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Hagar



Joined: 15 Nov 2008
Posts: 1

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PostPosted: Sat Nov 15, 2008 7:27 pm     Reply with quote
Hi all!

I'm trying to use CCS (version 3.249) to build some code for a PIC18F8680. I'd like to code
dividing the code in "modules", where each module would have a header file
(.h) and a source file (.c). I have always coded this way with 8051, MSP and
others devices, but I just can't figure out what I'm doing wrong with CCS.
Any idea? Thank you so much!
Below the code I'm using to test and the error message I'm getting.

File: main.c
--------------

Code:

#include <18F8680.h>
#include "SerialI2C.h"

//Microcontroller configuration bits
#fuses HS,NOOSCSEN,NOPROTECT,NOCPD,NOLVP,MCLR,PUT,BROWNOUT,BORV42,WDT,WDT256   
#use delay(clock=20000000)   

void initPeripherals(void);

void main(void)
{
   initPeripherals();
   I2C_init();   
   while(1)
   {
      delay_ms(50);         
   }
}

void initPeripherals(void)
{
   
}



File SerialI2C.h:
------------------

Code:

#ifndef _SERIAL_I2C_
#define _SERIAL_I2C_

void I2C_init(void);

#endif //_SERIAL_I2C_


File SerialI2C.c:
-------------------

Code:

#include "SerialI2C.h"

void I2C_init(void)
{
    
}


Build message:
-----------------

Executing: "C:\Arquivos de programas\PICC\Ccsc.exe" +FH "main.c" +EXPORT I+="C:\Dashboard\Dashboard_fw2" +DF +LN +T -A +M -Z +Y=0 +EA
>>> Warning 203 "C:\Dashboard\Dashboard_fw2\main.c" Line 27(1,1): Condition always TRUE
C:\Dashboard\Dashboard_fw2\main.o ===> 0 Errors, 1 Warnings.
Executing: "C:\Arquivos de programas\PICC\Ccsc.exe" +FH "SerialI2C.c" +EXPORT I+="C:\Dashboard\Dashboard_fw2" +DF +LN +T -A +M -Z +Y=0 +EA
*** Error 128 "C:\Dashboard\Dashboard_fw2\SerialI2C.h" Line 4(1,2): A #DEVICE required before this line
C:\Dashboard\Dashboard_fw2\SerialI2C.o ===> 1 Errors, 0 Warnings.
Skipping link step. Not all sources built successfully.
BUILD FAILED: Sat Nov 15 21:42:03 2008
PCM programmer



Joined: 06 Sep 2003
Posts: 21708

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PostPosted: Sat Nov 15, 2008 7:48 pm     Reply with quote
See the following links:

How to use multiple source files with MPLAB:
http://www.ccsinfo.com/forum/viewtopic.php?t=34046

More detailed information on using multiple files with MPLAB.
Read all the links in this thread:
http://www.ccsinfo.com/forum/viewtopic.php?t=32221
Ttelmah
Guest
PostPosted: Sun Nov 16, 2008 3:22 am     Reply with quote
Also, the obvious thing that the configuration stuff needs to be before your own includes. So the order must be:
Code:

//Select processor
#include <18F8680.h>
//Configure processor
#fuses HS,NOOSCSEN,NOPROTECT,NOCPD,NOLVP,MCLR,PUT,BROWNOUT,BORV42,WDT,WDT256   
//Setup timings
#use delay(clock=20000000)   

//Now include your modules
#include "SerialI2C.h"


There is a lot of 'basic' stuff in the CCS code, which _requires_ the configuration data to be present (almost everything!. - serial handling, timings, etc. etc.).

Best Wishes
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