In SX Microcontrollers, SX/B Compiler and SX-Key Tool, JonnyMac wrote:

Brian,

It must be something simple -- I created that program and had it working in a couple hours and have built it up many times.  I will respectfully disagree with PJ, though, as 4-bit mode is a pain in the backside and actually makes things more difficult.

I've attached an updated version of the help file serial LCD (this is part of my Practical SX/B project).  Note, though, that this version is SEETRON compatible on the serial side, that is, it uses inverted comms.  If you want true mode comms simply use a pull-up on the serial line and change the Baud constant to OT9600.  This version of the program does indeed  monitor the busy flag which.

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