Posts Tagged ‘open source USB stack’

Multi-processor test board for open source USB stack development

Tuesday, December 25th, 2012

An open source USB stack for PIC microcontrollers has evolved in the forum over the last year. It supports a number of USB-enabled PICs, and a good developer would test each chip before each release. We've been crowd sourcing that testing in the forum, but now prolific forum member Mats...

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Posted in project logs, USB | No Comments »

Open source USB stack ported to ORbit16

Monday, June 25th, 2012

Hexapod ported the open source USB stack to his ORbit16 USB development board. The board supports both PIC32 and PIC24 microcontrollers. All the pins are broken out to two female headers, with each pin having 2 connections. In this example we’ll use the Open Source USB CDC Stack from Dangerous Prototypes. ORbit16™...

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Posted in open source, USB | 1 Comment »

Open source USB stack freestanding demo

Thursday, January 19th, 2012

An open source USB stack has been in development in our forum for some time. Up until now it was integrated into the sources code of the specific devices we used like the Bus Pirate, or the IR toy. Now there is a freestanding demo available that can easily be...

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Posted in Development | 12 Comments »

Recent Comments

  • Drone: So these go for around $330 USD and NO published calibration procedure online or otherwise? Given what's inside - I don't think I'll be considering...
  • Pekka Akselin: This is ridiculous!? :-) We are back at 256(!) byte EPROMs that needed multiple, a handful, of voltages to run! :-(
  • KH: Let's try a back-of-envelope calc balancing energies. From MCP1700 datasheet, there are graphs for a 200mA load step. Estimate the energy shortfall as 12uJ. Say...
  • Daniel: It's been a week and my comment is still awaiting moderation. Apparently the CIA doesn't want their involvement known?
  • KH: Agree, so okay, I guess he must have learned from somewhere. 100nF and 1000uF is so far apart, that was jarring; it's more magic incantation...