Differences
This shows you the differences between two versions of the page.
| Both sides previous revision Previous revision | Last revision Both sides next revision | ||
|
en:odroid-ups2 [2016/04/21 13:18] joy.cho [ODROID-C1/C2] |
en:odroid-ups2 [2016/04/21 13:20] joy.cho |
||
|---|---|---|---|
| Line 339: | 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 ===== | ||
