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GE863-GPS Software User Guide 

 1vv0300724  Rev. 2 - 24/01/07    

  

5.4.4 GSV - GNSS Satellites in View 

 

This sentence reports the number of satellites (SV) in view, satellite ID numbers, elevation, azimuth 
and SNR value. 
There could be four satellites information per transmission so, if the number of satellites in view is 
bigger, separated GSV sentences will be generated. The number of sentence in transmission and the 
total to be transmitted is shown in the first 2 fields of the sentence.  
 
Table G contains the values for the following example: 
 

$GPGSV,2,1,07,07,79,048,42,02,51,062,43,26,36,256,42,27,27,138,42*71 

$GPGSV,2,2,07,09,23,313,42,04,19,159,41,15,12,041,42*41 

 
 

Table G: GSV Data Format 

Name

 

Example

 

Units

 

Description

 

Message ID 

$GPGSV   

GSV protocol header 

Number of 
Messages 

2 

 

Range 1 to 3 

Message 
Number1 

1 

 

Range 1 to 3 

Satellites in 
View 

07 

 

 

Satellite ID 

07 

 

Channel 1 (Range 1 to 32) 

Elevation 

79 

degrees

 

Azimuth 

048 

degrees

 

SNR (C/No) 

42 

dBHz 

 

.... 

.... 

.... 

 

Satellite ID 

27 

 

Channel 4 (Range 1 to 32) 

Elevation 

27 

degrees

Channel 4 (Maximum 90) 

Azimuth 

138 

degrees

Channel 4 (True, Range 0 to 359) 

SNR (C/No) 

42 

dBHz 

Range 0 to 99, null when not tracking 

Checksum 

*71 

 

 

<CR> <LF> 

 

 

End of message termination 

 

Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved 

 

page 97 of 109 

 

Содержание GE863-GPS

Страница 1: ...GE863 GPS Software User Guide GE863 GPS Software User Guide 1vv0300724 Rev 2 24 01 07...

Страница 2: ...t up 25 2 7 2 Phone number dialing data call 26 2 7 3 Closing the Data call 27 2 8 Answer an incoming Call 28 3 Advanced Operations 30 3 1 Accessing the phonebook 30 3 1 1 Preliminary phonebook set up...

Страница 3: ...B NMEA 91 5 3 WGS 84 92 5 4 NMEA 0183 93 5 4 1 GGA Global Positioning System Fixed Data 94 5 4 2 GLL Geographic Position Latitude Longitude 95 5 4 3 GSA GNSS DOP and Active Satellites 96 5 4 4 GSV GN...

Страница 4: ...andatory instead the information given shall be used as a guide for properly using the Telit module For further commands and features that may not be explained in this document refer to the GE863 GPS...

Страница 5: ...is defined in the document 80000ST10025a AT Commands Reference Guide The specification defines 3 possible AT interfaces 0 AT command interface of the products to the GM862 GSM and GM862 GPRS interface...

Страница 6: ...ernal set up commands but may be very long for command that interact with the network or even Networks NOTE In case no response is received after the timeout time has been elapsed then try repeating t...

Страница 7: ...5 CACM 20 CAMM 20 CPUC 20 CMEE 5 VTS 20 GMI 5 GMM 5 GMR 5 GSN 20 I3 5 I4 5 I5 5 CSMS 5 CPMS 5 CMGF 5 CSCA 20 CSMP 5 CSDH 5 CSAS 5 CRES 5 CNMI 5 CMGS 180 5 for prompt CMSS 180 CMGW 5 5 for prompt CMGD...

Страница 8: ...Seconds SHDN 10 QTEMP 10 SGPO 10 GGPI 10 MONI 10 CGMI 5 CGMM 5 CGMR 5 CGSN 20 CIMI 5 CGACT 180 CGATT 180 CGDATA 20 CGDCONT 20 CGPADDR 20 CGQMIN 20 CGQREQ 20 Reproduction forbidden without Telit Commu...

Страница 9: ...cted only in open collector configuration TIP To check if power has raised it is possible to monitor the PWRMON line when this line goes high the module is powered on but before it remains on the devi...

Страница 10: ...ing sequence of activities Detach from the network Module Shutdown In the case of Network unavailability the detach will be attempted few seconds typical 6secs After this timeout the module will be sh...

Страница 11: ...up resistor on the RESET line nor any totem pole digital output Using pull up resistor may bring to latch up problems on the GE863 GPS power regulator and improper functioning of the module The line R...

Страница 12: ...for OK response after this initial command it is advisable to fix the port rate in order to eliminate possible errors in detecting the serial speed rate Send command AT IPR rate cr wait for OK respons...

Страница 13: ...ason Action CPIN SIM PIN SIM is present and PIN is required to continue operations Proceed to par 2 5 2 3 CPIN SIM PUK SIM is present and 3 attempts to give SIM PIN have failed so SIM PUK is required...

Страница 14: ...ou may need to go through procedure 2 5 2 4 2 5 2 4 Provide SIM PUK only if required see par 2 5 2 2 send command AT CPIN newpin cr where stands for the SIM PUK code e g 12345678 and newpin e g 1234 w...

Страница 15: ...any network but is looking for a suitable one to register Repeat procedure at par 2 5 3 1 to see if it has found a suitable network to register in CREG 0 3 or CREG 1 3 Mobile has found some networks b...

Страница 16: ...Answer COPS 2 I WIND 22288 1 SI MOBITEL GSM 29341 1 vodafone IT 22 210 1 SI MOBIL 29340 3 I TIM 22201 0 4 0 2 OK In this case the mobile is registered on the network I TIM which is a network from Ital...

Страница 17: ...I may indicate 2 antenna bars 8 97 dBm MMI may indicate 2 antenna bars 9 95 dBm MMI may indicate 2 antenna bars 10 93 dBm MMI may indicate 3 antenna bars 11 91 dBm MMI may indicate 3 antenna bars 12 8...

Страница 18: ...may happen that the quality on the GSM radio link is very good and hence the reported ber is 0 good quality but the quality of the remaining path to the other party is very bad and hence the final da...

Страница 19: ...ization area code id cell identifier arfcn assigned radio frequency channel dBm received signal strength in dBm same as decoded rssi value timadv timing advance For example command AT MONI 0 cr Answer...

Страница 20: ...used only to gather information on network name and signal strength to check if mobile is registered or is looking for a suitable network to register to use always the CREG command This is due to the...

Страница 21: ...lly the internal path is used for a handset function while the external is used for handsfree function There are two way to switch between these two paths SOFTWARE by using the command AT CAP n with n...

Страница 22: ...ber between 0 and 10 representing the volume setting 0 minimum volume 10 maximum volume wait for OK response NOTE The volume setting refers to the ACTIVE path ear line and is stored each time When cha...

Страница 23: ...ed is busy retry later NO ANSWER The receiver did not answer the call retry later NO CARRIER Call placing has not been successful check for mobile registration and signal strength For example 1 Let s...

Страница 24: ...p the voice call Send command ATH cr wait for response OK TIP during the voice call the device remains in command mode so the escape sequence must not be issued before sending commands Reproduction fo...

Страница 25: ...mmand CBST The syntax for the command is AT CBST mod 0 ce These parameters can be selected as seen in the table Command Modulation Speed bps Connection Element AT CBST 0 0 1 Autobauding non transparen...

Страница 26: ...1 Dial a given phone number Send command ATD PhoneNumber cr where PhoneNumber is the phone number to be dialed wait for response Response Reason Action CONNECT 9600 The called modem is now on line exc...

Страница 27: ...cr response CONNECT 9600 2 7 3 Closing the Data call 2 7 3 1 Exit the data mode and enter the command mode Send escape sequence wait the escape sequence pause time see S12 parameter wait for response...

Страница 28: ...is enabled and a voice call is incoming CRING ASYNC The extended format of incoming call indication is enabled and an asynchronous transparent data call is incoming CRING REL ASYNC The extended format...

Страница 29: ...DATA one and the modem handshaking has not been successful check for mobile registration and signal strength and modem settings OK The incoming call was a VOICE call and is now active proceed ahead TI...

Страница 30: ...omatically at each call originated and insertion or search on it is not possible the only operations allowed are recall read and delete MC SIM missed calls list CPBW and CPBF are not applicable for th...

Страница 31: ...e operations insert SIM PIN see par 2 5 2 3 CMS ERROR 311 SIM is present and PIN is required to continue operations insert SIM PIN see par 2 5 2 3 CME ERROR 12 SIM is present and PUK is required to co...

Страница 32: ...storage when selecting the FD storage the PIN2 must have been inserted or the FD facility must have been enabled If CPBS command reports CME ERROR 17 then enable the facility with command CLCK see par...

Страница 33: ...of the PB record wait for response in the format CPBF index number type name OK where index is the record number on the PB Number is the phone number type is the type of number 145 international numb...

Страница 34: ...lect the desired storage as active see par 3 1 1 1 Then send command AT CPBR index cr where index is the index number of the desired PB record to be read wait for response in the format CPBR index num...

Страница 35: ...BR 9 0404192111 129 Fabrizio OK 3 1 4 Phonebook entry Write As first thing you must select the desired storage as active see par 3 1 1 1 Then send command AT CPBW index number type name cr where index...

Страница 36: ...5 2 4 CME ERROR 13 SIM defect Check SIM insertion or require a new SIM not defected and repeat from par 2 5 2 2 CMS ERROR 313 SIM defect Check SIM insertion or require a new SIM not defected and repe...

Страница 37: ...nvalid index out of PB storage limits check index number and retry CME ERROR 10 SIM not present Check SIM or require SIM insertion and repeat from par 2 5 2 2 CMS ERROR 310 SIM not present Check SIM o...

Страница 38: ...hone number index position to do it use the CPBF command Once the index number is known set up the device for the type of call you want to dial Then send command ATD index cr where index is the index...

Страница 39: ...300724 Rev 2 24 01 07 AT FCLASS 8 cr response OK AT CAP 2 cr OK AT CLVL 8 cr OK AT CMUT cr CMUT 0 and Dial ATD 7 cr OK Reproduction forbidden without Telit Communications S p A written authorization A...

Страница 40: ...ication is enabled and an asynchronous transparent data call is incoming CRING SYNC The extended format of incoming call indication is enabled and a synchronous transparent data call is incoming CRING...

Страница 41: ...is the phone number type is the type of number 145 international numbering scheme 129 national numbering scheme subaddress is the subaddress of the calling party satype is the type of subaddress alpha...

Страница 42: ...er 391234567890 and extended incoming calls indication is disabled while CLIP is enabled you ll see ring indication RING CLIP 391234567890 145 NOTE this does not mean that the incoming call is an inte...

Страница 43: ...I temporary mode presentation restricted 4 CLI temporary mode presentation allowed NOTE The m parameter reports the status of the service at network level If the CLIR service is not provisioned then i...

Страница 44: ...ing International Calls Barring Outgoing International Calls except to Home Country Barring All Incoming Calls Barring Incoming Calls when Roaming outside the home country All Barring services applica...

Страница 45: ...barred CME ERROR 4 operation not supported the service required is not available Check command syntax and service code CME ERROR 30 no network service Check for registration see par 2 5 3 1 and signal...

Страница 46: ...sponse Reason Action OK Barring is now enabled disabled all incoming calls will be barred unbarred ERROR some error occurred Enable the extended error codes report see par 2 5 2 1 and retry CME ERROR...

Страница 47: ...pported the service required is not available Check command syntax CME ERROR 30 no network service Check for registration see par 2 5 3 1 and signal strength CME ERROR 16 wrong network password check...

Страница 48: ...ated by mobile and the network password of your operator is 0000 command AT CLCK AO 1 0000 cr response OK 3 2 4 5 Barring Unbarring All Outgoing International Calls Send command AT CLCK OI en pwd cr w...

Страница 49: ...Barring pwd is the network password required to change facility status wait for response Response Reason Action OK Barring is now enabled disabled all outgoing international calls except to Home Coun...

Страница 50: ...e par 2 5 2 1 and retry CME ERROR 4 operation not supported the service required is not available Check command syntax CME ERROR 30 no network service Check for registration see par 2 5 3 1 and signal...

Страница 51: ...2 3 770 Hz 4 5 6 852 Hz 7 8 9 941 Hz 0 NOTE The GSM system architecture defines that the audio signal of the DTMF tones is inserted by the network switches on commands sent by the Mobile Station MS T...

Страница 52: ...stered on the network and reachable for incoming calls or SMS If a call income during the power save then the module will wake up and proceed normally with the unsolicited incoming call code The DTR f...

Страница 53: ...ed by default when the device starts up in order to guarantee that even without the DTR line support it is possible to exchange commands with the module for this reason the power saving setting comman...

Страница 54: ...matically the read PDU into text and viceversa By using TEXT mode the PDU data encoding knowledge is not needed and operations are easier For this reason we will use the TEXT mode to explain how to op...

Страница 55: ...in the SIM card until it is changed or deleted so this operation may be done only once if the SIM Card is not changed The setting is maintained even after power down For example 1 Let s assume you wa...

Страница 56: ...reject new received message unsolicited result codes when TA TE link is reserved otherwise forward them directly to the TE 2 Buffer unsolicited result codes in the TA in case the DTE is busy and flus...

Страница 57: ...GSM 03 40 pid Protocol Identifier dcs Data Coding Scheme sca Service Centre address string type converted in the currently selected character set see CSCS length text length data TP User Data Class 2...

Страница 58: ...is sent CDSI memr index where memr memory storage where the new message is stored SM index location on the memory where SM is stored bfr buffered result codes handling method 0 TA buffer of unsolicite...

Страница 59: ...ive is unsolicited code CDSI SM 8 3 5 1 5 Set Text Mode Parameters only in TEXT mode When the device is set to operate with Text SMS not with PDU the SMS parameters that usually reside on the header o...

Страница 60: ...corresponding to 12 hours VP 143 x 30 minutes 168 to 196 corresponding to VP 166 x 1 day 197 to 255 corresponding to VP 192 x 1 week If in absolute format it is a string in the format gg MM YY hh mm s...

Страница 61: ...Mail 51 55 reserved 5 combinations 56 62 values specific to each SC usage based on mutual agreement between the SME and the SC 7 combinations available for each SC 63 A GSM mobile station The SC conv...

Страница 62: ...0 NOTE Not all the DCS combinations described in the GSM 3 38 are supported both by the network and by the Telit GE863 GPS Some features may be not implemented at network level or at device level resu...

Страница 63: ...ample 29 06 02 at 02 20 in the time zone of Italy 1 29 06 02 02 20 00 1 Protocol ID implicit SMS sent to a mobile terminal corresponding to a value 0 Data Coding Scheme Default Alphabet Class 0 e g im...

Страница 64: ...tals max number of SMS that mems can contain From this response you can check if the selected storage has room for new SMSs the free positions in the storage X where X can be r w s are totalX usedX 3...

Страница 65: ...Let s assume you have the IRA code 0x6B and you want to find the corresponding character From the table you find at the position most significant Nibble 6 least significant Nibble B Hence the characte...

Страница 66: ...2 1 and retry CMS ERROR 330 SMSC address unknown Insert SMSC address see par 3 5 1 3 CMS ERROR 322 Memory Full memory is full hence delete some records and retry NOTE if command is aborted with ESC c...

Страница 67: ...ence number proceed ahead ERROR some error occurred Enable the extended error codes report see par 2 5 2 1 and retry CMS ERROR 330 SMSC address unknown Insert SMSC address see par 3 5 1 3 CMS ERROR 41...

Страница 68: ...ith CTRL Z character 0x1A hexadecimal or abort command with ESC character 0x1B hexadecimal wait for response Response Reason Action CMGS mr OK Message has been successfully sent mr represents the mess...

Страница 69: ...inserted the SMS message text to be sent conclude text with the character CTRL Z response CMGW 4 OK In this case the new SMS was successfully sent to the SC and its network reference number is 4 Do no...

Страница 70: ...described on the previous paragraphs command AT CMGD 3 response OK In this case the SMS was successfully deleted 2 Let s assume you want to delete a received SMS that was stored to the index position...

Страница 71: ...set is the one selected with command CSCS NB this optional field is currently not supported sca Service Centre number tooa toda tosca type of number oa da sca 129 number in national format 145 number...

Страница 72: ...Message for Text Mode SMS RECEIVING The message was received REC from the number 393381234567890 at 12 30 04 the day 29 06 01 in the European time zone 1 After this read command the message at index 5...

Страница 73: ...xt NOTE If status of the message is received unread status in the storage changes to received read For example 1 Let s assume you want to list all the SMS received read that are stored We suppose you...

Страница 74: ...pin setup Before using the GPIO pin you must configure them to select their direction or alternate function 3 6 1 1 Setting GPIO pin as OUTPUT When you set a GPIO as output you must specify also the v...

Страница 75: ...4 GPIO4 13 GPIO13 5 GPIO5 14 GPIO14 6 GPIO6 15 GPIO15 7 GPIO7 16 GPIO16 8 GPIO8 17 GPIO17 9 GPIO9 18 GPIO18 value is a dummy value can be either 0 dummy value 1 dummy value wait for response OK NOTE T...

Страница 76: ...7 9 GPIO9 18 GPIO18 wait for response in the format GPIO dir stat OK where dir GPIO pin direction setting stat status of the pin 0 LOW 1 HIGH NOTE In case the GPIO pin direction is set to ALTERNATE FU...

Страница 77: ...n this case the GPIO6 pin was set in alternate function direction and therefore works as alarm output The reported status LOW has no meaning 3 6 2 2 Setting GPIO pin output status To set the pin statu...

Страница 78: ...K TIP Remember that the alternate function places the GPIO5 pin always in OUTPUT direction NOTE The GPIO5 direction setting is saved and will be kept after a power off The saving can be applied only f...

Страница 79: ...PIO7 pin as buzzer output function the pin will output a waveform suitable to drive a Buzzer provided a simple external mosfet driver is developed and that the SRP settings are adequate To set the pin...

Страница 80: ...724 Rev 2 24 01 07 AT GPIO 7 0 2 cr response OK In this case the GPIO7 pin was successfully put in buzzer output direction Reproduction forbidden without Telit Communications S p A written authorizati...

Страница 81: ...already ON at alarm trigger time simply proceed with the Alarm action Once Woken up the Telit GE863 GPS proceeds with the chosen action that can be issue an unsolicited code ALARM user_text on the se...

Страница 82: ...al time and GMT two last digits are mandatory range is 47 48 NOTE If the parameter is omitted the behavior of Set command is the same as Read command wait for response OK TIP Remember that the string...

Страница 83: ...wo digits seconds 00 60 zz signed two digits timezone 11 11 type is the Alarm behavior 0 reserved for other equipment use 1 the MODULE simply wakes up fully operative as if the ON OFF button had been...

Страница 84: ...e OK TIP Remember that the string time has to be encapsulated in double brackets furthermore the Alarm time will not be computed for different timezone therefore the alarm time will always refer to th...

Страница 85: ...re the module starts the alarm activity but not the network activity permitting some operations to be done by the controlling application without registering the mobile in the network To check if the...

Страница 86: ...alarm in order to raise the GPIO6 pin to power up the controlling application too command AT CALA 02 11 07 13 24 30 01 0 6 TIME TO MEASURE SMS cr response OK shutdown the GE863 GPS and successively th...

Страница 87: ...e GPIO6 pin to power up the controlling application too command AT CALA 02 11 07 14 24 47 01 0 6 TIME TO MEASURE SMS cr response OK shutdown the GE863 GPS and successively the controlling application...

Страница 88: ...case the arrival point must have a modem to connect to Landline ISDN or GSM CSD The connection establishment procedure defines a particular path where all the information exchanged between the two pee...

Страница 89: ...are allocated dynamically on demand and the data exchanged is organized into packets typically TCP IP furthermore the maximum transfer speed can be much faster than GSM CSD An example of GPRS connecti...

Страница 90: ...olling application must have its own TCP IP protocol stack embedded to decode the packets that arrive from GPRS and encode the ones to be sent through the internet There are few considerations than mu...

Страница 91: ...data in SIRF BINARY format The default configuration is 57600 bps 8 n 1 It is available on the following pins PIN NAME DESCRIPTION TYPE 78 RX_GPS_BIN GPS RX Data Sirf Binary CMOS 2 8V 80 TX_GPS_BIN G...

Страница 92: ...itial position and velocity calculations using an earth centered earth fixed ECEF coordinate system Results may be converted to an earth model geoid defined by the selected datum For GE863 GPS the def...

Страница 93: ...his specification The actually supported version is 2 2 The provided NMEA sentences are GGA Time position and fix type data GLL Latitude longitude UTC time of position fix and status GSA GPS receiver...

Страница 94: ...Longitude 12158 3416 dddmm mmmm E W Indicator W E east or W west Position Fix Indicator 1 See Table B Satellites Used 07 Range 0 to 12 HDOP 1 0 Horizontal Dilution of Precision MSL Altitude 9 0 meter...

Страница 95: ...Table C Name Example Units Description Message ID GPGLL GLL protocol header Latitude 3723 2475 ddmm mmmm N S Indicator N N north or S south Longitude 12158 3416 dddmm mmmm E W Indicator W E east or W...

Страница 96: ...Message ID GPGSA GSA protocol header Mode 1 A See Table E Mode 2 3 See Table F Satellite Used1 Satellite used in solution 1 07 Sv on Channel 1 Satellite Used1 02 Sv on Channel 2 Satellite Used1 PDOP 1...

Страница 97: ...7 07 79 048 42 02 51 062 43 26 36 256 42 27 27 138 42 71 GPGSV 2 2 07 09 23 313 42 04 19 159 41 15 12 041 42 41 Table G GSV Data Format Name Example Units Description Message ID GPGSV GSV protocol hea...

Страница 98: ...atus A A data valid or V data not valid Latitude 3723 2475 ddmm mmmm N S Indicator N N north or S south Longitude 12158 3416 dddmm mmmm E W Indicator W E east or W west Speed Over Ground 0 13 knots Co...

Страница 99: ...header Course 309 62 Measured heading Reference T True Course degrees Measured heading Reference M Magnetic Speed 0 13 knots Measured horizontal speed Units N Knots Speed 0 2 km hr Measured horizonta...

Страница 100: ...e NMEA serial port default 4800 bps 8 n 1 there must be presence of the NMEA sentences 5 5 1 Controlled mode The GE863 GPS is by factory default set to controlled mode With the command AT GPSD device...

Страница 101: ...by the GSM part The GPS receiver is usable if the GSM module is switched on or at least in power saving This command also switch off the GPS antenna supply Syntax of the command AT GPSP status Where s...

Страница 102: ...tion clears all initialization data in the GPS receiver and subsequently reloads the data that is currently displayed in the Receiver Initialization Setup screen The almanac is retained but the epheme...

Страница 103: ...supplied by the module default NOTE if current type is 0 either GPSAV and GPSAI have no meaning 5 6 3 1 GPS Antenna Current and Voltage Readout With the commands AT GPSAV and AT GPSAI is possible to m...

Страница 104: ...difications 5 6 6 READ ACQUIRED GPS POSITION This command allows reading the acquired position of the GPS receiver Syntax of the command AT GPSACP The response sintax is GPSACP UTC latitude longitude...

Страница 105: ...d mm Course over Ground degrees True Values ddd 000 to 360 degrees mm 00 to 59 minutes spkm referred to VTG sentence xxxx x Speed over ground Km hr spkn referred to VTG sentence xxxx x Speed over grou...

Страница 106: ...e USB port implemented on the Telit Evaluation Kit EVK2 can be used to connect to a Windows based PC on which the specific program for updating the Software TFI can be run 6 1 Step by Step upgrade pro...

Страница 107: ...hat the power supply must not be disconnected during the firmware update 6 Select the right COM port and speed Note that to go faster than 115200 you need a special hardware on the PC Then Press the D...

Страница 108: ...e Telit GE863 module is now programmed with the new firmware NOTE the above pictures show how the application dialogs appear for the GM862 product The GE863 TFI application will look similar Reproduct...

Страница 109: ...Change Log Revision Date Changes ISSUE 0 21 03 06 First release ISSUE 1 28 08 06 Review of all the document ISSUE 2 24 01 07 Review of all the document Reproduction forbidden without Telit Communicati...

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