HARDKERNEL ODROID-XU4 User Manual
Also see for ODROID-XU4: User manual
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Contents
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40 ODROID-XU4 USER MANUALvices will be advertised as a “no device driver required” model.Direct UART to MIDI interface: Since MIDI is a asynchronous serialinterface, standard serial ports can often be easily converted to a MIDIinterface.Sound Cards and Devices for MIDI File Playback on the XU4Not all sound cards and modules provide native MIDI file play-back capability, including the ODROID USB sound card. Many otherUSB sound cards do however, so make sure to consult the device’sspecifications. Professional-level USB MIDI synthesizers are alsoavailable, including sampling synths by Roland, Ensoniq, Kurzweil,Roland, and Korg.Experimental Music with the XU4Using an ODROID-XU4 for computer music opens up possibilitiesbeyond those of traditional computer music performance, productions,and engineering. A MIDI Interface and any number of sensors could beused to create unique musical instruments. For example, a pressuretransducer could be used as a MIDI breath controller, ultrasonic trans-ducers could be used to make a Vulcan Lute, a string-less harp, or asuper-theremin, or a capacitive touch controller such as the FreescaleMPR121. Using conductive paint for the capacitive inputs could inspireeven more interesting inventions.AndroidAndroid is an easy-to-use, yet powerful operating system, in-tended for smartphones, tablets and other portable devices It alsoruns very well on the ODROID-XU4, not only as an inexpensive test-ing platform for building Android applications, but also as a set-topbox for video and music streaming and playback, a general-purposeoperating system capable of web browsing, social networking, remotecontrol of other computers, and much more.Desktop EnvironmentThe Hardkernel Android image offers several Android tablet fea-tures, including two pulldown menus at the top of the screen. As shownbelow, the top left menu shows notifications and application informa-tion. The top right menu offers direct access to the operating systemsettings. To open the applications menu, click on the circle with thesix dots, which displays an alphabetical list of all installed apps. TheRecent menu shows the recently opened applications. Power Optionsallows you to reboot, shutdown the device and put it in airplane mode,which disables all wireless functions, including Bluetooth.Chapter 3 |
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