diff --git a/.gitignore b/.gitignore
index 6f21ee7..2cc64ce 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,54 +1,60 @@
-build/
-
-# Ignore list for Eagle, a PCB layout tool
-
-# Backup files
-*.s#?
-*.b#?
-*.l#?
-*.b$?
-*.s$?
-*.l$?
-
-# Eagle project file
-# It contains a serial number and references to the file structure
-# on your computer.
-# comment the following line if you want to have your project file included.
-eagle.epf
-
-# Autorouter files
-*.pro
-*.job
-
-# CAM files
-*.$$$
-*.cmp
-*.ly2
-*.l15
-*.sol
-*.plc
-*.stc
-*.sts
-*.crc
-*.crs
-
-*.dri
-*.drl
-*.gpi
-*.pls
-*.ger
-*.gpi
-*.xln
-
-*.drd
-*.drd.*
-
-*.s#*
-*.b#*
-
-*.info
-
-*.eps
-
-# file locks introduced since 7.x
-*.lck
+build/
+
+# Ignore list for Eagle, a PCB layout tool
+
+# Backup files
+*.s#?
+*.b#?
+*.l#?
+*.b$?
+*.s$?
+*.l$?
+
+# Eagle project file
+# It contains a serial number and references to the file structure
+# on your computer.
+# comment the following line if you want to have your project file included.
+eagle.epf
+
+# Autorouter files
+*.pro
+*.job
+
+# CAM files
+*.$$$
+*.cmp
+*.ly2
+*.l15
+*.sol
+*.plc
+*.stc
+*.sts
+*.crc
+*.crs
+
+*.dri
+*.drl
+*.gpi
+*.pls
+*.ger
+*.gpi
+*.xln
+
+*.drd
+*.drd.*
+
+*.s#*
+*.b#*
+
+*.info
+
+*.eps
+
+# file locks introduced since 7.x
+*.lck
+
+**/compile_commands.json
+**/.clangd/
+
+*.pyc
+*.size
diff --git a/.gitmodules b/.gitmodules
index ff6b80e..1f14d08 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,6 @@
[submodule "stmlib"]
path = stmlib
url = https://github.com/jhbruhn/stmlib.git
+[submodule "avrlib"]
+ path = avrlib
+ url = https://github.com/pichenettes/avril.git
diff --git a/avrlib b/avrlib
new file mode 160000
index 0000000..276b288
--- /dev/null
+++ b/avrlib
@@ -0,0 +1 @@
+Subproject commit 276b2887e4110ca913294fcbb313163dfb28a448
diff --git a/stereo_mix/__init__.py b/stereo_mix/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/stereo_mix/bootloader/bootloader.cc b/stereo_mix/bootloader/bootloader.cc
new file mode 100755
index 0000000..484a745
--- /dev/null
+++ b/stereo_mix/bootloader/bootloader.cc
@@ -0,0 +1,43 @@
+// Copyright 2011 Emilie Gillet.
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see .
+//
+// -----------------------------------------------------------------------------
+//
+// Bootloader supporting MIDI SysEx update.
+//
+// Caveat: assumes the firmware flashing is always done from first to last
+// block, in increasing order. Random access flashing is not supported!
+
+#include
+#include
+#include
+
+#include "avrlib/gpio.h"
+#include "avrlib/serial.h"
+#include "avrlib/watchdog_timer.h"
+
+using namespace avrlib;
+
+void (*main_entry_point)(void) = 0x0000;
+
+inline void Init() {
+ cli();
+}
+
+
+int main(void) {
+ ResetWatchdog();
+ Init();
+ _delay_ms(40);
+ main_entry_point();
+}
diff --git a/stereo_mix/bootloader/makefile b/stereo_mix/bootloader/makefile
new file mode 100755
index 0000000..1a175fb
--- /dev/null
+++ b/stereo_mix/bootloader/makefile
@@ -0,0 +1,29 @@
+# Copyright 2011 Emilie Gillet.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see .
+
+VERSION = 0.1
+MCU_NAME = 328
+TARGET = stereo_mix_bootloader
+PACKAGES = avrlib stereo_mix/bootloader avr_audio_bootloader/fsk
+EXTRA_DEFINES = -funsigned-char -fno-inline-small-functions
+EXTRA_LD_FLAGS = ,--section-start=.text=0x7000,--relax
+PROGRAMMER = atmelice_isp
+
+LFUSE = ff
+HFUSE = d8
+EFUSE = 05
+LOCK = ff
+
+include avrlib/makefile.mk
+
+include $(DEP_FILE)
diff --git a/stereo_mix/makefile b/stereo_mix/makefile
new file mode 100644
index 0000000..3bd7d6c
--- /dev/null
+++ b/stereo_mix/makefile
@@ -0,0 +1,43 @@
+# Copyright 2012 Emilie Gillet.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see .
+
+VERSION = 0.1
+MCU_NAME = 328
+TARGET = stereo_mix
+PACKAGES = avrlib avrlib/devices stereo_mix
+RESOURCES = stereo_mix/resources
+PROGRAMMER = atmelice_isp
+
+LFUSE = ff
+HFUSE = d8
+EFUSE = 05
+LOCK = ff
+
+include avrlib/makefile.mk
+
+include $(DEP_FILE)
+
+# Rule for building the firmware update file
+wav: $(TARGET_BIN)
+ python avr_audio_bootloader/fsk/encoder.py \
+ -s 40000 -b 16 -n 8 -z 4 -p 128 -g 128 -k 10 \
+ $(TARGET_BIN)
+
+bootstrap_all:
+ make -f stereo_mix/makefile
+ make -f stereo_mix/bootloader/makefile
+ make -f stereo_mix/bootloader/makefile fuses
+ $(AVRDUDE) -B 1 $(AVRDUDE_COM_OPTS) $(AVRDUDE_ISP_OPTS) \
+ -U flash:w:build/stereo_mix/stereo_mix.hex:i \
+ -U flash:w:build/stereo_mix_bootloader/stereo_mix_bootloader.hex:i \
+ -U lock:w:0xff:m
diff --git a/stereo_mix/resources.cc b/stereo_mix/resources.cc
new file mode 100644
index 0000000..04f9ca0
--- /dev/null
+++ b/stereo_mix/resources.cc
@@ -0,0 +1,176 @@
+// Copyright 2019 Jan-Henrik Bruhn.
+//
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see .
+//
+// -----------------------------------------------------------------------------
+//
+// Resources definitions.
+//
+// Automatically generated with:
+// make resources
+
+
+#include "stereo_mix/resources.h"
+
+namespace stereo_mix {
+
+static const prog_char str_res_dummy[] PROGMEM = "dummy";
+
+
+const prog_char* const string_table[] = {
+ str_res_dummy,
+};
+
+const prog_uint16_t lut_res_linear_to_exp[] PROGMEM = {
+ 0, 1, 2, 3, 4, 5, 6, 7,
+ 8, 9, 10, 11, 12, 13, 14, 15,
+ 16, 17, 18, 19, 20, 21, 22, 23,
+ 24, 25, 26, 27, 28, 29, 30, 31,
+ 32, 33, 34, 35, 36, 37, 38, 39,
+ 40, 41, 42, 43, 44, 45, 46, 47,
+ 48, 49, 50, 51, 52, 53, 54, 55,
+ 56, 57, 58, 59, 60, 61, 62, 63,
+ 64, 65, 66, 67, 68, 69, 70, 71,
+ 72, 73, 74, 75, 76, 77, 78, 79,
+ 80, 81, 82, 83, 84, 85, 86, 87,
+ 88, 89, 90, 91, 92, 93, 94, 95,
+ 96, 97, 98, 99, 100, 101, 102, 103,
+ 104, 105, 106, 107, 108, 109, 110, 111,
+ 112, 113, 114, 115, 116, 117, 118, 119,
+ 120, 121, 122, 123, 124, 125, 126, 127,
+ 128, 129, 130, 131, 132, 133, 134, 135,
+ 136, 137, 138, 139, 140, 141, 142, 143,
+ 144, 145, 146, 147, 148, 149, 150, 151,
+ 152, 153, 154, 155, 156, 157, 158, 159,
+ 160, 161, 162, 163, 164, 165, 166, 167,
+ 168, 169, 170, 171, 172, 173, 174, 175,
+ 176, 177, 178, 179, 180, 181, 182, 183,
+ 184, 185, 186, 187, 188, 189, 190, 191,
+ 192, 193, 194, 195, 196, 197, 198, 199,
+ 200, 201, 202, 203, 204, 205, 206, 207,
+ 208, 209, 210, 211, 212, 213, 214, 215,
+ 216, 217, 218, 219, 220, 221, 222, 223,
+ 224, 225, 226, 227, 228, 229, 230, 231,
+ 232, 233, 234, 235, 236, 237, 238, 239,
+ 240, 241, 242, 243, 244, 245, 246, 247,
+ 248, 249, 250, 251, 252, 253, 254, 255,
+ 256, 257, 258, 259, 260, 261, 262, 263,
+ 264, 265, 266, 267, 268, 269, 270, 271,
+ 272, 273, 274, 275, 276, 277, 278, 279,
+ 280, 281, 282, 283, 284, 285, 286, 287,
+ 288, 289, 290, 291, 292, 293, 294, 295,
+ 296, 297, 298, 299, 300, 301, 302, 303,
+ 304, 305, 306, 307, 308, 309, 310, 311,
+ 312, 313, 314, 315, 316, 317, 318, 319,
+ 320, 321, 322, 323, 324, 325, 326, 327,
+ 328, 329, 330, 331, 332, 333, 334, 335,
+ 336, 337, 338, 339, 340, 341, 342, 343,
+ 344, 345, 346, 347, 348, 349, 350, 351,
+ 352, 353, 354, 355, 356, 357, 358, 359,
+ 360, 361, 362, 363, 364, 365, 366, 367,
+ 368, 369, 370, 371, 372, 373, 374, 375,
+ 376, 377, 378, 379, 380, 381, 382, 383,
+ 384, 385, 386, 387, 388, 389, 390, 391,
+ 392, 393, 394, 395, 396, 397, 398, 399,
+ 400, 401, 402, 403, 404, 405, 406, 407,
+ 408, 409, 410, 411, 412, 413, 414, 415,
+ 416, 417, 418, 419, 420, 421, 422, 423,
+ 424, 425, 426, 427, 428, 429, 430, 431,
+ 432, 433, 434, 435, 436, 437, 438, 439,
+ 440, 441, 442, 443, 444, 445, 446, 447,
+ 448, 449, 450, 451, 452, 453, 454, 455,
+ 456, 457, 458, 459, 460, 461, 462, 463,
+ 464, 465, 466, 467, 468, 469, 470, 471,
+ 472, 473, 474, 475, 476, 477, 478, 479,
+ 480, 481, 482, 483, 484, 485, 486, 487,
+ 488, 489, 490, 491, 492, 493, 494, 495,
+ 496, 497, 498, 499, 500, 501, 502, 503,
+ 504, 505, 506, 507, 508, 509, 510, 511,
+ 512, 513, 514, 515, 516, 517, 518, 519,
+ 520, 521, 522, 523, 524, 525, 526, 527,
+ 528, 529, 530, 531, 532, 533, 534, 535,
+ 536, 537, 538, 539, 540, 541, 542, 543,
+ 544, 545, 546, 547, 548, 549, 550, 551,
+ 552, 553, 554, 555, 556, 557, 558, 559,
+ 560, 561, 562, 563, 564, 565, 566, 567,
+ 568, 569, 570, 571, 572, 573, 574, 575,
+ 576, 577, 578, 579, 580, 581, 582, 583,
+ 584, 585, 586, 587, 588, 589, 590, 591,
+ 592, 593, 594, 595, 596, 597, 598, 599,
+ 600, 601, 602, 603, 604, 605, 606, 607,
+ 608, 609, 610, 611, 612, 613, 614, 615,
+ 616, 617, 618, 619, 620, 621, 622, 623,
+ 624, 625, 626, 627, 628, 629, 630, 631,
+ 632, 633, 634, 635, 636, 637, 638, 639,
+ 640, 641, 642, 643, 644, 645, 646, 647,
+ 648, 649, 650, 651, 652, 653, 654, 655,
+ 656, 657, 658, 659, 660, 661, 662, 663,
+ 664, 665, 666, 667, 668, 669, 670, 671,
+ 672, 673, 674, 675, 676, 677, 678, 679,
+ 680, 681, 682, 683, 684, 685, 686, 687,
+ 688, 689, 690, 691, 692, 693, 694, 695,
+ 696, 697, 698, 699, 700, 701, 702, 703,
+ 704, 705, 706, 707, 708, 709, 710, 711,
+ 712, 713, 714, 715, 716, 717, 718, 719,
+ 720, 721, 722, 723, 724, 725, 726, 727,
+ 728, 729, 730, 731, 732, 733, 734, 735,
+ 736, 737, 738, 739, 740, 741, 742, 743,
+ 744, 745, 746, 747, 748, 749, 750, 751,
+ 752, 753, 754, 755, 756, 757, 758, 759,
+ 760, 761, 762, 763, 764, 765, 766, 767,
+ 768, 769, 770, 771, 772, 773, 774, 775,
+ 776, 777, 778, 779, 780, 781, 782, 783,
+ 784, 785, 786, 787, 788, 789, 790, 791,
+ 792, 793, 794, 795, 796, 797, 798, 799,
+ 800, 801, 802, 803, 804, 805, 806, 807,
+ 808, 809, 810, 811, 812, 813, 814, 815,
+ 816, 817, 818, 819, 820, 821, 822, 823,
+ 824, 825, 826, 827, 828, 829, 830, 831,
+ 832, 833, 834, 835, 836, 837, 838, 839,
+ 840, 841, 842, 843, 844, 845, 846, 847,
+ 848, 849, 850, 851, 852, 853, 854, 855,
+ 856, 857, 858, 859, 860, 861, 862, 863,
+ 864, 865, 866, 867, 868, 869, 870, 871,
+ 872, 873, 874, 875, 876, 877, 878, 879,
+ 880, 881, 882, 883, 884, 885, 886, 887,
+ 888, 889, 890, 891, 892, 893, 894, 895,
+ 896, 897, 898, 899, 900, 901, 902, 903,
+ 904, 905, 906, 907, 908, 909, 910, 911,
+ 912, 913, 914, 915, 916, 917, 918, 919,
+ 920, 921, 922, 923, 924, 925, 926, 927,
+ 928, 929, 930, 931, 932, 933, 934, 935,
+ 936, 937, 938, 939, 940, 941, 942, 943,
+ 944, 945, 946, 947, 948, 949, 950, 951,
+ 952, 953, 954, 955, 956, 957, 958, 959,
+ 960, 961, 962, 963, 964, 965, 966, 967,
+ 968, 969, 970, 971, 972, 973, 974, 975,
+ 976, 977, 978, 979, 980, 981, 982, 983,
+ 984, 985, 986, 987, 988, 989, 990, 991,
+ 992, 993, 994, 995, 996, 997, 998, 999,
+ 1000, 1001, 1002, 1003, 1004, 1005, 1006, 1007,
+ 1008, 1009, 1010, 1011, 1012, 1013, 1014, 1015,
+ 1016, 1017, 1018, 1019, 1020, 1021, 1022, 1023,
+};
+
+
+const prog_uint16_t* const lookup_table_table[] = {
+ lut_res_linear_to_exp,
+};
+
+
+
+const prog_uint32_t* const lookup_table_32_table[] = {
+};
+
+
+} // namespace stereo_mix
diff --git a/stereo_mix/resources.h b/stereo_mix/resources.h
new file mode 100644
index 0000000..6cea42a
--- /dev/null
+++ b/stereo_mix/resources.h
@@ -0,0 +1,49 @@
+// Copyright 2019 Jan-Henrik Bruhn.
+//
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see .
+//
+// -----------------------------------------------------------------------------
+//
+// Resources definitions.
+//
+// Automatically generated with:
+// make resources
+
+
+#ifndef STEREO_MIX_RESOURCES_H_
+#define STEREO_MIX_RESOURCES_H_
+
+
+#include "avrlib/avrlib.h"
+#include
+
+
+
+namespace stereo_mix {
+
+typedef uint8_t ResourceId;
+
+extern const prog_char* const string_table[];
+
+extern const prog_uint16_t* const lookup_table_table[];
+
+extern const prog_uint32_t* const lookup_table_32_table[];
+
+extern const prog_uint16_t lut_res_linear_to_exp[] PROGMEM;
+#define STR_RES_DUMMY 0 // dummy
+#define LUT_RES_LINEAR_TO_EXP 0
+#define LUT_RES_LINEAR_TO_EXP_SIZE 1024
+
+} // namespace stereo_mix
+
+#endif // STEREO_MIX_RESOURCES_H_
diff --git a/stereo_mix/resources/__init__.py b/stereo_mix/resources/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/stereo_mix/resources/lookup_tables.py b/stereo_mix/resources/lookup_tables.py
new file mode 100644
index 0000000..8f4f625
--- /dev/null
+++ b/stereo_mix/resources/lookup_tables.py
@@ -0,0 +1,16 @@
+import numpy
+lookup_tables = []
+lookup_tables_32 = []
+
+
+# linear to exponential conversion
+
+values = []
+size = 1024.0
+for x in range(int(size)):
+ if x == 0:
+ values.append(0)
+ else:
+ values.append((x ** 2) / x)
+
+lookup_tables.append(('linear_to_exp', values))
diff --git a/stereo_mix/resources/resources.py b/stereo_mix/resources/resources.py
new file mode 100644
index 0000000..ba0d396
--- /dev/null
+++ b/stereo_mix/resources/resources.py
@@ -0,0 +1,64 @@
+#!/usr/bin/python2.5
+#
+# Copyright 2012 Emilie Gillet.
+#
+# Author: Emilie Gillet (emilie.o.gillet@gmail.com)
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see .
+#
+# -----------------------------------------------------------------------------
+#
+# Master resources file.
+
+header = """// Copyright 2019 Jan-Henrik Bruhn.
+//
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see .
+//
+// -----------------------------------------------------------------------------
+//
+// Resources definitions.
+//
+// Automatically generated with:
+// make resources
+"""
+
+namespace = 'stereo_mix'
+target = 'stereo_mix'
+modifier = 'PROGMEM'
+types = ['uint8_t', 'uint16_t']
+includes = """
+#include "avrlib/avrlib.h"
+#include
+"""
+
+import lookup_tables
+
+create_specialized_manager = False
+
+resources = [
+ ('dummy', 'string', 'STR_RES', 'prog_char', str, True),
+ (lookup_tables.lookup_tables,
+ 'lookup_table', 'LUT_RES', 'prog_uint16_t', int, True),
+ (lookup_tables.lookup_tables_32,
+ 'lookup_table_32', 'LUT_RES', 'prog_uint32_t', int, True)
+]
+
diff --git a/stereo_mix/stereo_mix.cc b/stereo_mix/stereo_mix.cc
new file mode 100644
index 0000000..8f46037
--- /dev/null
+++ b/stereo_mix/stereo_mix.cc
@@ -0,0 +1,65 @@
+#include
+#include
+
+#include "avrlib/adc.h"
+#include "avrlib/avrlib.h"
+#include "avrlib/devices/mcp492x.h"
+#include "avrlib/gpio.h"
+#include "avrlib/spi.h"
+#include "avrlib/watchdog_timer.h"
+
+#include "stereo_mix/resources.h"
+
+#define degToRad(angleInDegrees) ((angleInDegrees)*M_PI / 180.0)
+
+using namespace avrlib;
+using namespace stereo_mix;
+
+typedef SpiMaster, MSB_FIRST, 2> dac1Spi;
+typedef Dac Dac1;
+typedef SpiMaster, MSB_FIRST, 2> dac2Spi;
+typedef Dac Dac2;
+typedef SpiMaster, MSB_FIRST, 2> dac3Spi;
+typedef Dac Dac3;
+typedef SpiMaster, MSB_FIRST, 2> dac4Spi;
+typedef Dac Dac4;
+
+typedef AdcInputScanner AnalogInputs;
+
+#define NUM_CHANNELS 4
+
+uint16_t volume[NUM_CHANNELS];
+float pan[NUM_CHANNELS];
+
+int main(void)
+{
+ Dac1::Init();
+ Dac2::Init();
+ Dac3::Init();
+ Dac4::Init();
+
+ AnalogInputs::Init();
+ AnalogInputs::set_num_inputs(8);
+
+ while (true) {
+ ResetWatchdog();
+
+ AnalogInputs::Scan();
+ for (int i = 0; i < NUM_CHANNELS; i++) {
+ volume[i] = pgm_read_word_near(lut_res_linear_to_exp + AnalogInputs::Read(i));
+ if(volume[i] < 7) // some ADSRs dont seem to close completely, lets gate very low voltages...
+ volume[i] = 0;
+ int16_t panRead = AnalogInputs::Read(i + NUM_CHANNELS);
+ pan[i] = (panRead / 1024.0) * M_PI_2; // convert 0 to 90° to radians
+ }
+
+ Dac1::Write((uint16_t)((volume[0]) * sin(pan[0])) << 2, 0);
+ Dac1::Write((uint16_t)((volume[0]) * cos(pan[0])) << 2, 1);
+ Dac2::Write((uint16_t)((volume[1]) * sin(pan[1])) << 2, 0);
+ Dac2::Write((uint16_t)((volume[1]) * cos(pan[1])) << 2, 1);
+ Dac3::Write((uint16_t)((volume[2]) * sin(pan[2])) << 2, 0);
+ Dac3::Write((uint16_t)((volume[2]) * cos(pan[2])) << 2, 1);
+ Dac4::Write((uint16_t)((volume[3]) * sin(pan[3])) << 2, 0);
+ Dac4::Write((uint16_t)((volume[3]) * cos(pan[3])) << 2, 1);
+ }
+}