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initial cleanup and mapping

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2016-08-18 21:52:18 +03:00
parent 1d89a05234
commit faf062af8b
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examples/nes.c Normal file
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/*
* nes.c:
* Test program for an old NES controller connected to the Pi.
*
* Copyright (c) 2012-2013 Gordon Henderson. <projects@drogon.net>
***********************************************************************
* This file is part of wiringPi:
* https://projects.drogon.net/raspberry-pi/wiringpi/
*
* wiringPi is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* wiringPi is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with wiringPi. If not, see <http://www.gnu.org/licenses/>.
***********************************************************************
*/
#include <stdio.h>
#include <errno.h>
#include <string.h>
#include <wiringPi.h>
#include <piNes.h>
#define BLANK "| "
int main ()
{
int joystick ;
unsigned int buttons ;
if (wiringPiSetup () == -1)
{
fprintf (stdout, "oops: %s\n", strerror (errno)) ;
return 1 ;
}
if ((joystick = setupNesJoystick (2, 1, 0)) == -1)
{
fprintf (stdout, "Unable to setup joystick\n") ;
return 1 ;
}
for (;;)
{
buttons = readNesJoystick (joystick) ;
if ((buttons & NES_UP) != 0) printf ("| UP " ) ; else printf (BLANK) ;
if ((buttons & NES_DOWN) != 0) printf ("| DOWN " ) ; else printf (BLANK) ;
if ((buttons & NES_LEFT) != 0) printf ("| LEFT " ) ; else printf (BLANK) ;
if ((buttons & NES_RIGHT) != 0) printf ("|RIGHT " ) ; else printf (BLANK) ;
if ((buttons & NES_SELECT) != 0) printf ("|SELECT" ) ; else printf (BLANK) ;
if ((buttons & NES_START) != 0) printf ("|START " ) ; else printf (BLANK) ;
if ((buttons & NES_A) != 0) printf ("| A " ) ; else printf (BLANK) ;
if ((buttons & NES_B) != 0) printf ("| B " ) ; else printf (BLANK) ;
printf ("|\n") ;
}
return 0 ;
}