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Discussion Groups | Analog Devices DSPs | How CMOS sensor capture images?

Technical discussions related to Analog Devices DSPs (including Blackfin, TigerSHARC, SHARC and ADSP-21xx DSPs).

  

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How CMOS sensor capture images? - univmercury - Sep 14 7:40:23 2007



Hi all,

I'm doing a project on image processing. I use the CMOS sensor to
capture the images. In the cmos sensor main function, I only find the
Initialization PLL, EBIU, SDRAM, then the I2C Init, and some I2C read
& write registers. then the DMA&PPI init, but when the DMA transfer
starts? and where it put the data?

I'm a newbie in DSP, I just have a little sence in Visual DSP++.

Thank you in advance.
Haifeng


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Re: How CMOS sensor capture images? - Naresh Patel - Sep 14 8:55:13 2007

Hi,
Which processor are you using or which hardwere are you using.

Genrally images are stored in external memory.
ADI's Blackfin puts capture image in SDRAM.

Regards,
Naresh.

  ----- Original Message ----- 
  From: univmercury 
  To: a...@yahoogroups.com 
  Sent: Friday, September 14, 2007 8:51 AM
  Subject: [adsp] How CMOS sensor capture images?
  Hi all,

  I'm doing a project on image processing. I use the CMOS sensor to
  capture the images. In the cmos sensor main function, I only find the
  Initialization PLL, EBIU, SDRAM, then the I2C Init, and some I2C read
  & write registers. then the DMA&PPI init, but when the DMA transfer
  starts? and where it put the data?

  I'm a newbie in DSP, I just have a little sence in Visual DSP++.

  Thank you in advance.
  Haifeng


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Re: How CMOS sensor capture images? - "Diego A. Botero G." - Sep 14 16:52:30 2007

Hello
Look the ee-258 Engineer to engineer note 258.

Interfacing Micron MT9V022 Image sensors to Blackfin Processors.
Good Luck.

2007/9/13, Naresh Patel <n...@waveletgroup.com>:
>
>    Hi,
> Which processor are you using or which hardwere are you using.
>
> Genrally images are stored in external memory.
> ADI's Blackfin puts capture image in SDRAM.
>
> Regards,
> Naresh.
> ----- Original Message -----
> *From:* univmercury <u...@yahoo.com.cn>
> *To:* a...@yahoogroups.com
> *Sent:* Friday, September 14, 2007 8:51 AM
> *Subject:* [adsp] How CMOS sensor capture images?
>
> Hi all,
>
> I'm doing a project on image processing. I use the CMOS sensor to
> capture the images. In the cmos sensor main function, I only find the
> Initialization PLL, EBIU, SDRAM, then the I2C Init, and some I2C read
> & write registers. then the DMA&PPI init, but when the DMA transfer
> starts? and where it put the data?
>
> I'm a newbie in DSP, I just have a little sence in Visual DSP++.
>
> Thank you in advance.
> Haifeng
>

-- 
Att.
Ing. Diego Andrés Botero Galeano
BSB Ingeniería.
Bogota - Colombia.


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