lcd resolution problem

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lcd resolution problem

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lpcware
NXP Employee
NXP Employee
Content originally posted in LPCWare by jalila211 on Fri Feb 21 07:17:31 MST 2014
hi
i design a board with lpc1788 and use lcd controller for driving 15" lcd in 1024*768 resolution. by modifying CMSIS library example i can drive this lcd in 320*240 and every thing is ok. but when i change the setting to make higher resolution like 640*480 my logo image is not showed correctly. although the cursor is showed ok. in memory windows i set the one pixel color manually to red and seen that two pixel showed in screen! can any body help me?

Original Attachment has been moved to: code.rar

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lpcware
NXP Employee
NXP Employee
Content originally posted in LPCWare by Pacman on Tue Mar 11 06:23:55 MST 2014
You're probably setting it to a 4-bit-per-pixel resolution.
That means... writing a single byte to an address in the screen area will change two pixels at the same time.
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