Hi Brent,

Thanks for your help!  Unfortunately, I don't have any C compiler for the
PIC.  I just use MPLAB.

Thomas


>From: "Brent A. Crosby" <brent@CRYSTALFONTZ.COM>
>Reply-To: pic microcontroller discussion list <PICLIST@MITVMA.MIT.EDU>
>To: PICLIST@MITVMA.MIT.EDU
>Subject: Re: [PIC]: Display Method.  Need help!
>Date: Thu, 26 Jul 2001 16:53:16 -0700
>
>Thomas:
>
>   Use the LCD's "set address" to move to the appropriate coordinates, then
>just write the 3 bytes. Here is some code:
>
>//============================================================================
>void LCD_Position_Cursor(ubyte x, ubyte y)
>   {
>   //Valid x is 0-15, valid y is 0-1
>   if((x<=15)&&(y<=1))
>     Write_LCD_Control(0x80|(y<<6)|x);
>   }
>//============================================================================
>//Prints a 3 character string of input at the current location.
>void LCD_put_dec(ubyte input)
>   {
>   ubyte
>     digit;
>   ubyte
>     no_blank;
>   digit=input/100;
>   if(digit)
>     {
>     Write_LCD_Data(digit+'0');
>     no_blank=1;
>     }
>   else
>     {
>     Write_LCD_Data(' ');
>     no_blank=0;
>     }
>   input%=100;
>   digit=input/10;
>   if(digit|no_blank)
>     Write_LCD_Data(digit+'0');
>   else
>     Write_LCD_Data(' ');
>   Write_LCD_Data(input%10+'0');
>   }
>//============================================================================
>
>
>| Brent A. Crosby
>| Crystalfontz America, Incorporated
>| 15611 East Washington Road
>| Valleyford, WA 99036-9747
>| brent@crystalfontz.com http://www.crystalfontz.com
>| voice (509) 291-3514 fax (509) 291-3345 US toll-free (888) 206-9720
>
>
>On Thu, 26 Jul 2001 23:28:25 +0000, Thomas N wrote:
> >I am using the PIC16F877 with an 16x2 LCD module.  I am trying to display
> >the A/D results on the LCD, 4 numbers per each row.
> >
> >What I did is that I set aside 32 bytes of memory and each byte of memory
> >represents one ASCII character on the LCD (16 bytes for Line 1 and the
> >others for Line2).  Then I store the A/D results in appropriate
>"coordinate"
> >in the memory.  After that, I "copy" the entire memory block (the 32
>bytes
> >block) to the LCD.  Whenever I want to update a certain A/D number, I go
>to
> >its memory location and update the number, then do the "copy" to the LCD
> >again.
> >
> >Is there a better way to do this?  There must be...
> >
> >Another "pain" I have to go through is to convert the A/D number to
>ASCII.
> >Let say the A/D result is 173 decimal, I have to separate number 1,
>number
> >7, and number 3.  Then covert them to ASCII, then store them in the
>memory
> >block, then copy the memory block to the LCD.
> >
> >There must be a better way to do this too, right?
> >
> >Thank you in advance!
> >Thomas
>
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>
>


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