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by townsend
Sat May 14, 2016 9:27 pm
Forum: Networking and servers
Topic: public wifi
Replies: 0
Views: 550

public wifi

I made this beautiful web-server based Ethernet tunnel out of a Raspberry Pi so that I could be guaranteed access to my office while in hotels that only allow TCP/IP 80 traffic. I had gotten stuck too many times in the past where hotels won't pass SSH or VPN and I wanted to piggy-back raw Ethernet t...
by townsend
Wed Apr 13, 2016 7:50 pm
Forum: Troubleshooting
Topic: Raspberry Pi 3 only one green flash
Replies: 6
Views: 1578

Re: Raspberry Pi 3 only one green flash

I also have this problem. I had trouble believing that the SD card reader would not have that spring action - I assumed it was part of the standard operation of all sd card readers and not an optional feature. Could it be that a mess of these units left the factory with a defective reader? How are y...
by townsend
Sun Mar 13, 2016 1:42 am
Forum: Troubleshooting
Topic: STICKY: WiFi Dongle Issues ? Start here !
Replies: 581
Views: 631219

Re: WiFi Issues ? Start here !

Regarding my previous post - I managed to sort out command to show nearby access points, to that portion is solved. However I still need to sort out all the other issues I asked for help with. Thanks.
-gt-
by townsend
Sun Mar 13, 2016 1:34 am
Forum: Troubleshooting
Topic: STICKY: WiFi Dongle Issues ? Start here !
Replies: 581
Views: 631219

Re: WiFi Issues ? Start here !

I have an application where I'm using the PI as a method of tunneling into my office. Basically, my laptop THINKS its actually in my office at the ethernet level, but the PI is actually eavesdropping on my Ethernet, sending packets inside of TCP packets, unpacking them when they arrive, and sending ...
by townsend
Sun Mar 13, 2016 1:16 am
Forum: OpenGLES
Topic: bit map in memory
Replies: 3
Views: 4338

Re: bit map in memory

Thanks for the replies. I found some code that let me set up a direct pointer into video memory, and also allowed me to synchronize my work with the vertical sync of the PI's video output. What was once a mess of convoluted hybrid OpenGL code combined with C suddenly collapsed into an elegant, compa...
by townsend
Sun Aug 16, 2015 11:31 pm
Forum: OpenGLES
Topic: bit map in memory
Replies: 3
Views: 4338

bit map in memory

I have an application written for OpenGL on an Ubunutu system which continuously renders a bit map image held in RAM to the screen. The "graphics programming" in this application is done at the lowest level by manipulating bits in RAM for efficiency. I need to snap these bitmaps up on the screen as ...

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