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mirror of https://github.com/mjg59/python-broadlink.git synced 2024-11-10 18:00:12 +01:00
python-broadlink/broadlink/remote.py
Felipe Martins Diel c3bb598e27 Timeout improvements (#464)
- Only start to count the timer inside the lock.
- Improve precision of the timeout option.
- Use a context manager for the connection.
- Remove SO_REUSEADDR option.

Amend: Revert retry_intvl (#506)
2021-01-29 18:17:45 -03:00

99 lines
3.1 KiB
Python

"""Support for universal remotes."""
import struct
from .device import device
from .exceptions import check_error
class rm(device):
"""Controls a Broadlink RM."""
def __init__(self, *args, **kwargs) -> None:
"""Initialize the controller."""
device.__init__(self, *args, **kwargs)
self.type = "RM2"
def _send(self, command: int, data: bytes = b'') -> bytes:
"""Send a packet to the device."""
packet = struct.pack("<I", command) + data
resp = self.send_packet(0x6A, packet)
check_error(resp[0x22:0x24])
payload = self.decrypt(resp[0x38:])
return payload[0x4:]
def check_data(self) -> bytes:
"""Return the last captured code."""
return self._send(0x4)
def send_data(self, data: bytes) -> None:
"""Send a code to the device."""
self._send(0x2, data)
def enter_learning(self) -> None:
"""Enter infrared learning mode."""
self._send(0x3)
def sweep_frequency(self) -> None:
"""Sweep frequency."""
self._send(0x19)
def cancel_sweep_frequency(self) -> None:
"""Cancel sweep frequency."""
self._send(0x1E)
def check_frequency(self) -> bool:
"""Return True if the frequency was identified successfully."""
resp = self._send(0x1A)
return resp[0] == 1
def find_rf_packet(self) -> bool:
"""Enter radiofrequency learning mode."""
resp = self._send(0x1B)
return resp[0] == 1
def check_temperature(self) -> float:
"""Return the temperature."""
return self.check_sensors()["temperature"]
def check_sensors(self) -> dict:
"""Return the state of the sensors."""
resp = self._send(0x1)
temperature = struct.unpack("<bb", resp[:0x2])
temperature = temperature[0x0] + temperature[0x1] / 10.0
return {"temperature": temperature}
class rm4(rm):
"""Controls a Broadlink RM4."""
def __init__(self, *args, **kwargs) -> None:
"""Initialize the controller."""
device.__init__(self, *args, **kwargs)
self.type = "RM4"
def _send(self, command: int, data: bytes = b'') -> bytes:
"""Send a packet to the device."""
packet = struct.pack("<HI", len(data) + 4, command) + data
resp = self.send_packet(0x6A, packet)
check_error(resp[0x22:0x24])
payload = self.decrypt(resp[0x38:])
p_len = struct.unpack("<H", payload[:0x2])[0]
return payload[0x6:p_len+2]
def find_rf_packet(self) -> bool:
"""Enter radiofrequency learning mode."""
self._send(0x1B)
return True
def check_humidity(self) -> float:
"""Return the humidity."""
return self.check_sensors()["humidity"]
def check_sensors(self) -> dict:
"""Return the state of the sensors."""
resp = self._send(0x24)
temperature = struct.unpack("<bb", resp[:0x2])
temperature = temperature[0x0] + temperature[0x1] / 100.0
humidity = resp[0x2] + resp[0x3] / 100.0
return {"temperature": temperature, "humidity": humidity}