Differences

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--- en:c1_hardwarehacking [2016/02/26 11:22]
ruppi
+++ en:c1_hardwarehacking [2016/11/18 09:58] (current)
odroid [USB Hub IC reset script]
@@ Line 25: / Line 25: @@
 If there is a USB device attached on USB host connector and consumes power a lot, the board might not be booted because the CPU can not be provided enough current. In order to prevent boot failure in such case, especially a USB device consumes a current more than 1A, we strongly recommend to keep providing power through DC jack.
 </WRAP>
-====== How to enable for Device Mode on ODROID-C0 ======
+====== How to enable for USB Device Mode on ODROID-C0 ======
-You should be connect to VBUS on USB ID pin with a wire as following picture.
+You need to unmount R24 as the red square in the following picture for USB device mode. \\
+The inner USB port (in the blue square) works in device(client) mode. You may need a type-A to type-A USB cable.
- {{:en:c1:c0_enable_for_device.png?250| Connect Between VBUS and USB ID}}
+ {{:en:c1:c0_enable_for_device.png?800| Connect Between VBUS and USB ID}}
 ====== Power On/Off switch ======
@@ Line 95: / Line 96: @@
 sudo apt-get install gnome-settings-daemon gnome-settings-daemon-schemas
 echo /usr/bin/gnome-settings-daemon >> /home/odroid/.config/lxsession/Lubuntu/autostart
+</code>
+====== Alternative heartbeat LED ======
+If you want to remap the blue heartbeat LED to other GPIO, need to edit the device-tree-file for C1 and change the GPIO used.\\
+[[http://forum.odroid.com/viewtopic.php?f=112&t=22629&p=151984#p151984|How-to-guide]] \\
+[[https://github.com/hardkernel/linux/blob/odroidc-3.10.y/arch/arm/boot/dts/meson8b_odroidc.dts#L1006|device-tree-file for C1]]
+====== USB Hub IC reset script ======
+If you need to do power-cycle to the USB devices on the USB host ports, run below commands. \\
+It will reset all the USB devices connected to the USB host ports.
+<code>
+echo 4 > /sys/class/gpio/export
+echo out > /sys/class/gpio/gpio4/direction
+sleep 1
+echo 0 > /sys/class/gpio/gpio4/value
+sleep 1
+echo 1 > /sys/class/gpio/gpio4/value
+echo 4 > /sys/class/gpio/unexport
+sleep 1
 </code>