Comments (10)
ha just saw you video on twitter ;) anyway this is on my todo list, I also own a pi. forget tcp, udp will be more performant in this case. all we need to do is verify that only newer frames are displayed.
so if you can create a new output device which sends all frames with 24bpp and udp. and add a new configuration entry... would you like to create it yourself or should i help you?
cheers
michu
from pixelcontroller.
If you have time that would be awesome and I'll get the raspberry pi end working. I've been meaning to characterize the SPI performance on the Pi to get and idea of possible frame rates. Seems fast. So a UDP packet with 24bpp should work. Should be able to fit about 500 pixels in a packet without fragmentation (don't know if it matters).
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hey scott i just added an udp output device, all you need to do is configure the output size (x and y resolution) ip and port... the you get a raw udp paket.
i'll upload a new beta binary shortly
from pixelcontroller.
check out PixelController v1.3.0 BETA3 - added UDP support and let me know if that works for you..
what distro do you use with you rpi? did you wrote a howto (connection etc..)?
cheers
from pixelcontroller.
Awesome I'll work on getting it running tonight... Need to buy more LEDs :) I'm using Occidentalis (the adafruit distro). It has kernel support built in for I2C and SPI. I did something similar to this: http://learn.adafruit.com/light-painting-with-raspberry-pi/hardware for wiring; quick and easy.
from pixelcontroller.
Having an issue getting the UDP data out of pixelController. I'm using the latest beta and the example UDP config file. I don't see any UDP packets coming out when watching with wireshark. I have tested the connectivity by using netcat to send some raw binary data to the raspberry pi on the same port.
Any thoughts?
perl -e 'print chr(0xff) x 150' > test.bin
nc -u 192.168.1.123 6803 < test.bin
//pixelpi receives 150 bytes
from pixelcontroller.
sorry my bad! i fixed it and checked myself using wireshark. the code is commited and i'll build the binary later (I'm running windows here, all *nix binaries would not work)
from pixelcontroller.
Check PixelController-1.3.0-BETA4.zip - that should work now
from pixelcontroller.
Tested it out with the latest version of pixelPi and its working great. ( https://github.com/scottjgibson/PixelPi ). I put a blurb with the command/description here: http://thegreatgeekery.blogspot.ca/2012/08/raspberry-pi-and-ws2801.html Thanks for the awesome support!
from pixelcontroller.
great to hear, thanks! so I close this issue, if you have some nice images, feel free to post them here https://www.facebook.com/PixelInvaders
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