Epson Moverio BT-200 Technical Information For Application Developer

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Summary of Contents for Epson Moverio BT-200

  • Page 1 Rev.C...
  • Page 2: Table Of Contents

    Table of Content Table of Content Table of Content Table of Content 1. Scope .......................... 1 1.1 Purpose ............................1 1.2 Major System Specification ....................... 1 1.3 Basic Information for Application Development ..............2 1.4 Difference from SmartPhone ..................... 2 2.
  • Page 3: Scope

    Scope Purpose This documentation describes technical information to support application development for Epson see-through mobile viewer BT-200. Major System Specification Category Description Model MOVERIO BT-200 Main Processor OMAP4460 (dual core ARM Cortex A9) System Clock Max 1.2GHz (Automatic adjustment based on system load and...
  • Page 4: Basic Information For Application Development

    Basic Information for Application Development Category Description CPU/ABI ARMv7 armeabi Android API Level Screen Density mdpi (160dpi) UI Type Tablet UI Orientation Landscape Only (No rotation by sensor) USB Vendor ID 0x04B8 Difference from Smartphone ■ HOME/MENU/BACK Keys are hardware buttons ■...
  • Page 5: Supported Functions

    Supported Functions MOVERIO BT-200 supports the following BT-200 specific functions/settings. Full screen display function 3D contents display function Switching sensor (from headset to controller, and vice versa) Camera control parameters Other than the above BT-200 specific functions, basic functions, such as controlling sensors, are accessed through Android standard methods/API.
  • Page 6: Full Screen Display

    Full screen display BT-200 uses Android 4.0 Tablet UI. With this UI, Application is typically not allowed to use full screen. However, application can use full screen with the following setting. ■In Application Implement the following lines in each Activity onCreate(). Window win = getWindow();...
  • Page 7 Moverio Technical Information ( )...
  • Page 8: Camera Control Function

    Camera control function The camera resolution is VGA. The resolution is not high when compared with other cameras on smartphones. This is because BT-200 doesn’t need to display image from its camera on its screen. Use the camera for marker recognition or normal image capture with the following settings: For marker recognition Use setSceneMode(SCENE_MODE_BARCODE) to Camera class to read markers.
  • Page 9 Example images with settings SCENE_MODE_AUTO SCENE_MODE_BARCODE Sharpness +7 White Balance Daylight Moverio Technical Information ( )...
  • Page 10: Sensor Switching Function

    Sensor switching function BT-200 has 9 axis sensor set (Accelerometer, Gyro, Compass) on both the controller and headset. Application program can choose which sensor set to use. (There is no UI for the end user to switch.) Each sensor axis is set as follows Default setting is to use sensors on the controller.
  • Page 11: Contents Display Function

    3D contents display function BT-200 can display side-by-side 3D format contents on screen. Side-by-side format is the format that contains left and right eye images in one frame. To make side-by-side 3D contents, the original two 960 x 540 images must be compressed and combined into one single 960 x 540 QHD frame (each image is thus reduced to 480 x 540).
  • Page 12 Setting Brightness Application can change the display brightness level on the BT-200. The darker the backlight setting the display image will be more transparent and will have more of a see-through effect. ■How to Use using provided library ■Interface int setBacklight(int backlight) int getBacklight() ■Parameter backlight or return value: Brightness level 0 (dark) –...
  • Page 13: Revision History

    Revision History Contents Date release 2014.03.03 release 2014.03.20 release 2014.05.13 Moverio Technical Information ( )...

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