55 lines
1.5 KiB
C
55 lines
1.5 KiB
C
|
/*
|
||
|
|
* softTone.c:
|
||
|
|
* Test of the softTone module in wiringPi
|
||
|
|
* Plays a scale out on pin 3 - connect pizeo disc to pin 3 & 0v
|
||
|
|
*
|
||
|
|
* Copyright (c) 2012-2013 Gordon Henderson. <projects@drogon.net>
|
||
|
|
***********************************************************************
|
||
|
|
* This file is part of wiringPi:
|
||
|
|
* https://projects.drogon.net/raspberry-pi/wiringpi/
|
||
|
|
*
|
||
|
|
* wiringPi is free software: you can redistribute it and/or modify
|
||
|
|
* it under the terms of the GNU Lesser General Public License as published by
|
||
|
|
* the Free Software Foundation, either version 3 of the License, or
|
||
|
|
* (at your option) any later version.
|
||
|
|
*
|
||
|
|
* wiringPi is distributed in the hope that it will be useful,
|
||
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
|
* GNU Lesser General Public License for more details.
|
||
|
|
*
|
||
|
|
* You should have received a copy of the GNU Lesser General Public License
|
||
|
|
* along with wiringPi. If not, see <http://www.gnu.org/licenses/>.
|
||
|
|
***********************************************************************
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <errno.h>
|
||
|
|
#include <string.h>
|
||
|
|
|
||
|
|
#include <wiringPi.h>
|
||
|
|
#include <softTone.h>
|
||
|
|
|
||
|
|
#define PIN 3
|
||
|
|
|
||
|
|
int scale [8] = { 262, 294, 330, 349, 392, 440, 494, 525 } ;
|
||
|
|
|
||
|
|
int main ()
|
||
|
|
{
|
||
|
|
int i ;
|
||
|
|
|
||
|
|
wiringPiSetup () ;
|
||
|
|
|
||
|
|
softToneCreate (PIN) ;
|
||
|
|
|
||
|
|
for (;;)
|
||
|
|
{
|
||
|
|
for (i = 0 ; i < 8 ; ++i)
|
||
|
|
{
|
||
|
|
printf ("%3d\n", i) ;
|
||
|
|
softToneWrite (PIN, scale [i]) ;
|
||
|
|
delay (500) ;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|