Merge branch 'Week10_HW' into main

README.md

@@ -61,3 +61,37 @@ rosrun beginner_tutorials talker
 ```
 rosrun beginner_tutorials listener
 ```
+## How to run the code(with launch)
+
+``` 
+cd catkin_ws
+
+```
+2)Source the workspace
+
+```
+sourcedevel/setup.bash
+```
+3) In a terminal, run 
+```
+roslaunch beginner_tutorials talker_chatter.launch platform_name:="my_laptop"
+```
+
+### Parameters
+
+- platform_name : default="sakshi"
+- publisher_topic_name :  default="/chatter"
+- publisher_rate : default = 20
+- service_name :  default="add_two_ints"
+- subscriber_topic_name : default="/chatter"
+
+
+## ROS Service from command line
+Use the following command to call the ros service from terminal:
+
+```
+rosservice call /add_two_ints "a: 10
+b: 30" 
+```
+
+