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Simple Libraries
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libsimpletools
source
setDirection.c
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/*
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* @file setDirection.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 setDirection 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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void
set_direction
(
int
pin,
int
direction)
// setDirection function definition
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{
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unsigned
int
mask = 1 << pin;
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if
(direction == 0)
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{
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DIRA
&= (~mask);
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}
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else
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{
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DIRA
|= mask;
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}
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}
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simpletools.h
This library provides convenient functions for a variety of microcontroller I/O, timing,...
set_direction
void set_direction(int pin, int direction)
Set an I/O pin to a given direction.
Definition:
setDirection.c:19
DIRA
#define DIRA
Use to set pins to input (0) or output (1).
Definition:
propeller1.h:161
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