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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>Trouble With the System Clock</title><link>https://community.arm.com/developer/ip-products/processors/f/cortex-m-forum/47619/trouble-with-the-system-clock</link><description> Hello, 
 I&amp;#39;m new to embedded systems programming, with plenty of previous experience working with Programmable Logic Controllers and I&amp;#39;m trying to branch out. I recently acquired an STM32F407 discovery board and have been trying to work with it in an</description><dc:language>en-US</dc:language><generator>Telligent Community 10</generator><item><title>RE: Trouble With the System Clock</title><link>https://community.arm.com/thread/167503?ContentTypeID=1</link><pubDate>Wed, 16 Sep 2020 13:00:07 GMT</pubDate><guid isPermaLink="false">dd9e70c8-6d3c-4c71-b136-2456382a7b5c:b344e618-cc26-4791-a412-452ece60cef6</guid><dc:creator>Andy Neil</dc:creator><description>[quote userid="68830" url="~/developer/ip-products/processors/f/cortex-m-forum/47619/trouble-with-the-system-clock"]a large chunk of my program was copied from other sources[/quote]
&lt;p&gt;Randomly copying stuff from unknown sources&amp;nbsp;is probably not a great way to learn.&lt;/p&gt;
&lt;p&gt;I would suggest a more structured approach.&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>RE: Trouble With the System Clock</title><link>https://community.arm.com/thread/167495?ContentTypeID=1</link><pubDate>Wed, 16 Sep 2020 09:14:26 GMT</pubDate><guid isPermaLink="false">dd9e70c8-6d3c-4c71-b136-2456382a7b5c:f8270b54-cd6f-4836-9faa-e25897f1621f</guid><dc:creator>Bill Westfeild</dc:creator><description>&lt;p&gt;It looks like the HAL Delay code uses the systick timer and interrupt, but expects you to provide the ISR that calls the update code, so ending up in the default handler for Systick would be expected...&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>RE: Trouble With the System Clock</title><link>https://community.arm.com/thread/167466?ContentTypeID=1</link><pubDate>Mon, 14 Sep 2020 08:43:33 GMT</pubDate><guid isPermaLink="false">dd9e70c8-6d3c-4c71-b136-2456382a7b5c:742f0c66-6770-49e0-a70d-4479ad718501</guid><dc:creator>Andy Neil</dc:creator><description>[quote userid="68830" url="~/developer/ip-products/processors/f/cortex-m-forum/47619/trouble-with-the-system-clock"]I&amp;#39;m new to embedded systems programming[/quote]
&lt;p&gt;Some training / getting started resources here:&lt;/p&gt;
&lt;p&gt;&lt;a href="https://community.arm.com/developer/tools-software/tools/f/keil-forum/35918/not-able-to-see-variables-in-memory-window/109675#109675"&gt;community.arm.com/.../109675&lt;/a&gt;&lt;/p&gt;
&lt;p&gt;&lt;/p&gt;
&lt;p&gt;&lt;img alt=" " src="/resized-image/__size/320x240/__key/communityserver-discussions-components-files/469/7801._5F00_Insert-Code-_2D00_-Nordic-2.png" /&gt;&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item></channel></rss>