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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>fail to compile GPIO example</title><link>https://community.arm.com/developer/tools-software/tools/f/keil-forum/33321/fail-to-compile-gpio-example</link><description> 
Hi all, I have a STM32F446RE. To learn how the GPIO works with
standard periph library, I download the eample GPIO_IOToggle, but
that code doesn&amp;#39;t compile, so many errors. From the readme.txt, it
seems that the code didn&amp;#39;t test on F446x, that may need</description><dc:language>en-US</dc:language><generator>Telligent Community 10</generator><item><title>RE: fail to compile GPIO example</title><link>https://community.arm.com/thread/64471?ContentTypeID=1</link><pubDate>Thu, 30 Jun 2016 12:26:35 GMT</pubDate><guid isPermaLink="false">dd9e70c8-6d3c-4c71-b136-2456382a7b5c:0b5cd1e0-f29d-4a94-9a89-c623755200f5</guid><dc:creator>Yuriy Demchenko</dc:creator><description>&lt;p&gt;&lt;p&gt;
I had the same problem when I used #define STM32F401xx in
stm32f4xx.h file. Use #define STM32F40_41xxx to get rid of this
problem.&lt;/p&gt;
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