@blackmagic-controller/node/dist/hid-device.js

An npm module for interfacing with the Blackmagic usb/bluetooth controllers in node

import { EventEmitter } from 'eventemitter3';
/**
 * The wrapped node-hid HIDDevice.
 * This translates it into the common format expected by @blackmagic-controller/core
 */
export class NodeHIDDevice extends EventEmitter {
    device;
    constructor(device) {
        super();
        this.device = device;
        this.device.on('error', (error) => this.emit('error', error));
        this.device.on('data', (data) => this.emit('input', data));
    }
    async close() {
        await this.device.close();
    }
    async sendFeatureReport(data) {
        await this.device.sendFeatureReport(Buffer.from(data)); // Future: avoid re-wrap
    }
    async getFeatureReport(reportId, reportLength) {
        return this.device.getFeatureReport(reportId, reportLength);
    }
    async sendReports(buffers) {
        const ps = [];
        for (const data of buffers) {
            ps.push(this.device.write(Buffer.from(data))); // Future: avoid re-wrap
        }
        await Promise.all(ps);
    }
    async getDeviceInfo() {
        const info = await this.device.getDeviceInfo();
        return {
            path: info.path,
            productId: info.productId,
            vendorId: info.vendorId,
        };
    }
}
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