static void hardwareInit(void)
{
/* activate pull-ups except on USB lines */
USB_CFG_IOPORT = (uchar)~((1<<USB_CFG_DMINUS_BIT)|(1<<USB_CFG_DPLUS_BIT));
/* all pins input except USB (-> USB reset) */
#ifdef USB_CFG_PULLUP_IOPORT /* use usbDeviceConnect()/usbDeviceDisconnect() if available */
USBDDR = 0; /* we do RESET by deactivating pullup */
usbDeviceDisconnect();
#else
USBDDR = (1<<USB_CFG_DMINUS_BIT)|(1<<USB_CFG_DPLUS_BIT);
#endif
/* 250 ms disconnect */
wdt_reset();
_delay_ms(250);
#ifdef USB_CFG_PULLUP_IOPORT
usbDeviceConnect();
#else
USBDDR = 0; /* remove USB reset condition */
#endif
/* USART configuration */
baud.dword = UART_DEFAULT_BPS;
stopbit = 0;
parity = 0;
databit = 8;
resetUart();
}
uchar usbFunctionWrite( uchar *data, uchar len )
{
/* SET_LINE_CODING */
baud.bytes[0] = data[0];
baud.bytes[1] = data[1];
baud.bytes[2] = data[2];
baud.bytes[3] = data[3];
stopbit = data[4];
parity = data[5];
databit = data[6];
if( parity>2 )
parity = 0;
if( stopbit==1 )
stopbit = 0;
resetUart();
return 1;
}