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AM1808 Exp Kit LCDC problem?

zcoban
Prodigy 90 points
Other Parts Discussed in Thread: AM1808

Hi,

We are developing a project on Am1808 Experimenter kit from LogicPD. We are running vxWorks OS and use 4.3" WQVGA Lcd ( 480x272x16 bit ) that comes with the kit.

In our Lcd driver software, we allocate a memory region for frame buffer (using single frame buffer). We can print some colors on the Lcd but we cannot print the first line on Lcd.

The written color data to frame buffer that supposed to be appear on second line, appears on first line on Lcd.

And, the written color data to last pixel (480, 272) appears on (480, 271) pixel and 272nd line is filled with the written color data to pixel (480, 272). When we dump the frame buffer, the pixel data seems to be written to right memory address, and no color data to fill a line with that color.

Can you offer something to fix this problem?

Thanks...