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python-broadlink/broadlink/climate.py
Felipe Martins Diel 12fdf01631 Improve code quality (#572)
* Improve typing

* Use better names

* Clean up switch.py

* Remove unused import

* Run black

* Remove unnecessary comments

* Clean up climate.py
2021-04-26 17:57:02 -03:00

221 lines
8.1 KiB
Python

"""Support for climate control."""
import typing as t
from . import exceptions as e
from .device import Device
from .helpers import CRC16
class hysen(Device):
"""Controls a Hysen HVAC."""
TYPE = "Hysen heating controller"
def send_request(self, request: t.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")
if p_len + 2 > len(payload):
raise ValueError(
"hysen_response_error", "first byte of response is not length"
)
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 ValueError("hysen_response_error", "CRC check on response failed")
return payload[0x02:p_len]
def get_temp(self) -> float:
"""Return the room temperature in degrees celsius."""
payload = self.send_request([0x01, 0x03, 0x00, 0x00, 0x00, 0x08])
return payload[0x05] / 2.0
def get_external_temp(self) -> float:
"""Return the external temperature in degrees celsius."""
payload = self.send_request([0x01, 0x03, 0x00, 0x00, 0x00, 0x08])
return payload[18] / 2.0
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["room_temp"] = payload[5] / 2.0
data["thermostat_temp"] = payload[6] / 2.0
data["auto_mode"] = payload[7] & 0xF
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"] = payload[18] / 2.0
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 follow the "weekend" schedule
# loop_mode = 2 ("1234567") means every day (including Saturday and Sunday) follows the "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 power on memory off, 1 for power on memory on. Factory 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.
def set_power(self, power: int = 1, remote_lock: int = 0) -> None:
"""Set the power state of the device."""
self.send_request([0x01, 0x06, 0x00, 0x00, remote_lock, power])
# 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: t.List[dict], weekend: t.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)