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/* |
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* test1.c: |
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* Simple test program to test the wiringPi functions |
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* This is a sequencer to make a patter appear on 8 LEDs |
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* connected to the GPIO pins. |
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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 <wiringPi.h> |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <stdint.h> |
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// Simple sequencer data |
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// Triplets of LED, On/Off and delay |
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uint8_t 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, 1, |
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7, 0, 1, |
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0, 0, 1, // Extra delay |
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// Back again |
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7, 1, 1, |
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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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9, 9, 9, // 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 wiringPi test program\n") ; |
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if (wiringPiSetup () == -1) |
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exit (1) ; |
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for (pin = 0 ; pin < 8 ; ++pin) |
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pinMode (pin, OUTPUT) ; |
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pinMode (8, INPUT) ; // Pin 8 SDA0 - Has on-board 2k2 pull-up resistor |
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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 ((l + s + d) == 27) |
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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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if (digitalRead (8) == 0) // Pressed as our switch shorts to ground |
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delay (d * 10) ; // Faster! |
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else |
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delay (d * 100) ; |
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} |
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return 0 ; |
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} |