@emdzej/j2534-serial

Node.js CDC ACM serial transport for @emdzej/j2534-driver. Talks to the Tactrix OpenPort 2.0 via the kernel's USB CDC ACM driver — /dev/cu.usbmodem* on macOS, /dev/ttyACM* on Linux, COMx on Windows. No sudo required on any platform.

Auto-detects the OpenPort 2.0 by VID and manufacturer string.

Install

npm install @emdzej/j2534-driver @emdzej/j2534-serial

Use

import { J2534Device } from '@emdzej/j2534-driver';
import { createSerialTransport } from '@emdzej/j2534-serial';

// auto-detect
const transport = await createSerialTransport();

// or specify the port explicitly:
const transport2 = await createSerialTransport({ path: '/dev/cu.usbmodem142401' });

const dev = new J2534Device(transport);
await dev.open();
// … see @emdzej/j2534-driver

When to use this vs @emdzej/j2534-usb

| | Serial (this package) | USB | |---|---|---| | Privileges | None | macOS / Linux: sudo | | Driver | Kernel CDC ACM | libusb (userspace) | | Use when | Default — works everywhere | Kernel driver missing / detached |

See also

• Root README
• @emdzej/j2534-driver

License

MIT