How to config fram buffer?

gwlee2 · ‎2005-04-25

Posted on April 26, 2005 at 07:50

gwlee2 · ‎2005-04-25

Posted on April 26, 2005 at 05:39

I realize video pipeline now.

Source set to off screen frame buffer(0x08000000) and destination set to on screen frame buffer(0x08800000).

How divide frame buffer to off screen frame buffer and on screen frame buffer?

What register must be set?

Please teach me!!

Thank you.

twitwity · ‎2005-04-25

Posted on April 26, 2005 at 07:50

you can have sample code in Products-support files-STPC .

find Graphic dev kit. (GTK14.gz, .zip)

it is very like BitBlt engine in video accellerator or Data streamer in Equator's MapBsp. it is memory to memory DMA.

so if you are familiar with DMA data exchange, it is a lot similar.

read the sample code carefully because it may have different realizations among particular hardware architecture. the procedure may consists of setting start address, destination address, move count. one thing to remember is the video data format according to video standards or color space.

refer to the sample codes and related header definitions..