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eem2am
Joined: 18 Jul 2012
Posts: 21
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| Error message not understood |
 Posted: Wed Jul 18, 2012 12:48 pm |
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Hello
int8 ACDCflag=0;
int8 PHASEflag=0;
int8 FPMflag=0;
...CCS compiler is erroring the above, telling me its expecting a numerical expression.
I am declaring variables....so why do i need a numerical expression? |
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Ttelmah
Joined: 11 Mar 2010
Posts: 19553
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| Posted: Wed Jul 18, 2012 2:41 pm |
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Difficult to know for sure, but the 'classic', would be that one of the names is also the name of a function somewhere else.
Other possibility though is that there is an error some lines _earlier_, which the compiler ploughs through, and keeps going till it gets here, and then complains. So something like a missing bracket on a function, so it still thinks these declarations are inside this.
Best Wishes |
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PCM programmer
Joined: 06 Sep 2003
Posts: 21708
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| Posted: Wed Jul 18, 2012 2:41 pm |
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There's nothing wrong with those lines. The problem is probably above
those lines somewhere.
Here's one example of how you might have done it. If you use an "="
sign in a #define statement, this will give the error, as shown in the
code below:
*** Error 51 "pcm_test.c" Line 17(10,11): A numeric expression must appear here
| Quote: |
#include <16F877.H>
#fuses XT, NOWDT, NOPROTECT, BROWNOUT, PUT, NOLVP
#use delay(clock=4M)
#use rs232(baud=9600, UART1, ERRORS)
#define MYVAL = 5 // Don't put an '=' sign in there. Remove it.
int8 ACDCflag=0;
int8 PHASEflag=0;
int8 FPMflag=0;
//====================
void main()
{
int8 a;
a = MYVAL;
while(1);
} |
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