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python-broadlink/broadlink/remote.py
2020-11-05 11:25:33 -08:00

123 lines
4.2 KiB
Python

"""Support for universal remotes."""
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"
self._request_header = bytes()
self._code_sending_header = bytes()
def check_data(self) -> bytes:
"""Return the last captured code."""
packet = bytearray(self._request_header)
packet.append(0x04)
response = self.send_packet(0x6A, packet)
check_error(response[0x22:0x24])
payload = self.decrypt(response[0x38:])
return payload[len(self._request_header) + 4 :]
def send_data(self, data: bytes) -> None:
"""Send a code to the device."""
packet = bytearray(self._code_sending_header)
packet += bytearray([0x02, 0x00, 0x00, 0x00])
packet += data
response = self.send_packet(0x6A, packet)
check_error(response[0x22:0x24])
def enter_learning(self) -> None:
"""Enter infrared learning mode."""
packet = bytearray(self._request_header)
packet.append(0x03)
response = self.send_packet(0x6A, packet)
check_error(response[0x22:0x24])
def sweep_frequency(self) -> None:
"""Sweep frequency."""
packet = bytearray(self._request_header)
packet.append(0x19)
response = self.send_packet(0x6A, packet)
check_error(response[0x22:0x24])
def cancel_sweep_frequency(self) -> None:
"""Cancel sweep frequency."""
packet = bytearray(self._request_header)
packet.append(0x1E)
response = self.send_packet(0x6A, packet)
check_error(response[0x22:0x24])
def check_frequency(self) -> bool:
"""Return True if the frequency was identified successfully."""
packet = bytearray(self._request_header)
packet.append(0x1A)
response = self.send_packet(0x6A, packet)
check_error(response[0x22:0x24])
payload = self.decrypt(response[0x38:])
if payload[len(self._request_header) + 4] == 1:
return True
return False
def find_rf_packet(self) -> bool:
"""Enter radiofrequency learning mode."""
packet = bytearray(self._request_header)
packet.append(0x1B)
response = self.send_packet(0x6A, packet)
check_error(response[0x22:0x24])
payload = self.decrypt(response[0x38:])
if payload[len(self._request_header) + 4] == 1:
return True
return False
def _check_sensors(self, command: int) -> bytes:
"""Return the state of the sensors in raw format."""
packet = bytearray(self._request_header)
packet.append(command)
response = self.send_packet(0x6A, packet)
check_error(response[0x22:0x24])
payload = self.decrypt(response[0x38:])
return bytearray(payload[len(self._request_header) + 4 :])
def check_temperature(self) -> int:
"""Return the temperature."""
data = self._check_sensors(0x1)
return data[0x0] + data[0x1] / 10.0
def check_sensors(self) -> dict:
"""Return the state of the sensors."""
data = self._check_sensors(0x1)
return {"temperature": data[0x0] + data[0x1] / 10.0}
class rm4(rm):
"""Controls a Broadlink RM4."""
def __init__(self, *args, **kwargs) -> None:
"""Initialize the controller."""
device.__init__(self, *args, **kwargs)
self.type = "RM4"
self._request_header = b"\x04\x00"
self._code_sending_header = b"\xda\x00"
def check_temperature(self) -> int:
"""Return the temperature."""
data = self._check_sensors(0x24)
return data[0x0] + data[0x1] / 100.0
def check_humidity(self) -> int:
"""Return the humidity."""
data = self._check_sensors(0x24)
return data[0x2] + data[0x3] / 100.0
def check_sensors(self) -> dict:
"""Return the state of the sensors."""
data = self._check_sensors(0x24)
return {
"temperature": data[0x0] + data[0x1] / 100.0,
"humidity": data[0x2] + data[0x3] / 100.0,
}