Difference between revisions of "Romit2 VPU"

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[[Category:Romit2]]
 
[[Category:Romit2]]
 
[[Category:Video Processing]]
 
[[Category:Video Processing]]
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== Overview ==
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Functional specifications:
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* Capture video and still images
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** Video resolutions (TBC):
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*** 1280x720 at ? fps
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*** 640x480 at 5, 10 and 15fps
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*** 320x480 at 5, 10, 15, 20, 25 and 30 fps
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** Still image resolutions (TBD):
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*** 2592x1944
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* Encode video using H.264 codec
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* Encode images using JPG or PNG codec
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* Multiplex video and image data with telemetry data
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* Support both continuous video streaming as well as pre-programmed recording for later download
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* Command interface to allow adjusting camera and video processing parameters
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Interface specification:
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* I2C control interface to microcontroller
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* McBSP data interface to 2.4 GHz transmitter
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* Power supply: 3.3 V
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* Logic level: 1.8 V
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Performance:
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* Temperature range: -25° to 80° C
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* Vacuum
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* Fully functional within 10 seconds after power up
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* Immune against sudden loss of power
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== Camera ==
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Following cameras have been evaluated:
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* [http://www.gumstix.com/store/product_info.php?products_id=260 Caspa VL] from [http://www.gumstix.com Gumstix]
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* [[:Category:Cameras|Logitech UVC cameras]]
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* [http://www.e-consystems.com/omapovero.asp e-CAM32] and [http://www.e-consystems.com/5MP-Custom-Lens-camera-gstix.asp e-CAM50] with custom lens by [http://www.e-consystems.com/ e-Con Systems].
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Present work continues using the e-Con cameras.
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== Video processor ==
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 +
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== Test campaigns ==
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=== Temperature testing ===
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=== Vacuum testing ===
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=== Vibration testing ===
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=== High altitude balloon flight ===

Revision as of 21:52, 14 October 2011

The Romit2 VPU is a video capturing and processing unit originally developed for the Romit2 cubesat. It is based on the Gumstix Overo Water computer board powered by an OMAP3530.

Overview

Functional specifications:

  • Capture video and still images
    • Video resolutions (TBC):
      • 1280x720 at ? fps
      • 640x480 at 5, 10 and 15fps
      • 320x480 at 5, 10, 15, 20, 25 and 30 fps
    • Still image resolutions (TBD):
      • 2592x1944
  • Encode video using H.264 codec
  • Encode images using JPG or PNG codec
  • Multiplex video and image data with telemetry data
  • Support both continuous video streaming as well as pre-programmed recording for later download
  • Command interface to allow adjusting camera and video processing parameters


Interface specification:

  • I2C control interface to microcontroller
  • McBSP data interface to 2.4 GHz transmitter
  • Power supply: 3.3 V
  • Logic level: 1.8 V

Performance:

  • Temperature range: -25° to 80° C
  • Vacuum
  • Fully functional within 10 seconds after power up
  • Immune against sudden loss of power


Camera

Following cameras have been evaluated:

Present work continues using the e-Con cameras.

Video processor

Test campaigns

Temperature testing

Vacuum testing

Vibration testing

High altitude balloon flight