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54 lines
1.5 KiB
54 lines
1.5 KiB
/* |
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* softTone.c: |
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* Test of the softTone module in wiringPi |
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* Plays a scale out on pin 3 - connect pizeo disc to pin 3 & 0v |
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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 <softTone.h> |
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#define PIN 3 |
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int scale [8] = { 262, 294, 330, 349, 392, 440, 494, 525 } ; |
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int main () |
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{ |
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int i ; |
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wiringPiSetup () ; |
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softToneCreate (PIN) ; |
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for (;;) |
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{ |
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for (i = 0 ; i < 8 ; ++i) |
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{ |
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printf ("%3d\n", i) ; |
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softToneWrite (PIN, scale [i]) ; |
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delay (500) ; |
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} |
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} |
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}
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