Thanks for all, but I received some error in the compiling:
"In file included from ...\Arduino\libraries\DueFlash/flash_efc.h:48,
from ...\Arduino\libraries\DueFlash/DueFlash.h:29,
from Due9150.ino:5:
...\Arduino\libraries\DueFlash/efc.h:116: error: 'Efc' was not declared in this scope
...\Arduino\libraries\DueFlash/efc.h:116: error: 'p_efc' was not declared in this scope
....\Arduino\libraries\DueFlash/efc.h:116: error: expected primary-expression before 'ul_access_mode'
....\Arduino\libraries\DueFlash/efc.h:116: error: expected primary-expression before 'ul_fws'"
and on, and on, and on...
How can I fix the problems? so much thanks. 