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Kommunikation med extern, avanceradGPS-utrustning via mobil enhet
KTH, School of Computer Science and Communication (CSC).
2013 (Swedish)Independent thesis Basic level (degree of Bachelor), 20 credits / 30 HE creditsStudent thesis
Abstract [sv]

Syftet med detta projekt ar att undersoka mojligheten att

kommunicera med en militar GPS-mottagare via serieportsgranssnittet

RS-232 fran en mobil enhet. Malet ar att endast

anvanda existerande hardvara som inte kraver att enhetens

fasta programvara eller operativsystem byts ut. Smarttelefoner

och pekplattor har blivit allt vanligare och de erbjuder

i regel hogre grad av barbarhet och battre batteritid

an traditionella barbara datorer, samtidigt som deras

berakningskapacitet ar likvardig. De tva storsta systemen

pa marknaden idag ar Android och iOS. Jag valde darfor

att undersoka deras mojligheter att anslutas till kringutrustning

genom RS-232. Under utredningen framkom tva

losningar som implementerades: ett Apple-godkant tillbehor

for RS-232 till iOS och en generisk serieportsadapter till en

Android-enhet med USB-vardstod. Bada losningarna visade

sig fungera och resulterade i en prototyp-applikation for var

och en av plattformarna. Jag drar slutsatsen att de ar funktionellt

ekvivalenta, men bedomer att Android-losningen ar

nagot mer framtidssaker an iOS-losningen. Detta projekt

visar att bade Android- och iOS-enheter kan kommunicera

med militara GPS-mottagare och all annan kringutrustning

som har stod for RS-232.

Abstract [en]

The objective of this project is to examine the possibility

to communicate with a military GPS receiver over the

RS-232 serial port interface from a mobile device. Only existing

hardware is considered that does not require replacement

of the firmware or operating system of the device.

Smartphones and tablets have been introduced to the market

generally offering higher portability and better battery

lifetime than traditional laptop computers, and they have

the same magnitude of processing power. The most used

mobile device platforms today are Android and iOS. I therefore

chose to investigate their possibilities to be connected

to peripherals using RS-232. During the investigation two

solutions were found and implemented: an Apple-approved

RS-232 accessory for iOS and a generic serial port adapter

on a USB host enabled device running Android. Both approaches

appeared to function and resulted in a prototype

application for each one of them. I conclude that they are

functionally equivalent, however, I asses the Android solution

to be a bit more future-proof than the iOS solution.

This project shows that both Android and iOS devices can

be used to communicate with military GPS receivers and

with any other peripheral supporting RS-232.

Place, publisher, year, edition, pages
2013.
Series
Trita-CSC-E, ISSN 1653-5715
National Category
Computer Science
Identifiers
URN: urn:nbn:se:kth:diva-138108OAI: oai:DiVA.org:kth-138108DiVA: diva2:680409
Educational program
Master of Science in Engineering - Computer Science and Technology
Supervisors
Examiners
Available from: 2013-12-18 Created: 2013-12-18 Last updated: 2013-12-18Bibliographically approved

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Other links

http://www.nada.kth.se/utbildning/grukth/exjobb/rapportlistor/2013/rapporter13/pettersson_joel_13014.pdf
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