software control of home automation systemsassets.en.oreilly.com/1/event/45/software control... ·...
TRANSCRIPT
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Software Control ofHome Automation Systems
BRUCE & MATTHEW MOMJIAN,ENTERPRISEDB
July, 2010
AbstractSoftware can greatly enhance existing hardware home automationsystems, giving them smarts. This talk covers many softwareprograms for home automation.
Creative Commons Attribution License http://momjian.us/presentations
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Dumb Home Automation Devices� Timers
� Clapper
� Dawn/Dusk Sensors
� Motion Sensors
My other presentation, Practical Computerized Home Automation, coversthe hardware aspects of home automation.
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What Does Software Control Enable?� Device behavior can be combined
� No distance limitations
� Activity detection
� Fully programmable / scriptable
� Access to external data
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How Is This Possible?Home Networks
� Wired telephone
� Cordless telephone (900MHz, 2.4GHz, 5.8 GHz, 1.9GHz)
� Wireless remotes
� Wired local area network (Ethernet)
� Wireless local area network (802.11)
� Electrical (X10)
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Software Control
ProgramInput Output
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Inputs� User commands
� Clock/Timer
� Dawn/Dusk sensors
� Wireless remotes
� Caller Id
� Telephone Dialing
� Web sites, e.g. outside temperature
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Outputs� Lights
� Motors
� Appliances, e.g. coffee maker
� Sounds
� Network broadcast messages
� Slideshow
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Home Application: First Floor
Interface
Office
Computer
Dining Room
KitchenBedroom
Garage
Living
Hallway
Entry
Family Room
Light
Chime
Dawn/Dusk Sensor
Computer/Power Line
Screen
Wireless Remote
Coffee Maker
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Home Application: Second Floor
PlayBedroom Bedroom
Bedroom
Hallway
Bed
Room
Wireless Remote Chime
Light
Pool Pump (outside)
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Heyu
X10 devices are controlled and monitored using the X10 CM11acomputer interface device and the open source heyu control software.For heyu information, see http://www.heyu.org/. Heyu can be customizedby defining devices in ~/.x10config:
remotebed I 1 # downstairs remote alloff
entrytable I 2
bookcase I 3
couch I 4
tiffany I 5
schoolroom I 6
fireplace I 7
laundry I 8
wireless I 9 # wireless outlet, makes click noise
masterbed I 10
...
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Heyu Wrapper Script
Instead of:
$ heyu turn couch on
a script can be created:
$ x10on couch
The script can handle multiple devices:
$ x10on tiffany bookcase
and groups of devices can be defined:
$ x10off videoPractical Computerized Home Automation 11
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Simple Time-Based Activity
cronTime Output
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Crontab Scheduler
0 7 * * * root x10on slideshow
0 11 * * * root x10on decor
0 12 * * * root touch /u/x10/wait_for_dusk
0 14 * * * root x10on bathroom
30 20 * * * root x10on boyscolor catherine
# fade
30 21 * * * root x10dim entrytable decor bathroom
# off
0 21 * * * root x10off bookcase
0 23 * * * root frontlights off; x10off decor tiffany
0 0 * * * root x10off ‘x10group 1 | egrep -v ’^entrytable$’‘
0 0 * * * root touch /u/x10/wait_for_dawn
59 0 * * * root x10dimoff_slow laundry
59 1 * * * root ! is_tz_fallback && x10alloff
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Dawn/Dusk Activity
Dawn/Dusk Sensor
(via X10)
x10monitor
daemon
Inside Lights On
Outside Lights On
+30 minutes
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Monitoring X10 Activity
7/6 at 05:40:49 address unit 8 : housecode d (entrymotion_dusk)
7/6 at 05:40:49 function Off : housecode d unit 8 (entrymotion_dusk)
7/6 at 20:35:57 address unit 8 : housecode d (entrymotion_dusk)
7/6 at 20:35:57 function On : housecode d unit 8 (entrymotion_dusk)
7/6 at 22:05:46 address unit 3 : housecode f (catherine)
7/6 at 22:05:46 function Off : housecode f unit 3 (catherine)
7/5 at 23:18:20 address unit 13 : housecode i (remotebed2)
7/5 at 23:18:21 function Off : housecode i unit 13 (remotebed2)
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Acting on X10 Events (Dusk)
x10 monitor | while read LINE
do
echo "$LINE" >>/var/log/x10
case "$LINE" in
# is it dusk?
*" On : "*"(entrymotion_dusk)"*)
if [ -f /u/x10/wait_for_dusk ]
then rm /u/x10/wait_for_dusk
x10on 1
echo "heyu turn masterbath on;
heyu turn laundry on" |
at now +45 minutes
fi
;;
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X10 Already Supports Wireless Remotes
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Coffee Maker Timer
(via X10)
Wireless Remote
+30 minutes
Coffee Maker Offx10monitor
*" On : "*"(coffeepot"*")"*)
echo "heyu turn coffeepot off" | at now +30 minutes
;;
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Telephone Notification
Caller ID
(via modem)daemon
Broadcast Message
Logfile
Numbers/Names from
Call Chime (optional)
Contact Directory
caller_id
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Caller ID
AT#CID=1
Wed Jul 8 21:34:00 EDT 2009 DATE = 0708
Wed Jul 8 21:34:00 EDT 2009 TIME = 2134
Wed Jul 8 21:34:00 EDT 2009 NMBR = 6107429657
Wed Jul 8 21:34:00 EDT 2009 NAME = PENNSYLVANIA
Lookup phone number in contact directory.
Wed Jul 8 21:34:04 EDT 2009 Bruce and
Christine Momjian from Bruce’s cell phone (610) 742-9657
Log call, and optionally sound X10 chime if phone call is from animportant phone number.
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Outgoing Calls
Numbers/Names from
Telephone Directory
User Command dial
scriptOutgoing Call
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Telephone Dialing
Dial phone number from contact directory:
ATDT16107429657
Tue Apr 7 14:57:26 EDT 2009 16107429657 Bruce and
Christine Momjian to Bruce’s cell phone
This can also be used to automatically dial recently received calls usingthe log.
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Pool Pump
job scheduler(time varies with temperature)
Poolpump On
(via weather web site)
Outside Temperature
A script allows scheduled pump control with manual override.
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Family Activity Screen
Picture Directory
Weather Website
PHP, Javascript,
scripts
Event Calendar Family Activity Screen
Screen is shown on a dummy display and also on laptops throughout thehouse. Source available at http://code.google.com/p/infodisp.
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Time to Eat
(via X10)
x10monitor
daemon
Wireless Remote Broadcast Message
Activity Screen Off
"Eat" Chime
(for 50 minutes)
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Conclusion
http://momjian.us/presentationsPractical Computerized Home Automation 26