I'm using webbotlib v2.08 c++ to work with a HD44780 compatible display (link
) and I'm getting two full rows of rectangles.
I have it wired up same as I planned in the project designer and when I don't have the data lines connected, it only shows the one row of rectangles as expected.
I've tried both 4 and 8 control line modes on the LCD but the result is the same. I only see the rectangles on both lines.
Using the display.clear() or display.print( ... ) functions don't cause any change in the display. Once the axon/webbotlib inits the LCD, I've got the two lines.
Adjusting the contrast pot doesn't help either. I get the rectangles or nothing.
I noticed that there was one issue in a recent version of webbotlib (topic
), but it sounds like I'm having a different one.
I tested the device on my Arduino board and can verify the display works.
Update: Tried with .08 and same issue.