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KinetaMap User Guide - SparkFun Electronics

1. S a fu I WEBSITE sparkfun com l p m 6175 LONGBOW DRIVE SUITE 200 303 ELECTRONICS BOULDER COLORADO USA 2 80801 KinetaMap User Guide 2009 04 01 Overview KinetaMap is a combination of technologies that allow data logging and transmission of GPS location and accelerometer data Kinesiology is a growing field of research where human movement and motion can be analyzed for various applications KinetaMap has the ability to capture things like pedestrian gait vehicle braking or package handling The logs give you GPS location and the raw acceleration readings it s up to you to decipher what they mean KinetaMap comes with basic firmware that currently supports acceleration and GPS logging Flip the power switch and GPS will be logged once per second and accelerometer readings X Y and Z axis will be logged at up to 100 Hz We designed KinetaMap to be as flexible and hackable as possible It has the LPC2148 USB bootloader built in which allows updates to the firmware easily and quickly over USB KinetaMap contains 1GB of flash that will last for weeks of continuous logging It attaches to a computer over USB and shows up on any operating system as a flash drive Quickly move files onto or off the KinetaMap without having to remove the flash card All log files are comma separated text files for easy parsing with Excel Octave MatLab or your favorite data analysis package KinetaMap includes a Bluetooth modul
2. COLORADO USA 2 80801 KinetaMap User Guide 2009 04 01 configuration menu is to turn the KinetaMap off and then back on again At this point if the config_menu parameter is still enabled the KinetaMap will wait for a bluetooth connection before displaying the configuration menu again Establishing a Bluetooth Connection A bluetooth connection between the KinetaMap and another device is required in order to take advantage of the configuration menu and the ability to wirelessly transmit GPS messages This can be done with any SPP Serial Port Profile enabled bluetooth device To connect to the KinetaMap use your bluetooth enabled device to search for other available bluetooth devices If the KinetaMap is powered on your device should find the KinetaMap Once you ve used your bluetooth enabled device to find the KinetaMap establish a connection to take advantage of the bluetooth features Once a connection has been established the serial flow control settings need to be set like this Baud Rate 115200 Data 8 bit Parity None Stop 1 bit Flow Control None If you are using a computer to connect to the KinetaMap you can use a terminal program like HyperTerm or TerraTerm to view the data on the bluetooth connection Run Time The battery life of the KinetaMap will vary significantly depending on the selected parameters A brief explanation is that with the configuration menu or the send_gps_to_bt parameters
3. card Be careful as this will delete all of the files on the SD card including the configuration file Option 5 Listen to GPS Press 5 to see the GPS messages from the EM 408 module Once this option is selected the NMEA messages will be displayed in the terminal program THEY ARE NOT BEING LOGGED AT THIS POINT This option simply allows you to view the messages in their native form without logging them to the SD card Only the messages that have been enabled in the system parameters will be displayed i e RMC and or GGA If both the RMC and GGA messages have been disabled in the parameters than nothing will be displayed Press any key to stop the messages from being displayed in the terminal and return to the configuration menu Option 6 Check Accelerometer If option 6 is selected the accelerometer values for each axis X Y and Z will start scrolling in the terminal window The accelerometer values are not being logged though To exit and return to the config menu press any key NOTE The frequency of the values showing up in this mode does NOT reflect your accel_ frequency parameter setting Don t worry if the refresh rate seems slow this mode is purely for ensuring proper operation of the accelerometer Option 7 Change settings in the config file Option 7 allows you to change the configuration settings used in the startup sequence Once selected the user will be prompted to configure all of the system parameters See the Conf
4. just enter the name of the file you wish to view and press enter Be careful though the input is case sensitive and if you make a typo you will have to start over because the KinetaMap will not accept backspaces Once you ve entered the file name and pressed enter the terminal will dump the contents of the selected file after all 2009 SparkFun Electronics Inc All Rights Reserved Product features specifications system requirements and availability are subject to change without notice 9 KinetaMap GPS 08275 is a trademark of SparkFun Electronics Inc All other trademarks contained herein are the property of their respective owners A KinetaMap_UG_090401 xX ROHS 3 gt S a fu I WEBSITE sparkfun com l p m 6175 LONGBOW DRIVE SUITE 200 303 ELECTRONICS BOULDER COLORADO USA 2 80801 KinetaMap User Guide 2009 04 01 of the contents have been displayed the terminal program will write end and then the config menu will be brought up again Option 3 Delete File Option 3 allows you to delete a file on the SD card from the config menu After selecting option 3 the user will be prompted for a file name After the file name has been entered press the enter key to delete the file Be careful though the input is case sensitive and if you make a typo you will have to start over because the KinetaMap will not accept backspaces Option 4 Format SD Card Selecting option 4 will format the SD
5. yet The NMEA files follow the same type of system All of the NMEA files are named KinetaMapNMEAXXxX csv where XXX is replaced by an integer between 0 and 255 There are two things you should be aware of when accessing the files The first is that the newest files won t necessarily be the ones with the highest number Let s assume that you ve run the KinetaMap 4 times there would be 8 files on the SD card one pair of files for each time the KinetaMap was run assuming your logging both NMEA and data files The files would be numbered 000 to 003 Now if you delete the 000 files then the next time the KinetaMap is run it will create file 000 again The other thing to be aware of is that the file numbers for the data file and the NMEA file might not match each other If you ve turned the NMEA logging off and created several data files then you turn the NMEA logging back on the file numbers for the NMEA files will be several numbers behind the file numbers for the data files Logging Scheme After finishing the startup procedure the KinetaMap will go into the main logging routine unless the default parameters have been changed to enable the configuration menu If the configuration menu has been enabled the device must receive a command via bluetooth to start logging This will be covered in depth in the Configuration Menu section of this user guide 2009 SparkFun Electronics Inc All Rights Reserved Product features specifica
6. Fix 1Hz Logging Data Valid Blinking GPS Fix GREEN 1Hz Retrieving Data from the Log Files on the SD Card There are two ways to access the logged data which resides on the SD card The easiest way to retrieve the data is to plug a USB cable into the KinetaMap with the power on from a computer Doing this will create a Mass Storage Device drive on the computer The files on the SD card will appear in this drive These files can just be copied onto your hard drive or viewed directly from the SD card You can also modify the configuration file config txt from here 2009 SparkFun Electronics Inc All Rights Reserved Product features specifications system requirements and availability are subject to change without notice 5 KinetaMap GPS 08275 is a trademark of SparkFun Electronics Inc All other trademarks contained herein are the property of their respective owners A KinetaMap_UG_090401 xX ROHS 3 gt S a fu I WEBSITE sparkfun com l p m 6175 LONGBOW DRIVE SUITE 200 303 ELECTRONICS BOULDER COLORADO USA 2 80801 KinetaMap User Guide 2009 04 01 You can also view the contents of the SD card from the configuration menu This method will be covered in detail in the Configuration Menu section of this user guide If you ve let the KinetaMap run a few times with the default firmware and default parameters then two types of file should be on the SD card a data file KinetaMapXXX csv an
7. active the current consumption is roughly 140mA With the 1100mAh battery the battery will be dead after about 7 5 hours If the config menu and the bluetooth functions are turned off then the bluetooth module is left off in this case the current draw drops to 110mA which increases the battery life to about 10 hours It is possible to turn the bluetooth module off and put the LPC2148 into sleep mode using custom firmware in this scenario the current draw can be brought down to as low as 4mA The default firmware does not utilize the sleep functionality of the ARM but fortunately the KinetaMap comes with the USB bootloader and so the user can create their own firmware By using the Real Time Clock on the board and utilizing some clever logging algorithms the battery could last for days without being recharged Charging The KinetaMap uses a 1100mAh LiPo battery When plugged into a voltage source 3 7V to 7 0V the battery will charge at a maximum of 280mA While the unit is charging the Status LED will turn RED The LED will go off once the charge is completed The charging characteristic curve of a LiPo battery is such that it slowly tapers off over time and so the charge time can be longer than one might expect as the battery slowly tops up But for the most part the battery is essentially charged after about 4 hours whether the indicator LED goes off or not Creating Custom Firmware In typical SparkFun fashion the KinetaMap has been d
8. andwidth of the LIS302 accelerometer NOTE Testing was performed using a 20 Hz read frequency Setting the frequency to higher values should work but may cause adverse affects to the data file logging The Configuration Menu The configuration menu allows the user to manage the SD card perform function checks on the accelerometer and gps module and edit the system parameters over a bluetooth connection using the serial port protocol Instructions on how to connect to the device over bluetooth are provided in the Connecting over Bluetooth section of this user guide By default the config_menu parameter in the configuration file is disabled In order to enable configuration menu you must edit the config txt file by plugging in a USB cable to the KinetaMap with the power turned on Then edit the config txt file to enable the config_menu parameter More information on editing the configuration file can be found in the Configuration File section of this user guide 2009 SparkFun Electronics Inc All Rights Reserved Product features specifications system requirements and availability are subject to change without notice 8 KinetaMap GPS 08275 is a trademark of SparkFun Electronics Inc All other trademarks contained herein are the property of their respective owners A KinetaMap_UG_090401 xX ROHS 3 gt S a fu I WEBSITE sparkfun com l 6175 LONGBOW DRIVE SUITE 200 303 p LECTRONICS BOULDER COLORADO USA 2 80801 Ki
9. antly improve the battery life of the KinetaMap log_batt parameter Default 1 The log_batt parameter tells the KinetaMap if it should log the battery voltage value or not By default the log_batt parameter is enabled If the parameter is changed to 0 the KinetaMap will not save the battery voltage values to the SD card log_nmea parameter Default 1 The log_nmea parameter tells the KinetaMap if a NMEA file should be created in the current session If this parameter is enabled a NMEA file will be created and the NMEA GPS messages from the EM 408 module will be saved directly to this file If the parameter is disabled a NMEA file will not be created for the session enable_waas parameter Default 1 This parameter will enable or disable the WAAS function on the EM 408 GPS module full_scale_accel parameter Default 0 The full_scale_accel parameter sets the range of the LIS302 accelerometer If the parameter is set to 0 the range will be set to 2G mode if the parameter is set to 1 the range will be set to 8G mode enable_rmc parameter Default 0 This parameter enables or disables RMC messages from the GPS module enable_gga parameter Default 1 This parameter enables or disables GGA messages from the GPS module accel_frequency Hz parameter Default 10 The accel_ frequency parameter sets the frequency that acceleration and battery values are read This parameter must be an integer between 1 and 100 100 Hz is the maximum b
10. ation parameters Just save your changes on the SD card and don t alter the file name The edited parameters will be loaded the next time you turn the KinetaMap on Don t worry about corrupting the configuration file a corrupted config file will be detected by the firmware and handled Power up Sequence Turn the KinetaMap on by flipping the rocker switch to the position Once the device is powered it will go through the startup sequence First the KinetaMap will load the configuration settings from the config file config txt which is located on the SD card The firmware checks to see if the config file exists If the file is not on the card then a config file with default parameters is loaded If the firmware finds the config file then the file is read and the parameters are loaded However if the firmware reads the config file and detects that invalid settings have been saved or if the file is not in the correct firmware than the existing config file is deleted and a new one with default parameters is created While the KinetaMap is loading the parameters the tri color LED on the front of the KinetaMap will be solid GREEN More information on the config file and it s parameters will be discussed in the Configuration File section of this user guide After the parameters are loaded on the KinetaMap the initialization process takes place The initialization process largely depends on the loaded parameters If gos logging or communication is ena
11. bled than the GPS module is initialized with the proper parameters if neither of these options are selected then the GPS module is left off The Bluetooth module is only turned on and initialized if the config_menu setting or the send_gps_to_bt parameters are enabled The accelerometer is initialized to the selected range and then the firmware configures the internal timer for readings based on the accel_frequency parameter The Real Time Clock used to timestamp each log is initialized to 00 00 00 Once a valid GPS reading has been logged the RTC is updated to the current time indicated in the GPS message the time is only updated to GPS time if a GPS function is enabled though While the KinetaMap is initializing the peripherals the tri color LED on the front of the KinetaMap will be solid Blue Note More information on the parameters and how they affect the initialization can be found in the Configuration File section of this user guide 2009 SparkFun Electronics Inc All Rights Reserved Product features specifications system requirements and availability are subject to change without notice 3 KinetaMap GPS 08275 is a trademark of SparkFun Electronics Inc All other trademarks contained herein are the property of their respective owners A KinetaMap_UG_090401 xX ROHS 3 S a fu I WEBSITE sparkfun com l p m 6175 LONGBOW DRIVE SUITE 200 303 ELECTRONICS BOULDER COLORADO USA 2 80801 KinetaMap User Gu
12. d a NMEA file KinetaMapNMEAXXxX csv There will be one pair of files for each KinetaMap session A CSV file is a Comma Separated Variable file These files can be opened in any text editor but are specially created for easy use with spreadsheet programs like Excel and Open Office Calc The data file created by KinetaMap will always have the following format regardless of what parameters are enabled or disabled UTC XY Z Batt Fix Lat Lat Dir Long Long Dir Altitude Type o 2 O 16 5014 O 1 OF 17 5014 1 2 OF 16 5014 1 2 0 16 5020 170937 44 1 4003 9 N 10512 6 W 1485 GGA 170937 2 O 16 5020 170937 2 O 16 5014 Each log consists of one row of data if there are no values to be logged for a specific field that field is left blank in the log The UTC field is the timestamp The timestamp is initially set to 00 00 00 HH MM SS however if GPS functions are enabled this value is updated to the current time once a valid GPS message is received If GPS functions are not enabled the UTC will measure the duration of the KinetaMap session The X Y and Z acceleration fields are the acceleration values retrieved from the LIS302 triple axis accelerometer The acceleration values can fall anywhere in the range of 127 to 127 depending on the current acceleration The LIS302 accelerometer has two modes 2G mode and 8G mode To find the G force of the acc
13. e that supports SPP serial port profile This allows a computer to wirelessly connect to and download the log files With a range of 100m a computer is capable of querying a KinetaMap located within a vehicle outside A computer may also wirelessly modify the configuration and settings internally saved within KinetaMap KinetaMap has also been tested with Bluetooth and Google Maps enabled phones KinetaMap allows precise location and map directions on your phone Specifications e Dimensions 3 7x2 5x1 1 28x63x94mm e Weight 3 60z 103g e Battery 3 7V 1100mAH LiPo Battery e Current Draw 140mA Bluetooth Active 110mA Bluetooth Inactive 4mA Sleep Mode 2009 SparkFun Electronics Inc All Rights Reserved Product features specifications system requirements and availability are subject to change without notice 1 KinetaMap GPS 08275 is a trademark of SparkFun Electronics Inc All other trademarks contained herein are the property of their respective owners A KinetaMap_UG_090401 xX ROHS 3 gt S a fu I WEBSITE sparkfun com l p Ua 6175 LONGBOW DRIVE SUITE 200 303 ELECTRONICS BOULDER COLORADO USA 2 F 80301 KinetaMap User Guide 2009 04 01 e Run Time 7 5 hours Continuous Run Time with Bluetooth 10 hours Continuous Run with no Bluetooth e Charge Voltage 3 7V to 7 0V 5V Recommended Features e LPC2148 e SparkFun USB Bootloader e RN41 Bluetooth Module e EM 408 GPS Mod
14. elerometer the values in these fields must be scaled with respect to the selected mode Instructions on how to scale these values can be found in the data sheet of the LIS302 The Batt Volt field represents the current battery voltage This reading is represented in mV The battery voltage is read every time the accelerometer is queried The next 6 fields are for GPS data and the names should explain their function GPS data is only logged when a new message is received if there is no new data than the fields are left blank Also the altitude is only logged if GGA messages are enabled Altitude will not be logged when an RMC message is received The last field in the data file is the Type field the Type field indicates if the GPS message received was a GGA message or an RMC message The NMEA file is much simpler The only data saved to the NMEA file are the GPS messages While the data file contains all of the relevant data it is not easy to use the position data in it s format If you want to find a path you must use a scripting program to parse out the GPS data in order to make it meaningful To make it easier to use the GPS data the KinetaMap has the option of logging data to a NMEA file The file contains only the GPS data received from the GPS module This file can be directly imported to websites like GPSVisualizer http Awww gpsvisualizer com to view position data The Configuration File The configuration file is used during the power
15. esigned with the hacker in mind The KinetaMap ships with the SparkFun USB ARM Bootloader preloaded This means that the board can be re programmed simply be loading a firmware file onto the SD card 2009 SparkFun Electronics Inc All Rights Reserved Product features specifications system requirements and availability are subject to change without notice 11 KinetaMap GPS 08275 is a trademark of SparkFun Electronics Inc All other trademarks contained herein are the property of their respective owners A KinetaMap_UG_090401 xX ROHS 3 gt S a fu I WEBSITE sparkfun com l ug 6175 LONGBOW DRIVE SUITE 200 303 E RONICS BOULDER COLORADO USA LZ 80301 KinetaMap User Guide 2009 04 01 For more information on using the the LPC2148 USB Bootloader it would be helpful to read the USB Bootloader tutorial on SparkFun s website or just follow this URL htto Awww sparkfun com commerce tutorial_info php tutorials_id 94 By modifying the firmware on the KinetaMap or by starting from scratch you can do some pretty cool things with this board For example by putting the KinetaMap to sleep between sensor readings you can save a ton of power and extend the battery life You can also increase or decrease the sample rate of the accelerometer reading or change the type of GPS messages to log or change the data that gets sent through the bluetooth connection There are tons of possibilities get creative and start cod
16. ide 2009 04 01 Parameter Name Default Value config_menu 0 Off log_gps 1 On log_accel 1 On send_gps_to_ bt O Off log_batt 1 On log_nmea 1 On enable_waas 1 On full_scale_accel O Off enable_rmc 0 Off enable_gga 1 On accel_frequency 10 Hz After the peripherals are initialized the device is almost ready to start it s main routine Before it can begin though it needs to create files to log too if logging is enabled There are two files that are created in the default settings the data file and the NMEA file If any type of logging is enabled than a data file is created The data file consists of the time the acceleration values the battery voltage and some basic GPS information Also if NMEA logging is enabled an NMEA file is created The NMEA file saves the unaltered GPS messages from the EM408 module All of the data logged by the KinetaMap will be logged to these two files The KinetaMap will create a new set of files each time the device is turned on The names of the created files follow a specific format The data files are all named KinetaMapXXX csv where XXX is replaced by an integer between 0 and 255 When the KinetaMap creates a file it will start with the name KinetaMap000 csv If this file already exists then the KinetaMap will increment the number following KinetaMap It will do this until if finds a filename that doesn t exist
17. ify custom code to load onto the KinetaMap we ve also created a new and robust default firmware version that should be able to meet the needs of many applications This section of the User Guide will describe the new firmware version 1 2 and give an overview of the flow of the firmware Quick Start If you don t really care how the firmware works and you just want to get going well this section is for you To get the device working out of the box all you need to do is flip the switch to ON By default all of the bluetooth functions are disabled The device will begin logging to two files a data file which contains the accelerometer readings battery voltage readings and GGA GPS data and a NMEA data which logs the unedited GGA GPS messages The accelerometer and battery readings will be logged at 10Hz and the GPS messages will be logged no faster than 1 Hz Invalid GPS messages will not be logged The accelerometer will be set to 2G mode WAAS will be enabled on the GPS module Data will be logged to each file until either the device is turned off the device runs out of battery power or a USB cable is plugged in from a computer To retrieve the data files from the device plug a USB cable into the device from a computer with the power to the KinetaMap turned on This will open a Mass Storage Device The log files are located on this drive and can be downloaded to your hard drive You may also open the config txt file to edit the configur
18. iguration File section of this user guide for details about the configuration settings and the configuration file Be careful when selecting the options If you disable the config menu then you will have to manually modify the config file to get the menu to show up again Also if the configuration menu is disabled at this point the device will exit the menu and start logging immediately after all of the parameters are entered The device will not return to the configuration menu Option 9 Exit menu and start logging Pressing 9 will exit the configuration menu and start logging the active parameters By default the KinetaMap will log the GPS coordinates the accelerometer values and the battery level These parameters can be turned on or off in the configuration file Once you have exited the configuration menu the KinetaMap will continue logging until power is no longer provided either the power is turned off or the battery dies or a USB cable is plugged in The only way to get back to the 2009 SparkFun Electronics Inc All Rights Reserved Product features specifications system requirements and availability are subject to change without notice 10 KinetaMap GPS 08275 is a trademark of SparkFun Electronics Inc All other trademarks contained herein are the property of their respective owners A KinetaMap_UG_090401 xX ROHS 3 gt S a fu I WEBSITE sparkfun com l p m 6175 LONGBOW DRIVE SUITE 200 303 ELECTRONICS BOULDER
19. ill be more accelerometer readings than GPS messages This will be reflected in the log file by blank spots in the log Each log in the data file consists of a timestamp the accelerometer readings the battery voltage and the GPS data GPS data will only be received when valid GPS messages are received from the GPS module If there is not valid fix or if the message was corrupted the GPS data will not be logged If one of these fields has been disabled in the configuration file or if there is no new data for the field the field will be blank for the given log Every time data is saved to the data file the tri color LED will blink the LED will blink Blue if data has been saved but there wasn t any valid GPS data saved If valid GPS data is saved the LED will blink Green The LED should blink at roughly 1 Hz All of the data in the logging sequence is saved to the data file and the NMEA file as long as the parameters are enabled properly Only one set of files is used for the entire session A session is only ended if power is no longer provided to the KinetaMap or if a USB cable is plugged into the device from a powered port LED Behavior Below is a table which explains the behavior of the tri color LED on the KinetaMap while using the default firmware Function LED Status Charging RED Loading System Parameters GREEN Initialization Waiting for BLUE Bluetooth Connection Logging Data No Blinking BLUE Valid GPS
20. ing We also broke out several pins for your own purposes Pins P0 12 P0 13 P0 15 P0 17 P0 18 and P0 19 are available on the KinetaMap PCB to allow you to expand the hardware You can add an SPI peripheral device a sensor with an analog output or even an RS232 device You ll just have to bit bang a serial port on the pin By providing you with these extra pins and a simple way to reprogram the KinetaMap this should be a great board to hack 2009 SparkFun Electronics Inc All Rights Reserved Product features specifications system requirements and availability are subject to change without notice 12 KinetaMap GPS 08275 is a trademark of SparkFun Electronics Inc All other trademarks contained herein are the property of their respective owners A KinetaMap_UG_090401 xX ROHS 3
21. netaMap User Guide 2009 04 01 If the configuration menu has been enabled in the configuration file the device will not start logging data until a special command is received over a bluetooth connection In fact the device will not do anything other than look for a bluetooth connection once it is powered on Once the KinetaMap has established an SPP Bluetooth connection with another device the KinetaMap will send a configuration menu to the device Tera Term Web 3 1 YT File Edit Setup Web Control Window Help KinetaMap Config Menu FW Version 1 2 SparkFun Electronics Read directory Read file Delete file Format SD card Listen to GPS press any key to stop Check Accelerometer press any key to stop Change settings in the config file Exit menu and start logging ee ee ee ee ee 1 2 3 4 5 6 9 WAAS Enabled 1 Accel Range 1 RHC Messages 1 GGA Messages 1 Accelerometer Frequency 10 Option 1 Read Directory By pressing 1 from the Config Menu the file names located in the Root directory of the SD card will be displayed If you ve used the KinetaMap to log several sessions this is where the log files will be displayed However reading the directory will show all files on the SD card regardless of if they are log files or not Option 2 Read File If you want to see the contents of a specific file then use option 2 If option 2 is selected the user will be prompted for a file name to read
22. the GPS coordinates to the SD card log_accel parameter Default 1 The log_accel parameter tells the KinetaMap if it should log the acceleration values or not By default the log_accel parameter is enabled If the parameter is changed to 0 the KinetaMap will not save the acceleration values to the SD card send_gps_to_bt parameter Default 0 The send_gps_to_bt parameter tells the KinetaMap that it should send the NMEA messages received from the EM 408 module to the bluetooth module This means that if an SPP bluetooth connection has been established 2009 SparkFun Electronics Inc All Rights Reserved Product features specifications system requirements and availability are subject to change without notice 7 KinetaMap GPS 08275 is a trademark of SparkFun Electronics Inc All other trademarks contained herein are the property of their respective owners A KinetaMap_UG_090401 xX ROHS 3 gt S a fu I WEBSITE sparkfun com l p m 6175 LONGBOW DRIVE SUITE 200 303 ELECTRONICS BOULDER COLORADO USA 2 80801 KinetaMap User Guide 2009 04 01 between another device and the KinetaMap the GPS messages will be sent to the connected device i e blackberry If the config menu is also enabled then the GPS messages will only be transmitted once the config menu has been exited If the config_menu and send_gps_to_bt parameters are both disabled the bluetooth module will be turned off This will signific
23. tion is disabled Don t forget you can also change the parameters from the Config Menu However if you want to enable the config menu you must first do this by directly editing the config file on the SD card As a side note if the configuration file has somehow been corrupted don t worry about it The firmware will detect a corrupted configuration file delete it and create a new one with default parameters Also if you want to revert to the default parameters just delete the configuration file and turn the KinetaMap on without a configuration file on the SD card a new one will automatically be created config_menu parameter Default 0 The config_menu parameter enables disables the configuration menu If the configuration menu is enabled the KinetaMap will not begin logging until a command is received from the bluetooth connection so be careful enabling this parameter The configuration menu will allow you to manipulate the SD card edit the system parameters and perform function checks on the GPS module and LIS302 accelerometer over a bluetooth connection If the config_menu and send_gps_to_bt parameters are both disabled the bluetooth module will be turned off This will significantly improve the battery life of the KinetaMap log_gps parameter Default 1 The log_gps parameter tells the KinetaMap if it should log GPS data or not By default the log_gps parameter is enabled If the parameter is changed to 0 the KinetaMap will not save
24. tions system requirements and availability are subject to change without notice 4 KinetaMap GPS 08275 is a trademark of SparkFun Electronics Inc All other trademarks contained herein are the property of their respective owners A KinetaMap_UG_090401 xX ROHS 3 gt S a fu I WEBSITE sparkfun com l p m 6175 LONGBOW DRIVE SUITE 200 303 ELECTRONICS BOULDER COLORADO USA 2 80801 KinetaMap User Guide 2009 04 01 The main logging routine will continue running until either the KinetaMap is turned off the battery dies or a USB cable is plugged into the device from a computer or any powered port The logging routine is drastically affected by the system parameters however it should be relatively easy to understand how the system parameters affect the logging scheme The routine will be continually checking for incoming messages from the GPS module The GPS module will be sending either or both GGA and RMC messages depending on the enable_gga and enable_rmc parameters GPS messages are received at 1 Hz intervals By default only the GGA messages are enabled The GPS messages are loaded into two places the coordinates along with the altitude if it s a GGA message are saved to the data file The entire message is saved directly to the NMEA file The routine will also read the accelerometer and battery voltage at the rate defined in the accel_frequency parameter If the frequency is greater than 1 Hz there w
25. ule e LIS302 Triple Axis Accelerometer e 1100 mAH LiPo Battery e Tri Color Status LED e Charging over USB e USB Mass Storage Layout KinetaMap Bt 88 SparkFun Electronics Inc All Rights Reserved There are only 3 main features available on the exterior of the KinetaMap The tri color LED is used to indicate the status of the KinetaMap The default LED statuses are explained later in this User Guide The rocker switch is used to turn power on and off The indicates the ON position while the O is OFF Finally on 2009 SparkFun Electronics Inc All Rights Reserved Product features specifications system requirements and availability are subject to change without notice 2 KinetaMap GPS 08275 is a trademark of SparkFun Electronics Inc All other trademarks contained herein are the property of their respective owners A KinetaMap_UG_090401 xX ROHS 3 gt S a fu I WEBSITE sparkfun com l p m 6175 LONGBOW DRIVE SUITE 200 303 ELECTRONICS BOULDER COLORADO USA 2 80801 KinetaMap User Guide 2009 04 01 the side of the device is the miniUSB connector Plugging a USB cable into a powered KinetaMap from a computer will open a Mass Storage Device The Mass Storage Device allows access to the log files and configuration file as well as provides the ability to load custom firmware Using the KinetaMap Default Firmware While SparkFun encourages it s customers to create and mod
26. up sequence to load the system parameters for the KinetaMap To 2009 SparkFun Electronics Inc All Rights Reserved Product features specifications system requirements and availability are subject to change without notice 6 KinetaMap GPS 08275 is a trademark of SparkFun Electronics Inc All other trademarks contained herein are the property of their respective owners A KinetaMap_UG_090401 xX ROHS 3 gt S a fu I WEBSITE sparkfun com l ug 6175 LONGBOW DRIVE SUITE 200 303 E RONICS BOULDER COLORADO USA LZ 80301 KinetaMap User Guide 2009 04 01 access the configuration file plug a USB cable from a computer into the KinetaMap and turn the KinetaMap on When the Mass Storage Device drive opens on the computer you will see the configuration file in the drive The configuration file is named kineta_config txt and if you open the file in a text editor you will see eleven parameters You can also view the file from the config menu config_menu 0 log_gps 1 log_accel 1 send_gps_to_bt 0 log_batt 1 log_nmea 1 enable_waas 1 full_scale_accel 0 enable_rmc 0 enable_gga 1 accel_frequency hz 10 The parameters in the configuration file must be kept in this order with a carriage return separating each parameter All of the parameters except the accel_frequency parameter only have two options 1 or 0 If the parameter is set to 1 than the function is enabled if the parameter is set to 0 than the func

KinetaMap User Guide - SparkFun Electronics

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