Package twisted :: Package protocols :: Package gps :: Module nmea :: Class NMEAReceiver
[show private | hide private]
[frames | no frames]

Class NMEAReceiver

BaseProtocol --+        
               |        
        Protocol --+    
                   |    
        LineReceiver --+
                       |
                      NMEAReceiver


This parses most common NMEA-0183 messages, presumably from a serial GPS device at 4800 bps
Method Summary
  connectionFailed(self)
(Deprecated) (inherited from Protocol)
  connectionLost(self, reason)
Called when the connection is shut down. (inherited from Protocol)
  connectionMade(self)
Called when a connection is made. (inherited from BaseProtocol)
  dataReceived(self, data)
Protocol.dataReceived. (inherited from LineReceiver)
  decode_activesatellites(self, mode1, mode2, *args)
  decode_fix(self, utc, latitude, ns, longitude, ew, posfix, satellites, hdop, altitude, altitude_units, geoid_separation, geoid_separation_units, dgps_age, dgps_station_id)
  decode_position(self, latitude, ns, longitude, ew, utc, status)
  decode_positiontime(self, utc, status, latitude, ns, longitude, ew, speed, course, utcdate, magvar, magdir)
  lineLengthExceeded(self, line)
Called when the maximum line length has been reached. (inherited from LineReceiver)
  lineReceived(self, line)
Override this for when each line is received.
  makeConnection(self, transport)
Make a connection to a transport and a server. (inherited from BaseProtocol)
  rawDataReceived(self, data)
Override this for when raw data is received. (inherited from LineReceiver)
  sendLine(self, line)
Sends a line to the other end of the connection. (inherited from LineReceiver)
  setLineMode(self, extra)
Sets the line-mode of this receiver. (inherited from LineReceiver)
  setRawMode(self)
Sets the raw mode of this receiver. (inherited from LineReceiver)
  _decode_latlon(self, latitude, ns, longitude, ew)
  _decode_utc(self, utc)

Class Variable Summary
int convert_dates_before_y2k
string delimiter
dictionary dispatch
int ignore_checksum_mismatch
int ignore_invalid_sentence
int ignore_unknown_sentencetypes

Method Details

lineReceived(self, line)

Override this for when each line is received.
Overrides:
twisted.protocols.basic.LineReceiver.lineReceived (inherited documentation)

Class Variable Details

convert_dates_before_y2k

Type:
int
Value:
1                                                                      

delimiter

Type:
string
Value:
'''\r
'''                                                                    

dispatch

Type:
dictionary
Value:
{'GPALM': 'almanac',
 'GPGGA': 'fix',
 'GPGLL': 'position',
 'GPGRS': 'range',
 'GPGSA': 'activesatellites',
 'GPGST': 'noise',
 'GPGSV': 'viewsatellites',
 'GPMSS': 'beacon',
...                                                                    

ignore_checksum_mismatch

Type:
int
Value:
0                                                                      

ignore_invalid_sentence

Type:
int
Value:
1                                                                      

ignore_unknown_sentencetypes

Type:
int
Value:
0                                                                      

Generated by Epydoc 1.1 on Sat Feb 15 21:19:12 2003 http://epydoc.sf.net