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  Topic: A numeric expression must appear here
peaps

Replies: 14
Views: 41587

PostForum: General CCS C Discussion   Posted: Fri Oct 10, 2008 2:43 pm   Subject: A numeric expression must appear here
It might be '\n' characters that get printed to the LCD. I had this same problem.
  Topic: Flexible LCD driver
peaps

Replies: 102
Views: 1071659

PostForum: Code Library   Posted: Sat Oct 04, 2008 10:40 am   Subject: Flexible LCD driver
I have found out what the problem is, and frankly, I am surprised that no one else has come across this before. This problem also exists with the CCS lcd.c driver that ships with the compiler.

The ...
  Topic: lcd_putc() functionality
peaps

Replies: 6
Views: 14585

PostForum: General CCS C Discussion   Posted: Sat Oct 04, 2008 9:13 am   Subject: lcd_putc() functionality
I see. Thanks both for the input.

Not sure if this is a good thing or not really. Doesn't make porting to a different compiler/architecture any easier.

Andy
  Topic: lcd_putc() functionality
peaps

Replies: 6
Views: 14585

PostForum: General CCS C Discussion   Posted: Sat Oct 04, 2008 3:34 am   Subject: lcd_putc() functionality
The general valid syntax is printf(putc,string).

I don't understand this. How does that work? How are you meant to be able to write code when there is some compiler magic going on in the background ...
  Topic: lcd_putc() functionality
peaps

Replies: 6
Views: 14585

PostForum: General CCS C Discussion   Posted: Fri Oct 03, 2008 7:07 am   Subject: lcd_putc() functionality
I am bemused as to how this function is able to print strings. The definition of the function clearly accepts a char, not a char pointer and there is no looping within the function to parse an array o ...
  Topic: Flexible LCD driver
peaps

Replies: 102
Views: 1071659

PostForum: Code Library   Posted: Mon Sep 29, 2008 1:25 pm   Subject: Flexible LCD driver
Just tried the CCS driver lcd.c, but still getting weird char at a \n.

Similar code still...
#include <16f819.h>
#use delay(clock=1000000)
#include <lcd.c>
#fuses INTRC_IO, ...
  Topic: BYTE and BOOLEAN variables
peaps

Replies: 4
Views: 12510

PostForum: General CCS C Discussion   Posted: Mon Sep 29, 2008 1:15 pm   Subject: BYTE and BOOLEAN variables
Hmm. I have just added the line:

#define use_portb_lcd TRUE

And now it compiles. Is it falling over on the line that says:

#locate lcd = getenv("sfr:PORTD")

because P ...
  Topic: BYTE and BOOLEAN variables
peaps

Replies: 4
Views: 12510

PostForum: General CCS C Discussion   Posted: Mon Sep 29, 2008 1:03 pm   Subject: BYTE and BOOLEAN variables
Thanks for the quick replies..

The code I am using (attempting to get lcd.c to work) is:

#include <16f819.h>
#use delay(clock=1000000)
#include <lcd.c>
#fuses INTRC_IO, N ...
  Topic: Flexible LCD driver
peaps

Replies: 102
Views: 1071659

PostForum: Code Library   Posted: Tue Sep 16, 2008 4:02 pm   Subject: Flexible LCD driver
Hi, thanks for the reply.

I have tried connecting the R/W pin to the LCD module, increasing the delay from 60us to 500us and reducing the clock speed of the PIC to 1Mhz, but unfortunately I still g ...
  Topic: Flexible LCD driver
peaps

Replies: 102
Views: 1071659

PostForum: Code Library   Posted: Mon Sep 15, 2008 3:58 pm   Subject: Flexible LCD driver
1. Display is made by: Orient Display Co. Ltd., part no. OD-DM1602F.
2. Compiler version: 4.013

3. LCD pin defines:

#define LCD_DB4 PIN_B3
#define LCD_DB5 PIN_B2
#define LCD_DB6 PIN_B1 ...
  Topic: Flexible LCD driver
peaps

Replies: 102
Views: 1071659

PostForum: Code Library   Posted: Mon Sep 15, 2008 3:26 pm   Subject: Flexible LCD driver
Hi,

I would like to mention a potential problem with this library, or maybe I'm doing something wrong..

When I use the \n newline I get a garbage character output to the LCD. I have tried using ...
 
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