kamp
/
python-broadlink
mirror of https://github.com/mjg59/python-broadlink.git
1
0
Fork 0
Code
python-broadlink/broadlink/climate.py

475 lines
15 KiB
Python
Executable File
Raw Permalink Blame History

"""Support for climate control."""
import enum
import struct
from typing import List, Sequence
from . import exceptions as e
from .device import Device
from .helpers import CRC16
class hysen(Device):
"""Controls a Hysen heating thermostat.
This device is manufactured by Hysen and sold under different
brands, including Floureon, Beca Energy, Beok and Decdeal.
Supported models:
- HY02B05H
- HY03WE
"""
TYPE = "HYS"
def send_request(self, request: Sequence[int]) -> bytes:
"""Send a request to the device."""
packet = bytearray()
packet.extend((len(request) + 2).to_bytes(2, "little"))
packet.extend(request)
packet.extend(CRC16.calculate(request).to_bytes(2, "little"))
response = self.send_packet(0x6A, packet)
e.check_error(response[0x22:0x24])
payload = self.decrypt(response[0x38:])
p_len = int.from_bytes(payload[:0x02], "little")
nom_crc = int.from_bytes(payload[p_len:p_len+2], "little")
real_crc = CRC16.calculate(payload[0x02:p_len])
if nom_crc != real_crc:
raise e.DataValidationError(
-4008,
"Received data packet check error",
f"Expected a checksum of {nom_crc} and received {real_crc}",
)
return payload[0x02:p_len]
def _decode_temp(self, payload, base_index):
base_temp = payload[base_index] / 2.0
add_offset = (payload[4] >> 3) & 1 # should offset be added?
offset_raw_value = (payload[17] >> 4) & 3 # offset value
offset = (offset_raw_value + 1) / 10 if add_offset else 0.0
return base_temp + offset
def get_temp(self) -> float:
"""Return the room temperature in degrees celsius."""
payload = self.send_request([0x01, 0x03, 0x00, 0x00, 0x00, 0x08])
return self._decode_temp(payload, 5)
def get_external_temp(self) -> float:
"""Return the external temperature in degrees celsius."""
payload = self.send_request([0x01, 0x03, 0x00, 0x00, 0x00, 0x08])
return self._decode_temp(payload, 18)
def get_full_status(self) -> dict:
"""Return the state of the device.
Timer schedule included.
"""
payload = self.send_request([0x01, 0x03, 0x00, 0x00, 0x00, 0x16])
data = {}
data["remote_lock"] = payload[3] & 1
data["power"] = payload[4] & 1
data["active"] = (payload[4] >> 4) & 1
data["temp_manual"] = (payload[4] >> 6) & 1
data["heating_cooling"] = (payload[4] >> 7) & 1
data["room_temp"] = self._decode_temp(payload, 5)
data["thermostat_temp"] = payload[6] / 2.0
data["auto_mode"] = payload[7] & 0x0F
data["loop_mode"] = payload[7] >> 4
data["sensor"] = payload[8]
data["osv"] = payload[9]
data["dif"] = payload[10]
data["svh"] = payload[11]
data["svl"] = payload[12]
data["room_temp_adj"] = (
int.from_bytes(payload[13:15], "big", signed=True) / 10.0
)
data["fre"] = payload[15]
data["poweron"] = payload[16]
data["unknown"] = payload[17]
data["external_temp"] = self._decode_temp(payload, 18)
data["hour"] = payload[19]
data["min"] = payload[20]
data["sec"] = payload[21]
data["dayofweek"] = payload[22]
weekday = []
for i in range(0, 6):
weekday.append(
{
"start_hour": payload[2 * i + 23],
"start_minute": payload[2 * i + 24],
"temp": payload[i + 39] / 2.0,
}
)
data["weekday"] = weekday
weekend = []
for i in range(6, 8):
weekend.append(
{
"start_hour": payload[2 * i + 23],
"start_minute": payload[2 * i + 24],
"temp": payload[i + 39] / 2.0,
}
)
data["weekend"] = weekend
return data
# Change controller mode
# auto_mode = 1 for auto (scheduled/timed) mode, 0 for manual mode.
# Manual mode will activate last used temperature.
# In typical usage call set_temp to activate manual control and set temp.
# loop_mode refers to index in [ "12345,67", "123456,7", "1234567" ]
# E.g. loop_mode = 0 ("12345,67") means Saturday and Sunday (weekend schedule)
# loop_mode = 2 ("1234567") means every day, including Saturday and Sunday (weekday schedule)
# The sensor command is currently experimental
def set_mode(
self, auto_mode: int, loop_mode: int, sensor: int = 0
) -> None:
"""Set the mode of the device."""
mode_byte = ((loop_mode + 1) << 4) + auto_mode
self.send_request([0x01, 0x06, 0x00, 0x02, mode_byte, sensor])
# Advanced settings
# Sensor mode (SEN) sensor = 0 for internal sensor, 1 for external sensor,
# 2 for internal control temperature, external limit temperature. Factory default: 0.
# Set temperature range for external sensor (OSV) osv = 5..99. Factory default: 42C
# Deadzone for floor temprature (dIF) dif = 1..9. Factory default: 2C
# Upper temperature limit for internal sensor (SVH) svh = 5..99. Factory default: 35C
# Lower temperature limit for internal sensor (SVL) svl = 5..99. Factory default: 5C
# Actual temperature calibration (AdJ) adj = -0.5. Precision 0.1C
# Anti-freezing function (FrE) fre = 0 for anti-freezing function shut down,
# 1 for anti-freezing function open. Factory default: 0
# Power on memory (POn) poweron = 0 for off, 1 for on. Default: 0
def set_advanced(
self,
loop_mode: int,
sensor: int,
osv: int,
dif: int,
svh: int,
svl: int,
adj: float,
fre: int,
poweron: int,
) -> None:
"""Set advanced options."""
self.send_request(
[
0x01,
0x10,
0x00,
0x02,
0x00,
0x05,
0x0A,
loop_mode,
sensor,
osv,
dif,
svh,
svl,
int(adj * 10) >> 8 & 0xFF,
int(adj * 10) & 0xFF,
fre,
poweron,
]
)
# For backwards compatibility only. Prefer calling set_mode directly.
# Note this function invokes loop_mode=0 and sensor=0.
def switch_to_auto(self) -> None:
"""Switch mode to auto."""
self.set_mode(auto_mode=1, loop_mode=0)
def switch_to_manual(self) -> None:
"""Switch mode to manual."""
self.set_mode(auto_mode=0, loop_mode=0)
# Set temperature for manual mode (also activates manual mode if currently in automatic)
def set_temp(self, temp: float) -> None:
"""Set the target temperature."""
self.send_request([0x01, 0x06, 0x00, 0x01, 0x00, int(temp * 2)])
# Set device on(1) or off(0), does not deactivate Wifi connectivity.
# Remote lock disables control by buttons on thermostat.
# heating_cooling: heating(0) cooling(1)
def set_power(
self, power: int = 1, remote_lock: int = 0, heating_cooling: int = 0
) -> None:
"""Set the power state of the device."""
state = (heating_cooling << 7) + power
self.send_request([0x01, 0x06, 0x00, 0x00, remote_lock, state])
# set time on device
# n.b. day=1 is Monday, ..., day=7 is Sunday
def set_time(self, hour: int, minute: int, second: int, day: int) -> None:
"""Set the time."""
self.send_request(
[
0x01,
0x10,
0x00,
0x08,
0x00,
0x02,
0x04,
hour,
minute,
second,
day
]
)
# Set timer schedule
# Format is the same as you get from get_full_status.
# weekday is a list (ordered) of 6 dicts like:
# {'start_hour':17, 'start_minute':30, 'temp': 22 }
# Each one specifies the thermostat temp that will become effective at start_hour:start_minute
# weekend is similar but only has 2 (e.g. switch on in morning and off in afternoon)
def set_schedule(self, weekday: List[dict], weekend: List[dict]) -> None:
"""Set timer schedule."""
request = [0x01, 0x10, 0x00, 0x0A, 0x00, 0x0C, 0x18]
# weekday times
for i in range(0, 6):
request.append(weekday[i]["start_hour"])
request.append(weekday[i]["start_minute"])
# weekend times
for i in range(0, 2):
request.append(weekend[i]["start_hour"])
request.append(weekend[i]["start_minute"])
# weekday temperatures
for i in range(0, 6):
request.append(int(weekday[i]["temp"] * 2))
# weekend temperatures
for i in range(0, 2):
request.append(int(weekend[i]["temp"] * 2))
self.send_request(request)
class hvac(Device):
"""Controls a HVAC.
Supported models:
- Tornado SMART X SQ series
- Aux ASW-H12U3/JIR1DI-US
- Aux ASW-H36U2/LFR1DI-US
"""
TYPE = "HVAC"
@enum.unique
class Mode(enum.IntEnum):
"""Enumerates modes."""
AUTO = 0
COOL = 1
DRY = 2
HEAT = 3
FAN = 4
@enum.unique
class Speed(enum.IntEnum):
"""Enumerates fan speed."""
HIGH = 1
MID = 2
LOW = 3
AUTO = 5
@enum.unique
class Preset(enum.IntEnum):
"""Enumerates presets."""
NORMAL = 0
TURBO = 1
MUTE = 2
@enum.unique
class SwHoriz(enum.IntEnum):
"""Enumerates horizontal swing."""
ON = 0
OFF = 7
@enum.unique
class SwVert(enum.IntEnum):
"""Enumerates vertical swing."""
ON = 0
POS1 = 1
POS2 = 2
POS3 = 3
POS4 = 4
POS5 = 5
OFF = 7
def _encode(self, data: bytes) -> bytes:
"""Encode data for transport."""
packet = bytearray(10)
p_len = 10 + len(data)
struct.pack_into(
"<HHHHH", packet, 0, p_len, 0x00BB, 0x8006, 0, len(data)
)
packet += data
crc = CRC16.calculate(packet[0x02:], polynomial=0x9BE4)
packet += crc.to_bytes(2, "little")
return packet
def _decode(self, response: bytes) -> bytes:
"""Decode data from transport."""
# payload[0x2:0x8] == bytes([0xbb, 0x00, 0x07, 0x00, 0x00, 0x00])
payload = self.decrypt(response[0x38:])
p_len = int.from_bytes(payload[:0x02], "little")
nom_crc = int.from_bytes(payload[p_len:p_len+2], "little")
real_crc = CRC16.calculate(payload[0x02:p_len], polynomial=0x9BE4)
if nom_crc != real_crc:
raise e.DataValidationError(
-4008,
"Received data packet check error",
f"Expected a checksum of {nom_crc} and received {real_crc}",
)
d_len = int.from_bytes(payload[0x08:0x0A], "little")
return payload[0x0A:0x0A+d_len]
def _send(self, command: int, data: bytes = b"") -> bytes:
"""Send a command to the unit."""
prefix = bytes([((command << 4) | 1), 1])
packet = self._encode(prefix + data)
response = self.send_packet(0x6A, packet)
e.check_error(response[0x22:0x24])
return self._decode(response)[0x02:]
def _parse_state(self, data: bytes) -> dict:
"""Parse state."""
state = {}
state["power"] = bool(data[0x08] & 1 << 5)
state["target_temp"] = 8 + (data[0x00] >> 3) + (data[0x04] >> 7) * 0.5
state["swing_v"] = self.SwVert(data[0x00] & 0b111)
state["swing_h"] = self.SwHoriz(data[0x01] >> 5)
state["mode"] = self.Mode(data[0x05] >> 5)
state["speed"] = self.Speed(data[0x03] >> 5)
state["preset"] = self.Preset(data[0x04] >> 6)
state["sleep"] = bool(data[0x05] & 1 << 2)
state["ifeel"] = bool(data[0x05] & 1 << 3)
state["health"] = bool(data[0x08] & 1 << 1)
state["clean"] = bool(data[0x08] & 1 << 2)
state["display"] = bool(data[0x0A] & 1 << 4)
state["mildew"] = bool(data[0x0A] & 1 << 3)
return state
def set_state(
self,
power: bool,
target_temp: float, # 16<=target_temp<=32
mode: Mode,
speed: Speed,
preset: Preset,
swing_h: SwHoriz,
swing_v: SwVert,
sleep: bool,
ifeel: bool,
display: bool,
health: bool,
clean: bool,
mildew: bool,
) -> dict:
"""Set the state of the device."""
# TODO: decode unknown bits
UNK0 = 0b100
UNK1 = 0b1101
UNK2 = 0b101
target_temp = round(target_temp * 2) / 2
if preset == self.Preset.MUTE:
if mode != self.Mode.FAN:
raise ValueError("mute is only available in fan mode")
speed = self.Speed.LOW
elif preset == self.Preset.TURBO:
if mode not in {self.Mode.COOL, self.Mode.HEAT}:
raise ValueError("turbo is only available in cooling/heating")
speed = self.Speed.HIGH
data = bytearray(0x0D)
data[0x00] = (int(target_temp) - 8 << 3) | swing_v
data[0x01] = (swing_h << 5) | UNK0
data[0x02] = ((target_temp % 1 == 0.5) << 7) | UNK1
data[0x03] = speed << 5
data[0x04] = preset << 6
data[0x05] = mode << 5 | sleep << 2 | ifeel << 3
data[0x08] = power << 5 | clean << 2 | (health and 0b11)
data[0x0A] = display << 4 | mildew << 3
data[0x0C] = UNK2
resp = self._send(0, data)
return self._parse_state(resp)
def get_state(self) -> dict:
"""Returns a dictionary with the unit's parameters.
Returns:
dict:
power (bool):
target_temp (float): temperature set point 16<n<32
mode (hvac.Mode):
speed (hvac.Speed):
preset (hvac.Preset):
swing_h (hvac.SwHoriz):
swing_v (hvac.SwVert):
sleep (bool):
ifeel (bool):
display (bool):
health (bool):
clean (bool):
mildew (bool):
"""
resp = self._send(1)
if len(resp) < 13:
raise e.DataValidationError(
-4007,
"Received data packet length error",
f"Expected at least 15 bytes and received {len(resp) + 2}",
)
return self._parse_state(resp)
def get_ac_info(self) -> dict:
"""Returns dictionary with AC info.
Returns:
dict:
power (bool): power
ambient_temp (float): ambient temperature
"""
resp = self._send(2)
if len(resp) < 22:
raise e.DataValidationError(
-4007,
"Received data packet length error",
f"Expected at least 24 bytes and received {len(resp) + 2}",
)
ac_info = {}
ac_info["power"] = resp[0x1] & 1
ambient_temp = resp[0x05] & 0b11111, resp[0x15] & 0b11111
if any(ambient_temp):
ac_info["ambient_temp"] = ambient_temp[0] + ambient_temp[1] / 10.0
return ac_info
View Git Blame Copy Permalink