gnupic: blinking leds with usb port
Subject:
Re: blinking leds with usb port
From:
Byron Jeff ####@####.####
Date:
28 Feb 2013 18:18:02 -0000
Message-Id: <20130228181751.GA19429@mail.clayton.edu>
On Thu, Feb 28, 2013 at 10:05:51AM -0700, Joe Pfeiffer wrote:
> Byron Jeff writes:
> >
> >The problem with both of these options is the chicken and egg problem of
> >programming the PIC. It instantly stops being a low cost, low hassle
> >project if you have to order and purchase a programmer. One of my long
> >standing projects has been low cost easy to build "code dumpers" that could
> >be used to drop a bootloader onto a self programmable PIC. Then the
> >bootloaded PIC can be used with an appropriate interface for continued
> >programming. The parallel port was the best port for this type of activity.
> >Sadly it, and serial ports (with the exception of USB to serial), a rarely
> >available in modern machines.
>
> It is too bad there is no modern equivalent of a parallel port for
> exactly this sort of project. But that's the only thing I miss about
> it!
>
> A PICkit 2 programmer costs under $50 and integrating the needed six
> (really five) pin connector into your project is dead easy. To me,
> that seems to meet any reasonable definition of "low cost, low
> hassle".
I have a PicKit2. It's fine when you leverage it over a dozen or more
projects. Not so sure about a one off, though.
BAJ
> --
> Joseph J. Pfeiffer, Jr., Ph.D. http://pfeifferfamily.net/
> 1440 Tierra del Sol Dr 575.525.2764 (H)
> Las Cruces, NM 88007 575.496.3501 (C)
>
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--
Byron A. Jeff
Chair: Department of Computer Science and Information Technology
College of Information and Mathematical Sciences
Clayton State University
http://faculty.clayton.edu/bjeff
