GPS140 Windows Application User`s Manual Version 2.0.x
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1. Navigate to Control Panel Add new Hardware When the wizard starts click the next button then select Add Troubleshoot a device click next Windows will search for new plug and play devices When the list of devices is displayed select the list item called Add a new device On the next page Windows will ask you whether it should search for new hardware Select No I want to select the hardware from a list Press next When the list of categories is displayed select Ports COM amp LPT Then press next On the next page select Standard Port types from the menu on the left and Communications port from the list on the right Press next Then Windows will ask you to enter the device settings Enter the base address and IRQ you set the board to After you have set the resources press OK and then press next on the wizard until it completes In Windows XP use the following procedure Navigate to Control Panel Add Hardware When the wizard starts click next Windows will search for new hardware When the is the hardware connected page appears select Yes I have already connected the hardware Press next From the category list select add a new hardware device Press next Now Windows wants to know whether it should install the hardware automatically Select Install the hardware that I manually select from a list Press next On2. INTRODUCTION 5 WINDOWS INSTALLATION ois ciccessccossscesssccdedcssaccecsonsedosseocnessocdecsescsbastesseocchsobecsaadesssccdecesesoodoee 6 INSTALLATION OF THE BOARD AND SOFTWARE 0 ccscscscsssssestscsssssesssescsesesssesessseseseseseseseseseseeees 6 WINDOWS COM PORT SETTINGS 7 GPS140 MONITOR APPLICATION cccccsccsssssssssssscccccsssscsececccsecscssseecesccssssssececesecssssscececes 8 LIMITED WARRANTY ieicisciescsicssecssesssesesssesesssssusecessestesncs seseceseeeedeosnovacedesesdentevacescdesesedosesssnsstes 10 GPS140 Windows Application User s Manual iv Introduction This manual describes the operation of the GPS140 Windows monitoring application The program performs the following functions Monitoring the current coordinates Latitude Longitude altitude speed and course over ground Monitoring and configuring the device interface parameters such as the protocol and serial COM speed Fully commented source code for the application is also included The program can be built using Microsoft Visual C Version 6 Windows Installation Installation of the Board and Software Before installing the application and source files you need to install the GPS140 board in your PC The jumper locations and meanings can be found in the GPS140 hardware manual Th
3. GPS140 Windows Application User s Manual Version 2 0 x RTD Embedded Technologies Inc Real Time Devices Accessing the Analog World SWM 640020010 Rev A 1509001 and AS9100 Certified RTD Embedded Technologies INC 103 Innovation Blvd State College PA 16803 0906 Phone 1 814 234 8087 FAX 1 814 234 5218 E mail sales rtd com techsupport rtd com web site http www rtd com Revision History GPS140 Windows Application User s Manual 01 15 2004 Revision A issued Documented for ISO9000 GPS140 Windows Application User s Manual Published by RTD Embedded Technologies Inc 103 Innovation Blvd State College PA 16803 0906 Copyright 2004 by RTD Embedded Technologies Inc All rights reserved Printed in U S A The RTD Logo is a registered trademark of RTD Embedded Technologies cpuModule and utilityModule are trademarks of RTD Embedded Technologies PS 2 PC XT PC AT and IBM are trademarks of International Business Machines Inc MS DOS Windows Windows 98 Windows NT Windows 2000 and Windows XP are trademarks of Microsoft Corp PC 104 is a registered trademark of PC 104 Consortium All other trademarks appearing in this document are the property of their respective owners ii GPS140 Windows Application User s Manual Table of Contents TABLE OEF CONTENTS scscsscscosecsasoscsencsscssaseesesooonsdechostesesoessascasecssvoovocsonescecssseencsdeseasecbeseececnesesses 4
4. O THE PURCHASER OR ANY USER FOR ANY DAMAGES INCLUDING ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES EXPENSES LOST PROFITS LOST SAVINGS OR OTHER DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE PRODUCT SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR CONSUMER PRODUCTS AND SOME STATES DO NOT ALLOW LIMITATIONS ON HOW LONG AN IMPLIED WARRANTY LASTS SO THE ABOVE LIMITATIONS OR EXCLUSIONS MAY NOT APPLY TO YOU THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS AND YOU MAY ALSO HAVE OTHER RIGHTS WHICH VARY FROM STATE TO STATE GPS140 Windows Application User s Manual 10 RTD Embedded Technologies Inc 103 Innovation Blvd State College PA 16803 0906 USA Our website www rtd com 11 GPS140 Windows Application User s Manual
5. e card requires one correctly configured COM port to function After you have selected the COM port base address and IRQ using the boards jumpers you must install a COM port driver in Windows In Windows 98 use the following procedure Navigate to Control Panel Add New Hardware When the wizard starts click the next button Click the next button again When the list of devices is shown select NO the device is not in the list Press next Windows now asks you if it should search for the new hardware Select No I want to select the hardware from a list On the hardware types list box select Ports COM amp LPT Press next A page will be displayed that has two list boxes On the left listbox select Standard Port Types On the right listbox select Communications Port Press Next Windows will assign some resources to the new port however they may not be the resources that the card is actually using that is OK for now Press next then press finish When the system reboots go to Control Panel System Device Manager and select the COM port you just added and change the resources to be the ones you set the hardware to in Windows NT4 the settings are located in Control Panel Ports Press the Add button On the next dialog enter an unused COM port number and the base address and IRQ you set the card to Also select the FIFO enabled check box in Windows 2000
6. ication will go to the next highest baud rate and try both protocols again This continues until successful communication is established with the card The status message in the upper right portion of the screen will tell you when the application is searching for the correct baud and when it has locked on to communications You may change the selected protocol by using the drop down protocol box There are two protocols available ZNMEA 0183 and ZBinary Note that there is no baud rate change message defined for ZNMEA This means that the baud rate selection box will be disabled when this protocol is selected The following information is displayed on the main dialog GPS Status Indicates the status of the calculated position If the value is Valid then othe position is valid Otherwise the position is invalid Fix Fix mode can be 2D or 3D or Invalid Quality Can be Invalid GPS Fix or DGPS Fix Date and Time Date and Time of the GPS receiver The receiver gets the GMT date and time from the satellites Num of Navigation Satellites Number of satellites that are currently being used foer navigation When this number is less than three the position is invalid Num of Visible Satellites This is the number of satellites the receiver can see Position Dilution of Precision A measure of how much the error in the position estimate produced from satellite range measurement is amplified by poor arrangement of sate
7. llites with respect to the receiver antenna Horizontal Dilution of Precision A measure of how much the satellite geometry affects the position estimate Vertical Dilution of Precision A measure of how much the satellite geometry affects the position estimate Latitude Position in Degrees Minutes and fractions of minutes Longitude Position in Degrees Minutes and fractions of minutes AMSL Alt Altitude above mean sea level in meters GPS140 Windows Application User s Manual 8 Geoid Alt Height of geoid mean sea level above WGS84 ellipsoid Speed Speed over ground in Knots Course Over Ground Course in Degrees and fractions of degrees Magnetic Variation Difference between Magnetic north and true north at the current location In the Satellite list box the following columns appear Ch Receiver s channel number 1 12 PRN Satellites Pseudo Random Noise number EL Elevation AZI Azimuth SNR Signal to Noise ratio 9 GPS140 Windows Application User s Manual Limited Warranty RTD Embedded Technologies Inc warrants the hardware and software products it manufactures and produces to be free from defects in materials and workmanship for one year following the date of shipment from RTD Embedded Technologies INC This warranty is limited to the original purchaser of product and is not transferable During the one year warranty period RTD Embedded Technologies will repair o
8. r replace at its option any defective products or parts at no additional charge provided that the product is returned shipping prepaid to RTD Embedded Technologies All replaced parts and products become the property of RTD Embedded Technologies Before returning any product for repair customers are required to contact the factory for an RMA number THIS LIMITED WARRANTY DOES NOT EXTEND TO ANY PRODUCTS WHICH HAVE BEEN DAMAGED AS A RESULT OF ACCIDENT MISUSE ABUSE such as use of incorrect input voltages improper or insufficient ventilation failure to follow the operating instructions that are provided by RTD Embedded Technologies acts of God or other contingencies beyond the control of RTD Embedded Technologies OR AS A RESULT OF SERVICE OR MODIFICATION BY ANYONE OTHER THAN RTD Embedded Technologies EXCEPT AS EXPRESSLY SET FORTH ABOVE NO OTHER WARRANTIES ARE EXPRESSED OR IMPLIED INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTIES OF MERCHANTABILITY AND FIT NESS FOR A PARTICULAR PURPOSE AND RTD Embedded Technologies EXPRESSLY DISCLAIMS ALL WARRANTIES NOT STATED HEREIN ALL IMPLIED WARRANTIES INCLUDING IMPLIED WARRANTIES FOR MECHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE LIMITED TO THE DURATION OF THIS WARRANTY IN THE EVENT THE PRODUCT IS NOT FREE FROM DEFECTS AS WARRANTED ABOVE THE PURCHASER S SOLE REMEDY SHALL BE REPAIR OR REPLACEMENT AS PROVIDED ABOVE UNDER NO CIRCUMSTANCES WILL RTD Embedded Technologies BE LIABLE T
9. s on your PC the GPS140 Application and source code After starting the setup please follow the instructions on the screen to install the programs You can select the directory where to install the files The setup also adds to the Start menu under the Programs folder of your Windows system the RTD GPS 140 folder It contains shortcuts to the application and the readme txt file Windows COM port settings In the Device Manager are settings for Data Bits Stop Bits Parity Baud rate and flow control These parameters are all overridden by the application and set to the correct settings at run time It does not matter what settings you use in the Windows Device Manager 7 GPS140 Windows Application User s Manual GPS140 Monitor Application When first started the application selects the first available COM port and attempts to communicate with the GPS through it If the first COM port is not the correct COM port simply pull down the list box and select the correct one Note that used COM ports such as mouse ports will not be displayed in the list After you have selected the correct COM port the program will attempt to communicate with the GPS card using the most common parameters 9600 Baud ZNMEA protocol If it is successful you will see data start to be displayed on the screen If communication cannot be established with the card the application will try another protocol ZBinary If communication still fails the appl
10. the next list select Ports COM amp LPT Press next On the left menu list select Standard Port Types On the list on the right select Communications Port Press next Press next again After a short pause you will see a screen that says The following Hardware was installed lower down on the page is a link which says GPS140 Windows Application User s Manual 6 view or change resources for this hardware Click it Then click Set configuration manually On the next dialog enter the base address and IRQ that you set the board to Press ok Press Finish NOTE During testing it was found that allowing Windows 2000 XP to scan for new devices and installing a COM port automatically sometimes fails For undetermined reasons the new COM port added has the same name as an existing COM port To prevent this problem when Windows asks whether to scan for new hardware or select from a list use the select hardware from a list option then select Ports COM amp LPT from the following list WARNING Some versions of Windows 2000 and Windows XP may incorrectly try to use the new GPS COM Port as a mouse port this results in the mouse behaving erratically and uncontrollably To solve this problem see Microsoft Knowledge Base article number 283063 Serial Device May Be Detected as a Serial mouse in Windows On the installation diskette you can found the Setup exe program which install
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