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LCD 20*4 and locate

Topic last updated 20 Dec 2009, by Vlad Cazan. 3 replies
Vitor M
20 Dec 2009

Hi, I have now my mbed and i´m working with this powerfull toy :)

I found some lack in the LCD, the locate can only be used  in 16*2 LCD, can some expert fix it to the locate work for a 20*4 LCD?

 

 

Tanks

Vlad Cazan
20 Dec 2009

TextLCD lcd(p24, p25, p26, p27, p28, p29, p30,20,4); // rs, rw, e, d0, d1, d2, d3


The last two digits are used for the columns and rows of your LCD screen, since you are using a 20 X 4, these values should be 20 and 4

Vitor M
20 Dec 2009 . Edited: 20 Dec 2009

Tanks for reply, I have already done that, but does not work well for rows 2 and 3 only for 0 and 1

Vlad Cazan
20 Dec 2009

You should run Simons LCD test in this forum http://mbed.org/forum/topic/195/?page=1#comment-802

and add your results.