dev builds
themes manual
device status forums
mailing lists
IRC bugs
dev guide

Rockbox mail archive

Subject: Re: anyway to write debug output to a file?
From: Linus Nielsen Feltzing (
Date: 2004-03-05

John Covici wrote:
> If I need to debug things and I don't want to take my Archos (fm)
> apart, but is there anyway I can write the debugging output to a disk
> file -- I have been looking at the code and if I am correct it now
> writes to standard error --so is it correct if I put some init code
> to open a file and change standard error to a handle would that work?

No. All debug output is disabled by the preprocessor at compile time.
The debug output is only for the simulator of for GDB over a serial port.

Use the standard file API:

fh = open("filename.log", O_WRONLY | O_APPEND);
fprintf(fh, "Bla debug value: %d\n", 23);



Page was last modified "Jan 10 2012" The Rockbox Crew