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| + | ====== RTC on the Odroid W ====== | ||
| + | This page details how to setup the RTC Odroid W on the Raspbian “wheezy” image from http://www.raspberrypi.org/downloads | ||
| + | ---- | ||
| + | ===== Preparations ===== | ||
| + | * Odroid W | ||
| + | * uSD-Card => over 2GB or eMMC Module | ||
| + | * RTC Backup battery | ||
| + | ===== Configuration ===== | ||
| + | - Building the kernel\\ Please refer to [[en:odroidwkernelcompilation | Kernel compilation for odroid-w]] | ||
| + | - With your Odroid W insert a RTC Backup Battery into the battery connector which is BT1. | ||
| + | - Enable I2C by running:<code>sudo vi /etc/modprobe.d/raspi-blacklist.conf</code> Find the I2C line where the i2c is black listed <code>blacklist i2c-bcm2708</code> Comment it out by replacing it with the line below <code>#blacklist i2c-bcm2708</code> | ||
| + | - Now you have the RTC Odroid W running with the current date and time the next step is to make it load when the Odroid W boots.\\ Edit the modules file: <code> sudo vi /etc/modules </code> Add rtc-rc5t619 at the end of the file and save it. | ||
| + | - Next you want to add the RTC Odroid W at boot by editing /etc/rc.local.\\ sudo vi /etc/rc.local\\ Add the following at the bottom of the page above exit 0. <code> echo rc5t619 0x32 > /sys/class/i2c-adapter/i2c-0/new_device | ||
| + | hwclock -s </code> Save the file and reboot your Odroid W. <code>sudo reboot</code> If everything worked correctly the RTC Odroid W should be initialised on boot and the current date and time will be loaded into Linux. | ||
| + | - You can check the current time on the RTC Odroid W with: <code> sudo hwclock -r</code> If this is the first time you have run the RTC Odroid W it will display a date of July 17th 2014. | ||
| + | - If the Odroid W is connected to the internet the correct date and time should be set automatically otherwise you can set the current date and time using: <code>sudo date -s "17 JUL 2014 18:00:00" </code> You can check the current linux date with the command (date). | ||
| + | - To save the date onto the RTC Odroid W use the following command: <code> sudo hwclock -w </code> Verify the date has been saved onto the RTC Odroid W with: <code>sudo hwclock -r</code> | ||
