Hi all,
here some things/thoughts about the ODROID C1 / C1+ i like to share:
- how to get access to the console:
There are two ways to get access to the console:
- 1.) plug in a monitor and a keyboard
2.) use SSH from your PC
- If you are not familiar with SSH read this for Windows or this for Linux/MacOS
The default login for RuneAudio is "root" with the password "rune" (without quotes).
- how to enable the new HIFI shield on a ODROID C1+
- 1.) get access to the console (SSH or local keyboard / monitor)
2.) edit the file /boot/boot.ini
nano /boot/boot.ini
scroll down until reaching this part
# PCM5102 audio DAC Enable/Disable
# Uncomment the line below to __ENABLE__ Audio-DAC(PCM5102)
#setenv enabledac "enabledac"
remove the hash in front of the last line
# PCM5102 audio DAC Enable/Disable
# Uncomment the line below to __ENABLE__ Audio-DAC(PCM5102)
setenv enabledac "enabledac"
save your changes with STRG&x + y + ENTER
3.) reboot your device
reboot
4.) select your DAC from MENU->MPD
You also can change this file on your PC by plugging in the SD card.
Another way is to use a program like WinSCP or FILEZILLA to remotely access files on your device.
-If you have problems with booting from UHC-1 SDCARD.
- Find this section in the /boot/boot.ini and add a hash on the last line:
# UHS Card Configuration
# Uncomment the line below to __DISABLE__ UHS-1 MicroSD support
# This might break boot for some brand models of
# setenv disableuhs “disableuhs”
- how to speed up boot process then no wifi is needed
- how to resize your SD or EMMC card image:
The downloadable image is made for cards >= 2GB.
In most cases your card has more storage capacity,
so why not use it for local storage or other packages you like to install.
- 1.) get access to the console (SSH or local keyboard / monitor)
2.) login to your ODROID (user=root and password=rune)
3.) execute this
fdisk /dev/mmcblk0
4.) get the current size p + ENTER on your keyboard
5.) delete the first partition d + ENTER
6.) add a new partition with default parametern + ENTER + ENTER + ENTER + ENTER + ENTER
7.) write the partition table to your card w + ENTER (ignore the error message)
8.) reboot your device
reboot
9.) login again
10.) execute this
resize2fs /dev/mmcblk0p1
11.) check new size
df -h
- EMMC vs. SD card
What are the differences between EMMC and SD cards?
1.) EMMC is much faster than SD cards.
Let us perform some tests:
[root@runeaudio EMMC]# dd if=/dev/zero of=tempfile bs=1M count=1024 conv=fdatasync,notrunc
1024+0 records in
1024+0 records out
1073741824 bytes (1.1 GB) copied, 74.8774 s, 14.3 MB/s
EMMC writing 1.1GB
[root@runeaudio SD]# dd if=/dev/zero of=tempfile bs=1M count=1024 conv=fdatasync,notrunc
1024+0 records in
1024+0 records out
1073741824 bytes (1.1 GB) copied, 107.958 s, 9.9 MB/s
SD writing 1.1GB
[root@runeaudio EMMC]# dd if=tempfile of=/dev/null bs=1M count=1024
1024+0 records in
1024+0 records out
1073741824 bytes (1.1 GB) copied, 17.1679 s, 62.5 MB/s
EMMC reading 1.1GB
[root@runeaudio SD]# dd if=tempfile of=/dev/null bs=1M count=1024
1024+0 records in
1024+0 records out
1073741824 bytes (1.1 GB) copied, 66.8245 s, 16.1 MB/s
SD reading 1.1GB
As you can see writing is 1.4 times faster and reading is 3.9 times faster.
Beside this EMMC cards are much more durable against SD cards.
So as a result, if you have the money buy one for your RuneAudio project.
- how to use / enable the IR receiver
Your ODROID C1(+) is equipped with an infrared receiver that can be used to control rune audio.
Hardkernel offers a small remote, but i think there are better ones to use (see
here for supported ones).
1.) get access to the console (SSH or local keyboard / monitor)
2.) execute these commands:
systemctl enable lircd
systemctl start lircd
systemctl enable irexec
systemctl start irexec
If you own the HK remote this is all you have to do.
If you have a different remote, you need the right lirc configuration from
here.
Download the file and save it as /etc/lirc/lircd.conf.d/lircd.conf.
Frank
