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Evaluation and Implementation ofSensor Adapter Card for MidrangePlatform
KTH, School of Information and Communication Technology (ICT).
2012 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

This report is a part of the Master thesis project conducted by Mattias Hovebro at Syntronic R&D Stockholm Sweden. The goal was to evaluate dierent sensors and interfaces that can be of use when developing an sensor adapter card for the Midrange platform. The evaluation focused on sensors suitable for fast prototyping and demonstration purpose. After the evaluation the adapter card was produced along with associated software that can demonstrate its functionality.

The sensors implemented was chosen from a six week long pre-study where a number of interfaces and sensor was researched. The results from the pre-study was discussed with the R&D department of Syntronic AB. During the meeting the most desired functions were ranked and the method of implementation were chosen, and was later approved by the examiner. The most desired functions was based on the potential future needs of the R&D department. The nal adapter card utilizes three sensors. Together these sensors can measure ambient light, proximity, temperature and acceleration.

The adapter card was produced at Royal Institute of Science in cooperation with the Examiner. Functions to operate the sensors, such as read/write operations and also conguration functions for each of the sensors, was produced along with documentation for Syntronic. Even though these functions was produced for these three sensors, these functions are not limited to them and can be used separately in new projects using I2C and the Midrange platform.

After the functions was veried using a oscilloscope (HW) and realterm (SW), a basic demonstration program was put together. The purpose of which is to demonstrate the functionality of the adapter card for the project stakeholders.

Abstract [sv]

Denna rapport är en del av examensarbetet utfört av Mattias Hovebro på Syntronic R&D AB Stockholm Sverige. Målet var att utvärdera olika sensorer och gränssnitt som är lämpliga vid utveckling av ett sensorkort till Midrange plattformen. Denna utvärdering fokuserade på sensorer som är lämpliga att använda vid snabb prototyp framställning och i demonstrationssyfte. Efter utvärderingen tillverkades detta sensorkort, med tillhörande mjukvara för att demonstrera dess funktionalitet.

De implementerade sensorerna valdes utifrån en sex veckor lång förstudie, där ett antal gränssnitt och sensorer undersöktes. Resultaten från förstudien diskuterades sedan med R&D avdelningen på Syntronic AB. Under mötet rangordnades de mest eftertraktade funktionerna och implementations metoden valdes. Dessa var sedan godkända av examinatorn. De mest önskade funktionerna var baserat på potentiella framtida behov av Syntronic AB. Det slutgiltiga adapterkortet använder sig av tre sensorer. Tillsammans kan de mäta omgivande ljus, avstånd, temperatur och acceleration.

Adapterkortet producerades på Kungliga tekniska högskolan tillsammans med examinatorn. Funktioner för läs- och skrivoperationer och även kongurations funktioner var kodade för varje sensor med tillhörande dokumentation. Trots att dessa funktioner är gjorda till dessa sensorer så är de inte begränsade till dem, funktionerna kan vara till användning vid senare projekt som använder I2C gränssnittet och Midrange plattformen.

Efter att funktionerna var verierade med både Oscilloskop(HW) och realterm(SW), konstruerades ett demonstrationsprogram. Syftet med det var att kunna demonstrera adapterkortets funktionalitet för projektets intressenter.

Place, publisher, year, edition, pages
2012. , 68 p.
Series
Trita-ICT-EX
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:kth:diva-107729OAI: oai:DiVA.org:kth-107729DiVA: diva2:577784
Educational program
Master of Science - System-on-Chip Design
Uppsok
Technology
Examiners
Available from: 2012-12-17 Created: 2012-12-17 Last updated: 2012-12-17Bibliographically approved

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