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git-subtree-dir: Code/devterm_wiringpi_cpi git-subtree-split: f06b33c66b5ea2befad8f6b39f521a498993cb2c
112 lines
2.6 KiB
C
112 lines
2.6 KiB
C
/*
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* blink12.c:
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* Simple sequence over the first 12 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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// Simple sequencer data
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// Triplets of LED, On/Off and delay
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int data [] =
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{
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0, 1, 1,
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1, 1, 1,
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0, 0, 0, 2, 1, 1,
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1, 0, 0, 3, 1, 1,
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2, 0, 0, 4, 1, 1,
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3, 0, 0, 5, 1, 1,
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4, 0, 0, 6, 1, 1,
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5, 0, 0, 7, 1, 1,
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6, 0, 0, 11, 1, 1,
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7, 0, 0, 10, 1, 1,
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11, 0, 0, 13, 1, 1,
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10, 0, 0, 12, 1, 1,
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13, 0, 1,
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12, 0, 1,
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0, 0, 1, // Extra delay
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// Back again
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12, 1, 1,
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13, 1, 1,
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12, 0, 0, 10, 1, 1,
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13, 0, 0, 11, 1, 1,
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10, 0, 0, 7, 1, 1,
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11, 0, 0, 6, 1, 1,
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7, 0, 0, 5, 1, 1,
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6, 0, 0, 4, 1, 1,
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5, 0, 0, 3, 1, 1,
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4, 0, 0, 2, 1, 1,
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3, 0, 0, 1, 1, 1,
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2, 0, 0, 0, 1, 1,
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1, 0, 1,
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0, 0, 1,
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0, 0, 1, // Extra delay
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0, 9, 0, // End marker
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} ;
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int main (void)
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{
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int pin ;
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int dataPtr ;
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int l, s, d ;
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printf ("Raspberry Pi - 12-LED Sequence\n") ;
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printf ("==============================\n") ;
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printf ("\n") ;
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printf ("Connect LEDs up to the first 8 GPIO pins, then pins 11, 10, 13, 12 in\n") ;
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printf (" that order, then sit back and watch the show!\n") ;
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wiringPiSetup () ;
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for (pin = 0 ; pin < 14 ; ++pin)
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pinMode (pin, OUTPUT) ;
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dataPtr = 0 ;
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for (;;)
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{
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l = data [dataPtr++] ; // LED
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s = data [dataPtr++] ; // State
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d = data [dataPtr++] ; // Duration (10ths)
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if (s == 9) // 9 -> End Marker
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{
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dataPtr = 0 ;
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continue ;
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}
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digitalWrite (l, s) ;
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delay (d * 100) ;
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}
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return 0 ;
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}
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