> > Can structs be kept in program memory even when those structs include
> > strings?
> Try defining and initializing your strings (in program memory) at the top
> level, i.e. outside of the structure definition, and then using their names
> to initialize the structure.
Thanks for this suggestion. It certainly works:
#include <avr/pgmspace.h>
typedef struct
{
uint8_t x:4, y:4;
char *name;
}
Pin;
char PROGMEM _PC6[] = "PC6";
char PROGMEM _PD0[] = "PD0";
Pin PROGMEM pin[] =
{
{ 0, 0, _PC6},
{ 0, 1, _PD0},
};
int main( void)
{
while ( 1)
{
}
}
Gives:
flash: 90 bytes
RAM: 0 bytes
Is there any way make it tidier ( without declaring identifiers like _PC6)?
- neil
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