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57 lines
1.6 KiB
57 lines
1.6 KiB
/* |
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* blink8.c: |
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* Simple sequence over the first 8 GPIO pins - LEDs |
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* Aimed at the Gertboard, but it's fairly generic. |
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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 <wiringPi.h> |
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int main (void) |
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{ |
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int i, led ; |
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printf ("Raspberry Pi - 8-LED Sequencer\n") ; |
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printf ("==============================\n") ; |
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printf ("\n") ; |
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printf ("Connect LEDs to the first 8 GPIO pins and watch ...\n") ; |
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wiringPiSetup () ; |
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for (i = 0 ; i < 8 ; ++i) |
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pinMode (i, OUTPUT) ; |
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for (;;) |
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{ |
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for (led = 0 ; led < 8 ; ++led) |
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{ |
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digitalWrite (led, 1) ; |
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delay (100) ; |
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} |
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for (led = 0 ; led < 8 ; ++led) |
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{ |
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digitalWrite (led, 0) ; |
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delay (100) ; |
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} |
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} |
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}
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