User Manual - Texas Christian University
Contents
1. Recalibrate Technician Mode This button will start FrogStar s Technician Mode This should be used solely by FrogStar technicians and is only available if the system isn t enabled Vehicle Name hi ABC123 Swipe NFC Tag Change Vehicle Edit User Profile Technician Mode 4 5 Emergency Notification This notification will appear if an accident is detected while the application is in the Home Screen menu 1 Notify This option confirms that the user has had an accident and is in need of medical assistance The application will automatically alert emergency services as well as the user s configured emergency contact I m Alright When pressed the application will go back to the main function of the Home Screen and not alert the authorities This means there has been no accident 00 27 or only a minor accident where the authorities are not needed 1 NOTIFY 2 I M ALRIGHT 2013 2014 Computer Science Department Texas Christian University All Rights Reserved User Manual Version 2 0 4 6 Vehicle Database This is where all the vehicle information is stored There may be as many vehicles stored in the database as the user chooses The following screenshot indicates that there are two test vehicles stored in the database To edit or remove any vehicle currently residing in the database long press and choose the desired action Note It is not possible to delete the last vehicle in the database since t2. amp Solutions Explains errors and solutions for these errors Section 6 Definition of Terms Defines technical and project specific terms used in this document 2013 2014 Computer Science Department Texas Christian University All Rights Reserved User Manual Version 2 0 2 System Overview FrogStar is a proof of concept car safety system designed to detect car accidents and alert the proper authorities if in the event of an accident There are three major components to the system that are needed in order for FrogStar to function the smartphone application on board control unit OBCU and the TI SensorTags 2 1 Smartphone Application The smartphone application allows a user or technician to interact with the system The application is designed for Android smartphones The user will be prompted to enter his personal and vehicle information when the application is started for the first time In the event that a confirmed accident a prompt will appear for the user to request or deny an emergency response After 30 seconds if there is no response from the user the smartphone will send out a call to the proper authorities and to the emergency contact listed The smartphone application is the only way a user may interact with the FrogStar system 2 2 On Board Control Unit The on board control unit OBCU takes care of most of the SensorTag management for the system The OBCU will have to be installed in such a way th
3. EVISION HISTORY REVISION SIGN OFF TABLE OF CONTENTS 1 INTRODUCTION 1 1 PURPOSE 1 2 SECTION OVERVIEW 2 SYSTEM OVERVIEW 2 1 SMARTPHONE APPLICATION 2 2 ON BOARD CONTROL UNIT 2 3 TI SENSORTAGS 2 4 ENVIRONMENT 3 INSTALLATION amp SETUP 3 1 APPLICATION 3 2 ON BOARD CONTROL UNIT SETUP 3 3 SENSORTAG PLACEMENT AND SETUP 4 SYSTEM WALKTHROUGH 4 1 USER PROFILE MENU 4 2 VEHICLE PROFILE MENU 4 3 HOME SCREEN MENU 4 4 HOME SCREEN MENU 4 5 EMERGENCY NOTIFICATION 4 6 VEHICLE DATABASE 4 7 TECHNICIAN MODE HOME 4 8 TECHNICIAN MODE REAL TIME SENSORS 4 9 TECHNICIAN MODE VIEW ACCIDENT DATA 5 ERRORS amp SOLUTIONS 5 1 SYSTEM STARTUP ERRORS 5 2 RUNTIME ERRORS 5 3 TECHNICIAN MODE NFC TAG ERRORS 6 GLOSSARY OF TERMS 2013 2014 Computer Science Department Texas Christian University All Rights Reserved User Manual Version 2 0 1 Introduction 1 1 Purpose This document provides a complete explanation of how the user will interact with FrogStar Included are instructions on how to begin using the FrogStar system and explanations of the components required for the system to operate correctly 1 2 Section Overview Section 2 System Overview Gives a brief description of the entire system Section 3 Installation amp Setup Explains installation and usage of FrogStar Section 4 System Walkthrough Step by step instructions on how to use FrogStar Section 5 Errors
4. SensorTag A small Bluetooth capable device offered by Texas Instruments that houses various sensors including an accelerometer and a gyroscope 2013 2014 Computer Science Department Texas Christian University All Rights Reserved
5. User Manual Computer Science Department Texas Christian University Date April 23 2014 Authors Stockton Ackermann Nicholas Capurso Eric Elsken Myrella Garcia Casey Stephens and David Woodworth 2013 2014 Computer Science Department Texas Christian University All Rights Reserved User Manual Version 2 0 Revision History The following is a history of document revisions Version Changes Edited 1 0 Initial Draft 3 18 2014 2 0 Made wording changes 4 23 2014 reformatted pictures filled empty sections on OBCU smartphone added glossary and SensorTags added captions to images 2013 2014 Computer Science Department Texas Christian University All Rights Reserved User Manual Version 2 0 Revision Sign off By signing the following the team member asserts that he or she has read the entire document and has to the best of knowledge found the information contained herein to be accurate relevant and free of typographical error Name Signature Date Stockton Ackermann s ackermann tcu edu Nicholas Capurso nick capurso tcu edu Eric Elsken eric elsken tcu edu Myrella Garcia m garciaurena tcu edu Casey Stephens casey stephens tcu edu David Woodworth d woodworth tcu edu 2013 2014 Computer Science Department Texas Christian University All Rights Reserved User Manual Version 2 0 Table of Contents R
6. at it can receive power from the vehicle A technician will program the OBCU in order to connect the TI SensorTags see Developer Manual section 3 2 The OBCU allows the system to offload querying of the sensors from the Android smartphone to extend its battery life 2 3 TI SensorTags The TI CC2541 SensorTags will need to be placed securely onto the vehicle Additionally the SensorTags must be placed in a location where they are unlikely to be damaged The system requires four SensorTags in case one becomes damaged or stops operating correctly 2 4 Environment The application must run on an Android smartphone The OBCU must contain a Linux distribution that can support the five Bluetooth LE adapters required by the system The system has been tested using Raspbian Linux See Developer Manual section 3 for the development setup for the smartphone and OBCU 2013 2014 Computer Science Department Texas Christian University All Rights Reserved User Manual Version 2 0 3 Installation amp Setup 3 1 Application In order for the application to be installed the user must have an Android smartphone with a minimum version of 4 1 Jelly Bean Bluetooth capability and NFC capability Please refer to Developer Manual section 3 1 to install and run the application on a smartphone 3 2 On Board Control Unit Setup The on board control unit OBCU and its accompanying USB hub and Bluetooth adapters can be secured in any locat
7. dent Data This will show when the technician clicks on the View Accident Data button Similar to the real time graphs the X Y and Z axes of the Accelerometer accelerometer or gyroscope are displayed Saved sensor readings from the last accident are read and graphed accordingly The technician may switch between viewing accelerometer and gyroscope readings and is shown a loading dialog while the values are being graphed 2013 2014 Computer Science Department Texas Christian University All Rights Reserved User Manual Version 2 0 5 Errors amp Solutions This section describes various errors that may be encountered during normal operation and potential solutions to these errors 5 1 System Startup Errors Error Error reading from NFC tag Solution Try swiping the NFC tag again If the problem persists please contact a FrogStar technician to have a new NFC tag made see Developer Manual section 4 4 1 Error Error preparing to connect to On Board Control Unit Solution Try turning Bluetooth functionality off and then on again Then try swiping the NFC tag again to attempt a fresh connection Error Error establishing a connection to On Board Control Unit Solution Try turning Bluetooth functionality off and then on again Optionally restart the On Board Control Unit Then try swiping the NFC tag again to attempt a fresh connection If this error persists contact a FrogStar technicia
8. e and how they work 4 1 User Profile Menu When the application FrogStar is opened for the first time or if the user chooses it from the home screen menu this user profile will show up on the smartphone screen 1 Full Name Enter full name information The input must be alphabetic and can include 1 Full Name Birth Date Enter birth date information Address Enter home address information The input must be alphanumeric and can include H Address E Mail Enter e mailing information The input must be alphanumeric and include an at sign and a period E Mail uu 2 Birth Date Emergency Contact Emergency Contact Information Chose an emergency Information contact from contact list in case of an accident Submit Submit Saves all information within application 2013 2014 Computer Science Department Texas Christian University All Rights Reserved User Manual Version 2 0 4 2 Vehicle Profile Menu On first run after all the user information has been entered and submitted the application will request that the vehicle information now be entered Subsequently the user may reach this interface to edit user information by selecting Edit User Profile from the home screen menu 1 Make Enter the make of the vehicle that will be driven Input must be alphanumeric and can include 1 Mal u u Model Enter the model of the vehicle that will be driven Mu
9. em is connected to the OBCU and working the Vehicle Name hi ABC123 time the system has been running This will be the main screen of the application once the technician Swipe NFC Tag and user have gotten everything installed and functioning correctly User Name Nick Capurso To shut the system down once it has been started simply swipe the smartphone over the NFC tag again 2013 2014 Computer Science Department Texas Christian University All Rights Reserved User Manual Version 2 0 4 4 Home Screen Menu The menu function of the FrogStar application provides navigation for the various functions available Below is an enumeration of the different menu functions available from the home screen m 1 Edit Vehicles If selected this will take the user to the database menu A vehicle in the database may be selected if the user chooses to edit the vehicle for example if there is a license plate change IE REG TCR Change Vehicles If selected this will take the user to the database menu If a different vehicle is selected User Name Nick Capurso then the choice is reflected on the home screen Edit User Profile This button will take the user back to his user information that has already been entered From there the user may change anyinformation that 1 Edit Vehicles he chooses Recalibrate Prompts the user to place their phone on a flat surface so that the smartphone s sensors can be calibrated correctly
10. here must always be at least 1 Test Name TestPlate1 one vehicle 2 TestNameTwo TestPlate2 1 Add Vehicle When the Menu button is pressed on the Android smartphone the Add Vehicle selection will show Once that selection is chosen by the user it will take them back to the vehicle profile screen of the application This is where the user may enter another vehicle After the user is done adding all the necessary information the new vehicle will be added to the database 1 Add Vehicle 2013 2014 Computer Science Department Texas Christian University All Rights Reserved User Manual Version 2 0 4 7 Technician Mode Home If the Technician Mode selection has been pressed this will start technician mode On the screen a technician may read and edit the contents of a FrogStar formatted NFC tag or write MAC addresses to a blank tag The first four text fields are for the MAC addresses of each SensorTag and the last one is the MAC address of the adapter to connect to for the OBCU s Bluetooth Server see Section 3 4 in the Developer s Manual for obtaining these ae i e TechnicianModeActivity i 1 View Real time Sensors This button leads to a Sensortag MACS graphical view of the accelerometer and gyroscope readings that are displayed in real time Open Accident Data This button shows the sensor AC Address 3 data that has been stored from an accident and can AC Address 4 be u
11. ion inside the vehicle so long as the Bluetooth adapters are within range of the phone and the four SensorTags and can be powered from the vehicle It is also recommended that the PI be placed in a location where it is unlikely to be damaged or destroyed by an impact Please refer to Developer Manual section 3 2 on how to setup and install necessary software on the OBCU 3 3 SensorTag Placement and Setup The four TI SensorTags may be placed anywhere inside the vehicle where they are within Bluetooth LE range of the OBCU s attached Bluetooth adapters Due to the SensorTags small size a typical vehicle should provide an ample number of potential locations However for best results it is recommended that the tags be placed in locations that are diversely and evenly distributed throughout the vehicle so as to approximately cover the motion of the four corners of the vehicle Placing the SensorTags outside or too near the sides of the vehicle is not recommended as this could increase the probability of SensorTag damage SensorTags should also be secured against excessive vibration in order to prevent detection of false positives resulting from SensorTag movements occurring independently of the vehicle on which they are mounted 2013 2014 Computer Science Department Texas Christian University All Rights Reserved User Manual Version 2 0 4 System Walkthrough This section will show what each screen of the application looks lik
12. n it is possible that a Bluetooth adapter or SensorTag may need to be replaced Error Error establishing I O to On Board Control Unit Solution Try turning Bluetooth functionality off and the on again Then try swiping the NFC tag again to attempt a fresh connection 5 2 Runtime Errors Error Error connecting to SensorTag MAC Solution If this error is persistent on a specific tag please contact a FrogStar technician to have the tag replaced Error Lost connection with SensorTag X MAC Solution This error may be the result of interference with other devices or it may be the result of damage to a SensorTag in which case it will need to be replaced If a SensorTag disconnects while the system is operating the remaining online SensorTags can still be used to detect accident Error Error reading sensors from SensorTag MAC Solution If the error is persistent on a specific tag please contact a FrogStar technician to have the tag replaced Error All SensorTags offline FATAL ERROR Solution All SensorTags must be replaced if they are damaged as a result of a crash 2013 2014 Computer Science Department Texas Christian University All Rights Reserved User Manual Version 2 0 Error Error writing to SensorTags MAC Solution If the error is persistent on a specific tag please contact a FrogStar technician to have the tag replaced 5 3 Technician Mode NFC Tag Errors Error Failed to read fr
13. om tag Solution Make sure the tag does not leave NFC range from the phone so data can be read correctly Otherwise consider that the tag may be damaged Error There is not enough space on this tag for the required data Solution This tag doesn t have enough storage space to hold all data required by FrogStar Try preparing a different NFC tag for system startup and shutdown Error This tag is read only Solution This tag cannot have data written to it Try a different NFC tag Error Failed to write to tag Solution Attempt to rewrite data to the NFC tag while taking care to ensure the tag does not leave NFC range until the operation is completed 2013 2014 Computer Science Department Texas Christian University All Rights Reserved User Manual Version 2 0 6 Glossary of Terms Android An open source operating system developed for mobile devices by Google Accelerometer An instrument for measuring acceleration or the rate at which speed changes Bluetooth A short ranged peer to peer wireless communication protocol Bluetooth LE refers to a low energy Bluetooth standard Gyroscope An instrument for measuring the rate at which orientation changes NFC Near field communication A set of standards that allow devices to communicate in very close proximity OBCU On Board Control Unit the hardware device with the responsibility of detecting accidents from readings from the SensorTags
14. sed as an aide in ascertaining the severity of the Bluetooth MAC Address accident 3luetooth MAC Address AAC Address 1 AAC Address 2 View Real Time Sensors View Accident File 4 8 Technician Mode Real time Sensors This will show when the technician clicks on the View Real time Sensors button 7 View Sensor Graphs Accelerometer 4 Clear Start Thres This is the view of the X Y and Z axes of the accelerometer or gyroscope The technician can start running the graphs by hitting the Start button During this time accelerometer and gyroscope readings that exceed the configured thresholds will trigger dialogs indicating which of two sensors exceeded the threshold This provides a means of testing phone accident detection by itself without the OBCU sensors Additionally the user technician can clear the data by hitting the Clear button at the top Only technicians should alter the crash detection thresholds for the application These values will be configured at installation and will require no action on the part of the user Y Accel Pitch Gyro In addition a technician may choose to recalibrate the smartphone s sensors at any time by choosing the Recalibrate Z Accel Yaw Gyro option from the menu X Accel Roll Gyro 2013 2014 Computer Science Department Texas Christian University All Rights Reserved User Manual Version 2 0 4 9 Technician Mode View Acci
15. st be alphanumeric and can include License Plate Enter the unique license plate of the vehicle that will be driven Input must be alphanumeric Select State Enter which state the vehicle license plate currently matches with V I N Enter the vehicle identification number for the vehicle being configured This can be found on the driver side of the door on the vehicle that will be driven Input must be alphanumeric Name Enter the name that is given to the vehicle that will be driven Input must be alphanumeric and can include Color Enter the color of the vehicle that will be driven Input must be alphanumeric and can include a a Select State 8 Submit Submit Saves all of the vehicle data to a database within the app 2013 2014 Computer Science Department Texas Christian University All Rights Reserved User Manual Version 2 0 4 3 Home Screen Menu The screen prompts the user to swipe their smartphone to the NFC tag to start the system The NFC tag must be placed in an area where it can be easily scanned by the smartphone When the smartphone is swiped over the NFC tag the OBCU _ will connect to the phone and begin to check for ye Home Screen accidents In addition if the user has Bluetooth or NFC functionality disabled they will be asked to turn these services on before continuing use of the application The home screen shows the name vehicle if the syst
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