echo 1 >/sys/module/s3cmci/parameters/persist
sudo wmiconfig -i wlan --setwowmode enable # enable wow function
sudo wmiconfig -i wlan --addwowpattern 0 1 33 01 ff # add packet filter pattern, this is the ICMP filter pattern
sudo wmiconfig -i wlan --sethostmode asleep # to tell ar6k what host's current is
v3 source format
 gpio
 pmu

om rtc
om rtc wake <seconds since 1970>
# set RTC wake up at given time
om rtc wake
# print current RTC wakeup time
# why not use rtcwake? (forgot the reason but it exists!)

# is there a way to simply disable touchscreen?
# shouldn't touchscreen-lock also be included in the package?
# om touschreen lock can not be unlocked with a gesture

# om ubx /dev/gps lower-power-state
#  stty -F /dev/ttySAC1 -echo
#  stty -F /dev/ttySAC1 igncr
#  cat /dev/ttySAC1
#  cat /dev/ttySAC1 | perl -e 'use Time::HiRes; $| = 1; my $t2 = 0; while (<>) { if (/GPGGA/) { my $t = Time::HiRes::time(); printf("%f\n", $t - $t2); $t2 = $t; } }'
# disable extra messages, 4Hz report rate:
#  http://wiki.openmoko.org/wiki/Neo_FreeRunner_GPS
# pedestrian mode:
#  http://www.mail-archive.com/community@lists.openmoko.org/msg37868.html
# aid data.
#  http://article.gmane.org/gmane.comp.handhelds.openmoko.community/23985
#0: Continuous Tracking Mode, about 3.5 mA
#1: Fix Now -- sleep mode about 130 uA 
#  http://lists.openmoko.org/nabble.html#nabble-td2476690
# http://downloads.openmoko.org/developer/sources/svn/omgps.googlecode.com/svn/trunk/omgps/src/ubx.c
# at least 'ubxgen.py B5 62 06 11 02 00 03 01 00 00 > /dev/ttySAC1' does not stop 'cat /dev/ttySAC1' from working
ogpsd forked to e.g. https://open.grcnz.com/svn/albatross/branches/groundstation/groundstation/gs/gps/gpsdevice.py
"make ubx.py widely usable" http://trac.freesmartphone.org/ticket/167


# om accelerometer get-position?