Check out the CDC serial Demo in Microchip's USB stack as a reference, it
enumerates as a serial port.  You don't have to give up the legacy serial
support.


 

-----Original Message-----
From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu] On Behalf Of
Nathan House
Sent: December 18, 2009 1:13 PM
To: Microcontroller discussion list - Public.
Subject: [PIC]Is HID the easiest way to use USB with a PIC18F4550?

Hi everyone. I am building an inexpensive CNC machine as a hobby project and
it needs to send and receive data from a computer. I've decided to use USB
for this project instead of a serial connection. As I have a PIC18F4550
on-hand, and because it seems to be popular among hobbyists, I'm planning on
using it as the "brain" of my CNC machine.

My question is, what is the easiest way to send data back and forth between
a PIC18F4550 and a PC? I have no experience with USB or writing drivers, but
it seems that using the built-in Windows HID class may work well for me.
What do you guys think?

Appreciate for your advice!
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