Re: [avr-gcc-list] Array of pointers to functions

[Russell Shaw]

Royce & Sharal Pereira wrote:
> Hi, all,
>
> I'm trying to call a function from an array, like this..
>
> char f_cnt;
>
> void fun1(void)
>     {
>         //some code
>     }
> //---------------------
> void fun2(void)
>     {
>         //some code
>     }
> //---------------------
> void fun3(void)
>     {
>         //some code
>     }
> //---------------------
>
> void (*call_fun[])() PROGMEM = { fun1, fun2, fun3};  //This puts the addresses 
> in code memory(seems
> so from the .lst file).
> //----------------------
> void main(void)
>     {
>         (*call_fun[f_cnt])();  //But here I get a 'ld' instruction. How to 
> cause an LPM instruction
> to get the function address before the 'icall' ?
>     }
> //---------------------
>
> Many Thanks,
>
> --Royce.

I'd try:

  typedef (*call_fun)(void);

  call_fun cfa[]={fun1,fun2,fun3};

  void main(void)
  {
    cfa[f_cnt]();
  }