Re: [avr-gcc-list] Pointer to a function in a structure in flash?

[Bob Paddock]

> I'm not sure what to make of your response.
> When you say "command", do you mean "function"? As only
> functions take parameters.

The code I'm working on is part of a command parser, and it is very similar
to the Menu code that Ted posted.

> And when did "searching the table" come into the picture?
> How are you doing this search? etc.

#define STRCMP(x,y) strcmp_P( x, (PGM_P) pgm_read_word( &y ) )/* for GCC */

Below 'token' is from strtok() RAM buffer with what you typed like "Baud 
1200".

    for( i = 0; i < COMMANDS_AVAILABLE; ++i )
        {/* If find a table match then call that function */
            if( !STRCMP( (const char *) token , cmd_func_table[i].command ) )
                {
...
                /* Call the function from the function table */
                #if defined( __IAR__ )
		    retval = ( *(cmd_func_table[i].function) )( (char const *) token, 
(char const *) tokptr );
                #endif
                #if defined( __GCC_VERSION__ )
		    retval = 
(*((functype_t)(pgm_read_word(&cmd_func_table[i].function))))((char const 
*)token, 		(char const *)tokptr);
                #endif
...
            }
      }

Keep in mind this is code that is working fine with IAR.