sl-perception 067a871103
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feat(perception): wheel encoder differential drive odometry (Issue #184)
Adds saltybot_bridge_msgs package with WheelTicks.msg (int32 left/right
encoder counts) and a WheelOdomNode that subscribes to
/saltybot/wheel_ticks, integrates midpoint-Euler differential drive
kinematics (handling int32 counter rollover), and publishes
nav_msgs/Odometry on /odom_wheel at 50 Hz with optional TF broadcast.

New files:
  jetson/ros2_ws/src/saltybot_bridge_msgs/
    msg/WheelTicks.msg
    CMakeLists.txt, package.xml

  jetson/ros2_ws/src/saltybot_bringup/
    saltybot_bringup/_wheel_odom.py     — pure kinematics (no ROS2 deps)
    saltybot_bringup/wheel_odom_node.py — 50 Hz timer node + TF broadcast
    test/test_wheel_odom.py             — 42 tests, all passing

Modified:
  saltybot_bringup/package.xml  — add saltybot_bridge_msgs, nav_msgs deps
  saltybot_bringup/setup.py     — add wheel_odom console_script entry

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-03-03 00:41:39 -05:00

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1.8 KiB
XML

<?xml version="1.0"?>
<?xml-model href="http://download.ros.org/schema/package_format3.xsd" schematypens="http://www.w3.org/2001/XMLSchema"?>
<package format="3">
<name>saltybot_bringup</name>
<version>0.1.0</version>
<description>SaltyBot launch files — full autonomous stack bringup (sensors, SLAM, Nav2, UWB, perception, follower)</description>
<maintainer email="sl-jetson@saltylab.local">sl-jetson</maintainer>
<license>MIT</license>
<exec_depend>rplidar_ros</exec_depend>
<exec_depend>realsense2_camera</exec_depend>
<exec_depend>realsense2_description</exec_depend>
<exec_depend>slam_toolbox</exec_depend>
<exec_depend>rtabmap_ros</exec_depend>
<exec_depend>nav2_bringup</exec_depend>
<exec_depend>robot_state_publisher</exec_depend>
<exec_depend>tf2_ros</exec_depend>
<exec_depend>rosbridge_server</exec_depend>
<exec_depend>image_transport</exec_depend>
<exec_depend>image_transport_plugins</exec_depend>
<!-- SaltyBot packages included by full_stack.launch.py -->
<exec_depend>saltybot_bridge</exec_depend>
<exec_depend>saltybot_cameras</exec_depend>
<exec_depend>saltybot_description</exec_depend>
<exec_depend>saltybot_follower</exec_depend>
<exec_depend>saltybot_outdoor</exec_depend>
<exec_depend>saltybot_perception</exec_depend>
<!-- HSV color segmentation messages (Issue #274) -->
<exec_depend>saltybot_scene_msgs</exec_depend>
<!-- Wheel encoder messages + odometry (Issue #184) -->
<exec_depend>saltybot_bridge_msgs</exec_depend>
<exec_depend>nav_msgs</exec_depend>
<exec_depend>saltybot_uwb</exec_depend>
<buildtool_depend>ament_python</buildtool_depend>
<test_depend>ament_copyright</test_depend>
<test_depend>ament_flake8</test_depend>
<test_depend>ament_pep257</test_depend>
<export>
<build_type>ament_python</build_type>
</export>
</package>