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Altera_Forum's avatar
Altera_Forum
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10 years ago

Problem with SDRAM controller and VGA controller in DE1

Hi all, I want display image which stored in SDRAM through VGA in DE1. I use Qsys to do this and Control Panel to store image file bmp (already cut header) 640 x 480 in SDRAM I already read m...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
10 years ago

Implement a simple test pattern to start testing with. Even displaying a solid color screen correctly will help you eliminate problems with video timing. Once that is correct move on to displaying memory. I'd suggest doing standard memory tests with your SDRAM before you attempt to display an image. This will verify you have the memory controller working.