sethwclock

   1 #!/bin/sh
   2
   3 I2CBUS=0
   4 I2CADDR=0x68
   5
   6 if [ "$1" == "" ]
   7 then
   8   date=`date -u +%Y%m%d%H%M%S`
   9 else
  10   date=$1
  11 fi
  12
  13 year=${date:2:2}
  14 month=${date:4:2}
  15 day=${date:6:2}
  16
  17 hour=${date:8:2}
  18 min=${date:10:2}
  19 sec=${date:12:2}
  20
  21 i2cset -y $I2CBUS $I2CADDR 0 0x$sec
  22 i2cset -y $I2CBUS $I2CADDR 1 0x$min
  23 i2cset -y $I2CBUS $I2CADDR 2 0x$hour
  24 i2cset -y $I2CBUS $I2CADDR 4 0x$day
  25 i2cset -y $I2CBUS $I2CADDR 5 0x$month
  26 i2cset -y $I2CBUS $I2CADDR 6 0x$year