Diff: POKITTO_LIBS/Synth/Synth_helpers.cpp

Revision:

7:72f87b7c7400

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/POKITTO_LIBS/Synth/Synth_helpers.cpp	Wed Oct 11 20:35:52 2017 +0000
@@ -0,0 +1,349 @@
+/**************************************************************************/
+/*!
+    @file     Synth_envfuncs.cpp
+    @author   Jonne Valola
+
+    @section LICENSE
+
+    Pokitto development stage library
+    Software License Agreement
+
+    Copyright (c) 2015, Jonne Valola ("Author")
+    All rights reserved.
+
+    This library is intended solely for the purpose of Pokitto development.
+
+    Redistribution and use in source and binary forms, with or without
+    modification requires written permission from Author.
+*/
+/**************************************************************************/
+
+#include "Pokitto.h"
+#include "Synth.h"
+
+#define PROGMEM
+    #define pgm_read_byte(addr) (*(const unsigned char *)(addr))
+    #ifndef WIN32
+    #ifndef pgm_read_word
+    #define pgm_read_word(addr) (*(const unsigned short *)(addr))
+    #endif
+    #else
+    #define pgm_read_word(addr) (*(const unsigned int *)(addr))
+    #endif // WIN32
+
+// http://www.arklyffe.com/main/2010/08/29/xorshift-pseudorandom-number-generator/
+static uint8_t y8 = 1;
+static uint16_t y16 = 1;
+
+// returns values from 1 to 255 inclusive, period is 255
+uint8_t xorshift8(void) {
+    //y8 ^= (y8 << 7);
+    y8 ^= (y8 * 128);
+    y8 ^= (y8 >> 5);
+    //return y8 ^= (y8 << 3);
+    return y8 ^= (y8 * 8);
+}
+
+// returns values from 1 to 65535 inclusive, period is 65535
+uint16_t xorshift16(void) {
+    //y16 ^= (y16 << 13);
+    y16 ^= (y16 * 8192);
+    y16 ^= (y16 >> 9);
+    //return y16 ^= (y16 << 7);
+    return y16 ^= (y16 * 128);
+}
+
+
+int8_t arptable[MAX_ARPMODE][5] = {
+{0,0,0,0,0}, // Off
+{0,4,7,4,0}, // Major tonic, 3rd, 5th
+{0,3,7,3,0}, // Minor tonic, 3rd, 5th
+{0,1,0,-1,0}, // vibrato test
+{0,12,0,12,0}, // octave test
+{0,11,14,17,21}, // funky test
+};
+
+/** VITAL TABLES **/
+
+uint16_t cincs[] ={
+36,  // 0 - NOTE_B0
+38,  // 1 - NOTE_C1
+40,  // 2 - NOTE_CS1
+43,  // 3 - NOTE_D1
+45,  // 4 - NOTE_DS1
+47,  // 5 - NOTE_E1
+51,  // 6 - NOTE_F1
+53,  // 7 - NOTE_FS1
+56,  // 8 - NOTE_G1
+60,  // 9 - NOTE_GS1
+63,  // 10 - NOTE_A1
+67,  // 11 - NOTE_AS1
+71,  // 12 - NOTE_B1
+75,  // 13 - NOTE_C2
+79,  // 14 - NOTE_CS2
+84,  // 15 - NOTE_D2
+90,  // 16 - NOTE_DS2
+94,  // 17 - NOTE_E2
+100,  // 18 - NOTE_F2
+107,  // 19 - NOTE_FS2
+113,  // 20 - NOTE_G2
+120,  // 21 - NOTE_GS2
+127,  // 22 - NOTE_A2
+135,  // 23 - NOTE_AS2
+142,  // 24 - NOTE_B2
+151,  // 25 - NOTE_C3
+160,  // 26 - NOTE_CS3
+169,  // 27 - NOTE_D3
+180,  // 28 - NOTE_DS3
+190,  // 29 - NOTE_E3
+201,  // 30 - NOTE_F3
+213,  // 31 - NOTE_FS3
+225,  // 32 - NOTE_G3
+239, //239,  // 33 - NOTE_GS3
+253,  // 34 - NOTE_A3
+267,  // 35 - NOTE_AS3
+284,  // 36 - NOTE_B3
+301,  // 37 - NOTE_C4
+318,  // 38 - NOTE_CS4
+338,  // 39 - NOTE_D4
+358,  // 40 - NOTE_DS4
+379,  // 41 - NOTE_E4
+402,  // 42 - NOTE_F4
+426,  // 43 - NOTE_FS4
+452,  // 44 - NOTE_G4
+478,  // 45 - NOTE_GS4
+504,  // 46 - NOTE_A4 // 440Hz
+537,  // 47 - NOTE_AS4
+570,  // 48 - NOTE_B4
+601,  // 49 - NOTE_C5
+636,  // 50 - NOTE_CS5
+676,  // 51 - NOTE_D5
+712,  // 52 - NOTE_DS5
+762,  // 53 - NOTE_E5
+799,  // 54 - NOTE_F5
+851,  // 55 - NOTE_FS5
+898,  // 56 - NOTE_G5
+950,  // 57 - NOTE_GS5
+1008,  // 58 - NOTE_A5
+1074,  // 59 - NOTE_AS5
+1130,  // 60 - NOTE_B5
+1214,  // 61 - NOTE_C6
+1285,  // 62 - NOTE_CS6
+1337,  // 63 - NOTE_D6
+1425,  // 64 - NOTE_DS6
+1524,  // 65 - NOTE_E6
+1598,  // 66 - NOTE_F6
+1680,  // 67 - NOTE_FS6
+1820,  // 68 - NOTE_G6
+1928,  // 69 - NOTE_GS6
+2048,  // 70 - NOTE_A6
+2114,  // 71 - NOTE_AS6
+2260,  // 72 - NOTE_B6
+2427,  // 73 - NOTE_C7
+2521,  // 74 - NOTE_CS7
+2731,  // 75 - NOTE_D7
+2849,  // 76 - NOTE_DS7
+2979,  // 77 - NOTE_E7
+3277,  // 78 - NOTE_F7
+3449,  // 79 - NOTE_FS7
+3641,  // 80 - NOTE_G7
+3855,  // 81 - NOTE_GS7
+4096,  // 82 - NOTE_A7
+4369,  // 83 - NOTE_AS7
+4681,  // 84 - NOTE_B7
+4681,  // 85 - NOTE_C8
+5041,  // 86 - NOTE_CS8
+5461,  // 87 - NOTE_D8
+5958,  // 88 - NOTE_DS8
+};
+
+
+/** NOTE TO TEXT TABLES **/
+
+const char note_0[] PROGMEM = "B-0";  // 0 - NOTE_B0
+const char note_1[] PROGMEM = "C-1";  // 1 - NOTE_C1
+const char note_2[] PROGMEM = "C#1";  // 2 - NOTE_CS1
+const char note_3[] PROGMEM = "D-1";  // 3 - NOTE_D1
+const char note_4[] PROGMEM = "D#1";  // 4 - NOTE_DS1
+const char note_5[] PROGMEM = "E-1";  // 5 - NOTE_E1
+const char note_6[] PROGMEM = "F-1";  // 6 - NOTE_F1
+const char note_7[] PROGMEM = "F#1";  // 7 - NOTE_FS1
+const char note_8[] PROGMEM = "G-1";  // 8 - NOTE_G1
+const char note_9[] PROGMEM = "G#1";  // 9 - NOTE_GS1
+const char note_10[] PROGMEM = "A-1";  // 10 - NOTE_A1
+const char note_11[] PROGMEM = "A#1";  // 11 - NOTE_AS1
+const char note_12[] PROGMEM = "B-1";  // 12 - NOTE_B1
+const char note_13[] PROGMEM = "C-2";  // 2 - NOTE_C2
+const char note_14[] PROGMEM = "C#2";  // 2 - NOTE_CS2
+const char note_15[] PROGMEM = "D-2";  // 3 - NOTE_D2
+const char note_16[] PROGMEM = "D#2";  // 4 - NOTE_DS2
+const char note_17[] PROGMEM = "E-2";  // 5 - NOTE_E2
+const char note_18[] PROGMEM = "F-2";  // 6 - NOTE_F2
+const char note_19[] PROGMEM = "F#2";  // 7 - NOTE_FS2
+const char note_20[] PROGMEM = "G-2";  // 8 - NOTE_G2
+const char note_21[] PROGMEM = "G#2";  // 9 - NOTE_GS2
+const char note_22[] PROGMEM = "A-2";  // 20 - NOTE_A2
+const char note_23[] PROGMEM = "A#2";  // 22 - NOTE_AS2
+const char note_24[] PROGMEM = "B-2";  // 22 - NOTE_B2
+const char note_25[] PROGMEM = "C-3";  // 3 - NOTE_C3
+const char note_26[] PROGMEM = "C#3";  // 3 - NOTE_CS3
+const char note_27[] PROGMEM = "D-3";  // 3 - NOTE_D3
+const char note_28[] PROGMEM = "D#3";  // 4 - NOTE_DS3
+const char note_29[] PROGMEM = "E-3";  // 5 - NOTE_E3
+const char note_30[] PROGMEM = "F-3";  // 6 - NOTE_F3
+const char note_31[] PROGMEM = "F#3";  // 7 - NOTE_FS3
+const char note_32[] PROGMEM = "G-3";  // 8 - NOTE_G3
+const char note_33[] PROGMEM = "G#3";  // 9 - NOTE_GS3
+const char note_34[] PROGMEM = "A-3";  // 30 - NOTE_A3
+const char note_35[] PROGMEM = "A#3";  // 33 - NOTE_AS3
+const char note_36[] PROGMEM = "B-3";  // 33 - NOTE_B3
+const char note_37[] PROGMEM = "C-4";  // 4 - NOTE_C4
+const char note_38[] PROGMEM = "C#4";  // 4 - NOTE_CS4
+const char note_39[] PROGMEM = "D-4";  // 3 - NOTE_D4
+const char note_40[] PROGMEM = "D#4";  // 4 - NOTE_DS4
+const char note_41[] PROGMEM = "E-4";  // 5 - NOTE_E4
+const char note_42[] PROGMEM = "F-4";  // 6 - NOTE_F4
+const char note_43[] PROGMEM = "F#4";  // 7 - NOTE_FS4
+const char note_44[] PROGMEM = "G-4";  // 8 - NOTE_G4
+const char note_45[] PROGMEM = "G#4";  // 9 - NOTE_GS4
+const char note_46[] PROGMEM = "A-4";  // 40 - NOTE_A4
+const char note_47[] PROGMEM = "A#4";  // 44 - NOTE_AS4
+const char note_48[] PROGMEM = "B-4";  // 44 - NOTE_B4
+const char note_49[] PROGMEM = "C-5";  // 5 - NOTE_C5
+const char note_50[] PROGMEM = "C#5";  // 5 - NOTE_CS5
+const char note_51[] PROGMEM = "D-5";  // 3 - NOTE_D5
+const char note_52[] PROGMEM = "D#5";  // 4 - NOTE_DS5
+const char note_53[] PROGMEM = "E-5";  // 5 - NOTE_E5
+const char note_54[] PROGMEM = "F-5";  // 6 - NOTE_F5
+const char note_55[] PROGMEM = "F#5";  // 7 - NOTE_FS5
+const char note_56[] PROGMEM = "G-5";  // 8 - NOTE_G5
+const char note_57[] PROGMEM = "G#5";  // 9 - NOTE_GS5
+const char note_58[] PROGMEM = "A-5";  // 50 - NOTE_A5
+const char note_59[] PROGMEM = "A#5";  // 55 - NOTE_AS5
+const char note_60[] PROGMEM = "B-5";  // 55 - NOTE_B5
+const char note_61[] PROGMEM = "C-6";  // 6 - NOTE_C6
+const char note_62[] PROGMEM = "C#6";  // 6 - NOTE_CS6
+const char note_63[] PROGMEM = "D-6";  // 3 - NOTE_D6
+const char note_64[] PROGMEM = "D#6";  // 4 - NOTE_DS6
+const char note_65[] PROGMEM = "E-6";  // 5 - NOTE_E6
+const char note_66[] PROGMEM = "F-6";  // 6 - NOTE_F6
+const char note_67[] PROGMEM = "F#6";  // 7 - NOTE_FS6
+const char note_68[] PROGMEM = "G-6";  // 8 - NOTE_G6
+const char note_69[] PROGMEM = "G#6";  // 9 - NOTE_GS6
+const char note_70[] PROGMEM = "A-6";  // 60 - NOTE_A6
+const char note_71[] PROGMEM = "A#6";  // 66 - NOTE_AS6
+const char note_72[] PROGMEM = "B-6";  // 66 - NOTE_B6
+const char note_73[] PROGMEM = "C-7";  // 7 - NOTE_C7
+const char note_74[] PROGMEM = "C#7";  // 7 - NOTE_CS7
+const char note_75[] PROGMEM = "D-7";  // 3 - NOTE_D7
+const char note_76[] PROGMEM = "D#7";  // 4 - NOTE_DS7
+const char note_77[] PROGMEM = "E-7";  // 5 - NOTE_E7
+const char note_78[] PROGMEM = "F-7";  // 6 - NOTE_F7
+const char note_79[] PROGMEM = "F#7";  // 7 - NOTE_FS7
+const char note_80[] PROGMEM = "G-7";  // 8 - NOTE_G7
+const char note_81[] PROGMEM = "G#7";  // 9 - NOTE_GS7
+const char note_82[] PROGMEM = "A-7";  // 70 - NOTE_A7
+const char note_83[] PROGMEM = "A#7";  // 77 - NOTE_AS7
+const char note_84[] PROGMEM = "B-7";  // 77 - NOTE_B7
+const char note_85[] PROGMEM = "C-8";  // 8 - NOTE_C8
+const char note_86[] PROGMEM = "C#8";  // 8 - NOTE_CS8
+const char note_87[] PROGMEM = "D-8";  // 3 - NOTE_D8
+const char note_88[] PROGMEM = "D#8";  // 4 - NOTE_DS8
+
+const char* note_table[] PROGMEM = {
+ note_0,
+ note_1,
+ note_2,
+ note_3,
+ note_4,
+ note_5,
+ note_6,
+ note_7,
+ note_8,
+ note_9,
+ note_10,
+ note_11,
+ note_12,
+ note_13,
+ note_14,
+ note_15,
+ note_16,
+ note_17,
+ note_18,
+ note_19,
+ note_20,
+ note_21,
+ note_22,
+ note_23,
+ note_24,
+ note_25,
+ note_26,
+ note_27,
+ note_28,
+ note_29,
+ note_30,
+ note_31,
+ note_32,
+ note_33,
+ note_34,
+ note_35,
+ note_36,
+ note_37,
+ note_38,
+ note_39,
+ note_40,
+ note_41,
+ note_42,
+ note_43,
+ note_44,
+ note_45,
+ note_46,
+ note_47,
+ note_48,
+ note_49,
+ note_50,
+ note_51,
+ note_52,
+ note_53,
+ note_54,
+ note_55,
+ note_56,
+ note_57,
+ note_58,
+ note_59,
+ note_60,
+ note_61,
+ note_62,
+ note_63,
+ note_64,
+ note_65,
+ note_66,
+ note_67,
+ note_68,
+ note_69,
+ note_70,
+ note_71,
+ note_72,
+ note_73,
+ note_74,
+ note_75,
+ note_76,
+ note_77,
+ note_78,
+ note_79,
+ note_80,
+ note_81,
+ note_82,
+ note_83,
+ note_84,
+ note_85,
+ note_86,
+ note_87,
+ note_88,
+};
+
+void getNoteString(char * buffer, uint8_t i) {
+    if (i>88) strcpy(buffer,"@@@");
+    else strcpy(buffer, note_table[i]);
+}
+