The NMEA Sage

	*NMEA Talker Control* Updated 2006-NOV-05
Download Demo VB6 Project showing how to use the NMEATalker control. The Wind Control Demo web page includes a sample application, and source code, showing how to use the Talker Control.	Download NMEATalker.ocx Visual Studio Control This control listens to the NMEA data stream. When data is heard on the NMEA wire, the control triggers a specific event depending on the NMEA sentence heard. One may look at all of the NMEA traffic by setting the SpewRawData Property to True, and then monitor the RawData Event. UPDATE: *You must set your GPS device to interface protocol NMEA. Setting your GPS device to a different protocol, such as the Garmin Protocol, will NOT* work.** There are 68 NMEA sentences specifically listened for, all of which will trigger one of 68 events if and when the control sees those sentences on the NMEA wire. If you have a NMEA device that produces NMEA sentences not listed in the Events list, you will have to enable the SpewRawData Property and monitor the RawData Event for that sentence; you may also write to me and ask that a specific NMEA sentence be added. desertphile @ hotmail .com You may set the control to trigger the NoData Event by setting the NoDataYell Property to a time interval in seconds. If the control does not hear any NMEA traffic for the time interval you specify, the event will trigger.
Events: StatusChange NoData RawData GPGSV PGRME GPGLL PGRMZ PGRMM PGBOD PGRTE PGRMC PGRMB GPGGA GPGSA HDT MWV RSA MTW DBK DBS DBT AAM ALM APA APB BWC BWR BWW DCN DPT DTM FSI GBS GLC GRS GST GTD GXA HDG HDM HSC LCD MSK MSS OLN OSD R00 RMA ROT RPM RSD SFI STN TRF TTM VBW VDR VHW VLW VPW VTG VWR VCW WNC WPL XDR XTE XTR ZDA ZFO ZTG Methods: ConnectNMEA DisconnectNMEA Properties: CommPort BaudRate DataBits StopBits Parity ConnectTimeOut SpewRawData NoDataYell Status Codes -1 - Port was open but has been closed 0 - Port is closed 1 - Attempting to open 2 - Port is open 3 - Data has been received
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