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- 'use strict';
- // var f = [262, 294, 330, 349, 392, 440, 494, 523, 587, 659, 698, 784, 880, 988, 1047, 1175, 1319, 1397, 1568, 1760, 1976];
- // var f = [1, 262, 294, 330, 349, 392, 440, 494];
- var f = [1, 523, 587, 659, 698, 784, 880, 988, 1047]
- var duration = 400;
- var gap = 80;
- var music = [1, 2, 3, 1, 1, 2, 3, 1, 3, 4, 5, 3, 4, 5,
- 5, 6, 5, 4, 3, 1, 5, 6, 5, 4, 3, 1, 1, 5, 1, 1, 5, 1]
- var beat = [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 8, 4, 4, 8,
- 3, 1, 3, 1, 4, 4, 3, 1, 3, 1, 4, 4, 4, 4, 8, 4, 4, 8]
- // var f = [10, 30, 50, 70, 90, 110, 130, 150, 170, 190, 210, 230, 250, 270, 290, 310, 330, 350, 370, 390, 410, 430, 450, 470, 490, 510];
- $.ready(function (error) {
- if (error) {
- console.log(error);
- return;
- }
- // $('#buzzer').turnOn();
- for (var i = 0; i < 3; i++) {
- for (var j = 0; j < music.length; j++) {
- $('#led-r').turnOn();
- console.log('playing: ', f[music[j]]);
- play(f[music[j]],beat[j]);
- $('#buzzer').turnOff();
- $('#led-r').turnOff();
- delay(gap);
- }
- console.log('round: ', i);
- }
- $('#buzzer').turnOff();
- })
- function play(sound, beats) {
- var start = Date.now();
- var endAt = start + duration * beats / 4;
- var now = 0;
- var total = 1;
- while (Date.now() < endAt) {
- total++ % 2 ? $('#buzzer')._gpio.write(1) : $('#buzzer')._gpio.write(0);
- // console.log($('#buzzer')._gpio.read());
- delay((1 / sound) * 1000);
- }
- }
- function delay(milliseconds) {
- var start = new Date().getTime();
- for (var i = 0; i < 1e7; i++) {
- if ((new Date().getTime() - start) > milliseconds) {
- break;
- }
- }
- }
- $.end(function () {
- $('#led-r').turnOff();
- $('#buzzer')._gpio.write(0)
- });
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