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mistupisci.py
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import time
start = time.time()
import sys
import serial
import logging
import json
import os
try:
SERIAL_PORT = os.environ['SERIAL_PORT']
except KeyError:
print("ERROR: missing SERIAL_PORT environment variable")
sys.exit(1)
logger = logging.getLogger(__name__)
logger.setLevel(logging.DEBUG)
# create console handler and set level to debug
ch = logging.StreamHandler()
ch.setLevel(logging.INFO)
# create formatter
formatter = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s')
# add formatter to ch
ch.setFormatter(formatter)
# add ch to logger
logger.addHandler(ch)
def millis():
return int(round((time.time()-start)*1000))
def valueToKey(dictionary, value):
for key, val in dictionary.iteritems():
if(value == val):
return key
class AcTimers(object):
def __init__(self, mode=None, onMinutesSet=None, onMinutesRemaining=None, offMinutesSet=None, offMinutesRemaining=None):
self.mode = mode
self.onMinutesSet = onMinutesSet
self.onMinutesRemaining = onMinutesRemaining
self.offMinutesSet = offMinutesSet
self.offMinutesRemaining = offMinutesRemaining
class AcStatus(object):
def __init__(self, roomTemperature=None, operating=None):
self.roomTemperature = roomTemperature
self.operating = operating
def toJSON(self):
return json.dumps(self.__dict__)
class AcSettings(object):
def __init__(self, power=None, mode=None, temperature=None, fan=None, vane=None, wideVane=None, iSee = None):
self.power = power
self.mode = mode
self.temperature = temperature
self.fan = fan
self.vane = vane
self.wideVane = wideVane
self.iSee = iSee
def __eq__(self, other):
return (
self.power == other.power and
self.mode == other.mode and
self.temperature == other.temperature and
self.fan == other.fan and
self.vane == other.vane and
self.wideVane == other.wideVane and
self.iSee == other.iSee
)
def __ne__(self, other):
return (
self.power != other.power or
self.mode != other.mode or
self.temperature != other.temperature or
self.fan != other.fan or
self.vane != other.vane or
self.wideVane != other.wideVane or
self.iSee != other.iSee
)
def log(self):
logger.debug("POWER: %s, MODE: %s, TEMPERATURE: %s, FAN: %s, VANE: %s" % (self.power, self.mode, str(self.temperature), self.fan, self.vane))
def toJSON(self):
return json.dumps(self.__dict__)
class AirConditioner(object):
def __init__(self, port = SERIAL_PORT):
logger.debug('Creating AirConditioning istance...')
self.port = port
self.PACKET_LENGTH = 22
self.PACKET_SENT_INTERVAL_MS = 1000
self.PACKET_INFO_INTERVAL_MS = 2000
self.PACKET_TYPE_DEFAULT = 99
self.CONNECT_LENGTH = 8
self.CONNECT = [0xfc, 0x5a, 0x01, 0x30, 0x02, 0xca, 0x01, 0xa8]
self.HEADER_LENGTH = 8
self.HEADER = [0xfc, 0x41, 0x01, 0x30, 0x10, 0x01, 0x00, 0x00]
self.INFO_HEADER_LENGTH = 5
self.INFO_HEADER = [0xfc, 0x42, 0x01, 0x30, 0x10]
self.INFO_MODE_LENGTH = 6
self.INFO_MODE = [
0x02, # settings packet
0x03, # room temperature
0x04, # ?
0x05, # timers
0x06, # status
0x09 # standby mode
]
self.REQUEST_PACKET_SETTINGS = 0
self.REQUEST_PACKET_ROOM_TEMPERATURE = 1
self.REQUEST_PACKET_TIMERS = 2
self.REQUEST_PACKET_STATUS = 3
self.REQUEST_PACKET_STANDBY = 4
self.RECEIVED_PACKET_FAIL = 0
self.RECEIVED_PACKET_CONNECT_SUCCESS = 1
self.RECEIVED_PACKET_SETTINGS = 2
self.RECEIVED_PACKET_ROOM_TEMPERATURE = 3
self.RECEIVED_PACKET_UPDATE_SUCCESS = 4
self.RECEIVED_PACKET_STATUS = 5
self.RECEIVED_PACKET_TIMER = 6
self.CONTROL_PACKET_1 = [0x01, 0x02, 0x04, 0x08, 0x10]
"""self.CONTROL_PACKET_2 = [0x01]"""
self.POWER = {
"off": 0x00,
"on": 0x01
}
self.MODE = {
"heat": 0x01,
"dry": 0x02,
"cool": 0x03,
"fan": 0x07,
"auto": 0x08
}
self.TEMPERATURE = {
31: 0x00,
30: 0x01,
29: 0x02,
28: 0x03,
27: 0x04,
26: 0x05,
25: 0x06,
24: 0x07,
23: 0x08,
22: 0x09,
21: 0x0a,
20: 0x0b,
19: 0x0c,
18: 0x0d,
17: 0x0e,
16: 0x0f
}
self.FAN = {
"fan-auto": 0x00,
"fan-quiet": 0x01,
"fan-1": 0x02,
"fan-2": 0x03,
"fan-3": 0x05,
"fan-4": 0x06
}
self.VANE = {
"vane-auto": 0x00,
"vane-1": 0x01,
"vane-2": 0x02,
"vane-3": 0x03,
"vane-4": 0x04,
"vane-5": 0x05,
"vane-swing": 0x07
}
#self.WIDE_VANE = {
# "<<": 0x01,
# "<": 0x02,
# "|": 0x03,
# ">": 0x04,
# ">>": 0x05,
# "<>": 0x08,
# "SWING": 0x0c
#}
self.ROOM_TEMPERATURE = {
10: 0x00,
11: 0x01,
12: 0x02,
13: 0x03,
14: 0x04,
15: 0x05,
16: 0x06,
17: 0x07,
18: 0x08,
19: 0x09,
20: 0x0a,
21: 0x0b,
22: 0x0c,
23: 0x0d,
24: 0x0e,
25: 0x0f,
26: 0x10,
27: 0x11,
28: 0x12,
29: 0x13,
30: 0x14,
31: 0x15,
32: 0x16,
33: 0x17,
34: 0x18,
35: 0x19,
36: 0x1a,
37: 0x1b,
38: 0x1c,
39: 0x1d,
40: 0x1e,
41: 0x1f
}
self.actualSettings = AcSettings()
self.requestedSettings = AcSettings()
self.actualStatus = AcStatus(0, False)
self.ser = None
self.lastSent = 0
self.lastReceived = millis() - (self.PACKET_SENT_INTERVAL_MS * 10)
self.infoMode = 0
self.temperatureMode = False
self.firstRun = True
self.autoUpdate = False
self.externalUpdate = False
self.connected = False
def connect(self):
logger.debug('Connecting to the air conditioner...')
if self.port:
self.connected = False
self.ser = serial.Serial(
self.port,
baudrate=2400,
parity=serial.PARITY_EVEN,
timeout=2)
time.sleep(2)
logger.debug('Sending connection packet: %s' % self.CONNECT)
self.ser.write(bytearray(self.CONNECT))
packetType = self.readPacket()
return packetType == self.RECEIVED_PACKET_CONNECT_SUCCESS
def setAcSettings(self, settings):
self.requestedSettings.power = settings.power
self.requestedSettings.mode = settings.mode
self.requestedSettings.temperature = settings.temperature
self.requestedSettings.fan = settings.fan
self.requestedSettings.vane = settings.vane
self.requestedSettings.wideVane = settings.wideVane
def update(self):
while(not self.canSend(False)):
time.sleep(0.01)
logger.debug('Updating settings...')
packet = [None]*self.PACKET_LENGTH
self.createPacket(packet, self.requestedSettings)
logger.debug('Sending new settings to the air conditioner: %s' % packet)
self.writePacket(packet)
packetType = self.readPacket()
logger.debug("PACKET TYPE UPDATE: %s" % packetType)
if(packetType == self.RECEIVED_PACKET_UPDATE_SUCCESS):
self.lastSent = 0
self.sync(self.REQUEST_PACKET_SETTINGS)
return True
else:
return False
def sync(self, packetType = None):
if packetType == None:
packetType = self.PACKET_TYPE_DEFAULT
if (not(self.connected) or (millis() - self.lastReceived > (self.PACKET_SENT_INTERVAL_MS * 10))):
self.connect()
elif (self.autoUpdate and (not self.firstRun) and self.requestedSettings != self.actualSettings and packetType == self.PACKET_TYPE_DEFAULT):
self.update()
elif (self.canSend(True)):
logger.debug("Syncing SETTINGS from the air conditioner")
packet = [None] * self.PACKET_LENGTH
self.createInfoPacket(packet, packetType)
logger.debug("Sending INFO PACKET to the air conditioner: %s" % packet)
self.writePacket(packet)
self.readPacket()
def canSend(self, isInfo):
if isInfo == True:
logger.debug(millis()-self.PACKET_INFO_INTERVAL_MS)
logger.debug(self.lastSent)
return (millis() - self.PACKET_INFO_INTERVAL_MS) > self.lastSent
else:
return (millis() - self.PACKET_SENT_INTERVAL_MS) > self.lastSent
def checkSum(self, bytesToChecksum, length):
sum = 0
for i in range(0, length):
sum += bytesToChecksum[i]
return (0xfc - sum) & 0xff
def createPacket(self, packet, settings):
for i in range(0, 22):
packet[i] = 0x00
for i in range(0, self.HEADER_LENGTH):
packet[i] = self.HEADER[i]
if(settings.power != self.actualSettings.power):
packet[8] = self.POWER[settings.power]
packet[6] += self.CONTROL_PACKET_1[0]
if(settings.mode != self.actualSettings.mode):
packet[9] = self.MODE[settings.mode]
packet[6] += self.CONTROL_PACKET_1[1]
if (not self.temperatureMode) and settings.temperature != self.actualSettings.temperature:
packet[10] = self.TEMPERATURE[settings.temperature]
packet[6] += self.CONTROL_PACKET_1[2]
else:
if self.temperatureMode and settings.temperature != self.actualSettings.temperature:
temperature = (settings.temperature * 2) + 128
packet[19] = int(temperature)
packet[6] += self.CONTROL_PACKET_1[2]
if(settings.fan != self.actualSettings.fan):
packet[11] = self.FAN[settings.fan]
packet[6] += self.CONTROL_PACKET_1[3]
if(settings.vane != self.actualSettings.vane):
packet[12] = self.VANE[settings.vane]
packet[6] += self.CONTROL_PACKET_1[4]
#if(settings.wideVane != self.actualSettings.wideVane):
# packet[18]=self.WIDE_VANE[settings.wideVane]
# packet[6] += self.CONTROL_PACKET_2[0]
checksum_tmp = self.checkSum(packet, 21)
packet[21]=checksum_tmp
def createInfoPacket(self, packet, packetType):
for i in range(0, 22):
packet[i] = 0x00
for i in range(0, self.INFO_HEADER_LENGTH):
packet[i] = self.INFO_HEADER[i]
if(packetType!=self.PACKET_TYPE_DEFAULT):
packet[5] = self.INFO_MODE[packetType]
else:
packet[5] = self.INFO_MODE[self.infoMode]
if self.infoMode == (self.INFO_MODE_LENGTH-2):
self.infoMode = 0
else:
self.infoMode += 1
for i in range(0, 15):
packet[i+6] = 0x00
checksum_tmp = self.checkSum(packet, 21)
packet[21] = checksum_tmp
logger.debug("INFO PACKET: %s" % packet)
def writePacket(self, packet):
self.ser.write(bytearray(packet))
time.sleep(1)
self.lastSent = millis()
def readPacket(self):
incomingPacket = None
dataSum = 0
response = self.ser.read(22)
#controllare se il contenuto valido
for b in response:
value = ord(b)
if value == self.HEADER[0]:
incomingPacket = []
incomingPacket.append(value)
if incomingPacket == None:
return self.RECEIVED_PACKET_FAIL
logger.debug("Reading packet from air conditioner: %s" % incomingPacket)
if (incomingPacket[0] == self.HEADER[0] and
incomingPacket[2] == self.HEADER[2] and
incomingPacket[3] == self.HEADER[3]):
dataLength = incomingPacket[4]
# data from 5 to 20
# 21 checksum
for i in range(0, self.INFO_HEADER_LENGTH + dataLength):
dataSum += incomingPacket[i]
checksum = (0xfc - dataSum) & 0xff
if incomingPacket[self.INFO_HEADER_LENGTH + dataLength] == checksum:
logger.debug("The received packet is valid.")
self.lastReceived = millis()
if incomingPacket[1] == 0x62:
if incomingPacket[5] == 0x02:
logger.debug("The type of the received packet is: SETTINGS")
receivedSettings = AcSettings()
receivedSettings.power = valueToKey(self.POWER, incomingPacket[8])
if incomingPacket[9] > 0x08:
receivedSettings.iSee = True
else:
receivedSettings.iSee = False
if receivedSettings.iSee:
receivedSettings.mode = valueToKey(self.MODE, incomingPacket[9] - 0x08)
else:
receivedSettings.mode = valueToKey(self.MODE, incomingPacket[9])
if incomingPacket[16] != 0x00:
temperature = incomingPacket[16]
temperature -= 128
receivedSettings.temperature = float(temperature/2)
self.temperatureMode = True
else:
receivedSettings.temperature = valueToKey(self.TEMPERATURE, incomingPacket[10])
receivedSettings.fan = valueToKey(self.FAN, incomingPacket[11])
receivedSettings.vane = valueToKey(self.VANE, incomingPacket[12])
logger.debug("received settings: ")
receivedSettings.log()
logger.debug("actual settings: ")
self.actualSettings.log()
logger.debug("requested settings: ")
self.requestedSettings.log()
if(receivedSettings != self.actualSettings):
logger.debug("receivedSettings != actualSettings")
self.actualSettings = receivedSettings
logger.debug("received settings: ")
receivedSettings.log()
logger.debug("actual settings: ")
self.actualSettings.log()
logger.debug("requested settings: ")
self.requestedSettings.log()
if self.firstRun or (self.autoUpdate and self.externalUpdate):
logger.debug("firstRun")
self.requestedSettings = self.actualSettings
self.firstRun = False
return self.RECEIVED_PACKET_SETTINGS
if incomingPacket[5] == 0x03:
logger.debug("The type of the received packet is: ROOM TEMPERATURE")
receivedStatus = AcStatus()
receivedRoomTemperature = None
if incomingPacket[11] != 0x00:
temperature = incomingPacket[11]
temperature -= 128
receivedStatus.roomTemperature = float(temperature/2)
else:
receivedStatus.roomTemperature = valueToKey(self.ROOM_TEMPERATURE, incomingPacket[8])
if(self.actualStatus.roomTemperature != receivedStatus.roomTemperature):
self.actualStatus.roomTemperature = receivedStatus.roomTemperature
return self.RECEIVED_PACKET_ROOM_TEMPERATURE
if incomingPacket[5] == 0x04: #unknown
return
if incomingPacket[5] == 0x05: #timer packet
return
if incomingPacket[5] == 0x06: #status
logger.debug("The type of the received packet is: STATUS")
receivedStatus = AcStatus()
receivedStatus.operating =bool(incomingPacket[9])
if (self.actualStatus.operating != receivedStatus.operating):
self.actualStatus.operating = receivedStatus.operating
return self.RECEIVED_PACKET_STATUS
if incomingPacket[5] == 0x09: #standby (not working)
return
if incomingPacket[1] == 0x61:
return self.RECEIVED_PACKET_UPDATE_SUCCESS
elif incomingPacket[1] == 0x7a:
self.connected = True
return self.RECEIVED_PACKET_CONNECT_SUCCESS
return self.RECEIVED_PACKET_FAIL
def setRemoteTemperature(self, temeprature):
packet = [None] * self.PACKET_LENGTH
for i in range(0, self.PACKET_LENGTH):
packet[i] = 0x00
for i in range(0, self.HEADER_LENGTH):
packet[i] = self.HEADER[i]
packet[5] = 0x07
if temperature > 0:
packet[6] = 0x01
temperature = temperature * 2
temperature = round(temperature)
temperature = temperature / 2
temperature_to_send = (temperature * 2) + 128
packet[8] = int(temperature_to_send)
else:
packet[6] = 0x00
packet[8] = 0x80
checksum_tmp = self.checkSum(packet, 21)
packet[21] = checksum_tmp
self.writePacket(packet)
if __name__ == '__main__':
ac = AirConditioner(port='/dev/ttyAMA0')
ac.connect()
print('First settings...')
acSettings = AcSettings(
sys.argv[1],#POWER
sys.argv[2],#MODE
int(sys.argv[3]),#TEMPERATURE
sys.argv[4],#FAN
sys.argv[5],#VANE
)
ac.setAcSettings(acSettings)
success = ac.update()
if success:
logger.debug("Successfully updated SETTINGS from the air conditioner")
else:
logger.debug("NOT successfully updated SETTINGS from the air conditioner")
while(True):
ac.sync()
print(ac.actualStatus.toJSON())
time.sleep(8)