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/*
* Copyright (c) 2009 Quentin Stievenart
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* * Neither the name of the copyright holder nor the names of its contributors
* may be used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include "metronome.h"
beat_t make_beat(int len, int noise_freq,
unsigned char leds, const char *text)
{
noise_params_t n;
light_params_t l;
text_params_t t;
beat_t b;
n.freq = noise_freq;
n.len = len;
l.leds = leds;
l.len = len;
t.text = malloc(strlen(text) * sizeof(char));
strncpy(t.text, text, strlen(text));
b.noise = n;
b.light = l;
b.text = t;
return b;
}
void play_beat(beat_t beat)
{
if (beat.noise.len != 0)
beep(beat.noise);
text(beat.text);
if (beat.light.len != 0)
light(beat.light);
}
void play_bar(int bpm, bar_t bar)
{
int i;
for (i = 0; i < bar.n_beats; i++) {
play_beat(bar.beats[i]);
/* little imprecision here, because of the leds lights (they sleep a bit) */
usleep(6e7/bpm);
}
}
beat_t void_beat(void) {
return make_beat(0, NOISE_FREQ_DEFAULT, 0, "");
}