ODROID C2 Bedienungsanleitung

2023/09/02 08:29 1/3 USB Hub IC reset script

ODROID Wiki - https://wiki.odroid.com/

Power On/Oﬀ switch

You can control power supplying to ODROID-C2 while DC adaptor is connected with external switch,

Sliding or Toggle Switch for example, if you connect such switch to J4 on the board. J4 is connected to

NCP372 (Protection IC). There is an ENABLE pin on the NCP372 and it is a low-active and have an

internal pull-down resistor for default on.

Switch status Output of NCP372

ON(short) OFF

OFF(open) ON (+5V)

With this hacking, we strongly recommend to shutdown the O/S

completely before turn-oﬀ. Otherwise the ﬁle system could be

corrupted very easily. In Linux, for example, please make sure to

execute shutdown -r now or poweroﬀ.

Alternative power input

The J8 pins are added for an alternative power input (for easier wiring/soldering to power supply cable

on PCB rev0.2 20160226)

Alternative heartbeat LED

If you want to remap the blue heartbeat LED to other GPIO, refer this great instruction.

paulcrawford's guide on the forum

Last update:

2016/11/18 09:49 odroid-c2:troubleshooting:usb_hub_ic https://wiki.odroid.com/odroid-c2/troubleshooting/usb_hub_ic?rev=1479431988

https://wiki.odroid.com/ Printed on 2023/09/02 08:29

IR Remote Controller (Android)

Manufacturer Code: 0x4DB2

Button IR code Scancode Android

Power 0xDC 116 KEYCODE_POWER

Mute 0x88 113 KEYCODE_VOLUME_MUTE

Home 0x82 102 KEYCODE_HOME

OK 0xCE 97 KEYCODE_DPAD_CENTER

Up 0xCA 103 KEYCODE_DPAD_UP

Left 0x99 105 KEYCODE_DPAD_LEFT

Right 0xC1 106 KEYCODE_DPAD_RIGHT

Down 0xD2 108 KEYCODE_DPAD_DOWN

Menu 0xC5 139 KEYCODE_MENU

Back 0x9A 158 KEYCODE_BACK

Volume Down 0x81 109 KEYCODE_VOLUME_DOWN

Volume Up 0x80 104 KEYCODE_VOLUME_UP

The IR remote key map is deﬁned in /system/etc/remote.conf ﬁle.

Default IR protocol is NEC type.

USB Hub IC reset

echo 126 > /sys/class/gpio/export

echo out > /sys/class/gpio/gpio126/direction

2023/09/02 08:29 3/3 USB Hub IC reset script

ODROID Wiki - https://wiki.odroid.com/

sleep 1

echo 0 > /sys/class/gpio/gpio126/value

sleep 1

echo 1 > /sys/class/gpio/gpio126/value

echo 126 > /sys/class/gpio/unexport

sleep 1

From:

https://wiki.odroid.com/ - ODROID Wiki

Permanent link:

https://wiki.odroid.com/odroid-c2/troubleshooting/usb_hub_ic?rev=1479431988

Last update: 2016/11/18 09:49

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