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TYPEDEF / STRUCT problem

 
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jameszum



Joined: 31 Jan 2012
Posts: 14

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TYPEDEF / STRUCT problem
PostPosted: Tue May 06, 2014 10:46 am     Reply with quote

Good Morning
I have a question of typedef / struct and the CCS compiler.
I have the following from a commercial company .h file
I am using
CCS ide V 5.024
PCB V 5.024
PCM V 5.024
PCH V 5.024
PCD V 5.024


typedef unsigned char RD_BYTE;
typedef unsigned short RD_ID;
typedef unsigned short RD_UWORD;

57 typedef struct _RD_POSITION
58 {
59 RD_UWORD x;
60 RD_UWORD y;
61 } RD_POSITION;
62
63 static inline RD_POSITION Rd_Position(RD_UWORD x, RD_UWORD y)
64 {
65 RD_POSITION ret;
66 ret.x = x;
67 ret.y = y;
68 return ret;
69 }

the problem I have is that
*** Error 48 "ripdraw.h" Line 65(5,16): Expecting a (
*** Error 76 "ripdraw.h" Line 65(17,20): Expect ;
*** Error 12 "ripdraw.h" Line 66(5,8): Undefined identifier ret
*** Error 12 "ripdraw.h" Line 67(5,8): Undefined identifier ret
*** Error 118 "ripdraw.h" Line 68(12,15): Invalid type conversion ret

usage is
230 extern int Rd_SetLayerOriginAndSize(RD_INTERFACE* rd_interface, RD_ID layer_id, RD_POSITION position, RD_SIZE size);
*** Error 32 "C:\ripdraw.h" Line 230(81,92): Expecting a , or )
*** Error 43 "C:\ripdraw.h" Line 230(101,102): Expecting a declaration
*** Error 48 "C:ripdraw.h" Line 230(103,110): Expecting a (
*** Error 43 "C:\ripdraw.h" Line 230(115,116): Expecting a declaration
*** Error 43 "C:\ripdraw.h" Line 230(116,117): Expecting a declaration


I am unsure how to fix this problem ( or work around)
any help would be appreciated
thank you
Mike Walne



Joined: 19 Feb 2004
Posts: 1785
Location: Boston Spa UK

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PostPosted: Tue May 06, 2014 12:01 pm     Reply with quote

Quote:
63 static inline RD_POSITION Rd_Position(RD_UWORD x, RD_UWORD y)
64 {
65 RD_POSITION ret;
66 ret.x = x;
67 ret.y = y;
68 return ret;
69 }

the problem I have is that
*** Error 48 "ripdraw.h" Line 65(5,16): Expecting a (
*** Error 76 "ripdraw.h" Line 65(17,20): Expect ;
*** Error 12 "ripdraw.h" Line 66(5,8): Undefined identifier ret
*** Error 12 "ripdraw.h" Line 67(5,8): Undefined identifier ret
*** Error 118 "ripdraw.h" Line 68(12,15): Invalid type conversion ret


First thought.

Errors are often caused by something several lines before the reported error.
In this case you are either missing a '(' in line 63 or got an extra ')'.

Mike
jeremiah



Joined: 20 Jul 2010
Posts: 1354

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PostPosted: Tue May 06, 2014 12:42 pm     Reply with quote

I imagine it is the "inline" used in the function declaration. I'm not sure if CCS supports the use of "inline" in that manner. See #inline in the manual.

Try taking out "inline" and see if that gets rid of the error.
Ttelmah



Joined: 11 Mar 2010
Posts: 19538

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PostPosted: Tue May 06, 2014 2:02 pm     Reply with quote

Also, separate from the problem, a 'short' in CCS, defaults to a _single bit_, on PIC16/18 etc.. Generally be explicit when converting from other compilers, look up what size it expects for short/long etc., and use the explicit CCS sizes. Probably a signed int16 for an int, and an int8 for a 'short'.

'inline', is a c++ or c# declaration, not a C declaration....
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