inline static int isFrameEndNMEA(int port) { return (peekHead(&uartbuf[port],-1)==frameEnd[port]); }
inline static int isFrameEndSiRF(int port) { return (peekHead(&uartbuf[port],-1)==0xB3 && peekHead(&uartbuf[port],-2)==0xB0); }
// Method to examine the top item on the stack TCListNode* top() const { return peekHead(); };