Erco&Gener Genloc 31e Installation manual

S.A. ERCO & GENER – ZI de St. Lambert-des-Levées – BP 30163 – F-49412 SAUMUR Cedex
Tél. : [phone] – Fax : [phone] – www.gener.fr – [email protected]
SA CAPITAL 183244 €– R.C. SAUMUR B 332 174 820 – SIRET 332 174 820 00032 – NAF 322A – TVA Intra : FR 16 332 174 820
L’esprit Modem
Command List
An application example for the
GenLoc 31e
Reference : EG_GenLoc31e_988_CL_002_UK
Revision : 002
Date : 27/06/2006

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Descriptions and non-contractual illustrations in this document are given as an indication only.
ERCO&GENER reserves the right to make any modifications.
Document History
Revision Modifications Author Date
000 CREATION MRE 18/05/2006
001 Added descriptions for all commands used in the application MRE 20/06/2006
002 Corrected chapter numbering MRE 27/06/2006
The main modifications in this document compared to its previous version, are easily identifiable on a
monitor by means of the blue text.

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Descriptions and non-contractual illustrations in this document are given as an indication only.
ERCO&GENER reserves the right to make any modifications.
CONTENTS
1INTRODUCTION ...................................................................................................................................... 5
1.1 References .............................................................................................................................................. 5
2COMMANDS ............................................................................................................................................ 6
2.1 General commands ................................................................................................................................ 6
2.1.1 ATI8 – Display application version and build information............................................................ 6
2.1.2 AT+HELP – Display list of available general commands............................................................. 6
2.1.3 AT+WGPSNMEA – GPS NMEA unsolicited................................................................................ 7
2.1.4 AT+WGPSRAW – Send raw data to the GPS module................................................................ 7
2.1.5 AT+WGPSPOS – Get position information ................................................................................. 8
2.1.6 AT+WGPSM – GPS module management.................................................................................. 9
2.1.7 AT+WIOR – Read GPIO value.................................................................................................. 10
2.1.8 AT+WIOW – Write GPIO value.................................................................................................. 10
2.1.9 AT+WGPSANT – GPS antenna configuration........................................................................... 11
2.1.10 AT+SHOWPOS – Automatic display of GPS coordinates......................................................... 12
2.1.11 AT+ERRORSTAT – Display NMEA and UBX frame status ...................................................... 13
2.1.12 AT+WGPSCONF – GPS configuration...................................................................................... 13
2.2 UBX commands.................................................................................................................................... 14
2.2.1 AT+HELPUBX – Display list of UBX commands....................................................................... 14
2.2.2 AT+UBXMONVER – Display HW / SW version of the GPS module......................................... 14
2.2.3 AT+UBXMONHW – Display GPS module hardware status ...................................................... 14
2.2.4 AT+UBXCFGDAT – Display / Set GPS DATUM....................................................................... 15
2.2.5 AT+UBXCFGDPM – Display / Set GPS module Dynamic Platform Model............................... 15
2.2.6 AT+UBXSHOW – Display UBX frames ..................................................................................... 15
2.3 Serial Flash commands ....................................................................................................................... 18
2.3.1 AT+SFHELP – Display serial flash commands ......................................................................... 18
2.3.2 AT+SFTYPE – Display serial flash type .................................................................................... 18
2.3.3 AT+SFSR – Display status register contents ............................................................................ 19
2.3.4 AT+SFWEL – Display / modify Write Enable Latch bit.............................................................. 19
2.3.5 AT+SFBP – Display / modify Block Protection bits.................................................................... 20
2.3.6 AT+SFWRTEXT – Write ascii text string to memory................................................................. 20
2.3.7 AT+SFRD – Display the contents of the memory...................................................................... 21
2.3.8 AT+SFEB – Erase block............................................................................................................ 22
2.3.9 AT+SFECHIP – Erase chip........................................................................................................ 22

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Descriptions and non-contractual illustrations in this document are given as an indication only.
ERCO&GENER reserves the right to make any modifications.
DISCLAIMER OF WARRANTY
This Software is provided free of charge on an 'as is' basis. No warranty is given by ERCO&GENER in
relation to the Software concerning the uses to which it may be put by you, the user, or its merchantability,
fitness or suitability for any particular purpose or conditions; and/or that the use of the Software and all
documentation relating thereto by the Licensee will not infringe any third party copyright or other intellectual
property rights.
LIMIT OF LIABILITY
In no event shall ERCO&GENER be liable for any loss or damages whatsoever or howsoever caused arising
directly or indirectly in connection with this license, the Software, its use or otherwise except to the extent
that such liability may not be lawfully excluded. Notwithstanding the generality of the foregoing,
ERCO&GENER expressly excludes liability for indirect, special, incidental or consequential loss or damage
which may arise in respect of the Software or its use, or in respect of other equipment or property, or for loss
of profit, business, revenue, goodwill or anticipated savings.
In its continuing research into improving its products, ERCO&GENER reserves the right to modify its
products and documentation at any time.
TRADEMARKS
WAVECOM®, WISMO®, MUSE Platform® are filed or registered trademarks of Wavecom S.A. in France or
in other countries. All other company and/or product names mentioned may be filed or registered trademarks
of their respective owners.
This document is the sole and exclusive property of ERCO&GENER. Not to be distributed or divulged
without prior written agreement. Ce document est la propriété exclusive de ERCO&GENER. Il ne peut être
communiqué ou divulgué à des tiers sans son autorisation préalable.

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Descriptions and non-contractual illustrations in this document are given as an indication only.
ERCO&GENER reserves the right to make any modifications.
1 INTRODUCTION
This document describes AT commands specific to the GenLoc31e. For a complete list of available
Wavecom commands and their descriptions, please refer to [R1].
For a complete technical description of the GenLoc31e, please refer to [R3].
1.1 References
[R1] – AT Command Interface Guide For X51 Software (ref: WM_ASW_OAT_UGD_00016 revision 6)
[R2] – Open AT ADL User Guide for Open AT 3.03 (ref: WM_ASW_OAT_UGD_00053 revision 1)
[R3] – GenLoc31e Technical Document (EG_GenLoc31e_988_UG_xxx_UK revision 0).

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Descriptions and non-contractual illustrations in this document are given as an indication only.
ERCO&GENER reserves the right to make any modifications.
2 COMMANDS
2.1 General commands
2.1.1 ATI8 – Display application version and build information
This command will display the version and build information of the application.
Syntax: ATI8
Example :
Command Possible Responses Notes
ATI8 GenLoc31e V0.73 Jun 19 2006 14:32:38
OK
Display application version
and build information
2.1.2 AT+HELP – Display list of available general commands
This command will display a list of the available general commands. The list includes certain Wavecom
commands which have been recreated by the application in order to be compatible with the GenLoc31e
hardware and the original Wavecom commands (example: AT+WGPSPOS).
Syntax: AT+HELP
Example :
Command Possible Responses
AT+HELP ATI8......................Display product software version and build information
AT+WGPSNMEA=(0-1),(0-5),..Activate display of unsolicited GPS NMEA frames
AT+WGPSPOS................Display current GPS coordinate information
AT+SHOWPOS=(0-240)........Display GPS information every n seconds. (0=disable)
AT+ERRORSTAT=(0-1)........Display frame errors and total frames received (0=NMEA,
1=UBX)
AT+WIOR=(0-3).............Display logic level at input 0-2 or motion detector (3)
AT+WIOW=0,(0-1)...........Set logic level on open-collecter output. 0=low, 1=high
AT+WIOW=1,(0-1)...........RS232 interface: 0=enabled, 1=disabled
AT+WIOW=n,(0-1)...........UART2 mode: n=7/8. 0=normal(DSR/DTR), 1=RxD/TxD diverted
to DSR/DTR
AT+WGPSM=0,(0-1)..........GPS module power: 0=off, 1=on
AT+WGPSM=1,(0-1)..........GPS module reset: 0=reset, 1=normal
AT+WGPSM=3................GPS module Software and Hardware versions
AT+WGPSRAW................Send a raw UBX data stream to the GPS module
AT+WGPSANT=(0-2)(,[mode][mon])..GPS antenna configuration
AT+HELPUBX................Display list of UBX commands
OK
Note: Display general command list

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Descriptions and non-contractual illustrations in this document are given as an indication only.
ERCO&GENER reserves the right to make any modifications.
2.1.3 AT+WGPSNMEA – GPS NMEA unsolicited
This command allows the host to activate the GPS NMEA frames provided as unsolicited messages on GSM
main serial link as follows :
$GPGGA,092003.00,4716.80272,N,00003.51569,W,1,08,1.01,28.7,M,47.9,M,,*7F
$GPGSA,A,3,20,11,23,17,24,01,04,13,,,,,2.05,1.01,1.79*0E
$GPGSV,3,1,09,20,75,044,48,11,39,138,47,23,61,168,49,17,47,261,50*7C
$GPGSV,3,2,09,24,54,302,45,01,25,045,47,33,34,201,44,04,22,303,43*75
$GPGSV,3,3,09,13,31,196,51*4A
$GPGLL,4716.80272,N,00003.51569,W,092003.00,A,A*75
$GPRMC,092004.00,A,4716.80273,N,00003.51572,W,0.004,,080606,,,A*6C
$GPVTG,,T,,M,0.004,N,0.008,K,A*2F
Syntax: AT+WGPSNMEA=<mode>[,<NMEA1>,<NMEA2>…]
<mode>
0 Deactivate NMEA unsolicited mode (default).
1 Activate NMEA unsolicited mode
<NMEAx>: selected NMEA frame list chosen from the following list :
0 GGA GPS fix data (default)
1 GSA GPS DOP and Active satellites
2 GSV GPS satellites in view
3 RMC Recommended minimum data
4 VTG Course over ground and ground speed
5 GLL Latitude and longitude, with time of position fix and status.
Note:
If the <NMEAx> parameters are omitted, the last configuration remains active. This configuration is
stored in EEPROM.
Examples :
Command Possible Responses Notes
AT+ WGPSNMEA AT+WGPSNMEA=(0-1),(0-5),...
OK
Display syntax
AT+WGPSNMEA=1,0,2,3
OK
These three frames will be
provided as unsolicited
messages
AT+ WGPSNMEA? +WGPSNMEA: 1,0,2,3
OK
Display current frame
selection (GGA, GSV, RMC)
AT+ WGPSNMEA=0
OK
Turn off the unsolicited
mode
AT+ WGPSNMEA=1
OK
Turn on the unsolicited
mode (previous selection is
used)
2.1.4 AT+WGPSRAW – Send raw data to the GPS module
This command will write a raw data stream to the GPS module. The data is not interpreted inside the GSM
module.
Syntax: AT+WGPSRAW=<pdu>
Examples :

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Descriptions and non-contractual illustrations in this document are given as an indication only.
ERCO&GENER reserves the right to make any modifications.
Command Possible Responses Notes
AT+WGPSRAW AT+WGPSRAW="raw UBX data string"
OK
Display syntax
AT+WGPSRAW=”B5
6206010600F005000
10001043200010000
0331”
OK
Successful transmission of
data to the GPS controller (this
example enables VTG frames
to be output from the GPS
module)
<pdu> data is entered as a binary string (in hexadecimal format) enclosed by quotes. Only the
following hexadecimal characters are allowed: ‘0’ to ’9’, and ’A’ to ’F’. Each pair of characters is
converted to a byte. For example, 41 is converted to hexadecimal value.
Notes:
The contents of <pdu> is the responsibility of the host user.
The length of <pdu> is limited to 512 characters corresponding to a frame of 256 hexadecimal bytes.
2.1.5 AT+WGPSPOS – Get position information
This command will to get the last position information received.
Syntax: AT+WGPSPOS
Response syntax:
+WGPSPOS:<fix>,<time>,<date>,<latitude>,<longitude>,<altitude>,<hdop>,<speed>,<course>,<nbsat>
Examples :
Command Possible Responses Notes
AT+WGPSPOS +WGPSPOS:2,100556.00,080606,4716.80053N,000
03.51560W,83.4,1.45,0.013,,07
OK
See defined
values below
<fix> 0 Invalid Fix
1 2D fix
2 3D fix
-1 It is not possible to define a position
<time> : hhmmss time of fix
ranges of values: hh (hour) 00 to 23
mm (minute) 00 to 59
ss (second) 00 to 59
Example: 130556 means 13:05:56 UTC
<date> : ddmmyy date of fix
ranges of values: dd (day) 01 to 31
mm (month) 01 to 12
yy (year) 2000 to 2099
Example: 191105 means 19th November 2005
<latitude> : ddmm.mmmmm(N/S)
ranges of values: dd (degrees) 00 to 90
mm.mmmmm (minutes) 00,00000 to 59.99999
(N/S) North or South
Example: latitude of the fix 4716.80053N means 47° 16.80053’ North
<longitude> : dddmm.mmmm(E/W)

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Descriptions and non-contractual illustrations in this document are given as an indication only.
ERCO&GENER reserves the right to make any modifications.
ranges of values: dd (degrees) 00 to 180
mm.mmmm (minutes) 00,0000 to 59.9999
(E/W) East or West
Example: longitude of the fix 12303.51560W means 123° 3.51560’ West
<altitude> : mmmm.m altitude of fix in meters
<hdop> : mmm.mm horizontal dilution of position in meters
<speed> : ssss.s speed over ground, in kilometres per hour
<course> : dddmm.mmmm course in degrees, minutes
ranges of values: ddd (degrees) 000 to 360
mm.mmmm (minutes) 00.0000 to 59.9999
<nbsat> : nn number of satellites in view
Note:
Some fields may be empty depending on the availability of the information.
2.1.6 AT+WGPSM – GPS module management
This command will :
power-up or down the GPS module,
perform specific GPS module reset,
provide the current GPS module software and hardware version.
Syntax: AT+WGPSM=<type>[,<mode>][,<reset>]
<type> 0 GPS module power management (see <mode> below)
1 GPS module reset (see <reset> below)
3 Get GPS module software and hardware version
<mode>
0 GPS module is powered down
1 GPS module is powered up (default)
If <mode> is omitted, the current status is returned
<reset>
0 GPS module is held in reset
1 GPS module is not held in reset (default)
If <reset> is omitted, the current status is returned
Examples :
Command Possible Responses Notes
AT+WGPSM AT+WGPSM=(0-1)(3),(0-1)
OK
Display syntax
AT+WGPSM=0,1
OK
Power up GPS module
AT+WGPSM=0 +WGPSM: 0,1
OK
GPS module is currently
powered up
AT+WGPSM=1,0
OK
GPS module is held in
reset
AT+WGPSM=1,1
GPS module not reset

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Descriptions and non-contractual illustrations in this document are given as an indication only.
ERCO&GENER reserves the right to make any modifications.
OK
AT+WGPSM=1 +WGPSM: 1,1
OK
GPS module is currently
not reset
AT+WGPSM=3 +WGPSM: SW VERSION 5.00 Jan 09
2006 12:00:00 - HW VERSION 00040001 +
Extension: M4H1.1 Jan 09 2006 15:3
9:54
OK
Get GPS module
software and hardware
version
Note : The AT command AT+WGPSM will not provide a GPS reset with boot mode.
2.1.7 AT+WIOR – Read GPIO value
This command will read the requested SPI GPIO pin value.
Syntax: AT+WIOR=<index>
<index>
0 Opto-coupled input 0
1 Opto-coupled input 1
2 Opto-coupled input 2
3 Motion detector (optional)
Examples :
Command Possible Responses Notes
AT+WIOR
AT+WIOR=(0-3)
OK
Display syntax
AT+WIOR=0 +WIOR: 0
OK
Opto-coupled input 0 is
low
AT+WIOR=1 +WIOR: 1
OK
Opto-coupled input 1 is
high
AT+WIOR=2 +WIOR: 0
OK
Opto-coupled input 2 is
low
AT+WIOR=3 +WIOR: 0
OK
Motion detector level is
low
2.1.8 AT+WIOW – Write GPIO value
This command will write a value to the requested SPI GPIO pin.
Syntax: AT+WIOW=<index>,<value>
<index>
0 Open-collector output (see <value> below)
1 UART1 RS232 interface (see <state> below)
7 UART2 redirection (see <mode> below)
8 UART2 redirection (see <mode> below)
<value>
0 Output pin is reset low
1 Output pin is set high

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Descriptions and non-contractual illustrations in this document are given as an indication only.
ERCO&GENER reserves the right to make any modifications.
<state>
0 UART1 RS232 interface is enabled (default)
1 UART1 RS232 interface is disabled (the RxD remains active allowing the unit to
continue to receive commands)
<mode>
0 Normal (default)
1 UART 2 RxD and TxD redirected to UART1 DSR and DTR (does not require reset and
external mode)
Examples :
Command Possible Responses Notes
AT+WIOW AT+WIOW=(0,1,7,8),(0-1)
OK
Display syntax
AT+WIOW=0,1
OK
Open-collector output is
set high
AT+WIOW=1,0
OK
UART1 RS232 interface is
enabled
AT+WIOW=7,1
OK
UART2 RxD/TxD
redirected to UART1
DSR/DTR
2.1.9 AT+WGPSANT – GPS antenna configuration
This command manages the GPS antenna configuration.
Syntax: AT+WGPSANT=<type>[,<mode>][,<mon>]
Response syntax: +WGPSANT: <type>,<mode>
: <type>,<mon>
: <type>,<status>,<presence>,<voltage>
Unsolicited response syntax: +WGPSANT: <type>,<status>,<presence>,<voltage>
<type> 0 Antenna configuration (see <mode> below)
1 Antenna monitoring management (see <mon> below)
2 Antenna status (see <status> below)
<mode>
0 0v (antenna not powered)
1 3v internal (default) (antenna powered)
<mon> 0 Monitoring is deactivated (default)
1 Monitoring is activated
<status>
0 Antenna is not powered
1 Antenna is powered
Note : In the case of a short circuit, the hardware protection disconnects the antenna,
causing an open circuit. After a 10-second delay the antenna is re-powered.
<presence>
0 No antenna connected
1 Antenna connected

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Descriptions and non-contractual illustrations in this document are given as an indication only.
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2 Antenna loading detection not activated
<voltage>
The antenna voltage in mV.
Examples :
Command Possible Responses Notes
AT+WGPSANT +WGPSANT=type(,[mode][mon])
OK
Display syntax
AT+WGPSANT=0
OK
Antenna is currently
powered
AT+WGPSANT=1,1
OK
Activate antenna
monitoring
Unsolicited message +WGPSANT: 2,1,0,3282 An open circuit has been
detected. Antenna
deconnected
Unsolicited message +WGPSANT: 2,1,1,3116 Antenna reconnected and
present
AT+WGPSANT=2 +WGPSANT: 2,1,1,3116
OK
No open circuit detected
and antenna is connected
with voltage 3.116V
Notes : It is not necessary to perform a reset for this command to be taken into account.
The AT command AT+WGPSANT will not manage the modes EXT or Single Coax Options for the
GPS antenna configuration.
2.1.10 AT+SHOWPOS – Automatic display of GPS coordinates
This command will automatically display the GPS coordinates. The output will be as if the command
AT+WGPSPOS had been entered every n seconds, i.e.:
+WGPSPOS:2,074657.00,170506,4716.80554N,00003.51461W,78.0,0.92,0.007,,08
+WGPSPOS:2,074707.00,170506,4716.80550N,00003.51490W,77.8,0.92,0.006,,08
+WGPSPOS:2,074717.00,170506,4716.80535N,00003.51490W,77.9,0.92,0.005,,08
etc.
Syntax: AT+SHOWPOS=<n>
<n> 0 Stop automatic display of GPS information
1 to 240 (seconds) : Display GPS information every n seconds
The parameter of this command will be saved immediately to the internal flash memory.
Examples :
Command Possible Responses Notes
AT+SHOWPOS AT+SHOWPOS=(0-240)
OK
Display syntax
AT+SHOWPOS=10
OK
Display GPS information
every 10 seconds
AT+SHOWPOS? +SHOWPOS: 10
Display current value of
SHOWPOS

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Descriptions and non-contractual illustrations in this document are given as an indication only.
ERCO&GENER reserves the right to make any modifications.
OK
AT+SHOWPOS=0
OK
Stops automatic display of
GPS information
2.1.11 AT+ERRORSTAT – Display NMEA and UBX frame status
This command will display the number of received NMEA and UBX frames and the number of checksum
frame errors received by UART2 from the GPS module.
Syntax: AT+ERRORSTAT=<n>
<n> 0 NMEA frames
1 UBX frames
Examples :
Command Possible Responses Notes
AT+ERRORSTAT AT+ERRORSTAT=(0-1) (0=NMEA, 1=UBX)
OK
Display syntax
AT+ERRORSTAT=0 NMEA error status: checksum errors
= 0 / 17877 (frames received)
OK
Display status for NMEA
frames. In this case zero
errors for 17877 frames
received
AT+ERRORSTAT=1 UBX error status: checksum errors
= 0 / 10 (frames received)
OK
Display status for UBX
frames. In this case zero
errors for 10 frames
received
2.1.12 AT+WGPSCONF – GPS configuration
The AT command AT+WGPSCONF cannot be used to modify GPS settings.

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Descriptions and non-contractual illustrations in this document are given as an indication only.
ERCO&GENER reserves the right to make any modifications.
2.2 UBX commands
2.2.1 AT+HELPUBX – Display list of UBX commands
This command will display a list of the available UBX commands that use the UBX protocol between the
Wismo and the GPS module.
Syntax: AT+HELPUBX
Example :
Command Possible Responses
AT+HELPUBX AT+UBXMONVER..............Display hardware and software
version of the GPS module
AT+UBXMONHW...............Display status of the hardware of
the GPS module
AT+UBXCFGDAT..............Display (?) or set datum (=0-215)
AT+UBXCFGDPM............
.
.Display (?) or set Dynamic Platform
Model (=1-7)
OK
Note: Display UBX command list
2.2.2 AT+UBXMONVER – Display HW / SW version of the GPS module
This command will display the current hardware and firmware version of the GPS module including any
extensions.
Syntax: AT+UBXMONVER
Example :
Command Possible Responses
AT+UBXMONVER GPS module - SW version: "5.00 Jan 09 2006 12:00:00"
GPS module - HW version: "00040001"
GPS module - Extension : "M4H1.1 Jan 09 2006 15:39:54"
OK
Note: Display current hardware and firmware version of the GPS module
2.2.3 AT+UBXMONHW – Display GPS module hardware status
This command will display the status of different aspects of the hardware the GPS module, such as Antenna,
Noise Level, Automatic Gain Control (AGC) and Real-Time-Clock.
Syntax: AT+UBXMONHW
Example :
Command Possible Responses Notes
AT+UBXMONHW Noise Level measured by GPS Core : 159
AGC Monitor : 6123
Antenna Supervisor Status : OK
Antenna PowerStatus : ON
Real-Time Clock : Calibrated
OK
Noise level.
AGC monitor level.
Antenna supervisor
state machine status.
Antenna power status.
Internal RTC set to
received GPS time.

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Descriptions and non-contractual illustrations in this document are given as an indication only.
ERCO&GENER reserves the right to make any modifications.
2.2.4 AT+UBXCFGDAT – Display / Set GPS DATUM
This command will display or set the GPS Datum.
Syntax: AT+UBXCFGDAT=<n>
<n> 0 to 215 Datum identifier (Default value is 0, corresponding to WGS84)
Examples :
Command Possible Responses
AT+UBXCFGDAT AT+UBXCFGDAT=(0-215)
OK
Display syntax
AT+UBXCFGDAT=0
OK
Set Datum to 0 (WGS84)
AT+UBXCFGDAT? Current Datum: 0 - WGS84
OK
Display current Datum
setting. In this case 0
(WGS84)
2.2.5 AT+UBXCFGDPM – Display / Set GPS module Dynamic Platform Model
This command will display or set the Dynamic Platform Model used by the GPS module thus adjusting the
navigation engine to the expected environment. This can result in a better interpretation of the
measurements and hence more accurate position output.
Syntax: AT+UBXCFGPM=<n>
<n> 1 Stationary – Velocity is constrained to 0 m/s
2 Pedestrian – Assuming low accelerations, portable devices moved by manpower
3 Automotive – Assuming low vertical acceleration, passenger car dynamics
4 Sea – Zero vertical velocity, applications at sea
5 Airborne <1g – Dynamic range greater than car and greater vertical acceleration
6 Airborne <2g – Typical airplane environment
7 Airborne <4g – Extreme dynamic environment
Examples :
Command Possible Responses
AT+UBXCFGDPM AT+UBXCFGDPM=(1-7)
OK
Display syntax
AT+UBXCFGDPM=3
OK
Select Automotive Dynamic
Platform Model
AT+UBXCFGDPM? +UBXCFGDPM: 3
OK
Display current Dynamic
Platform Model setting. In
this case 3 (Automotive)
2.2.6 AT+UBXSHOW – Display UBX frames
This command will display the UBX frames exchanged between the UART2 and the GPS module.
Syntax: AT+UBXSHOW=<n>

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<n> 0 Turns off display of UBX frames
1 Display RX frames only
2 (Display TX frames only
3 Display RX and TX frames
n+80 Display with ascii interpretation
Examples :
Command Possible Responses
AT+UBXSHOW AT+UBXSHOW=(0-3) + (80 for ASCII)
OK
Display syntax
AT+ UBXSHOW=1
OK
Enable display of RX frames
only
AT+ UBXSHOW=2
OK
Enable display of TX frames
only
AT+ UBXSHOW=3
OK
Enable display of both RX
and TX frames
AT+ UBXSHOW=83
OK
Enable display of both RX
and TX frames and ascii
interpretation
AT+ UBXSHOW? +UBXSHOW=83
OK
Display current setting for
UBXSHOW. In this case RX,
TX frames and ascii
interpretation
AT+ UBXSHOW=0
OK
Turns off display of UBX
frames
Example a) - Display of RX frames only :
AT+UBXSHOW=1
OK
AT+UBXCFGDAT?
- <UBX RX> CFG_DAT:
B5 62 06 06 34 00 00 00 57 47 53 38 34 00 00 00
00 40 A6 54 58 41 88 6D 74 96 1D A4 72 40 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 E2 A5
Current Datum: 0 - WGS84
OK
- <UBX RX> ACK_ACK:
B5 62 05 01 02 00 06 06 14 3D
Example b) - Display of RX and TX frames with ascii interpretation :
AT+UBXSHOW=83
OK
AT+UBXCFGDAT?

EG_GenLoc31e_988_CL_002_UK Page 17 / 22
Descriptions and non-contractual illustrations in this document are given as an indication only.
ERCO&GENER reserves the right to make any modifications.
- <UBX TX> CFG_DAT:
B5 62 06 06 00 00 0C 2A µb.....*
- <UBX RX> CFG_DAT:
B5 62 06 06 34 00 00 00 57 47 53 38 34 00 00 00 µb..4...WGS84...
00 40 A6 54 58 41 88 6D 74 96 1D A4 72 40 00 00 .@¦TXAˆmt–.¤r@..
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 E2 A5 ..........â¥
Current Datum: 0 - WGS84
OK
- <UBX RX> ACK_ACK:
B5 62 05 01 02 00 06 06 14 3D µb.......=

EG_GenLoc31e_988_CL_002_UK Page 18 / 22
Descriptions and non-contractual illustrations in this document are given as an indication only.
ERCO&GENER reserves the right to make any modifications.
2.3 Serial Flash commands
These commands provide a means of accessing the optional serial flash memory. Refer to the data sheet
for the type of flash used for detailed information.
2.3.1 AT+SFHELP – Display serial flash commands
This command will display a list of the available commands to access and manage the serial flash.
Syntax: AT+SFHELP
Example :
Command Possible Responses
AT+SFHELP
------------------------- SERIAL FLASH -------------------------
AT+SFHELP.................Display list of commands
AT+SFTYPE.................Display manufacturer, memory size and erase
block size(s)
AT+SFSR...................Display Status Register
AT+SFWRTEXT=addr,"text"...Write an ascii text to the address addr
AT+SFRD=start,length(,a)..Read length bytes from start address, (a=1:
ascii dump)
AT+SFWEL=x................Display or modify Write Enable Latch bit:
0=Disabled, 1=Enabled
AT+SFBP=x.................Display or modify Block Protection bits:
1=Protected, 0=Unprotected
AT+SFEB=x(,s).............Erase block, size (default 64Kbytes)
AT+SFECHIP................Erase entire memory
OK
Note: Display Serial Flash command list
2.3.2 AT+SFTYPE – Display serial flash type
This command will display the manufacturer, type, memory size and erase block size in bytes of the serial
flash (if present).
Syntax: AT+SFTYPE
Examples :
Command Possible Responses
AT+SFTYPE
------------- SERIAL FLASH -------------
Manufacturer: SST (0xBF), Type: SST25VF016B (0x2541)
Size: 2097152 Bytes
Erase Blocks: 64KB 32KB 4KB
OK
Display
information
about
detected
serial flash
AT+SFTYPE
No Serial Flash detected
OK
No serial
flash is
present

EG_GenLoc31e_988_CL_002_UK Page 19 / 22
Descriptions and non-contractual illustrations in this document are given as an indication only.
ERCO&GENER reserves the right to make any modifications.
2.3.3 AT+SFSR – Display status register contents
This command will display the contents of the status register in the serial flash. Displayed value is in
hexadecimal format.
Syntax: AT+SFSR
Example :
Command Possible Responses Notes
AT+SFSR
+SFSR: 0x1C
OK
Status register contains
0x1C
2.3.4 AT+SFWEL – Display / modify Write Enable Latch bit
This command will display or modify the Write Latch Enable (WEL) bit in the status register. Note that the
WEL bit must be set (enabled) and the appropriate BP bit(s) must be cleared (unprotected) before attempting
to modify the memory.
The WEL bit will be cleared to 0 (disabled) after a write to the status register, the block protection bits or the
memory.
Syntax: AT+SFWEL=<n>
<n> 0 Disabled
1 Enabled
Examples :
Command Possible Responses Notes
AT+SFWEL AT+SFWEL=x (0=Disabled, 1=Enabled)
OK
Display syntax
AT+SFWEL=0
OK
Set WEL bit to 0
AT+SFWEL=1
OK
Set WEL bit to 1
AT+SFWEL? +SFWEL: 1
OK
Display current value of
WEL bit. In this case 1

EG_GenLoc31e_988_CL_002_UK Page 20 / 22
Descriptions and non-contractual illustrations in this document are given as an indication only.
ERCO&GENER reserves the right to make any modifications.
2.3.5 AT+SFBP – Display / modify Block Protection bits
This command will display or modify the block protection bits in the status register. Note that the WEL bit
must be set (enabled) before attempting to modify the BP bit(s). Also, the WEL bit must be set (enabled) and
the appropriate BP bit(s) must be cleared (unprotected) before attempting to modify the memory.
Syntax: AT+SFBP=<n>
<n> 0 Unprotected
1 Protected
Examples :
Command Possible Responses Notes
AT+ SFBP AT+SFBP=x (0=Unprotected, 1=Protected)
OK
Display syntax
AT+SFBP=1
OK
Set all BP bits to 1
AT+SFBP=0
OK
Set all BP bits to 0
AT+SFBP?
+SFBP: 0
OK
Display current value of BP
bits. In this case 0
2.3.6 AT+SFWRTEXT – Write ascii text string to memory
This command will write an ascii text string to the serial flash memory. Note that the WEL bit must be set
(enabled) and the appropriate BP bit(s) must be cleared (unprotected) before attempting to modify the
memory.
Syntax: AT+SFWRTEXT=<n>,“ascii text”
<n> Start address (0 to maximum memory size (decimal value)
“ascii text” ascii text string
Example :
Command Possible Responses
AT+SFWRTEXT=50,”An ascii text string” 20 bytes written to address 0x00000032
OK
Note: The ascii text string is written to the flash starting
at address 50 (0x00000032)