void USBDevice_::attach()
{
_usbConfiguration = 0;
_usbCurrentStatus = 0;
_usbSuspendState = 0;
USB_ClockEnable();
UDINT &= ~((1<<WAKEUPI) | (1<<SUSPI)); // clear already pending WAKEUP / SUSPEND requests
UDIEN = (1<<EORSTE) | (1<<SOFE) | (1<<SUSPE); // Enable interrupts for EOR (End of Reset), SOF (start of frame) and SUSPEND
TX_RX_LED_INIT;
}
void USBDevice_::attach()
{
_usbConfiguration = 0;
_usbCurrentStatus = 0;
_usbSuspendState = 0;
USB_ClockEnable();
UDINT &= ~((1<<WAKEUPI) | (1<<SUSPI)); // clear already pending WAKEUP / SUSPEND requests
UDIEN = (1<<EORSTE) | (1<<SOFE) | (1<<SUSPE); // Enable interrupts for EOR (End of Reset), SOF (start of frame) and SUSPEND
TX_RX_LED_INIT;
#if MAGIC_KEY_POS != (RAMEND-1)
if (pgm_read_word(FLASHEND - 1) == NEW_LUFA_SIGNATURE) {
_updatedLUFAbootloader = true;
}
#endif
}
bool USBDevice_::wakeupHost()
{
// clear any previous wakeup request which might have been set but could be processed at that time
// e.g. because the host was not suspended at that time
UDCON &= ~(1 << RMWKUP);
if(!(UDCON & (1 << RMWKUP))
&& (_usbSuspendState & (1<<SUSPI))
&& (_usbCurrentStatus & FEATURE_REMOTE_WAKEUP_ENABLED))
{
// This short version will only work, when the device has not been suspended. Currently the
// Arduino core doesn't handle SUSPEND at all, so this is ok.
USB_ClockEnable();
UDCON |= (1 << RMWKUP); // send the wakeup request
return true;
}
return false;
}
