Fix packet fragmentation in python tutorials

demos/python/sdk_wireless_camera_control/open_gopro/demos/gui/webcam.py

@@ -3,13 +3,16 @@
 
 """USB / wireless webcam demo"""
 
+import sys
 import argparse
 import asyncio
+import logging
 from typing import Final
 
 from rich.console import Console
 
 from open_gopro import Params, WiredGoPro, WirelessGoPro
+from open_gopro.api.params import WebcamFOV, WebcamResolution
 from open_gopro.constants import WebcamError, WebcamStatus
 from open_gopro.demos.gui.components.util import display_video_blocking
 from open_gopro.gopro_base import GoProBase
@@ -39,6 +42,7 @@ async def poll_for_status() -> bool:
             response = (await gopro.http_command.webcam_status()).data
             if response.error != WebcamError.SUCCESS:
                 # Something bad happened
+                console.print(f"[yellow]Received webcam error: {response.error}")
                 return False
             if response.status in statuses:
                 # We found the desired status
@@ -51,7 +55,7 @@ async def poll_for_status() -> bool:
         return False
 
 
-async def main(args: argparse.Namespace) -> None:
+async def main(args: argparse.Namespace) -> int:
     logger = setup_logging(__name__, args.log)
     gopro: GoProBase | None = None
 
@@ -79,7 +83,9 @@ async def main(args: argparse.Namespace) -> None:
                 await wait_for_webcam_status(gopro, {WebcamStatus.OFF})
 
             console.print("[blue]Starting webcam...")
-            await gopro.http_command.webcam_start()
+            if (status := (await gopro.http_command.webcam_start()).data.error) != WebcamError.SUCCESS:
+                console.print(f"[red]Couldn't start webcam: {status}")
+                return -1
             await wait_for_webcam_status(gopro, {WebcamStatus.HIGH_POWER_PREVIEW})
 
             # Start player
@@ -97,6 +103,8 @@ async def main(args: argparse.Namespace) -> None:
     if gopro:
         await gopro.close()
 
+    return 0
+
 
 def parse_arguments() -> argparse.Namespace:
     parser = argparse.ArgumentParser(description="Setup and view a GoPro webcam using TS protocol.")
@@ -117,7 +125,7 @@ def parse_arguments() -> argparse.Namespace:
 
 # Needed for poetry scripts defined in pyproject.toml
 def entrypoint() -> None:
-    asyncio.run(main(parse_arguments()))
+    sys.exit(asyncio.run(main(parse_arguments())))
 
 
 if __name__ == "__main__":

demos/python/tutorial/tutorial_modules/tutorial_6_connect_wifi/connect_as_sta.py

@@ -29,9 +29,7 @@ def yield_fragmented_packets(payload: bytes) -> Generator[bytes, None, None]:
     is_first_packet = True
 
     # Build initial length header
-    if length < (2**5 - 1):
-        header = bytearray([length])
-    elif length < (2**13 - 1):
+    if length < (2**13 - 1):
         header = bytearray((length | 0x2000).to_bytes(2, "big", signed=False))
     elif length < (2**16 - 1):
         header = bytearray((length | 0x6400).to_bytes(2, "big", signed=False))