N900 VGA camera - Revision history

joerg_rw: /* Hardware */ at once

joerg_rw — Sun, 27 Jul 2014 16:43:09 GMT

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==

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

amigadave — Wed, 16 Jun 2010 14:54:45 GMT

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

← Older revision

Revision as of 14:54, 16 June 2010

amigadave: /* Hardware */ add product identifier

amigadave — Thu, 10 Jun 2010 13:48:24 GMT

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.
Line 7:		Line 7:
	* 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.

amigadave: /* Hardware */ typo

amigadave — Wed, 09 Jun 2010 14:31:41 GMT

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.

amigadave: wikify slightly

amigadave — Wed, 09 Jun 2010 14:31:22 GMT

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]]

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

speedevil — Mon, 07 Jun 2010 17:24:32 GMT

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

← Older revision

Revision as of 17:24, 7 June 2010

speedevil at 23:39, 3 June 2010

speedevil — Thu, 03 Jun 2010 23:39:51 GMT

← 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]]

speedevil at 16:10, 5 May 2010

speedevil — Wed, 05 May 2010 16:10:17 GMT

← 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]]

amigadave: links

amigadave — Thu, 15 Apr 2010 11:08:15 GMT

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

213.39.155.65 — Mon, 25 Jan 2010 21:55:32 GMT

← 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.