wella wrote on Wednesday, November 18, 2009:
Hello,
I am trying to compile(gcc version 4.4.1 Sourcery G++ 4.4-70, FreeRTOS v6.0.0) a project for lpc2478. However the compiler stops a produces error:
c:\Temp\ccmcATSa.s:1734: Error: missing expression - `swi’.
As I know, swi instruction should take one number parameter. If I replace #define portYIELD() __asm volatile ( “SWI” ) with #define portYIELD() __asm volatile ( “SWI 0” ), all is ok.
Could you help me what I am doing wrong?
Thank you.