hackpro-sdk
Version:
65 lines • 2.31 kB
JavaScript
"use strict";
/*
* Copyright 2018 balena.io
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
Object.defineProperty(exports, "__esModule", { value: true });
const usbboot_1 = require("../../source-destination/usbboot");
const adapter_1 = require("./adapter");
let UsbbootScanner;
try {
// tslint:disable: no-var-requires
UsbbootScanner = require('node-raspberrypi-usbboot').UsbbootScanner;
}
catch (error) {
console.warn('Failed to import node-raspberrypi-usbboot:', error);
}
class UsbbootDeviceAdapter extends adapter_1.Adapter {
constructor() {
super();
this.drives = new Map();
if (UsbbootScanner !== undefined) {
this.scanner = new UsbbootScanner();
this.scanner.on('attach', this.onAttach.bind(this));
this.scanner.on('detach', this.onDetach.bind(this));
this.scanner.on('ready', this.emit.bind(this, 'ready'));
this.scanner.on('error', this.emit.bind(this, 'error'));
}
else {
console.warn('node-raspberrypi-usbboot not available');
setImmediate(this.emit.bind(this, 'ready'));
}
}
start() {
this.scanner.start();
}
stop() {
this.scanner.stop();
}
onAttach(device) {
let drive = this.drives.get(device);
if (drive === undefined) {
drive = new usbboot_1.UsbbootDrive(device);
this.drives.set(device, drive);
}
this.emit('attach', drive);
}
onDetach(device) {
const drive = this.drives.get(device);
this.drives.delete(device);
this.emit('detach', drive);
}
}
exports.UsbbootDeviceAdapter = UsbbootDeviceAdapter;
//# sourceMappingURL=usbboot.js.map