I cracked open the shield on my C139 and didn't see the TPs I expected from the
schematic. I thought maybe the angle of the photo on osmocom hid the TPs but it really
didn't.
I'll try my C115 instead since that is more clear and accessible. Flashing hello_world
on my C115 seemed to fail in a similar fashion as it does on my C139 so maybe the same
issue exists there.
I was wrong too... it was TP16 not TP6, so I found TP16 but still haven't located TP8
on the C139 schematic.
-Craig
________________________________
From: Craig Comstock <craig_comstock(a)yahoo.com>
To: "baseband-devel(a)lists.osmocom.org" <baseband-devel(a)lists.osmocom.org>
Sent: Thursday, October 3, 2013 9:57 AM
Subject: c139/c140 jtag anyone?
I'm at the point w/ flashing firmware where I feel like I need to use a debugger w/
JTAG. I figured I could probably use serial line logging somehow but JTAG seems better and
I should learn it anyway.
Has anyone pried open the shield on a c139/c140 and tried attaching to the JTAG test
points that are just inside the shield next to the test points which are accessible via
the battery compartment?