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10/16/2008
This class represents a message that contains GPS location data that is encoded in a National Marine Electronics Association (NMEA) standard-formatted ASCII string.
Syntax
class GPSMsg : public Msg
Methods
| Method | Description |
|---|---|
Returns the error code for this GPS message. |
|
Returns the National Marine Electronics Association (NMEA) standard-formatted ASCII string. |
Remarks
This class inherits from the Msg Class.
Some DBR701 receiver-hardware platforms support the tunneling of GPS location data through a private network between the MSN Direct receiver and a GPS driver. When the receiver receives the NMEA string, it can send a GPS message to the host device.
If the MSN Direct service type is GPS_MESSAGE, then the incoming message is an NMEA string. You can typecast it to a GPSMsg object.
Each NMEA string begins with a "$" character and ends with "\n" characters. NMEA strings can have variable lengths. No acknowledgement messages are sent back to the MSN Direct receiver upon receipt of an NMEA string.
For more information about NMEA, see this Web site.
In MSN Direct services for Windows Embedded CE, the host device is the Windows Embedded CE powered device.
Requirements
| Header | DBRLib.h |
| Library | DBRLib.lib |
| Windows Embedded CE | Windows CE 5.0, Windows Embedded NavReady 2009 |