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nurquhar
Joined: 05 Aug 2006
Posts: 149
Location: Redditch, UK
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| Internal Error - Contact CCS Hidden forward reference 315 f |
 Posted: Tue Feb 19, 2013 11:11 am |
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I am getting this error for PCH 4.133. The inclusion of "usb_cdc.h" seems to be the cause in this simple two file project. 
The usb_cdc.h is there because I want to use the usb in my application. I have cut it all down to this to demonstrate the problem.
i.e. I can compile it if I remove the second source file (readbat.c) and the reference to test(), or if I comment out the usb_cdc.h include.
Any ideas why it happens.  I guess I will have to go back to using "one" source file as per v3. 
| Code: | Executing: "C:\Program Files\PICCv4\Ccsc.exe" +FH "bug.c" +EXPORT +DF +LN +T +A +M +Z +Y=9 +EA
>>> Warning 203 "C:\Program Files\PICCv4\drivers\pic18_usb.c" Line 609(1,1): Condition always TRUE
N:\Projects\RonHaselden\Eyes\PIC\demo1\bug.o ===> 0 Errors, 1 Warnings.
Build Successful.
Executing: "C:\Program Files\PICCv4\Ccsc.exe" +FH "readbat.c" +EXPORT +DF +LN +T +A +M +Z +Y=9 +EA
N:\Projects\RonHaselden\Eyes\PIC\demo1\readbat.o ===> 0 Errors, 0 Warnings.
Build Successful.
Executing: "C:\Program Files\PICCv4\Ccsc.exe" +FH LINK="demo1.hex=bug.o,readbat.o" +DF +LN +T +A +M +Z +Y=9 +EA
*** Error 44 "demo1.c" Line 1(0,1): Internal Error - Contact CCS Hidden forward reference 315 from 249
1 Errors, 0 Warnings.
Build Failed.
Skipping link step. Not all sources built successfully.
BUILD FAILED: Tue Feb 19 16:57:58 2013
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Bug.c
| Code: |
#include <18F27J53.h>
#use delay(clock=48M)
#include <readbat.h>
#include <usb_cdc.h>
void main(void)
{
test();
}
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readbat.h
| Code: |
#ifndef __READBAT_H__
#define __READBAT_H__
void test() ;
//void ReadBGRef() ;
//int ReadBatSense() ;
// __READBAT_H__
#endif
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readbat.c
| Code: |
#include <18F27J53.h>
#use delay(clock=48M)
#include <readbat.h>
void test()
{
int a, b ;
a = 1 ;
b = a ;
}
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Ttelmah
Joined: 11 Mar 2010
Posts: 19553
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| Posted: Tue Feb 19, 2013 1:58 pm |
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You are trying to use functions across modules, but have not exported the functions or imported the functions.
Read the linker section of the manual, and look at the examples.
Best Wishes |
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nurquhar
Joined: 05 Aug 2006
Posts: 149
Location: Redditch, UK
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| Posted: Wed Feb 20, 2013 3:59 am |
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Ok I have looked at MCU.zip example and there is still something I am not understanding. 
I followed the instructions in "Using Multiple Compilation Units Guide.pdf" and built the project setup in MPLAB as per the step by step instructions. I ran build all and succesfully got it compile :
| Code: |
Executing: "C:\Program Files\PICCv4\Ccsc.exe" +FM "report.c" +EXPORT +DF +LN +T +A +M -Z +Y=9 +EA
C:\Temp\PIC\mcu\Example Files\report.o ===> 0 Errors, 0 Warnings.
Build Successful.
Executing: "C:\Program Files\PICCv4\Ccsc.exe" +FM "filter.c" +EXPORT +DF +LN +T +A +M -Z +Y=9 +EA
C:\Temp\PIC\mcu\Example Files\filter.o ===> 0 Errors, 0 Warnings.
Build Successful.
Executing: "C:\Program Files\PICCv4\Ccsc.exe" +FM "main.c" +EXPORT +DF +LN +T +A +M -Z +Y=9 +EA
C:\Temp\PIC\mcu\Example Files\main.o ===> 0 Errors, 0 Warnings.
Build Successful.
Executing: "C:\Program Files\PICCv4\Ccsc.exe" +FM LINK="MCU.hex=report.o,filter.o,main.o" +DF +LN +T +A +M -Z +Y=9 +EA
Memory usage: ROM=14% RAM=10% - 16%
0 Errors, 0 Warnings.
Build Successful.
Loaded C:\Temp\PIC\mcu\Example Files\MCU.cof.
BUILD SUCCEEDED: Wed Feb 20 09:08:22 2013
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So I now try to use "usb_cdc.h" in the main.c. To do this I make the following changes :
1. Change "configure" to use device "PIC18F27J52"
2. Add "#include <usb_cdc.h> " to main.c
3. Comment out "#include <16F877A.h>" and add #include <18F27J53.h> to project.h
4. Comment out #fuses in project.h
main.c :
| Code: |
#include "project.h"
#include "report.h"
#include "filter.h"
#include <stdlib.h>
#include <input.c>
#include <usb_cdc.h>
extern long report_line_number;
void main(void) {
..............
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project.h
| Code: |
//#include <16F877A.h>
#include <18F27J53.h>
//#fuses HS,NOWDT,NOPROTECT,NOLVP
#use delay(clock=20mhz)
#use rs232(BAUD=9600, UART1, STREAM=PC)
enum errors { err_range, err_too_far, err_too_many };
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OUTPUT
| Code: |
Clean: Deleting intermediary and output files.
Clean: Done.
Executing: "C:\Program Files\PICCv4\Ccsc.exe" +FH "report.c" +EXPORT +DF +LN +T +A +M -Z +Y=9 +EA
C:\Temp\PIC\mcu\Example Files\report.o ===> 0 Errors, 0 Warnings.
Build Successful.
Executing: "C:\Program Files\PICCv4\Ccsc.exe" +FH "filter.c" +EXPORT +DF +LN +T +A +M -Z +Y=9 +EA
C:\Temp\PIC\mcu\Example Files\filter.o ===> 0 Errors, 0 Warnings.
Build Successful.
Executing: "C:\Program Files\PICCv4\Ccsc.exe" +FH "main.c" +EXPORT +DF +LN +T +A +M -Z +Y=9 +EA
>>> Warning 203 "C:\Program Files\PICCv4\drivers\pic18_usb.c" Line 609(1,1): Condition always TRUE
C:\Temp\PIC\mcu\Example Files\main.o ===> 0 Errors, 1 Warnings.
Build Successful.
Executing: "C:\Program Files\PICCv4\Ccsc.exe" +FH LINK="MCU.hex=report.o,filter.o,main.o" +DF +LN +T +A +M -Z +Y=9 +EA
*** Error 44 "MCU.c" Line 1(0,1): Internal Error - Contact CCS Hidden forward reference 620 from 554
1 Errors, 0 Warnings.
Build Failed.
Skipping link step. Not all sources built successfully.
BUILD FAILED: Wed Feb 20 09:19:22 2013
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Still the same compiler error 
I also tried the command line "buildall.bat" method after changing +FM to +FH so it uses PCH. Still get the "ERROR".
buildall.bat
| Code: |
C:\Temp\PIC\mcu\Example Files>cbuildall.bat
C:\Temp\PIC\mcu\Example Files>"C:\Program Files\PICCv4\CCSC.exe" +FH +EXPORT rep
ort.c
C:\Temp\PIC\mcu\Example Files>"C:\Program Files\PICCv4\CCSC.exe" +FH +EXPORT fil
ter.c
C:\Temp\PIC\mcu\Example Files>"C:\Program Files\PICCv4\CCSC.exe" +FH +EXPORT mai
n.c
C:\Temp\PIC\mcu\Example Files>"C:\Program Files\PICCv4\CCSC.exe" +FH LINK="proje
ct.hex=report.o,filter.o,main.o"
C:\Temp\PIC\mcu\Example Files>
C:\Temp\PIC\mcu\Example Files>
C:\Temp\PIC\mcu\Example Files>type *.err
filter.err
No Errors
C:\Temp\PIC\mcu\Example Files\filter.o ===> 0 Errors, 0 Warnings.
Build Successful.
main.err
No Errors
C:\Temp\PIC\mcu\Example Files\main.o ===> 0 Errors, 0 Warnings.
Build Successful.
project.err
Error[44] project.c 1 : Internal Error - Contact CCS Hidden forward reference
620 from 554
1 Errors, 0 Warnings.
Build Failed.
report.err
No Errors
C:\Temp\PIC\mcu\Example Files\report.o ===> 0 Errors, 0 Warnings.
Build Successful.
C:\Temp\PIC\mcu\Example Files>
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nurquhar
Joined: 05 Aug 2006
Posts: 149
Location: Redditch, UK
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| Posted: Wed Feb 20, 2013 4:12 am |
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Ok I have looked at MCU.zip example and there is still something I am not understanding.
I followed the instructions in "Using Multiple Compilation Units Guide.pdf" and built the project setup in MPLAB as per the step by step instructions. I ran build all and succesfully got it compile :
| Code: |
Executing: "C:\Program Files\PICCv4\Ccsc.exe" +FM "report.c" +EXPORT +DF +LN +T +A +M -Z +Y=9 +EA
C:\Temp\PIC\mcu\Example Files\report.o ===> 0 Errors, 0 Warnings.
Build Successful.
Executing: "C:\Program Files\PICCv4\Ccsc.exe" +FM "filter.c" +EXPORT +DF +LN +T +A +M -Z +Y=9 +EA
C:\Temp\PIC\mcu\Example Files\filter.o ===> 0 Errors, 0 Warnings.
Build Successful.
Executing: "C:\Program Files\PICCv4\Ccsc.exe" +FM "main.c" +EXPORT +DF +LN +T +A +M -Z +Y=9 +EA
C:\Temp\PIC\mcu\Example Files\main.o ===> 0 Errors, 0 Warnings.
Build Successful.
Executing: "C:\Program Files\PICCv4\Ccsc.exe" +FM LINK="MCU.hex=report.o,filter.o,main.o" +DF +LN +T +A +M -Z +Y=9 +EA
Memory usage: ROM=14% RAM=10% - 16%
0 Errors, 0 Warnings.
Build Successful.
Loaded C:\Temp\PIC\mcu\Example Files\MCU.cof.
BUILD SUCCEEDED: Wed Feb 20 09:08:22 2013
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So I now try to use "usb_cdc.h" in the main.c. To do this I make the following changes :
1. Change "configure" to use device "PIC18F27J52"
2. Add "#include <usb_cdc.h> " to main.c
3. Comment out "#include <16F877A.h>" and add #include <18F27J53.h> to project.h
4. Comment out #fuses in project.h
main.c :
| Code: |
#include "project.h"
#include "report.h"
#include "filter.h"
#include <stdlib.h>
#include <input.c>
#include <usb_cdc.h>
extern long report_line_number;
void main(void) {
..............
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project.h
| Code: |
//#include <16F877A.h>
#include <18F27J53.h>
//#fuses HS,NOWDT,NOPROTECT,NOLVP
#use delay(clock=20mhz)
#use rs232(BAUD=9600, UART1, STREAM=PC)
enum errors { err_range, err_too_far, err_too_many };
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OUTPUT
| Code: |
Clean: Deleting intermediary and output files.
Clean: Done.
Executing: "C:\Program Files\PICCv4\Ccsc.exe" +FH "report.c" +EXPORT +DF +LN +T +A +M -Z +Y=9 +EA
C:\Temp\PIC\mcu\Example Files\report.o ===> 0 Errors, 0 Warnings.
Build Successful.
Executing: "C:\Program Files\PICCv4\Ccsc.exe" +FH "filter.c" +EXPORT +DF +LN +T +A +M -Z +Y=9 +EA
C:\Temp\PIC\mcu\Example Files\filter.o ===> 0 Errors, 0 Warnings.
Build Successful.
Executing: "C:\Program Files\PICCv4\Ccsc.exe" +FH "main.c" +EXPORT +DF +LN +T +A +M -Z +Y=9 +EA
>>> Warning 203 "C:\Program Files\PICCv4\drivers\pic18_usb.c" Line 609(1,1): Condition always TRUE
C:\Temp\PIC\mcu\Example Files\main.o ===> 0 Errors, 1 Warnings.
Build Successful.
Executing: "C:\Program Files\PICCv4\Ccsc.exe" +FH LINK="MCU.hex=report.o,filter.o,main.o" +DF +LN +T +A +M -Z +Y=9 +EA
*** Error 44 "MCU.c" Line 1(0,1): Internal Error - Contact CCS Hidden forward reference 620 from 554
1 Errors, 0 Warnings.
Build Failed.
Skipping link step. Not all sources built successfully.
BUILD FAILED: Wed Feb 20 09:19:22 2013
|
Still the same compiler error
I also tried the command line "buildall.bat" method after changing +FM to +FH so it uses PCH. Still get the "ERROR".
buildall.bat
| Code: |
C:\Temp\PIC\mcu\Example Files>cbuildall.bat
C:\Temp\PIC\mcu\Example Files>"C:\Program Files\PICCv4\CCSC.exe" +FH +EXPORT rep
ort.c
C:\Temp\PIC\mcu\Example Files>"C:\Program Files\PICCv4\CCSC.exe" +FH +EXPORT fil
ter.c
C:\Temp\PIC\mcu\Example Files>"C:\Program Files\PICCv4\CCSC.exe" +FH +EXPORT mai
n.c
C:\Temp\PIC\mcu\Example Files>"C:\Program Files\PICCv4\CCSC.exe" +FH LINK="proje
ct.hex=report.o,filter.o,main.o"
C:\Temp\PIC\mcu\Example Files>
C:\Temp\PIC\mcu\Example Files>
C:\Temp\PIC\mcu\Example Files>type *.err
filter.err
No Errors
C:\Temp\PIC\mcu\Example Files\filter.o ===> 0 Errors, 0 Warnings.
Build Successful.
main.err
No Errors
C:\Temp\PIC\mcu\Example Files\main.o ===> 0 Errors, 0 Warnings.
Build Successful.
project.err
Error[44] project.c 1 : Internal Error - Contact CCS Hidden forward reference
620 from 554
1 Errors, 0 Warnings.
Build Failed.
report.err
No Errors
C:\Temp\PIC\mcu\Example Files\report.o ===> 0 Errors, 0 Warnings.
Build Successful.
C:\Temp\PIC\mcu\Example Files>
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Ttelmah
Joined: 11 Mar 2010
Posts: 19553
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| Posted: Wed Feb 20, 2013 10:16 am |
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I've just done the same. Took the MCU example, modified it for your chip (you need fuses....). Added usb_cdc.h, and calls to usb_init, usb_task, and usb putc.
Compiled it with 4.118, 4.137, and 4.140, and all happily compiled it. Tried both with the batch files, and from the IDE. I'd suspect part of your install is corrupt. Haven't got 4.134, maybe there was a problem with that release.
Best Wishes |
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nurquhar
Joined: 05 Aug 2006
Posts: 149
Location: Redditch, UK
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| Posted: Wed Feb 20, 2013 11:06 am |
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Well it must be some snafu with 4.133 rather than something I didn't know about multi unit compiling.
I install 4.129, buildall.bat works correctly :
| Code: |
C:\Temp\PIC\mcu\Example Files>"C:\Program Files\PICCv4\CCSC.exe" +V
C:\Temp\PIC\mcu\Example Files>cbuildall
C:\Temp\PIC\mcu\Example Files>"C:\Program Files\PICCv4\CCSC.exe" +FH +EXPORT rep
ort.c
C:\Temp\PIC\mcu\Example Files>"C:\Program Files\PICCv4\CCSC.exe" +FH +EXPORT filter.c
C:\Temp\PIC\mcu\Example Files>"C:\Program Files\PICCv4\CCSC.exe" +FH +EXPORT mai
n.c
C:\Temp\PIC\mcu\Example Files>"C:\Program Files\PICCv4\CCSC.exe" +FH LINK="proje
ct.hex=report.o,filter.o,main.o"
C:\Temp\PIC\mcu\Example Files>type *.err
filter.err
No Errors
C:\Temp\PIC\mcu\Example Files\filter.o ===> 0 Errors, 0 Warnings.
Build Successful.
main.err
No Errors
C:\Temp\PIC\mcu\Example Files\main.o ===> 0 Errors, 0 Warnings.
Build Successful.
project.err
No Errors
0 Errors, 0 Warnings.
Build Successful.
report.err
No Errors
C:\Temp\PIC\mcu\Example Files\report.o ===> 0 Errors, 0 Warnings.
Build Successful.
C:\Temp\PIC\mcu\Example Files>
CCS PCH C Compiler, Version 4.129, 61227 20-Feb-13 16:48
Filename: C:\Temp\PIC\mcu\Example Files\project.lst
ROM used: 6328 bytes (5%)
Largest free fragment is 65528
RAM used: 454 (12%) at main() level
498 (13%) worst case
Stack: 12 worst case (3 in main + 9 for interrupts)
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Re-installing 4.133 :
| Code: |
C:\Temp\PIC\mcu\Example Files>cbuildall
C:\Temp\PIC\mcu\Example Files>"C:\Program Files\PICCv4\CCSC.exe" +FH +EXPORT rep
ort.c
C:\Temp\PIC\mcu\Example Files>"C:\Program Files\PICCv4\CCSC.exe" +FH +EXPORT fil
ter.c
C:\Temp\PIC\mcu\Example Files>"C:\Program Files\PICCv4\CCSC.exe" +FH +EXPORT mai
n.c
C:\Temp\PIC\mcu\Example Files>"C:\Program Files\PICCv4\CCSC.exe" +FH LINK="proje
ct.hex=report.o,filter.o,main.o"
C:\Temp\PIC\mcu\Example Files>type *.err
filter.err
No Errors
C:\Temp\PIC\mcu\Example Files\filter.o ===> 0 Errors, 0 Warnings.
Build Successful.
main.err
No Errors
C:\Temp\PIC\mcu\Example Files\main.o ===> 0 Errors, 0 Warnings.
Build Successful.
project.err
Error[44] project.c 1 : Internal Error - Contact CCS Hidden forward reference
620 from 554
1 Errors, 0 Warnings.
Build Failed.
report.err
No Errors
C:\Temp\PIC\mcu\Example Files\report.o ===> 0 Errors, 0 Warnings.
Build Successful.
C:\Temp\PIC\mcu\Example Files>
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