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Doubt about CCS USB debug

 
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xxopiumxx



Joined: 01 Jul 2011
Posts: 20

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Doubt about CCS USB debug
PostPosted: Wed May 30, 2012 10:39 am     Reply with quote
Regards:

I'm working in several projects using the CCS USB libraries; and eventually I have have to overcome problems regarding to communication that should have been much easier to solve if I have had a proper debugging method.
Anyway, the question is: I can't get tired of finding lines like:

Code:
debug_USB(debug_putc,"\r\nPUT %X %U %LU",endpoint, tgl, len);


I have never managed any PIC debugging system, but, how can I get to read those debugging messages during the testing of a device?
I assume that I do, but can I edit my own messages? Can I use it to get debugging information of any part of the code?

Thanks, I sorry for the newbie question.
PCM programmer



Joined: 06 Sep 2003
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PostPosted: Wed May 30, 2012 5:49 pm     Reply with quote
You need to have a RS-232 serial port connection between the hardware
UART pins on your PIC, and your PC. You will need an RS-232 level
converter circuit. If you bought your board from CCS, it probably has
the circuit and a connector. It may come with a cable to connect between
the board and your PC. You will also need to install a terminal program
on your PC, such as TeraTerm, and configure it for a 115200 baudrate

You also need to add the following line, so it's above all the other USB
#include file lines, in your main program file.
Code:

#define __DO_DEBUG_USB


Some of this might change, depending upon your PIC. Always post your PIC.
xxopiumxx



Joined: 01 Jul 2011
Posts: 20

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PostPosted: Mon Jun 04, 2012 9:40 am     Reply with quote
Thanks for the answer.
I have done all that your recommend; but I have a problem.
Before anything my dev is a PIC18F4550.
The thing is that when I activate the USB debugging, the device doesn't get enumerated anymore.
That, under a PC with a 2.0 USB, but in another one with 1.1 USB, it does get enumerated, and works fine.
In my descriptor library the version number is define as 1.1; but the device works great under 2.0, except for the debugging.

Any tips?
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