RoyalTek REB-3000 GPS Receiver User Manual


 
RoyalTek RGM-3000/REB-3000
GPS Module Operational Manual)
21
0 x 92 146 Almanac
0 x 93 147 Ephemeris
0 x 95 149 Set Ephemeris
0 x 96 150 Switch Operating Mode
0 x 97 151 Set Trickle Power Parameters
0 x 98 152 Navigation Parameters (Poll)
0x A5 165 Change UART Configuration
0x A6 166 Set Message Rate
0x A7 167 Low Power Acquisition Parameters
Initialize Data Source-Message I.D.
128
Table 18 contains the input values for the
following example:Warm start the receiver
with the following initialization data:ECEF
WYZ (-2686727 m,-4304282 m,3851642
m),Clock Offset (75,000 Hz),Time of
Week(86,400 s),Week Number(924),Week
Number(924),and Channels(12). Raw
track data Debug data enabled.
Example:
A0A20019-Start Sequence and Payload
Length
80FFD700F9FFBE5266003AC57A000124
F80083S600039C0C33- Payload
0A91B0B3-Message Checksum and End
Sequence
Table 20 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 21 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 Factory Reset
4 Enable Nav Lib data (YES=1,NO=0)
5 Enable debug data for SiRF binary protocol(YES=1,NO=0)
6 Enable debug data for NMEA protocol(YES=1,NO=0)
7 Reserved (must be 0)
Note - If Nav Lib data is ENABLED then the
resulting messages are enabled. Clock
Status (MID 7), 50 BPS (MID 8), Raw DGPS
(17), NL Measurement Data (MID 28), GPS
Data (MID 29), SV State Data (MID 30), and
NL Initialize Data (MID 31). All messages are
sent at 1 Hz and the baud rate will be
automatically set to 57600.