http://forums.leaflabs.com/topic.php?id=512 A place to share, learn, and grow... en-US Fri, 22 Jan 2016 00:15:01 +0000 http://bbpress.org/?v=1.0.2 q http://forums.leaflabs.com/search.php http://forums.leaflabs.com/topic.php?id=512#post-2613 Tue, 16 Nov 2010 05:45:53 +0000 mbolivar 2613@http://forums.leaflabs.com/ <p>structuresound -- thanks for the patch. we'll test it out, and if all goes well, will include it in the next IDE release.</p> <p>bugtracker reference:<br /> <a href="http://code.google.com/p/leaflabs/issues/detail?id=42" rel="nofollow">http://code.google.com/p/leaflabs/issues/detail?id=42</a> </p> http://forums.leaflabs.com/topic.php?id=512#post-2611 Tue, 16 Nov 2010 05:23:56 +0000 structuresound 2611@http://forums.leaflabs.com/ <p>I've found that for my program I can't throw away 3ms per character write so I was able to get the timings down enough to meet my "requirements".</p> <p>Thought this might be useful to other folks / might be a good change to go into the next IDE verison.</p> <p>This mod to LiquidCrystal.cpp should get your code loop moving faster</p> <p>It's quite stable on my messy breadboard.</p> <pre><code>void LiquidCrystal::pulseEnable(void) { digitalWrite(_enable_pin, LOW); delayMicroseconds(12); //delay(1); // Maple lib digitalWrite(_enable_pin, HIGH); delayMicroseconds(12); // enable pulse must be &gt;450ns //delay(1); // Maple lib digitalWrite(_enable_pin, LOW); delayMicroseconds(80); // commands need &gt; 37us to settle //delay(1); // Maple lib }</code></pre>