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simple
getDirection.c
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/*
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* @file getDirection.c
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*
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* @author Andy Lindsay
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*
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* @version 0.85
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*
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* @copyright Copyright (C) Parallax, Inc. 2012. See end of file for
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* terms of use (MIT License).
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*
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* @brief getDirection function source, see simpletools.h for documentation.
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*
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* @detail Please submit bug reports, suggestions, and improvements to
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* this code to editor@parallax.com.
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*/
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#include "simpletools.h"
// simpletools function prototypes
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unsigned
int
get_direction(
int
pin)
// getDirection function definition
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{
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unsigned
int
pindir = DIRA;
// Copy of OUTA register
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return
(pindir >> pin) & 1;
// Shift right and mask
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}
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