COE-485COE-485Senior Design ProjectSenior Design Project

Group#1Group#1

Week_8Week_8

ContentContent

Map calibration.Map calibration.

Mapping between GPS coordinates and map Mapping between GPS coordinates and map coordinates.coordinates.

Virtual GPS.Virtual GPS.

Serial Interface.Serial Interface.

Integrating ComponentsIntegrating Components

Map Calibration Map Calibration

2 problem Faced:2 problem Faced: The right direction of the map.The right direction of the map. The longitude and latitude of Dhahran Map.The longitude and latitude of Dhahran Map.

Solution:Solution: Modify the map (new scanned, North).Modify the map (new scanned, North). Use program to Calibrate the map:Use program to Calibrate the map:

OziExplorer OziExplorer

http://www.oziexplorer.comhttp://www.oziexplorer.com

Calibration(2)Calibration(2)

Calibration(2)Calibration(2)

From GPS to mapFrom GPS to map

Reach to equation that relates the GPS coordinates and Reach to equation that relates the GPS coordinates and the coordinates on the map.the coordinates on the map.

Mapping depends on Map view and size.Mapping depends on Map view and size.

E.g. 5 minutes on real = 200 pixels on interfaceE.g. 5 minutes on real = 200 pixels on interface

Direction of new locationDirection of new location..

Plotting the new coordinates.Plotting the new coordinates.

Virtual GPSVirtual GPS

Why do we need to buy GPS units ?Why do we need to buy GPS units ?We can use Franson GPSGate for free.We can use Franson GPSGate for free.We can use Franson GPSGate Simulator We can use Franson GPSGate Simulator (software) which acts as a virtual GPS.(software) which acts as a virtual GPS.With some settings it can send GPS messages With some settings it can send GPS messages to a physical port.to a physical port.These messages can be of any NMEA type ( eg. These messages can be of any NMEA type ( eg. GGA ). GGA ). You can download it from: You can download it from: http://http://franson.com/gpsgatefranson.com/gpsgate/ /

Virtual GPSVirtual GPS

Step1:SettingsStep1:SettingsChoose Simulator to act as a virtual GPS

Choose the Physical

Ports if you have

Virtual GPSVirtual GPS

Step2: Step2:

B : From advanced We can Choose

any NMEA format as shown next

slide

A : Add the coordinates manually

Virtual GPSVirtual GPS

B: Choosing NMEA format. B: Choosing NMEA format.

Virtual GPSVirtual GPS

Finally Finally To start the simulator click

Start. NMEA data will now be sent out

the virtual serial ports you defined

under

Example Example

This is the execution of our code that reads from the serial physical This is the execution of our code that reads from the serial physical port after virtual GPS sent the messages to it. port after virtual GPS sent the messages to it.

Serial InterfaceSerial Interface

Using the package javax.commUsing the package javax.comm

The Package help to enumerate all the ports The Package help to enumerate all the ports available in the PC.available in the PC.

Contains all classes needed to send and receive Contains all classes needed to send and receive data from serial ports.data from serial ports.

Available at the sun website.Available at the sun website. javajava.sun.com/products/.sun.com/products/javajavacomm/index.jsp comm/index.jsp

Integrating ComponentsIntegrating Components

Putting things together.Putting things together.User Interface + calibrated map + NMEA parser + Serial User Interface + calibrated map + NMEA parser + Serial Interface + virtual GPS.Interface + virtual GPS.

Interface Calibrated Map

Serial Interface NMEA parserVirtual GPS

Intermediate class

Storage

HW

Coming nextComing next

Progress report.Progress report.

Phase 2 planning.Phase 2 planning.

Have fun in Midterm break.Have fun in Midterm break.