From 15d0cdc058609e614c21cefef358829b46a77155 Mon Sep 17 00:00:00 2001
From: Erik Andresen <erik@vontaene.de>
Date: Sat, 20 Dec 2014 12:41:48 +0100
Subject: [PATCH] -added arm_ros_conn -ros navigation tuning

---
 config/base_local_planner_params.yaml |   1 +
 config/costmap_common_params.yaml     |   8 +--
 config/local_costmap_params.yaml      |   6 +-
 config/map.pgm                        |   5 --
 config/map.png                        | Bin 0 -> 2236 bytes
 move_base.launch                      |   6 +-
 scripts/arm_ros_conn.py               |  84 ++++++++++++++++++++++++++
 scripts/json_client.py                |  61 +++++++++++++++++++
 8 files changed, 156 insertions(+), 15 deletions(-)
 delete mode 100644 config/map.pgm
 create mode 100644 config/map.png
 create mode 100755 scripts/arm_ros_conn.py
 create mode 100755 scripts/json_client.py

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
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GIT binary patch
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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 @@
 <?xml version="1.0"?>
 <launch>
+	<node pkg="arm" type="arm_ros_conn.py" name="arm_ros_conn" output="screen" />
+
 	<!-- Run the map server -->
-	<node name="map_server" pkg="map_server" type="map_server" args="$(find arm)/config/map.pgm 0.05"/>
+	<node name="map_server" pkg="map_server" type="map_server" args="$(find arm)/config/map.png 0.01" />
 
 	<!-- Run AMCL -->
 	<include file="$(find amcl)/examples/amcl_diff.launch" />
 
 	<node pkg="move_base" type="move_base" respawn="false" name="move_base" output="screen">
-		<param name="controller_frequency" value="2.0" />
+		<param name="controller_frequency" value="10.0" />
 		<rosparam file="$(find arm)/config/costmap_common_params.yaml" command="load" ns="global_costmap" />
 		<rosparam file="$(find arm)/config/costmap_common_params.yaml" command="load" ns="local_costmap" />
 		<rosparam file="$(find arm)/config/global_costmap_params.yaml" command="load" />
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)
-- 
2.39.5