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<?xml-stylesheet type="text/xsl" href="https://community.arm.com/utility/feedstylesheets/rss.xsl" media="screen"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/" xmlns:wfw="http://wellformedweb.org/CommentAPI/"><channel><title>Can&amp;#39;t get printf() from J-Link</title><link>https://community.arm.com/developer/tools-software/tools/f/keil-forum/29614/can-t-get-printf-from-j-link</link><description> 
I have a j-link and basic &amp;quot;hello world&amp;quot; Keil project on an
STM32F407 board. It&amp;#39;s in SWD. 

 
The J-Link programs just fine, and can halt on Breakpoints and
reads back register values. 

 
However, I can&amp;#39;t get anything from a printf(), and I tried to</description><dc:language>en-US</dc:language><generator>Telligent Community 10</generator><item><title>RE: Can't get printf() from J-Link</title><link>https://community.arm.com/thread/61644?ContentTypeID=1</link><pubDate>Thu, 07 Feb 2013 23:27:32 GMT</pubDate><guid isPermaLink="false">dd9e70c8-6d3c-4c71-b136-2456382a7b5c:74a9d968-9f3f-4ab1-884e-01637de47ded</guid><dc:creator>Danny Miller</dc:creator><description>&lt;p&gt;&lt;p&gt;
Hmm... updated the software (well, reinstalled, I think it was
already this version) and now it suddenly stopped hanging on the
ITM-&amp;gt;PORT[0].u32 check. But still, there&amp;#39;s no output in the Debug
(printf) Viewer window.&lt;/p&gt;
&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item></channel></rss>