Changes between Version 4 and Version 5 of EPO


Ignore:
Timestamp:
Mar 7, 2014, 10:49:32 AM (6 years ago)
Author:
Jayce Dowell
Comment:

Added information about the Raspberry Pi version of the LWATV GUI

Legend:

Unmodified
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  • EPO

    v4 v5  
    88
    99=== Description ===
    10 This Python script uses a [http://www.blinkstick.com/ BlinkStick] to provide a visual indicator of what LWA1 is doing.  This includes:
     10This Python script uses a [http://www.blinkstick.com/ BlinkStick] to provide a visual indicator of what LWA1 is doing that runs on Linux and OS X.  This includes:
    1111  * Overall station status
    1212  * Data recorder operations
     
    2424}}}
    2525
     26After checking out the software you can run it via:
     27{{{
     28cd LWA1Status
     29./lwa1Status.py
     30}}}
     31
    2632== LWATV GUI ==
    2733
     
    2935
    3036=== Description ===
    31 This Python script generates a GUI showing the latest LWATV image.  The GUI consists of four parts:
     37This Python script generates a GUI showing the latest LWATV image that runs on OS X, Linux, and the [#LWATVGUI-RaspberryPiVersion Raspberry Pi].  The GUI consists of four parts:
    3238  1. The latest LWATV image (or where the beams are pointed if PASI isn't running),
    3339  2. a picture of the LWA1 site with the VLA in the background,
     
    5157svn checkout https://fornax.phys.unm.edu/lwa/subversion/trunk/EPO/LWATV LWATV
    5258}}}
     59
     60After checking out the software you can run it via:
     61{{{
     62cd LWATV
     63./updateMovies.py
     64./lwaTV3.py
     65}}}
     66
     67== LWATV GUI - Raspberry Pi Version ==
     68
     69[[Image(LWATV-no-PASI.png)]]
     70
     71=== Description ===
     72The LWATV GUI can also be run on a [http://www.raspberrypi.org/ Raspberry Pi].  Running the software on a Raspberry Pi, or Pi for short, provides an low cost, low power, and easy-to-use way of displaying the GUI. 
     73
     74=== Hardware Setup ===
     75The hardware setup for this type of install is minimal and can be purchased for around $100.  The parts required are:
     76
     77  * Raspberry Pi, Model B  - [http://www.adafruit.com/products/998 here is one for $40]
     78  * Case
     79    * Pibow - [http://www.adafruit.com/products/1124 here is one for $20]
     80    * Aluminum - [http://www.adafruit.com/products/1610 here is one for $50]
     81  * 5V, 1A USB power supply - [http://www.adafruit.com/products/501 here is one for $6]
     82  * 4GB SD card - [http://www.adafruit.com/products/102 here is one for $8]
     83  * microUSB cable - [http://www.adafruit.com/products/592 here is one for $4]
     84  * Display Adapter
     85    * Composite video - included on the Pi
     86    * HDMI - included on the Pi
     87    * VGA - [http://www.adafruit.com/products/592 here is an HDMI to VGA adapter for $19]
     88    * DVI-D - [http://www.newegg.com/Product/Product.aspx?Item=N82E16812816008 here is an HDMI to DVI-D cable for $10]
     89  * Monitor
     90  * Ethernet cable or !WiFi Module
     91    * Ethernet cable
     92    * !WiFi B/G/N adapeter - [http://www.adafruit.com/products/814 here is one for $12]
     93
     94If you are worried about radio frequency interference go with the aluminum case.
     95
     96=== Software Setup ===
     97The software is also easy to install and based on the [http://www.raspbian.org/ Rasbian] distribution.  You can download a pre-configured image from here and copy to the SD card by [http://elinux.org/RPi_Easy_SD_Card_Setup following these instructions].  After the image has been copied you can insert the card into the SD card slot on the Pi and boot it up.
     98
     99The Pi will be configured to automatically start the LWATV GUI software on boot and will update the cache of previous movies nightly.  The bandwidth usage for the software is around 110MB/hour.
     100
     101===  Additional Configuration ===
     102The software is setup for DHCP over a wired 10/100Mbit ethernet connection and VGA output.  If you setup is the same then no additional configuration is needed.  To change the video output resolution [http://elinux.org/RPiconfig see this page].  For help configuring a WiFi connection [http://www.howtogeek.com/167425/how-to-setup-wi-fi-on-your-raspberry-pi-via-the-command-line/ see this page].