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Replace weird nonworking wavefolder with sustain/silence length

Browse source 
adjustment
This commit is contained in:
Jan-Henrik 2020-03-15 13:33:19 +01:00
parent 0a1729b7cd
commit 6b5d815f74
5 changed files with 77 additions and 236 deletions
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232
pure_adsr/resources.cc
View file

@ -136,180 +136,12 @@ const prog_uint16_t lut_res_env_quartic[] PROGMEM = {
59750, 60553, 61364, 62183, 63010, 63843, 64685, 65535,
65535,
};
const prog_uint16_t lut_res_raised_cosine[] PROGMEM = {
0, 2, 9, 22, 39, 61, 88, 120,
157, 199, 246, 298, 354, 416, 482, 553,
629, 710, 796, 886, 982, 1082, 1186, 1296,
1410, 1530, 1653, 1782, 1915, 2053, 2195, 2342,
2494, 2650, 2811, 2976, 3146, 3320, 3498, 3681,
3869, 4060, 4256, 4457, 4661, 4870, 5083, 5300,
5522, 5747, 5977, 6210, 6448, 6689, 6935, 7184,
7437, 7694, 7955, 8220, 8488, 8760, 9035, 9314,
9597, 9883, 10172, 10465, 10762, 11061, 11364, 11670,
11980, 12292, 12607, 12926, 13247, 13572, 13899, 14229,
14562, 14898, 15236, 15578, 15921, 16267, 16616, 16967,
17321, 17676, 18034, 18395, 18757, 19122, 19488, 19857,
20227, 20600, 20974, 21350, 21728, 22107, 22488, 22871,
23255, 23641, 24027, 24416, 24805, 25196, 25588, 25980,
26374, 26769, 27165, 27562, 27959, 28357, 28756, 29155,
29555, 29956, 30356, 30758, 31159, 31561, 31963, 32365,
32767, 33169, 33571, 33973, 34375, 34776, 35178, 35578,
35979, 36379, 36778, 37177, 37575, 37972, 38369, 38765,
39160, 39554, 39946, 40338, 40729, 41118, 41507, 41893,
42279, 42663, 43046, 43427, 43806, 44184, 44560, 44934,
45307, 45677, 46046, 46412, 46777, 47139, 47500, 47858,
48213, 48567, 48918, 49267, 49613, 49956, 50298, 50636,
50972, 51305, 51635, 51962, 52287, 52608, 52927, 53242,
53554, 53864, 54170, 54473, 54772, 55069, 55362, 55651,
55937, 56220, 56499, 56774, 57046, 57314, 57579, 57840,
58097, 58350, 58599, 58845, 59086, 59324, 59557, 59787,
60012, 60234, 60451, 60664, 60873, 61077, 61278, 61474,
61665, 61853, 62036, 62214, 62388, 62558, 62723, 62884,
63040, 63192, 63339, 63481, 63619, 63752, 63881, 64004,
64124, 64238, 64348, 64452, 64552, 64648, 64738, 64824,
64905, 64981, 65052, 65118, 65180, 65236, 65288, 65335,
65377, 65414, 65446, 65473, 65495, 65512, 65525, 65532,
65532,
};
const prog_uint16_t lut_res_unipolar_fold[] PROGMEM = {
0, 352, 703, 1054, 1404, 1754, 2102, 2450,
2796, 3141, 3483, 3824, 4163, 4500, 4834, 5165,
5494, 5819, 6141, 6460, 6776, 7088, 7395, 7699,
7999, 8294, 8585, 8871, 9152, 9429, 9700, 9966,
10227, 10482, 10731, 10975, 11213, 11445, 11671, 11891,
12104, 12311, 12512, 12706, 12893, 13073, 13247, 13414,
13574, 13727, 13873, 14012, 14144, 14268, 14386, 14496,
14598, 14694, 14782, 14863, 14937, 15003, 15062, 15113,
15158, 15195, 15225, 15247, 15263, 15271, 15272, 15266,
15253, 15234, 15207, 15174, 15133, 15087, 15033, 14973,
14907, 14834, 14756, 14671, 14580, 14483, 14381, 14273,
14159, 14040, 13915, 13786, 13651, 13512, 13368, 13219,
13066, 12909, 12747, 12582, 12412, 12239, 12063, 11883,
11700, 11513, 11324, 11133, 10939, 10742, 10544, 10343,
10141, 9936, 9731, 9524, 9316, 9107, 8898, 8688,
8477, 8266, 8055, 7845, 7634, 7424, 7215, 7007,
6799, 6593, 6388, 6184, 5983, 5783, 5585, 5389,
5196, 5005, 4816, 4631, 4448, 4269, 4092, 3919,
3750, 3584, 3422, 3264, 3110, 2960, 2814, 2673,
2536, 2403, 2276, 2153, 2035, 1922, 1815, 1712,
1615, 1523, 1436, 1355, 1280, 1210, 1146, 1087,
1035, 988, 947, 912, 883, 860, 843, 832,
827, 828, 835, 848, 867, 893, 924, 962,
1005, 1055, 1110, 1172, 1239, 1312, 1391, 1476,
1567, 1663, 1766, 1873, 1987, 2105, 2229, 2359,
2494, 2634, 2779, 2929, 3084, 3244, 3408, 3578,
3751, 3930, 4112, 4299, 4490, 4686, 4885, 5087,
5294, 5504, 5718, 5935, 6155, 6378, 6604, 6834,
7065, 7300, 7537, 7776, 8017, 8261, 8506, 8753,
9002, 9253, 9504, 9757, 10012, 10267, 10523, 10780,
11037, 11295, 11553, 11812, 12070, 12329, 12587, 12845,
13103, 13360, 13616, 13871, 14126, 14380, 14632, 14883,
15133, 15381, 15627, 15872, 16115, 16356, 16595, 16832,
17067, 17299, 17529, 17756, 17980, 18202, 18422, 18638,
18851, 19061, 19268, 19472, 19673, 19871, 20065, 20255,
20442, 20626, 20806, 20982, 21154, 21323, 21488, 21649,
21807, 21960, 22110, 22255, 22397, 22534, 22668, 22797,
22923, 23044, 23162, 23275, 23384, 23489, 23590, 23687,
23780, 23869, 23954, 24035, 24112, 24185, 24254, 24320,
24381, 24438, 24492, 24542, 24588, 24631, 24669, 24705,
24736, 24764, 24789, 24810, 24828, 24843, 24854, 24862,
24867, 24869, 24868, 24865, 24858, 24848, 24836, 24821,
24803, 24783, 24761, 24736, 24709, 24680, 24648, 24614,
24579, 24541, 24502, 24461, 24418, 24374, 24328, 24281,
24232, 24183, 24131, 24079, 24026, 23972, 23917, 23861,
23804, 23747, 23689, 23631, 23572, 23513, 23454, 23394,
23335, 23275, 23216, 23156, 23097, 23038, 22979, 22920,
22862, 22805, 22748, 22692, 22636, 22581, 22527, 22474,
22422, 22370, 22320, 22271, 22223, 22176, 22130, 22086,
22043, 22001, 21961, 21922, 21884, 21849, 21814, 21782,
21750, 21721, 21693, 21667, 21642, 21620, 21599, 21580,
21562, 21547, 21533, 21521, 21511, 21503, 21497, 21493,
21490, 21490, 21491, 21495, 21500, 21507, 21516, 21527,
21539, 21554, 21571, 21589, 21609, 21631, 21655, 21681,
21708, 21738, 21769, 21801, 21836, 21872, 21910, 21949,
21990, 22033, 22077, 22123, 22171, 22219, 22270, 22321,
22375, 22429, 22485, 22542, 22600, 22660, 22721, 22782,
22845, 22910, 22975, 23041, 23108, 23176, 23245, 23315,
23386, 23457, 23529, 23602, 23676, 23750, 23824, 23900,
23975, 24052, 24128, 24205, 24283, 24361, 24438, 24517,
24595, 24674, 24752, 24831, 24910, 24989, 25068, 25146,
25225, 25304, 25382, 25460, 25538, 25616, 25693, 25770,
25847, 25923, 25999, 26075, 26150, 26224, 26298, 26372,
26445, 26517, 26589, 26660, 26730, 26800, 26869, 26937,
27004, 27071, 27137, 27202, 27266, 27330, 27392, 27454,
27515, 27575, 27634, 27692, 27749, 27805, 27861, 27915,
27968, 28021, 28072, 28123, 28172, 28221, 28268, 28315,
28360, 28404, 28448, 28490, 28532, 28572, 28612, 28650,
28688, 28725, 28760, 28795, 28828, 28861, 28893, 28923,
28953, 28982, 29010, 29037, 29063, 29089, 29113, 29136,
29159, 29181, 29202, 29222, 29241, 29260, 29277, 29294,
29310, 29326, 29341, 29355, 29368, 29380, 29392, 29404,
29414, 29424, 29434, 29443, 29451, 29459, 29466, 29472,
29478, 29484, 29489, 29494, 29498, 29502, 29505, 29508,
29511, 29513, 29515, 29517, 29518, 29519, 29520, 29521,
29521, 29521, 29520, 29520, 29519, 29519, 29518, 29517,
29515, 29514, 29513, 29511, 29510, 29508, 29506, 29505,
29503, 29501, 29499, 29498, 29496, 29494, 29493, 29491,
29490, 29488, 29487, 29486, 29484, 29483, 29483, 29482,
29481, 29481, 29481, 29480, 29480, 29481, 29481, 29482,
29482, 29483, 29485, 29486, 29488, 29490, 29492, 29494,
29496, 29499, 29502, 29505, 29509, 29513, 29517, 29521,
29525, 29530, 29535, 29540, 29546, 29551, 29557, 29564,
29570, 29577, 29584, 29591, 29598, 29606, 29614, 29622,
29631, 29639, 29648, 29657, 29667, 29676, 29686, 29696,
29706, 29717, 29728, 29738, 29749, 29761, 29772, 29784,
29796, 29808, 29820, 29832, 29845, 29857, 29870, 29883,
29896, 29910, 29923, 29937, 29950, 29964, 29978, 29992,
30006, 30021, 30035, 30050, 30064, 30079, 30093, 30108,
30123, 30138, 30153, 30168, 30183, 30198, 30213, 30229,
30244, 30259, 30274, 30290, 30305, 30320, 30336, 30351,
30366, 30382, 30397, 30412, 30428, 30443, 30458, 30473,
30488, 30504, 30519, 30534, 30549, 30564, 30579, 30593,
30608, 30623, 30637, 30652, 30667, 30681, 30695, 30710,
30724, 30738, 30752, 30766, 30780, 30794, 30807, 30821,
30834, 30848, 30861, 30874, 30887, 30900, 30913, 30926,
30939, 30951, 30964, 30976, 30988, 31001, 31013, 31025,
31036, 31048, 31060, 31071, 31083, 31094, 31105, 31117,
31128, 31138, 31149, 31160, 31171, 31181, 31191, 31202,
31212, 31222, 31232, 31242, 31252, 31262, 31271, 31281,
31290, 31299, 31309, 31318, 31327, 31336, 31345, 31354,
31362, 31371, 31380, 31388, 31397, 31405, 31413, 31422,
31430, 31438, 31446, 31454, 31462, 31469, 31477, 31485,
31492, 31500, 31508, 31515, 31522, 31530, 31537, 31544,
31552, 31559, 31566, 31573, 31580, 31587, 31594, 31601,
31608, 31615, 31621, 31628, 31635, 31642, 31648, 31655,
31662, 31668, 31675, 31682, 31688, 31695, 31701, 31708,
31714, 31721, 31727, 31733, 31740, 31746, 31753, 31759,
31765, 31772, 31778, 31785, 31791, 31797, 31804, 31810,
31816, 31823, 31829, 31835, 31842, 31848, 31854, 31861,
31867, 31873, 31880, 31886, 31892, 31898, 31905, 31911,
31917, 31924, 31930, 31937, 31943, 31949, 31956, 31962,
31968, 31975, 31981, 31987, 31994, 32000, 32007, 32013,
32019, 32026, 32032, 32039, 32045, 32052, 32058, 32065,
32071, 32077, 32084, 32090, 32097, 32103, 32110, 32116,
32123, 32129, 32136, 32142, 32149, 32155, 32162, 32168,
32175, 32181, 32188, 32194, 32201, 32207, 32214, 32220,
32227, 32233, 32240, 32246, 32253, 32259, 32266, 32272,
32279, 32285, 32292, 32298, 32305, 32311, 32318, 32324,
32331, 32337, 32344, 32350, 32357, 32363, 32370, 32376,
32382, 32389, 32395, 32402, 32408, 32414, 32421, 32427,
32434, 32440, 32446, 32453, 32459, 32465, 32472, 32478,
32484, 32490, 32497, 32503, 32509, 32516, 32522, 32528,
32534, 32540, 32547, 32553, 32559, 32565, 32571, 32577,
32583, 32590, 32596, 32602, 32608, 32614, 32620, 32626,
32632, 32638, 32644, 32650, 32656, 32662, 32668, 32674,
32680, 32686, 32692, 32697, 32703, 32709, 32715, 32721,
32727, 32732, 32738, 32744, 32750, 32756, 32761, 32767,
32767,
};
const prog_uint16_t* const lookup_table_table[] = {
lut_res_env_linear,
lut_res_env_expo,
lut_res_env_quartic,
lut_res_raised_cosine,
lut_res_unipolar_fold,
};
const prog_uint32_t lut_res_env_increments[] PROGMEM = {
@ -348,38 +180,38 @@ const prog_uint32_t lut_res_env_increments[] PROGMEM = {
219043,
};
const prog_uint32_t lut_res_env_increments_slow[] PROGMEM = {
876173, 855969, 836311, 817181, 798563, 780441, 762801, 745627,
728906, 712624, 696767, 681324, 666281, 651626, 637349, 623439,
609883, 596673, 583797, 571247, 559013, 547085, 535455, 524115,
513056, 502270, 491749, 481487, 471475, 461707, 452176, 442875,
433798, 424939, 416292, 407850, 399610, 391564, 383708, 376036,
368544, 361227, 354080, 347098, 340278, 333615, 327104, 320742,
314525, 308449, 302511, 296706, 291032, 285485, 280062, 274760,
269575, 264504, 259546, 254696, 249952, 245312, 240773, 236332,
231987, 227735, 223575, 219504, 215519, 211620, 207803, 204066,
200409, 196828, 193322, 189889, 186528, 183236, 180012, 176855,
173763, 170734, 167767, 164860, 162012, 159222, 156488, 153809,
151184, 148612, 146090, 143619, 141197, 138822, 136495, 134213,
131976, 129782, 127631, 125522, 123454, 121426, 119437, 117486,
115572, 113695, 111853, 110047, 108274, 106535, 104829, 103155,
101512, 99900, 98318, 96765, 95241, 93745, 92277, 90835,
89420, 88031, 86667, 85328, 84013, 82722, 81454, 80209,
78986, 77785, 76605, 75446, 74308, 73190, 72092, 71013,
69953, 68911, 67888, 66883, 65895, 64924, 63969, 63032,
62110, 61204, 60314, 59439, 58578, 57733, 56901, 56084,
55280, 54490, 53713, 52949, 52198, 51460, 50733, 50019,
49316, 48625, 47945, 47277, 46619, 45972, 45336, 44710,
44094, 43488, 42892, 42305, 41728, 41160, 40601, 40051,
39510, 38977, 38453, 37937, 37429, 36929, 36437, 35952,
35475, 35006, 34544, 34089, 33641, 33200, 32765, 32338,
31916, 31502, 31093, 30691, 30295, 29905, 29521, 29143,
28770, 28403, 28041, 27685, 27334, 26988, 26648, 26312,
25981, 25656, 25335, 25019, 24707, 24400, 24097, 23799,
23505, 23216, 22930, 22649, 22372, 22098, 21829, 21564,
21302, 21044, 20789, 20539, 20292, 20048, 19808, 19571,
19337, 19107, 18880, 18656, 18435, 18217, 18003, 17791,
17582, 17376, 17173, 16972, 16775, 16580, 16388, 16198,
16011, 15826, 15644, 15465, 15288, 15113, 14940, 14770,
3504693, 3381406, 3263185, 3149790, 3040997, 2936593, 2836375, 2740152,
2647742, 2558972, 2473679, 2391707, 2312908, 2237142, 2164276, 2094182,
2026741, 1961838, 1899363, 1839212, 1781288, 1725495, 1671745, 1619951,
1570032, 1521911, 1475514, 1430770, 1387612, 1345976, 1305799, 1267025,
1229596, 1193460, 1158565, 1124863, 1092307, 1060853, 1030457, 1001080,
972682, 945226, 918676, 892998, 868159, 844128, 820875, 798370,
776588, 755500, 735082, 715309, 696158, 677607, 659634, 642219,
625341, 608982, 593124, 577749, 562840, 548381, 534356, 520751,
507551, 494743, 482312, 470248, 458536, 447165, 436124, 425402,
414989, 404874, 395047, 385499, 376222, 367205, 358442, 349923,
341641, 333588, 325758, 318142, 310735, 303530, 296520, 289700,
283063, 276605, 270318, 264199, 258242, 252442, 246795, 241296,
235939, 230723, 225641, 220690, 215866, 211166, 206585, 202121,
197770, 193528, 189393, 185361, 181430, 177597, 173858, 170211,
166654, 163184, 159798, 156495, 153272, 150126, 147056, 144060,
141135, 138279, 135491, 132769, 130111, 127516, 124981, 122504,
120086, 117723, 115415, 113160, 110956, 108803, 106698, 104641,
102631, 100666, 98745, 96867, 95030, 93235, 91479, 89762,
88082, 86440, 84833, 83262, 81724, 80220, 78748, 77307,
75898, 74519, 73169, 71847, 70554, 69288, 68048, 66835,
65647, 64483, 63344, 62228, 61136, 60065, 59017, 57990,
56984, 55999, 55034, 54088, 53161, 52252, 51362, 50490,
49635, 48797, 47975, 47170, 46380, 45606, 44848, 44104,
43374, 42658, 41957, 41269, 40594, 39932, 39283, 38646,
38021, 37408, 36806, 36216, 35637, 35069, 34512, 33965,
33428, 32900, 32383, 31875, 31377, 30888, 30407, 29936,
29473, 29018, 28572, 28133, 27703, 27280, 26865, 26457,
26056, 25663, 25276, 24897, 24524, 24157, 23797, 23443,
23096, 22754, 22419, 22089, 21765, 21446, 21133, 20825,
20523, 20226, 19933, 19646, 19364, 19086, 18813, 18544,
18280, 18021, 17765, 17514, 17268, 17025, 16786, 16551,
16320, 16093, 15869, 15650, 15433, 15220, 15011, 14805,
14602,
};

6
pure_adsr/resources.h
View file

@ -42,8 +42,6 @@ extern const prog_uint32_t* const lookup_table_32_table[];
extern const prog_uint16_t lut_res_env_linear[] PROGMEM;
extern const prog_uint16_t lut_res_env_expo[] PROGMEM;
extern const prog_uint16_t lut_res_env_quartic[] PROGMEM;
extern const prog_uint16_t lut_res_raised_cosine[] PROGMEM;
extern const prog_uint16_t lut_res_unipolar_fold[] PROGMEM;
extern const prog_uint32_t lut_res_env_increments[] PROGMEM;
extern const prog_uint32_t lut_res_env_increments_slow[] PROGMEM;
#define STR_RES_DUMMY 0 // dummy
@ -53,10 +51,6 @@ extern const prog_uint32_t lut_res_env_increments_slow[] PROGMEM;
#define LUT_RES_ENV_EXPO_SIZE 257
#define LUT_RES_ENV_QUARTIC 2
#define LUT_RES_ENV_QUARTIC_SIZE 257
#define LUT_RES_RAISED_COSINE 3
#define LUT_RES_RAISED_COSINE_SIZE 257
#define LUT_RES_UNIPOLAR_FOLD 4
#define LUT_RES_UNIPOLAR_FOLD_SIZE 1025
#define LUT_RES_ENV_INCREMENTS 0
#define LUT_RES_ENV_INCREMENTS_SIZE 257
#define LUT_RES_ENV_INCREMENTS_SLOW 1

15
pure_adsr/resources/lookup_tables.py
View file

@ -32,8 +32,7 @@ import numpy
SAMPLE_RATE = 20000000.0 / 510 / 16#/ 4 # hz
WAVESHAPER_SIZE = 1024
WAVETABLE_SIZE = 1024
"""----------------------------------------------------------------------------
LFO and envelope increments.
----------------------------------------------------------------------------"""
@ -65,7 +64,7 @@ lookup_tables_32.append(
# Tides envelopes
max_time = 60.0 * 2 # seconds
min_time = 2
min_time = .5
gamma = 0.175
min_increment = excursion / (max_time * sample_rate)
max_increment = excursion / (min_time * sample_rate)
@ -90,13 +89,3 @@ lookup_tables.append(('env_expo', env_expo / env_expo.max() * 65535.0))
lookup_tables.append(
('env_quartic', env_quartic / env_quartic.max() * 65535.0))
raised_cosine = 0.5 - numpy.cos(env_linear * numpy.pi) / 2
lookup_tables.append(('raised_cosine', raised_cosine * 65535.0))
x = numpy.arange(0, WAVESHAPER_SIZE + 1) / float(WAVESHAPER_SIZE)
x[-1] = x[-2]
sine = numpy.sin(8 * numpy.pi * x)
window = numpy.exp(-x * x * 4) ** 2
unipolar_fold = (0.5 * sine + 2 * x) * window + numpy.arctan(4 * x) * (1 - window)
unipolar_fold /= numpy.abs(unipolar_fold).max()
lookup_tables.append(('unipolar_fold', numpy.round(32767 * unipolar_fold)))

9
pure_adsr/tides.cc
View file

@ -82,15 +82,6 @@ void Tides::Process(
value_ = a + ((b - a) * (t >> 1) >> 15);
int32_t wf_balance = smoothness_ >> 1;
int32_t wf_gain = 2048 + \
(static_cast<int32_t>(smoothness_ >> 1) * (65535 - 2048) >> 15);
int32_t original = value_;
int32_t m = pgm_read_word(lut_res_unipolar_fold + ((original * wf_gain + (1U << 31)) >> 22));
int32_t n = pgm_read_word(lut_res_unipolar_fold + ((original * wf_gain + (1U << 31)) >> 22) + 1);
int32_t folded = m + ((n - m) * static_cast<int32_t>(((original * wf_gain) >> 6) & 0xffff) >> 16);
value_ = original + ((folded - original) * wf_balance >> 15);
value_ = value_ << 1;
phase_ += phase_increment_;
*out++ = value_;
}

51
pure_adsr/tides.h
View file

@ -35,6 +35,8 @@
#include <avrlib/avrlib.h>
#include <stddef.h>
#define max(x, y) (((x) > (y)) ? (x) : (y))
namespace pure_adsr {
class Tides {
@ -47,30 +49,38 @@ class Tides {
void Configure(uint16_t* parameter, ControlMode control_mode)
{
set_ad_loop(parameter[0], parameter[1]);
smoothness_ = parameter[3];
uint8_t waveform_mode = quant.Process(parameter[2] / 65536.0f, 5);
uint16_t param = parameter[2];
uint16_t hold_high_length = 0;
uint16_t hold_low_length = 0;
if(param > 32768) {
hold_high_length = (param - 32768) >> 0;
} else {
hold_low_length = (32768 - param) >> 0;
}
set_ad_f_loop(parameter[0], parameter[1], hold_high_length, hold_low_length);
uint8_t waveform_mode = quant.Process(parameter[3] / 65536.0f, 5);
switch (waveform_mode) {
case 0:
shape_[0] = ENV_SHAPE_QUARTIC;
shape_[1] = ENV_SHAPE_EXPONENTIAL;
shape_[2] = ENV_SHAPE_EXPONENTIAL;
break;
case 1:
shape_[0] = ENV_SHAPE_QUARTIC;
shape_[1] = ENV_SHAPE_QUARTIC;
shape_[2] = ENV_SHAPE_QUARTIC;
break;
case 2:
shape_[0] = ENV_SHAPE_LINEAR;
shape_[1] = ENV_SHAPE_LINEAR;
shape_[2] = ENV_SHAPE_LINEAR;
break;
case 3:
shape_[0] = ENV_SHAPE_EXPONENTIAL;
shape_[1] = ENV_SHAPE_EXPONENTIAL;
shape_[2] = ENV_SHAPE_EXPONENTIAL;
break;
case 4:
shape_[0] = ENV_SHAPE_EXPONENTIAL;
shape_[1] = ENV_SHAPE_QUARTIC;
shape_[2] = ENV_SHAPE_QUARTIC;
break;
}
@ -262,6 +272,31 @@ class Tides {
loop_end_ = 2;
}
inline void set_ad_f_loop(uint16_t attack, uint16_t decay, uint16_t sustain, uint16_t silence)
{
num_segments_ = 4;
sustain_point_ = 0;
level_[0] = 0;
level_[1] = 32767;
level_[2] = 32767;
level_[3] = 0;
level_[4] = 0;
time_[0] = attack;
time_[1] = sustain;
time_[2] = decay;
time_[3] = silence;
shape_[0] = ENV_SHAPE_LINEAR;
shape_[1] = ENV_SHAPE_LINEAR;
shape_[2] = ENV_SHAPE_LINEAR;
shape_[3] = ENV_SHAPE_LINEAR;
loop_start_ = 0;
loop_end_ = 4;
}
inline void set_adr_loop(
uint16_t attack,
uint16_t decay,