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03 ros如何訂閱(如何自定義ros的action服務)
Instagram刷粉絲, Ins買粉絲自助下單平台, Ins買贊網站可微信支付寶付款2024-07-25 07:47:57【】6人已围观
简介ake5編寫action服務器端程序#!/usr/bin/envpythonimportroslib;roslib.load_manifest('action')importrospy
5 編寫action服務器端程序
#!/usr/bin/env python
import roslib; roslib.load_manifest('action')
import rospy
import time
import actionlib
from action.msg import TimerAction, TimerGoal, TimerResult
def do_timer(goal):
start_time = time.time()
time.sleep(goal.time_to_wait.to_sec())
result = TimerResult()
result.time_elapsed = rospy.Duration.from_sec(time.time() - start_time)
result.updates_sent = 0
server.set_succeeded(result)
rospy.init_node('timer_action_server')
server = actionlib.SimpleActionServer('timer', TimerAction, do_timer, False)
server.start()
rospy.spin()
6 編寫ros的action客戶端程序
#!/usr/bin/env python
import roslib; roslib.load_manifest('action')
import rospy
import actionlib
from action.msg import TimerAction, TimerGoal, TimerResult
rospy.init_node('timer_action_client')
client = actionlib.SimpleActionClient('timer', TimerAction)
client.wait_for_server()
goal = TimerGoal()
goal.time_to_wait = rospy.Duration.from_sec(5.0)
client.send_goal(goal)
client.wait_for_result()
print('Time elapsed: %f'%(client.get_result().time_elapsed.to_sec()))
7 測試運行(開四個終端)
ros買粉絲re
rosrun action action_c.py
rosrun action action_s.py
8 查看信息
liao@liao-eagle:~/catkin_ws/src/action/src$ rostopic list
/rosout
/rosout_agg
/timer/cancel
/timer/feedback
/timer/goal
/timer/result
/timer/status
liao@liao-eagle:~/catkin_ws/src/action/src$ rostopic info /timer/goal
Type: action/TimerActionGoal
Publishers: None
Subscribers:
* /timer_action_server (買粉絲://liao-eagle:42857/)
liao@liao-eagle:~/catkin_ws/src/action/src$ rosmsg show TimerActionGoal
[action/TimerActionGoal]:
std_msgs/Header header
uint32 seq
time stamp
string frame_id
actionlib_msgs/GoalID goal_id
time stamp
string id
action/TimerGoal goal
ration time_to_wait
liao@liao-eagle:~/catkin_ws/src/action/src$ rosmsg show TimerGoal
[action/TimerGoal]:
ration time_to_wait
9 rqt_graph
ROS訂閱的topic如何通過tcp傳送給QT并顯示到界面上
傳遞一下啊
lineEdit中的值,在登陸確認后,傳遞給即將打開的窗體
很赞哦!(1198)
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