����˶O�:ͨ�|���^�mr^"�
Y����lכVP6���ǫ$��-��p�O#~�߽�������[����zeoe����������ѥ�)ܣ�����+����W�o��ڒ���vJ{���}E�??�1X�+vF�<�,�ͺb� �;gf��ӣV����;�;����g��çk �)EӮH�����O>|;��T��E�0mK;,)�{A�U���߿Q�FyÛoK�۵���;��e����P�WNhݮ�f DEBUG:hyper.http20.connection:recv for stream 1 with set([]) already present INFO:hyper.http20.connection:Received unhandled event <SettingsAcknowledged changed_settings:{ChangedSetting(setting=SettingCodes.ENABLE_PUSH, original_value=1, new_value=0)}> INFO:hyper.http20.connection:Received unhandled event <SettingsAcknowledged changed_settings:{}> DEBUG:hyper.http20.connection:recv for stream 1 with set([]) already present DEBUG:hpack.hpack:Decoding �T�*@�����R����BM'���tOK,�fBH�K�DrE�����.1���"��k9#/F%��H�mR�P,��,��$��Q>�,��� A�ǩ= DEBUG:hpack.hpack:Decoded 8, consumed 1 bytes DEBUG:hpack.hpack:Decoded (':status', '200'), consumed 1 DEBUG:hpack.hpack:Decoded 20, consumed 1 bytes DEBUG:hpack.hpack:Decoded 1, consumed 1 bytes DEBUG:hpack.hpack:Decoded ('access-control-allow-origin', <memory at 0x73eb4f80>), total consumed 3 bytes, indexed True DEBUG:hpack.hpack:Decoded 12, consumed 1 bytes DEBUG:hpack.hpack:Decoded 44, consumed 1 bytes DEBUG:hpack.hpack:Decoded ('x-amzn-requestid', '06c728fffe3dcd94-00004c6d-0000c350-3d16aba23a82e67b-6d39ad0b-1'), total consumed 59 bytes, indexed True DEBUG:hpack.hpack:Decoded 31, consumed 1 bytes DEBUG:hpack.hpack:Decoded 47, consumed 1 bytes DEBUG:hpack.hpack:Decoded ('content-type', 'multipart/related; boundary=------abcde123; type=application/json'), total consumed 49 bytes, indexed True INFO:hyper.http20.connection:Received unhandled event <PriorityUpdated stream_id:1, weight:16, depends_on:0, exclusive:False> DEBUG:hpack.hpack:HPACK encoding <generator object inner at 0x73e5c210> DEBUG:hpack.hpack:Adding (':method', 'POST') to the header table DEBUG:hpack.hpack:Encoding 3 with 7 bits DEBUG:hpack.hpack:Adding (':scheme', 'https') to the header table DEBUG:hpack.hpack:Encoding 7 with 7 bits DEBUG:hpack.hpack:Adding (':authority', 'avs-alexa-na.amazon.com') to the header table DEBUG:hpack.hpack:Encoding 63 with 7 bits DEBUG:hpack.hpack:Adding (':path', '/v20160207/events') to the header table DEBUG:hpack.hpack:Encoding 4 with 6 bits DEBUG:hpack.hpack:Encoding 12 with 7 bits DEBUG:hpack.hpack:Adding ('content-type', 'multipart/form-data; boundary=seeed-voice-engine') to the header table DEBUG:hpack.hpack:Encoding 31 with 6 bits DEBUG:hpack.hpack:Encoding 34 with 7 bits DEBUG:hpack.hpack:Adding ('authorization', 'Bearer xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx') to the header table DEBUG:hpack.hpack:Encoding 23 with 4 bits DEBUG:hpack.hpack:Encoding 474 with 7 bits DEBUG:hpack.hpack:Encoded header block to ���D�c��� :�{���_����j�bX��R��H�Ԍ�� ��� Rȷs��X�Lj�����Q�[��>��2x�w&Z��RpŲ�d����gl2{�����(���{6���Vtلz����U������ii̋%�I�ʍ���q��{/���إg6�l����~���1�k�����������͎Д�?W������&�ut{�5� �O��n��o�f�sg)|���g纟ވl�;4���tMژ�F�y��E�s�ڰ����˶O�:ͨ�|���^�mr^"���u���������6 Y����lכVP6���ǫ$��-��p�O#~�߽�������[����zeoe����������ѥ�)ܣ�����+����W�o��ڒ���vJ{���}E�??�1X�+vF�<�,�ͺb� �;gf��ӣV����;�;����g��çk �)EӮH�����O>|;��T��E�0mK;,)�{A�U���߿Q�FyÛoK�۵���;��e����P�WNhݮ�f
DEBUG:avs.alexa:metadata: {
"event": {
"header": {
"namespace": "System",
"name": "SynchronizeState",
"messageId": "65a2d68cece747bd8b4f0fa40936e073"
},
"payload": {}
},
"context": [
{
"header": {
"namespace": "SpeechSynthesizer",
"name": "SpeechState"
},
"payload": {
"token": "",
"playerActivity": "FINISHED",
"offsetInMilliseconds": 0
}
},
{
"header": {
"namespace": "Speaker",
"name": "VolumeState"
},
"payload": {
"volume": 50,
"muted": false
}
},
{
"header": {
"namespace": "AudioPlayer",
"name": "PlaybackState"
},
"payload": {
"token": "",
"playerActivity": "IDLE",
"offsetInMilliseconds": 0
}
},
{
"header": {
"namespace": "Alerts",
"name": "AlertsState"
},
"payload": {
"allAlerts": [],
"activeAlerts": []
}
}
]
}
INFO:avs.alexa:wait for response
DEBUG:hyper.http20.connection:recv for stream 3 with set([1]) already present
%��3�T���ck.hpack:Decoding ������tOK,�fBH�K�DrE�����.1���"��k9#/F�?_Ħ��j�bX��
&=LtA��� ,��,8�!B&~Бؘ)*G �5��D��p/��}��e���u�b
DEBUG:hpack.hpack:Decoded 8, consumed 1 bytes
DEBUG:hpack.hpack:Decoded (':status', '200'), consumed 1
DEBUG:hpack.hpack:Decoded 64, consumed 1 bytes
DEBUG:hpack.hpack:Decoded ('access-control-allow-origin', <memory at 0x73eb4f80>), consumed 1
DEBUG:hpack.hpack:Decoded 63, consumed 2 bytes
DEBUG:hpack.hpack:Decoded 44, consumed 1 bytes
DEBUG:hpack.hpack:Decoded ('x-amzn-requestid', '06c728fffe3dcd94-00004c6d-0000c350-3d16aba23a82e67b-6d39ad0b-3'), total consumed 47 bytes, indexed True
DEBUG:hpack.hpack:Decoded 31, consumed 1 bytes
DEBUG:hpack.hpack:Decoded 68, consumed 1 bytes
DEBUG:hpack.hpack:Decoded ('content-type', 'multipart/related;boundary=------abcde123;start=metadata.1512627619030;type="application/json"'), total consumed 70 bytes, indexed True
INFO:hyper.http20.connection:Received unhandled event <PriorityUpdated stream_id:3, weight:16, depends_on:0, exclusive:False>
INFO:avs.alexa:status code: 200
INFO:avs.alexa:Found 176 bytes of None application/json, first_payload_block=True
INFO:avs.alexa:Finished downloading JSON
DEBUG:avs.alexa:{u'directive': {u'header': {u'namespace': u'System', u'name': u'SetEndpoint', u'messageId': u'cc59261c-59ef-4629-8650-2816e28a37f7'}, u'payload': {u'endpoint': u'https://avs-alexa-eu.amazon.com'}}}
DEBUG:avs.alexa:{
"header": {
"namespace": "System",
"name": "SetEndpoint",
"messageId": "cc59261c-59ef-4629-8650-2816e28a37f7"
},
"payload": {
"endpoint": "https://avs-alexa-eu.amazon.com"
}
}
DEBUG:avs.alexa:ping at Thu Dec 07 11:53:48 2017
INFO:hyper.http20.connection:Received unhandled event
DEBUG:avs.alexa:ping at Thu Dec 07 11:57:48 2017
DEBUG:avs.alexa:ping at Thu Dec 07 12:01:49 2017

Hi there, I have enabled SPI on my RPi 3b and I run this Python script:

python3 ~/pixel_ring/examples/usb_mic_array.py

but nothing happens, no errors, nothing....

while at the same time the example (respeaker/pixel_ring.py) from respeaker_python_library (https://github.com/respeaker/respeaker_python_library) works.

Would be very nice to document the usage and features of the library. What does pixel_ring.show(data) does? What is set_vad_led and mono?

Hello,
can i change the color of the patterns?
for example when i call pixel_ring.think() i want the leds in green and not in blue..
where can i do this?

Thanks in advance :)

It should be possible to provide a variety of effects using a higher level API like HermesLEDProject does.

https://github.com/project-alice-assistant/HermesLedControl/blob/master/interfaces/respeakerMicArrayV2.py

I was using their Google pattern together with Rhasspy, but with the move to Mycroft I'm stuck with what is offered in the firmware.

Is that something we can reasonably expect to be supported in pixel_ring?