MPC5xxx中的主题 Re: How to access macro variable to an asm function in mpc5746 https://community.nxp.com/t5/MPC5xxx/How-to-access-macro-variable-to-an-asm-function-in-mpc5746/m-p/638021#M6205 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P></P><P>you can't do that. It is not possible to put C expression to asm code. You can do that only if it is pure number like:</P><P>#define STATUS_VAR 0x40008025U</P><P></P><P>Regards,</P><P>Lukas</P></BODY></HTML> Tue, 04 Apr 2017 04:47:22 GMT lukaszadrapa 2017-04-04T04:47:22Z How to access macro variable to an asm function in mpc5746 https://community.nxp.com/t5/MPC5xxx/How-to-access-macro-variable-to-an-asm-function-in-mpc5746/m-p/638020#M6204 <HTML><HEAD></HEAD><BODY><P>How&nbsp;to access the following macro to my inline-asm function, and to store 32 bit value to that location</P><P></P><P><SPAN style="color: #000000; font-size: small; font-family: 'Segoe UI';">#define STATUS_VAR&nbsp;(*(volatile uint32_t*)0x40008025u)</SPAN></P><P></P><P></P><P><SPAN style="color: #000000; font-size: small; font-family: 'Segoe UI';"><SPAN style="color: #000000; font-size: small; font-family: 'Segoe UI';">asm void testFunc(void)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </SPAN> <BR /><SPAN style="color: #000000; font-size: small; font-family: 'Segoe UI';">{</SPAN><SPAN lang="en-us"> </SPAN></SPAN></P><P></P><P><SPAN style="color: #000000; font-size: small; font-family: 'Segoe UI';">-------</SPAN></P><P><SPAN style="color: #000000; font-size: small; font-family: 'Segoe UI';">-------<BR /><SPAN style="color: #000000; font-size: small; font-family: 'Segoe UI';">}</SPAN></SPAN></P></BODY></HTML> Mon, 03 Apr 2017 07:01:03 GMT https://community.nxp.com/t5/MPC5xxx/How-to-access-macro-variable-to-an-asm-function-in-mpc5746/m-p/638020#M6204 renjithr 2017-04-03T07:01:03Z Re: How to access macro variable to an asm function in mpc5746 https://community.nxp.com/t5/MPC5xxx/How-to-access-macro-variable-to-an-asm-function-in-mpc5746/m-p/638021#M6205 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P></P><P>you can't do that. It is not possible to put C expression to asm code. You can do that only if it is pure number like:</P><P>#define STATUS_VAR 0x40008025U</P><P></P><P>Regards,</P><P>Lukas</P></BODY></HTML> Tue, 04 Apr 2017 04:47:22 GMT https://community.nxp.com/t5/MPC5xxx/How-to-access-macro-variable-to-an-asm-function-in-mpc5746/m-p/638021#M6205 lukaszadrapa 2017-04-04T04:47:22Z