[ECOS] Debug messages through serial communication port

[Trenton D. Adams]

I have the same problem.  It doesn't bother me that much so I haven't
bothered to figure out why it's happening.

I have a series of diag_printfs with cyg_thread_delays in between.  It
appears as if all the cyg_thread_delays are run through first, and then
the diag_printfs.  I don't know why this would happen, but it does.  Is
this similar to your problem?

-----Original Message-----
From: ecos-discuss-owner@sources.redhat.com
[ mailto:ecos-discuss-owner@sources.redhat.com ] On Behalf Of Cristiano
Ligieri Pereira
Sent: Wednesday, August 29, 2001 12:06 AM
To: ecos-discuss@sourceware.cygnus.com
Subject: [ECOS] Debug messages through serial communication port



Hi folks,

I'm using a bunch of diag_printf messages in order to debug my
application
running on my new XScale board port. After printing some messages the
systems freezes for a while and then continues executing. It looks like
some buffer gets full and time is taken to flush it. For a very simple
application, which basically loops forever and prints some messages
after
every tick (using cyg_thread_delay(1)) this is happening. The same
application running on the iPaq works fine (and I'm also sending
messages
through the serial in a 1 tick basis).

Any guess on what might be causing my system to freeze? Is there any
buffer in which diag_printf messages are put into?

Thanks,
Cristiano.

------------------------------------------------------------
Cristiano Ligieri Pereira - http://www.ics.uci.edu/~cpereira