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en:odroid-ups2 [2016/04/20 14:28] joy.cho [Auto shutdown Script] |
en:odroid-ups2 [2016/04/21 13:20] (current) joy.cho [ODROID-C1/C2] |
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The BAT_OK and AC_OK signals are used in the below simple shell script which runs in the background via crontab. | The BAT_OK and AC_OK signals are used in the below simple shell script which runs in the background via crontab. | ||
- | <WRAP left round important 70%> | + | |
+ | <WRAP left round important 50%> | ||
Before using UPS2 on ODROID-C2, please check u-boot version. \\ | Before using UPS2 on ODROID-C2, please check u-boot version. \\ | ||
- | If the version of yours is the one before Mar 18 2016, update boot loader as following. \\ | + | If the version of yours is the one before Mar 18 2016, update boot loader. \\ |
- | On Ubuntu release version "ver1.2" or higher, the control routine for ups2 port will be applied. | + | You can find the guide how to check and update U-Boot in the end part of this wiki page. \\ |
- | + | [ How to check and update U-Boot on ODROID-C2 ] | |
- | Click the following site to download boot loader | + | |
- | * [[http://dn.odroid.com/S905/BootLoader/ODROID-C2/c2_bootloader.tar.gz|Download]] | + | |
- | <code> | + | |
- | $ tar zxvf c2_bootloader.tar.gz | + | |
- | $ cd c2_bootloader | + | |
- | $ ./sd_fusing.sh <device/path/of/your/card> | + | |
- | </code> | + | |
</WRAP> | </WRAP> | ||
- | |||
==== Auto shutdown Script ==== | ==== Auto shutdown Script ==== | ||
This script checks the status of power and battery.\\ | This script checks the status of power and battery.\\ | ||
Line 346: | Line 339: | ||
[ 88.211703] Restarting system. | [ 88.211703] Restarting system. | ||
</code> | </code> | ||
+ | |||
+ | ===== How to check and update U-Boot on ODROID-C2 ===== | ||
+ | ==== Linux ==== | ||
+ | == Check U-Boot Version == | ||
+ | If you have a USB-UART console, you can easily check the u-boot version using 'version' on u-boot stage. \\ | ||
+ | |||
+ | <code> | ||
+ | Hit [Enter] key twice quickly during u-boot loading and enter 'ver' or 'version'. | ||
+ | |||
+ | odroidc2# version | ||
+ | U-Boot 2015.01-00089-gdfb8216 (Apr 09 2016 - 06:20:43) | ||
+ | </code> | ||
+ | |||
+ | Or you can check it after kernel booting on userspace using a simple shell script. | ||
+ | <file sh getUbootVer.sh> | ||
+ | #!/bin/sh | ||
+ | # Sample shell script to check U-Boot version on Linux | ||
+ | dd if=/dev/mmcblk0 of=/tmp/temp.bin bs=512 skip=97 count=1334 status=none | ||
+ | grep -a -r -E -o ".{0,0}U-Boot 2015.01.{0,50}" /tmp/temp.bin | grep -a "(" | ||
+ | rm /tmp/temp.bin | ||
+ | </file> | ||
+ | |||
+ | <code> | ||
+ | root@odroid64:~# vi getUbootVer.sh | ||
+ | root@odroid64:~# sudo chmod a+x getUbootVer.sh | ||
+ | root@odroid64:/home/odroid# ./getUbootVer.sh | ||
+ | U-Boot 2015.01-00089-gdfb8216 (Apr 09 2016 - 06:20:43) | ||
+ | </code> | ||
+ | |||
+ | == Update U-Boot == | ||
+ | If your U-Boot version is not the latest one, you can update it using apt-get command. | ||
+ | <code> | ||
+ | sudo apt-get install u-boot | ||
+ | </code> | ||
+ | |||
+ | ==== Android ==== | ||
+ | == Check U-Boot Version == | ||
+ | If you have a USB-UART console, you can easily check the u-boot version using 'ver' on u-boot stage as described in the aforementioned Linux case. \\ | ||
+ | Or you can check it after kernel booting on userspace using the following simple shell script. | ||
+ | <file sh getUbootVer.sh> | ||
+ | #!/bin/sh | ||
+ | # Sample shell script to check U-Boot version on Android | ||
+ | /bin/dd if=/dev/block/mmcblk0 of=/data/temp.bin bs=512 skip=97 count=1334 | ||
+ | grep -a -r -E -o ".{0,0}U-Boot 2015.01.{0,50}" /data/temp.bin | grep -a "(" | ||
+ | rm /data/temp.bin | ||
+ | </file> | ||
+ | |||
+ | <code> | ||
+ | (run Terminal Emulator) | ||
+ | u0_a48@odroidc2:/ $ su | ||
+ | root@odroidc2:/ # cd /data/ | ||
+ | root@odroidc2:/data # vi getUbootVer.sh | ||
+ | root@odroidc2:/data # chmod 755 getUbootVer.sh | ||
+ | root@odroidc2:/data # ./getUbootVer.sh | ||
+ | 1334+0 records in | ||
+ | 1334+0 records out | ||
+ | 683008 bytes transferred in 0.014 secs (48786285 bytes/sec) | ||
+ | /data/temp.bin:U-Boot 2015.01-00089-gdfb8216 (Apr 09 2016 - 06:20:43) | ||
+ | root@odroidc2:/data # | ||
+ | </code> | ||
+ | |||
+ | == Update U-Boot == | ||
+ | If your U-Boot version is not the latest one, you can update it using Android update package. \\ | ||
+ | http://odroid.com/dokuwiki/doku.php?id=en:c2_release_android | ||
===== Tip for servo or motor driving application ===== | ===== Tip for servo or motor driving application ===== |