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