It works!! Thank you again very much for your help,
Andrew
Thomee Wright <[EMAIL PROTECTED]> wrote in message
news:19791@palm-dev-forum...
>
> In the .h file that is included by both, put in "extern UInt16
> SerialRefNum;", then put the actual "UInt16 SerialRefNum;" in _only_ one
of
> the .c files (wherever it seems to fit best; which file you declare it in
is
> really just a style question, and won't affect functionality).
>
> -Thomee Wright-
>
> "Andrew Lathrop" <[EMAIL PROTECTED]> wrote in message
> news:19785@palm-dev-forum...
> >
> > Thanks Thomee. That did appear to be my error. Another question on the
> > same topic, how do i use variables between the modules? For instance, i
> > create UInt SerialRefNum in the main.c file. I then need to use it in
the
> > char.c file. If i declare it again in the char.c file, the compiler
tells
> > me it was already declared in main.c. If i don't, it says the variable
> was
> > an undefined identifier. I tried to delcare it in a header file that
was
> > included in both c files, but i then got an incorrect use of header
> message.
> > Any ideas? Thanks
> > Andrew
> > Thomee Wright <[EMAIL PROTECTED]> wrote in message
> > news:19647@palm-dev-forum...
> > >
> > > I can't see any problems with it right off, but your description of
the
> > > error was pretty vague. If you could include the actual text of the
> error
> > > message (esp. line numbers), that would help. A problem that it looks
> > like
> > > you haven't seen yet but will is that chars.c needs to include any
> > relevant
> > > .h files as well, or you will get errors when trying to call any
PalmOS
> > > function, and when trying to refer to any of your resources that are
> > defined
> > > in Test_res.h. (Maybe this is your problem, and I just misunderstood
> your
> > > description of the error).
> > >
> > > -Thomee Wright-
> > >
> > > "Andrew Lathrop" <[EMAIL PROTECTED]> wrote in message
> > > news:19607@palm-dev-forum...
> > > >
> > > > Im trying to split my larger program into several modules. I know
you
> > need
> > > > to make the header file, and then include the header in both the
main
> c
> > > file
> > > > and the file you made the header for. I can't get mine to quite work
> out
> > > > right. I have tried changing the declarations in the header to
> extern,
> > > > removing the identifiers, and other things i cna think of, but i
still
> > get
> > > > errors. I enclosed the header file, as well as the c file. The way
> it
> > > > currently is, i get error messages looking for a ) in the
declarations
> > in
> > > > the header after the identifier, and that it is looking for an
> identifer
> > > > after the closing ) that already is there. Any advice is greatly
> > > > appreciated. Thanks
> > > > Andrew
> > > >
> > > > (HEADER FILE)
> > > > #ifndef CHARS_H
> > > > #define CHARS_H
> > > > /////
> > > > // chars.h
> > > > /////
> > > >
> > > > void send_char( Byte p );
> > > > Byte recv_char();
> > > >
> > > > #endif
> > > >
> > > > (C FILE)
> > > > /////
> > > > // chars.c
> > > > /////
> > > >
> > > > #include "chars.h"
> > > >
> > > > // void send_char( Byte p );
> > >
> > > > // Byte recv_char( );
> > > >
> > > > void send_char( Byte p )
> > > > {
> > > > Err e;
> > > >
> > > > SerSend(SerialRefNum, &p, 1, &e );
> > > > if( e )
> > > > FrmCustomAlert( ErrorAlert, "Error", "", "" );
> > > > }
> > > >
> > > > Byte recv_char( )
> > > > {
> > > > Err e;
> > > > Byte f;
> > > >
> > > > SerReceive(SerialRefNum,&f,1,0,&e);
> > > > if( e )
> > > > FrmCustomAlert( ErrorAlert, "Error", "", "" );
> > > >
> > > > return( f );
> > > > }
> > > >
> > > > (MAIN.C)
> > > > #include <Pilot.h>
> > > > #include <Graffiti.h>
> > > > #include <SysEvtMgr.h>
> > > > #include <SerialMgr.h>
> > > > #include "Test_res.h"
> > > > #include "chars.h"
> > > > ...
> > > >
> > > >
> > > >
> > > >
> > >
> > >
> > >
> > >
> >
> >
> >
> >
>
>
>
>
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