I did LCD attempt with stm32 have a problem.

[xavius]

Posted on April 17, 2011 at 09:50

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[Tesla DeLorean]

Posted on April 17, 2011 at 15:54

That's all great, but have you tried all the troubleshooting steps?

Is the E pulse at least 450ns, because you have no delay or control over it's width in your code? Stick a scope on it and check.

For a gross check, you could add some delays between all you pin transitions.

[xavius]

Posted on April 17, 2011 at 17:26

Hi

My application worked after connected smt32's ground and LCD's (I'm supplying my LCD with external +5V) ground they are at the same point.

http://hotfile.com/dl/114791226/1badc8b/Video0015.3gp.html

 --> application video.