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Basic support for Hysen Heating Controller (dev type 0x4ead) (#138)
* Initial support for Hysen heating controller device. Only gets current temperature. * Add switch_to_auto() to put the controller in (pre-programmed) timed mode * Add set_temp() to manually set temperature. Now requires PyCRC (payload needs modbus CRC16) * Remove test script * Get current timer schedule * Get much more data from device * Add PyCRC to install_requires setup.py * Rewrite based on better understanding. Allow setting schedule and changing 'loop mode' * Add set_time function * Support advanced settings and perform CRC check on responses * Explain remaining unknowns for Hyson thermostat The room_temp_adj (or simply 'adj') only applies to the room_temp. It's limited to -5.0..+5.0, but uses a 2 byte data type. This leads to the assumption that external_temp could also use this data type, maybe for showing temperatures below 0 - but I cannot test this currently. Maybe I have to place it near a fridge to confirm. * Fix get_temp and add get_external_temp for Hysen Again: maybe payload[17] also belongs to the external temperature... * remove comment about first 2 bytes and raise error if CRC check on response fails * Remove comment about guessed meaning of unknown Just confirmed, that lowest outside temp is 0. So it seems to only need 1 byte, as room temp does. * add ability to toogle hysen device power Turn display power on/off * Update set_power() to support remote_lock for Hysen Sorry, there was still one thing missing: set/unset remote_lock. I captured again and changed the set_power accordingly. * fix comments
This commit is contained in:
Peter Windridge
Matthew Garrett
parent
8754493951
commit
39cc64efce
@ -66,6 +66,8 @@ def gendevice(devtype, host, mac):
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return a1(host=host, mac=mac, devtype=devtype)
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elif devtype == 0x4EB5 or devtype == 0x4EF7: # MP1: 0x4eb5, honyar oem mp1: 0x4ef7
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return mp1(host=host, mac=mac, devtype=devtype)
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elif devtype == 0x4EAD: # Hysen controller
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return hysen(host=host, mac=mac)
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elif devtype == 0x2722: # S1 (SmartOne Alarm Kit)
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return S1C(host=host, mac=mac, devtype=devtype)
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elif devtype == 0x4E4D: # Dooya DT360E (DOOYA_CURTAIN_V2)
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@ -134,6 +136,8 @@ def discover(timeout=None, local_ip_address=None):
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host = response[1]
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mac = responsepacket[0x3a:0x40]
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devtype = responsepacket[0x34] | responsepacket[0x35] << 8
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return gendevice(devtype, host, mac)
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else:
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while (time.time() - starttime) < timeout:
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@ -151,6 +155,7 @@ def discover(timeout=None, local_ip_address=None):
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return devices
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class device:
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def __init__(self, host, mac, devtype, timeout=10):
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self.host = host
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@ -231,6 +236,7 @@ class device:
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self.id = payload[0x00:0x04]
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self.key = key
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return True
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def get_type(self):
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@ -530,7 +536,8 @@ class rm(device):
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temp = (ord(payload[0x4]) * 10 + ord(payload[0x5])) / 10.0
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return temp
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# For legay compatibility - don't use this
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# For legacy compatibility - don't use this
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class rm2(rm):
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def __init__ (self):
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device.__init__(self, None, None, None)
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@ -541,6 +548,169 @@ class rm2(rm):
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self.mac = dev.mac
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class hysen(device):
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def __init__ (self, host, mac, devtype):
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device.__init__(self, host, mac, devtype)
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self.type = "Hysen heating controller"
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# Send a request
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# input_payload should be a bytearray, usually 6 bytes, e.g. bytearray([0x01,0x06,0x00,0x02,0x10,0x00])
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# Returns decrypted payload
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# New behaviour: raises a ValueError if the device response indicates an error or CRC check fails
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# The function prepends length (2 bytes) and appends CRC
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def send_request(self,input_payload):
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from PyCRC.CRC16 import CRC16
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crc = CRC16(modbus_flag=True).calculate(bytes(input_payload))
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# first byte is length, +2 for CRC16
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request_payload = bytearray([len(input_payload) + 2,0x00])
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request_payload.extend(input_payload)
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# append CRC
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request_payload.append(crc & 0xFF)
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request_payload.append((crc >> 8) & 0xFF)
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# send to device
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response = self.send_packet(0x6a, request_payload)
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# check for error
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err = response[0x22] | (response[0x23] << 8)
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if err:
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raise ValueError('broadlink_response_error',err)
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response_payload = bytearray(self.decrypt(bytes(response[0x38:])))
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# experimental check on CRC in response (first 2 bytes are len, and trailing bytes are crc)
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response_payload_len = response_payload[0]
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if response_payload_len + 2 > len(response_payload):
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raise ValueError('hysen_response_error','first byte of response is not length')
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crc = CRC16(modbus_flag=True).calculate(bytes(response_payload[2:response_payload_len]))
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if (response_payload[response_payload_len] == crc & 0xFF) and (response_payload[response_payload_len+1] == (crc >> 8) & 0xFF):
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return response_payload[2:response_payload_len]
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else:
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raise ValueError('hysen_response_error','CRC check on response failed')
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# Get current room temperature in degrees celsius
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def get_temp(self):
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payload = self.send_request(bytearray([0x01,0x03,0x00,0x00,0x00,0x08]))
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return payload[0x05] / 2.0
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# Get current external temperature in degrees celsius
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def get_external_temp(self):
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payload = self.send_request(bytearray([0x01,0x03,0x00,0x00,0x00,0x08]))
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return payload[18] / 2.0
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# Get full status (including timer schedule)
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def get_full_status(self):
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payload = self.send_request(bytearray([0x01,0x03,0x00,0x00,0x00,0x16]))
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data = {}
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data['remote_lock'] = payload[3] & 1
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data['power'] = payload[4] & 1
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data['active'] = (payload[4] >> 4) & 1
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data['temp_manual'] = (payload[4] >> 6) & 1
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data['room_temp'] = (payload[5] & 255)/2.0
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data['thermostat_temp'] = (payload[6] & 255)/2.0
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data['auto_mode'] = payload[7] & 15
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data['loop_mode'] = (payload[7] >> 4) & 15
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data['sensor'] = payload[8]
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data['osv'] = payload[9]
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data['dif'] = payload[10]
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data['svh'] = payload[11]
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data['svl'] = payload[12]
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data['room_temp_adj'] = ((payload[13] << 8) + payload[14])/2.0
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if data['room_temp_adj'] > 32767:
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data['room_temp_adj'] = 32767 - data['room_temp_adj']
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data['fre'] = payload[15]
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data['poweron'] = payload[16]
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data['unknown'] = payload[17]
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data['external_temp'] = (payload[18] & 255)/2.0
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data['hour'] = payload[19]
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data['min'] = payload[20]
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data['sec'] = payload[21]
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data['dayofweek'] = payload[22]
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weekday = []
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for i in range(0, 6):
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weekday.append({'start_hour':payload[2*i + 23], 'start_minute':payload[2*i + 24],'temp':payload[i + 39]/2.0})
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data['weekday'] = weekday
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weekend = []
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for i in range(6, 8):
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weekend.append({'start_hour':payload[2*i + 23], 'start_minute':payload[2*i + 24],'temp':payload[i + 39]/2.0})
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data['weekend'] = weekend
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return data
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# Change controller mode
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# auto_mode = 1 for auto (scheduled/timed) mode, 0 for manual mode.
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# Manual mode will activate last used temperature. In typical usage call set_temp to activate manual control and set temp.
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# loop_mode refers to index in [ "12345,67", "123456,7", "1234567" ]
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# E.g. loop_mode = 0 ("12345,67") means Saturday and Sunday follow the "weekend" schedule
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# loop_mode = 2 ("1234567") means every day (including Saturday and Sunday) follows the "weekday" schedule
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# The sensor command is currently experimental
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def set_mode(self, auto_mode, loop_mode,sensor=0):
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mode_byte = ( (loop_mode + 1) << 4) + auto_mode
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# print 'Mode byte: 0x'+ format(mode_byte, '02x')
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self.send_request(bytearray([0x01,0x06,0x00,0x02,mode_byte,sensor]))
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def set_advanced(self, loop_mode, sensor, osv, dif, svh, svl, adj, fre, poweron):
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input_payload = bytearray([0x01,0x10,0x00,0x02,0x00,0x05,0x0a, loop_mode, sensor, osv, dif, svh, svl, (int(adj*2)>>8 & 0xff), (int(adj*2) & 0xff), fre, poweron])
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self.send_request(input_payload)
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# For backwards compatibility only. Prefer calling set_mode directly. Note this function invokes loop_mode=0 and sensor=0.
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def switch_to_auto(self):
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self.set_mode(auto_mode=1, loop_mode=0)
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def switch_to_manual(self):
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self.set_mode(auto_mode=0, loop_mode=0)
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# Set temperature for manual mode (also activates manual mode if currently in automatic)
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def set_temp(self, temp):
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self.send_request(bytearray([0x01,0x06,0x00,0x01,0x00,int(temp * 2)]) )
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# Set device on(1) or off(0), does not deactivate Wifi connectivity. Remote lock disables control by buttons on thermostat.
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def set_power(self, power=1, remote_lock=0):
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self.send_request(bytearray([0x01,0x06,0x00,0x00,remote_lock,power]) )
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# set time on device
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# n.b. day=1 is Monday, ..., day=7 is Sunday
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def set_time(self, hour, minute, second, day):
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self.send_request(bytearray([0x01,0x10,0x00,0x08,0x00,0x02,0x04, hour, minute, second, day ]))
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# Set timer schedule
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# Format is the same as you get from get_full_status.
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# weekday is a list (ordered) of 6 dicts like:
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# {'start_hour':17, 'start_minute':30, 'temp': 22 }
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# Each one specifies the thermostat temp that will become effective at start_hour:start_minute
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# weekend is similar but only has 2 (e.g. switch on in morning and off in afternoon)
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def set_schedule(self,weekday,weekend):
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# Begin with some magic values ...
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input_payload = bytearray([0x01,0x10,0x00,0x0a,0x00,0x0c,0x18])
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# Now simply append times/temps
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# weekday times
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for i in range(0, 6):
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input_payload.append( weekday[i]['start_hour'] )
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input_payload.append( weekday[i]['start_minute'] )
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# weekend times
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for i in range(0, 2):
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input_payload.append( weekend[i]['start_hour'] )
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input_payload.append( weekend[i]['start_minute'] )
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# weekday temperatures
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for i in range(0, 6):
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input_payload.append( int(weekday[i]['temp'] * 2) )
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# weekend temperatures
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for i in range(0, 2):
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input_payload.append( int(weekend[i]['temp'] * 2) )
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self.send_request(input_payload)
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S1C_SENSORS_TYPES = {
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0x31: 'Door Sensor', # 49 as hex
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0x91: 'Key Fob', # 145 as hex, as serial on fob corpse
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@ -643,6 +813,7 @@ class dooya(device):
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current = self.get_percentage()
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self.stop()
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# Setup a new Broadlink device via AP Mode. Review the README to see how to enter AP Mode.
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# Only tested with Broadlink RM3 Mini (Blackbean)
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def setup(ssid, password, security_mode):
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