Re: [avr-gcc-list] Constatnts in .data section

[Reza Naima]

#include <avr/pgmspace.h>

typedef uint16_t prog_uint16 PROGMEM;
const static prog_uint16 mm_days[12] = {...}

....

foo =  pgm_read_word( &mm_days[i] );


or something like that..

Reza


Alex Kholodenko wrote:

> Hello,
> I have in my code some constants like this one for example:
> const static uint16_t mm_days[12]=
> { 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334 };
>  
> As far as I can see it will be placed in .data section in RAM after 
> init. I would prefer to have it in flash memory and not to spend RAM 
> for it. I can afford speed reduction in access to this area. So how 
> can I force gcc to do it if it is possible.
>  
> Thanks. Alex.
> I'm not a member of the list so please take care to "reply all"
>
>  
>
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