ComPort Opens a serial port and handles all interrupts and asynchronous events for that serial port, including transmission, reception, and control (see also SerialStream).
SerBreak Sends a break character to a serial port.
SerCheck Returns the immediate or cumulative serial port status.
SerialStream Returns a serial stream that can be used in any of the serial port functions or with any of the stream functions (see also ComPort).
SerIn Returns the next byte in the receive buffer.
SerLen Returns the number of bytes currently in the receive or transmit buffers.
SerOut Sends a byte to the transmit buffer.
SerRcv Returns a buffer containing a string read from the receive buffer.
SerRTS Sets or clears the RTS line on a serial communication port.
SerSend Writes a string to the transmit buffer and returns the number of bytes written.
SerStrEsc Reads the receive buffer until an escape code is encountered and returns the final offset in the buffer.
SerString Reads the receive buffer until a string is encountered and returns the final offset in the buffer.
SerWait Returns true when the receive buffer is a specified length.
TCPIPReset Shuts down and resets all TCP/IP functions.