dxex/dist/parse-sysex.js

Create and parse sysex for Yamaha DX synthesizers.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.parseSysex = void 0;
const DX_1 = require("./DX");
/**
 * Parse sysex data.
 * @param {number[]} data The sysex data to parse.
 * @return {DX21Voice[] | DX21Voice}
 */
function parseSysex(data) {
    if (data[0] !== 0xF0 || data[data.length - 1] !== 0xF7) {
        throw new Error('Data isn\'t sysex');
    }
    if (data[1] !== 0x43) {
        throw new Error('Incorrect manufacturer ID');
    }
    // DX7
    if (data[3] === 0x00 && data[4] === 0x00 && data[5] === 0x9B) {
        // 1 voice DX7
    }
    else if (data[3] === 0x09 && data[4] === 0xFF && data[5] === 0x00) {
        // 32 voice DX7
    }
    // DX21
    if (data[3] === 0x03 && data[4] === 0x00 && data[5] === 0x5D) {
        // 1 voice DX21
        const dx = new DX_1.DX21(1);
        return dx.parse(data);
    }
    else if (data[3] === 0x04 && data[4] === 0x20 && data[5] === 0x00) {
        // 32 voice DX21
        const dx = new DX_1.DX21(32);
        return dx.parse(data);
    }
    return null;
}
exports.parseSysex = parseSysex;