Chapter 13 modelling space initial.

ch-13/1-modelling-space/robot/code.py

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+import asyncio
+import json
+
+import arena
+import robot
+
+
+async def command_handler():
+  while True:
+    if robot.uart.in_waiting:
+      print("Receiving data...")
+      data = robot.uart.readline().decode()
+      print(f"Received data: {data}")
+      request = json.loads(data)
+      print(f"Received command: {request}")
+      # {"command": "arena"}
+      if request["command"] == "arena":
+         response = {
+            "arena": arena.boundary_lines,
+            "target_zone": arena.target_zone,
+         }
+         robot.uart.write((json.dumps(response)+"\n").encode())
+
+asyncio.run(command_handler())