#!/bin/sh

I2CBUS=0
I2CADDR=0x68

if [ "$1" == "" ]
then
  date=`date -u +%Y%m%d%H%M%S`
else
  date=$1
fi

year=${date:2:2}
month=${date:4:2}
day=${date:6:2}

hour=${date:8:2}
min=${date:10:2}
sec=${date:12:2}

i2cset -y $I2CBUS $I2CADDR 0 0x$sec
i2cset -y $I2CBUS $I2CADDR 1 0x$min
i2cset -y $I2CBUS $I2CADDR 2 0x$hour
i2cset -y $I2CBUS $I2CADDR 4 0x$day
i2cset -y $I2CBUS $I2CADDR 5 0x$month
i2cset -y $I2CBUS $I2CADDR 6 0x$year