upm/examples/c/speaker.c
Jon Trulson ab96e8f3a3 speaker: C port, C++ wraps C
Signed-off-by: Jon Trulson <jtrulson@ics.com>
2017-01-19 13:54:47 -07:00

56 lines
1.7 KiB
C

/*
* Author: Jon Trulson <jtrulson@ics.com>
* Copyright (c) 2017 Intel Corporation.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <unistd.h>
#include <stdio.h>
#include "speaker.h"
int main ()
{
//! [Interesting]
// Instantiate a Speaker on digital pin D2
speaker_context speaker = speaker_init(2);
if (!speaker)
{
printf("speaker_init() failed\n");
return 1;
}
// Play all 7 of the lowest notes
speaker_play_all(speaker);
// Play a medium C-sharp
speaker_play_sound(speaker, 'c', true, "med");
printf("Exiting\n");
speaker_close(speaker);
//! [Interesting]
return 0;
}