Re: [avr-gcc-list] How define a function pointer array in program memory?

[Christian Ludlam]

On 23 Feb Artur Lipowski wrote:

> Try this:
> typedef void (*FPtr)(void);
> FPtr Key_Protab[] = { keypro1, keypro2, keypro3 };
> 
> and call:
> Key_Protab[functionID]();
> 
> BTW> Your question has nothing in common to AVR-GCC, answer can be found
> reading any book about a C language.

It is specific to AVR-GCC, because the question was how to put such a table
in program memory. In that case you need to

  typedef void (*FPtr)(void);  
  FPtr Key_Protab[] PROGMEM = { keypro1, keypro2, keypro3 };
  
and to call,

  FPtr ptr = (FPtr) pgm_read_word(&Key_Protab[functionID]);  
  ptr();
  
-- 
Christian Ludlam
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