Ameridroid Stereo Boom Bonnet User manual
2020/06/06 20:29 3/8 Stereo Boom Bonnet
ODROID Wiki - http://wiki.odroid.com/
Quick installation guide to enable the I2S audio output on
Ubuntu.
ODROID-C1+/C2
Connect the stereo boom bonnet to ODROID-C1+/C2 using an I2S cable, attach a USB keyboard,
USB mouse and HDMI monitor, then power up the system.
Update the System:
sudo apt update && sudo apt dist-upgrade
To ensure that the stereo boom bonnet kernel modules are loaded on Terminal.
odroid@odroid64:~$ aplay -l
**** List of PLAYBACK Hardware Devices ****
card : ODROIDHDMI [ODROID-HDMI], device : I2S.27 dit-hifi- []
Subdevices: /1
Subdevice #0: subdevice #0
odroid@odroid64:~$
odroid@odroid64:~$ sudo modprobe snd-soc-pcm5102
odroid@odroid64:~$ sudo modprobe snd-soc-odroid-dac
odroid@odroid64:~$ aplay -l
**** List of PLAYBACK Hardware Devices ****
card : ODROIDHDMI [ODROID-HDMI], device : I2S.27 dit-hifi- []
Subdevices: 1/1
Subdevice #0: subdevice #0
Last update: 2020/04/23 08:57 accessory:sound:stereo_boom_bonnet http://wiki.odroid.com/accessory/sound/stereo_boom_bonnet
http://wiki.odroid.com/ Printed on 2020/06/06 20:29
card 1: ODROIDDAC [ODROID-DAC], device : I2S.27 pcm5102- []
Subdevices: 1/1
Subdevice #0: subdevice #0
odroid@odroid64:~$
Applications → Sound & Video → Sound → Hardware Tab & Output Tab select “ODROID-DAC”
If you have to load the driver every time whenever your ODROID-C1+/C2 starts, simply you
can by registering the driver into /etc/modules
odroid@odroid64:~$ su
Password: /* root password is "odroid" */
root@odroid64:/home/odroid# echo "snd-soc-pcm5102" >> /etc/modules
root@odroid64:/home/odroid# echo "snd-soc-odroid-dac" >> /etc/modules
root@odroid64:/home/odroid# exit
exit
odroid@odroid64:~$
Reboot again.
Check it by “aplay -l”:
odroid@odroid64:~$ aplay -l
**** List of PLAYBACK Hardware Devices ****
card : ODROIDHDMI [ODROID-HDMI], device : I2S.27 dit-hifi- []
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: ODROIDDAC [ODROID-DAC], device : I2S.27 pcm5102- []
Subdevices: 1/1
Subdevice #0: subdevice #0
odroid@odroid64:~$
Boom bonnet sound test with sample wav file
odroid@odroid64:~$ aplay -D hw:1, testfile.wav
Change default sound output
check your sound device number
The number zero means the boom bonnet output on C2 Ubuntu 18.04 mate.
odroid@odroid64:~$ pactl list short sources
alsa_output.platform-odroid_dac.stereo-fallback.monitor module-alsa-
card.c s16le 2ch 44100Hz SUSPENDED
1 alsa_output.platform-odroid_hdmi.stereo-fallback.monitor module-alsa-
card.c s16le 2ch 44100Hz SUSPENDED
2 alsa_input.platform-odroid_hdmi.analog-mono module-alsa-card.c
s16le 1ch 44100Hz SUSPENDED
Set the default with the device number
odroid@odroid64:~$ echo set-default-sink | sudo tee -a
2020/06/06 20:29 5/8 Stereo Boom Bonnet
ODROID Wiki - http://wiki.odroid.com/
/etc/pulse/default.pa
ODROID-C4
Connect the stereo boom bonnet to ODROID-C4 using an I2S cable, attach a USB
keyboard/mouse and HDMI monitor, then power up the system.
To enable the sound card, you need to modify the DT(Device Tree) file.
Install required packages and make a backup DTB file.
root@odroid:~$ sudo apt-get install device-tree-compiler
root@odroid:~$ cp /media/boot/meson64_odroidc4.dtb
/media/boot/meson64_odroidc4.dtb.org
Change the DTB file to enable the I2C-bus and pcm5102a codec driver.
root@odroid:~$ fdtget /media/boot/meson64_odroidc4.dtb /pcm5102a status
disabled
root@odroid:~$ fdtput -t s /media/boot/meson64_odroidc4.dtb /pcm5102a status
"okay"
root@odroid:~$ fdtget /media/boot/meson64_odroidc4.dtb /pcm5102a status
okay
root@odroid:~$
Change the DTB file for sound card. Then reboot.
root@odroid:~$ fdtget /media/boot/meson64_odroidc4.dtb /odroid_hifi status
disabled
root@odroid:~$ fdtput -t s /media/boot/meson64_odroidc4.dtb /odroid_hifi
status "okay"
Last update: 2020/04/23 08:57 accessory:sound:stereo_boom_bonnet http://wiki.odroid.com/accessory/sound/stereo_boom_bonnet
http://wiki.odroid.com/ Printed on 2020/06/06 20:29
root@odroid:~$ fdtget /media/boot/meson64_odroidc4.dtb /odroid_hifi status
okay
root@odroid:~$ reboot
You can see that the sound card is enabled.
root@odroid:~$ aplay -l
**** List of PLAYBACK Hardware Devices ****
card : ODROIDHDMI [ODROID-HDMI], device : SPDIF-dit-hifi dit-hifi- []
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: ODROIDHiFi [ODROID-HiFi], device : TDM-B-pcm5102a-hifi pcm5102a-
hifi- []
Subdevices: 1/1
Subdevice #0: subdevice #0
root@odroid:~#
To test, connect an amplifier to the 3.5mm or streo speaker on the boom bonnet, and then run:
Applications → Sound & Video → Sound → Hardware Tab & Output Tab select “ODROID-HIFI”
ODROID-XU4
XU4 system doesn't need any software tweak to enable the boom bonnet sound output.
Adding a RCA connector for Lineout
Last update: 2020/04/23 08:57 accessory:sound:stereo_boom_bonnet http://wiki.odroid.com/accessory/sound/stereo_boom_bonnet
http://wiki.odroid.com/ Printed on 2020/06/06 20:29
Schematic
Stereo Boom Bonnet full schematics
Power consumption
1Khz sine wave playback
Full scale with sound clipping : 6 Watt
Lowering output volume to minimize the clipping : 2 Watt
Pop-up noise
Speakers don't generate pop-up noise in power on and off process.
But Earphone output generates pop-up noise in the power-on process.
Normal power-off process doesn't make any noise.
From:
http://wiki.odroid.com/ - ODROID Wiki
Permanent link:
http://wiki.odroid.com/accessory/sound/stereo_boom_bonnet
Last update: 2020/04/23 08:57
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