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Author: DigitalToys

HiFi DACs for Orange Pi

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Post time 2015-5-27 19:50:20 | Show all posts
Edited by segmentor at 2015-5-27 19:53

hello i want to make me one hifi.
i need to know if the orange pi mini 2 is compatible with:
1) volumio distro
https://volumio.org/
https://volumio.org/get-started/

2) this pcm5122 i2s dac board
http://es.aliexpress.com/store/p ... 55_32314806969.html
thanks

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Post time 2015-5-28 12:06:01 | Show all posts
顶,是个好贴

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 Author| Post time 2015-5-28 14:12:47 | Show all posts
@segmentor: see this thread for a Volumio port: http://www.orangepi.org/orangepi ... &extra=page%3D1

Regarding the DAC I cannot help further, still hoping for someone to help me get mine up and running...
www.DigitalToys.info - News, tutorials and tests for SBCs

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Post time 2015-12-13 18:25:27 | Show all posts
DigitalToys replied at 2015-5-21 08:29
Ok, the DAC arrived yesterday. Connected it to a RPi B running Volumio to test it, works great! I tr ...





According to the datasheet H3, i2s bus pins are: GPIO 28 LRCK, GPIO 29 BCK, GPIO 37 Data
Linux is ready to use a dac i2s? modules etc.
I can not help more but that has not yet arrived my board



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Post time 2016-1-14 15:48:09 | Show all posts
Unoqueva replied at 2015-12-13 18:25
According to the datasheet H3, i2s bus pins are: GPIO 28 LRCK, GPIO 29 BCK, GPIO 37 Data
Lin ...

Any news about this?

Anyone have tryed i2s really works on OPI?

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Post time 2016-1-16 17:54:25 | Show all posts
Hi, i am waiting for arrives Orange PI PC and Audiophonics Dac sabre Es9023 i2s, then i will try the connectiorn

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Post time 2016-1-16 19:02:52 | Show all posts
Edited by Giachi at 2016-1-16 19:08
jirm replied at 2016-1-14 15:48
Any news about this?

Anyone have tryed i2s really works on OPI?

I have the same question

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Post time 2016-1-16 19:05:32 | Show all posts
my DAC must come soon, in my case it is a PCM5102.

I have also seen that in the boot file script.bin there is a section dedicated to the audio that I think should edit to activate the bus i2s
  1. [pcm0]
  2. daudio_used = 0
  3. daudio_master = 4
  4. daudio_select = 1
  5. audio_format = 1
  6. signal_inversion = 1
  7. mclk_fs = 128
  8. sample_resolution = 16
  9. slot_width_select = 32
  10. pcm_lrck_period = 32
  11. pcm_lrckr_period = 1
  12. msb_lsb_first = 0
  13. sign_extend = 0
  14. slot_index = 0
  15. slot_width = 32
  16. frame_width = 0
  17. tx_data_mode = 0
  18. rx_data_mode = 0
  19. i2s_mclk = port:PA18<2><1><default><default>
  20. i2s_bclk = port:PA19<2><1><default><default>
  21. i2s_dout0 = port:PA20<2><1><default><default>
  22. i2s_din = port:PA21<2><1><default><default>
Copy the Code
I think the line "daudio_used = 0" must be "daudio_used = 1" to operate the pin i2s

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Post time 2016-1-16 19:23:32 | Show all posts
Muy bueno Unoqueva!

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Post time 2016-1-17 22:56:19 | Show all posts
in the code wrote from Unoqueva report
  1. i2s_mclk = port:PA18<2><1><default><default>
  2. i2s_bclk = port:PA19<2><1><default><default>
  3. i2s_dout0 = port:PA20<2><1><default><default>
  4. i2s_din = port:PA21<2><1><default><default>
Copy the Code
like here, then the connections for my board Teradak ES9023 i2s can be:

I am not fully sure, bacause in the code writed from Unoqueva PA18 is called MCLK and PA19 BLCK.

The Allwinner H3 datasheet show at pages 74 and 79 say
PA18 = PCM0_SYNC = I2S/PCM Sample Rate Clock/Sync
PA19 = PCM0_CLK = I2S/PCM Sample Rate Clock
PA20 = PCM0_DOUT = I2S/PCM Serial Data Output


I wrote a email to Allwinner... i wait what they will reply



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