Gecko3 - CCC Event Weblog

E.1. Firmware
EP0CS |= bmHSNAK; ∗/ // Acknowledge handshake phase o f d e v i c e
r e q u e s t
321 break ;
}
case FLASH WRITE:
{
s p i f l a s h w r i t e m o d e = TRUE; // s e t EEPROME w r i t e mode
326 ∗EP0BUF = EEPROM READ; // 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 ;
331 }
case FLASH READ:
{
s p i f l a s h r e a d m o d e = TRUE; // s e t EEPROME w r i t e mode
∗EP0BUF = EEPROM READ; // l o o p b a c k from vendor command
336 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 ;
}
341 case DOWNLOADOK:
{
// SPI Flash d e f a u l t c o n f i g
new cfg = 1 ;
s p i f l a s h a d r e s s = 0 ;
346 // EEPROM d e f a u l t c o n f i g
eeprom adress = 0 ; // c l e a r a d r e s s v a l u e
eeprom write mode = FALSE;
∗EP0BUF = DOWNLOADOK; // l o o p b a c k from vendor command
351 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 ;
}
356 case FW VERSION:
{
EP0BUF [ 0 ] = f w v e r d i g i t 0 ; // l o o p b a c k from vendor command
EP0BUF [ 1 ] = f w v e r d i g i t 1 ;
EP0BUF [ 2 ] = f w v e r d i g i t 2 ;
361 EP0BUF [ 3 ] = f w v e r d i g i t 3 ;
EP0BCH = 0 ;
EP0BCL = 4 ; // 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 ;
366 }
case DONE REQ:
{
i f ( done ack == TRUE)
{
371 done ack = FALSE ;
∗EP0BUF = DONE REQ;
} else
{
∗EP0BUF = 0 ;
376 }
EP0BCH = 0 ;
EP0BCL = 1 ;
EP0CS |= bmHSNAK;
break ;
381 }
default :
return (TRUE) ;
}
Project Report 69