Tips and Techniques

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Revision as of 20:57, 21 March 2013 by Osterluk (Talk | contribs) (Mount Boot partition)

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Useful Links

SD Card Readers

http://com.odroid.com/sigong/blog/blog_list.php?bid=139

Adding Vendor/Product IDs to existing Kernel Drivers

http://www.ha19.no/usb/

Mount Boot partition

Add line to /etc/fstab

sudo echo "/dev/mmcblk0p1 /boot vfat noatime  1 2" >> /etc/fstab

And use mount command

mount /boot

Resize FAT partition

use gparted to resize the ext4 fs.. you'll need space to increase the fat partition.

Backup the fat partition contents..

Upon opening space for the new fat partition go to a console and type:

fdisk /dev/sdX

d
1

n
p
1
+3072


t
1
c
w

mkfs.vfat -n boot /dev/sdX1

Read temperature sensors of the odroid

First find the files the kernel drops in the sys file system

find /sys -iname *temp*
/sys/devices/platform/samsung-fake-battery/power_supply/battery/batt_temp
/sys/devices/platform/samsung-fake-battery/power_supply/battery/batt_temp_adc
/sys/devices/platform/samsung-fake-battery/power_supply/battery/batt_temp_adc_cal
/sys/devices/platform/tmu/temperature
/sys/devices/platform/tmu/throttle_temp
/sys/devices/platform/tmu/warning_temp

Then cat the one you want to know

cat /sys/devices/platform/tmu/temperature
30