I am trying to make a s-function in my simulation. it consists of a c program. I have put this c program in matlab folder.But the simulation shows error and says that such a c program does not exist. s function does not allow us to specify the path name

S- function does not allow to specify the path name of the c file which it is supposed to identify during simulation. Where am I supposed to place the c program for the s function to identify.

Answer 1

[Jarrod Rivituso]

Hmm... if you are writing an S-function by hand, then you should be able to add your other source files when you build it

>> mex file1.c file2.c

Lots more info here:

http://www.mathworks.com/help/techdoc/ref/mex.html

If you are new to S-functions and you just want to call your C function from a Simulink block, might I suggest you check out the Legacy Code Tool:

http://www.mathworks.com/help/toolbox/simulink/sfg/bq4g1es-1.html

Hope this helps!