Instruction/ maintenance manual of the product NL-501ETTL Navilock
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NMEA Refer ence Manual SiRF T echnology , Inc. 148 East Brokaw Road San Jose, CA 951 12 U.S.A. Pho ne: +1 (408) 467-0410 Fax: +1 (408) 467-0420 www .SiRF .com 1050-0042 January 2005, Revision 1.3 SiRF , SiRFstar, and SiRF plus orbit design are registered in the U.
ii NMEA Refer ence Manual — January 2005 NMEA Refer ence Manual Copyright © 1996-2005 SiRF T echnology , Inc. All rights reserved. No part of this work may be reproduced or transm itted in any form.
iii Contents Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ix 1. Output Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 GGA —Global Positioning System Fixed Data .
iv NMEA Refer ence Manual — January 2005 101—NavigationInitialization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3 102—SetDGPSPort . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4 103—Query/Rate Contr ol .
v Figur es.
vi NMEA Refer ence Manual — January 2005.
vii T ables Table 1-1 NMEA Output Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 Table 1-2 Supported NMEA Output Messag es . . . . . . . . . . . . . . . . . . . . . . . . 1-2 Table 1-3 GGA Data Format . . . . . . . . . .
viii NMEA Refer ence Manual — January 2005 Table 2-3 Supported NMEA Input Messages . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2 Table 2-4 Set Serial Port Data Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3 Table 2-5 Navigation Initializat ion Data Format .
ix Pr eface All SiRF product support a subset of the NM EA-0183 standard for interfacing marine electronic devices as defined by the National Marine Electronics Association (NMEA). The NMEA Reference Manual provides details of NMEA messages developed and defined by SiRF .
x NMEA Refer ence Manual — January 2005 Contacting SiRF T echnical Support Address: SiRF T echnology Inc. 148 East Brokaw Road San Jose, CA 951 12 U.S.A. SiRF T echnical Support: Phone: +1 (408) 467-0410 (9 am to 5 pm Pacific Standard T ime) Email: support@sirf.
1-1 Output Messages 1 Ta b l e 1- 1 lists each of the NMEA output messag es specifically developed and defined by SiRF for use within SiRF products. Ta b l e 1- 1 NMEA Output Messages Option Description GGA T ime, position and fix type data. GLL Latitude, longitude, UTC time of position fix and status.
1-2 NMEA Refer ence Manual — January 2005 1 Ta b l e 1-2 provides a summary of SiRF NMEA output messages supported by the specific SiRF platforms. Ta b l e 1-2 Supported NMEA Output Messages Message.
Ta b l e 1-4 Position Fix Indicator Va l u e Description 0 Fix not available or invalid 1 G PS SPS Mode, fix valid 2 D ifferential GPS, SPS Mode, fix valid 3-5 No t supported 6 Dead Reckoning Mode, fix valid Output Messages 1-3 1 Note – A valid position fix indicator is derived from the SiRF Binary M.
1-4 NMEA Refer ence Manual — January 2005 1 GSA—GNSS DOP and Active Satellites Note – Fields marked in italic re d apply only to NMEA version 2.3 (and lat er) in this NMEA message description. Ta b l e 1-6 contains the values for the following example: $GPGSA,A,3,07,02,26,27,09,04,15, , , , , ,1.
Output Messages 1-5 1 GSV—GNSS Satellites in V iew Ta b l e 1-9 contains the values for the following example: $GPGSV ,2,1,07,07,79,048,42,02,51,062, 43,26,36,256,42,27,27,138,42*71 $GPGSV ,2,2,07,0.
1-6 NMEA Refer ence Manual — January 2005 1 Note – The MSS NMEA message can only be polled or scheduled using the MSK NMEA input message. See “MSK—MSK Receiver Interface” on page 2-8 . RMC—Recommended Minimum Specific GNSS Data Note – Fields marked in italic re d apply only to NMEA version 2.
Output Messages 1-7 1 VTG—Course Over Gr ound and Gr ound Speed Note – Fields marked in italic re d apply only to NMEA version 2.3 (and lat er) in this NMEA message description. Ta b l e 1- 12 contains the values for the following example: $GPVTG , 309.
1-8 NMEA Refer ence Manual — January 2005 1 150—OkT oSend This message is being sent out during the tr ickle power mo de to communicate with an outside program such as SiRFDemo to indica te whether the receiver is awake or not. Ta b l e 1- 14 contains the values for the following examples: 1.
2-1 Input Messages 2 NMEA input messages enable you to con tro l the Evaluation Receiver while in NMEA protocol mode. The Evaluation Receiver may be put into NMEA mode by sending the SiRF binary protocol message “Switch to NMEA Protocol - Message I.
2-2 NMEA Refer ence Manual — December 2004 2 NMEA Input Messages Ta b l e 2-2 NMEA Input Messages Message 1. Message Identification (MID). MID 1 SetSerialPort 100 Set POR T A parameters and protocol NavigationInitialization 101 Parameters required for start using X/Y/Z 2.
Input Messages 2-3 2 Ta b l e 2-4 contains the input values for the following example: Switch to SiRF binary protocol at 9600,8,N,1 $PSRF100,0,9600,8,1,0*0C Ta b l e 2-4 Set Serial Port Data Format Na.
Ta b l e 2-6 Reset Configuration - Non SiRFLoc Platforms Hex Description 0x01 Hot Start— All data valid 0x02 W arm Start—Ephemeris c leared 0x03 W arm Start (with Init)—Ephemeris cleared, initia.
Input Messages 2-5 2 103—Query/Rate Contr ol This command is used to control the output of standard NMEA messages GGA, GLL, GSA, GSV , RMC, and VTG . Using this co mmand message, st andard NMEA messages may be polled once, or setup for periodic output.
2-6 NMEA Refer ence Manual — December 2004 2 104—LLANavigationInitialization This command is used to initialize the Evaluation Receiver by providing current position (in latitude, longitude, and altitude co ordinates), clock of fset, and time.
Input Messages 2-7 2 Ta b l e 2-13 contains the input values for the following examples: 1. Debug On $PSRF105,1*3E 2. Debug Off $PSRF105,0*3F Ta b l e 2-13 Development Data On/Off Data Format Name Exa.
2-8 NMEA Refer ence Manual — December 2004 2 MSK—MSK Receiver Interface Ta b l e 2-15 contains the values for the following example: $GPMSK , 318.0,A,100,M,2,*45 Ta b l e 2-15 RMC Data Format Name Example Units Description Message ID $GPMSK MSK protocol header Beacon Frequency 3 18.
ADDITIONAL A VAILABLE PRODUCT INFORMATION Part Numb er Description 1050-0042 NMEA Reference Manual 1050-0041 SiRF Binary Protocol Reference Manual 1065-0136 Product Inserts 1050-0056 SiRFstarIII Syste.
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