N900 VGA camera - Revision history

imported_>joerg_rw: /* Hardware */ at once

2014-07-27T16:43:09Z

Hardware: at once

← Older revision		Revision as of 16:43, 27 July 2014
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	* Field of view: 66 degrees horizontal, 78 degrees diagonal		* Field of view: 66 degrees horizontal, 78 degrees diagonal

	This is connected via a multiplexor to the single camera bus on the CPU, along with the main camera. The two cannot be used ~~at once~~.		This is connected via a multiplexor to the single camera bus on the CPU, along with the main camera. The two cannot be used concurrently.

	==Software==		==Software==

imported_>amigadave: N900 Hardware VGA Camera moved to N900 VGA camera: shorten and capitalization

2010-06-16T14:54:45Z

N900 Hardware VGA Camera moved to N900 VGA camera: shorten and capitalization

← Older revision	Revision as of 14:54, 16 June 2010
(No difference)

imported_>amigadave: /* Hardware */ add product identifier

2010-06-10T13:48:24Z

Hardware: add product identifier

← Older revision		Revision as of 13:48, 10 June 2010
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	==Hardware==		==Hardware==

	The [[Nokia N900\|N900]] front camera is a VGA camera from ST ~~microelectronics~~.		The [[Nokia N900\|N900]] front camera is a VS6555 VGA camera from ST Microelectronics.

	The [http://www.alldatasheet.com/datasheet-pdf/pdf/206482/STMICROELECTRONICS/VS6555.html datasheet] lists the following specs.		The [http://www.alldatasheet.com/datasheet-pdf/pdf/206482/STMICROELECTRONICS/VS6555.html datasheet] lists the following specs.
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	* Size: 4.5×4.5×2.5 mm		* Size: 4.5×4.5×2.5 mm
	* Resolution: 640×480		* Resolution: 640×480
	* minimum illumination 7 lux.		* minimum illumination 7 lux
	* SNR at 100 lux 34 dB		* SNR at 100 lux 34 dB
	* Field of view: 66 degrees horizontal, 78 degrees diagonal.		* Field of view: 66 degrees horizontal, 78 degrees diagonal

	This is connected via a multiplexor to the single camera bus on the CPU, along with the main camera. The two cannot be used at once.		This is connected via a multiplexor to the single camera bus on the CPU, along with the main camera. The two cannot be used at once.

imported_>amigadave: /* Hardware */ typo

2010-06-09T14:31:41Z

Hardware: typo

← Older revision		Revision as of 14:31, 9 June 2010
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	The [http://www.alldatasheet.com/datasheet-pdf/pdf/206482/STMICROELECTRONICS/VS6555.html datasheet] lists the following specs.		The [http://www.alldatasheet.com/datasheet-pdf/pdf/206482/STMICROELECTRONICS/VS6555.html datasheet] lists the following specs.

	* Size: 4.5×4.~~5&×2~~.5 mm		* Size: 4.5×4.5×2.5 mm
	* Resolution: 640×480		* Resolution: 640×480
	* minimum illumination 7 lux.		* minimum illumination 7 lux.

imported_>amigadave: wikify slightly

2010-06-09T14:31:22Z

wikify slightly

← Older revision		Revision as of 14:31, 9 June 2010
Line 1:		Line 1:
	=Hardware=		==Hardware==

	The [[Nokia N900\|N900]] front camera is a VGA camera from ST microelectronics.		The [[Nokia N900\|N900]] front camera is a VGA camera from ST microelectronics.

	The [http://www.alldatasheet.com/datasheet-pdf/pdf/206482/STMICROELECTRONICS/VS6555.html datasheet] lists the following specs.		The [http://www.alldatasheet.com/datasheet-pdf/pdf/206482/STMICROELECTRONICS/VS6555.html datasheet] lists the following specs.

	* Size: 4.54.52.5mm		* Size: 4.5×4.5&×2.5 mm
	* Resolution: ~~640*480~~		* Resolution: 640×480
	* minimum illumination 7 lux.		* minimum illumination 7 lux.
	* SNR at 100 lux ~~34dB~~		* SNR at 100 lux 34 dB
	* Field of view: 66 degrees horizontal, 78 degrees diagonal.		* Field of view: 66 degrees horizontal, 78 degrees diagonal.

	This is connected via a multiplexor to the single camera bus on the CPU, along with the main camera. The two cannot be used at once.		This is connected via a multiplexor to the single camera bus on the CPU, along with the main camera. The two cannot be used at once.

	=Software=		==Software==

	The driver presents the camera as a video4linux device - /dev/video1.		The driver presents the camera as a video4linux device - <code>/dev/video1</code>.

	This camera had severe performance problems under the original software release. (PR1.0)		This camera had severe performance problems under the original software release. (PR1.0)
	With PR1.1, released in January 2010, in very good light, the picture was acceptable. In normal room light, the performance remained lower than would be hoped.		With [[Maemo 5/PR1.1\|PR1.1]], released in January 2010, in very good light, the picture was acceptable. In normal room light, the performance remained lower than would be hoped.

			With the release of [[Maemo 5/PR1.2\|PR1.2]], this has improved further, being generally adequate.

	~~With~~ the release of PR1.2, ~~this has improved further~~, ~~being generally adequate~~.		Also, with the release of PR1.2, [http://talk.maemo.org/showthread.php?t=53579&highlight=skype+video Skype Video] began to work, using the VGA camera. Little other software uses the front camera - [http://maemo.org/downloads/product/Maemo5/mirror/ mirror] provides a real-time image of what the camera is showing, and [http://maemo.org/packages/view/mplayer/ mplayer] can also use the camera as a video4linux device.

	~~Also, with the release of PR1.2, [http://talk.maemo.org/showthread.php?t=53579&highlight=skype+video Skype Video] began to work, using the VGA camera.~~
	Little other software uses the front camera - [http://maemo.org/downloads/product/Maemo5/mirror/ mirror] provides a real-time image of what the camera is showing, and [http://maemo.org/packages/view/mplayer/ mplayer] can also use the camera as a video4linux device.
	[[Category:N900]]		[[Category:N900]]
	[[Category:N900 Hardware]]		[[Category:N900 Hardware]]

imported_>speedevil: N900 Hardware VGA Camera module moved to N900 Hardware VGA Camera: better name

2010-06-07T17:24:32Z

N900 Hardware VGA Camera module moved to N900 Hardware VGA Camera: better name

← Older revision	Revision as of 17:24, 7 June 2010
(No difference)

imported_>speedevil at 23:39, 3 June 2010

2010-06-03T23:39:51Z

← Older revision		Revision as of 23:39, 3 June 2010
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			=Hardware=
	The [[Nokia N900\|N900]] front camera is a VGA camera from ST microelectronics.		The [[Nokia N900\|N900]] front camera is a VGA camera from ST microelectronics.

Line 8:		Line 9:
	* SNR at 100 lux 34dB		* SNR at 100 lux 34dB
	* Field of view: 66 degrees horizontal, 78 degrees diagonal.		* Field of view: 66 degrees horizontal, 78 degrees diagonal.

			This is connected via a multiplexor to the single camera bus on the CPU, along with the main camera. The two cannot be used at once.

			=Software=

	The driver presents the camera as a video4linux device - /dev/video1.		The driver presents the camera as a video4linux device - /dev/video1.

	This ~~is connected via a multiplexor to the single~~ camera ~~bus on~~ the ~~CPU~~, ~~along with~~ the ~~main camera~~. ~~The two cannot~~ be ~~used at once~~.		This camera had severe performance problems under the original software release. (PR1.0)
			With PR1.1, released in January 2010, in very good light, the picture was acceptable. In normal room light, the performance remained lower than would be hoped.

	~~This camera had severe performance problems under~~ the ~~original software~~ release ~~- under the one released in early January - in very good light~~, ~~the picture is acceptable. In normal room light~~, ~~the performance remains lower than would be hoped~~.		With the release of PR1.2, this has improved further, being generally adequate.

	~~Reportedly~~, with the release of PR1.2, ~~this has improved further~~.		Also, with the release of PR1.2, [http://talk.maemo.org/showthread.php?t=53579&highlight=skype+video Skype Video] began to work, using the VGA camera.
			Little other software uses the front camera - [http://maemo.org/downloads/product/Maemo5/mirror/ mirror] provides a real-time image of what the camera is showing, and [http://maemo.org/packages/view/mplayer/ mplayer] can also use the camera as a video4linux device.
	[[Category:N900]]		[[Category:N900]]
	[[Category:N900 Hardware]]		[[Category:N900 Hardware]]

imported_>speedevil at 16:10, 5 May 2010

2010-05-05T16:10:17Z

← Older revision		Revision as of 16:10, 5 May 2010
Line 15:		Line 15:
	This camera had severe performance problems under the original software release - under the one released in early January - in very good light, the picture is acceptable. In normal room light, the performance remains lower than would be hoped.		This camera had severe performance problems under the original software release - under the one released in early January - in very good light, the picture is acceptable. In normal room light, the performance remains lower than would be hoped.

			Reportedly, with the release of PR1.2, this has improved further.
	[[Category:N900]]		[[Category:N900]]
	[[Category:N900 Hardware]]		[[Category:N900 Hardware]]

imported_>amigadave: links

2010-04-15T11:08:15Z

links

← Older revision		Revision as of 11:08, 15 April 2010
Line 1:		Line 1:
	The front camera is a VGA camera from ST microelectronics.		The [[Nokia N900\|N900]] front camera is a VGA camera from ST microelectronics.

	The [http://www.alldatasheet.com/datasheet-pdf/pdf/206482/STMICROELECTRONICS/VS6555.html datasheet] lists the following specs.		The [http://www.alldatasheet.com/datasheet-pdf/pdf/206482/STMICROELECTRONICS/VS6555.html datasheet] lists the following specs.
Line 13:		Line 13:
	This is connected via a multiplexor to the single camera bus on the CPU, along with the main camera. The two cannot be used at once.		This is connected via a multiplexor to the single camera bus on the CPU, along with the main camera. The two cannot be used at once.

	This camera had severe performance problems under the original software release - under the one released in early January - in very good light, the picture is acceptable.		This camera had severe performance problems under the original software release - under the one released in early January - in very good light, the picture is acceptable. In normal room light, the performance remains lower than would be hoped.
	In normal room light, the performance remains lower than would be hoped.

	[[Category:~~n900~~]] [[Category:~~n900_Hardware~~]]		[[Category:N900]]
			[[Category:N900 Hardware]]

213.39.155.65 at 21:55, 25 January 2010

2010-01-25T21:55:32Z

← Older revision		Revision as of 21:55, 25 January 2010
Line 9:		Line 9:
	* Field of view: 66 degrees horizontal, 78 degrees diagonal.		* Field of view: 66 degrees horizontal, 78 degrees diagonal.

	The driver presents the camera as a video4linux device - /dev/~~video0~~.		The driver presents the camera as a video4linux device - /dev/video1.

	This is connected via a multiplexor to the single camera bus on the CPU, along with the main camera. The two cannot be used at once.		This is connected via a multiplexor to the single camera bus on the CPU, along with the main camera. The two cannot be used at once.