Testing out the PPD42 Air Quality Sensor, with an MSP430 Launchpad and graphing the data with GNUplot.
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  1. /*-------------------------------------------------------------------------
  2. | rxtx is a native interface to serial ports in java.
  3. | Copyright 1997-2004 by Trent Jarvi taj@www.linux.org.uk
  4. |
  5. | This library is free software; you can redistribute it and/or
  6. | modify it under the terms of the GNU Library General Public
  7. | License as published by the Free Software Foundation; either
  8. | version 2 of the License, or (at your option) any later version.
  9. |
  10. | This library is distributed in the hope that it will be useful,
  11. | but WITHOUT ANY WARRANTY; without even the implied warranty of
  12. | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  13. | Library General Public License for more details.
  14. |
  15. | You should have received a copy of the GNU Library General Public
  16. | License along with this library; if not, write to the Free
  17. | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  18. --------------------------------------------------------------------------*/
  19. package gnu.io;
  20. import java.io.InputStream;
  21. import java.io.OutputStream;
  22. import java.io.IOException;
  23. /**
  24. * @author Trent Jarvi
  25. * @version %I%, %G%
  26. * @since JDK1.0
  27. */
  28. /**
  29. * CommPort
  30. */
  31. public abstract class CommPort extends Object {
  32. protected String name;
  33. private final static boolean debug = false;
  34. public abstract void enableReceiveFraming( int f )
  35. throws UnsupportedCommOperationException;
  36. public abstract void disableReceiveFraming();
  37. public abstract boolean isReceiveFramingEnabled();
  38. public abstract int getReceiveFramingByte();
  39. public abstract void disableReceiveTimeout();
  40. public abstract void enableReceiveTimeout( int time )
  41. throws UnsupportedCommOperationException;
  42. public abstract boolean isReceiveTimeoutEnabled();
  43. public abstract int getReceiveTimeout();
  44. public abstract void enableReceiveThreshold( int thresh )
  45. throws UnsupportedCommOperationException;
  46. public abstract void disableReceiveThreshold();
  47. public abstract int getReceiveThreshold();
  48. public abstract boolean isReceiveThresholdEnabled();
  49. public abstract void setInputBufferSize( int size );
  50. public abstract int getInputBufferSize();
  51. public abstract void setOutputBufferSize( int size );
  52. public abstract int getOutputBufferSize();
  53. public void close()
  54. {
  55. if (debug) System.out.println("CommPort:close()");
  56. try
  57. {
  58. CommPortIdentifier cp =
  59. CommPortIdentifier.getPortIdentifier(this);
  60. if ( cp != null )
  61. cp.getPortIdentifier(this).internalClosePort();
  62. }
  63. catch (NoSuchPortException e)
  64. {
  65. }
  66. };
  67. public abstract InputStream getInputStream() throws IOException;
  68. public abstract OutputStream getOutputStream() throws IOException;
  69. public String getName()
  70. {
  71. if (debug) System.out.println("CommPort:getName()");
  72. return( name );
  73. }
  74. public String toString()
  75. {
  76. if (debug) System.out.println("CommPort:toString()");
  77. return( name );
  78. }
  79. }