background image

 

Baseband Technologies Inc. 

Title: Stamp-size Ultra Low-Power GPS Receiver Module User Guide Rev. 1.0 

Page 1 

 

 
 
 
 
 
 
 
 

  

 

Stamp-size Ultra Low-Power 
GPS Receiver Module  
User Guide

 

 

Summary of Contents for Stamp Module

Page 1: ...Baseband Technologies Inc Title Stamp size Ultra Low Power GPS Receiver Module User Guide Rev 1 0 Page 1 Stamp size Ultra Low Power GPS Receiver Module User Guide...

Page 2: ...Operating procedure 18 3 4 1 Connect the Stamp Module 18 3 4 2 Identify the COM port 18 3 4 3 Programming the Stamp Module 18 3 4 4 Data collection 20 3 4 5 Data Capture and Data Parsing 21 4 Advanced...

Page 3: ...ndtech com for further information The Stamp Module uses Maxim Integrated MAX2769 L1 band GPS RF front end IC RFIC and Baseband Technologies ultra low power GPS baseband processing firmware running on...

Page 4: ...is made by Tallysman Wireless Inc and can be purchased at Digikey https www digikey com products en keywords 1526 1023 nd The active antenna is activated by using the ANTENNA command refer to section...

Page 5: ...e must be 1 8V to 3 3V The pin out of the UART header is Pin 1 RTS Pin 2 GND Pin 3 CTS Pin 4 RX Pin 5 GND Pin 6 TX The PWR header J4 is a multi purpose connector Pin 1 GND Pin 3 GND and Pin 4 5V suppl...

Page 6: ...up to 5V The energy capacity of the battery is up to the user The battery is not supplied with the board However there are many suppliers of such batteries One suggested product is https solarbotics...

Page 7: ...t be authorized and initialized Figure 2 shows the Authorization Initialization and Operating procedures 3 2 Authorization procedure 3 2 1 Connect the Stamp Module If possible disconnect all physical...

Page 8: ...Stamp Module utilities utilities zip at the product webpage at https www basebandtech com stamp Unzip the utilities to a folder of your choice the example below created a folder named RefDesign under...

Page 9: ...nc Title Stamp size Ultra Low Power GPS Receiver Module User Guide Rev 1 0 Page 9 Type mode to display the COM port that the Stamp Module is connected to the example below shows the board is connected...

Page 10: ...irm that a new file named getauthid_yyyymmddHHMMSS log has been created in the utilities folder where yyyymmddHHMMSS is a series of digits representing year month day hour minute and second when the l...

Page 11: ...device identification number Keep this file in a secured location you will need to update the firmware in the future Username Password 3 2 5 Update AUTHCODE If you have not received your AUTHCODE aft...

Page 12: ...onsistent with what you have purchased Confirm that a new file named authcode_XX XX XX XX_ddddddddddddd log has been created in the utilities folder where XX XX XX XX is the DeviceID of your board and...

Page 13: ...tamp Module repeat the same procedure as outlined in section 3 2 1 3 3 2 Identify the COM port To identify the port connected to the Stamp Module repeat the same procedure as outlined in section 3 2 2...

Page 14: ...Baseband Technologies Inc Title Stamp size Ultra Low Power GPS Receiver Module User Guide Rev 1 0 Page 14 Type gpsconsole 6 ephemeris to inject the extended ephemeris to the Stamp Module...

Page 15: ...rst time OR if the board has travelled more than 100Km from the last computed position The initialization procedure can be performed repeatedly without causing any harm to the Stamp Module If unsure r...

Page 16: ...ANTENNA ACTIVE TEST command can also be used to test if the active antenna is connected properly by detecting if there is current draw from the RFIC to the active antenna If so LED D1 will be illumina...

Page 17: ...Baseband Technologies Inc Title Stamp size Ultra Low Power GPS Receiver Module User Guide Rev 1 0 Page 17...

Page 18: ...onnect the Stamp Module To reconnect the Stamp Module repeat the same procedure as outlined in section 3 2 1 3 4 2 Identify the COM port To identify the port connected to the Stamp Module repeat the s...

Page 19: ...e Stamp size Ultra Low Power GPS Receiver Module User Guide Rev 1 0 Page 19 Type gpsconsole 6 setup to program the Stamp Module using the sample configurations defined in the setup gc script see secti...

Page 20: ...Baseband Technologies Inc Title Stamp size Ultra Low Power GPS Receiver Module User Guide Rev 1 0 Page 20 3 4 4 Data collection...

Page 21: ...data collection 3 4 5 Data Capture and Data Parsing Data collection using the gpsconsole setup gc script will save all activity in a file called setup_yyyymmddHHMMSS log where yyyymmddHHMMSS is a dat...

Page 22: ...ould come on If LED D1 does not light up then try tightening up the antenna connector or reattaching the antenna until D1 lights up Syntax ANTENNA ACTIVE PASSIVE TEST Examples ANTENNA ACTIVE Use activ...

Page 23: ...nty of the on board TCXO Syntax FREQ Doppler frequency offset in Hz uncertainty in Hz Example FREQ 475 50 4 1 6 KILL FIRMWARE Description KILL FIRMWARE command erases the existing firmware saved in fl...

Page 24: ...vailable in MODE 1 2 3 contain RF sample information They can be sent to LOG SPI FLASH and SD destinations Note ORS messages will not be included in the LOG file on the SD card MS1 MS8 and MSE message...

Page 25: ...tellite acquisition process When an initial position is not defined the receiver will automatically use the last computed position or calculate a position using an advanced Doppler positioning algorit...

Page 26: ...TTINGS RESET Reset current settings 4 1 13 RTS Description RTS command overrides the RTS pin on the FTDI board for GPIO testing The AUTOSLEEP option works with the WAKE pin when WAKE ACTIVELOW is set...

Page 27: ...state Syntax STOP Example STOP 4 1 17 SYNCTIME Description SYNCTIME command is a macro for gpsconsole to synchronize the on board RTC to the host PC time using the TIME command Syntax SYNCTIME Example...

Page 28: ...d displays the firmware version number Syntax VERSION Example VERSION 4 1 21 WAKE Description WAKE configure the WAKE pin to keep the receiver out of sleep when the pin is pulled high 1 8V 3 3V or pul...

Page 29: ...cloud based server to compute the positions While there are many ways to access the cloud server the easiest way is using the web interface at http demo basebandtech com Please contact us at info base...

Page 30: ...positioning algorithm The Latitude and Longitude does not need to be overly accurate anywhere within 100 Km should suffice Username This is provided during the AUTHCODE Request process outlined in se...

Page 31: ...cy RF constellation Simulator simulator that is capable of generating the GNSS signals and output to the RF connector of the receiver under test is usually used to perform tests as described above Ple...

Page 32: ...blish communication with the Stamp Module repeat the same procedure as outlined in sections 3 2 1 and 3 2 2 except leave the 5V pin unconnected Connect the DTR pin on the FTDI board to the WAKE pin on...

Page 33: ...commands Confirm that LED D7 is turned off and that the message Battery charging DISABLED is displayed as shown in the example below 4 3 1 2 Typical measurement results As described in sections 3 4 a...

Page 34: ...ash memory power management IC and RTC etc required in order for the receiver to operate When these components are taken into consideration the aggregated BOM cost and energy budget often exceed the o...

Page 35: ...entification number was emailed to you as part of the authorization process You will need this file to update the firmware If you cannot locate this file the easiest way is to go through the authoriza...

Page 36: ...At the command prompt window type cls to clear the screen At the command prompt window type gpsconsole port loadkey_XX XX XX XX gc do not reset power at this stage At the command prompt window type g...

Page 37: ...D configurations D1 green Active antenna detected and powered D2 green Last position measurement was successful D3 red Last position measurement was unsuccessful D4 green Stamp module is in CONFIG sta...

Page 38: ...eband Technologies Inc Title Stamp size Ultra Low Power GPS Receiver Module User Guide Rev 1 0 Page 38 5 Schematics Download from https www basebandtech com wp content uploads Stamp Module Schematic p...

Page 39: ...Baseband Technologies Inc Title Stamp size Ultra Low Power GPS Receiver Module User Guide Rev 1 0 Page 39 Download from https www basebandtech com wp content uploads Stamp Module Schematic pdf...

Page 40: ...Baseband Technologies Inc Title Stamp size Ultra Low Power GPS Receiver Module User Guide Rev 1 0 Page 40 Download from https www basebandtech com wp content uploads Stamp Module Schematic pdf...

Page 41: ...Baseband Technologies Inc Title Stamp size Ultra Low Power GPS Receiver Module User Guide Rev 1 0 Page 41 Download from https www basebandtech com wp content uploads Stamp Module Schematic pdf...

Reviews: