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Fri Jan 29 12:01:00 UTC 2016

TDI - TP8
TCK - TP17
TDO - TP16
TMS - TP18

Looking at the board from the battery compartment side with the top of the phone pointing North/Up I see at least TP17 is near the right-hand bank of test points visible from the battery compartment. From left-to-right there I see something like: TP12, TP18?, TP16?, TP17 so it looks like I have two of the TPs I need: 17 and
 18.

I can't seem to find TP6 or TP8 anywhere on the schematic.

-Craig
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<html><body><div style="color:#000; background-color:#fff; font-family:arial, helvetica, sans-serif;font-size:10pt">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.<br><br>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.<br><br>I was wrong too... it was TP16 not TP6, so I found TP16 but still haven't located TP8 on the C139 schematic.<br><br>-Craig<br><div><span><br></span></div><div><br></div>  <div style="font-family: arial, helvetica, sans-serif; font-size: 10pt;"> <div style="font-family: times new roman, new york, times, serif; font-size: 12pt;"> <div dir="ltr"> <hr size="1">  <font face="Arial" size="2"> <b><span style="font-weight:bold;">From:</span></b> Craig Comstock
 <craig_comstock at yahoo.com><br> <b><span style="font-weight: bold;">To:</span></b> "baseband-devel at lists.osmocom.org" <baseband-devel at lists.osmocom.org> <br> <b><span style="font-weight: bold;">Sent:</span></b> Thursday, October 3, 2013 9:57 AM<br> <b><span style="font-weight: bold;">Subject:</span></b> c139/c140 jtag anyone?<br> </font> </div> <div class="y_msg_container"><br><div id="yiv5755079058"><div><div style="color:#000;background-color:#fff;font-family:arial, helvetica, sans-serif;font-size:10pt;">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.<br><br>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?<br><br>From what I can gather from the
 schematics:<br>TDI - TP8<br>TCK - TP17<br>TDO - TP16<br>TMS - TP18<br><br>Looking at the board from the battery compartment side with the top of the phone pointing North/Up I see at least TP17 is near the right-hand bank of test points visible from the battery compartment. From left-to-right there I see something like: TP12, TP18?, TP16?, TP17 so it looks like I have two of the TPs I need: 17 and
 18.<br><br>I can't seem to find TP6 or TP8 anywhere on the schematic.<br><br>-Craig<br><div><br></div></div></div></div><br><br></div> </div> </div>  </div></body></html>
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