| Summary: | 碩士 === 國立臺灣科技大學 === 電子工程系 === 102 === Breakthrough in the information update rate and age of widespread application of wearable devices , smart phones , smart appliances system has gradually become the future trend , in addition to gradually create from many brands , to overthrow the old large traditional phone system factory Nokia, and Apple competing forces leading factory Android system 's top research and development plant in Samsung, HTC and iOS system , the next few years will be the smart phone system appliances, wearable device combination products for the future mainstream processes and trends , gesture discrimination operations are more likely to integrate various wearable devices, so common in this thesis focus on g-sensor analysis .
In this paper, the use of Tiny4412 friendlyARM equipped Samsung Exynos4412 quad-core processor to do as a development platform , using Android version 4.2.2 (Jelly Bean), core version of Linux-3.5.0.
The objective of this paper is to triaxial accelerometer mma7660fc driver ported to Linux-3.5.0 and write and modify Sensor HAL architecture , allowed to achieve data transfer acceleration sensor and the screen display Android achieved in accordance with the user to make the appropriate operating mode flip the screen . Furthermore , this paper attempts to App in user space application to verify whether the correct transmission of acceleration values . Finally, this paper to write a small App game allows the overall system to make substantive experience. Sensor Driver, IIC, Sensor HAL, Application made to modify the whole structure analysis and implementation .
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