最終更新:2015-01-15 (木) 06:14:53 (3389d)  

ODROID-X/タッチパネル
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Touchscreen resolution mismatch. How to calibrate. (2013/06/28)

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Touchscreen input on X2 vs U2 (2013/05/23)

  • フレームバッファは3つある
    • 0 is the LCD Kit framebuffer
    • 6 is the HDMI Framebuffer
    • 1 (or something else that I can't remember) is the Fake_fb.
  • When no boot.scr is present it will choose 720p 60hz. That's the default screen resolution.
  • For further reading and better understanding of that:
    • drivers/video/samsung/fake_fb.c
    • drivers/media/video/samsung/tvout (hdmi driver)
  • those last 4 files are touch-screen drivers from us:
    • drivers/input/touchscreen/touch-sysfs.c
    • drivers/input/touchscreen/odroidq-touch.c
    • drivers/input/touchscreen/touch-i2c.c
    • drivers/input/touchscreen/touch.c
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メモ

  • Normally we made a tricky code in the device driver when we used eGalax touch device driver.



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