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Passing a string array to a function

 
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ivaneduardo747



Joined: 22 Jun 2010
Posts: 3

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Passing a string array to a function
PostPosted: Sat Feb 05, 2011 3:36 pm     Reply with quote
How can I pass a string array like:

Code:
 const char colors[] [*] = {"Red", "Green", "Blue"};



Into a function? How the syntax would be like?
How to access it inside the function?

Also, is there any way I can get the number of elements inside an array?
Thanks!
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0x2BE NOR 0X2BE
PCM programmer



Joined: 06 Sep 2003
Posts: 21708

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PostPosted: Sun Feb 06, 2011 2:40 pm     Reply with quote
I tested the program shown below in MPLAB simulator and got the
following output. This was tested with PCH vs. 4.118.
Quote:

Red
Green
Blue

Code:

#include <18F452.h>
#device PASS_STRINGS=IN_RAM
#fuses XT,NOWDT,PUT,BROWNOUT,NOLVP
#use delay(clock=4000000)
#use rs232(baud=9600, xmit=PIN_C6, rcv=PIN_C7, ERRORS)

const char colors[] [*] = {"Red", "Green", "Blue"};

//======================================
void main(void)
{
int8 i;

for(i = 0; i < 3; i++)
    printf("%s \r", colors[i]);


while(1);
}

I don't know how to get the number of elements from a 'const'
2-dimensional array in CCS. I don't know if it's possible.
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