I2C LCD 16x2 Pic16f628 Code

[DaveBig]

I2C LCD 16x2 Pic16f628 Code

I have I2C attached to LCD 16x2 using Pic16f628, internal OSC 4Mhz, DSA on B.1, SLC on B.2, LED on B.5 for Blink at the end, there are 4.7k pull up resistors on the expansion board. I am not getting anything readable. The hardware verified with the Arduino uno "Nice display". I am looking for some simple code that gives something readable to be able to change around to study changes.

[richard]

I am looking for some simple code

its a frequently asked question
a quick forum search yields
https://www.picbasic.co.uk/forum/sho...CD-help-needed
https://www.picbasic.co.uk/forum/sho...rduino-I2C-LCD
http://www.picbasic.co.uk/forum/show...-PICBASIC-help

[DaveBig]

I have gone through all those posts that I thought were remotely pertinent. I have tried all the code available in those posts. I have changed every variable possible that I know to try. I don’t understand the details of insertion of the code and variables but somewhat I think the concept. Do I need to learn C first or something else to figure this out? I have not posted any of my code because it has no viability. I have spent countless hours on this. Any information would be much appreciated.

[richard]

There a a few variants of backpack lcd's there are pcf8574 ones and pcf8574a ones. they have different i2c address' ranges.
there are at least two differently wired versions also.
there are also dfrobot lcds that look similar but are completely different.

The hardware verified with the Arduino uno "Nice display"

so what settings from arduino were used to get that result ?

Do I need to learn C first or something else to figure this out?

C has nothing to do with it , first step is know what the actual hardware is and its i2c address and how its configured

I have not posted any of my code because it has no viability.

so nobody has any idea of what you are trying and can not possibly see where you have gone wrong
do post your best effort