Porting Theora to 353 cameras - Revision history

JeremViewsurf: /* Compressor */

2008-04-16T14:16:31Z

Compressor

← Older revision		Revision as of 14:16, 16 April 2008
Line 509:		Line 509:

	Writing tables in compressor (and mcontr8ch) is the same than the 333 design :		Writing tables in compressor (and mcontr8ch) is the same than the 333 design :
	* ~~(X313_WA_COMP_TA)~~ia = 0x2d and idi = table address (X313_WA_COMP_TA=0x2d)		* ia = 0x2d and idi = table address (X313_WA_COMP_TA=0x2d)
	then		then
	* ia = 0x2c and idi = table data (X313_WA_COMP_TD=0x2c)		* ia = 0x2c and idi = table data (X313_WA_COMP_TD=0x2c)

2008-04-16T14:15:53Z

Compressor

← Older revision		Revision as of 14:15, 16 April 2008
Line 509:		Line 509:

	Writing tables in compressor (and mcontr8ch) is the same than the 333 design :		Writing tables in compressor (and mcontr8ch) is the same than the 333 design :
	* ia = 0x2d and idi = table address		* (X313_WA_COMP_TA)ia = 0x2d and idi = table address (X313_WA_COMP_TA=0x2d)
	then		then
	* ia = 0x2c and idi = table data		* ia = 0x2c and idi = table data (X313_WA_COMP_TD=0x2c)

	Example : Writing zerobin and quantization tables in 353 Theora design		Example : Writing zerobin and quantization tables in 353 Theora design

2008-04-09T15:41:33Z

Sensorpix

← Older revision		Revision as of 15:41, 9 April 2008
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	Table address is not autoincremented within the sensorpix block but is fed externally with the ta bus.		Table address is not autoincremented within the sensorpix block but is fed externally with the ta bus.

	[[Image:.Gammatab.jpg]]		[[Image:Gammatab.jpg]]

	=== Memory controller ===		=== Memory controller ===

2008-04-09T15:41:05Z

Sensorpix

← Older revision		Revision as of 15:41, 9 April 2008
Line 509:		Line 509:

	Writing tables in compressor (and mcontr8ch) is the same than the 333 design :		Writing tables in compressor (and mcontr8ch) is the same than the 333 design :
	* ia = 0x2d and idi = table ~~start~~ address		* ia = 0x2d and idi = table address
	then		then
	* ia = 0x2c and idi = table data		* ia = 0x2c and idi = table data

	~~The write address is then autoincremented.~~

	Example : Writing zerobin and quantization tables in 353 Theora design		Example : Writing zerobin and quantization tables in 353 Theora design
Line 522:		Line 520:

	Most of the 353 design was used for the new design. Writing procedure for gamma tables in sensorpix block is the same than in 353 (ie with ta bus and twr_gamma signal).		Most of the 353 design was used for the new design. Writing procedure for gamma tables in sensorpix block is the same than in 353 (ie with ta bus and twr_gamma signal).

			* ia = 0x0e and idi = table address

			then

			* ia = 0x0f and idi = table data

			Table address is not autoincremented within the sensorpix block but is fed externally with the ta bus.

			[[Image:.Gammatab.jpg]]

	=== Memory controller ===		=== Memory controller ===

2008-04-09T15:37:17Z

Compressor

← Older revision		Revision as of 15:37, 9 April 2008
Line 509:		Line 509:

	Writing tables in compressor (and mcontr8ch) is the same than the 333 design :		Writing tables in compressor (and mcontr8ch) is the same than the 333 design :
	* ia = 0x2d and idi = table address		* ia = 0x2d and idi = table start address
	then		then
	* ia = 0x2c and idi = table data		* ia = 0x2c and idi = table data

			The write address is then autoincremented.

	Example : Writing zerobin and quantization tables in 353 Theora design		Example : Writing zerobin and quantization tables in 353 Theora design

2008-04-09T15:17:08Z

Compressor

← Older revision		Revision as of 15:17, 9 April 2008
Line 512:		Line 512:
	then		then
	* ia = 0x2c and idi = table data		* ia = 0x2c and idi = table data

			Example : Writing zerobin and quantization tables in 353 Theora design

			[[Image:Writetabs.jpg]]

	=== Sensorpix ===		=== Sensorpix ===

2008-04-09T15:09:52Z

Compressor

← Older revision		Revision as of 15:09, 9 April 2008
Line 510:		Line 510:
	Writing tables in compressor (and mcontr8ch) is the same than the 333 design :		Writing tables in compressor (and mcontr8ch) is the same than the 333 design :
	* ia = 0x2d and idi = table address		* ia = 0x2d and idi = table address
			then
	* ia = 0x2c and idi = table data		* ia = 0x2c and idi = table data

2008-04-09T15:09:09Z

Compressor

← Older revision		Revision as of 15:09, 9 April 2008
Line 507:		Line 507:
	== 353 Theora new design ==		== 353 Theora new design ==
	=== Compressor ===		=== Compressor ===

			Writing tables in compressor (and mcontr8ch) is the same than the 333 design :
			* ia = 0x2d and idi = table address
			* ia = 0x2c and idi = table data

	=== Sensorpix ===		=== Sensorpix ===

2008-04-09T15:00:33Z

Sensorpix

← Older revision		Revision as of 15:00, 9 April 2008
Line 510:		Line 510:
	=== Sensorpix ===		=== Sensorpix ===

	~~Some changes have to be done~~ in ~~this~~ block ~~to interface~~ the ~~sensor and the memory controller~~ (~~ch0~~ and 1).		Most of the 353 design was used for the new design. Writing procedure for gamma tables in sensorpix block is the same than in 353 (ie with ta bus and twr_gamma signal).


	=== Memory controller ===		=== Memory controller ===

2008-04-02T14:37:36Z

System interface