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2025-04-27 20:58:23 +08:00
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import numpy as np
from einops import rearrange
from collections import deque
import rospy
from std_msgs.msg import Header
from geometry_msgs.msg import Twist
from sensor_msgs.msg import JointState, Image
from nav_msgs.msg import Odometry
from cv_bridge import CvBridge
import threading
class RosOperator:
def __init__(self, args):
self.robot_base_deque = None
self.puppet_arm_right_deque = None
self.puppet_arm_left_deque = None
self.img_front_deque = None
self.img_right_deque = None
self.img_left_deque = None
self.img_front_depth_deque = None
self.img_right_depth_deque = None
self.img_left_depth_deque = None
self.bridge = None
self.puppet_arm_left_publisher = None
self.puppet_arm_right_publisher = None
self.robot_base_publisher = None
self.puppet_arm_publish_thread = None
self.puppet_arm_publish_lock = None
self.args = args
self.ctrl_state = False
self.ctrl_state_lock = threading.Lock()
self.init()
self.init_ros()
def init(self):
self.bridge = CvBridge()
self.img_left_deque = deque()
self.img_right_deque = deque()
self.img_front_deque = deque()
self.img_left_depth_deque = deque()
self.img_right_depth_deque = deque()
self.img_front_depth_deque = deque()
self.puppet_arm_left_deque = deque()
self.puppet_arm_right_deque = deque()
self.robot_base_deque = deque()
self.puppet_arm_publish_lock = threading.Lock()
self.puppet_arm_publish_lock.acquire()
def puppet_arm_publish(self, left, right):
# 默认速度和力矩值
last_velocity = [-0.010990142822265625, -0.010990142822265625, -0.03296661376953125,
0.010990142822265625, -0.010990142822265625, -0.010990142822265625,
-0.010990142822265625, -0.010990142822265625, -0.010990142822265625,
-0.03296661376953125, -0.010990142822265625, -0.010990142822265625,
-0.03296661376953125, -0.03296661376953125]
last_effort = [-0.021978378295898438, 0.2417583465576172, 0.320878982543945,
0.1527481079101562, -0.013187408447265625, -0.013187408447265625,
0.0, -0.03076934814453125, -0.3296699523925781, 0.43956756591797,
0.5208797454833984, -0.11868095397949219, 0.03956031799316406, 0.0]
# 修正位置
left[-1] *= 12
right[-1] *= 12
# 始终为正数小于0的裁剪为0
left[-1] = max(left[-1], 0)
right[-1] = max(right[-1], 0)
joint_state_msg = JointState()
joint_state_msg.header = Header()
joint_state_msg.header.stamp = rospy.Time.now() # 设置时间戳
joint_state_msg.name = ['joint0', 'joint1', 'joint2', 'joint3', 'joint4', 'joint5', 'joint6'] # 设置关节名称
joint_state_msg.position = left
joint_state_msg.velocity = last_velocity[:7]
joint_state_msg.effort = last_effort[:7]
self.puppet_arm_left_publisher.publish(joint_state_msg)
joint_state_msg.position = right
joint_state_msg.velocity = last_velocity[7:]
joint_state_msg.effort = last_effort[7:]
self.puppet_arm_right_publisher.publish(joint_state_msg)
def robot_base_publish(self, vel):
vel_msg = Twist()
vel_msg.linear.x = vel[0]
vel_msg.linear.y = 0
vel_msg.linear.z = 0
vel_msg.angular.x = 0
vel_msg.angular.y = 0
vel_msg.angular.z = vel[1]
self.robot_base_publisher.publish(vel_msg)
def puppet_arm_publish_continuous(self, left, right):
rate = rospy.Rate(self.args.publish_rate)
left_arm = None
right_arm = None
while True and not rospy.is_shutdown():
if len(self.puppet_arm_left_deque) != 0:
left_arm = list(self.puppet_arm_left_deque[-1].position)
if len(self.puppet_arm_right_deque) != 0:
right_arm = list(self.puppet_arm_right_deque[-1].position)
if left_arm is None or right_arm is None:
rate.sleep()
continue
else:
break
left_symbol = [1 if left[i] - left_arm[i] > 0 else -1 for i in range(len(left))]
right_symbol = [1 if right[i] - right_arm[i] > 0 else -1 for i in range(len(right))]
flag = True
step = 0
while flag and not rospy.is_shutdown():
if self.puppet_arm_publish_lock.acquire(False):
return
left_diff = [abs(left[i] - left_arm[i]) for i in range(len(left))]
right_diff = [abs(right[i] - right_arm[i]) for i in range(len(right))]
flag = False
for i in range(len(left)):
if left_diff[i] < self.args.arm_steps_length[i]:
left_arm[i] = left[i]
else:
left_arm[i] += left_symbol[i] * self.args.arm_steps_length[i]
flag = True
for i in range(len(right)):
if right_diff[i] < self.args.arm_steps_length[i]:
right_arm[i] = right[i]
else:
right_arm[i] += right_symbol[i] * self.args.arm_steps_length[i]
flag = True
joint_state_msg = JointState()
joint_state_msg.header = Header()
joint_state_msg.header.stamp = rospy.Time.now() # 设置时间戳
joint_state_msg.name = ['joint0', 'joint1', 'joint2', 'joint3', 'joint4', 'joint5', 'joint6'] # 设置关节名称
joint_state_msg.position = left_arm
self.puppet_arm_left_publisher.publish(joint_state_msg)
joint_state_msg.position = right_arm
self.puppet_arm_right_publisher.publish(joint_state_msg)
step += 1
print("puppet_arm_publish_continuous:", step)
rate.sleep()
def puppet_arm_publish_linear(self, left, right):
num_step = 100
rate = rospy.Rate(200)
left_arm = None
right_arm = None
while True and not rospy.is_shutdown():
if len(self.puppet_arm_left_deque) != 0:
left_arm = list(self.puppet_arm_left_deque[-1].position)
if len(self.puppet_arm_right_deque) != 0:
right_arm = list(self.puppet_arm_right_deque[-1].position)
if left_arm is None or right_arm is None:
rate.sleep()
continue
else:
break
traj_left_list = np.linspace(left_arm, left, num_step)
traj_right_list = np.linspace(right_arm, right, num_step)
for i in range(len(traj_left_list)):
traj_left = traj_left_list[i]
traj_right = traj_right_list[i]
traj_left[-1] = left[-1]
traj_right[-1] = right[-1]
joint_state_msg = JointState()
joint_state_msg.header = Header()
joint_state_msg.header.stamp = rospy.Time.now() # 设置时间戳
joint_state_msg.name = ['joint0', 'joint1', 'joint2', 'joint3', 'joint4', 'joint5', 'joint6'] # 设置关节名称
joint_state_msg.position = traj_left
self.puppet_arm_left_publisher.publish(joint_state_msg)
joint_state_msg.position = traj_right
self.puppet_arm_right_publisher.publish(joint_state_msg)
rate.sleep()
def puppet_arm_publish_continuous_thread(self, left, right):
if self.puppet_arm_publish_thread is not None:
self.puppet_arm_publish_lock.release()
self.puppet_arm_publish_thread.join()
self.puppet_arm_publish_lock.acquire(False)
self.puppet_arm_publish_thread = None
self.puppet_arm_publish_thread = threading.Thread(target=self.puppet_arm_publish_continuous, args=(left, right))
self.puppet_arm_publish_thread.start()
def get_frame(self):
if len(self.img_left_deque) == 0 or len(self.img_right_deque) == 0 or len(self.img_front_deque) == 0 or \
(self.args.use_depth_image and (len(self.img_left_depth_deque) == 0 or len(self.img_right_depth_deque) == 0 or len(self.img_front_depth_deque) == 0)):
return False
if self.args.use_depth_image:
frame_time = min([self.img_left_deque[-1].header.stamp.to_sec(), self.img_right_deque[-1].header.stamp.to_sec(), self.img_front_deque[-1].header.stamp.to_sec(),
self.img_left_depth_deque[-1].header.stamp.to_sec(), self.img_right_depth_deque[-1].header.stamp.to_sec(), self.img_front_depth_deque[-1].header.stamp.to_sec()])
else:
frame_time = min([self.img_left_deque[-1].header.stamp.to_sec(), self.img_right_deque[-1].header.stamp.to_sec(), self.img_front_deque[-1].header.stamp.to_sec()])
if len(self.img_left_deque) == 0 or self.img_left_deque[-1].header.stamp.to_sec() < frame_time:
return False
if len(self.img_right_deque) == 0 or self.img_right_deque[-1].header.stamp.to_sec() < frame_time:
return False
if len(self.img_front_deque) == 0 or self.img_front_deque[-1].header.stamp.to_sec() < frame_time:
return False
if len(self.puppet_arm_left_deque) == 0 or self.puppet_arm_left_deque[-1].header.stamp.to_sec() < frame_time:
return False
if len(self.puppet_arm_right_deque) == 0 or self.puppet_arm_right_deque[-1].header.stamp.to_sec() < frame_time:
return False
if self.args.use_depth_image and (len(self.img_left_depth_deque) == 0 or self.img_left_depth_deque[-1].header.stamp.to_sec() < frame_time):
return False
if self.args.use_depth_image and (len(self.img_right_depth_deque) == 0 or self.img_right_depth_deque[-1].header.stamp.to_sec() < frame_time):
return False
if self.args.use_depth_image and (len(self.img_front_depth_deque) == 0 or self.img_front_depth_deque[-1].header.stamp.to_sec() < frame_time):
return False
if self.args.use_robot_base and (len(self.robot_base_deque) == 0 or self.robot_base_deque[-1].header.stamp.to_sec() < frame_time):
return False
while self.img_left_deque[0].header.stamp.to_sec() < frame_time:
self.img_left_deque.popleft()
img_left = self.bridge.imgmsg_to_cv2(self.img_left_deque.popleft(), 'passthrough')
while self.img_right_deque[0].header.stamp.to_sec() < frame_time:
self.img_right_deque.popleft()
img_right = self.bridge.imgmsg_to_cv2(self.img_right_deque.popleft(), 'passthrough')
while self.img_front_deque[0].header.stamp.to_sec() < frame_time:
self.img_front_deque.popleft()
img_front = self.bridge.imgmsg_to_cv2(self.img_front_deque.popleft(), 'passthrough')
while self.puppet_arm_left_deque[0].header.stamp.to_sec() < frame_time:
self.puppet_arm_left_deque.popleft()
puppet_arm_left = self.puppet_arm_left_deque.popleft()
while self.puppet_arm_right_deque[0].header.stamp.to_sec() < frame_time:
self.puppet_arm_right_deque.popleft()
puppet_arm_right = self.puppet_arm_right_deque.popleft()
img_left_depth = None
if self.args.use_depth_image:
while self.img_left_depth_deque[0].header.stamp.to_sec() < frame_time:
self.img_left_depth_deque.popleft()
img_left_depth = self.bridge.imgmsg_to_cv2(self.img_left_depth_deque.popleft(), 'passthrough')
img_right_depth = None
if self.args.use_depth_image:
while self.img_right_depth_deque[0].header.stamp.to_sec() < frame_time:
self.img_right_depth_deque.popleft()
img_right_depth = self.bridge.imgmsg_to_cv2(self.img_right_depth_deque.popleft(), 'passthrough')
img_front_depth = None
if self.args.use_depth_image:
while self.img_front_depth_deque[0].header.stamp.to_sec() < frame_time:
self.img_front_depth_deque.popleft()
img_front_depth = self.bridge.imgmsg_to_cv2(self.img_front_depth_deque.popleft(), 'passthrough')
robot_base = None
if self.args.use_robot_base:
while self.robot_base_deque[0].header.stamp.to_sec() < frame_time:
self.robot_base_deque.popleft()
robot_base = self.robot_base_deque.popleft()
return (img_front, img_left, img_right, img_front_depth, img_left_depth, img_right_depth,
puppet_arm_left, puppet_arm_right, robot_base)
def img_left_callback(self, msg):
if len(self.img_left_deque) >= 2000:
self.img_left_deque.popleft()
self.img_left_deque.append(msg)
def img_right_callback(self, msg):
if len(self.img_right_deque) >= 2000:
self.img_right_deque.popleft()
self.img_right_deque.append(msg)
def img_front_callback(self, msg):
if len(self.img_front_deque) >= 2000:
self.img_front_deque.popleft()
self.img_front_deque.append(msg)
def img_left_depth_callback(self, msg):
if len(self.img_left_depth_deque) >= 2000:
self.img_left_depth_deque.popleft()
self.img_left_depth_deque.append(msg)
def img_right_depth_callback(self, msg):
if len(self.img_right_depth_deque) >= 2000:
self.img_right_depth_deque.popleft()
self.img_right_depth_deque.append(msg)
def img_front_depth_callback(self, msg):
if len(self.img_front_depth_deque) >= 2000:
self.img_front_depth_deque.popleft()
self.img_front_depth_deque.append(msg)
def puppet_arm_left_callback(self, msg):
if len(self.puppet_arm_left_deque) >= 2000:
self.puppet_arm_left_deque.popleft()
self.puppet_arm_left_deque.append(msg)
def puppet_arm_right_callback(self, msg):
if len(self.puppet_arm_right_deque) >= 2000:
self.puppet_arm_right_deque.popleft()
self.puppet_arm_right_deque.append(msg)
def robot_base_callback(self, msg):
if len(self.robot_base_deque) >= 2000:
self.robot_base_deque.popleft()
self.robot_base_deque.append(msg)
def ctrl_callback(self, msg):
self.ctrl_state_lock.acquire()
self.ctrl_state = msg.data
self.ctrl_state_lock.release()
def get_ctrl_state(self):
self.ctrl_state_lock.acquire()
state = self.ctrl_state
self.ctrl_state_lock.release()
return state
def init_ros(self):
rospy.init_node('joint_state_publisher', anonymous=True)
rospy.Subscriber(self.args.img_left_topic, Image, self.img_left_callback, queue_size=1000, tcp_nodelay=True)
rospy.Subscriber(self.args.img_right_topic, Image, self.img_right_callback, queue_size=1000, tcp_nodelay=True)
rospy.Subscriber(self.args.img_front_topic, Image, self.img_front_callback, queue_size=1000, tcp_nodelay=True)
if self.args.use_depth_image:
rospy.Subscriber(self.args.img_left_depth_topic, Image, self.img_left_depth_callback, queue_size=1000, tcp_nodelay=True)
rospy.Subscriber(self.args.img_right_depth_topic, Image, self.img_right_depth_callback, queue_size=1000, tcp_nodelay=True)
rospy.Subscriber(self.args.img_front_depth_topic, Image, self.img_front_depth_callback, queue_size=1000, tcp_nodelay=True)
rospy.Subscriber(self.args.puppet_arm_left_topic, JointState, self.puppet_arm_left_callback, queue_size=1000, tcp_nodelay=True)
rospy.Subscriber(self.args.puppet_arm_right_topic, JointState, self.puppet_arm_right_callback, queue_size=1000, tcp_nodelay=True)
# rospy.Subscriber(self.args.robot_base_topic, Odometry, self.robot_base_callback, queue_size=1000, tcp_nodelay=True)
# self.puppet_arm_left_publisher = rospy.Publisher(self.args.puppet_arm_left_cmd_topic, JointState, queue_size=10)
# self.puppet_arm_right_publisher = rospy.Publisher(self.args.puppet_arm_right_cmd_topic, JointState, queue_size=10)
# self.robot_base_publisher = rospy.Publisher(self.args.robot_base_cmd_topic, Twist, queue_size=10)
if __name__ == '__main__':
import argparse
parser = argparse.ArgumentParser()
args = parser.parse_args()
args.img_left_topic = '/camera_l/color/image_raw'
args.img_right_topic = '/camera_r/color/image_raw'
args.img_front_topic = '/camera_f/color/image_raw'
args.puppet_arm_left_cmd_topic = '/master/joint_left'
args.puppet_arm_right_cmd_topic = '/master/joint_right'
args.puppet_arm_left_topic = '/puppet/joint_left'
args.puppet_arm_right_topic = '/puppet/joint_right'
args.publish_rate = 30
args.use_robot_base = False
args.use_actions_interpolation = False
args.use_depth_image = False
a = RosOperator(args)
print(a)