GPS Firmware A1037-A
Contents
1. Page 14 of 46 Table 5 GSV example and description User s Manual V1 2 11 06 List of Tables and Figures 2 Proprietary Sentences 2 1 Introduction Device manufacturer define extensions of the standard NMEA protocol or sentences thereof e The general format is lt vendor gt lt message gt lt parameters gt lt CR gt lt LF gt Note that a checksum is NOT required The combination of lt vendor gt lt message gt is called address field e The general format of the address field vendor message identifier is P lt manufacturer code gt lt message code gt with P for proprietary 2 2 NMEA Sentence Handling and Baud rate Set up The following commands handle the configuration of NMEA outputs e PSTMNMEAONOFF Toggle NMEA sentences e PSTMRMC Toggle RMC sentence PSTMNMEACONFIG lt NMEACONCODE gt Configures NMEA Arguments NMEACONCODE Code for NMEA output sentences configuration syntax 0 XXXXXXX YYVY Z xxxxxxx UART baud rate yyyy Output message list see below E 0 to transmit on UTC second 1 to transmit after FIX Description This command configures baud rate message list and transmit mode of NMEA output sentences No response See also Table 6 NMEA sentences update part 1 Message list The message list is the sum of the IDs of each message included to the list Example to have GSA and GSV output messages the message list must be 12 V1 2 11 06 User2. Tf UCO Electronics GPS Firmware A1037 A A description of the standard GPS firmware provided on Tyco Electronics GPS modules A1037 A User s Manual Version 1 2 Software Revision 4 30 tyco Electronics This page was intentionally left blank Revision History Revision History Rev Date Description 0 1 03 29 06 Preliminary version 1 1 08 10 06 Valid for X1037 A working on GPS LIB 4 23 05 1 2 11 02 06 Valid for A1037 A working on GPS LIB 4 30 3plus mm dd yy V1 2 11 06 User s Manual Page 3 of 46 tyco Disclaimer Electronics Disclaimer THIS DOCUMENT CONTAINS PROPRIETARY INFORMATION OF TYCO ELEC TRONICS CORPORATION POWER SYSTEMS TYCO ELECTRONICS IT MAY NOT BE COPIED OR TRANSMITTED BY ANY MEANS PASSED TO OTHERS OR STORED IN ANY RETRIEVAL SYSTEM OR MEDIA WITHOUT PRIOR CONSENT OF TYCO ELECTRONICS OR ITS AUTHORIZED AGENTS THE INFORMATION IN THIS DOCUMENT IS TO THE BEST OF OUR KNOWLEDGE ENTIRELY CORRECT HOWEVER TYCO ELECTRONICS CAN NEITHER ACCEPT LIABILITY FOR ANY INACCURACIES OR THE CONSEQUENCES THEREOF NOR FOR ANY LIABILITY ARISING FROM THE USE OR APPLICATION OF ANY CIRCUIT PRODUCT OR EXAMPLE SHOWN IN THE DOCUMENT THE PRODUCT HARD AND SOFTWARE DESCRIBED IN THIS DOCUMEN TATION IS NOT AUTHORIZED FOR USE IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF TYCO ELEC TRONICS THIS DOCUMENT MAY PROVIDE LINKS TO
3. s Manual Page 15 of 46 tyc O Lists of Tables Electronics Available NMEA output messages message IDs Message ID GGA NMEA 1 GSA NMEA 4 GSV NMEA 8 VTG NMEA 16 RMC NMEA 64 Table 7 NMEA sentences update part 2 2 3 Start up support In order to improve the TTFF Time to First Fix after the receiver module was switched off the start up can be supported by providing a rough time and position information The date time provided should be exact to a few minutes while for the position information a very rough estimation will help already Tests did show positive results even with uncertainties of 1 000km The command for setting time and position has the following format e PSTMINITGPS lt position amp time gt To set lt position amp time gt the following syntax is valid position amp timecode Code for setting new position and time syntax xxxx xxx N S yyyyy yyy E W zzzz DD MM YYYY HH MM SS XXXX XXxX latitude in degrees minutes and fractions of minutes N S north or south yyyyy yyy longitude in degrees minutes and fractions of minutes E W east or west ZZZZ altitude in meters DD day of month MM month YYYY year HH hour MM minute SS second Table 8 GPS start up support Page 16 of 46 User s Manual V1 2 11 06 List of Tables and Figures For example to set the date to March 25 2006 the time to 1 05 p m and the location is closed to Mun
4. Manual Reset the GPS engine Page 31 of 46 tyco Appendix UART Commands Electronics PSTMGPSRESTART PSTMGPSRESTART Restarts the GPS engine Arguments None Description This command restarts the GPS module No response See also SES Page 32 of 46 User s Manual V1 2 11 06 PSTMHOT PSTMHOT Arguments Description See also V1 2 11 06 Appendix UART Commands Perform HOT start none Perform HOT Start This command reboots the system without erasing any backup data No response User s Manual Page 33 of 46 tyco Appendix UART Commands Electronics PSTMINFOREAD PSTMINFOREAD Initiates serial number output Arguments none Description Initiates serial number output Issuing this command leads to a one time output of the module serial number See also Page 34 of 46 User s Manual V1 2 11 06 UART Commands PSTMINITGPS PSTMINITGPS lt position amp timecode gt Appendix Initialize GPS position and time Arguments position amp Code for setting new position and time syntax timecode xxxx xxx N S yyyyy yyy E W zzzz DD MM YYYY HH MM SS XXXX XXX N S yyyyy yyy EM ZZZZ latitude in degrees minutes and fractions of minutes north or south longitude in degrees minutes and fractions of minutes east or west altitude in meters day of month month year hour minute second Description Initialize GPS position an
5. OTHER WORLD WIDE WEB SITES OR RESOURCES BECAUSE TYCO ELECTRONICS HAS NO CONTROL OVER SUCH SITES AND RESOURCES TYCO ELECTRONICS SHALL NOT BE RESPONSIBLE FOR THE AVAILABILITY OF SUCH EXTERNAL SITES OR RESOURCES AND DOES NOT ENDORSE AND IS NOT RESPONSIBLE OR LIABLE FOR ANY CONTENT ADVERTISING PRODUCTS OR OTHER MATERIALS ON OR AVAILABLE FROM SUCH SITES OR RESOURCES TYCO ELECTRONICS SHALL NOT BE RESPONSIBLE OR LIABLE DIRECTLY OR INDIRECTLY FOR ANY DAMAGE OR LOSS CAUSED OR ALLEGED TO BE CAUSED BY OR IN CONNECTION WITH USE OF OR RELIANCE ON ANY SUCH CONTENT GOODS OR SERVICES AVAILABLE ON OR THROUGH ANY SUCH SITE OR RESOURCE TYCO ELECTRONICS RESERVES THE RIGHT TO CHANGE MODIFY OR IMPROVE THIS DOCUMENT OR THE PRODUCT DESCRIBED HEREIN AS SEEN FIT BY TYCO ELECTRONICS WITHOUT FURTHER NOTICE Page 4 of 46 User s Manual V1 2 11 06 Table of Contents Table of Contents le CRIA UN A Eo EP R 8 1 1 Serial Port ee le UE e BE 8 Standard NMEA Sentences ninia 9 ECH eeler 9 1 3 Supported NMEA Gentences AAA 9 1 3 1 GGA Global Positioning System Fix Data 10 1 3 2 VTG Course Over Ground and Ground Speed ccooooccccccnccccccconoccncononcccnnnnncnnnannncnnnnns 11 1 3 3 RMC Recommended Minimum Specific GPS Data sen 12 1 3 4 GSA GPS DOP and Active Satellites ooonnoccccinnnnccnnnnnccccnnncccccconnncnnconanrccncnnnr canica 13 1 3 5 GSV GPS Satellites in View 14 2 Proprietary SEMEN siitin iin iaia piiat iets diiniita 15
6. 2 11 06 Appendix UART Commands PSTMSTBY PSTMSTBY T Put the GPS engine in standby mode Arguments T Standby period seconds Acceptable values are from 0 to 99999 Description Put the system in Standby mode If T is O then the system goes in standby mode for undefined time and can be waked up by hardware Response only if the input is incorrect PSTMSTBYERROR lt checksum gt See also V1 2 11 06 User s Manual Page 43 of 46 ty Cc O Appendix UART Commands Electronics PSTMSTOP PSTMSTOP T Stop the GPS engine Arguments T Stop period seconds Acceptable values are from 0 to 99999 Description Stop the GPS engine for a T time After the defined time frame the system will be reset Response only if the input is incorrect PSTMSTOPERROR lt checksum gt See also Page 44 of 46 User s Manual V1 2 11 06 Appendix UART Commands PSTMWARM PSTMWARM Perform WARM start Arguments none Description Perform WARM Start This command erases all the ephemerics stored in the backup RAM and then reboots the system No response See also V1 2 11 06 User s Manual Page 45 of 46 tyco Appendix UART Commands Electronics This page was intentionally left blank Page 46 of 46 User s Manual V1 2 11 06
7. CN WI ee erte ano E a a E R 15 2 2 NMEA Sentence Handling and Baud rate Gei up 15 2 3 Start up SUpport EE 16 2 3 1 Providing cold start behavior ooooooccccnccononocococcccnnccnnnnnnancncnnncnnnnnnn ono ccnnn cnn nnnnnn nn cnnnnnnnnnnns 17 A eu TEE E 17 E D RRE E 18 E NS SEI A ee E Eaa E LEE EE anaE rE Ea 18 23 14 Load AMA rena esis sd se lis 18 2 9 2 Cold E E 19 E ECKER irnar arrini naene irn a a na EE RE E A aE Ra aA ain RETA enna Enaka Ei 19 NS i OEA SETTAT A EEE 19 2 4 Version Information 20 2 5 Support of SBAS Satellite Based Augmentation Gvstems eeen 20 2 54 Enabling SBAS SUpport issii siirsin ensins eaa esa rera S A EE ENa A N 21 2 5 2 AE 21 2 5 3 Choose SBAS satellite oooooooconnncccninnnccccnnnocccccononccnconnancnnnnnnn cnn ca nonnnncnnnnn cnn naar ncnnnnnnas 21 E EE 22 3 Related Informati EE 23 EME E o tc o e E E er oer A E E E E E mee een 23 Ee WR En 23 RE 24 Appendix C UART Commands Reference A 25 PSTMALMANA cities tati tidad leida 26 Le OLD tail iii eiii titi 27 PSTMDUMPALMANAC een Eege ee Ee 28 PSTMDUMPEP TEE 29 e EEEN iane EE EA AEE NEn EIRE 30 E E EN PSTMOPSRESTART E 32 V1 2 11 06 User s Manual Page 5 of 46 tyc O Table of Contents Electronics PSTMHOT EE 33 PSTMINFOREAD nes 34 PSTMINITO EE 35 LN deel le EE 36 PSTMNMEAONOPP a ENEE 37 A a heda dada adaa rasedana i ha adai Ei narte eenia 38 PSTMSBASON OPP a 39 SNS Ee eege 40 PSTMSBASSTAR Tina rta 41 o ia Leet eelere gege 42 O
8. are used for the transmission of the information are identified by a unique PRN Pseudo Random Noise number a satellite ID This is the PRN ID information for WAAS Wide Area Augmentation System and EGNOS European Geostationary Navigation Overlay System The following PRNs have been allocated to the WAAS system region USA Canada and Mexico PRN 122 Inmarsat 3F4 AOR W 54 02 W PRN 134 Inmarsat 3F3 POR 178 02 E The following PRNs have been allocated to the EGNOS system region Europe Africa and Venezuela PRN 120 Inmarsat 3F2 AOR E 15 52 W PRN 124 Artemis 21 52 E PRN 126 Inmarsat 3F5 IOR W 25 02 E PRN 131 Inmarsat 3F1 IOR E 64 02 E Page 20 of 46 User s Manual V1 2 11 06 List of Tables and Figures The following PRNs have been allocated to the MSAS system region Japan Australia and Hawaii PRN 129 MTSAT 1 140 0 E PRN 137 MTSAT 2 to be launched yet replacement of MTSAT 1 2 5 1 Enabling SBAS support By default SBAS support is switched off To switch on SBAS support one needs to issue the following command to the receiver e PSTMSBASSTART In recognition of the command the receiver will respond with SBAS version information e PTYCSBAS ON 30 2 5 2 Toggle SBAS support e PSTMSBASONOFF This command will toggle the SBAS support If the SBAS was active this command will stop SBAS support and vice versa 2 5 3 Choose SBAS satellite e PSTMSBASSAT 120 After issuing this com
9. cnnnnccnncnnnncnno 11 Table 3 RMC example and description 12 Table 4 GSA example and description cooooococconnccccnnncccnconnnoncnnnnnccnconnnnccncnnnnn conos 13 Table 5 GSV example and description cooooocccconncccconnccccncononaccnconnon conan cnn conan cnn 14 Table 6 NMEA sentences update part TEEN 15 Table 7 NMEA sentences update part 2 16 Table 8 GPS start Up support asesinada ds 16 Table 9 Ephemeris data OU DUti ciccns ccaccerecsjencasceestateeveucescteteevsststeneienenstetonnateteds 17 Table 10 Load ephemeris datan iia 18 Table 11 Almanac data outmput REENEN 18 Table 12 Load almanac dad asnos 19 Page 24 of 46 User s Manual V1 2 11 06 Appendix UART Commands Appendix C UART Commands Reference The following is an explanation of all UART commands in alphabetical order that will be recognized by the module with the current firmware revision The following notation is used option optional parameters option lt position gt placeholder position a b c selection of aor bor c Example 1 PSTMNMEACONFIG 0 4800 65 1 This command will output RMC and GGA NMEA sentences with 4800 baud after getting a fix V1 2 11 06 User s Manual Page 25 of 46 tyco Appendix UART Commands Electronics PSTMALMANAC PSTMALMANC lt almanacs data gt Load Almanacs data Arguments Almanacs Code for loading ephemeris data lt sat ID gt lt N gt lt byte1 gt lt byte2 gt lt byteN gt 7F Desc
10. ctronics GPS modules Page 8 of 46 User s Manual V1 2 11 06 List of Tables and Figures Standard NMEA Sentences 1 2 Introduction The National Marine Electronics Association created a uniform interface standard for digital data exchange between different marine electronic products back in the early nineteen eighties e NMEA information is transmitted from a vendor in sentences with a maximum length of 80 characters e The general format is lt vendor gt lt message gt lt parameters gt lt checksum gt lt CR gt lt LF gt e The combination of lt vendor gt lt message gt is called address field e The vendor code for the Global Positioning System is GP e In this document NMEA sentences refer to the NMEA 0183 Standard For details see http www nmea org http www nmea org pub index html For an introduction into GPS NMEA sentences see http home mira net gnb gps nmea html 1 3 Supported NMEA Sentences The Tyco Electronics GPS firmware currently supports 6 NMEA sentences GPGGA default ON GPVTG default ON GPRMC default OFF GPGSA default ON GPGSV default ON The sentences that are switched on are transmitted with an update rate of 1 s The following paragraphs give an overview of NMEA messages with example strings and short explanation V1 2 11 06 User s Manual Page 9 of 46 tyco Electronics Lists of Tables 1 3 1 GGA Global Positionin
11. d time This additional information will help to speed up the starting time under certain circumstances See also V1 2 11 06 No response User s Manual Page 35 of 46 tyco Appendix UART Commands Electronics PSTMNEACONFIG PSTMNMEACONFIG lt NMEACONCODE gt Configures NMEA Arguments NMEACONCODE Code for NMEA output sentences configuration syntax 0000000 Y Y y y Z xxxxxxx UART baud rate yyyy Output message list see below E 0 to transmit on UTC second 1 to transmit after FIX Description This command configures baud rate message list and transmit mode of NMEA output sentences No response See also Message list The message list is the sum of the IDs of each message included to the list Example to have GSA and GSV output messages the message list must be 12 Available NMEA output messages message IDs Message ID GGA NMEA 1 GSA NMEA 4 GSV NMEA 8 VTG NMEA 16 RMC NMEA 64 Page 36 of 46 User s Manual V1 2 11 06 Appendix UART Commands PSTMNMEAONOFF PSTMNMEAONOFF Toggle NMEA output message Arguments None Description Controls NMEA output sentences Toggle the NMEA output message If it has been switched ON before it becomes switched OFF and vice versa See also V1 2 11 06 User s Manual Page 37 of 46 tyco Appendix UART Commands Electronics PSTMRMC PSTMRMC Toggle RMC message Arguments none Description Co
12. eee ener ne Ae eee eee ee 43 PSIMS TOP EEN 44 PSTMWARM EE 45 Page 6 of 46 User s Manual V1 2 11 06 Table of Contents This page was intentionally left blank V1 2 11 06 User s Manual Page 7 of 46 tyc O Lists of Tables Electronics 1 Introduction This document contains a detailed description of Tyco Electronics standard GPS firmware used in the GPS modules A1037 A The purpose of this paper is the explanation of the behavior of the NMEA inter face e a description of the outputs coming from this interface and a summary of the commande that can be issued to this interface This will allow easy and full adjustment and control of the module 1 1 Serial Port Configuration The firmware supports the bi directional serial interface of Tyco Electronics GPS module It is implemented by use of the full duplex UART Universal Asynchronous Receiver Transmitter interface of the GPS processor e For the communication with UART the use of a kind of terminal program or another appropriate method is necessary UART communication is always on port 0 pin Tx0 and Rx0 of the module e The default configuration of this serial port is 4800 baud 8 data bits no parity 1 stop bit no flow control This interface is bi directional i e on the one side the output of the GPS modules NMEA sentences etc is sent to the UART interface on the other side the UART interface can be used to send commands to Tyco Ele
13. g System Fix Data e g GPGGA 152145 000 4805 81931 N 01132 23172 E 1 04 2 5 607 75 M 47 6 M 67 1 GPGGA Vendor and message identifier 2 152145 000 Universal time coordinated 15h 21m 45 000s 3 4805 81931 Latitude 48deg 05 81931 min 4 N North or S for south 5 01132 23172 Longitude 011deg 32 231 72min 6 JE East or W for west 7 1 Fix quality GPS fix valid or O for fix not available or 2 for differential fix also when SBAS data are used 8 04 Four satellites in view min 00 max 12 9 12 5 Horizontal dilution of precision 10 0607 75 Antenna altitude above below mean sea level geoid 11 M Unit of antenna altitude meters 12 47 6 Geoidal separation 13 M Unit of geoidal separation meters 14 lt empty gt Age of differential GPS data null field when DGPS is not used 15 lt empty gt Differential reference station ID null field when DGPS is not used 16 67 Checksum Page 10 of 46 Table 1 GGA example and description User s Manual V1 2 11 06 List of Tables and Figures 1 3 2 VTG Course Over Ground and Ground Speed e g GPVTG 169 3 T M 0 3 N 0 5 K 6B 1 GPVTG Vendor and message identifier 2 169 3 Track degrees 3 IT True 4 lt empty gt Track degrees not supported 5 M Magnetic not supported 6 10 3 Speed knots 7 IN Kn
14. ich Germany the command will look like this e PSTMINITGPS 4804 000 N 01139 000 E 0500 25 03 2006 13 05 00 Please note that the position is accepted only if the number of digits before and after the decimal point is correct For the latitude 4 digits before and 3 digits after the decimal point are required for the longitude 5 digits before and again 3 digits after respectively 2 3 1 Providing cold start behavior A1037 A is a ROM based GPS receiver module Power down the module will delete all ephemeris and almanac data in the GPS engine and will end in a cold start next time the module will be powered on again This can be provided by reading out the ephemeris almanacs before power down to module and reload it after power up the module again Please note Ephemeris data are valid for 4 hours Almanac data are valid for 3 month 2 3 1 1 Dump ephemeris e PSTMDUMPEPHEMS This command sends out all ephemeris stored in the backup RAM Result e g PSTMEPHEM 1 3 lt byte1 gt lt byte2 gt lt byteN gt 7F 1 PSTMEPHEM Vendor and message identifier 2 1 Satellite ID 3 13 Number of the ephemeris data bytes 4 lt byte1 gt First byte of ephemeris data 5 lt byte2 gt Second byte of ephemeris data 6 lt byteN gt Last byte of ephemeris data 7 7F Checksum Table 9 Ephemeris data output V1 2 11 06 User s Manual Page 17 of 46 tyco Electronics Lists
15. lite used for fix 9 lt empty gt ID of 6 satellite used for fix 10 lt empty gt ID of 7 satellite used for fix 11 lt empty gt ID of 8 satellite used for fix 12 lt empty gt ID of 9 satellite used for fix 13 lt empty gt ID of 10 satellite used for fix 14 lt empty gt ID of 11 satellite used for fix 15 lt empty gt ID of 12 satellite used for fix 16 3 7 PDOP in meters 17 2 5 HDOP in meters 18 2 8 VDOP in meters 19 3D Checksum Table 4 GSA example and description V1 2 11 06 User s Manual Page 13 of 46 tyco Electronics Lists of Tables 1 3 5 GSV GPS Satellites in View e g GPGSV 1 1 04 03 27 159 45 14 43 095 48 20 17 231 40 31 60 190 42 7F 1 GPGSV Vendor and message identifier 2 1 Total numbers of messages 3 1 Number of current message 4 104 Satellites in view 5 03 Satellite number 6 27 Elevation in degrees 7 159 Azimuth in degrees to true 8 45 SNR in dB 9 14 Satellite number 10 43 Elevation in degrees 11 095 Azimuth in degrees to true 12 48 SNR in dB 13 20 Satellite number 14 17 Elevation in degrees 15 231 Azimuth in degrees to true 16 40 SNR in dB 17 31 Satellite number 18 60 Elevation in degrees 19 190 Azimuth in degrees to true 20 42 SNR in dB 21 7F Checksum
16. mand the GPS engine will start to track the SBAS Satellite 120 If the parameter is 0 the system automatically searches for the SBAS satellite which is available in the user region V1 2 11 06 User s Manual Page 21 of 46 tyc O Lists of Tables Electronics 2 6 SW Reset This command will reset the GPS engine The command is named e PSTMGPSRESET Page 22 of 46 User s Manual V1 2 11 06 List of Tables and Figures 3 Related Information 3 1 Contact This manual was created with due diligence We hope that it will be helpful to the user to get the most out of the GPS module Anyway inputs about errors or mistakable verbalizations and comments or proposals to TYCO Electronics Power Systems in Munich Germany for further improvements are highly appreciated Tyco Electronics Power Systems Finsinger Feld 1 85521 Ottobrunn Germany Tel 49 89 6089 838 Fax 49 89 6089 835 gps tycoelectronics com www tycoelectronics com gps Further contact addresses Info gos tycoelectronics com support gos tycoelectronics com sales gosOtycoelectronics com 3 2 Related Documents e Manual T E GPS Receivers A1037 TYCO e Manual T E GPS Evaluation Kit EVA1037 A TYCO V1 2 11 06 User s Manual Page 23 of 46 tyc O Lists of Tables Electronics 4 List of Tables Table 1 GGA example and description 10 Table 2 VTG example and description ooomoccccnnnncccinnoccccnnnoncncnnnnrnnnn
17. nac data bytes 4 lt byte1 gt First byte of almanac data 5 lt byte2 gt Second byte of almanac data 6 lt byteN gt Last byte of almanac data 7 7F Checksum Table 12 Load almanac data 2 3 2 Cold Start e PSTMCOLD This command erases all the almanacs and ephemerics stored in the backup RAM and then reboots the system 2 3 3 Warm Start e PSTMWARM This command erases all ephemerics stored in the backup RAM and then reboots the system 2 3 4 Hot Start e PSTMHOT This command reboots the system without erasing any datas V1 2 11 06 User s Manual Page 19 of 46 tyc O Lists of Tables Electronics 2 4 Version information A special command is implemented in order to return the serial number of ST GPS engine e PSTMINFOREAD Initiates serial number output The version information will be returned in the following format PSTMVER GPSLIB_04 23 05PAL ARM DEC 02 2005 11 14 50 SW COMMANDS rel 1 0 Dec 02 2005 12 22 53 47 2 5 Support of SBAS Satellite Based Augmentation Systems Current X1037 A is an engineering sample of the A1037 A This version does not Support SBAS Mass production units A1037 A will support SBAS Starting with firmware version 4 30 00 the A1037 will support Satellite Based Augmentation Systems SBAS systems Two systems around the world transmit signals that can be interpreted by the receiver As normal GPS satellites the geostationary satellites that
18. ntrols NMEA sentence GPRMC Toggle the NMEA output message If it has been switched ON before it becomes switched OFF and vice versa See also Page 38 of 46 User s Manual V1 2 11 06 Appendix UART Commands PSTMSBASONOFF PSTMSBASONOFF Toggle SBAS support Arguments none Description This command will toggle the SBAS support If the SBAS was active this command will stop SBAS support and vice versa No Response See also V1 2 11 06 User s Manual Page 39 of 46 tyco Appendix UART Commands Electronics PSTMSBASSAT PSTMSBASSAT lt SBAS ID gt Change SBAS satellite Arguments SBAS ID Number of SBAS satellite Description After issuing this command the GPS engine will start to track the dedicated SBAS Satellite If the parameter is 0 the system automatically searches for the SBAS satellite which is available in the user region No Response See also Page 40 of 46 User s Manual V1 2 11 06 Appendix UART Commands PSTMSBASSTART PSTMSBASSTART Start SBAS support Arguments none Description SBAS support will be started Response output of SBAS version information See also V1 2 11 06 User s Manual Page 41 of 46 tyco Appendix UART Commands Electronics PSTMSRR PSTMSRR Reset of the GPS Software Arguments None Description This command reset the Software running on the GPS engine No response See also SES Page 42 of 46 User s Manual V1
19. of Tables 2 3 1 2 Load ephemeris PSTMEPHEM This command load ephemeris data into backup RAM This will end up in hot start e g PSTMEPHEM 1 3 lt byte1 gt lt byte2 gt lt byteN gt 7F 1 PSTMEPHEM Vendor and message identifier 2 1 Satellite ID 3 13 Number of the ephemeris data bytes 4 lt byte1 gt First byte of ephemeris data 5 lt byte2 gt Second byte of ephemeris data 6 lt byteN gt Last byte of ephemeris data 7 7F Checksum Table 10 Load ephemeris data 2 3 1 3 Dump almanacs PSTMDUMPALMANAC This command sends out alamanacs stored in the backup RAM Result e g PSTMALMANAC 1 3 lt byte1 gt lt byte2 gt lt byteN gt 7F 1 PSTMALMANAC Vendor and message identifier 2 1 Satellite ID 3 13 Number of the almanac data bytes 4 lt byte1 gt First byte of almanac data 5 lt byte2 gt Second byte of almanac data 6 lt byteN gt Last byte of almanac data 7 7F Checksum 2 3 1 4 Load almanac Page 18 of 46 Table 11 Almanac data output User s Manual V1 2 11 06 List of Tables and Figures e PSTMALMANAC This command load almanac data into backup RAM This will end up in warm start e g PSTMALMANAC 1 3 lt byte1 gt lt byte2 gt lt byteN gt 7F 1 PSTMEPHEM Vendor and message identifier 2 1 Satellite ID 3 3 Number of the alma
20. ots 8 10 5 Speed kilometers per hour 9 K Kilometers per hour 10 6B Checksum Table 2 VTG example and description V1 2 11 06 User s Manual Page 11 of 46 tyco Electronics 1 3 3 RMC Recommended Minimum Specific GPS Data Lists of Tables e g GPRMC 092516 000 A 4805 8021 N 01132 2243 E 1 9 183 8 270302 0 0 W 7B 1 GPRMC Vendor and message identifier 2 092516 000 UTC Universal Time Coordinated 09h 25m 16 000s 3 A Fix valid or V for invalid or no fix 4 4805 8021 Latitude 48deg 05 8021min 5 IN North or S for south 6 01132 2243 Longitude 011deg 32 2243min 7 E East or W for west 8 1 9 Speed over ground in knots 9 183 8 Track made good degrees true 10 270302 Date ddmmyy 27 March 2002 11 0 0 Magnetic variation degrees 12 W West or E for east 13 7B Page 12 of 46 Table 3 RMC example and description User s Manual V1 2 11 06 List of Tables and Figures 1 3 4 GSA GPS DOP and Active Satellites e g SGPGSA A 3 03 20 14 31 3 7 2 9 2 8 9D 1 GPGSA Vendor and message identifier 2 IA Selection mode 3 3 Mode 4 103 ID of 1 satellite used for fix 5 20 ID of 2 satellite used for fix 6 14 ID of 3 satellite used for fix 7 31 ID of 4 satellite used for fix 8 lt empty gt ID of 5 satel
21. ription Load almanacs data into backup RAM See also Page 19 Table 12 Page 26 of 46 User s Manual V1 2 11 06 Appendix UART Commands PSTMCOLD PSTMCOLD Perform COLD start Arguments none Description Perform COLD Start This command erases all the almanacs and ephemerics stored in the backup RAM and then reboots the system No response See also V1 2 11 06 User s Manual Page 27 of 46 tyco Appendix UART Commands Electronics PSTMDUMPALMANAC PSTMDUMPALMANAC Dump almanacs Arguments None Description This command send out all almanacs data stored in the back up RAM See also Page 28 of 46 User s Manual V1 2 11 06 Appendix UART Commands PSTMDUMPEPHEMS PSTMDUMPEPHEMS Dump ephemeris Arguments none Description This command send out all ephemeris data stored in the back up RAM See also V1 2 11 06 User s Manual Page 29 of 46 tyco Appendix UART Commands Electronics PSTMEPHEM PSTMEPHEM lt ephemeris data gt Load ephemeris data Arguments Ephemeris Code for loading ephemeris data lt sat ID gt lt N gt lt byte1 gt lt byte2 gt lt byteN gt 7F Description Load ephemeris data into backup RAM See also Page 18 Table 10 Page 30 of 46 User s Manual V1 2 11 06 Appendix UART Commands PSTMGPSRESET PSTMGPSRESET Arguments None Description This command resets the GPS module No response See also V1 2 11 06 Users
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