Diff: PlayTone.cpp

Revision:

0:b8d34e475dd9

Child:

2:9a8ae3a8e5ea

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/PlayTone.cpp	Sat Oct 01 20:48:12 2016 +0000
@@ -0,0 +1,192 @@
+#include "PlayTone.h"
+
+PlayTone::PlayTone(PinName PS):_speaker(PS)
+{
+    offset = 0;
+    
+    max_BPM = 260;
+    min_BPM = 40;
+    
+    tone[0] = 27.50;
+    tone[1] = 29.14;
+    tone[2] = 30.87;
+    tone[3] = 32.70;    
+    tone[4] = 34.65;   
+    tone[5] = 36.71;  
+    tone[6] = 38.89; 
+    tone[7] = 41.20;
+    tone[8] = 43.65;
+    tone[9] = 46.25;
+    tone[10] = 49.00;
+    tone[11] = 51.91;
+    tone[12] = 55.00;
+    tone[13] = 58.27;
+    tone[14] = 61.74;
+    tone[15] = 65.41;
+    tone[16] = 69.30;
+    tone[17] = 73.42;
+    tone[18] = 77.78;
+    tone[19] = 82.41;
+    tone[20] = 87.31;
+    tone[21] = 92.50;
+    tone[22] = 98.00;
+    tone[23] = 103.83;
+    tone[24] = 110.00;
+    tone[25] = 116.54;
+    tone[26] = 123.47;
+    tone[27] = 130.81;
+    tone[28] = 138.59;
+    tone[29] = 146.83;
+    tone[30] = 155.56;
+    tone[31] = 164.81;
+    tone[32] = 174.61;
+    tone[33] = 185.00;
+    tone[34] = 196.00;
+    tone[35] = 207.65,
+    tone[36] = 220.00;
+    tone[37] = 233.08;
+    tone[38] = 246.94;
+    tone[39] = 261.63;
+    tone[40] = 277.18;
+    tone[41] = 293.66;
+    tone[42] = 311.13;
+    tone[43] = 329.63;
+    tone[44] = 349.23;
+    tone[45] = 369.99;
+    tone[46] = 392.00;
+    tone[47] = 415.30,
+    tone[48] = 440.00;
+    tone[49] = 466.16;
+    tone[50] = 493.88;
+    tone[51] = 523.25;
+    tone[52] = 554.37;
+    tone[53] = 587.33;
+    tone[54] = 622.25;
+    tone[55] = 659.26;
+    tone[56] = 698.46;
+    tone[57] = 739.99;
+    tone[58] = 783.99;
+    tone[59] = 830.61,
+    tone[60] = 880.00;
+    tone[61] = 932.33;
+    tone[62] = 987.77;
+    tone[63] = 1046.50;
+    tone[64] = 1108.73;
+    tone[65] = 1174.66;
+    tone[66] = 1244.51;
+    tone[67] = 1318.51;
+    tone[68] = 1396.91;
+    tone[69] = 1479.98;
+    tone[70] = 1567.98;
+    tone[71] = 1661.22,
+    tone[72] = 1760.00;
+    tone[73] = 1864.66;
+    tone[74] = 1975.53;
+    tone[75] = 2093.00;
+    tone[76] = 2217.46;
+    tone[77] = 2349.32;
+    tone[78] = 2489.02;
+    tone[79] = 2637.02;
+    tone[80] = 2793.83;
+    tone[81] = 2959.96;
+    tone[82] = 3135.96;
+    tone[83] = 3322.44;
+    tone[84] = 3520.00;
+}
+
+void PlayTone::playTone(int ind, float value)
+{
+    int pos = ind+offset;
+    
+    pos = (pos<0)? 0 : pos;
+    pos = (pos>84)? 84 : pos;
+    
+    _speaker.play(tone[pos], _bpm_ms*value);
+}
+
+void PlayTone::playStaccato(int ind, float value)
+{
+    int pos = ind+offset;
+    
+    pos = (pos<0)? 0 : pos;
+    pos = (pos>84)? 84 : pos;
+    
+    _speaker.play(tone[pos], _bpm_ms*_duty);
+    int rest = _bpm_ms*float(value - _duty);
+    wait_ms(rest);
+}
+
+void PlayTone::silence(float value)
+{
+    wait_ms(_bpm_ms*value);
+}
+
+void PlayTone::stop()
+{
+    _speaker.stop();
+}
+
+void PlayTone::transpose(int level)
+{
+    offset += level;
+}
+
+void PlayTone::playSequence(int sequence_length, int notes[], float values[])
+{
+    for(int i=0; i< sequence_length; i++)
+    {
+        if(notes[i] > 1)
+            playTone(notes[i],values[i]);
+        else
+            silence(values[i]);
+    }
+}
+
+void PlayTone::playSequence(int sequence_length, Note notes[])
+{
+    for(int i=0; i< sequence_length; i++)
+    {
+        if(notes[i].idx > 1)
+            playTone(notes[i].idx,notes[i].value);
+        else
+            silence(notes[i].value);
+    }
+}
+
+void PlayTone::playStaccatoSequence(int sequence_length, int notes[], float values[])
+{
+    for(int i=0; i< sequence_length; i++)
+    {
+        if(notes[i] > 0)
+            playStaccato(notes[i],values[i]);
+        else
+            silence(values[i]);
+    }
+}
+
+void PlayTone::playStaccatoSequence(int sequence_length, Note notes[])
+{
+    for(int i=0; i< sequence_length; i++)
+    {
+        if(notes[i].idx > 0)
+            playStaccato(notes[i].idx,notes[i].value);
+        else
+            silence(notes[i].value);
+    }
+}
+
+int PlayTone::setBPM(int Bpm)
+{
+    _bpm = (Bpm < min_BPM)? min_BPM : Bpm;
+    _bpm = (Bpm > max_BPM)? max_BPM : Bpm;
+    
+    _bpm_ms = 60*1000/_bpm;
+    
+    return int(_bpm_ms);
+}
+
+void PlayTone::setStaccatoDuty(float duty)
+{
+    _duty = (duty > 1)? 1 : duty;
+    _duty = (duty < 0)? 0 : duty;
+}
\ No newline at end of file