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GNSS Module Series

LG69T(AM,AS)_EVB_User_Guide

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45

3

EVB Interfaces

3.1.

EVB Top View

EVB top view is shown in the figure below.

J401

LG69T GNSS_ANT

J603

LTE-ANT

U601

EG25-G module

U301

LG69T GNSS module

S101

Power switch

J201

USB_UART

J604

SIM card

S601

RESET_EC20

S201

RESET_GNSS

S202

BOOT_GNSS

D309

TXD/1PPS

indication LED

D109

5 V/3.3 V

indication LED

J601

USB_EC20

EVB Version

J302

Test points

D310

GEO_F/RTK_S

indication LED

Figure 3: EVB Top View

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Summary of Contents for LG69T AM

Page 1: ...LG69T AM AS EVB User Guide GNSS Module Series Version 1 0 Date 2022 10 20 Status Released ...

Page 2: ...e employ commercially reasonable efforts to provide the best possible experience you hereby acknowledge and agree that this document and related services hereunder are provided to you on an as available basis We may revise or restate this document from time to time at our sole discretion without any prior notice to you Use and Disclosure Restrictions License Agreements Documents and information pr...

Page 3: ...o implement module functionality certain device data are uploaded to Quectel s or third party s servers including carriers chipset suppliers or customer designated servers Quectel strictly abiding by the relevant laws and regulations shall retain use disclose or otherwise process relevant data for the purpose of performing the service only or as permitted by applicable laws Before data interaction...

Page 4: ...h these precautions Ensure that the product may be used in the country and the required environment as well as that it conforms to the local safety and environmental regulations Keep away from explosive and flammable materials The use of electronic products in extreme power supply conditions and locations with potentially explosive atmospheres may cause fire and explosion accidents The product mus...

Page 5: ...e Document Revision History Document Information Title LG69T AM AS EVB User Guide Subtitle GNSS Module Series Document Type EVB User Guide Document Status Released Version Date Description 2022 03 14 Creation of the document 1 0 2022 10 20 First official release ...

Page 6: ... Upgrade 22 5 3 1 Module s MCU Firmware Download in Boot Download Mode 22 5 3 2 Module s MCU Firmware Upgrade in Normal Operating Mode 24 5 3 3 GNSS Firmware Upgrade 27 6 EG25 G Module Firmware Upgrade via QFlash Tool 30 7 RTK Application 34 7 1 Connect to Base Station 34 7 1 1 Hardware Connection 35 7 2 Base Station Configuration 36 7 2 1 Base Station Receiver Mode Configuration 36 7 2 2 Base Sta...

Page 7: ...ponents 10 Table 2 Detailed EVB Interfaces 13 Table 3 J302 Pin Assignment 14 Table 4 J302 Pin Detailed Description 15 Table 5 QGNSS Interface Explanation 20 Table 6 NTRIP Caster Server Options 39 Table 7 TCP Server Options 41 Table 8 Related Document 43 Table 9 Terms and Abbreviations 43 ...

Page 8: ...ding 24 Figure 18 Configure Tool for MCU Firmware Upgrading 25 Figure 19 Select MCU Firmware to be Upgraded 25 Figure 20 Start MCU Firmware Upgrading 26 Figure 21 Successful MCU Firmware Upgrading 26 Figure 22 Launch Tool for GNSS Firmware Upgrading 27 Figure 23 Configure Tool for GNSS Firmware Upgrading 27 Figure 24 Select GNSS Firmware to be Upgraded 28 Figure 25 Start GNSS Firmware Upgrading 28...

Page 9: ...he modules via the QCOM tool Chapter 5 describes how to upgrade firmware of GNSS modules via the QGNSS tool Chapter 6 describes how to upgrade firmware of EG25 G module via the QFlash tool Chapter 7 introduces the RTK Real Time Kinematic application Chapter 8 is an appendix which summarizes the relevant documents terms and abbreviations appearing herein 1 For EVB schematic and PCB layout design fi...

Page 10: ...el Active GNSS Antenna LTE Antenna Micro USB Cable Type B USB Cable Bolts and Coupling Nuts The EVB kit components are shown in the figure below Check Table 1 List of Kit Components for more information Bolts and Coupling Nuts Micro USB Cable Quectel Active GNSS Antenna LTE Antenna EVB Type B USB Cable Figure 1 EVB and Components ...

Page 11: ...L1 C A and L5 Only for LG69T AS LTE Antenna LTE Antenna 1 Instruction Sheet Sheet providing instructions on how to connect the EVB and its components detailed information on EVB components etc 1 Others Bolts and Coupling Nuts 4 pairs Request Quectel Technical Support support quectel com for details about Quectel Active GNSS Antenna and LTE Antenna 2 2 Connect Cables and Antenna to EVB The connecti...

Page 12: ...GNSS Module Series LG69T AM AS _EVB_User_Guide 11 45 Figure 2 EVB and Components Assembly Make sure that the active GNSS antenna is placed with a clear line of sight to the sky NOTE ...

Page 13: ...low J401 LG69T GNSS_ANT J603 LTE ANT U601 EG25 G module U301 LG69T GNSS module S101 Power switch J201 USB_UART J604 SIM card S601 RESET_EC20 S201 RESET_GNSS S202 BOOT_GNSS D309 TXD 1PPS indication LED D109 5 V 3 3 V indication LED J601 USB_EC20 EVB Version J302 Test points D310 GEO_F RTK_S indication LED Figure 3 EVB Top View ...

Page 14: ...rd NMEA RTCM message output PQTM command input If you need to use the Standard COM Port configure the RTK function of the GNSS module via EG25 G module and insert the SIM card RF Interface J401 LG69T GNSS_ANT Connector Used for connecting GNSS antenna J603 LTE_ANT Connector Used for connecting LTE antenna Signal Indication D309 TXD 1PPS indication LED 1PPS Red LED Flashing 1 Hz pulse signal output...

Page 15: ... Press and hold the BOOT_GNSS button first and then flip the power switch to ON position to set the GNSS module to Boot download mode Others J604 SIM Card Connector If the SIM card is not inserted and the RTK account is not configured UART2 Standard COM Port cannot receive data Test Points J302 Test Points Pins are detailed in Table 4 J302 Pin Detailed Description J302 pin assignment is shown belo...

Page 16: ...J302 Pin Detailed Description Pin Name I O Description SPI_MOSI NC Not connected SPI_SCK NC TXD1 DO TXD1 transmits data RXD1 DI RXD1 receives data 1PPS DO One pulse per second SPI_CS NC SPI_MISO NC TXD2 DO TXD2 transmits data RXD2 DI RXD2 receives data GND Ground ...

Page 17: ...e USB port numbers in the PC OS system Device Manager Figure 4 USB Ports Step 3 Install the QCOM tool provided by Quectel The QCOM interface for COM port setting is shown in the figure below default baud rate 460800 bps 1 Figure 5 QCOM Interface for COM Port Setting Step 4 Select the correct COM Port USB Port shown in Figure 4 USB Ports and correct Baudrate Step 5 Click Open Port to establish comm...

Page 18: ...GNSS Module Series LG69T AM AS _EVB_User_Guide 17 45 Figure 6 RTCM Message Output of LG69T AS Displayed on QCOM Tool Interface Figure 7 NMEA Message Output of LG69T AM Displayed on QCOM Tool Interface ...

Page 19: ...SS Setting Step 1 Assemble the EVB components Step 2 Connect the EVB and the PC with a Micro USB cable Flip the Power switch S101 to ON position to power on the EVB Step 3 Start the QGNSS and click Device and Set Device Information default baud rate 460800 bps 2 Figure 8 COM Port and Baud Rate Setting Step 4 Click Connect or disconnect button Once the module is connected the interface shown in the...

Page 20: ...oolbar select Setup interface to convert WGS84 World Geodetic System to ECEF Geocentric Coordinate System Enter the corresponding coordinates of Lon Degree Lat Degree Alt m in the LLA column and then select Calculate CEP50 to convert WGS84 to the X Y Z coordinates of ECEF as shown in the figures below Figure 10 Converting WGS84 to ECEF ...

Page 21: ...find out more about these parameters Table 5 QGNSS Interface Explanation Icon Explanation The sky view interface shows the position of the satellites in use 1 The left column icons show the satellites in use and their number BDS 6 GLO GLONASS 0 GPS 6 GAL Galileo 2 QZSS 0 NavIC IRNSS 0 SBAS 0 2 The sky view on the right shows the position of the satellites in use WGS84 can be converted to ECEF rega...

Page 22: ...s are in use PRN 1 C N0 is 21 dB Hz Column in light red means that the navigation data of the satellites are not in use Longitude unit degree Latitude unit degree Altitude MSL unit m Altitude EPH unit m Receiver speed unit km h Horizontal dilution of precision Position dilution of precision Fix Mode 2D 3D Quality Indicator DGNSS DGPS GPS SPS mode UTC date and time Age of differential GPS data Last...

Page 23: ...firmware download process connect the EVB to a PC with a Micro USB cable and flip the power switch S101 to OFF position To download the module s MCU firmware in Boot download mode Step 1 Open QGNSS tool and click Tools and select Firmware Download in the drop down box Figure 12 Launch Tool for MCU Firmware Downloading Step 2 Select Download Baudrate in the drop down box of Settings Figure 13 Confi...

Page 24: ...re file e g LG69TAMNR01A02V02_RTK_PO_BOOT bin Figure 14 Select MCU Firmware to be Downloaded Step 4 Press and hold the BOOT_GNSS button before flipping the power switch to ON position and then release the BOOT_GNSS button to set the module to Boot download mode Then click button Figure 15 Start MCU Firmware Downloading ...

Page 25: ... 5 3 2 Module s MCU Firmware Upgrade in Normal Operating Mode Before the module s MCU firmware upgrade process connect the EVB to a PC with a Micro USB cable and flip the power switch S101 to OFF position To upgrade the module s MCU firmware in Normal operating mode Step 1 Open QGNSS tool and click Tools and select Firmware Download in the drop down box Figure 17 Launch Tool for MCU Firmware Upgra...

Page 26: ... 2 Select Download Baudrate in the drop down box of Settings Figure 18 Configure Tool for MCU Firmware Upgrading Step 3 Select MCU_Upgrade and then click to select firmware file e g LG69TAMNR01A02V02_RTK_PO_UPG bin Figure 19 Select MCU Firmware to be Upgraded ...

Page 27: ...efore flipping the power switch to ON position and then start downloading the MCU firmware Figure 20 Start MCU Firmware Upgrading Step 5 Upon successful firmware upgrading the QGNSS tool progress bar on the screen will indicate 100 Figure 21 Successful MCU Firmware Upgrading ...

Page 28: ...ownload GNSS firmware in Normal operating mode Step 1 Open QGNSS tool and click Tools and select Firmware Download in the drop down box Figure 22 Launch Tool for GNSS Firmware Upgrading Step 2 Select Download Baudrate in the drop down box of Settings Figure 23 Configure Tool for GNSS Firmware Upgrading Step 3 Select GNSS_Upgrade and then click Open button to select firmware file e g LG69TAMNR01A02...

Page 29: ...9T AM AS _EVB_User_Guide 28 45 Figure 24 Select GNSS Firmware to be Upgraded Step 4 Click button before flipping the power switch to ON position and then start downloading the firmware Figure 25 Start GNSS Firmware Upgrading ...

Page 30: ...uide 29 45 Step 5 Upon successful firmware upgrading the QGNSS tool progress bar on the screen will be indicate 100 Figure 26 Successful GNSS Firmware Upgrading Make sure the GNSS module is in Continuous mode before GNSS firmware upgrading NOTE ...

Page 31: ...ware tool to upgrade EG25 G module firmware For more information about QFlash usage see document 3 QFlash User Guide To upgrade EG25 G module firmware Step 1 Before EG25 G module firmware upgrade process connect the EVB to a PC with a Micro USB cable via USB_EC20 interface J601 PC Micro USB J 601 Micro USB J201 Figure 27 Connection Between EVB and PC ...

Page 32: ...AT and DM COM port number in the Device Manager as shown in the figure below Figure 28 USB Ports Step 3 Open QFlash tool click Load FW File and select ENPRG9x07 mbn Then set the COM Port to DM Port and Baudrate to 921600 bps Figure 29 QFlash Tool Setting Step 4 Click Start to start firmware downloading as shown in the figure below ...

Page 33: ...ries LG69T AM AS _EVB_User_Guide 32 45 Figure 30 Firmware Downloading Step 5 Upon successful firmware downloade the QFlash tool progress bar on the screen will indicate PASS Figure 31 Successful Firmware Downloading ...

Page 34: ..._User_Guide 33 45 The software version and QFlash tool cannot be stored in directories containing Chinese characters special characters and spaces when you download the firmware of the EG25 G module Otherwise the download will fail NOTE ...

Page 35: ... chapter outlines how the LG69T AM module is used as the rover and LG69T AS module is used as the base station as well as how to Connect to the base station Configure the base station Configure RTK data interaction mode and Configure STRSVR tool 7 1 Connect to Base Station LG69T AS module is the base station that provides correction data required by the rover to enter RTK mode The transmission of ...

Page 36: ...Ntrip TCP Server LG69T AS Base Station Using NTRIP Protocol Using TCP Protocol STRSVR GNSS Raw Measurements GNSS Raw Measurements Cellular Module RTCM RTCM Figure 32 Connect to Base Station 7 1 1 Hardware Connection The connection between EVB and PC is shown in the figure below For more information about how to connect to the EVB and its components see Chapter 2 2 Connect Cables and Antenna to EVB...

Page 37: ...2 1 Base Station Receiver Mode Configuration The following command is used to set the Receiver Mode of base station The base station needs to work in static mode and there are two ways to enter static mode Survey in mode and Fixed mode For more information see document 4 Protocol Specification Synopsis PQTMSETRECVMODE Mode Duration AntHeight ECEF_X ECEF_Y ECEF_Z Check sum CR LF ...

Page 38: ...sending the command to the AT port of the EG25 G module The RTK data interaction mode needs to be reconfigured every time the EG25 G module upgrades its firmware The commands format is as follows Synopsis AT QGNSSPARAM ProtoMode DataMode ip port usr pwd mount_point Parameter Parameter Description ProtoMode 0 NTRIP protocol 1 TCP protocol DataMode 0 Rover Station 1 Base station ip Server IP address...

Page 39: ...ansmission via NTRIP Protocol Step 1 Send AT QGNSSPARAM 1 1 ip port usr pwd mount_point to AT port of the EG25 G to configure the LG69T AS module as the Base Station Step 2 Send AT QGNSSPARAM 1 0 ip port usr pwd mount_point to AT port of the EG25 G to configure LG69T AM module as the Rover Station Step 3 Open STRSVR tool 0 Input is the configuration of the Base Station and 1 Output is the configur...

Page 40: ...r IP address Port Server port Mountpoint Mount point User ID Username Password Password Step 5 For 1 Output set RTK account configuration information in the NTRIP Caster Server Options interface as shown below and see Table 6 NTRIP Caster Server Options for details Multiple modules can simultaneously be connected to the 1 Output port Figure 36 Configure STRSVR Tool NTRIP 3 ...

Page 41: ...ission via TCP Protocol Step 1 Send AT QGNSSPARAM 1 1 ip port to AT port of the EG25 G to configure the LG69T AS module as the Base Station Step 2 Send AT QGNSSPARAM 1 0 ip port to AT port of the EG25 G to configure LG69T AM module as the Rover Station Step 3 Open STRSVR tool 0 Input is the configuration of the Base Station and 1 Output is the configuration of the Rover Station Set the Type of 0 I...

Page 42: ...Server Host Server IP address Port Server port TCP method does not require you to enter Mountpoint User ID and Password when setting RTK account configuration information Step 5 For 1 Output set RTK account configuration information in the TCP Server Options interface as shown below and see Table 7 TCP Server Options for details Multiple modules can simultaneously be connected to the 1 Output Figu...

Page 43: ... LG69T AM AS _EVB_User_Guide 42 45 Step 6 Click Start to start configuring the server Once the configuration is complete the STRSVR tool progress bar on the screen will indicate 100 Figure 41 Configure STRSVR Tool TCP 4 ...

Page 44: ...nsion AT Attention BDS BeiDou Navigation Satellite System CEP Circular Error Probable C N0 Carrier to Noise Ratio DI Digital Input DO Digital Output DR Dead Reckoning EPH Ellipsoidal Height ESD Electrostatic Discharge EVB Evaluation Board Document Name 1 Quectel_QCOM_User_Guide 2 Quectel_QGNSS_User_Guide 3 Quectel_QFlash_User_Guide 4 Quectel_LG69T AS _GNSS_Protocol_Specification ...

Page 45: ...l Bus MISO Master In Slave Out MOSI Master Out Slave In MSL Mean Sea Level MSM Multiple Signal Messages NAVIC IRNSS Indian Regional Navigation Satellite System NMEA National Marine Electronics Association NTRIP Networked Transport of RTCM via Internet Protocol PC Personal Computer PCB Printed Circuit Board 1PPS One Pulse Per Second PRN Pseudorandom Noise QZSS Quasi Zenith Satellite System RTCM Rad...

Page 46: ...M AS _EVB_User_Guide 45 45 Abbreviation Description TCP Transmission Control Protocol TF TransFlash TNC Thread Neill Concelman TTFF Time to First Fix TXD Transmit Data Pin USB Universal Serial Bus UTC Coordinated Universal Time ...

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