First working ROS Package

people_tracking_v2/CMakeLists.txt

@@ -105,7 +105,7 @@ catkin_package(
 #  DEPENDS system_lib
 )
 
-catkin_install_python(PROGRAMS scripts/publisher_node.py
+catkin_install_python(PROGRAMS scripts/publisher_node.py scripts/subscriber_node.py
    DESTINATION ${CATKIN_PACKAGE_BIN_DESTINATION} 
 )
 

people_tracking_v2/scripts/publisher_node.py

@@ -8,7 +8,7 @@ def talk_to_me():
     pub = rospy.Publisher('talking_topic', String, queue_size=10)
     rospy.init_node('publisher_node', anonymous=True)
     rate = rospy.Rate(1)
-    rospy.loginfo("PPublisher Node started, now publishing messages")
+    rospy.loginfo("Publisher Node started, now publishing messages")
     while not rospy.is_shutdown():
         msg = "Hello Keloke - %s" % rospy.get_time()
         pub.publish(msg)

people_tracking_v2/scripts/subscriber_node.py

@@ -0,0 +1,19 @@
+#!/usr/bin/env python
+
+import rospy
+from std_msgs.msg import String
+
+def callback(data):
+    rospy.loginfo("RECEIVED DATA: %s", data.data)
+
+def listener():
+    rospy.init_node("subscriber_node", anonymous=True)
+    rospy.Subscriber('talking_topic', String, callback)
+    rospy.spin()
+
+
+if __name__ == '__main__':
+    try:
+        listener()
+    except rospy.ROSInterruptException:
+        pass