From: Erik Andresen Date: Sat, 20 Dec 2014 11:41:48 +0000 (+0100) Subject: -added arm_ros_conn X-Git-Url: https://defiant.homedns.org/gitweb/?p=arm_ros_conn.git;a=commitdiff_plain;h=15d0cdc058609e614c21cefef358829b46a77155 -added arm_ros_conn -ros navigation tuning --- diff --git a/config/base_local_planner_params.yaml b/config/base_local_planner_params.yaml index ae71582..0db0a91 100644 --- a/config/base_local_planner_params.yaml +++ b/config/base_local_planner_params.yaml @@ -10,3 +10,4 @@ TrajectoryPlannerROS: acc_lim_theta: 3.2 holonomic_robot: false + meter_scoring: true diff --git a/config/costmap_common_params.yaml b/config/costmap_common_params.yaml index 8decd3b..3810429 100644 --- a/config/costmap_common_params.yaml +++ b/config/costmap_common_params.yaml @@ -1,11 +1,9 @@ -obstacle_range: 2.5 -raytrace_range: 3.0 footprint: [ [0.22, 0.11], [-0.08, 0.11], [-0.08, -0.11], [0.22, -0.11] ] #robot_radius: 0.15 inflation_radius: 0.55 -transform_tolerance: 0.5 obstacle_layer: observation_sources: laser_scan_sensor - -laser_scan_sensor: {sensor_frame: scan, data_type: LaserScan, topic: scan, marking: true, clearing: true} + obstacle_range: 2.5 + raytrace_range: 3.0 + laser_scan_sensor: {sensor_frame: camera_depth_frame, data_type: LaserScan, topic: scan, marking: true, clearing: true} diff --git a/config/local_costmap_params.yaml b/config/local_costmap_params.yaml index 3ee2d1e..e554765 100644 --- a/config/local_costmap_params.yaml +++ b/config/local_costmap_params.yaml @@ -5,9 +5,9 @@ local_costmap: publish_frequency: 2.0 static_map: false rolling_window: true - width: 6.0 - height: 6.0 - resolution: 0.05 + width: 10.0 + height: 10.0 + resolution: 0.01 plugins: - {name: obstacle_layer, type: 'costmap_2d::ObstacleLayer'} - {name: inflation_layer, type: 'costmap_2d::InflationLayer'} diff --git a/config/map.pgm b/config/map.pgm deleted file mode 100644 index 3d53230..0000000 --- a/config/map.pgm +++ /dev/null @@ -1,5 +0,0 @@ -P5 -# CREATOR: GIMP PNM Filter Version 1.1 -400 400 -255 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ÿ \ No newline at end of file diff --git a/config/map.png b/config/map.png new file mode 100644 index 0000000..edbf44f Binary files /dev/null and b/config/map.png differ diff --git a/move_base.launch b/move_base.launch index 8d46da1..cd1ef67 100644 --- a/move_base.launch +++ b/move_base.launch @@ -1,13 +1,15 @@ + + - + - + diff --git a/scripts/arm_ros_conn.py b/scripts/arm_ros_conn.py new file mode 100755 index 0000000..29462c8 --- /dev/null +++ b/scripts/arm_ros_conn.py @@ -0,0 +1,84 @@ +#!/usr/bin/env python +# -*- coding: iso-8859-15 -*- + +import rospy +import tf +import prctl +#import cProfile +import threading +from json_client import JsonClient +from geometry_msgs.msg import Twist +from nav_msgs.msg import Odometry + +class ARMRosConn(): + def __init__(self): + rospy.init_node('arm') + prctl.set_name("arm_ros_bridge") + self.__lock_cmd = threading.Lock() + self.pComm = JsonClient(("arm", 10002)) + + rospy.Subscriber("cmd_vel", Twist, self.cmdVelReceived) + self.sub_scan = None + self.motion_enabled_last = None + self.pub_odom = rospy.Publisher("odom", Odometry, queue_size=16) + self.tf_broadcaster = tf.broadcaster.TransformBroadcaster() + + self.run() + + def command(self, cmd): + with self.__lock_cmd: + return self.pComm.write(cmd) + + def run(self): + rate = rospy.Rate(10.0) + #pr = cProfile.Profile() + #pr.enable() + while not rospy.is_shutdown(): + self.send_odometry() + + rate.sleep() + #pr.disable() + #pr.dump_stats("/tmp/test.stats") + + def send_odometry(self): + current_time = rospy.Time.now() + lPos, fAngle, lSpeed = self.command("get engine pose") + + # since all odometry is 6DOF we'll need a quaternion created from yaw + odom_quat = tf.transformations.quaternion_from_euler(0, 0, fAngle) + + # first, we'll publish the transform over tf + self.tf_broadcaster.sendTransform((lPos[0], lPos[1], 0.0), odom_quat, current_time, "base_link", "odom") + + # next, we'll publish the odometry message over ROS + odom = Odometry() + odom.header.stamp = current_time + odom.header.frame_id = "/odom" + + # set the position + odom.pose.pose.position.x = lPos[0] + odom.pose.pose.position.y = lPos[1] + odom.pose.pose.position.z = 0.0 + odom.pose.pose.orientation.x = odom_quat[0] + odom.pose.pose.orientation.y = odom_quat[1] + odom.pose.pose.orientation.z = odom_quat[2] + odom.pose.pose.orientation.w = odom_quat[3] + + # set the velocity + odom.child_frame_id = "base_link" + odom.twist.twist.linear.x = lSpeed[0] + odom.twist.twist.linear.y = 0.0 + odom.twist.twist.angular.z = lSpeed[1] + + # publish the message + self.pub_odom.publish(odom) + + # test with rostopic pub -1 cmd_vel geometry_msgs/Twist '[0, 0, 0]' '[0, 0, 0]' + def cmdVelReceived(self, msg): + trans = msg.linear.x + rot = msg.angular.z + + self.command("set engine speed %f %f" % (trans, rot)) + +if __name__ == '__main__': + ARMRosConn() diff --git a/scripts/json_client.py b/scripts/json_client.py new file mode 100755 index 0000000..4e2208e --- /dev/null +++ b/scripts/json_client.py @@ -0,0 +1,61 @@ +#!/usr/bin/env python +# -*- coding: iso-8859-15 -*- + +import sys +import socket +import json + +def set_keepalive(sock, after_idle_sec=1, interval_sec=3, max_fails=5): + """Set TCP keepalive on an open socket. + + It activates after 1 second (after_idle_sec) of idleness, + then sends a keepalive ping once every 3 seconds (interval_sec), + and closes the connection after 5 failed ping (max_fails), or 15 seconds + """ + sock.setsockopt(socket.SOL_SOCKET, socket.SO_KEEPALIVE, 1) + sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_KEEPIDLE, after_idle_sec) + sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_KEEPINTVL, interval_sec) + sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_KEEPCNT, max_fails) +if not hasattr(socket, "set_keepalive"): + socket.set_keepalive = set_keepalive + +class JsonClient: + def __init__(self, addr = ("arm", 10002)): + self.pSocket = socket.socket(socket.AF_INET, socket.SOCK_STREAM) + self.pSocket.settimeout(1) + socket.set_keepalive(self.pSocket) + self.pSocket.connect(addr) + self.lMsgs = [] + + def write(self, cmd): + data = {'command': cmd} + num = self.pSocket.sendall(json.dumps(data)) + while True: + msg = json.loads(self.pSocket.recv(4096)) + if msg.has_key("return"): return msg["return"] + elif msg.has_key("error"): return msg["error"] + self.lMsgs.insert(0, msg) + + def read(self): + if len(self.lMsgs) > 0: + return self.lMsgs.pop() + self.pSocket.setblocking(False) + try: + return json.loads(self.pSocket.recv(4096)) + except socket.error: + pass + finally: + self.pSocket.setblocking(True) + +if __name__ == "__main__": + print JsonClient().write(sys.argv[1]) + + #from datetime import datetime + #from time import sleep + #pClient = JsonClient() + #while True: + # msg = pClient.read() + # if msg: + # print "Got async", msg + # print datetime.now(), float(pClient.write("get distance forward lower")) + # sleep(0.1)