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RoyalTek GPS Receiver REB-2000/REB-12R REV-2000 Operational Manual
19
track data Debug data enabled.
Example:
A0A20019-Start Sequence and Payload
Length
80FFD700F9FFBE5266003AC57A000124
F80083S600039C0C33- Payload
0A91B0B3-Message Checksum and End
Sequence
Table 18 Initialize Data Source
Binary(Hex)
Name
Bytes
Scale Example
Units
Description
Message ID 1 80 ASCII 128
ECEF X 4 FFD700F9 meters
ECEF Y 4 FFBE5266 meters
ECEF Z 4 003AC57A meters
Clock Offset 4 000124F8 Hz
Time of Week 4 *100 0083D600 seconds
Week Number 2 039C
Channels 1 0C Range 1-12
Reset Config. 1 33 See Table 19
Payload Length: 25 bytes
Table 19 Initialize Data Source
Bit Description
0 Data valid flag-set warm/hot start
1 Clear ephemeris-set warm start
2 Clear memory-set cold start
3 Reserved (must be 0)
4 Enable raw track data (YES-1,NO=0)
5 Enable raw track data(TES=1,NO=0)
6 Reserved(must be 0)
7 Reserved (must be 0)
Note - If Raw Track Data is ENABLED
then the resulting messages are message
I.D. 0x05(ASCII 5-Raw Track Data),
message I.D. 0x08(ASCII 8-50 BPS data),
and message I.D.
0x90 (ASCII 144 Clock Status). All
messages are sent at 1 Hz.
Switch To NMEA Protocol – Message
I.D. 129
Table 20 contains the input values for the
following example:
Request the following NMEA data at 9600
baud:
GGA – ON at 1 sec , GLL – 1sec , GSA – ON
at 1 sec GSV – ON at 1 sec , RMC – 1 sec ,
VTG – 1 sec
Example:
A0A20018 – Start Sequence and Payload
Length
8102010100010501050100010001000100010
001000112C0 – Payload
0164B0B3 – Message Checksum and End
Sequence
Table 20 Switch To NMEA Protocol
Binary(Hex)
Name
Bytes
Scale Example
Units
Description
Message ID 1 81 ASCII 129
Mode 1 02
GGA Message
1
1 01 1/s
Checksum
2
1 01