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 "libpruio/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. Find a functional description in section io_input.

Licence: GPLv3, Copyright 2014-2023 by Thomas{ doT ]Freiherr[ At ]gmx[ DoT }net

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

Since

0.0

Definition in file io_input.c.

Function Documentation

isleep()

int isleep

(

unsigned int

mseconds

)

Wait for keystroke or timeout.

Parameters

mseconds

Timeout 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 35 of file io_input.c.

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main()

int main	(	int	argc,
		char **	argv
	)

The main function.

create new driver structure

Definition at line 54 of file io_input.c.

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