topic LPC54102 reading GPIO pins in LPC Microcontrollers https://community.nxp.com/t5/LPC-Microcontrollers/LPC54102-reading-GPIO-pins/m-p/597306#M23097 <HTML><HEAD></HEAD><BODY><P>Hey guys!</P><P></P><P>I am working on an embedded project and am relatively new to the mc world, so go easy.&nbsp; I'd ask my teacher but he is of the "you only learn it if you teach yourself" mentality...</P><P></P><P>Anyway, this is an independent study project and is only loosely related to school, so don't feel as if there is any sort of cheating going on.</P><P></P><P>We are using a LPC 54102 board and I am working on getting digital in/out working.&nbsp; I can send any of my arduino shield pins HIGH/LOW no problem, but I am having a problem reading from them.&nbsp; Here is what I have:</P><P></P><P><A href="http://pastebin.com/N0iqYhFM">My functions</A>​</P><P><A href="http://pastebin.com/sd7N6tPu">My main</A>​</P><P>Lines 57 and 58 are basically debugging tests, but I still don't know why my pinState is always getting flagged to true when I call digitalRead()</P><P></P><P>Any pointers would be amazing!</P></BODY></HTML> Tue, 16 Aug 2016 01:18:54 GMT juliancrouch 2016-08-16T01:18:54Z LPC54102 reading GPIO pins https://community.nxp.com/t5/LPC-Microcontrollers/LPC54102-reading-GPIO-pins/m-p/597306#M23097 <HTML><HEAD></HEAD><BODY><P>Hey guys!</P><P></P><P>I am working on an embedded project and am relatively new to the mc world, so go easy.&nbsp; I'd ask my teacher but he is of the "you only learn it if you teach yourself" mentality...</P><P></P><P>Anyway, this is an independent study project and is only loosely related to school, so don't feel as if there is any sort of cheating going on.</P><P></P><P>We are using a LPC 54102 board and I am working on getting digital in/out working.&nbsp; I can send any of my arduino shield pins HIGH/LOW no problem, but I am having a problem reading from them.&nbsp; Here is what I have:</P><P></P><P><A href="http://pastebin.com/N0iqYhFM">My functions</A>​</P><P><A href="http://pastebin.com/sd7N6tPu">My main</A>​</P><P>Lines 57 and 58 are basically debugging tests, but I still don't know why my pinState is always getting flagged to true when I call digitalRead()</P><P></P><P>Any pointers would be amazing!</P></BODY></HTML> Tue, 16 Aug 2016 01:18:54 GMT https://community.nxp.com/t5/LPC-Microcontrollers/LPC54102-reading-GPIO-pins/m-p/597306#M23097 juliancrouch 2016-08-16T01:18:54Z Re: LPC54102 reading GPIO pins https://community.nxp.com/t5/LPC-Microcontrollers/LPC54102-reading-GPIO-pins/m-p/597307#M23098 <HTML><HEAD></HEAD><BODY><P>Sorry, just a quick look. You configure 0.6 and read from 0.8?</P><P>Otherwise please check if the used functions parameters are correct.</P></BODY></HTML> Tue, 16 Aug 2016 18:14:41 GMT https://community.nxp.com/t5/LPC-Microcontrollers/LPC54102-reading-GPIO-pins/m-p/597307#M23098 martin_maurer 2016-08-16T18:14:41Z Re: LPC54102 reading GPIO pins https://community.nxp.com/t5/LPC-Microcontrollers/LPC54102-reading-GPIO-pins/m-p/597308#M23099 <HTML><HEAD></HEAD><BODY><P>Yeah, I fixed that shortly after making the post, so assume that this is the new file</P><P></P><P><A href="http://pastebin.com/zJC7Zabn">Revised Main</A>​</P></BODY></HTML> Tue, 16 Aug 2016 21:48:31 GMT https://community.nxp.com/t5/LPC-Microcontrollers/LPC54102-reading-GPIO-pins/m-p/597308#M23099 juliancrouch 2016-08-16T21:48:31Z