PyroElectro.com

newbie1 · Newbie Pyro Joined: 19 May 2008 Posts: 3

Hi there,
just wondering how you can pass variables into the LCD program. So if you measure a temp, you want that temp to be displayed in the LCD right? So how do you pass a variable into it? Just wondering off hand, but do you know how you would do it in PIC C Hi-Tech compiler also?
Thanks.
Newbie1.

ThePyroElectro · Posted: Tue Mar 10, 2009 10:45 am Post subject:

Hey,

The best thing to do would be to take a look through this tutorial:
http://www.pyroelectro.com/tutorials/pic_lcd/index.html

Then once you understand using LCD's, use the functions in that tutorial to create your own function for updating the LCD (however you want it to look) with the temperature. The Display Character and Send Command functions should be enough for you to do dynamic display updates.

Take a look through the HD44780 datasheet to get a better handle on lcd's themselves and you'll find shortcuts you can take while programming with it.

a21 · Newbie Pyro Joined: 27 Mar 2009 Posts: 1

Hi,
I am trying to write the value of adresh and adresl to the lcd with your functuion, but nothing happens. Also I tried to write integer values and it can't. Tried to cast form integer to char*, tried itoa(), but nothing helps. How can I do that.

ThePyroElectro · Posted: Mon Apr 27, 2009 5:12 am Post subject:

I'd like to help you out but you need to be more specific. Adresh and Adresl aren't in my code, where did you get those from?

What do you need to use itoa()?

minalpatel · Newbie Pyro Joined: 01 Jul 2009 Posts: 1

Hi, i am doing with mplab C18 p18f4550 demo board. i want to interface lcd 16*2.i read tutorial and done hardware but i can't do with software. please can u help me. i looked ur software but i did not get it.

jokero0o · Newbie Pyro Joined: 27 Sep 2009 Posts: 5

HI pyroelectro

I am facing the same question. I have a sensor and I am trying to display the voltage level from the sensor on LCD. DO u familiar with ADC ? Please help me on this.

8vision · Newbie Pyro Joined: 11 Sep 2009 Posts: 2

hi..
i need help for my project, how can i display the sensor value to 16X2 LCD..

your lcd tutorial doesn't provide begin and end code..
can i have them? cause i'm really bad at programming,

then also, i need help to learn programing..
can you suggest a link that will help a fresh-starter....

for your info, i only learn basic C++.. it really take time to program the PIC..
thanks inadvance

ThePyroElectro · Posted: Tue Dec 29, 2009 8:08 am Post subject:

To display an ADC value onto a 16x2 LCD character display, use one of the itoa (integer to alpha-character) functions provided by the C programming language.

This will make a string of the resulting integers from the A/D conversion.