int main( void )
{
cli();
setup_clock();
InitBuffer(&ab);
//Don't touch any PORTB below 4, those are for printf
// SetupPrintf();
USB_ZeroPrescaler();
USB_Init();
DDRC = 0x0;
SPI_MasterInit();
// _delay_ms(10); //wait for tiny 44 to be ready for data
// setup_timers();
setup_channel_interrupt();
DDRD |= _BV(PD6);
sei();
// testAsm();
// if (testPtr == 'w') PORTD |= _BV(PD6);
while(1)
{
UENUM = 4; //interrupts can change this
//these if statements can take a bit of time so run them and save the
//result for future use
if ( USB_READY(UEINTX) && (BytesFree(&ab) >= 8) )
dataState=1;
else if ( BytesUsed(&ab) >= 2)
dataState=2;
else
dataState=0;
while (needAudioFlag==0);
cli();
needAudioFlag=0;
DoAudioState();
sei();
}
return 0;
}
/*! Finds a good split index for an insertion of \a bytesNeeded bytes at
index \a index.
*/
int32
DirEntryBlock::FindSplitIndex(int32 index, size_t bytesNeeded) const
{
size_t splitSize = (BytesUsed() + bytesNeeded) / 2;
int32 entryCount = EntryCount();
for (int32 i = 0; i < entryCount; i++) {
size_t bytesUsed = BytesUsedFor(i + 1);
if (i == index)
bytesUsed += bytesNeeded;
if (bytesUsed > splitSize)
return i;
}
// This should never happen.
return entryCount;
}
size_t
DirEntryBlock::FreeSpace() const
{
return fBlockSize - BytesUsed();
}
