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ascii & int

 
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ascii & int
PostPosted: Mon Dec 10, 2007 12:35 am     Reply with quote
Hi;
I used pic 16F877A.
I want to calculate all operators maths(+,-,*,/)
But when I receive 2 int from pc, int values are ascii value not int.
I recognize int to int so my getc must take int values....

Int a,b,result;
a=getc();
b=getc();
result=a+b;//

//result is not a+b int
The value is ascii a plus ascii b
PCM programmer



Joined: 06 Sep 2003
Posts: 21708

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PostPosted: Mon Dec 10, 2007 1:42 am     Reply with quote
Look at the gethex1() function in this CCS file:
Quote:
c:\Program Files\picc\Drivers\input.c

This function gets a single ascii digit from the serial port and converts
it to a binary integer.
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