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Siemens XT55 AVL User's Manual

1. Figure 7 ASCII setup Next open a text file and write the desired command see Figure 8 Please note that after the command is written the enter key needs to be pressed in order to complete the NMEA command lt CR gt lt LF gt else the command will be ignored from the XT55 module To save the active document to its current name and directory just open File menu and click Save item Then close the current file t 0e C Ble 4 wi ela Ext SPSRF112 30 1111 26 r kal 4 F For Help press F1 Ln Col 1 CO pas Mod 04 03 2004 10 38 56 File Size 4 Figure 8 Example of an extended NMEA command XT55_avl_ug_V03 Page 12 of 37 28 06 2004 XT55 AVL User s Guide Confidential Released SIEMENS Mobile Next click the Transfer on the HyperTerminal menu and select Send text file Th New Connection HyperTerminal File Edit View Call Transfer Help D el3 x O x Send File Receive File GPGSV 2 2 07 GPRMC 152551 GPGGA 152552 GPGSA A 3 11 GPGSV 2 1 07 GPGSV 2 2 07 GPRMC 152552 gt Capture Text 7 Send Text File 7 3 Capture to Printer 11 67 285 37 31 45 186 36 14 28 19 296 37 22 17 057 36 03 723 A4 5040 4076 N 01058 8465 13 163 33 42 E 0 43 202 03 030304 07 1 07 1 0 490 2 M 0000 03 0 1 6 30 44 079 41 20 27 235 37 77 13 163 34 46 E 0 10 46 76 030304 30 FADMY 2 2 07 28 19 296 35 22 17 057 34 03 13 163 3
2. RMC Time date position course and speed data VTG Course and speed information relative to the ground 4 2 How to switch the XT55 AVL in the command mode and vice versa While running XT55 AVL software the module can be easily switched back and forth from GPS mode to command mode To set the XT55 module to command mode enter the AT 1 lt enter gt command It should be mentioned that while entering the AT command the module still receives GPS data and the typed characters will not de displayed on the screen In order to switch the echo mode on the command ATE1 lt enter gt has to be sent The XT55 module can be switched back to GPS mode by issuing the AT 0 lt enter gt command NOTE Hardware handshake on the terminal software should be deactivated otherwise the commands are ignored from the terminal software XT55_avl_ug_V03 Page 34 of 37 28 06 2004 XT55 AVL User s Guide Si EM ENS Confidential Released Mobile 4 3 Digital Inputs The input pins pin 20 GPIO 15 pin 30 GPIO 3 of the 80 pin board to board connector are pre defined as digital inputs These input pins can be connected to the CMOS 3 3V DC The figure below illustrates how to connect these inputs Input 3 3 V DC GPIO15 3 Low O to 0 8 V DC High 2 0 to 3 3 V DC 80 pin connector a 41 40 XT55 Figure 12 Connection example for GPIO 15 and GPIO 3 User application XT55_avl_ug_V03 Page 35 of 37 28 06 2004 X
3. XX CheckSum has to be calculated Example 2 PSRF112 23 08 This command deletes all existing entries phone numbers in the list and disables the remote tracking function Parameter description value configure the remote tracking Defined values 24 displays the authorized phone numbers for remote access XX CheckSum has to be calculated Example 3 PSRF112 24 0F This command displays all telephone numbers entered in the list Response phone number 1 012345678 phone number 2 012355689 phone number 9 012449677 Page 21 of 37 28 06 2004 XT55 AVL User s Guide SIEMENS Confidential Released Mobile Enable the GSM functionality PSRF112 Parameter description ae 30 enable the GSM functionality i e deactivate PIN request XX PIN enter the PIN number of SIM card XX CheckSum has to be calculated Example 1 PSRF112 30 1111 26 This command enters the PIN number of SIM card also deactivates the PIN request of SIM card PSRF 112 The write command updates the SMSC address through which mobile originated 21 SMs are transmitted In text mode the setting is used by send and write ServiceCentre commands In PDU mode the setting is used by the same commands but only Format when the length of the SMSC address coded into lt pdu gt parameter equals zero XX Note This command writes the service centre address to non volatile memory For further information refer to 1 31 Confi
4. 1 4 Temp 1nt strCommand charAt 1 LCS 1Cs i Temp if Integer toHexString iCS length 1 strCSt Integer toHexString 1iCS else strCs Integer toHexString 1CS gysten Out pPrintin Checksum Fst rCS 7 Therefore the string over which the checksum has to be calculated is see example below field PSRF112 21 without the character lt CR gt lt LF gt Each message is terminated using Carriage Return CR Line Feed LF which is inn which is hex OD OA Because Inn are not printable ASCII characters they are omitted from the example strings but must be sent to terminate the message and cause the receiver to process that input message Example PSRF112 21 0A Command Parameter Checksum End Sequence PSRF 112 21 OA lt CR gt lt LF gt XT55_avl_ug_ V03 Page 18 of 37 28 06 2004 XT55 AVL User s Guide Si EM ENS Confidential Released Mobile 3 2 1 2 Extended NMEA command description Please note that all extended NMEA commands beginning with PSRF111 are for internal test purposes only Whereas all extended NMEA commands beginning with PSRF112 and PSRF109 are implemented for configuration of history alarm and remote tracking function Please note that all NMEA commands which have to be sent to the XT55 module are accepted when the End Sequence lt CR gt lt LF gt is also included The End Sequence lt CR gt lt LF gt tells the GPS receiver that the received comma
5. GSV RMC and VTG e Enables the key configuration with pre defined RMC messages e Enables the device to send a SMS periodically to the authorized number in the case of an alarm on the configured keys e Disables the periodically sending of SMS Furthermore the current status of the device can be requested using the XT55 AVL software The displayed settings are Overview of all implemented history alarm and remote tracking commands Displaying all authorized phone numbers Show the current address of service center Read current history settings Disable the key configuration Display the settings of defined key XT55_avl_ug_V03 Page 17 of 37 28 06 2004 XT55 AVL User s Guide Si EM ENS Confidential Released Mobile 3 2 1 Extended NMEA commands 3 2 1 1 Command Syntax The XT55 module accepts NMEA commands in the following formats PSRF lt command gt lt parameter gt lt parameter gt lt Checksum gt lt CR gt lt LF gt Command Parameter Checksum PSRF11 Data End Sequence CKSUM lt CR gt lt LF gt 1 NMEA command Valid parameters The checksum consists of a Checksum use your own application which calculates the Checksum Below a small source code is written in Java followed by 2 digit hex value of checksum In order to calculate the private static void calcCS String strCommand TAE IOo 0 int iTemp 0 String Sstrcs 0 for int 1 0 1 lt strCommand length
6. startTime stopDate stop Time XX PSRF109 rawData startdate startTime stopDate stop Time XX PSRF112 4 EXX PSRF112 5 XX XT55 avl_ug VO3 SIEMENS Mobile Download history from XT55 AVL using specified parameters Parameter description rawData configure the data format Defined value 0 request history in the NMEA format startdate start date in DDMMYY format startTime the start time in HHMMSS format stopDate the stop date in DDMMYY format stopTime the stop time in HHMMSS format XX CheckSum has to be calculated Example PSRF109 0 280104 155811 300104 150000 37 This command enables you to retrieve stored GPS history data either from a directly connected XT55 AVL or via remote connection In this example the GPS history is requested for the period starting on 28 January 2004 at 15 58 11 and ends on 30 January 2004 at 15 00 00 Please note that all data in the on board memory are stored according to the UTC time Universal Time Coordinated The parameters of this command are also based on the UTC time Note To download the GPS history data please consider the UTC Time otherwise you will download the stored data in the incorrect time Download history from XT55 AVL using specified parameters Parameter description rawData configure the data format Defined value 1 request history in the SIRF binary format Clear history data Example PSRF112 4 3D This c
7. Import saved text file ooocococccoccoconococnoccnoconnccanocononnononnonnnnonannonanonanenanoss 13 Figure 10 Select text file with included COMMAnNd S ocooccccocnccocncocnccononocononcncnnnononcnannnonnos 13 FIG US MARSON lO asii E aeeanceaucea de patentee R 15 Figure 12 Connection example for GPIO 15 and GPIO 3 o oocncnccccncnccccncccnnoncnnncncnononanononons 35 Figure 13 Example application of XT55 module with integrated AVL software 36 Tables Table 1 Conditions for saving data in the GPS hiStOry occccoccccocnccccncccncnonncncnconnnnnnnnnnnnnnos 16 Table 2 Programming example ccccccccccceecceeeceeeceeeceeeceeeseeeseeeseeeseeesuesaeeeaeeeseesseeseeseeeses 16 Table 3 Average supply current without antenna ooccocccccncocncocncocnconnnncnnnconanonancnancnnncononos 37 XT55_avl_ug_VO3 Page 4 of 37 28 06 2004 XT55 AVL User s Guide SIEMENS Confidential Released Mobile 0 Version history Preceding document XT55 AVL Software User s Guide Version 02 New document XT55 AVL Software User s Guide Version 03 Chapter What is new 2 front page Added trademark notice regarding SiRF software 5 Revised Figure 13 improved description of example application Preceding document XT55 AVL Software User s Guide Version 01 New document XT55 AVL Software User s Guide Version 02 Chapter What is new 2 front page New version of General Notes 3 1 Revised Figure 1
8. description value configure the download procedure Defined value 30 performs the test of debugging XX CheckSum has to be calculated Example PSRF111 30 09 Response Information about the performed flash test XT55_avl_ug_VO3 Page 30 of 37 28 06 2004 XT55 AVL User s Guide SIEMENS Confidential Released PSRF111 value XX PSRF111 value XX PSRF111 value XX PSRF111 value XX Mobile Parameter description value configure the download procedure Defined value 4 performs the test of serial port XX CheckSum has to be calculated Example PSRF111 4 3E Response ERR malfunction detected OK serial port 2 successfully tested Parameter description value configure the download procedure Defined value 5 performs automatic test XX CheckSum has to be calculated Example PSRF111 5 3F Response ERROR GPIO or SUCCESS ERROR COM2 ERROR GPIO COM2 Parameter description value configure the download procedure Defined value 50 performs automatic test XX CheckSum has to be calculated Example PSRF111 50 0F Response ERROR GPIO or SUCCESS ERROR COM2 ERROR GPIO COM2 Parameter description value configure the download procedure Defined value 7 performs the test of GSM board continuity XX CheckSum has to be calculated Example PSRF111 7 3D Response ERROR or SUCCESS XT55_avl_ug_V03 Page 31 of 37 28 06 2004 XT55 AVL User s G
9. 0 420 6 M 0000 06 GPRMC 152606 GPCGA 152607 GPGSA A 3 11 GPGSV 2 1 07 GPGSV 2 2 07 GPRMC 152607 GPGGA 152608 GPGSA A 2 14 GPGSV 2 1 07 GPGSV 2 2 07 GPRMC 152608 GPGCA 152608 723 A 5040 4057 N 01058 8481 723 5040 4057 N 01058 8483 E 31l1 14 20 22 28 03 1l 9 1 11 67 285 35 31 45 186 31 14 28 19 296 35 22 17 057 34 03 723 A 5040 4057 N 01058 8483 722 5040 4056 N 01058 8483 E E 0 48 347 06 030304 03 1 07 1 0 494 3 M 0000 0E 0 1 6 30 44 079 40 20 27 235 36 72 13 163 29 4A E 0 49 116 20 030304 03 1 03 11 2 494 2 M 0000 37 recorra 15 0 11 2 10 0 0B 11 67 285 33 31 45 186 26 14 28 19 296 32 22 17 057 30 03 722 A 5040 4056 N 01058 8483 000 5040 4059 N 01058 8483 E 44 079 38 20 27 235 34 7F 13 163 27 47 E 0 34 185 79 030304 00 0 00 50 0 494 3 M 0000 3B PO rs rd 50 0 50 0 50 0 05 GPGSV 2 1 07 11 67 285 27 31 45 186 20 14 44 079 34 20 27 235 30 74 GPGSV 2 2 07 28 19 296 26 22 17 057 26 03 13 163 25 47 GPRMC 152608 000 S 5040 405929 N 01058 8483 E 030304 1F Connected 0 01 55 Auto detect SCROLL Auto detect CAPS NUM Capture Print echo Select the saved text file eula txt and click the open button Figure 9 Import saved text file The text file including command s is sent directly to the connected module XT55 7 New Connection HyperTerminal File Edit View Call Transfer Help O x Diel sla ole
10. 1 History filter Sele New chapter giving examples how to set filters for GPS history data 3 2 1 1 Added footnote 4 regarding the termination of messages and further information about carriage return and line feed 3 2 New chapter explaining the advantages of the implemented XT55 AVL software 3 2 1 2 Added new commands e PARF112 1 e PARF112 2 e PARF112 4 e PARF112 5 e PSRF112 31 e PSRF112 32 e PSRF103 e PRSF109 9 Added new chapter Example application XT55_avl_ug_VO3 Page 5 of 37 28 06 2004 XT55 AVL User s Guide Si EM ENS Confidential Released Mobile 1 Overview of the document The XT55 module supporting GSM GPRS and GPS features contains the Automatic Vehicle Location software application AVL which can be configured The Global Positioning System GPS is a satellite based navigation system made up of a network of 24 satellites placed into orbit GPS satellites receive data to determine the current position of the tracked vehicle The concept of the device is based on a simple implementation for a wide range of applications with low costs and high flexibility In particular it offers a fast development of system solutions within the fields of e Tracking The vehicle to be tracked is fitted with the module XT55 including a GPS and a GSM antenna GPS satellites are continuously transmitting a radio message containing information including when the data was sent which satellite sent it and the current reliability of th
11. 37 22 17 05 GPRMC 152551 723 A 5040 4075 N 010 S GPGGA 152552 723 5040 4076 N 01058 GPGSA A 3 11 31 14 20 22 28 03 GPGSV 2 1 07 11 67 285 37 31 45 18 GPGSV 2 2 07 28 19 296 37 22 17 05 GPRMC 152552 723 A 5040 4076 N 010 FADMY 2 2 07 28 19 296 35 22 17 057 GPRMC 152606 723 A 5040 4057 N 010 GPGGA 152607 723 5040 4057 N 01058 GPGSA A 3 11 31 14 20 22 28 03 GPGSV 2 1 07 11 67 285 35 31 45 18 GPGSV 2 2 07 28 19 296 35 22 17 05 GPRMC 152607 723 A 5040 4057 N 010 GPGGA 152608 722 5040 4056 N 01058 A A poorer 15 0 1 GPGSV 2 1 07 11 67 285 33 31 45 18 GPGSV 2 2 07 28 19 296 32 22 17 05 Y New Connection Pi opertie Connect To Settings SIEMENS Mobile On the appeared window thick the check box with caption Send line ends with line feeds x B Asci Setup 2 xi ASCII Sending dE Y Send line ends with line feeds Echo typed characters locally L_ Line delay o milliseconds Em Jac Character delay o milliseconds L mE i Tel r ASCII Receiving 7 Append line feeds to incoming line ends Force incoming data to 7 bit ASCII V Wrap lines that exceed terminal width GPRMC 152608 722 4 5040 4056 N 010 GPGGA 152608 000 5040 4059 N 01058 FPS A A leeceececceeve 50 0 50 0 50 GPGSV 2 1 07 11 67 285 27 31 45 18 GPGSV 2 2 07 28 19 296 26 22 17 05 GPRMC 152608 000 3 5040 4059 N 010 Connected 0 01 55 Auto detect Auto de Cancel OK Cancel
12. El Send Text File History Desktop My Computer Kc im My Network P File name Files of type inetsr ShellExt spool wbem wins Macromed Microsoft mui Cinpp NtmsData os2 ras rocket rpcproxy Setup eula txt Text file TXT F Cancel WZ ds Figure 10 Select text file with included command s In order to configure and evaluate remote the XT55 unit prerequisite is the connection of a suitable GSM modem then establish a data connection to the XT55 module via AT commands see below then follow the steps described above How to establish a data conn AT OK AT CPIN lt pin gt OK ATDO123213346 CRING ASYNC Connect 9600 XT55 avl_ug VO3 ection to the XT55 AVL send command respond fenter the pin number and send command respond fenter the XT55 AVL phone number and send command respond respond receiving protocols Page 13 of 37 28 06 2004 XT55 AVL User s Guide Si EM ENS Confidential Released Mobile 3 Tracking The GPS satellites in orbit are continuously transmitting radio signals Each satellite transmits a unique code allowing the GPS receiver to identify its position time and speed The main purpose of these received signals is to carry out the necessary calculation to determine the current position of the vehicle 3 1 History function The embedded GPS receiver continuously calculates the current position da
13. MC 152552 723 A4 5040 4076 N 01058 8465 E 0 10 46 76 030304 30 FADMY 2 2 07 28 19 296 35 22 17 057 34 03 13 163 30 420 6 M 0000 06 GPRMC 152606 723 A 5040 4057 N 01058 8481 E 0 48 347 06 030304 03 GPGCA 152607 723 5040 4057 N 01058 8483 E 1 07 1 0 494 3 M 0000 0E GPGSA A 3 11 31 14 20 22 28 03 1 9 1 0 1 6 30 GPGSV 2 1 07 11 67 285 35 31 45 186 31 14 44 079 40 20 27 235 36 72 GPGSV 2 2 07 28 19 296 35 22 17 057 34 03 13 163 29 4A GPRMC 152607 723 A 5040 4057 N 01058 8483 E 0 49 116 20 030304 03 GPGGA 152608 722 5040 4056 N 01058 8483 E 1 03 11 2 494 2 M 0000 37 GPGSA A 2 14 22 28 15 0 11 2 10 0 0B GPGSV 2 1 07 11 67 285 33 31 45 186 26 14 44 079 38 20 27 235 34 7F GPGSV 2 2 07 28 19 296 32 22 17 057 30 03 13 163 27 47 GPRMC 152608 722 4 5040 4056 N 01058 8483 E 0 34 185 79 030304 00 GPGCA 152608 000 5040 4059 N 01058 8483 E 0 00 50 0 494 3 M 0000 3B O A raro 0 0 5005070406 GPGSV 2 1 07 11 67 285 27 31 45 186 20 14 44 079 34 20 27 235 30 74 GPGSV 2 2 07 28 19 296 26 22 17 057 26 03 13 163 25 47 GPRMC 152608 000 8 5040 4059 N 01058 8483 E 030304 1F Connected 0 01 55 Auto detect Auto detect SCROLL CAPS NUM Capture Print echo Se Figure 5 Displaying of the transmitted NMEA protocols Next click the Property button Then select the settings tab sheet Click the ASCI setup button Ys New Connection HyperTerminal PT TA O xj File Edit View Call Transfer H
14. SIEMENS Mobile X T55 AVL Siemens Cellular Engine Version 03 DocID XT55_avl_ug_V03 a amp mi T ii BE S UE psa Ph I A hE me ba mr g B q 2 mer Ebo os T a b ma SS nrdd LETINO ITN User s Guide XT55 AVL User s Guide Si EM ENS Confidential Released z Mobile General note Product is deemed accepted by Recipient and is provided without interface to Recipient s products The Product constitutes pre release version and code and may be changed substantially before commercial release The Product is provided on an as is basis only and may contain deficiencies or inadequacies The Product is provided without warranty of any kind express or implied To the maximum extent permitted by applicable law Siemens further disclaims all warranties including without limitation any implied warranties of merchantability fitness for a particular purpose and noninfringement of third party rights The entire risk arising out of the use or performance of the Product and documentation remains with Recipient This Product is not intended for use in life support appliances devices or systems where a malfunction of the product can reasonably be expected to result in personal injury Applications incorporating the described product must be designed to be in accordance with the technical specifications provided in these guidelines Failure to comply with any of the required procedures can result in malfu
15. Sum has to be calculated Example 1 PSRF112 20 2 012345678 01 This command writes a phone number in the list which is authorized to access the XT55 remotely lt overwrites the previously entered phone number at the selected position Parameter description value configure the remote tracking Defined values 21 enables remote tracking for any mobile phone XX CheckSum has to be calculated Example 1 PSRF112 21 0A This command deletes all existing entries phone numbers in the list In this case itis possible to have remote access from any GSM modem or mobile phone to the XT55 module Page 20 of 37 28 06 2004 XT55 AVL User s Guide SIEMENS Confidential Released PSRF 112 value position XX PSRF112 value XX PSRF112 value XX XT55_avl_ug_V03 Mobile Parameter description value configure the remote tracking Defined values 22 deletes and disables remote tracking for specified phone number s in the list position enter the position of authorized telephone numbers into the list 0 9 available XX CheckSum has to be calculated Example 1 PSRF112 22 2 17 This command deletes the existing phone number listed in the given position in our example position 2 and disables the remote tracking for this number Parameter description value configure the remote tracking Defined values 23 disable remote tracking and delete all phone numbers in the list
16. T55 AVL User s Guide Confidential Released 5 Example application 1SS SIEMENS Mobile GPS Antenna 3V 355 470 3V 3 BATT GSM Antenna lt z N Li lon 7 TN 4V3 aT T battery pack LA V 8V 470uF ee ON OFF 33pF 2 2uF R CRS04 SI3441DV Ne LNA les alee o e PR a J p A A EN EA A ae f VAN ANI 5 Charger pea E 3k3 E 7 O p Bl 10k e vec GPIO4 RFPC1 VDD BATT o mA de e GPI08 A ig BATT_TEMP TN RFPCO AX VCC_RF XT55 CHARGE 3V3 POWER 10k Seeks y ECRST SIM A OO GPS GSM CCIN ESD protection Ao CCGND e g 1 5 ESDA6V1 5W6 3V3 j o eka 2 x e 18HG TP Testpoint 470k EPP1 a o EPN1 x r edo Ae Headset Alarm 1 MICP1 Xy xy 33pF 33pF Cle e mim E GPIO10 MICN1 o o a7 e earpiece BOOT MICP2 N m mic N a 33pF SDI1 SDO1 SEL SDO2 SDI2 GND RXDO_ TXDO IGT MICN2 ax AS 7 P ss 100nF 0 0 TP i BATT TP TP TP ELA ON OFF onan i ae gt n CABO L hp 470k NAL TP 470k 3V3 H i T
17. XT55_avl_ug_V03 Page 36 of 37 Figure 13 Example application of XT55 module with integrated AVL software 28 06 2004 XT55 AVL User s Guide SIEMENS Confidential Released mobile Figure 13 shows a typical example of a portable AVL application set Power will be supplied from an integrated Li lon battery pack The charging control is integrated in the GSM part of the XT55 module and can be used for the entire module see 2 for details The headset jack is assigned to audio interface 1 of the XT55 module The MICP2 and MICNZ lines are intended for feeding a microphone Switch on off procedure The GSM part of the XT55 module can be powered on by pressing the ON OFF key The ignition line IGT goes low level via the pnp transistor During the start up procedure the VDD line output goes active high and the low drop regulator will be switched on This causes the GPS part of the XT55 module to start up When pressing the ON OFF key during operation the XT55 module will be switched off safely using the internally activated AT SMSO command NOTE No warranty can be given for the example above because the functionality and the compliance with regional regulations are depending in a great amount on the used electronic components and the application layout Power supply ratings can be found in Table 3 For further details refer to 2 Table 3 Average supply current without antenna Parameter Description Conditions Typ Unit lers vec Ave
18. cation failure it did not respond to the entered command and ended in timeout which is currently set to 5 seconds XT55_avl_ug_V03 Page 23 of 37 28 06 2004 XT55 AVL User s Guide SIEMENS Confidential Released Mobile Commands build in the history function PSRF112 1 LOG parameter s XX PSRF112 2 XX XT55_avl_ug_V03 Parameter description ile enable history function Parameters configure history function Defined values numSat Minimum number of satellites required for storage in the GPS history MinTime Minimum time interval for saving GPS protocols in the GPS history MaxTime Maximum time interval for saving GPS protocols in the GPS history MinDist Minimum covered distance for saving GPS protocols in the GPS history MaxDist Maximum covered distance for saving GPS protocols in the GPS history MinSpeed Minimum driving speed for saving GPS protocols in the GPS history MaxSpeed Maximum driving speed for saving GPS protocols in the GPS history FXX CheckSum has to be calculated Example 1 PSRF112 1 LOG 3 5 0 0 40 20 50 68 This command enables the GPS history function with entered values Please refer to the Chapter 3 1 1for detailed examples The XT55 AVL stores location data in the history memory as follows e every 40 m if the vehicle has a speed less then 20km h e every 5 seconds if the vehicle is driving at a speed of between 20 and 50 km h e every second
19. e 7 of 37 28 06 2004 XT55 AVL User s Guide Si EM ENS Confidential Released Mobile 1 2 Related documents 1 XT55 AT Command Set 2 XT55 Hardware Interface Description 3 XT55 GPS Startup Users Guide 4 XT55 GPS Command Specification 5 XT55 TCP IP Software User s Guide 6 GPRS Startup User s Guide 7 Remote SAT User s Guide 8 GSM GPS Evaluation Board Description 9 Application Note 16 Upgrading XT55 Firmware 10 Application Note 14 Audio and Battery Parameter Download 11 Application Note 02 Audio Interface Design 12 Application Note 24 Application Developer s Guide 13 Multiplexer User s Guide 14 Multiplex Driver Developer s Guide for Windows 2000 and Windows XP 15 Multiplex Driver Installation Guide for Windows 2000 and Windows XP Prior to using the XT55 engines or upgrading to a new firmware release be sure to carefully read the latest product information To visit the Siemens Website you can use the following link http www siemens com wm XT55_avl_ug_VO3 Page 8 of 37 28 06 2004 XT55 AVL User s Guide Si EM ENS Confidential Released Mobile 2 How to configure and evaluate the XT55 module The XT55 device can be easily configured and evaluated by the customer using the local RS 232 interface directly connected to the serial port or via remote e g installed in a vehicle GSM air link With the Windows HyperTerminal application utility that is preinstalled on all vers
20. e system The XT55 containing the AVL software fitted in a vehicle receives this information from at least 4 satellites and carries out the necessary calculations to determine its current position e AVL The GPS receiver embedded into the XT55 module determines its current location speed and heading These data can either be stored or directly transmitted to an operating center The terminal reports its position to the call center over GSM communications network The current position can be displayed on a PC PDA in digital maps which must be obtained separately Depending on the configuration the device exchanges data with a server application e g mapping software etc The module XT55 can be configured by the user via local RS 232 interface or via remote GSM air link At the core of the system solutions mentioned above is a classical set up with client server architecture In this scenario the module XT55 represents the so called mobile client see Figure 1 The integration of the module XT55 requires a clear definition The characteristics of the integrated AVL software solution of the module XT55 as a client of the user solution and the possibilities for configuration The instruction command for communicating with the client as the main part of the server application This document intends to describe the module XT55 AVL firmware and how it can be configured including the description which is based on the Windows Hype
21. elp oj 6 3 ol few Connection Properties EA Connect To Settings GPGSV 2 2 07 28 19 37 22 17 0 GPRMC 152551 723 A 4075 N 01 Function arrow and ctrl keys act as GPGGA 152552 723 504 4076 N 0105 f GPGSA A 3 11 31 14 20 22 28 03 Terminal keys Windows keys GPGSV 2 1 07 11 67 245 37 31 45 1 7GP 0 Backspace key sends a ChH C Del Cti H Space Ctl H GPGGA 152607 723 5040 4057 N 0105 Emulation GPGSA A 3 11 31 14 20 22 28 03 Auto detect SGPGSV 2 1 07 11 67 285 355 31 4551 GPGSV 2 2 07 28 19 296 35 22 17 0 GPRMC 152607 723 A 5040 4057 N 01 lnet terminal ID fansi GPGGA 152608 722 5040 4056 N 0105 EGPCSA A a EAS O Backscroll buffer lines 500 GPCSV 2 1 07 11 67 285 33 31 45 1 GPGSV 2 2 07 28 19 296 32 22 17 0 Play sound when connecting or disconnecting GPRMC 152608 722 A 5040 4056 N 01 GPCGA 152608 000 5040 4059 N 0105 A AALA A ds BOO 50 O25 Input Translation CPCSV 2 1 07 11 67 285 27 21 45 1 SCS a a E o 20 49 296 25 e ea r a GPRMC 152608 000 5 5040 4059 N 01 e gene eee ee OK Cancel Connected 0 01 55 Auto detect Auto c Terminal Setup Figure 6 Settings of connection properties XT55_avl_ug_V03 Page 11 of 37 28 06 2004 XT55 AVL User s Guide Confidential Released T New Connection HyperTerminal File Edit View Call Transfer Help Dle sla la E GPGSV 2 2 07 28 19 296
22. enables the device to periodically send an SMS to the target number in the case of an alarm In the given example the SMS will be send every 2 minutes to the example target number 012345678 PSRF112 Parameter description ey j value configure the sending of SMS Defined value 41 disable periodically sending of SMS XX CheckSum has to be calculated Example 2 PSRF112 41 0C This command disables the periodical sending of SMS XT55_avl_ug_VO3 Page 29 of 37 28 06 2004 XT55 AVL User s Guide SIEMENS Confidential Released Mobile Command for internal test purposes PSRF111 value XX PSRF111 value XX PSRF111 value XX PSRF111 value XX Parameter description value commands overview Defined value 0 overview of all implemented test commands XX CheckSum has to be calculated Example PSRF111 0 3A Parameter description value configure the download procedure Defined values 1 returns the current version number of software and hardware XX CheckSum has to be calculated Example PSRF111 1 3B Response current version SW XT_GPS_xx HW XT_GPS yy xx refers to the XT55 software version while yy refers to the hardware version of the module Parameter description value configure the download procedure Defined value 3 performs the test of Flash FXX CheckSum has to be calculated Example PSRF111 3 39 Response ERROR or SUCCESS Parameter
23. erminal program Assign the name for a new session on the displayed window e g XT55 AVL Yr New Connection HyperTerminal NA 10 x File Edit View Call Transfer Help Dl 5 3 Connection Description i N New Connection Enter a name and choose an icon for the connection Hame BAUL leon yA Disconnected Auto detect Auto detect SCROLL CAPS NLM Capture Print echo Figure 3 Assign the name for a new session Choose the correct COM Port and baud rate settings 9600bps 8 bit no parity bit 1 stop bit COM1 Properties Port Settings Bits per second AN Data bits bo Parity None rl stop bits hr Elow contrat NONE y Restore Defaults Figure 4 COM Port transmission settings XT55_avl_ug_VO3 Page 10 of 37 28 06 2004 XT55 AVL User s Guide Si EM ENS Confidential Released z Mobile The connection to the module XT55 is established the transmitted protocols are already displaying To New Connection HyperTerminal y K O Xx File Edit View Call Transfer Help Dis 13 ole GPCSV 2 2 07 28 19 296 37 22 17 057 35 03 13 163 33 42 GPRMC 152551 723 A 5040 4075 N 01058 8464 E 0 43 202 03 030304 07 GPGGA 152552 723 5040 4076 N 01058 8465 E 1 07 1 0 490 2 M 0000 03 GPGSA A 3 11 31 14 20 22 28 03 1 9 1 0 1 6 30 GPGSV 2 1 07 11 67 285 37 31 45 186 36 14 44 079 41 20 27 235 37 77 GPGSV 2 2 07 28 19 296 37 22 17 057 36 03 13 163 34 46 GPR
24. gure the SMSC address ServiceCentre GSM 04 11 RP SC address address value field in string format BCD numbers or GSM default alphabet characters are converted into characters type of address given by lt format gt Maximum length of address 20 characters Format Service centre address format GSM 04 11 RP SC address Type of Address octet in integer format XX CheckSum has to be calculated Example 1 Enter PSRF112 31 492710760000 145 18 Responds OK CSCA ServiceCenter Format error CME ERROR CME_ error error communication failure Note See 1 for further explanation of the displayed Address Format or CME error code If the modem returns communication failure it did not respond to the entered command and ended in timeout which is currently set to 5 seconds The SMS service center address should be entered as specified by the service provider XT55_avl_ug_V03 Page 22 of 37 28 06 2004 XT55 AVL User s Guide Si EM ENS Confidential Released Mobile PSRF112 This read command returns the current address of service centre 32 Parameter description XX 32 read command FXX CheckSum has to be calculated Enter PSRF112 32 08 Response OK CSCA ServiceCenter Format error CME ERROR CME_ error error Communication failure Note See 1 for further explanation of the displayed Address Format or CME error code If the modem responds communi
25. if the vehicle is driving faster than 50 km h All included settings are user configurable parameters Parameter description 2 disables history XX CheckSum has to be calculated Example 1 PSRF112 2 3B This command disables the history function No data will be saved in the GPS history Page 24 of 37 28 06 2004 XT55 AVL User s Guide SIEMENS Confidential Released PSRF 112 3 rawData XX PSRF 112 3 rawData XX XT55_avl_ug_V03 Mobile Parameter description 3 pre defined value which performs the history download procedure rawData configure the data format Defined values 0 request history in the SIRF binary format FXX CheckSum has to be calculated Example PSRF112 3 0 26 This command configures the XT55 to send upload stored GPS history either from a directly connected PC or from communicating via a remote connection in the binary format Parameter description 3 pre defined value which performs the history download procedure rawData configure the data format Defined values 1 request history in the NMEA format FXX CheckSum has to be calculated Example PSRF112 3 1 27 This command configures the XT55 to send upload stored GPS history either from a directly connected PC or from communicating via a remote connection in the NMEA format Page 25 of 37 28 06 2004 XT55 AVL User s Guide Confidential Released PSRF109 rawData startdate
26. ions of Windows 98 98SE Windows ME Windows NT Windows 2000 and Windows XP it is possible to receive GPS position data and alarm status reports as well as to execute a range of remote configurations In order to connect the XT55 remotely it is absolutely necessary to establish a connection to a suitable GSM modem If the module XT55 is configured remotely prerequisite is the connection of a suitable GSM modem The configuration possibilities mainly cover the following areas 1 GPS e History function Activation of predefined time distance and speed as a condition for storing position data in the internal history memory as well as the option of remotely retrieving the history e GPS polling NMEA commands data calls NMEA command remote request the current status of alarms start position request Start data calls directly to the GPS position surveillance of a module XT55 2 1 Terminal emulator setup The example given below is based on the Windows HyperTerminal application terminal emulator program lt describes how to use the module XT55 with a PC running Windows 2000 On the first time power up you can use terminal software which makes the communication with modem through a RS 232 serial port possible The following example is using the Hyper Terminal in Windows 2000 XT55_avl_ug_V03 Page 9 of 37 28 06 2004 XT55 AVL User s Guide Si EM ENS Confidential Released z Mobile On Windows 2000 start the Hyper T
27. m parameter must be exceeded in order to store the NMEA messages in the GPS history If all values are set to 0 no data will be saved in the history Table 1 Conditions for saving data in the GPS history Minimum Maximum lowest value highest value Time filter FixMinTime sec FixMaxTime sec Distance filter AND OR Dist Min m Dist Max m Speed filter AND OR SpeedMin km h SpeedMax km h Combination of both OR Storing of protocol Table 2 Programming example minTime maxTime minDist maxDist minSpeed maxSpeed s s m m km h km h Logs every 10 sec 0 10 0 0 0 0 Logs every 100 m 0 0 0 100 0 0 Logs at speed 0 0 0 0 0 40 gt 40 km h XT55_avl_ug_VO3 Page 16 of 37 28 06 2004 XT55 AVL User s Guide Si EM ENS Confidential Released Mobile 3 2 XT55 AVL software main features at a glance This chapter provides a short summary of the XT55 AVL software Enters deletes phone numbers authorized for remote access of the XT55 module Enables disables the remote tracking of pre defined phone numbers Enters the PIN number of SIM card to deactivate the PIN request of SIM card Updates the SMSC address through which mobile originated SMS are transmitted Downloads the stored GPS history to a connected PC or to a remotely connected GSM module in either NMEA or SiRF binary format Enables disable the history function e Deletes the stored history data e Controls the output of the standard NMEA messages GGA GLL GSA
28. mEnable Enable disable the checksum Defined values 00 Disable Checksum 01 Enable checksum XX CheckSum has to be calculated This command can be sent either from a directly connected XT55 or from one communicating via a data line Example 1 PSRF103 00 01 00 01 25 Query the GGA message with checksum enabled Example 2 PSRF103 05 00 01 01 20 Enable VTG message for a 1 Hz constant output with checksum enabled Example 3 PSRF103 05 00 00 01 21 Disable VIG message XT55 avl_ug VO3 Page 27 of 37 28 06 2004 XT55 AVL User s Guide SIEMENS Confidential Released Mobile Commands build in the alarm function PSRF112 Parameter description ara value configure the alarm keys 7 d Defined value A 10 enables key configuration XX key number determine the alarm key 1 2 possible Defined values 1 General propose input Pin 20 2 General propose input Pin 30 msg_ mode Defines the call type for each respective telephone number Defined values D A data call is established to the target telephone number in case of alarm the pre defined RMC message is transmitted S An SMS is sent to the target telephone number in case of alarm containing the alarm text with attached GPRMC protocol V A voice call is created for the target telephone number in case of alarm phone_number set the authorized telephone number XX CheckSum has to be calculated Example PSRF112 10 2 S 012345678 7D This com
29. mand enables the key configuration The pre defined RMC protocol is send to the authorized telephone number 012345678 in case of an alarm on the key 2 An alarm is triggered by falling edge on the configured input Please refer also to Chapter 4 3 for a connection example PSRF112 Parameter description a ae value contigure the alarm keys Ie Defined value 11 disables key configuration key number determine the alarm key 1 2 possible Defined values 1 General propose input Pin 20 2 General propose input Pin 30 XX CheckSum has to be calculated Example PSRF112 11 2 17 This command disables the key 2 configuration XT55_avl_ug_VO3 Page 28 of 37 28 06 2004 XT55 AVL User s Guide SIEMENS Confidential Released Mobile PSRF112 Parameter description po E value configure the alarm keys 0 Defined value 12 displays key number Example PSRF112 12 2 14 This command displays the settings of given key number 2 The received format is alarm key 2 phone 012345678 protocol RMC PSRF112 Parameter description eae value configure the sending of SMS phone_number Defined value XX 40 enable sending of SMS on interval of time periodically interval determine the interval of time on which an SMS has to be delivered unit is minute phone_number set the authorized telephone number XX CheckSum has to be calculated Example PSRF112 40 2 012345678 07 This command
30. nctions or serious discrepancies in results Furthermore all safety instructions regarding the use of mobile technical systems including GSM products which also apply to cellular phones must be followed Siemens AG customers using or selling this product for use in any applications do so at their own risk and agree to fully indemnify Siemens for any damages resulting from illegal use or resale To the maximum extent permitted by applicable law in no event shall Siemens or its suppliers be liable for any consequential incidental direct indirect punitive or other damages whatsoever including without limitation damages for loss of business profits business interruption loss of business information or data or other pecuniary loss arising out the use of or inability to use the Product even if Siemens has been advised of the possibility of such damages Subject to change without notice at any time Third party products Siemens disclaims all warranties concerning the software or their freedom from the rights of third parties CUSTOMER shall indemnify and hold harmless Siemens from and against any claims or demands for damages asserted on account of the use of the applications developed by CUSTOMER or third parties using the software unless CUSTOMER is able to prove that such third party damages or claims are not based on the software or the developed applications Copyright Transmittal reproduction dissemination and or editing of this documen
31. nd is terminated and incoming next string is new command e The CR Carriage Return ASCII code 13 which positions the cursor to the left side of the current line of characters e The LF Line Feed ASCII code 10 which moves the cursor down one line on the input commands All commands listed below are available for direct connected XT55 as well as for remote configuration except the PSRF111 command Commands Description PSRF112 Parameter description value XX value commands overview Defined value 0 overview of all implemented history alarm and remote tracking commands XX CheckSum has to be calculated Example 1 PSRF112 0 01 XT55_avl_ug_VO3 Page 19 of 37 28 06 2004 XT55 AVL User s Guide SIEMENS Confidential Released Mobile Commands build in remote tracking function PSRF112 value position phone_number XX PSRF112 value XX XT55_avl_ug_V03 Parameter description value configure the remote tracking Defined values 20 enables remote tracking for authorized phone number position enter the position of authorized telephone number into the list 0 9 available Overwrites the phone number at the selected position phone_number enter the authorized phone number for remote access Note At least one phone number has to be entered to the list Only numbers included in the list are authorized to interact with the XT55 All other accesses will be ignored FXX Check
32. nonnnnncnnns 17 3 2 1 Extended NMEA COMMAnNQdsS oocccoccccnccccccnconcocnccnconnnnnonnnonncancnnnnanonnnnannnnos 18 A A A E 18 3 2 1 2 Extended NMEA command description ocooccoocconcocnconconiconicnnonicanin 19 4 Software interface oeste o 34 4 1 NMEA output messages occocccocccccccocccncncnconnconononononononnnonnnonnnnnnnnnrnnnronanenanenanenaninns 34 4 2 How to switch the XT55 AVL in the command mode and vice versa 34 do INNA WAU G scenes pasa 35 5 Example applicat Oi isc 36 XT55_avl_ug_VO3 Page 3 of 37 28 06 2004 XT55 AVL User s Guide Si EM ENS Confidential Released Mobile Figures Figure 1 Simplified presentation of the AVL client server architecture oocccoccconcconconnco T Figure 2 Block diagram of XT55 with AVL application oocccooccccccconnccccncccncconoconoconcnnnnnnos T Figure 3 Assign the name for a new SESSION c ccccceecceececeeceeeeeceeeceeeeeueeseeessueeseeeseeeeseeess 10 Figure 4 COM Port transmission SettingS cooccccccococccoccncocnconcccnnnnonnnnnnnnnnnnnnnnonanonanononoss 10 Figure 5 Displaying of the transmitted NMEA protocols occooccocccccoccccccncocnccncnconcncnnncnnos 11 Figure 6 Settings Of CONNECTION Properties occccocccccncconncccnconcncncncncnonnnnnonncnnnononnnnnnnnnnnnonnss 11 Figure ASIS COn 12 Figure 8 Example of an extended NMEA command oocccccncnccccccnconnconcncncncnncncnnnnnnnncnnncnaninnnos 12 Figure 9
33. ommand deletes all previously stored history data Display history settings Example PSRF112 5 3D This command reads the current history settings See also write command PSRF112 1 LOG parameters The XT55 AVL returns the following string current history settings 3 sat min 5 s max 0 s min O m max 40 m min 20 kmh max 50 kmh Page 26 of 37 28 06 2004 XT55 AVL User s Guide SIEMENS Confidential Released Mobile PSRF103 This command is used to control the output of standard NMEA messages GGA Msg Mode Rate GLL GSA GSV RMC and VTG Using this command message the standard CecksumEnable NMEA messages may be polled once or setup for periodic output Checksums XX may also be enabled or disabled depending on the needs of the receiving program The NMEA message settings are saved in backup memory as long as the module is supplied with power each entry when the message is accepted Detailed information are available in 3 Parameters description Msg Configure the required message Defined values 00 GGS message 01 GLL message 02 GSA message 03 GSV message 04 RMC message 05 VTG message Mode input values for required configuration Defined values 00 enables the rate parameter settings 01 query the given message Rate Setup the required update rate unit is second Defined values 00 255 Set the periodic rate in second on which a given message has to be output Cecksu
34. rTerminal configuration terminal emulator program For the flashing process of the AVL software into the module please contact Siemens AG for further information Furthermore this document gives a detailed description of the instruction command providing information for setting up customized server applications for communicating with the mobile client XT55 XT55_avl_ug_V03 Page 6 of 37 28 06 2004 XT55 AVL User s Guide Si EM ENS Confidential Released Mobile Application example g z T GSM GPS antenna A AS nation line LXT55 AVL XT55 AVL installed in a vehicle User s application Control center Figure 1 Simplified presentation of the AVL client server architecture The connected GSM modem enables the communication to the XT55 server side 1 1 Hardware configuration Please use the following hardware configuration to ensure the proper operation of the AVL application see Figure 2 3 BAND SDI1 SDO1 9600 baud GSM GPRS GSM ASC1 GSM ASCO GPS SDI O 2 GPS SDI O 1 RX TX RTS all modem signals Rx Tx only Rx Tx only and CTS only User application not available not available User application PC Local port GSM ASC1 Local port GPS SDI O 1 Processor Figure 2 Block diagram of XT55 with AVL application XT55_avl_ug_VO3 Pag
35. rage supply Continuous mode without 80 mA current antenna feeding on GPS_VCC_RF Please note that the stated current values are depending on the used mode of the module XT55_avl_ug_VO3 Page 37 of 37 28 06 2004
36. t as well as utilization of its contents and communication thereof to others without express authorization are prohibited Offenders will be held liable for payment of damages All rights created by patent grant or registration of a utility model or design patent are reserved Copyright Siemens AG 2004 Trademark notices MS Windows is a registered trademark of Microsoft Corporation SiIRFDemo SiRFflash and SiRFstar software are registered trademarks of SIRF Technology Inc Section 3 2 1 and 4 1 used with the permission of SIRF Technology Inc San Jose California XT55_avil_ug_V03 Page 2 of 37 28 06 2004 XT55 AVL User s Guide Si EM ENS Confidential Released Mobile Contents 0 EEC A O ENE EEEE EEEREN SENEE 5 1 Overview Of the document cccceeceeeeceeeceeeceeeceeeenesenecenesenecenecaneceneonesenesenesonesonesens 6 1 1 Hardware CONfIgUFAtiON ccocccccnccoccconnnconnncocnnnnnononnnnnnonnnnnonnnnnnnonnnnnnnnnnnncnaninonons 7 t2 RE AC OOO CUI Sanrio deaengeneneretees 8 2 How to configure and evaluate the XT55 module ocooncconcconcocncococococonnconnconncnarennnnnnnos 9 2 1 Terminal emulator Setup oocooccconconcconcociccnconionncononnncannononnnnononnncanonnnnannnnonaninnnns 9 3 DR ACHING PPP S PO o e E PP RE O O E 14 3 1 History TUNCUON escisiones 14 3 1 1 Configuration examples coso eta le caiecicoroca 16 3 2 XT55 AVL software main features at a glance oocccocccccnncccncconnconnncncn
37. ta In order to save these data to the XT55 Flash memory the required NMEA command has to be sent see 4 for details When receiving valid GPS messages the module XT55 is capable of saving up to 100000 GPS protocols in its history memory The XT55 is capable of saving up to 100 000 GPS messages GGA GSV VTG GLL RMC depend on the user configuration in its history memory When the memory space has been used up the oldest message will be overwritten automatically Figure 11 shows a logical flow chart for a better understanding how the module XT55 saves history data XT55_avl_ug_V03 Page 14 of 37 28 06 2004 XT55 AVL User s Guide Si EM ENS Confidential Released Mobile History Filter y amp dh Yes CEnd gt Yes Figure 11 History filter XT55_avl_ug_V03 Page 15 of 37 28 06 2004 XT55 AVL User s Guide SIEMENS Confidential Released Mobile 3 1 1 Configuration examples The following example explains how to use filters for time distance and speed The respective minimum values for time speed and distance have an AND operation This means that if only one value does not apply all three values are ignored and not saved in the history The maximum values have an OR operation If one of the maximum parameters has been met the GPS protocols will be saved in the GPS history According to the flow chart given in Figure 11 either all minimum parameter or at least one maximu
38. tage and current of the XT55 GPS part XT55_avl_ug_VO3 Page 32 of 37 28 06 2004 XT55 AVL User s Guide Si EM ENS Confidential Released Mobile PSRF111 Parameter description E value contigure the download procedure Defined value 90 calibration points calculated voltage and current XX I CheckSum has to be calculated Example PSRF111 90 03 Response Calibration points calculated voltage and current Received alarm SMS from XT55 Protocol lt CRLF gt Protocol The following protocol type can be received RMC Example GPRMC 103530 000 A 5040 3986 N 01058 8636 E 0 06 171 45 290903 04 lt CRLF gt XT55_avl_ug_V03 Page 33 of 37 28 06 2004 XT55 AVL User s Guide Si EM ENS Confidential Released Mobile 4 Software interface The module XT55 is capable of outputting data in the NMEA 0183 format as defined by the National Marine Electronics Association NMEA Standard for Interfacing Marine Electronic Devices Version 2 20 January 1 1997 4 1 NMEA output messages The table below shows all NMEA output messages supported by the module XT55 as well as a brief description of each output message Option Description GGA Time position and fix type data GLL Latitude longitude UTC time of position fix and status GSA GPS receiver operating mode satellites used in the position solution and DOP values GSV The number of GPS satellites in view satellite ID numbers elevation azimuth and SNR values
39. uide SIEMENS Confidential Released PSRF111 value XX PSRF111 value XX PSRF111 value XX PSRF111 value XX PSRF111 value XX Mobile Parameter description value configure the download procedure Defined value 70 information about the malfunctional tracks XX CheckSum has to be calculated Example PSRF111 7 3D Response ERROR or SUCCESS Parameter description value configure the download procedure Defined value 8 performs the test of all GPIO s XX I CheckSum has to be calculated Example PSRF111 8 32 Response ERR malfunction detected or OK all GPIOs successfully tested Parameter description value configure the download procedure Defined value 80 information about the malfunction of GPIO s XX I CheckSum has to be calculated Example PSRF111 80 02 Response Verbose information about malfunctional GPIOs Parameter description value configure the download procedure Defined value 81 reports the current state of each read GPIO s endless loop XX CheckSum has to be calculated Example PSRF111 81 03 Response Current state of each read GPIO endless loop Parameter description value configure the download procedure Defined value 9 information about the current and voltage of antenna XX I CheckSum has to be calculated Example PSRF111 9 33 Response Vrf 0x85A Is 0x86C Hex value of antenna vol

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