topic Re: CW 5.1 Error Messages in CodeWarrior for MCU

CW 5.1 Error Messages

admin — Mon, 30 Jul 2007 22:43:52 GMT

I get the error: "C2801: ')' missing" when I try to compile the following code segment. I am using CW5.1 with the latest patches and am targeting the JB16.

/******************************************************************************

cputchar
wait for RTS then send a single byte to the SCI transmitter */

char cputchar(unsigned char scbyte){
if (ReadyToSend()) return 1; // wait for TX Empty bit to set
SCDR = scbyte; // send char out TX
return 0;
}

/****************************************************************************

cputch
check for end of line marker and send CR/LF, else, send input char */

void cputch(unsigned char ch){
if (ch == ('\n')){
  cputchar(LF);
  cputchar(CR);
} else {
  cputchar(ch);
}
}

/*void cputch(unsigned char ch){
unsigned char i, j;

i = LF;
j = CR;
if (ch == '\n') {
cputchar(i);
cputchar(j);
}
}*/
/****************************************************************************

I have included all the .h files necessary to define program variables including the sci.h file where I have defined LF and CR.

The code segment I have commented out compiles with no errors. Why am I getting this error? Why will this code segment not compile? Any suggestions will be appreciated.

Thanks

Re: CW 5.1 Error Messages

BlackNight — Tue, 31 Jul 2007 01:21:34 GMT

Hello,
I suggest you compile your source file with the -Lp option to produce a preprocessor file. You then maybe will see the problem in the preprocessor file itself, or simply try to compile the preprocessor output itself.
I think you may have something screwed up with your macros, and producing the preprocessor file will let you see what happend.

Hope it helps,
Erich

Re: CW 5.1 Error Messages

rocco — Tue, 31 Jul 2007 03:51:59 GMT

Hi Spencer,

As Erich pointed out, the problem is likely related to the definitions of CR or LF. I've had that error.

Specifically, the definition should be:

#define CR 0x0d

but a common error that I make is to write it:

#define CR 0x0d;

The extra semicolon at the end of the macro will get substituted as well, causing the compiler to complain that it hasn't yet seen the closing parentheses.

Re: CW 5.1 Error Messages

admin — Tue, 31 Jul 2007 04:32:52 GMT

Rocco

You hit the nail on the head. I have been having other, similar, errors and when I removed the semi-colon the problems disappeared.

Thanks for the info.

Spencer