File size: 44,230 Bytes
7a85a0b 5136ade 7a85a0b 792dfe4 7a85a0b 792dfe4 7a85a0b 792dfe4 7a85a0b 792dfe4 7a85a0b 792dfe4 7a85a0b 792dfe4 7a85a0b 792dfe4 7a85a0b 792dfe4 7a85a0b 792dfe4 7a85a0b 792dfe4 7a85a0b 792dfe4 7a85a0b 792dfe4 7a85a0b 15b4b9b 792dfe4 15b4b9b 7a85a0b 792dfe4 7a85a0b 792dfe4 7a85a0b 792dfe4 cc5568f 15b4b9b 792dfe4 15b4b9b 792dfe4 15b4b9b 792dfe4 15b4b9b 792dfe4 15b4b9b 42605a3 792dfe4 7a85a0b 792dfe4 7a85a0b 792dfe4 42605a3 792dfe4 c46caa2 792dfe4 c46caa2 792dfe4 f000e98 c46caa2 792dfe4 c46caa2 792dfe4 c46caa2 792dfe4 941bcc7 792dfe4 0b72b24 792dfe4 0b72b24 792dfe4 0b72b24 792dfe4 941bcc7 792dfe4 359910b 792dfe4 941bcc7 792dfe4 0b72b24 15b4b9b 792dfe4 0b72b24 792dfe4 0b72b24 792dfe4 0b72b24 c46caa2 15b4b9b 792dfe4 15b4b9b 792dfe4 c46caa2 792dfe4 0b72b24 15b4b9b c46caa2 0b72b24 15b4b9b 792dfe4 0b72b24 c46caa2 15b4b9b 792dfe4 15b4b9b 792dfe4 15b4b9b 792dfe4 0b72b24 15b4b9b 792dfe4 0b72b24 792dfe4 15b4b9b 0b72b24 792dfe4 0b72b24 792dfe4 15b4b9b 0b72b24 941bcc7 15b4b9b 7a85a0b 792dfe4 15b4b9b 792dfe4 15b4b9b 792dfe4 15b4b9b c46caa2 15b4b9b c46caa2 1373a35 bd26bbb 1373a35 51ef028 1373a35 af7bd09 fd76978 af7bd09 1373a35 af7bd09 1373a35 fd76978 99aac9d fd76978 99aac9d 51ef028 fd76978 1373a35 fd76978 1373a35 e5a55b2 1373a35 fd76978 1373a35 fd76978 1373a35 99aac9d 1373a35 fd76978 1373a35 76b32b8 1373a35 e5a55b2 1373a35 c46caa2 1373a35 c46caa2 7a85a0b 5136ade a0862a6 1373a35 fd76978 76b32b8 5136ade 1373a35 5136ade fd76978 76b32b8 1373a35 359910b 5136ade 1373a35 5136ade 1373a35 754fcda 5136ade e5a55b2 76b32b8 fd76978 1373a35 e5a55b2 1373a35 76b32b8 bd26bbb ed44796 1373a35 ed44796 1373a35 ed44796 51ef028 ed44796 754fcda 76b32b8 1373a35 e5a55b2 1373a35 5136ade 1373a35 5136ade c46caa2 1373a35 fd76978 1373a35 c46caa2 1373a35 e1435d8 fd76978 e1435d8 fd76978 e1435d8 1373a35 c46caa2 941bcc7 7a85a0b | 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 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 | <!DOCTYPE html>
<html lang="vi">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Bio-Vibe Web</title>
<link rel="icon" href="data:,">
<script src="https://cdnjs.cloudflare.com/ajax/libs/tone/14.8.49/Tone.js"></script>
<style>
body {
font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
background-color: #1a1a2e;
color: #e94560;
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
min-height: 100vh;
margin: 0;
padding: 20px;
box-sizing: border-box;
}
.container {
background-color: #16213e;
padding: 40px;
border-radius: 15px;
text-align: center;
box-shadow: 0 10px 30px rgba(0,0,0,0.5);
max-width: 620px;
width: 100%;
}
h1 { color: #fff; margin-bottom: 5px; }
.subtitle { color: #a2a2bd; margin-bottom: 20px; }
#bpm-display {
font-size: 80px;
font-weight: bold;
margin: 15px 0;
text-shadow: 0 0 15px #e94560;
transition: color 0.3s ease;
}
@keyframes pulse {
0% { transform: scale(1); opacity: 1; }
50% { transform: scale(1.05); opacity: 0.8; }
100% { transform: scale(1); opacity: 1; }
}
/* ---- TABS ---- */
.tab-group {
display: flex;
justify-content: center;
gap: 0;
margin-bottom: 20px;
border-radius: 8px;
overflow: hidden;
border: 1px solid #0f3460;
}
.tab-btn {
flex: 1;
background: #0f3460;
color: #a2a2bd;
border: none;
padding: 10px 16px;
font-size: 14px;
cursor: pointer;
transition: 0.2s;
font-weight: bold;
}
.tab-btn.active { background: #4ecca3; color: #1a1a2e; }
.tab-btn:hover:not(.active) { background: #1a3a6e; color: #fff; }
.tab-panel { display: none; }
.tab-panel.active { display: block; }
/* ---- MANUAL INPUT ---- */
.manual-group {
display: flex;
align-items: center;
justify-content: center;
gap: 12px;
margin: 10px 0 16px;
}
#manual-bpm-input {
background: #0f3460;
border: 1px solid #4ecca3;
border-radius: 8px;
color: #fff;
font-size: 28px;
font-weight: bold;
width: 110px;
text-align: center;
padding: 8px;
}
#manual-bpm-input:focus { outline: 2px solid #4ecca3; }
#btn-manual-set {
background: #4ecca3;
color: #1a1a2e;
border: none;
padding: 10px 18px;
font-size: 15px;
border-radius: 8px;
cursor: pointer;
font-weight: bold;
transition: 0.2s;
}
#btn-manual-set:hover { background: #38b499; }
/* ---- BUTTONS ---- */
.button-group {
display: flex;
justify-content: center;
flex-wrap: wrap;
gap: 12px;
margin-top: 10px;
}
button {
background-color: #0f3460;
color: white;
border: none;
padding: 13px 22px;
font-size: 15px;
border-radius: 8px;
cursor: pointer;
transition: 0.3s;
font-weight: bold;
}
button:hover { background-color: #4ecca3; color: #1a1a2e; }
button:disabled { background-color: #2a2a3e; cursor: not-allowed; color: #555; }
#btn-stop { background-color: #8b0000; }
#btn-stop:hover { background-color: #ff4d4d; color: white; }
#btn-stop:disabled { background-color: #2a2a3e; }
/* ---- STATUS ---- */
#status {
margin-top: 18px;
font-size: 13px;
font-style: italic;
min-height: 20px;
}
.status-ok { color: #4ecca3; }
.status-err { color: #ff4d4d; }
.status-info { color: #a2a2bd; }
/* ---- DEBUG LOG ---- */
.debug-section {
margin-top: 20px;
text-align: left;
}
.debug-toggle {
background: none;
border: none;
color: #555;
font-size: 12px;
cursor: pointer;
padding: 4px 0;
font-style: italic;
}
.debug-toggle:hover { color: #a2a2bd; background: none; }
#debug-log {
display: none;
background: #0a0a1a;
border-radius: 6px;
padding: 10px;
font-size: 11px;
color: #4ecca3;
font-family: monospace;
max-height: 160px;
overflow-y: auto;
margin-top: 6px;
text-align: left;
}
/* ---- QUICK BPM ZONES ---- */
.zone-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:8px; margin:12px 0; }
.zone-btn { background:#0f3460; border:1px solid #1a3a6e; border-radius:10px; color:#fff;
padding:10px 4px; font-size:13px; cursor:pointer; transition:0.2s;
display:flex; flex-direction:column; align-items:center; gap:3px; }
.zone-btn:hover { background:#1a4070; border-color:#4ecca3; }
.zone-btn.active-zone { border-color:#4ecca3; background:#0a2844; }
.zone-btn .zone-emoji { font-size:20px; }
.zone-btn .zone-label { font-size:10px; color:#a2a2bd; }
.zone-btn .zone-bpm { font-size:12px; color:#4ecca3; font-weight:bold; }
.auto-row { display:flex; align-items:center; justify-content:center; gap:10px;
margin-top:8px; font-size:13px; color:#a2a2bd; }
.toggle-wrap { position:relative; width:36px; height:20px; }
.toggle-wrap input { opacity:0; width:100%; height:100%; position:absolute; cursor:pointer; margin:0; z-index:2; }
.toggle-track { position:absolute; inset:0; background:#1a3a6e; border-radius:10px; transition:background 0.2s; }
.toggle-wrap input:checked ~ .toggle-track { background:#4ecca3; }
.toggle-thumb { position:absolute; top:3px; left:3px; width:14px; height:14px;
background:#fff; border-radius:50%; transition:transform 0.2s; pointer-events:none; }
.toggle-wrap input:checked ~ .toggle-thumb { transform:translateX(16px); }
#refresh-interval-wrap { display:none; align-items:center; gap:6px; }
#refresh-interval-wrap.visible { display:flex; }
#refresh-sec { width:52px; background:#0f3460; border:1px solid #4ecca3;
border-radius:6px; color:#fff; font-size:14px; text-align:center; padding:3px; }
/* ---- NOTICE ---- */
.notice {
background: #0f2040;
border-left: 3px solid #e94560;
border-radius: 0 6px 6px 0;
padding: 10px 14px;
margin-bottom: 14px;
font-size: 13px;
color: #a2a2bd;
text-align: left;
}
.notice strong { color: #e94560; }
/* ---- BLE DEVICE CARD ---- */
#ble-idle { }
#ble-card { display:none; }
.scan-hint {
font-size: 12px; color: #4a5a7a; margin-top: 8px; font-style: italic;
}
/* Scanning animation */
.scan-ring-wrap {
display: flex; align-items: center; justify-content: center;
gap: 14px; margin: 12px 0 8px;
}
.scan-ring {
width: 44px; height: 44px; border-radius: 50%;
border: 3px solid transparent;
border-top-color: #4ecca3;
border-right-color: #4ecca366;
animation: spin 1s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.scan-label { color: #4ecca3; font-size: 14px; font-weight: bold; }
/* Connected device card */
.device-card {
background: linear-gradient(135deg, #0a2040 0%, #0f3060 100%);
border: 1px solid #4ecca355;
border-radius: 14px;
padding: 16px 18px;
margin: 10px 0;
display: flex;
align-items: center;
gap: 14px;
text-align: left;
position: relative;
overflow: hidden;
}
.device-card::before {
content: '';
position: absolute;
inset: 0;
background: radial-gradient(ellipse at 20% 50%, #4ecca318 0%, transparent 60%);
pointer-events: none;
}
.device-icon-wrap {
width: 52px; height: 52px; border-radius: 50%;
background: linear-gradient(135deg, #0f3460, #1a4a80);
border: 2px solid #4ecca355;
display: flex; align-items: center; justify-content: center;
font-size: 26px; flex-shrink: 0;
}
.device-info { flex: 1; min-width: 0; }
.device-name {
color: #fff; font-size: 15px; font-weight: bold;
white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.device-sub {
color: #a2a2bd; font-size: 12px; margin-top: 2px;
}
.device-badges {
display: flex; gap: 6px; margin-top: 6px; flex-wrap: wrap;
}
.badge {
background: #0f3460; border: 1px solid #1a4a80;
border-radius: 20px; padding: 2px 9px;
font-size: 11px; color: #a2a2bd;
}
.badge.connected {
background: #0a3020; border-color: #4ecca355; color: #4ecca3;
}
.badge.subscribing {
background: #2a1a00; border-color: #e9a02055; color: #e9a020;
}
.badge.no-hr {
background: #300a0a; border-color: #e9456055; color: #e94560;
}
/* Signal bars */
.signal-wrap {
display: flex; align-items: flex-end; gap: 2px; height: 18px;
}
.sig-bar {
width: 4px; border-radius: 2px; background: #4ecca3;
opacity: 0.25; transition: opacity 0.4s;
}
.sig-bar.active { opacity: 1; }
.sig-bar:nth-child(1) { height: 5px; }
.sig-bar:nth-child(2) { height: 9px; }
.sig-bar:nth-child(3) { height: 13px; }
.sig-bar:nth-child(4) { height: 18px; }
/* Disconnect button */
#btn-disconnect {
background: transparent;
border: 1px solid #e9456066;
color: #e94560;
padding: 6px 13px;
font-size: 12px;
border-radius: 8px;
cursor: pointer;
font-weight: bold;
transition: 0.2s;
flex-shrink: 0;
}
#btn-disconnect:hover {
background: #e9456020; border-color: #e94560;
}
/* Reconnect button (shown when disconnected) */
#btn-reconnect {
display: none;
background: #4ecca322;
border: 1px solid #4ecca355;
color: #4ecca3;
padding: 6px 13px;
font-size: 12px;
border-radius: 8px;
cursor: pointer;
font-weight: bold;
transition: 0.2s;
flex-shrink: 0;
}
#btn-reconnect:hover { background: #4ecca344; }
/* Pulse dot (connection alive indicator) */
.pulse-dot {
width: 8px; height: 8px; border-radius: 50%;
background: #4ecca3;
box-shadow: 0 0 0 0 #4ecca3aa;
animation: pulseDot 1.8s ease infinite;
flex-shrink: 0;
}
@keyframes pulseDot {
0% { box-shadow: 0 0 0 0 #4ecca3aa; }
70% { box-shadow: 0 0 0 7px #4ecca300; }
100% { box-shadow: 0 0 0 0 #4ecca300; }
}
.pulse-dot.dead {
background: #e94560; box-shadow: none; animation: none;
}
</style>
</head>
<body>
<div class="container">
<h1>Bio-Vibe 🎧</h1>
<p class="subtitle">Âm nhạc trị liệu AI theo Nhịp tim</p>
<div id="bpm-display">-- BPM</div>
<!-- TABS -->
<div class="tab-group">
<button class="tab-btn active" onclick="switchTab('ble')">📡 Kết nối BLE</button>
<button class="tab-btn" onclick="switchTab('manual')">✏️ Nhập thủ công</button>
</div>
<!-- TAB: BLE -->
<div id="tab-ble" class="tab-panel active">
<!-- STATE: idle / scanning -->
<div id="ble-idle">
<div class="button-group">
<button id="btn-connect">📡 Quét thiết bị BLE</button>
</div>
<p class="scan-hint">Trình duyệt sẽ mở hộp thoại chọn thiết bị Bluetooth</p>
</div>
<!-- STATE: scanning spinner (shown briefly) -->
<div id="ble-scanning" style="display:none; padding:8px 0 4px;">
<div class="scan-ring-wrap">
<div class="scan-ring"></div>
<span class="scan-label">Đang kết nối…</span>
</div>
</div>
<!-- STATE: connected device card -->
<div id="ble-card" style="display:none;">
<div class="device-card">
<div class="device-icon-wrap" id="dev-icon">⌚</div>
<div class="device-info">
<div class="device-name" id="dev-name">Unknown Device</div>
<div class="device-sub" id="dev-sub">Đang kiểm tra characteristics…</div>
<div class="device-badges">
<span class="badge connected" id="badge-conn">● Đã kết nối</span>
<span class="badge" id="badge-hr" style="display:none"></span>
<span class="badge" id="badge-svc"></span>
</div>
</div>
<div style="display:flex; flex-direction:column; align-items:center; gap:8px;">
<div class="signal-wrap" id="signal-bars">
<div class="sig-bar active"></div>
<div class="sig-bar active"></div>
<div class="sig-bar active"></div>
<div class="sig-bar"></div>
</div>
<div class="pulse-dot" id="pulse-dot"></div>
</div>
<div style="display:flex; flex-direction:column; gap:6px; align-items:flex-end;">
<button id="btn-disconnect">Ngắt kết nối</button>
<button id="btn-reconnect">🔄 Kết nối lại</button>
</div>
</div>
</div>
</div>
<!-- TAB: MANUAL -->
<div id="tab-manual" class="tab-panel">
<p style="color:#a2a2bd; font-size:13px; margin-bottom:6px;">
Nhìn BPM trên Samsung Health → chọn vùng hoặc nhập chính xác bên dưới.
</p>
<!-- Quick zone buttons -->
<div class="zone-grid">
<button class="zone-btn" onclick="setZone(55,'Nghỉ ngơi')">
<span class="zone-emoji">😴</span>
<span class="zone-label">Nghỉ ngơi</span>
<span class="zone-bpm">~55 BPM</span>
</button>
<button class="zone-btn" onclick="setZone(70,'Nhẹ nhàng')">
<span class="zone-emoji">🚶</span>
<span class="zone-label">Nhẹ nhàng</span>
<span class="zone-bpm">~70 BPM</span>
</button>
<button class="zone-btn" onclick="setZone(95,'Vận động')">
<span class="zone-emoji">🏃</span>
<span class="zone-label">Vận động</span>
<span class="zone-bpm">~95 BPM</span>
</button>
<button class="zone-btn" onclick="setZone(130,'Cường độ cao')">
<span class="zone-emoji">🔥</span>
<span class="zone-label">Cường độ cao</span>
<span class="zone-bpm">~130 BPM</span>
</button>
</div>
<!-- Precise input -->
<div class="manual-group">
<input type="number" id="manual-bpm-input" min="30" max="220" value="75"
onkeydown="if(event.key==='Enter') setManualBpm()" />
<button id="btn-manual-set" onclick="setManualBpm()">Áp dụng</button>
</div>
<!-- Auto refresh reminder -->
<div class="auto-row">
<label class="toggle-wrap">
<input type="checkbox" id="auto-refresh-toggle" onchange="toggleAutoRefresh(this.checked)">
<span class="toggle-track"></span>
<span class="toggle-thumb"></span>
</label>
<span>Nhắc cập nhật BPM mỗi</span>
<span id="refresh-interval-wrap">
<input type="number" id="refresh-sec" min="10" max="300" value="30"> giây
</span>
</div>
</div>
<!-- PLAYBACK CONTROLS -->
<div class="button-group" style="margin-top:18px;">
<button id="btn-generate">2. Sinh nhạc AI</button>
<button id="btn-stop" disabled>3. Dừng nhạc</button>
</div>
<div id="status" class="status-info">Chưa có BPM...</div>
<!-- DEBUG -->
<div class="debug-section">
<button class="debug-toggle" onclick="toggleDebug()">▶ Xem log BLE debug</button>
<div id="debug-log"></div>
</div>
</div>
<script>
// ===============================
// STATE
// ===============================
let currentBpm = 0;
let bpmHistory = [];
let currentAudio = null;
let debugVisible = false;
let ws = null; // Biến giữ kết nối WebSocket
const bpmDisplay = document.getElementById('bpm-display');
const statusEl = document.getElementById('status');
const btnConnect = document.getElementById('btn-connect');
const btnGenerate = document.getElementById('btn-generate');
const btnStop = document.getElementById('btn-stop');
const debugLog = document.getElementById('debug-log');
// ===============================
// UI HELPERS
// ===============================
function setStatus(msg, type = 'info') {
statusEl.textContent = msg;
statusEl.className = 'status-' + type;
}
function log(msg) {
const line = document.createElement('div');
line.textContent = '[' + new Date().toLocaleTimeString() + '] ' + msg;
debugLog.appendChild(line);
debugLog.scrollTop = debugLog.scrollHeight;
console.log(msg);
}
function toggleDebug() {
debugVisible = !debugVisible;
debugLog.style.display = debugVisible ? 'block' : 'none';
}
function switchTab(name) {
document.querySelectorAll('.tab-btn').forEach((b, i) => {
b.classList.toggle('active', (i === 0 && name === 'ble') || (i === 1 && name === 'manual'));
});
document.getElementById('tab-ble').classList.toggle('active', name === 'ble');
document.getElementById('tab-manual').classList.toggle('active', name === 'manual');
}
// ===============================
// BPM SMOOTHING
// ===============================
function smoothBpm(val) {
bpmHistory.push(val);
if (bpmHistory.length > 5) bpmHistory.shift();
return Math.round(bpmHistory.reduce((a, b) => a + b, 0) / bpmHistory.length);
}
function applyBpm(raw, source) {
if (raw < 30 || raw > 220) return false;
if (currentBpm !== 0 && Math.abs(raw - currentBpm) > 40) return false;
const smoothed = smoothBpm(raw);
currentBpm = smoothed;
bpmDisplay.textContent = currentBpm + ' BPM';
bpmDisplay.style.color = '#e94560';
setStatus('BPM nhận từ: ' + source, 'ok');
if (ws && ws.readyState === WebSocket.OPEN) {
ws.send(JSON.stringify({ bpm: currentBpm }));
}
return true;
}
// ===============================
// MANUAL BPM
// ===============================
function setManualBpm() {
const val = parseInt(document.getElementById('manual-bpm-input').value, 10);
if (isNaN(val) || val < 30 || val > 220) {
setStatus('Giá trị BPM không hợp lệ (30–220)', 'err');
return;
}
bpmHistory = [];
applyBpm(val, 'Nhập thủ công');
}
function setZone(bpm, label) {
document.getElementById('manual-bpm-input').value = bpm;
bpmHistory = [];
applyBpm(bpm, label);
// Highlight active zone
document.querySelectorAll('.zone-btn').forEach(b => b.classList.remove('active-zone'));
event.currentTarget.classList.add('active-zone');
}
let autoRefreshTimer = null;
function toggleAutoRefresh(on) {
const wrap = document.getElementById('refresh-interval-wrap');
wrap.classList.toggle('visible', on);
if (autoRefreshTimer) { clearInterval(autoRefreshTimer); autoRefreshTimer = null; }
if (on) {
const sec = parseInt(document.getElementById('refresh-sec').value, 10) || 30;
autoRefreshTimer = setInterval(() => {
setStatus(`⏰ Hãy kiểm tra BPM trên Samsung Health và cập nhật!`, 'info');
// Flash BPM display
bpmDisplay.style.opacity = '0.4';
setTimeout(() => bpmDisplay.style.opacity = '1', 600);
}, sec * 1000);
setStatus(`Sẽ nhắc cập nhật BPM mỗi ${sec} giây`, 'ok');
}
}
// ===============================
// PARSE CHUẨN BLE Heart Rate (0x2A37)
// ===============================
function parseHeartRateMeasurement(dataView) {
/*
* Byte 0: Flags
* bit 0 = 0 → Heart Rate Value là UINT8 (byte 1)
* bit 0 = 1 → Heart Rate Value là UINT16 (bytes 1-2, little-endian)
*/
const flags = dataView.getUint8(0);
const is16bit = (flags & 0x01) !== 0;
return is16bit
? dataView.getUint16(1, true)
: dataView.getUint8(1);
}
// ===============================
// HANDLE INCOMING CHARACTERISTIC DATA
// ===============================
function handleCharData(event, uuid, serviceUuid) {
const dv = event.target.value;
const raw = [];
for (let i = 0; i < dv.byteLength; i++) raw.push(dv.getUint8(i));
log(`UUID ${uuid.substring(0,8)}… DATA: [${raw.join(', ')}]`);
const HR_MEASUREMENT_UUID = '00002a37-0000-1000-8000-00805f9b34fb';
// 1. Nếu đúng UUID chuẩn Heart Rate Measurement → parse theo spec
if (uuid === HR_MEASUREMENT_UUID) {
if (dv.byteLength >= 2) {
const bpm = parseHeartRateMeasurement(dv);
log(`Standard HR parse → ${bpm} BPM`);
applyBpm(bpm, 'HR chuẩn BLE');
}
return;
}
// 2. Fallback heuristic cho proprietary chars
// Duyệt từng byte, lấy byte đầu tiên nằm trong [40, 180]
for (let i = 0; i < raw.length; i++) {
const v = raw[i];
if (v >= 40 && v <= 180) {
log(`Heuristic byte[${i}] = ${v} BPM`);
applyBpm(v, `Heuristic (${uuid.substring(0,8)}…)`);
break;
}
}
}
// ===============================
// BLE STATE
// ===============================
let bleDevice = null;
let bleServer = null;
let bleSubCount = 0;
const bleIdle = document.getElementById('ble-idle');
const bleScanning = document.getElementById('ble-scanning');
const bleCard = document.getElementById('ble-card');
const devIcon = document.getElementById('dev-icon');
const devName = document.getElementById('dev-name');
const devSub = document.getElementById('dev-sub');
const badgeConn = document.getElementById('badge-conn');
const badgeHr = document.getElementById('badge-hr');
const badgeSvc = document.getElementById('badge-svc');
const pulseDot = document.getElementById('pulse-dot');
const btnDisconnect = document.getElementById('btn-disconnect');
const btnReconnect = document.getElementById('btn-reconnect');
function guessDeviceIcon(name) {
if (!name) return '📡';
const n = name.toLowerCase();
if (n.includes('polar') || n.includes('hrm') || n.includes('chest')) return '💓';
if (n.includes('garmin')) return '🏃';
if (n.includes('galaxy') || n.includes('watch') || n.includes('samsung')) return '⌚';
if (n.includes('mi band') || n.includes('xiaomi') || n.includes('amazfit')) return '📿';
if (n.includes('fitbit')) return '💪';
return '⌚';
}
function showBleCard(name, subText) {
bleIdle.style.display = 'none';
bleScanning.style.display = 'none';
bleCard.style.display = 'block';
devIcon.textContent = guessDeviceIcon(name);
devName.textContent = name || 'Unknown Device';
devSub.textContent = subText || '';
}
function setBleConnected() {
badgeConn.textContent = '● Đã kết nối';
badgeConn.className = 'badge connected';
pulseDot.classList.remove('dead');
btnDisconnect.style.display = 'inline-block';
btnReconnect.style.display = 'none';
}
function setBleDisconnected() {
badgeConn.textContent = '○ Mất kết nối';
badgeConn.className = 'badge no-hr';
pulseDot.classList.add('dead');
btnDisconnect.style.display = 'none';
btnReconnect.style.display = 'inline-block';
// Animate signal bars off
document.querySelectorAll('.sig-bar').forEach(b => b.classList.remove('active'));
}
function resetBleUI() {
bleCard.style.display = 'none';
bleScanning.style.display = 'none';
bleIdle.style.display = 'block';
badgeHr.style.display = 'none';
bleDevice = null; bleServer = null; bleSubCount = 0;
}
// ===============================
// BLE CONNECT — auto scan tất cả services
// ===============================
async function doBleConnect() {
if (!navigator.bluetooth) {
setStatus('Trình duyệt không hỗ trợ Web Bluetooth!', 'err');
return;
}
try {
setStatus('Đang mở hộp thoại BLE…', 'info');
log('Bắt đầu scan BLE...');
// Show scanning state while picker is open
bleIdle.style.display = 'none';
bleScanning.style.display = 'block';
const device = await navigator.bluetooth.requestDevice({
acceptAllDevices: true,
optionalServices: [
'heart_rate', 'battery_service', 'device_information', 'generic_access',
'0000fee0-0000-1000-8000-00805f9b34fb',
'0000fee1-0000-1000-8000-00805f9b34fb',
'0000181d-0000-1000-8000-00805f9b34fb',
'0000fd00-0000-1000-8000-00805f9b34fb',
'0000180d-0000-1000-8000-00805f9b34fb',
]
});
bleDevice = device;
log(`Device: ${device.name || '(no name)'} id=${device.id}`);
showBleCard(device.name, 'Đang kết nối GATT…');
setStatus('Đang kết nối GATT…', 'info');
// Listen for unexpected disconnects
device.addEventListener('gattserverdisconnected', onGattDisconnected);
bleServer = await device.gatt.connect();
const services = await bleServer.getPrimaryServices();
log(`Tìm thấy ${services.length} service(s)`);
badgeSvc.textContent = `${services.length} services`;
let subscribed = 0;
for (const svc of services) {
log(`Service: ${svc.uuid}`);
let chars;
try { chars = await svc.getCharacteristics(); }
catch (e) { log(` Không đọc được chars: ${e.message}`); continue; }
for (const char of chars) {
const props = char.properties;
log(` Char: ${char.uuid} [notify=${props.notify} indicate=${props.indicate} read=${props.read}]`);
if (props.notify || props.indicate) {
try {
await char.startNotifications();
char.addEventListener('characteristicvaluechanged',
(ev) => handleCharData(ev, char.uuid, svc.uuid));
log(` ✅ Subscribed: ${char.uuid}`);
subscribed++;
} catch (e) { log(` ❌ Subscribe failed: ${e.message}`); }
}
}
}
bleSubCount = subscribed;
setBleConnected();
if (subscribed === 0) {
badgeHr.textContent = '✗ Không có HR';
badgeHr.className = 'badge no-hr';
badgeHr.style.display = 'inline-block';
devSub.textContent = 'Không đọc được HR — thử tab Nhập thủ công';
setStatus('Kết nối OK nhưng thiết bị không stream HR. Thử tab Nhập thủ công.', 'err');
} else {
badgeHr.textContent = `♥ ${subscribed} HR char`;
badgeHr.className = 'badge subscribing';
badgeHr.style.display = 'inline-block';
devSub.textContent = `Đã subscribe ${subscribed} characteristic — đang chờ BPM…`;
setStatus(`Đã subscribe ${subscribed} characteristic, đang chờ BPM…`, 'ok');
}
} catch (err) {
log(`Lỗi: ${err.message}`);
setStatus('Lỗi BLE: ' + err.message, 'err');
resetBleUI();
}
}
// ===============================
// GATT DISCONNECTED EVENT
// ===============================
function onGattDisconnected() {
log('⚠ GATT server disconnected (đồng hồ tự ngắt hoặc ra khỏi tầm)');
setStatus('⚠ Mất kết nối BLE — nhấn "Kết nối lại" để thử lại.', 'err');
setBleDisconnected();
devSub.textContent = 'Mất kết nối — ra khỏi tầm Bluetooth?';
}
// ===============================
// DISCONNECT
// ===============================
function doDisconnect() {
if (bleDevice && bleDevice.gatt.connected) {
bleDevice.gatt.disconnect();
log('Đã ngắt kết nối BLE theo yêu cầu');
}
setBleDisconnected();
devSub.textContent = 'Đã ngắt kết nối';
setStatus('Đã ngắt kết nối BLE.', 'info');
}
// ===============================
// RECONNECT
// ===============================
async function doReconnect() {
if (!bleDevice) { resetBleUI(); return; }
try {
devSub.textContent = 'Đang kết nối lại…';
btnReconnect.disabled = true;
setStatus('Đang kết nối lại GATT…', 'info');
bleServer = await bleDevice.gatt.connect();
const services = await bleServer.getPrimaryServices();
let subscribed = 0;
for (const svc of services) {
let chars;
try { chars = await svc.getCharacteristics(); } catch { continue; }
for (const char of chars) {
const props = char.properties;
if (props.notify || props.indicate) {
try {
await char.startNotifications();
char.addEventListener('characteristicvaluechanged',
(ev) => handleCharData(ev, char.uuid, svc.uuid));
subscribed++;
} catch {}
}
}
}
bleSubCount = subscribed;
setBleConnected();
devSub.textContent = `Kết nối lại thành công — ${subscribed} char`;
setStatus('Kết nối lại BLE thành công!', 'ok');
} catch (err) {
log(`Reconnect failed: ${err.message}`);
setStatus('Kết nối lại thất bại: ' + err.message, 'err');
devSub.textContent = 'Kết nối lại thất bại';
} finally {
btnReconnect.disabled = false;
}
}
btnConnect.addEventListener('click', doBleConnect);
btnDisconnect.addEventListener('click', doDisconnect);
btnReconnect.addEventListener('click', doReconnect);
// ================================================================
// AUDIO CHAIN — volume boosted, gain staging cẩn thận
// ================================================================
const masterGain = new Tone.Gain(1.5).toDestination(); // +3.5dB tổng thể
const limiter = new Tone.Limiter(-0.3).connect(masterGain); // limiter thoáng hơn
const compressor = new Tone.Compressor({
threshold: -14, ratio: 3, attack: 0.008, release: 0.18
}).connect(limiter);
const eq = new Tone.EQ3({ low: 1, mid: 0, high: 2 }).connect(compressor); // low cut: bỏ rumble
const stereo = new Tone.StereoWidener(0.65).connect(eq);
const reverb = new Tone.Reverb({ decay: 3.5, wet: 0.38 }).connect(stereo); // wet sẽ thay đổi theo BPM
const delay = new Tone.FeedbackDelay({ delayTime: "8n", feedback: 0.28, wet: 0.18 }).connect(reverb);
// 🎹 PIANO — volume tăng lên, kết nối thẳng vào delay
const piano = new Tone.Sampler({
volume: 4, // +4dB so với trước (trước là 0)
urls: {
A1:"A1.mp3", C2:"C2.mp3", "D#2":"Ds2.mp3", "F#2":"Fs2.mp3",
A2:"A2.mp3", C3:"C3.mp3", "D#3":"Ds3.mp3", "F#3":"Fs3.mp3",
A3:"A3.mp3", C4:"C4.mp3", "D#4":"Ds4.mp3", "F#4":"Fs4.mp3",
A4:"A4.mp3", C5:"C5.mp3"
},
baseUrl: "https://raw.githubusercontent.com/Tonejs/audio/master/salamander/",
release: 1
}).connect(delay);
// 🌊 STRING PAD — fatsawtooth + lowpass filter: ấm, organic, blend với piano
// "sine" tạo tiếng sóng não vì không có harmonics.
// "fatsawtooth" (3 voice detuned) qua filter ~700Hz = string pad lofi chuẩn.
const padFilter = new Tone.Filter({
frequency: 700,
type: "lowpass",
rolloff: -24 // cắt mạnh để không overlap với piano
}).connect(reverb);
const pad = new Tone.PolySynth(Tone.Synth, {
volume: -9,
oscillator: { type: "fatsawtooth", count: 3, spread: 25 },
envelope: { attack: 1.4, decay: 0.4, sustain: 0.75, release: 3.5 }
}).connect(padFilter);
// Bass synth đã bỏ — chord pad đủ low-end, không cần thêm sub
log("🎹 Đã khởi tạo audio chain. Volume boosted.");
setStatus("Sẵn sàng sinh nhạc AI", "ok");
// ================================================================
// BPM-REACTIVE: thay đổi texture theo nhịp tim
// ================================================================
function applyBpmTexture(bpm) {
// ── ENTRAINMENT LOGIC ──────────────────────────────────────────
// Nhịp tim cao = cơ thể đang stress → nhạc kéo ngược lại: chậm,
// mơ màng, ambient hơn để hạ nhiệt.
// Nhịp tim thấp = nghỉ ngơi → nhạc có thể nhẹ nhàng groove hơn.
// Reverb: BPM CAO = nhiều reverb hơn (mơ màng, bay bổng, dịu)
// BPM thấp = ít reverb (rõ ràng, có chiều sâu nhẹ)
const reverbWet = bpm < 70 ? 0.28 :
bpm < 90 ? 0.35 :
bpm < 110 ? 0.46 : 0.58;
reverb.wet.rampTo(reverbWet, 2.5);
// Delay feedback: BPM cao = echo dài hơn (hypnotic, calming)
const delayFb = bpm < 80 ? 0.16 : bpm < 110 ? 0.24 : 0.34;
delay.feedback.rampTo(delayFb, 2.5);
// Pad volume: BPM cao = pad nổi hơn (ambient nhấn chìm, che melody)
// BPM thấp = pad lùi, melody groove rõ hơn
const padVol = bpm < 75 ? -12 : bpm < 100 ? -8 : -4;
pad.volume.rampTo(padVol, 2.5);
// Pad attack: BPM cao = attack chậm (drifting), thấp = attack vừa
const padAttack = bpm < 75 ? 0.6 : bpm < 100 ? 1.2 : 2.2;
pad.set({ envelope: { attack: padAttack } });
// Lowpass cutoff: BPM cao (calming) → filter tối hơn (500Hz), thấp → sáng hơn (800Hz)
const filterFreq = bpm < 75 ? 800 : bpm < 100 ? 650 : 500;
padFilter.frequency.rampTo(filterFreq, 2.5);
// Nhạc tempo: BPM cao → tempo chậm hơn để kéo nhịp tim xuống
// map BPM [40,180] → music tempo [85, 55] BPM (inverse linear)
const musicTempo = Math.round(85 - (bpm - 40) * (30 / 140));
Tone.getTransport().bpm.rampTo(Math.max(52, Math.min(88, musicTempo)), 3);
// BPM display color theo mức độ stress
// (màu vẫn phản ánh nhịp tim thực, không phải tempo nhạc)
const color = bpm < 70 ? '#4ecca3' : // xanh — bình tĩnh
bpm < 90 ? '#a0d8ef' : // xanh dương — nhẹ nhàng
bpm < 110 ? '#f9c74f' : // vàng — đang tăng
'#e94560'; // đỏ — cần hạ nhiệt
bpmDisplay.style.color = color;
bpmDisplay.style.textShadow = `0 0 20px ${color}`;
log(`🎚 Texture (entrainment) → reverb:${reverbWet} delayFb:${delayFb} padVol:${padVol} musicTempo:${musicTempo}`);
}
// Override applyBpm để gọi texture update
const _origApplyBpm = applyBpm;
// Không thể override function declaration, thêm hook vào ws.send thay thế
function sendBpmToServer(bpm) {
if (ws && ws.readyState === WebSocket.OPEN) {
ws.send(JSON.stringify({ bpm }));
}
applyBpmTexture(bpm);
}
// ================================================================
// WEBSOCKET — sinh nhạc
// ================================================================
btnGenerate.addEventListener('click', async () => {
if (currentBpm === 0) {
alert('Chưa có BPM! Kết nối đồng hồ hoặc nhập thủ công.');
return;
}
await Tone.start();
await Tone.loaded();
log("✅ Piano samples loaded");
// Khôi phục gain (có thể đang = 0 nếu vừa Stop)
masterGain.gain.cancelScheduledValues(Tone.now());
masterGain.gain.setValueAtTime(1.5, Tone.now());
if (ws) ws.close();
setStatus(`Đang kết nối AI với ${currentBpm} BPM…`, 'info');
btnGenerate.textContent = 'AI đang truyền nốt…';
btnGenerate.disabled = true;
btnStop.disabled = false;
bpmDisplay.style.animation = 'pulse 1s infinite';
// Khởi động texture ngay
applyBpmTexture(currentBpm);
const protocol = window.location.protocol === 'https:' ? 'wss:' : 'ws:';
ws = new WebSocket(`${protocol}//${window.location.host}/ws/vibe`);
ws.onopen = () => {
setStatus('🎵 Đang phát nhạc Real-time…', 'ok');
ws.send(JSON.stringify({ bpm: currentBpm }));
};
let startTime = Tone.now() + 0.15;
ws.onmessage = (event) => {
const data = JSON.parse(event.data);
// Sync Transport BPM với music_bpm server trả về (entrainment tempo)
if (data.music_bpm) {
Tone.getTransport().bpm.rampTo(data.music_bpm, 2);
}
data.notes.forEach(n => {
const noteStr = Tone.Frequency(n.note, "midi").toNote();
const t = startTime + n.time;
if (n.type === "melody") {
// Velocity melody cũng phản ánh BPM: cao → piano mạnh hơn
const velBoost = currentBpm > 100 ? 1.15 : 1.0;
const vel = Math.min(1, (n.velocity / 127) * velBoost);
piano.triggerAttackRelease(noteStr, n.duration, t, vel);
}
else if (n.type === "chord") {
pad.triggerAttackRelease(noteStr, n.duration, t, n.velocity / 127);
}
});
startTime += data.batch_duration;
};
// Mỗi khi BPM thay đổi từ đồng hồ/manual → cập nhật texture + drum
const origApply = applyBpm;
// Patch ws.send để bắt BPM change
const _origSend = ws.send.bind(ws);
ws.send = function(data) {
try {
const parsed = JSON.parse(data);
if (parsed.bpm) applyBpmTexture(parsed.bpm);
} catch {}
return _origSend(data);
};
ws.onerror = (err) => {
log('WebSocket Error: ' + err);
setStatus('Lỗi kết nối tới AI!', 'err');
};
ws.onclose = () => {
btnGenerate.textContent = '2. Sinh nhạc AI';
btnGenerate.disabled = false;
btnStop.disabled = true;
bpmDisplay.style.animation = 'none';
};
});
// ================================================================
// STOP — tắt ngay lập tức, không chờ note đã schedule trong buffer
// ================================================================
btnStop.addEventListener('click', () => {
if (ws) { ws.close(); ws = null; }
// cancelScheduledValues triệt tiêu mọi ramp đang chờ,
// setValueAtTime(0) tắt gain TỨC THỜI — kể cả note đã queue sẵn.
// Gain KHÔNG được restore ở đây — chỉ restore khi nhấn Generate lại.
masterGain.gain.cancelScheduledValues(Tone.now());
masterGain.gain.setValueAtTime(0, Tone.now());
piano.releaseAll();
pad.releaseAll();
setStatus('Đã dừng nhạc.', 'info');
});
</script>
</body>
</html> |