libpruio  0.2
Input/Output driver for digital/analog lines on Beagleboard hardware
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io_input.c File Reference

Example: print digital and analog inputs. More...

#include "stdio.h"
#include <termios.h>
#include <unistd.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/time.h>
#include "../c_wrapper/pruio.h"
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Macros

#define _GNU_SOURCE   1
 Message for the compiler.
 

Functions

int isleep (unsigned int mseconds)
 Wait for keystroke or timeout. More...
 
int main (int argc, char **argv)
 The main function. More...
 

Detailed Description

Example: print digital and analog inputs.

This file contains an example on how to use libpruio to print out the state of the digital GPIOs and the analog input lines.

Licence: GPLv3

Copyright 2014 by Thomas{ dOt ]Freiherr[ At ]gmx[ DoT }net

Compile by: gcc -Wall -o io_input io_input.c -lpruio

Definition in file io_input.c.

Function Documentation

int isleep ( unsigned int  mseconds)

Wait for keystroke or timeout.

Parameters
msecondsTimeout value in milliseconds.
Returns
0 if timeout, 1 if input available, -1 on error.

Wait for a keystroke or timeout and return which of the events happened.

Definition at line 36 of file io_input.c.

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int main ( int  argc,
char **  argv 
)

The main function.

create new driver structure

Definition at line 55 of file io_input.c.

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