kohacraft Lab / Mbed 2 deprecated kc_YMZ294player

YMZ294 Player. modified from "Yamaguchi's YMZ294 Library" for LPC1114.

Dependencies:   mbed

Player/Player.cpp@0:7a56bf0441ea, 2015-12-09 (annotated)

Committer:
kohacraft
Date:
Wed Dec 09 01:38:08 2015 +0000
Revision:
0:7a56bf0441ea
YMZ294 Player. modified from "Yamaguchi's YMZ294 Library" for LPC1114

Who changed what in which revision?

UserRevisionLine numberNew contents of line
kohacraft 0:7a56bf0441ea 1 #include "Player.h"
kohacraft 0:7a56bf0441ea 2
kohacraft 0:7a56bf0441ea 3 #define min(x, y) ((x) < (y) ? (x) : (y))
kohacraft 0:7a56bf0441ea 4
kohacraft 0:7a56bf0441ea 5 Player::Player(char *s1, char *s2, char *s3) {
kohacraft 0:7a56bf0441ea 6 MusicString ms1(s1);
kohacraft 0:7a56bf0441ea 7 MusicString ms2(s2);
kohacraft 0:7a56bf0441ea 8 MusicString ms3(s3);
kohacraft 0:7a56bf0441ea 9 layer1 = Layer(ms1);
kohacraft 0:7a56bf0441ea 10 layer2 = Layer(ms2);
kohacraft 0:7a56bf0441ea 11 layer3 = Layer(ms3);
kohacraft 0:7a56bf0441ea 12 }
kohacraft 0:7a56bf0441ea 13
kohacraft 0:7a56bf0441ea 14 void Player::play(YMZ294& soundGen, int freq, int shape, int tempo) {
kohacraft 0:7a56bf0441ea 15 bool attenuate = (shape < 8|| shape == 9 || shape == 15);
kohacraft 0:7a56bf0441ea 16 for (int tick = 0, dur = 0;; tick += dur) {
kohacraft 0:7a56bf0441ea 17 dur = layer1.play(soundGen, CHANNEL_A, tick, attenuate);
kohacraft 0:7a56bf0441ea 18 if (!layer2.isNull()) {
kohacraft 0:7a56bf0441ea 19 int dur2 = layer2.play(soundGen, CHANNEL_B, tick, attenuate);
kohacraft 0:7a56bf0441ea 20 dur = min(dur, dur2);
kohacraft 0:7a56bf0441ea 21 }
kohacraft 0:7a56bf0441ea 22 if (!layer3.isNull()) {
kohacraft 0:7a56bf0441ea 23 int dur3 = layer3.play(soundGen, CHANNEL_C, tick, attenuate);
kohacraft 0:7a56bf0441ea 24 dur = min(dur, dur3);
kohacraft 0:7a56bf0441ea 25 }
kohacraft 0:7a56bf0441ea 26 if (dur == 0)
kohacraft 0:7a56bf0441ea 27 break;
kohacraft 0:7a56bf0441ea 28 soundGen.setEnvelope(freq, shape);
kohacraft 0:7a56bf0441ea 29 soundGen.setMixer(TONE_A, TONE_B, TONE_C);
kohacraft 0:7a56bf0441ea 30 wait(dur / 480.0 * 60.0 / tempo);
kohacraft 0:7a56bf0441ea 31 }
kohacraft 0:7a56bf0441ea 32 soundGen.setMixer(NONE);
kohacraft 0:7a56bf0441ea 33 soundGen.setVolume(CHANNEL_A, 0);
kohacraft 0:7a56bf0441ea 34 soundGen.setVolume(CHANNEL_B, 0);
kohacraft 0:7a56bf0441ea 35 soundGen.setVolume(CHANNEL_C, 0);
kohacraft 0:7a56bf0441ea 36 }
kohacraft 0:7a56bf0441ea 37
kohacraft 0:7a56bf0441ea 38 void Player::rewind() {
kohacraft 0:7a56bf0441ea 39 layer1.rewind();
kohacraft 0:7a56bf0441ea 40 layer2.rewind();
kohacraft 0:7a56bf0441ea 41 layer3.rewind();
kohacraft 0:7a56bf0441ea 42 }