topic Inline function __asm in LPC Microcontrollers https://community.nxp.com/t5/LPC-Microcontrollers/Inline-function-asm/m-p/548209#M13610 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by bojana.djukic on Tue Jul 29 03:20:04 MST 2014</STRONG><BR /><SPAN>I want from my C code to read value of PC, an for that I want write inline __asm function. I wrote this</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; int Get_Add(void)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; {</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; int Add;</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; __asm { mov Add, PC}</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; return Adresa;</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }</SPAN><BR /><SPAN> </SPAN><BR /><SPAN>But I got error message "Glavni.c(22): error:&nbsp; #20: identifier "PC" is undefined"</SPAN><BR /><SPAN>Could anybody help me, do I need to include some library?</SPAN></BODY></HTML> Wed, 15 Jun 2016 19:49:25 GMT lpcware 2016-06-15T19:49:25Z Inline function __asm https://community.nxp.com/t5/LPC-Microcontrollers/Inline-function-asm/m-p/548209#M13610 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by bojana.djukic on Tue Jul 29 03:20:04 MST 2014</STRONG><BR /><SPAN>I want from my C code to read value of PC, an for that I want write inline __asm function. I wrote this</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; int Get_Add(void)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; {</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; int Add;</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; __asm { mov Add, PC}</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; return Adresa;</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }</SPAN><BR /><SPAN> </SPAN><BR /><SPAN>But I got error message "Glavni.c(22): error:&nbsp; #20: identifier "PC" is undefined"</SPAN><BR /><SPAN>Could anybody help me, do I need to include some library?</SPAN></BODY></HTML> Wed, 15 Jun 2016 19:49:25 GMT https://community.nxp.com/t5/LPC-Microcontrollers/Inline-function-asm/m-p/548209#M13610 lpcware 2016-06-15T19:49:25Z