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LightBox

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资源说明：A dirt simple client/server originally intended to provide a visual cue for long compiles.

# LightBox

## Introduction
LightBox is a dirt simple project that was born out of frustration of waiting on long compiles.
Have you ever kicked off a long compile, or any other process really, and wanted a way to passively
monitor it's progress?  Well here's a solution. It's crude, but it worked for me. 

LightBox is a combination of a simple [Arduino][1] circuit, Python server script, and a Python client script. The server listens for commands from the client, and sends those to the circuit. The client script provided in this package was built to monitor the output of a long make build and produce a red, yellow green status back to the developer.

In addition to the light status, the circuit supports a [LM35][3] temperature sensor.

A video of the random color sequence can be seen on my woodworking blog [Woodworker++][4].

## lightbox.pde
This is the [Arduino][1] source. It was tested against Arduino 19. It includes the capability to read temperature from an external sensor. 

### Randomize Mode
This is the default mode of LightBox. In this mode LightBox will cycle through random colors and listen for [Command Mode].

### Command Mode
While in this mode, LightBox can be issued commands that vary characteristics of the light.

#### Commands

* *Pz* - Poll the temperature at random interval and report it back serially.
* *Po* - Turn off temperature polling
* *P[0-3]* - Set the polling interval.  0 = ONE SECOND, 1 = FIFTEEN SECONDS, 2 = THIRTY SECONDS, 3 = SIXTY SECONDS
* *T* - Request the current temperature. Returned serially.
* *C* - This resets the device and settings and enables command mode.
* *D* - Turns off the light.
* *Z* - Randomizes the light colors. LightBox starts in this mode.
* *F* - Flashes the last color set.
* *R* - Set the LightBox color to red.
* *G* - Set the LightBox color to green.
* *B* - Set the LightBox color to blue.
* *Y* - Set the LightBox color to yellow.

While in command mode, if a command is not found LightBox will flash yellow.


## lightboxserver.py
The server application used to issue client commands to the LightBox circuit.

### serial
LightBox Server connects via a serial port to the LightBox circuit. The serial port can be an actual RS-232 port, or a virtualized port used in USB-to-Serial converters.

### server port
LightBox Server listens to a given ip:port combination for clients. The code is written to assume only one client per network, but could easily be modified to support more.

### Usage
    `LightBox Server
    Command line options:
    -h --help show this help screen
    -s --serialport= The serial port to use.  This parameter must be defined
    -c --command= The command to monitor.  If this parameter is not set then LightBox will operate in "server" mode
    --serverport=[%s] The port the LightBox server should listen on.  If this parameter is set "command" will be ignored'

## makeMonClient.py
This is a simple client used to monitor the build of a large project. It checks stdout and stderr for keywords, interprets those keywords, and then sends commands to LightBox Server. Because it issues the `make` command to a makefile is expected to be in the working directory. 

### Usage
    `LightBox Client
    Basic usage: lightboxMakeClient.py -m TARGET
    Command line options:
    -h --help show this help screen
    -m --maketarget= The make target to execute.  This parameter is required
    -a --address=[%s] The IP address of the sever.  Default is 127.0.0.1
    -p --port=[%s] The port the LightBox server is listening on. default is 3000`

## Circuit
The circuit is fairly simple. It uses an [Atmega 168][5] chip on which the Arduino code is burned.
![Schematic][6]
### Parts List
* 10k resistor   (1)
* 22pf capacitor (2)
* 16mhz crystal  (1)
* RGB LED Radioshack part #276-0628 (1)

I found that the LED draws a lot of power when all 3 colors are activated causing a brown out. To mitigate this I added a .22uf capacitor across the +5v input and ground.

## Problems?
If you find a problem, and since it's a quick hack project I'm sure there are some, just fork the project fix it, and send a pull request. Or, file an [issue][2].

# License
See license file



[1]:http://arduino.cc/ "Arduino" 
[2]:http://github.com/nclaburn/LightBox/issues "issues"
[3]:http://www.national.com/mpf/LM/LM35.html#Overview "LM35"
[4]:http://woodworkerplusplus.blogspot.com/2009/11/paper-shade.html "Woodworker++"
[5]:http://www.atmel.com/dyn/products/product_card.asp?part_id=3303 "Atmega 168"
[6]:https://github.com/nclaburn/LightBox/raw/master/lightbox_schematic.png "schematic"

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