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76067d6d89
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feat(bd-a2j): RealSense D435i + RPLIDAR A1M8 ROS2 driver integration
Adds saltybot_bringup ROS2 package with four launch files:
- realsense.launch.py — D435i at 640x480x15fps, IMU unified topic
- rplidar.launch.py — RPLIDAR A1M8 via /dev/rplidar udev symlink
- sensors.launch.py — both sensors + static TF (base_link→laser/camera)
- slam.launch.py — sensors + slam_toolbox online_async (compose entry point)
Sensor config YAMLs (mounted at /config/ in container):
- realsense_d435i.yaml — Nano power-budget settings (15fps, no pointcloud)
- rplidar_a1m8.yaml — Standard scan mode, 115200 baud, laser frame
- slam_toolbox_params.yaml — Nano-tuned (2Hz processing, 5cm resolution)
Fixes docker-compose volume mount: ./ros2_ws/src:/ros2_ws/src
(was ./ros2_ws:/ros2_ws/src — would have double-nested the src directory)
Topic reference and verification commands in SENSORS.md.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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2026-02-28 17:14:21 -05:00 |
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7c4e46aaa1
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feat: STM32-to-Jetson ROS2 serial bridge node
saltybot_bridge ROS2 Python package (ament_python):
- serial_bridge_node.py: reads USB CDC JSON telemetry from STM32F722 at 50Hz
Parses exact firmware format: {"p","r","e","ig","m","s","y"} (all ×10 ints)
State enum: 0=DISARMED, 1=ARMED, 2=TILT_FAULT (matched to balance_state_t)
- Publishes sensor_msgs/Imu on /saltybot/imu (pitch/roll/yaw as angular_velocity)
- Publishes std_msgs/String on /saltybot/balance_state (full PID JSON diagnostics)
- Publishes diagnostic_msgs/DiagnosticArray on /diagnostics (OK/WARN/ERROR by state)
- Auto-reconnects on serial disconnect; IMU fault frames → ERROR diagnostic
- launch/bridge.launch.py with serial_port + baud_rate launch args
- config/bridge_params.yaml (921600 baud, /dev/ttyACM0)
- test/test_parse.py: 8 unit tests covering normal, fault, edge cases (all pass)
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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2026-02-28 17:11:02 -05:00 |
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