openarm_teleop/script/launch_unilateral.sh

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#!/bin/bash
#
# Copyright 2025 Enactic, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# ========= Configuration =========
ARM_SIDE=${1:-right_arm} # Required: left_arm or right_arm
LEADER_CAN_IF=$2 # Optional: leader CAN interface
FOLLOWER_CAN_IF=$3 # Optional: follower CAN interface
ARM_TYPE="v10" # Fixed for now
TMPDIR="/tmp/openarm_urdf_gen"
# Validate arm side
if [[ "$ARM_SIDE" != "right_arm" && "$ARM_SIDE" != "left_arm" ]]; then
echo "[ERROR] Invalid arm_side: $ARM_SIDE"
echo "Usage: $0 <arm_side: right_arm|left_arm> [leader_can_if] [follower_can_if]"
exit 1
fi
# Set default CAN interfaces if not provided
if [ -z "$LEADER_CAN_IF" ]; then
if [ "$ARM_SIDE" = "right_arm" ]; then
LEADER_CAN_IF="can0"
else
LEADER_CAN_IF="can1"
fi
fi
if [ -z "$FOLLOWER_CAN_IF" ]; then
if [ "$ARM_SIDE" = "right_arm" ]; then
FOLLOWER_CAN_IF="can2"
else
FOLLOWER_CAN_IF="can3"
fi
fi
# File paths
LEADER_URDF_PATH="$TMPDIR/${ARM_TYPE}_leader.urdf"
FOLLOWER_URDF_PATH="$TMPDIR/${ARM_TYPE}_follower.urdf"
XACRO_FILE="$ARM_TYPE.urdf.xacro"
WS_DIR=~/openarm_ros2_ws
XACRO_PATH="$WS_DIR/src/openarm_description/urdf/robot/$XACRO_FILE"
BIN_PATH="$WS_DIR/src/openarm_teleop/build/unilateral_control"
# Check workspace
if [ ! -d "$WS_DIR" ]; then
echo "[ERROR] Could not find workspace at: $WS_DIR" >&2
echo "We assume the default ROS 2 workspace is ~/openarm_ros2_ws." >&2
echo "If you are using a different workspace, please update WS_DIR in this launch script." >&2
exit 1
fi
# Check openarm_description package
if [ ! -d "$WS_DIR/src/openarm_description" ]; then
echo "[ERROR] Could not find package: $WS_DIR/src/openarm_description" >&2
echo "Please make sure to clone openarm_description into $WS_DIR/src/" >&2
exit 1
fi
# Check xacro
if [ ! -f "$XACRO_PATH" ]; then
echo "[ERROR] Could not find ${XACRO_FILE} under $WS_DIR/src/openarm_description/urdf/robot/" >&2
exit 1
fi
# ================================
# Check binary
if [ ! -f "$BIN_PATH" ]; then
echo "[ERROR] Compiled binary not found at: $BIN_PATH"
exit 1
fi
# Source ROS 2
# shellcheck source=/dev/null
source "$WS_DIR/install/setup.bash"
# Generate URDFs
echo "[INFO] Generating URDFs using xacro..."
mkdir -p "$TMPDIR"
if ! xacro "$XACRO_PATH" bimanual:=true -o "$LEADER_URDF_PATH"; then
echo "[ERROR] Failed to generate URDFs."
exit 1
fi
cp "$LEADER_URDF_PATH" "$FOLLOWER_URDF_PATH"
# Run binary
echo "[INFO] Launching unilateral control..."
"$BIN_PATH" "$LEADER_URDF_PATH" "$FOLLOWER_URDF_PATH" "$ARM_SIDE" "$LEADER_CAN_IF" "$FOLLOWER_CAN_IF"
# Cleanup
echo "[INFO] Cleaning up temporary files..."
rm -rf "$TMPDIR"