Laser/Lazzzorauth

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Hardware

Consists of:

- Raspberry Pi
- Arduino
- 16x2 LCD
- OneWire (iButton suport)
- 3 Leds for status indication
- 1 Button
- a 6-Port Network Switch

Software

2012-07-15-wheezy

Node.js

Arduino code

How

Hardware documentation

Breadboard aufbau (made with fritzing)

- TODO: needs doku


Software documentation

  • tbd (pitfalls, config, buildprocess)

Protocols

Arduino SENDS:


Code Parameter Expected reply What does it mean Example
I <iButton ID> A, N IButton scanned I:33-000000000000
X NONE O Lazzzor shutdown button hit (eXit) X
P NONE P Ping! /Heartbeat P


Raspberry sends:


Code Parameter Expected reply What does it mean Example
A <username> NONE Authenticated A:OVERFLO
N NONE NONE Not authenticated (invalid Button) N
O NONE NONE Off (in response to X) O
P NONE NONE Heartbeat / PING P
E <Error> NONE Some Error occured E:Network down!