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Support ESP-NOW connection in pyflix

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Set arbitrary pymavlink connection string using device parameter or FLIX_DEVICE env variable.
pyflix@0.16.
This commit is contained in:
Oleg Kalachev
2026-05-28 18:22:16 +03:00
parent a294883dea
commit 4e32414dae
3 changed files with 19 additions and 12 deletions
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tools/pyflix/README.md
+2
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@@ -28,6 +28,8 @@ from pyflix import Flix
flix = Flix() # create a Flix object and wait for connection
```
If using ESP-NOW connection, specify the proxy's device name in `FLIX_DEVICE` environment variable or pass it to the constructor: `Flix(device='/dev/cu.usbserial-0001')`.
### Telemetry
Basic telemetry is available through object properties. The property names generally match the corresponding variables in the firmware code:
tools/pyflix/flix.py
+16 -11
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@@ -44,22 +44,27 @@ class Flix:
_print_buffer: str = ''
_modes = ['RAW', 'ACRO', 'STAB', 'AUTO']
def __init__(self, system_id: int=1, wait_connection: bool=True):
def __init__(self, system_id: int=1, wait_connection: bool=True, device=os.getenv('FLIX_DEVICE')):
if not (0 <= system_id < 256):
raise ValueError('system_id must be in range [0, 255]')
self._setup_mavlink()
self.system_id = system_id
self._init_state()
try:
# Direct connection
logger.debug('Listening on port 14550')
self.connection: mavutil.mavfile = mavutil.mavlink_connection('udpin:0.0.0.0:14550', source_system=255) # type: ignore
except OSError as e:
if e.errno != errno.EADDRINUSE:
raise
# Port busy - using proxy
logger.debug('Listening on port 14555 (proxy)')
self.connection: mavutil.mavfile = mavutil.mavlink_connection('udpin:0.0.0.0:14555', source_system=254) # type: ignore
if device is not None:
# User defined connection
logger.debug(f'Connecting to {device}')
self.connection: mavutil.mavfile = mavutil.mavlink_connection(device, source_system=255) # type: ignore
else:
try:
# Direct connection
logger.debug('Listening on port 14550')
self.connection: mavutil.mavfile = mavutil.mavlink_connection('udpin:0.0.0.0:14550', source_system=255) # type: ignore
except OSError as e:
if e.errno != errno.EADDRINUSE:
raise
# Port busy - using proxy
logger.debug('Listening on port 14555 (proxy)')
self.connection: mavutil.mavfile = mavutil.mavlink_connection('udpin:0.0.0.0:14555', source_system=254) # type: ignore
self.connection.target_system = system_id
self.mavlink: mavlink.MAVLink = self.connection.mav
self._event_listeners: Dict[str, List[Callable[..., Any]]] = {}