if (!(ReceivedByte < 0) && !(RingBuffer_IsFull(&USBtoUSART_Buffer)))
RingBuffer_AtomicInsert(&USBtoUSART_Buffer, (uint8_t)ReceivedByte);
if (!(ReceivedByte < 0) && !(RingBuffer_IsFull(&USBtoUSART_Buffer)))
RingBuffer_AtomicInsert(&USBtoUSART_Buffer, (uint8_t)ReceivedByte);