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i2s connection - Orange/Dac
i2s connection - Orange/Dac
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Old 2nd October 2017, 05:31 PM   #101
cu6apum is offline cu6apum  Russian Federation
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Anybody made it in slave i2s mode yet? Mclk from dac side.
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Old 30th November 2017, 10:51 AM   #102
ua3nbw is offline ua3nbw
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Quote:
Originally Posted by cu6apum View Post
Anybody made it in slave i2s mode yet? Mclk from dac side.
I2S slave on mainline 4.13
Russian page I2S slave на mainline ядре OrangePi
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Old 30th November 2017, 11:42 AM   #103
Dimdim is offline Dimdim  Greece
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i2s connection - Orange/Dac
This is very interesting! I suppose that your patch will work on any OrangePi board, as long as it is based on the Allwinner H3?
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Old 30th November 2017, 12:53 PM   #104
ua3nbw is offline ua3nbw
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Originally Posted by Dimdim View Post
This is very interesting! I suppose that your patch will work on any OrangePi board, as long as it is based on the Allwinner H3?
Yes H2/H3/H5
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Old 3rd December 2017, 06:43 PM   #105
wealas is offline wealas
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Any chance you can add support for DSD and 768K Pcm? I would like to drive a ESS9038PRO from a NanoPi NEO2 without additional USB-to-I2S converter. If I understand correctly it should just be a matter of bumping up the supported frequencies and adding logic for the correct clock divider.
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Old 3rd December 2017, 08:36 PM   #106
ua3nbw is offline ua3nbw
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NanoPi-NEO ALSA-Add-rate-defines-for-352k8-and-384k
NanoPi-NEO/NanoPi-NEO-i2s.txt at master * takobozu/NanoPi-NEO * GitHub
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Old 11th December 2017, 07:33 PM   #107
wealas is offline wealas
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I cannot find out how the external clock is fed into the board, there is no input on defined? Do I need to modify the board somehow?
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Old 11th December 2017, 08:45 PM   #108
wealas is offline wealas
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Nevermind, it's not using an MLCK but expects BCLK and LRCK as input thus the need for not only clock selection but divider selection as well. Now I have to figure out how to make it work with Ian's McFIFO.
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