PokittoLib is the library needed for programming the Pokitto DIY game console (www.pokitto.com)
Diff: POKITTO_LIBS/Synth/Synth_helpers.cpp
- Revision:
- 6:72f87b7c7400
--- /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]); +} +