mycobot_ros/Mercury/mercury_b1/scripts/follow_display.py
2023-12-11 13:34:25 +08:00

163 lines
4.3 KiB
Python
Executable file

#!/usr/bin/env python3
import time
import math
import rospy
from sensor_msgs.msg import JointState
from std_msgs.msg import Header
from visualization_msgs.msg import Marker
from pymycobot.mercury import Mercury
def talker():
rospy.init_node("display", anonymous=True)
print("Try connect real Mercury...")
port1 = rospy.get_param("~port1", "/dev/ttyTHS1")
port2 = rospy.get_param("~port2", "/dev/ttyS0")
baud = rospy.get_param("~baud", 115200)
print("port1: {}, baud: {}\n".format(port1, baud))
print("port2: {}, baud: {}\n".format(port2, baud))
try:
# left arm
l = Mercury(port1, baud)
time.sleep(0.02)
# right arm
r = Mercury(port2, baud)
except Exception as e:
print(e)
print(
"""\
\rTry connect Mercury failed!
\rPlease check wether connected with Mercury.
\rPlease chckt wether the port or baud is right.
"""
)
exit(1)
l.release_all_servos()
time.sleep(0.02)
r.release_all_servos()
time.sleep(0.1)
print("Rlease all servos over.\n")
pub = rospy.Publisher("joint_states", JointState, queue_size=10)
pub_marker = rospy.Publisher("visualization_marker", Marker, queue_size=10)
rate = rospy.Rate(30) # 30hz
# pub joint state
joint_state_send = JointState()
joint_state_send.header = Header()
joint_state_send.name = [
"joint1_L",
"joint2_L",
"joint3_L",
"joint4_L",
"joint5_L",
"joint6_L",
"joint7_L",
"joint1_R",
"joint2_R",
"joint3_R",
"joint4_R",
"joint5_R",
"joint6_R",
"joint7_R",
"eye",
"head",
"body",
]
joint_state_send.velocity = [0]
joint_state_send.effort = []
marker_ = Marker()
marker_.header.frame_id = "/base"
marker_.ns = "my_namespace"
print("publishing ...")
while not rospy.is_shutdown():
joint_state_send.header.stamp = rospy.Time.now()
left_angles = l.get_angles()
right_angles = r.get_angles()
eye_angle = r.get_angle(11)
head_angle = r.get_angle(12)
body_angle = r.get_angle(13)
print('left:', left_angles)
print('right:', right_angles)
print('eye:', eye_angle)
print('head:', head_angle)
print('body:', body_angle)
all_angles = left_angles + right_angles + eye_angle + head_angle + body_angle
data_list = []
for index, value in enumerate(all_angles):
radians = math.radians(value)
data_list.append(radians)
# rospy.loginfo('{}'.format(data_list))
joint_state_send.position = data_list
pub.publish(joint_state_send)
left_coords = l.get_coords()
right_coords = r.get_coords()
eye_coords = r.get_angle(11)
head_coords = r.get_angle(12)
body_coords = r.get_angle(13)
# marker
marker_.header.stamp = rospy.Time.now()
marker_.type = marker_.SPHERE
marker_.action = marker_.ADD
marker_.scale.x = 0.04
marker_.scale.y = 0.04
marker_.scale.z = 0.04
# marker position initial.标记位置初始
# print(coords)
# if not coords:
# coords = [0, 0, 0, 0, 0, 0]
# rospy.loginfo("error [101]: can not get coord values")
marker_.pose.position.x = left_coords[1] / 1000 * -1
marker_.pose.position.y = left_coords[0] / 1000
marker_.pose.position.z = left_coords[2] / 1000
time.sleep(0.02)
marker_.pose.position.x = right_coords[1] / 1000 * -1
marker_.pose.position.y = right_coords[0] / 1000
marker_.pose.position.z = right_coords[2] / 1000
time.sleep(0.02)
marker_.pose.position.x = eye_coords[0] / 1000 * -1
time.sleep(0.02)
marker_.pose.position.x = head_coords[0] / 1000 * -1
time.sleep(0.02)
marker_.pose.position.x = body_coords[0] / 1000 * -1
marker_.color.a = 1.0
marker_.color.g = 1.0
pub_marker.publish(marker_)
rate.sleep()
if __name__ == "__main__":
try:
talker()
except rospy.ROSInterruptException:
pass