using UsbRxf = reg_t<ro_t, uint8_t, 0x22200001, 1, 0>; // UsbRxf is bit 0 of the 8-bit read-only register located at address 0x22200001
using UsbTxe = reg_t<ro_t, uint8_t, 0x22200001, 1, 1>; // UsbTxe is bit 1 of the same register
using UsbFifo = reg_t<rw_t, uint8_t, 0x22100001, 8, 0>; // UsbFifo is an 8-bit read-write register located at address 0x22100001

uint8_t ReceiveByte(void)
{
	while (UsbRxf::read())
		;
	return UsbFifo::read();
}

void SendByte(uint8_t byte)
{
	while (UsbTxe::read())
		;
	UsbFifo::write(byte);
}