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sound.js
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function play (Track: number) {
let bufr = pins.createBuffer(6);
bufr.setNumber(NumberFormat.UInt8BE, 0, 0xAA);
bufr.setNumber(NumberFormat.UInt8BE, 1, 0x07);
bufr.setNumber(NumberFormat.UInt8BE, 2, 0x02);
bufr.setNumber(NumberFormat.UInt8BE, 3, 0x00);
bufr.setNumber(NumberFormat.UInt8BE, 4, Track);
bufr.setNumber(NumberFormat.UInt8BE, 5, Track+0xB3);
serial.writeBuffer(bufr);
}
function volume(vol:number){
let bufr = pins.createBuffer(5);
bufr.setNumber(NumberFormat.UInt8BE, 0, 0xAA);
bufr.setNumber(NumberFormat.UInt8BE, 1, 0x13);
bufr.setNumber(NumberFormat.UInt8BE, 2, 0x01);
bufr.setNumber(NumberFormat.UInt8BE, 3, vol);
bufr.setNumber(NumberFormat.UInt8BE, 4, vol+0xBE);
serial.writeBuffer(bufr);
}
function set_the_loop_mode(mode:number){
let bufr = pins.createBuffer(5);
bufr.setNumber(NumberFormat.UInt8BE, 0, 0xAA);
bufr.setNumber(NumberFormat.UInt8BE, 1, 0x18);
bufr.setNumber(NumberFormat.UInt8BE, 2, 0x01);
bufr.setNumber(NumberFormat.UInt8BE, 3, mode);
bufr.setNumber(NumberFormat.UInt8BE, 4, mode+0xC3);
serial.writeBuffer(bufr);
}
function set_the_numbers_of_loop_time(times:number){
let bufr = pins.createBuffer(6);
bufr.setNumber(NumberFormat.UInt8BE, 0, 0xAA);
bufr.setNumber(NumberFormat.UInt8BE, 1, 0x19);
bufr.setNumber(NumberFormat.UInt8BE, 2, 0x02);
bufr.setNumber(NumberFormat.UInt8BE, 3, 0x00);
bufr.setNumber(NumberFormat.UInt8BE, 4, times);
bufr.setNumber(NumberFormat.UInt8BE, 5, times+0xC5);
serial.writeBuffer(bufr);
}
function pause() {
let bufr = pins.createBuffer(4);
bufr.setNumber(NumberFormat.UInt8BE, 0, 0xAA);
bufr.setNumber(NumberFormat.UInt8BE, 1, 0x03);
bufr.setNumber(NumberFormat.UInt8BE, 2, 0x00);
bufr.setNumber(NumberFormat.UInt8BE, 3, 0xAD);
serial.writeBuffer(bufr);
}
function stop() {
let bufr = pins.createBuffer(4);
bufr.setNumber(NumberFormat.UInt8BE, 0, 0xAA);
bufr.setNumber(NumberFormat.UInt8BE, 1, 0x04);
bufr.setNumber(NumberFormat.UInt8BE, 2, 0x00);
bufr.setNumber(NumberFormat.UInt8BE, 3, 0xAE);
serial.writeBuffer(bufr);
}
let i:number = 0
serial.redirect(
SerialPin.P1,
SerialPin.P0,
BaudRate.BaudRate9600
)
volume(20);
basic.forever(function () {
let i:number = 0;
while (true) {
play(i)
basic.pause(10000)
led.toggle(0, 0)
i++;
}
})