Skip to content

libcaer_driver

  • Software
  • Perception
  • Driver or SDK

A ROS 2 driver that streams events and frames from Inilabs event-based cameras such as Davis and DvXplorer, using the libcaer library. It is an unofficial successor to the ROS 1 driver.

Made by ROS event camera support.

Source on GitHub: github.com/ros-event-camera/libcaer_driver (opens in a new tab). Facts read at commit a5ea017 (opens in a new tab).

Licenses

Code
Apache-2.0 (opens in a new tab)

Read by Robotheca from LICENSE (opens in a new tab) (Apache-2.0) at commit a5ea017 (opens in a new tab), on 16 Oct 2026.

Commercial use
Yes

What it does

  • Supports Davis 346, Davis 240C, DvXplorer and DvXplorer Micro cameras, tested by the author.
  • Offers compressed (libcaer_cmp, default) or uncompressed event encoding, configurable through parameters.
  • Provides auto exposure for APS frames, with adjustable illumination target and hysteresis.
  • Supports synchronized operation of two cameras via a master/slave sync cable.
  • Includes launch files for recording events with ROS 2 composable nodes, on Humble and on Jazzy and newer.
  • Timestamps for IMU, image and event messages are documented against a sensor clock and host clock.

Written by Robotheca from the project's README (opens in a new tab) at commit a5ea017.

Getting started

Difficulty
Intermediate
Hardware it needs, as the project states it
Event cameras from Inilabs (Davis 346, Davis 240C, DvXplorer, DvXplorer Micro).

Maintenance

Status
Maintained: a commit in the last 12 months
Newest commit
16 Jun 2026 on master
Latest release
None published on GitHub

Checked on GitHub on 16 Oct 2026.

Robots that can run it

No robot on Robotheca is linked to it yet. Links come from a robot's robot.yaml, from its dependency files read as text, or from Robotheca's editors.

Robotheca lists software as a reference: nothing is hosted or run here, and every fact links to where it was read.