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en:odroid-ups2 [2016/03/21 16:18] ruppi [ODROID-C1] |
en:odroid-ups2 [2016/04/20 14:28] joy.cho [Auto shutdown Script] |
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| - | Due to hardware limitations, in order to use the C2 UPS2 subtract the green line of the 3-pin socket,\\ | + | Due to hardware limitations, in order to use the UPS2 on ODROID-C2\\ |
| - | and connect the 3-pin socket as shown in the figure above the 40 pin Header.\\ | + | - Extract the blue cable of the 3-pin socket,\\ |
| - | The extracted lines as shown below, connect the pin #26 of the 40 pin header.\\ | + | - Connect the 3-pin socket as shown in the figure above the 40 pin Header.\\ |
| + | The extracted lines connect the pin #26 of the 40 pin header as shown below.\\ | ||
| + | {{:en:connection_ups2_for_odroidc2.png?400|}} | ||
| - | ===== ODROID-C2 ===== | ||
| - | - Detailed connection picture between JP1 of UPS2 and the 40pin header(**J2**) of ODROID-C2. | ||
| ====== ODROID safe shutdown in the event of a power outage ===== | ====== ODROID safe shutdown in the event of a power outage ===== | ||
| Line 124: | Line 124: | ||
| 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%> | ||
| + | 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. \\ | ||
| + | On Ubuntu release version "ver1.2" or higher, the control routine for ups2 port will be applied. | ||
| + | |||
| + | 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> | ||
| ==== Auto shutdown Script ==== | ==== Auto shutdown Script ==== | ||
| This script checks the status of power and battery.\\ | This script checks the status of power and battery.\\ | ||
| Save the following code as ups2.sh in home directory.\\ | Save the following code as ups2.sh in home directory.\\ | ||
| - | Note that this script can be used with U3 as well as C1 without modification.\\ | + | Note that this script can be used with U3 as well as C1/C2 without modification.\\ |
| <code> | <code> | ||
| #!/bin/sh | #!/bin/sh | ||
| Line 186: | Line 200: | ||
| if [ $retval -eq 0 ] | if [ $retval -eq 0 ] | ||
| then | then | ||
| - | echo "battery is low than 3.7V" | + | echo "battery is lower than 3.7V" |
| - | if test $MODEL = "ODROID-C2" | + | /sbin/shutdown -P 1 |
| - | then | + | |
| - | /sbin/poweroff | + | |
| - | else | + | |
| - | /sbin/shutdown -P 1 | + | |
| - | fi | + | |
| else | else | ||
| echo "battery is good" | echo "battery is good" | ||
