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+== SYSTEM IS LIVE! Here is how it works ==
+[[Datei:Lazzzorauth snippet.jpg|300px|right]]
+'''Important notes:'''
-[[Datei:lazzzorauth.jpg|300px|thumb|left|done.]]
+'''You need a key, or a key owner to log in for you before you can lazzzor!'''
-<p style="clear:both">
+If you have lazzzor privileges but not yet a key, get in touch with [[Benutzer:mzeltner|mzeltner]], [[Benutzer:overflo|overflo]] or [[Datei:core.png]]!
+<font color='Red'>If you try to print '''without anyone being logged in, CorelDraw will freeze'''<br />and print jobs will have to be cancelled!</font> After deletion CorelDraw will unfreeze.
+Currently public list of people with lazzzor privileges:
+{{Lasermenschen}}
+=== Workflow / Howto ===
+* '''Logging in''': put in your key
+* Print as per usual!
+* '''Be externally responsible''': hold logout button for 3 seconds (display doesn't changes after 3s but after releasing the button)
+* External (i.e. not you!) print as per usual
+* '''Log out''': tap logout once (if you're done lazzzoring or overseeing lazzzoring!)
+__TOC__
 == Hardware  ==
+Consists of:
+* Seagate Dockstar (because the Raspberry Pi SD cards died several times)
+* Arduino
+* RGB 16x2 LCD
+* OneWire socket (iButton support)
+* A red Button
+* a 6-Port network switch
+== Software ==
+* Dockstar linux distro from USB stick
+* Node.js Server / Database
+* Arduino code (because there was a spare Arduino laying around..)
+== How ==
+Hardware documentation
+{|width="100%"
+|width="33%"| [[Datei:Lazzzorauth_bb_small.png|340px|thumb|center|Breadboard Aufbau (made with fritzing)]]
+|width="33%"| [[Datei:Lazzzorauth.jpg|300px|thumb|center|wall mount box]]
+|width="33%"| [[Datei:Lazzorauth sensor.jpg|300px|thumb|center|The hall effect sensor + Preamp]]
+|}
-Consists of:
- - Seagate Dockstar (because the raspberry pi SD-cards died several times)
- - Arduino
- - RGB 16x2 LCD
- - OneWire (iButton suport)
- - 1 Button
- - a 6-Port Network Switch
+There is a hall effect sensor placed right over the valve of the air-assist. This valve is opened to enable a static airflow as soon as a laserjob starts and is disabled when the job ends.
-== Software ==
-dockstar linux distro from usb stick
+== Protocols ==
-Node.js Server / Database
-Arduino code (because there was a spare arduino laying around..)
+All states are now handled by the embedded system.
-== How ==
+The Arduino only displays what the embedded system sends it.
-Hardware documentation
+The arduino sends ibutton scans and pushbutton events.
-[[Datei:Lazzzorauth_bb_small.png|200px|thumb|left|Breadboard aufbau (made with fritzing)]]
-[[Datei:Lazzorauth sensor.jpg|200px|thumb|left|The hall effect sensor + Preamp]]
+<pre>
+//this code is followed by the button id
+#define BUTTON_ID_SCANNED   'I'
-There is a hall effect sensor placed right over the valve of the airassist.
+// error is followed by error description (like CRC error)
+#define ERROR_CODE  'E'
-This valve is opened to enable a static airflow as soon as a laserjob starts and is disabled when the job ends.
+// when button is triggered
+#define LOGOUT_USER  'B'
+// when button is long pressed
+#define EXTERNAL_USER_RESPONSIBLE  'X'
+//button was removed, this event is ignored by embedded system
+#define BUTTON_REMOVED  'L'
-<p style="clear:both">
+// sensor from valve magnetic field
+#define LASERJOB_STARTED  'J'
+#define LASERJOB_FINISHED  'S'
+</pre>
-== Protocols ==
+The embedded system sends:
+<pre>
+'A' followed by text for the FIRST line
+'B' folloowed by text for the second line
+'C' Turn color on LCD to
+GREEN =1
+RED =2
+BLUE =4
+</pre>
-All states are now handled by the embedded system.
+== Where ==
-The Arduino only displays what the ELS sends it.
+LazzzorAuth runs @ 10.20.30.27
-The arduino sends ibutton scans and pushbutton events.
+Its located right behind the Lazzzor station on the wall.
 == Links ==
-# GIT - Arduino source
+[https://github.com/Metalab/LazzzorAuth/ Arduino + Embedded system code on github]
-# GIT - Dockstar linux mods +scripts
-# GIT - Node.js application
+== Gotchas ==
+The Arduino used is a Arduino UNO but it's bootloader is from an Arduino DUEMILANOVE.
+Pick this as target when compiling a new firmware for it..
+When the Arduino is plugged in it displays "Linux booting.. hang in there"
+Once the embedded system is up it sends a welcoming message over serial and this flushes the display.
+[[Kategorie:Infrastruktur]]
+[[Kategorie:Lazzzor]]
+[[Kategorie:Metalab_OS]]
+[[Kategorie:Projekte]]