Gecko3 - CCC Event Weblog

E. Quellcode
85
{
for ( i = 0 x0000 ; i < count ; i++ )
IOB = EXTAUTODAT1; // d r i v e Port B with data from EP2 FIFO
90 GPIFIDLECTL &= 0xFE ; // b r i n g CCLK low
GPIFIDLECTL |= 0 x01 ; // b r i n g CCLK h i g h
// check f o r busy
do {
95 busy = ( (GPIFREADYSTAT & 0 x02 ) >> 1) ; // read busy b i t
i f ( busy == 1) // i f FPGA busy , t o g g l e CCLK
{
GPIFIDLECTL &= 0xFE ; // b r i n g CCLK low
GPIFIDLECTL |= 0 x01 ; // b r i n g CCLK h i g h
100 }
i f ( timer >= 61) // 61 timer o v e r f l o w s accord ca . 1 second
{
TR0 = 0 ;
break ; // t h e timeout a b o r t t h e r o u t i n e
105 }
} while ( busy == 1) ; // l oop w h i l e busy i s t r u e
}
timer = 0 ; // r e s e t timer v a l u e
SYNCDELAY;
110 EP2BCL = 0 x80 ; // rearm EP2OUT
SYNCDELAY;
}
}
GPIFIDLECTL |= 0 x06 ; // b r i n g CS B , RDWR B h i g h
115
for ( i =0; i