Big Digits on 4x20 LCD

[andymuller]

Hello Heckler,

Thank you in advance for sharing this valuable routine.

I have some questions:


Would you please let me know if I want to add a point between 1st and 2nd digits? I'd like to show pressure by this method, so would you please modify your source code for this purpose? And how about the "R/w" pin of LCD? Can you please draw a simple diagram on and attach here? Honestly, I cannot understand how you would write your new-design characters inside LCD,

I would deeply appreciate you, if you enforce the answer please.

Kind regards,

Andy

[Heckler]

Hi Andy,

Well, as you can see it has been a full year since I posted that code.
I would have to spend several hours studying it to make suggestions that you request.

Have you tried to load it up and see if you can make it work as is? Just as a starting point?
As to your question about the R/W pin of the lcd... I was using an LCD with Serial backpack.
If you don't know what that is take a look here...
http://store.melabs.com/cat/displays.html
So if you go that route then you will not have to worry about the R/w line.
They sell just the backpack if you have your own lcd.
these are VERY handy for prototyping and testing code because they can be written to via a SEROUT command.

It should work with a regular LCD also just follow the example in the PBP manual as a starting point.

The real way to learn is to study and try and modify a small portion of the code or the font data table and see what it does.

They sell just the backpack if you have your own lcd.
these are VERY handy for prototyping and testing code because they can be written to via a SEROUT command.

My suggestion is that you load the code up in Microcode studio... or even better is the IDE called FineLine as it allows you to visualize the various subroutines and loops very well.

Give the code a try and then ask questions.

It is very easy to just copy the code above and past it into your IDE and study it there. Then it will be color coded and easier to read.

If you havent tried FineLine then give it a try.

Just search the forum here for FineLine as the author is a regular here and you should be able to find a link to down load it.

good luck

[andymuller]

I would have to spend several hours studying it to make suggestions that you request.

... I was using an LCD with Serial backpack.

Hi Heckler,

I hope it finds you well.

Thank you for your kind replying here.

I really appreciate you in advance for your support.

My suggesstion is to modify your written routine under my Microcode studio and just assign a pin for "R/w". and using LCDIN command for writing in LCD's RAM and so on. Because I should work with usual LCDs. I think I should all these two headers

DEFINE LCD_RWREG PORTE ' LCD read/write pin port
DEFINE LCD_RWBIT 2 ' LCD read/write pin bit

What do you think Sir?

After I received your help, if my suggestion be right, it seems, it would be easy to fix this section. But now, I am hardly busy at something else, a damn PID routine for pressure control. and honestly I cannot focus on anything else. My mind is 100% busy

May I very kindly ask you twice to take a look again at your valuable work and give me some points/remedy for implementing a dot, between 1st and 2nd numbers (from left side)?

I really appreciate you in advance for your support.

I would never forget your kind help.

Best regards,

Andy