GPS Firmware A1037-A
Contents
1. 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 10 143 Elevation in degrees 11 095 Azimuth in degrees to true 12 148 SNR in dB 13 20 Satellite number 14 17 Elevation in degrees 15 231 Azimuth in degrees to true 16 40 SNR in dB 17 131 Satellite number 18 60 Elevation in degrees 19 190 Azimuth in degrees to true 20 42 SNR in dB 21 7F Checksum Table 6 GSV example and description V2 0 04 07 User s Manual Page 13 of 43 GPS Receiver Firmware A1037 T Tyco Electronics 3 Proprietary Sentences 3 1 Introduction Device manufacturer define extensions of the standard NMEA protocol or sentences thereof e The general format is vendor message parameters CR LF Note that a checksum is NOT required e The combination of vendor message is called address field e The general format of the address field vendor message identifier is P manufacturer code message code with P for proprietary 3 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 sente2. CONF P0 13 NMEA Messages Set Default Leave unconnected NMEA GGA VTG GSA GSV External pull up Baud rate 4800 X Transmit mode on UTC second External pull down NMEA GGA GSA GSV RMC TG TS PA Baud rate 57600 Transmit mode on UTC second Table 1 NMEA configuration This pin will be read by the software during the GPS software start up only Any changes in the setting afterwards will not affect the configuration 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 Electronics GPS modules V2 0 04 07 User s Manual Page 7 of 43 T Tyco Electronics GPS Receiver Firmware A1037 2 Standard NMEA Sentences 2 1 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 NMEA information is transmitted from a vendor in sentences with a maximum length of 80 characters The general format is lt vendor gt lt message gt lt parameters gt lt checksum gt lt CR gt lt LF gt The combination of lt vendor gt lt message gt is called address field The vendor code for the Global Positioning System is GP In this document NMEA sentences refer to the NMEA 01
3. Tyco Electronics GPS Firmware A1037 A A description of the standard GPS firmware provided on Tyco Electronics GPS modules A1037 A User s Manual Version 2 0 Software Revision 4 30 Tyco Electronics This page was intentionally left blank Revision History Revision History Tyco Electronics 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 2 0 04 01 07 New design mm dd yy V2 0 04 07 User s Manual Page 3 of 43 Disclaimer T Tyco 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
4. eeseeeeeeeeeeeeeeee ener 12 2 2 5 GSV GPS EEN 13 3 Proprietary Gentences ENEE 14 EM re Wei e NOT 14 3 2 NMEA Sentence Handling and Baud Rate Set Up ssssssusss 14 3 3 Start up eee 0 9 615 M 15 3 3 1 Avoiding Gold Start Behaviof rrita eite tret n rrt mtis annot sacan dnas sis 16 3 9 1 1 Dump Ephemeris ii ae en tenets ative ed eta dete edet credere EES hei 16 9 0 12 Load We Eu EE 17 9 0 1 3 Dump Run EE 17 E Dale Blue 18 3 3 2 Cold Star antecedent estan EE 18 3 3 3 Warm E EE 18 E EE 18 3 4 Version information PE TT 19 3 5 Support of SBAS Satellite Based Augmentation Systems 19 3 5 1 Enabling SBAS support EE 20 3 5 2 Toggle SBAS support E 20 3 5 3 Ch os SBAS EE 20 EE ee 20 4 Helared INMOMMANOM EE 21 NS OPM eee eegener 21 4 2 Related EE 21 S LISI Ole lee 22 Appendix C UART Commands Heierence en 23 PSTITMALMANA d 24 15 E fe 25 Sheet 26 PSTMDUMPEPHEMS saciid dcdcdc ddd adnate babrdcdasdacceltneaules 27 PoUMEPHEM RE 28 PSIMGPSRESE E 29 PSIMGPSHBESTAMH egueegeegegedctegeeegeh nn anda ndr nd akna kd xa ada xa KR eege wa d 30 V2 0 04 07 User s Manual Page 5 of 43 T Tyco Electronics PSTITMHO T rer 31 FSTMIBIEOREAE ER 32 POTMINIEGEPSdieicenixkrsicontebistnentrdoned roba d editi dist obe deed dado lcd laf 33 PSTMNEAGONF IG iini enr pedea e ac kd ka oe a voci doc x blc bx eai 34 PSTM
5. 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 38 of 43 User s Manual V2 0 04 07 Appendix UART Commands Tyco Electronics PSTMSBASSTART PSTMSBASSTART Start SBAS support Arguments none Description SBAS support will be started Response output of SBAS version information See also V2 0 04 07 User s Manual Page 39 of 43 If Appendix Tyco Electronics UART Commands PSTMSRR PSTMSRR Reset of the GPS Software Arguments None Description This command reset the Software running on the GPS engine No response See also xs Page 40 of 43 User s Manual V2 0 04 07 Appendix UART Commands Tyco Electronics 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 0 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 V2 0 04 07 User s Manual Page 41 of 43 Appendix Tyco Electronics UART Commands PSTMSTOP PSTMSTOP T Stop the GPS engine Arguments T Stop period seconds Acceptab
6. 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 gos tycoelectronics com 4 2 Related Documents e Manual T E GPS Receivers A1037 TYCO e Manual T E GPS Evaluation Kit EVA1037 A TYCO V2 0 04 07 User s Manual Page 21 of 43 T Tyco Electronics List of Tables and Figures 5 List of Tables Table 1 NMEA configuration ica sascetsccncccesennsisedacndtipecasensendsenoteecteboieadiuastenctezotaesiunstice 7 Table 2 GGA example and description ccccceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeneeeeeeeeeeeeeees 9 Table 3 VTG example and description 10 Table 4 RMC example and description 11 Table 5 GSA example and descrppon EE 12 Table 6 GSV example and descrppon EE 13 Table 6 NMEA sentences update part 14 Table 7 NMEA sentences update part 2 15 Table 8 GPS start up SUP DOWN co coperte ee ener ene edecsaetccevescdeseeeeelaceaes eren 15 Table 9 Ephemaris data ODIDLIE acria close ocio peces Dope ovde aues tuno 16 Table 10 Load ephemeris data 17 Table 11 Almanac data output ueoiie ritenere ar panne env nk pega nena spese rip CE egen 17 Table 12 Load En ET DEE 18 Page 22 of 43 User s Manual V2 0 04 07 Appendix UART Commands Tyco Electronics Appendix C UART Commands Reference The following is an explanation of all UART commands in alphabetical
7. Initiates serial number output Issuing this command leads to a one time output of the module serial number See also Page 32 of 43 User s Manual V2 0 04 07 Appendix UART Commands Tyco Electronics PSTMINITGPS PSTMINITGPS position amp timecode Initialize GPS position and time Arguments position amp Code for setting new position and time syntax timecode ooo xxx N S yyyyy yyy E W zzzz DD MM YY YY HH MM SS XXXX XXX N S yyyyy yyy E W ZZZZ DD MM YYYY HH MM SS 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 and time This additional information will help to speed up the starting time under certain circumstances See also V2 0 04 07 No response User s Manual Page 33 of 43 If Appendix Tyco Electronics UART Commands PSTMNEACONFIG PSTMNMEACONFIG lt NMEACONCODE gt Configures NMEA Arguments NMEACONCODE Code for NMEA output sentences configuration syntax O XXXXXXX yyyy Z xxxxxxx UART baud rate yyyy Output message list see below Z 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 Th
8. Please note Ephemeris data are valid for 4 hours Almanac data are valid for 3 month 3 3 1 1 Dump Ephemeris e PSTMDUMPEPHEMS This command sends out all ephemeris stored in the backup RAM in this format e g SPSTMEPHEM 1 3 byte1 byte2 byteN 7F 1 PSTMEPHEM Vendor and message identifier 2 1 Satellite ID 3 13 Number of the ephemeris data bytes 4 byte1 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 Page 16 of 43 User s Manual V2 0 04 07 GPS Receiver Firmware A1037 Tyco Electronics 3 3 1 2 Load Ephemeris e 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 7 EF Checksum Table 10 Load ephemeris data 3 3 1 3 Dump Almanacs e PSTMDUMPALMANAC This command sends out almanacs stored in the backup RAM in this format e g PSTMALMANAC 1 3 lt byte1 gt lt byte2 gt lt byteN gt 7F 1 PSTM
9. 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 Table 4 RMC example and description V2 0 04 07 User s Manual Page 11 of 43 T Tyco Electronics GPS Receiver Firmware A1037 2 2 4 GSA GPS DOP and Active Satellites e g GPGSA A 3 03 20 14 31 3 7 2 5 2 8 3D 1 GPGSA Vendor and message identifier 2 A Selection mode 3 13 Mode 4 03 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 empty ID of 5 satellite used for fix 9 lt empty gt ID of 6 satellite used for fix 10 empty ID of 7 satellite used for fix 11 empty ID of 8 satellite used for fix 12 empty ID of 9 satellite used for fix 13 empty ID of 10 satellite used for fix 14 empty ID of 11 satellite used for fix 15 empty 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 SD Checksum Page 12 of 43 Table 5 GSA example and description User s Manual V2 0 04 07 GPS Receiver Firmware If A1037 Tyco Electronics 2 2 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
10. 83 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 2 2 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 Page 8 of 43 User s Manual V2 0 04 07 GPS Receiver Firmware A1037 Tyco Electronics 2 2 1 GGA Global Positioning 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 b 01132 23172 Longitude 011deg 32 231 72min 6 E 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 2 5 Horizontal dilution of precision 10 10607 75 Antenna altitude above below mean sea level geoid 11 M Unit of antenna altitude meters 12 47 6 Geoidal sep
11. ALMANAC Vendor and message identifier 2 1 Satellite ID 3 13 Number of the almanac data bytes 4 lt bytei 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 11 Almanac data output V2 0 04 07 User s Manual Page 17 of 43 GPS Receiver Firmware A1037 T Tyco Electronics 3 3 1 4 Load Almanacs 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 13 Number of the almanac data bytes 4 byte1 First byte of almanac data 5 lt byte2 gt Second byte of almanac data 6 lt byteN gt Last byte of almanac data 7 7 EF Checksum Table 12 Load almanac data 3 3 2 Cold Start e PSTMCOLD This command erases all the almanacs and ephemeris stored in the backup RAM and then reboots the system 3 3 3 Warm Start e PSTMWARM This command erases all ephemeris stored in the backup RAM and then reboots the system 3 3 4 Hot Start e PSTMHOT This command reboots the system without erasing any data Page 18 of 43 User s Manual V2 0 04 07 GPS Receiver Firmware A1037 Tyco Electronics 3 4 Version information A special command is implemented in order to return the
12. NMEAONOFF get 35 i lil EE 36 PSTMSBASONOF POO cO O0 eee 37 edis i EE 38 POIMSEASS TAR E 39 PSTMSRR orep renra eege eege 40 PSTMST BY e aaa ae EE EENEG 41 EE te 42 HAT 43 Page 6 of 43 Table of Contents User s Manual V2 0 04 07 GPS Receiver Firmware A1037 Tyco Electronics 1 Introduction 1 1 General 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 i e a description of the outputs coming from this interface and a summary of the commands that can be issued to this interface This will allow easy and full adjustment and control of the module 1 2 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 e 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 Using Pin P0 13 two different set of GPS NMEA out messages with two different baud rates can be selected
13. PRN 137 MTSAT 2 at 145 0 E V2 0 04 07 User s Manual Page 19 of 43 GPS Receiver Firmware A1037 T Tyco Electronics 3 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 3 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 3 5 3 Choose SBAS satellite e PSTMSBASSAT 120 After issuing this command 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 3 6 SW Reset This command will reset the GPS engine The command is named e PSTMGPSRESET Page 20 of 43 User s Manual V2 0 04 07 GPS Receiver Firmware A1037 Tyco Electronics 4 Related Information 4 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
14. TRONICS THIS DOCUMENT MAY PROVIDE LINKS TO 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 43 User s Manual V2 0 04 07 Table of Contents Tyco Electronics Table of Contents JEE eene ee 7 1A General EL 7 1 2 Serial Port Configuration mE E 7 2 Standard NMEA EE 8 SEI ue 8 2 2 Supported NMEA Sentences ann 8 2 2 1 GGA Global Positioning System Fix Data etn teneo 9 2 2 2 VTG Course Over Ground and Ground Speed sssseessssersseertrterereerssrrrnserrnnnrrenne 10 2 2 3 RMC Recommended Minimum Specific GPS Data ec cceeeeeeeeeeeeneeeeeeenteeeeeeeees 11 2 2 4 GSA GPS DOP and Active Satellites
15. 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 XXX latitude in degrees minutes and fractions of minutes N S north or south yyyyy yyy longitude in degrees minutes and fractions of minutes EN 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 V2 0 04 07 User s Manual Page 15 of 43 GPS Receiver Firmware A1037 T Tyco Electronics For example to set the date to March 25 2006 the time to 1 05 p m and the location is closed to Munich 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 3 3 1 Avoiding Cold Start Behavior A1037 A is a ROM based GPS receiver module Powering 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 avoided by reading out the ephemeris almanacs before powering down the module and reload it after powering up the module again
16. aration 13 M Unit of geoidal separation meters 14 empty Age of differential GPS data null field when DGPS is not used 15 empty Differential reference station ID null field when DGPS is not used 16 67 Checksum Table 2 GGA example and description V2 0 04 07 User s Manual Page 9 of 43 GPS Receiver Firmware A1037 T Tyco Electronics 2 2 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 4169 3 Track degrees 3 IT True 4 lt empty gt Track degrees not supported 5 M Magnetic not supported 6 0 3 Speed knots 7 N Knots 8 0 5 Speed kilometers per hour 9 K Kilometers per hour 10 6B Checksum Table 3 VTG example and description Page 10 of 43 User s Manual V2 0 04 07 2 2 3 RMC Recommended Minimum Specific GPS Data GPS Receiver Firmware A1037 Tyco Electronics 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 b N 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 1183
17. e 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 34 of 43 User s Manual V2 0 04 07 Appendix UART Commands Tyco Electronics 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 V2 0 04 07 User s Manual Page 35 of 43 Appendix Tyco Electronics UART Commands PSTMRMC PSTMRMC Arguments Description See also Page 36 of 43 Toggle RMC message none Controls NMEA sentence GPRMC Toggle the NMEA output message If it has been switched ON before it becomes switched OFF and vice versa User s Manual V2 0 04 07 Appendix UART Commands Tyco Electronics 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 V2 0 04 07 User s Manual Page 37 of 43 Appendix Tyco Electronics UART Commands PSTMSBASSAT PSTMSBASSAT lt SBAS ID gt Change SBAS satellite Arguments
18. le 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 42 of 43 User s Manual V2 0 04 07 Appendix UART Commands Tyco Electronics PSTMWARM PSTMWARM Perform WARM start Arguments none Description Perform WARM Start This command erases all the ephemerides stored in the backup RAM and then reboots the system No response See also V2 0 04 07 User s Manual Page 43 of 43
19. nce PSTMNMEACONFIG lt NMEACONCODE gt Configures NMEA Arguments NMEACONCODE Code for NMEA output sentences configuration syntax O XXXXXxx yyyy 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 Page 14 of 43 User s Manual V2 0 04 07 GPS Receiver Firmware A1037 Tyco Electronics Available NMEA output messages message IDs Message ID GGA5 NMEA GGA NMEA 2 GSA NMEA 4 GSV NMEA 8 VTG NMEA 16 RMC NMEA 64 zech Table 7 NMEA sentences update part 2 3 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
20. nts none Description This command sends out all ephemeris data stored in the back up RAM See also 3 3 1 1 Dump Ephemeris V2 0 04 07 User s Manual Page 27 of 43 If Appendix Tyco Electronics UART Commands PSTMEPHEM PSTMEPHEM lt ephemeris data gt Load ephemeris data Arguments Ephemeris Code for loading ephemeris data 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 3 3 1 2 Load Ephemeris Page 28 of 43 User s Manual V2 0 04 07 Appendix UART Commands Tyco Electronics PSTMGPSRESET PSTMGPSRESET Reset the GPS engine Arguments None Description This command resets the GPS module No response See also SC V2 0 04 07 User s Manual Page 29 of 43 Appendix Tyco Electronics DEE PSTMGPSRESTART PSTMGPSRESTART Restarts the GPS engine Arguments None Description This command restarts the GPS module No response See also SC Page 30 of 43 User s Manual V2 0 04 07 PSTMHOT PSTMHOT Arguments Description See also V2 0 04 07 Appendix UART Commands Tyco Electronics Perform HOT start none Perform HOT Start This command reboots the system without erasing any backup data No response User s Manual Page 31 of 43 Appendix Tyco Electronics UART Commands PSTMINFOREAD PSTMINFOREAD Initiates serial number output Arguments none Description
21. order that will be recognized by the module with the current firmware revision The following notation is used option optional parameters option position placeholder position a b c selection of aor borc Example 1 PSTMNMEACONFIG 0 4800 65 1 This command will output HMC and GGA NMEA sentences with 4800 baud after getting a fix V2 0 04 07 User s Manual Page 23 of 43 If Appendix Tyco Electronics UART Commands PSTMALMANAC PSTMALMANC lt almanacs data Load Almanacs data Arguments Almanacs Code for loading almanacs data lt sat ID gt lt N gt lt byte1 gt lt byte2 gt lt byteN gt 7F Description Load almanacs data into backup RAM See also 3 3 1 4 Load Almanacs Page 24 of 43 User s Manual V2 0 04 07 Appendix UART Commands Tyco Electronics PSTMCOLD PSTMCOLD Perform COLD start Arguments none Description Perform COLD Start This command erases all the almanacs and ephemerides stored in the backup RAM and then reboots the system See also V2 0 04 07 User s Manual Page 25 of 43 Appendix Tyco Electronics UART Commands PSTMDUMPALMANAC PSTMDUMPALMANAC Dump almanacs Arguments None Description This command sends out all almanac data stored in the back up RAM See also 3 3 1 3 Dump Almanacs Page 26 of 43 User s Manual V2 0 04 07 Appendix UART Commands Tyco Electronics PSTMDUMPEPHEMS PSTMDUMPEPHEMS Dump ephemeris Argume
22. 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 3 5 Support of SBAS Satellite Based Augmentation Systems 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 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 at 142 0 W PRN 134 Inmarsat 3F3 POR at 178 0 E PRN 135 Galaxy 15 PanAmSat at 133 0 W PRN 138 Anik F1R at 107 3 W The following PRNs have been allocated to the EGNOS system region Europe Africa and Venezuela PRN 120 Inmarsat 3F2 AOR E at 15 52 W PRN 124 Artemis at 21 5 E PRN 126 Inmarsat 3F5 IOR W at 25 0 E PRN 131 Inmarsat 3F1 IOR E at 64 0 E The following PRNs have been allocated to the MSAS system region Japan Australia and Hawaii PRN 129 MTSAT 1 at 140 0 E
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