Gecko3 - CCC Event Weblog

E.2. Loopback Core
67
// reads t h e l a s t b y t e from a b l o c k and t e r m i n a t e s t h e b l o c k r e a d
byte lastBlockRead ( ) ;
// e r a s e s t h e s e c t o r in wich t h e g i v e n a d r e s s i s
72 void s e c t o r E r a s e ( long a d r e s s ) ;
// e r a s e s t h e whole f l a s h
void bulkErase ( ) ;
77 // w r i t e s a 256 b y t e l o n g array to t h e a d r e s s e d page
void pageProgram ( long adress , byte ∗ c o n t e n t a r r a y ) ;
82
// page program f u n t i o n s to f i l l t h e page i t e r a t i v e
void startPageProgram ( long adress , byte content ) ;
void writePageProgram ( byte content ) ;
void lastPageProgram ( byte content ) ;
/∗ ∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗
∗ Diplomwork :
∗ Gecko3 SoC HW/SW Development Board
∗
5 ∗ ( ‘ \ ( ) ( ) ( )
∗ | ( ) ) | ( | | | | Berne U n i v e r s i t y o f Applied S c i e n c e s
∗ | < ’| ) | | School o f Engineering and
∗ | ( ) ) | | | | | | Information Technology
∗ ( / ’( ) ( ) ( )
10 ∗
∗
∗ Author : Matthias Zurbrügg
∗ Date o f c r e a t i o n : 30.10.2006
∗ D e s c r i p t i o n :
15 ∗ Header with f u n c t i o n p r o t o t y p e s o f SPI Flash read / w r i t e and t h e
∗ a u t o c o n f i g u r a t i o n
∗
∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗ ∗/
20 // i n i t i a l i s a t i o n f o r SPI Flash communication
void s p i f l a s h i n i t ( void ) ;
25
// SPI Flash w r i t e f u n c t i o n
void s p i f l a s h w r ( void ) ;
// SPI Flash read f u n c t i o n
void s p i f l a s h r d ( void ) ;
// Booload f u n c t i o n t h a t c o n f i g u r e t h e FPGA from SPI Flash
30 void b o o t l o a d c f g ( void ) ;
E.2. Loopback Core
E.2.1. Top
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−− Diplomwork :
−− Gecko3 SoC HW/SW Development Board
−−
5 −− ( ‘ \ ( ) ( ) ( )
−− | ( ) ) | ( | | | | Berne U n i v e r s i t y o f Applied S c i e n c e s
−− | < ’| ) | | School o f Engineering and
Project Report 95