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#define str[8]

 
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ccsx3



Joined: 06 Jan 2013
Posts: 6

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#define str[8]
PostPosted: Wed Jun 11, 2014 8:52 am     Reply with quote

hi
i wonder how can i make this line work
Code:


#define str[8] {"PIN_E5,PIN_J8,PIN_J11,PIN_J14,PIN_J0,PIN_J4,PIN_J7,PIN_E2"}


i want to put my pins in array define, there is any way like that?
thanks
Ttelmah



Joined: 11 Mar 2010
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PostPosted: Wed Jun 11, 2014 9:12 am     Reply with quote

An array will work, but a 'define', can't have a size like this.
Square brackets are not allowed in a define. The square brackets in the manual entry for this (on some manuals), are for the 'optional' part.
#define is a text macro substitution language, not a variable declaration. #define is also not a string.
Code:

int16 pins[8] = {PIN_E5,PIN_J8,PIN_J11,PIN_J14,PIN_J0,PIN_J4,PIN_J7,PIN_E2} ;


will work, and you can then use 'pins[0]' and pins[3] etc., as pin numbers.

or
Code:

#define pinlist PIN_E5,PIN_J8,PIN_J11,PIN_J14,PIN_J0,PIN_J4,PIN_J7,PIN_E2
int16 pins[8] = {pinlist} ;


However also remember that pin functions involving variables are much bulkier and slower than those using constants.
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