52 lines
1.5 KiB
C
52 lines
1.5 KiB
C
/*
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* piglow.c:
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* Very simple demonstration of the PiGlow board.
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* This uses the SN3218 directly - soon there will be a new PiGlow
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* devLib device which will handle the PiGlow board on a more easy
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* to use manner...
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*
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* Copyright (c) 2013 Gordon Henderson.
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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 <wiringPi.h>
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#include <sn3218.h>
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#define LED_BASE 533
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int main (void)
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{
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int i, j ;
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wiringPiSetupSys () ;
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sn3218Setup (LED_BASE) ;
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for (;;)
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{
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for (i = 0 ; i < 256 ; ++i)
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for (j = 0 ; j < 18 ; ++j)
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analogWrite (LED_BASE + j, i) ;
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for (i = 255 ; i >= 0 ; --i)
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for (j = 0 ; j < 18 ; ++j)
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analogWrite (LED_BASE + j, i) ;
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}
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}
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