I am having trouble getting my LCD Display to work in 8 bit IO using WebbotLib.
I am using an Axon II and a HD44780 and a 6V regulated power supply (see below for all related links). I am using current versions of Project Designer to lay out the project. I have tried using Webbotlib v1 and v2 with C only and with C++.
I have no trouble getting 4 bit IO mode to work with my LCD display, although I have to tie the R/W pin to ground or I have problems with the output flickering.
When I duplicate the project with 8 bit IO mode, I get no output at all. I have double checked all my wiring and the only difference is the 4 additional data lines (have tried with the R/W pin tied to ground and tied to the Axon). The code is virtually unchanged between the two (minus the background changes made by Project Designer and the different versions of WebbotLib).
I would appreciate any suggestions.
Related Links:Axon IIHD44780 - 20x4 Character LCD DisplayAdjustable Breadboard Power SupplyWebbotLibProject Designer