https://devzone.nordicsemi.com/f/nordic-q-a/10907/nrf5x-mdk-gcc-compile-by-codeblocksi want to use codeblocks to compile and download program to nrf51422 so i try to compile example in keil/ARM by codeblocks then it always show up error like this &quot; C:\Keil\ARM\Examples\Hello\Hello.c|17| fatal error: stm32f10x.h: No such file or directoryen-USTelligent Community 13Fri, 18 Dec 2015 09:44:00 GMThttps://devzone.nordicsemi.com/thread/40779?ContentTypeID=1Fri, 18 Dec 2015 09:44:00 GMT137ad170-7792-4731-bb38-c0d22fbe4515:39116e8e-9a5e-4678-bb59-7d6a21bb92a0Alex<p>i found that i used the example &quot;ble_app_hrs_c&quot; from sdk7.2<br /> but it also can not work</p> <p>why keil can works but codeblocks can&#39;t</p> <p>and how to use &quot;nrf5x-MDK-GCC&quot; which download from nordic its a ZIP not likes &quot;nrf5x-MDK-KIEL.exe&quot;</p> <p>so what should i do to connect codeblocks and all hex i need</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/40778?ContentTypeID=1Thu, 17 Dec 2015 02:50:42 GMT137ad170-7792-4731-bb38-c0d22fbe4515:97f0d462-775b-410f-aed2-f9c7bd597fe3RK<p>err stm32f10x.h is an ST Microelectronics header file for the stm32f10x chip. Obviously you can&#39;t compile an example for a STM chip for a nordic .. what is this &#39;Hello&#39; thing you&#39;re trying to compile.</p><div style="clear:both;"></div>