IRS232Handler.java

/*
  IRS232Handler.java

  (c) 2014 Ed Swartz

  All rights reserved. This program and the accompanying materials
  are made available under the terms of the Eclipse Public License v1.0
  which accompanies this distribution, and is available at
  http://www.eclipse.org/legal/epl-v10.html
 */
package v9t9.common.dsr;



/**
 * This interface provides the backend for an emulated RS232 port.
 * @author ejs
 *
 */
public interface IRS232Handler {
	
	public enum Stop {
		STOP_1_5,
		STOP_2,
		STOP_1
	}
	
	public enum Parity {
		NONE,
		ODD,
		EVEN
	}
	
	public enum DataSize {
		FIVE,
		SIX,
		SEVEN,
		EIGHT
	}
	
	void addListener(IRS232Listener listener);
	void removeListener(IRS232Listener listener);
	
	/**
	 * Update control parameters
	 * @param dataSize
	 * @param parity
	 * @param stop
	 */
	void updateControl(DataSize dataSize, Parity parity, Stop stop);

	/**
	 * Update transmit rate
	 */
	void setTransmitRate(int bps);
	/**
	 * Update receive rate
	 */
	void setReceiveRate(int bps);
	
	/**
	 * Transmit characters from the transmit buffer 
	 */
	void transmitChars(IOBuffer buf);

}