Gecko3 - CCC Event Weblog

E. Quellcode
EP0BCH = 0 ;
261 EP0BCL = 1 ;
return (TRUE) ; // Handled by user code
}
BOOL DR GetStatus ( void )
266 {
return (TRUE) ;
}
BOOL DR ClearFeature ( void )
271 {
return (TRUE) ;
}
BOOL DR SetFeature ( void )
276 {
return (TRUE) ;
}
#define FPGA CFG 0xC1 // vendor r e q u e s t f o r FPGA c o n f i g u r a t i o n mode
281 #define EEPROM WRITE 0xC2 // vendor r e q u e s t l o a d firmware in EEPROM
#define EEPROM READ 0xC3 // vendor r e q u e s t read firmware from EEPROM, v a l u e in
EP0 i s number o f b y t e s to read
#define FLASH WRITE 0xC4 // vendor r e q u e s t l o a d FPGA c o n f i g u r a t i o n in SPI Flash ,
v a l u e in EP0 i s c o n f i g u r a t i o n p a r t (0 or 1) −−−−>> to do
#define FLASH READ 0xC5 // vendor r e q u e s t read FPGA c o n f i g u r a t i o n from SPI
Flash
#define DOWNLOADOK 0xC6 // vendor r e q u e s t f o r complete data t r a n s f e r
286 //#d e f i n e GPIF READ 0xC9 // e n a b l e IN t r a n s f e r s f o r GPIF communication
#define FW VERSION 0xB1 // g e t firmware v e r s i o n
#define DONE REQ 0xB2 // g e t DONE b i t from FPGA
BOOL DR VendorCmnd( void )
291 {
switch (SETUPDAT[ 1 ] )
{
case FPGA CFG:
{
296 fpga cfg m ode = TRUE; // s e t FPGA c o n f i g u r a t i o n mode
∗EP0BUF = FPGA CFG; // l o o p b a c k from vendor command
EP0BCH = 0 ;
EP0BCL = 1 ; // Arm endpoint with # b y t e s to t r a n s f e r
EP0CS |= bmHSNAK; // Acknowledge handshake phase o f d e v i c e r e q u e s t
301 break ;
}
case EEPROM WRITE:
{
eeprom write mode = TRUE; // s e t EEPROME w r i t e mode
306 ∗EP0BUF = EEPROM WRITE; // l o o p b a c k from vendor command
EP0BCH = 0 ;
EP0BCL = 1 ; // Arm endpoint with # b y t e s to t r a n s f e r
EP0CS |= bmHSNAK; // Acknowledge handshake phase o f d e v i c e r e q u e s t
break ;
311 }
case EEPROM READ:
{
e e p r o m r e a d s t a t e = i n i t ; // s e t i n i t i a t i o n s t a t e
EP0BCL = 0 ; // re−arm EP0
316 while (EP01STAT & bmEP0BSY) ; // wait u n t i l EP0 i s a v a i l a b l e to be
a c c e s s e d by CPU
r e a d c o u n t = EP0BUF [ 0 ] ; // read high b y t e number o f b y t e s to read
r e a d c o u n t = ( r e a d c o u n t