updated package

.gitignore

@@ -0,0 +1,51 @@
+devel/
+logs/
+build/
+bin/
+lib/
+msg_gen/
+srv_gen/
+msg/*Action.msg
+msg/*ActionFeedback.msg
+msg/*ActionGoal.msg
+msg/*ActionResult.msg
+msg/*Feedback.msg
+msg/*Goal.msg
+msg/*Result.msg
+msg/_*.py
+build_isolated/
+devel_isolated/
+
+# Generated by dynamic reconfigure
+*.cfgc
+/cfg/cpp/
+/cfg/*.py
+
+# Ignore generated docs
+*.dox
+*.wikidoc
+
+# eclipse stuff
+.project
+.cproject
+
+# qcreator stuff
+CMakeLists.txt.user
+
+srv/_*.py
+*.pcd
+*.pyc
+qtcreator-*
+*.user
+
+/planning/cfg
+/planning/docs
+/planning/src
+
+*~
+
+# Emacs
+.#*
+
+# Catkin custom files
+CATKIN_IGNORE

README.md

@@ -1 +1,2 @@
-# ros2-example
+# Udemy Course 1
+This is my code and scripts from the udemy course I took [here](https://www.udemy.com/course/ros2-for-beginners/?couponCode=ST21MT121624). I was an amazing course and I would highly recommend it for getting an basic introduction to ROS 2.

my_py_pkg/my_py_pkg/joy_move.py

@@ -1,62 +0,0 @@
-#!/usr/bin/env python
-import rclpy
-from rclpy.node import Node
-import pygame
-import time
-from geometry_msgs.msg import Twist
-
-
-
-
-
-class JoyMoveNode(Node):
-    def __init__(self, joystick):
-        super().__init__("joy_move")
-        self.joystick = joystick
-        self.publisher_ = self.create_publisher(Twist, "/cmd_vel", 10)
-        self.timer_ = self.create_timer(0.1, self.publish_news)
-        self.get_logger().info("Starting the robot news station")
-
-    def publish_news(self):
-        r, move = self.get_joystick_right_stick()
-
-        msg = Twist()
-        msg.linear.x = move*2
-        msg.angular.z = r*2
-        self.publisher_.publish(msg)
-
-    def get_joystick_right_stick(self):
-        # Pump the event queue to prevent freezing
-        pygame.event.pump()
-        # Get right joystick axis values
-        right_x = round(self.joystick.get_axis(3), 2)/4  # Adjust index if not correct
-        right_y = round(self.joystick.get_axis(4), 2)/4  # Adjust index if not correct
-        if right_x < 0.02 and right_x > -0.02:
-            right_x = 0.0
-        if right_y < 0.02 and right_y > -0.02:
-            right_y = 0.0
-        return right_x, -right_y
-
-
-
-def main (args=None):
-    # Initialize pygame
-    pygame.init()
-    pygame.joystick.init()
-    # Find Controller
-    if pygame.joystick.get_count() == 0:
-        print("No joystick detected.")
-        exit(0)
-
-    # Open the first joystick
-    joystick = pygame.joystick.Joystick(0)
-    joystick.init()
-
-    # Start ROS 2 Node
-    rclpy.init(args=args)
-    node = JoyMoveNode(joystick)
-    rclpy.spin(node)
-    rclpy.shutdown()
-
-if __name__ == '__main__':
-    main()

my_py_pkg/package.xml

@@ -9,8 +9,6 @@
 
   <depend>rclpy</depend>
   <depend>example_interfaces</depend>
-  <depend>pygame</depend>
-  <depend>time</depend>
   <depend>geometry_msgs</depend>
   <depend>functools</depend>
   <depend>my_robot_interfaces</depend>

my_py_pkg/setup.py

@@ -24,7 +24,6 @@ setup(
             "py_node = my_py_pkg.my_first_node:main",
             "smartphone = my_py_pkg.smartphone:main",
             "add_two_ints_server = my_py_pkg.add_two_ints_server:main",
-            "joy_move = my_py_pkg.joy_move:main",
             "add_two_ints_client_no_oop = my_py_pkg.add_two_ints_client_no_oop:main",
             "add_two_ints_client = my_py_pkg.add_two_ints_client:main",
             "hardware_status_publisher = my_py_pkg.hw_status_publisher:main",