a

robomaster_pi/launch_node.py

@@ -48,12 +48,13 @@ class LaunchControlNode(Node):
         with self.process_lock:
             try:
                 # Launch the process
-                process = Popen(command, shell=True, stdout=PIPE, stderr=STDOUT)
+                process = Popen(command, shell=True, stdout=PIPE, stderr=STDOUT, universal_newlines=True)
                 self.launched_processes[name] = process
                 self.get_logger().info(f"Process '{name}' has been launched.")
                 # Read and log the output of the process
-                for line in process.stdout:
-                    self.get_logger().info(f"Process '{name}' output: {line.decode().strip()}")
+                while process.poll() is None:
+                    output = process.stdout.readline()
+                    self.get_logger().info(f"Process '{name}' output: {output.strip()}")
             except Exception as e:
                 self.get_logger().error(f"Error launching process '{name}': {e}")