Pokitto Community Team / SynthTest

Test the Synth sound functions of Pokitto

Dependencies:   PokittoLib

SynthTest - Pokitto synth demo

To test this program, simply press "Import into Compiler" button on the right!

/media/uploads/Pokitto/synthtest.jpg

SynthTest.cpp@6:cd9679164a70, 2018-05-01 (annotated)

Committer:
Pokitto
Date:
Tue May 01 18:44:03 2018 +0000
Revision:
6:cd9679164a70
Parent:
5:09131ded851b 
New PokittoLib version;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
group-Pokitto-Community-Team 0:e0bd5da25882 1 #include "Pokitto.h"
group-Pokitto-Community-Team 0:e0bd5da25882 2 #include "Synth.h"
group-Pokitto-Community-Team 0:e0bd5da25882 3
group-Pokitto-Community-Team 0:e0bd5da25882 4 Pokitto::Core game;
group-Pokitto-Community-Team 0:e0bd5da25882 5 Pokitto::Display disp;
group-Pokitto-Community-Team 0:e0bd5da25882 6 Pokitto::Sound snd;
group-Pokitto-Community-Team 0:e0bd5da25882 7 Pokitto::Buttons btn;
Pokitto 6:cd9679164a70 8 #ifndef POK_SIM
Pokitto 6:cd9679164a70 9 DigitalOut enable(EXT4);
Pokitto 6:cd9679164a70 10 #endif // POK_SIM
group-Pokitto-Community-Team 0:e0bd5da25882 11
Pokitto 2:91c41852a646 12 int tonefreq=46;
group-Pokitto-Community-Team 0:e0bd5da25882 13 uint8_t amplitude = 255;//127;
Pokitto 2:91c41852a646 14 uint8_t wavetype = 1, arpmode=1;
group-Pokitto-Community-Team 0:e0bd5da25882 15 uint32_t changed = 1;
group-Pokitto-Community-Team 0:e0bd5da25882 16 char notestr[6];
group-Pokitto-Community-Team 0:e0bd5da25882 17 uint8_t sbindx=0,sbx=0,prevy=0;
group-Pokitto-Community-Team 0:e0bd5da25882 18
Pokitto 6:cd9679164a70 19
group-Pokitto-Community-Team 0:e0bd5da25882 20 int main()
group-Pokitto-Community-Team 0:e0bd5da25882 21 {
Pokitto 6:cd9679164a70 22 #ifndef POK_SIM
Pokitto 6:cd9679164a70 23 enable=0;
Pokitto 6:cd9679164a70 24 #endif // POK_SIM
group-Pokitto-Community-Team 0:e0bd5da25882 25 game.begin();
Pokitto 6:cd9679164a70 26 //snd.setVolume(snd.getMaxVol()); // volume to max level depending on headset/speaker safety level
group-Pokitto-Community-Team 0:e0bd5da25882 27 disp.persistence = true;
group-Pokitto-Community-Team 0:e0bd5da25882 28 disp.color=wavetype+1;
group-Pokitto-Community-Team 0:e0bd5da25882 29 disp.bgcolor=0;
group-Pokitto-Community-Team 0:e0bd5da25882 30 uint8_t sbindx=0;
group-Pokitto-Community-Team 0:e0bd5da25882 31 int oldvol=0;
Pokitto 2:91c41852a646 32 int linecenter = (disp.height/4); // center oscilloscope line vertically
Pokitto 2:91c41852a646 33 linecenter *=2;
Pokitto 2:91c41852a646 34 linecenter += 0;
group-Pokitto-Community-Team 0:e0bd5da25882 35 snd.ampEnable(1);
group-Pokitto-Community-Team 0:e0bd5da25882 36 snd.playTone(1,tonefreq,amplitude,wavetype,arpmode);
Pokitto 2:91c41852a646 37 //snd.playTone(1,100,255,0);
group-Pokitto-Community-Team 0:e0bd5da25882 38 // want to have 2 oscillators 1 octave apart ?
Pokitto 2:91c41852a646 39 snd.playTone(2,tonefreq+12,amplitude,wavetype,arpmode);
group-Pokitto-Community-Team 0:e0bd5da25882 40
group-Pokitto-Community-Team 0:e0bd5da25882 41 disp.clear();
group-Pokitto-Community-Team 0:e0bd5da25882 42 disp.print("Frq:");
group-Pokitto-Community-Team 0:e0bd5da25882 43 getNoteString(notestr,tonefreq);
group-Pokitto-Community-Team 0:e0bd5da25882 44 disp.println(notestr);
group-Pokitto-Community-Team 0:e0bd5da25882 45 disp.print("Vol:");
group-Pokitto-Community-Team 0:e0bd5da25882 46 disp.println((int)amplitude);
group-Pokitto-Community-Team 0:e0bd5da25882 47 disp.print("Wav:");
group-Pokitto-Community-Team 0:e0bd5da25882 48 disp.print((int)wavetype);
group-Pokitto-Community-Team 0:e0bd5da25882 49 switch (wavetype) {
group-Pokitto-Community-Team 0:e0bd5da25882 50 case 0:
group-Pokitto-Community-Team 0:e0bd5da25882 51 disp.println(" Off");break;
group-Pokitto-Community-Team 0:e0bd5da25882 52 case 1:
group-Pokitto-Community-Team 0:e0bd5da25882 53 disp.println(" Square");break;
group-Pokitto-Community-Team 0:e0bd5da25882 54 case 2:
group-Pokitto-Community-Team 0:e0bd5da25882 55 disp.println(" Saw");break;
group-Pokitto-Community-Team 0:e0bd5da25882 56 case 3:
group-Pokitto-Community-Team 0:e0bd5da25882 57 disp.println(" Triang");break;
group-Pokitto-Community-Team 0:e0bd5da25882 58 case 4:
group-Pokitto-Community-Team 0:e0bd5da25882 59 disp.println(" Noise");break;
group-Pokitto-Community-Team 0:e0bd5da25882 60 case 5:
group-Pokitto-Community-Team 0:e0bd5da25882 61 disp.println(" SqNois");break;
group-Pokitto-Community-Team 0:e0bd5da25882 62 }
Pokitto 6:cd9679164a70 63 disp.print("Vol:");
Pokitto 6:cd9679164a70 64 #ifndef POK_SIM
Pokitto 6:cd9679164a70 65 disp.print((int)Pokitto::getHWvolume());
Pokitto 6:cd9679164a70 66 disp.print(", ");
Pokitto 6:cd9679164a70 67 #endif // POK_SIM
group-Pokitto-Community-Team 0:e0bd5da25882 68 disp.println((int)snd.getVolume());
group-Pokitto-Community-Team 0:e0bd5da25882 69 disp.lcdRefresh(disp.screenbuffer);
group-Pokitto-Community-Team 0:e0bd5da25882 70
Pokitto 2:91c41852a646 71
Pokitto 2:91c41852a646 72
group-Pokitto-Community-Team 0:e0bd5da25882 73 while (game.isRunning()) {
group-Pokitto-Community-Team 0:e0bd5da25882 74
group-Pokitto-Community-Team 0:e0bd5da25882 75 #ifdef POK_SIM
group-Pokitto-Community-Team 0:e0bd5da25882 76 #define DEBOU 2048*32
group-Pokitto-Community-Team 0:e0bd5da25882 77 #else
group-Pokitto-Community-Team 0:e0bd5da25882 78 #define DEBOU 256
group-Pokitto-Community-Team 0:e0bd5da25882 79 #endif
group-Pokitto-Community-Team 0:e0bd5da25882 80
Pokitto 6:cd9679164a70 81
group-Pokitto-Community-Team 0:e0bd5da25882 82 if (changed == 0) {
group-Pokitto-Community-Team 0:e0bd5da25882 83 if(btn.upBtn()) { amplitude++; changed = DEBOU; }
group-Pokitto-Community-Team 0:e0bd5da25882 84 if(btn.downBtn()) { amplitude--; changed = DEBOU; }
group-Pokitto-Community-Team 0:e0bd5da25882 85 if(btn.leftBtn() && (tonefreq > 0)) { tonefreq --; changed = DEBOU; }
group-Pokitto-Community-Team 0:e0bd5da25882 86 if(btn.rightBtn() && (tonefreq < 88)) { tonefreq ++; changed = DEBOU; }
group-Pokitto-Community-Team 0:e0bd5da25882 87 if(btn.released(BTN_A) && wavetype > 0 ) { wavetype--; changed = DEBOU*10;}
group-Pokitto-Community-Team 0:e0bd5da25882 88 if(btn.released(BTN_B) && wavetype < 5 ) { wavetype++; changed = DEBOU*10;}
group-Pokitto-Community-Team 0:e0bd5da25882 89 if (snd.getVolume() != oldvol) changed=DEBOU;
group-Pokitto-Community-Team 0:e0bd5da25882 90
group-Pokitto-Community-Team 0:e0bd5da25882 91 if (changed) {
group-Pokitto-Community-Team 0:e0bd5da25882 92 disp.clear();
group-Pokitto-Community-Team 0:e0bd5da25882 93 disp.color=0;//owavetype+1;
group-Pokitto-Community-Team 0:e0bd5da25882 94 disp.fillRectangle(0,0,109,34);
group-Pokitto-Community-Team 0:e0bd5da25882 95 disp.color=wavetype+1;
group-Pokitto-Community-Team 0:e0bd5da25882 96 disp.bgcolor=0;
group-Pokitto-Community-Team 0:e0bd5da25882 97 disp.print("Frq:");
group-Pokitto-Community-Team 0:e0bd5da25882 98 getNoteString(notestr,tonefreq);
group-Pokitto-Community-Team 0:e0bd5da25882 99 disp.println(notestr);
group-Pokitto-Community-Team 0:e0bd5da25882 100 disp.print("Vol:");
group-Pokitto-Community-Team 0:e0bd5da25882 101 disp.println((int)amplitude);
group-Pokitto-Community-Team 0:e0bd5da25882 102 disp.print("Wav:");
group-Pokitto-Community-Team 0:e0bd5da25882 103 disp.print((int)wavetype);
group-Pokitto-Community-Team 0:e0bd5da25882 104 switch (wavetype) {
group-Pokitto-Community-Team 0:e0bd5da25882 105 case 0:
group-Pokitto-Community-Team 0:e0bd5da25882 106 disp.println(" Off");break;
group-Pokitto-Community-Team 0:e0bd5da25882 107 case 1:
group-Pokitto-Community-Team 0:e0bd5da25882 108 disp.println(" Square");break;
group-Pokitto-Community-Team 0:e0bd5da25882 109 case 2:
group-Pokitto-Community-Team 0:e0bd5da25882 110 disp.println(" Saw");break;
group-Pokitto-Community-Team 0:e0bd5da25882 111 case 3:
group-Pokitto-Community-Team 0:e0bd5da25882 112 disp.println(" Triang");break;
group-Pokitto-Community-Team 0:e0bd5da25882 113 case 4:
group-Pokitto-Community-Team 0:e0bd5da25882 114 disp.println(" Noise");break;
group-Pokitto-Community-Team 0:e0bd5da25882 115 case 5:
group-Pokitto-Community-Team 0:e0bd5da25882 116 disp.println(" SqNois");break;
group-Pokitto-Community-Team 0:e0bd5da25882 117 }
Pokitto 6:cd9679164a70 118 disp.print("Vol:");
Pokitto 6:cd9679164a70 119 #ifndef POK_SIM
Pokitto 6:cd9679164a70 120 disp.print((int)Pokitto::getHWvolume());
Pokitto 6:cd9679164a70 121 disp.print(", ");
Pokitto 6:cd9679164a70 122 #endif // POK_SIM
group-Pokitto-Community-Team 0:e0bd5da25882 123 disp.println((int)snd.getVolume());
group-Pokitto-Community-Team 0:e0bd5da25882 124 snd.playTone(1,tonefreq,amplitude,wavetype,arpmode);
group-Pokitto-Community-Team 0:e0bd5da25882 125 oldvol = (int) snd.getVolume();
group-Pokitto-Community-Team 0:e0bd5da25882 126 // want to have 2 oscillators 1 octave apart ?
Pokitto 2:91c41852a646 127 snd.playTone(2,tonefreq+12,amplitude,wavetype,arpmode);
group-Pokitto-Community-Team 0:e0bd5da25882 128 }
group-Pokitto-Community-Team 0:e0bd5da25882 129 } else changed--;
group-Pokitto-Community-Team 0:e0bd5da25882 130 disp.color=0;
group-Pokitto-Community-Team 0:e0bd5da25882 131 disp.drawColumn(sbx,38,disp.height);
group-Pokitto-Community-Team 0:e0bd5da25882 132 disp.color=wavetype+1;
group-Pokitto-Community-Team 0:e0bd5da25882 133 uint8_t tindex = sbindx*2;
Pokitto 2:91c41852a646 134 int16_t y = linecenter + (((int)128-(soundbuf[tindex]))>>2);
group-Pokitto-Community-Team 0:e0bd5da25882 135 disp.drawLine(sbx-1,prevy,sbx,y);
group-Pokitto-Community-Team 0:e0bd5da25882 136 game.update();
group-Pokitto-Community-Team 0:e0bd5da25882 137 disp.color=0;
group-Pokitto-Community-Team 0:e0bd5da25882 138 prevy=y;
group-Pokitto-Community-Team 0:e0bd5da25882 139 sbx++;sbindx++;
group-Pokitto-Community-Team 0:e0bd5da25882 140 if (sbx>disp.width-1) {sbx=0;}
group-Pokitto-Community-Team 0:e0bd5da25882 141 }
group-Pokitto-Community-Team 0:e0bd5da25882 142 return 0; // good manners!
group-Pokitto-Community-Team 0:e0bd5da25882 143 }