Accessing image stored in SDRAM sent through PCIex from Intel Atom host on DE2i-150

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You can use the Frame Reader component, as you have already included in your system.

It will read the image data from SDRAM and supply it in Avalon-ST stream format to your (new) IP block which can then process it.

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Thanks for your reply=)

I will try on it.

BTW, this is actually a demo given in the DE2i-150 CD. (...\de2i-150\Demonstrations\FPGA\PCIE_Display)

It seems like this demo can't read the data from SDram and write data to SDram at the same time..

Is there any way to do simultaneous read/write operation on SDram?

https://www.alteraforum.com/forum/attachment.php?attachmentid=8842