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switchbot_py2topy3.py
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switchbot_py2topy3.py
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#!/usr/bin/env python3
# Copyright 2017-present WonderLabs, Inc. <[email protected]>
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import pexpect
import sys
from bluepy.btle import Scanner, DefaultDelegate
import binascii
import copy
import datetime
class ScanDelegate(DefaultDelegate):
def __init__(self):
DefaultDelegate.__init__(self)
class DevScanner(DefaultDelegate):
def __init__(self):
DefaultDelegate.__init__(self)
# print('Scanner inited')
def dongle_start(self):
self.con = pexpect.spawn('hciconfig hci0 up')
time.sleep(1)
def dongle_restart(self):
print('restart bluetooth dongle')
self.con = pexpect.spawn('hciconfig hci0 down')
time.sleep(3)
self.con = pexpect.spawn('hciconfig hci0 up')
time.sleep(3)
def scan_loop(self):
service_uuid = 'cba20d00-224d-11e6-9fb8-0002a5d5c51b'
company_id = '6909' # actually 0x0969
dev_list = []
bot_list = []
meter_list = []
curtain_list = []
contact_list = []
motion_list = []
param_list = []
pir_tip = ['No movement detected', 'Movement detected']
hall_tip = ['Door closed', 'Door opened', 'Timeout no closed']
light_tip = ['Dark', 'Bright']
self.con = pexpect.spawn('hciconfig')
pnum = self.con.expect(['hci0', pexpect.EOF, pexpect.TIMEOUT])
if pnum == 0:
self.con = pexpect.spawn('hcitool lescan')
# self.con.expect('LE Scan ...', timeout=5)
scanner = Scanner().withDelegate(DevScanner())
devices = scanner.scan(10.0)
print('Scanning...')
else:
raise Error('no bluetooth error')
for dev in devices:
mac = 0
param_list[:] = []
for (adtype, desc, value) in dev.getScanData():
# print(adtype, desc, value)
if desc == '16b Service Data':
dev_type = binascii.a2b_hex(value[4:6])
if dev_type == b'H':
param_list.append(binascii.a2b_hex(value[6:8]))
elif dev_type == b'T':
# celsius
tempFra = int(value[11:12].encode('utf-8'), 16) / 10.0
tempInt = int(value[12:14].encode('utf-8'), 16)
if tempInt < 128:
tempInt *= -1
tempFra *= -1
else:
tempInt -= 128
param_list.append(tempInt + tempFra)
param_list.append(
int(value[14:16].encode('utf-8'), 16) % 128)
# print('meter:', param1, param2)
elif dev_type == b'd':
# print(adtype, desc, value)
pirSta = (
int(value[6:7].encode('utf-8'), 16) >> 2) & 0x01
diffSec = (
(int(value[10:11].encode('utf-8'), 16) & 0x04) << 14) \
+ int(value[16:20].encode('utf-8'), 16)
hallSta = (
int(value[11:12].encode('utf-8'), 16) >> 1) & 0x03
lightSta = int(value[11:12].encode('utf-8'), 16) & 0x01
param_list.extend([hallSta, pirSta, lightSta, diffSec])
# print(pirSta, diffSec, hallSta, lightSta, diffSec)
elif dev_type == b's':
# print(adtype, desc, value)
pirSta = (
int(value[6:7].encode('utf-8'), 16) >> 2) & 0x01
lightSta = (int(value[15:16].encode('utf-8'), 16) & 0x03) - 1
# TODO:
diffSec = 0
param_list.extend([pirSta, lightSta, diffSec])
else:
param_list[:] = []
elif desc == 'Local name':
if value == 'WoHand':
mac = dev.addr
dev_type = b'H'
elif value == 'WoMeter':
mac = dev.addr
dev_type = b'T'
elif value == 'WoCurtain':
mac = dev.addr
dev_type = b'c'
elif value == 'WoContact':
mac = dev.addr
dev_type = b'd'
elif value == 'WoMotion':
mac = dev.addr
dev_type = b's'
elif desc == 'Complete 128b Services' and value == service_uuid:
mac = dev.addr
elif desc == 'Manufacturer' and value[0:4] == company_id:
mac = dev.addr
if mac != 0:
dev_list.append([mac, dev_type, copy.deepcopy(param_list)])
# print(dev_list)
for (mac, dev_type, params) in dev_list:
if dev_type == b'H':
if int(binascii.b2a_hex(params[0]), 16) > 127:
bot_list.append([mac, 'Bot', 'Turn On'])
bot_list.append([mac, 'Bot', 'Turn Off'])
bot_list.append([mac, 'Bot', 'Up'])
bot_list.append([mac, 'Bot', 'Down'])
else:
bot_list.append([mac, 'Bot', 'Press'])
elif dev_type == b'T':
meter_list.append([mac, 'Meter', "%.1f'C %d%%" %
(params[0], params[1])])
elif dev_type == b'c':
curtain_list.append([mac, 'Curtain', 'Open'])
curtain_list.append([mac, 'Curtain', 'Close'])
curtain_list.append([mac, 'Curtain', 'Pause'])
elif dev_type == b'd':
timeTrigger = datetime.datetime.now() - datetime.timedelta(0, params[3])
contact_list.append([mac, 'Contact', "%s, %s, %s, Last trigger: %s" %
(hall_tip[params[0]], pir_tip[params[1]], light_tip[params[2]], timeTrigger.strftime("%Y-%m-%d %H:%M"))])
elif dev_type == b's':
motion_list.append([mac, 'Motion', "%s, %s" %
(pir_tip[params[0]], light_tip[params[1]])])
print('Scan timeout.')
return bot_list + meter_list + curtain_list + contact_list + motion_list
pass
def register_cb(self, fn):
self.cb = fn
return
def close(self):
# self.con.sendcontrol('c')
self.con.close(force=True)
def trigger_device(device):
[mac, dev_type, act] = device
# print 'Start to control'
con = pexpect.spawn('gatttool -b ' + mac + ' -t random -I')
con.expect('\[LE\]>')
print('Preparing to connect.')
retry = 3
index = 0
while retry > 0 and 0 == index:
con.sendline('connect')
# To compatible with different Bluez versions
index = con.expect(
['Error', '\[CON\]', 'Connection successful.*\[LE\]>'])
retry -= 1
if 0 == index:
print('Connection error.')
return
print('Connection successful.')
con.sendline('char-desc')
con.expect(['\[CON\]', 'cba20002-224d-11e6-9fb8-0002a5d5c51b'])
cmd_handle = con.before.decode('utf-8').split('\n')[-1].split()[2].strip(',')
if dev_type == 'Bot':
if act == 'Turn On':
con.sendline('char-write-cmd ' + cmd_handle + ' 570101')
elif act == 'Turn Off':
con.sendline('char-write-cmd ' + cmd_handle + ' 570102')
elif act == 'Press':
con.sendline('char-write-cmd ' + cmd_handle + ' 570100')
elif act == 'Down':
con.sendline('char-write-cmd ' + cmd_handle + ' 570103')
elif act == 'Up':
con.sendline('char-write-cmd ' + cmd_handle + ' 570104')
elif dev_type == 'Meter':
con.sendline('char-write-cmd ' + cmd_handle + ' 570F31')
con.expect('\[LE\]>')
con.sendline('char-read-uuid cba20003-224d-11e6-9fb8-0002a5d5c51b')
index = con.expect(['value:[0-9a-fA-F ]+', 'Error'])
if index == 0:
data = con.after.decode('utf-8').split(':')[1].replace(' ', '')
tempFra = int(data[3], 16) / 10.0
tempInt = int(data[4:6], 16)
if tempInt < 128:
tempInt *= -1
tempFra *= -1
else:
tempInt -= 128
meterTemp = tempInt + tempFra
meterHumi = int(data[6:8], 16) % 128
print("Meter[%s] %.1f'C %d%%" % (mac, meterTemp, meterHumi))
else:
print('Error!')
elif dev_type == 'Curtain':
if act == 'Open':
con.sendline('char-write-cmd ' + cmd_handle + ' 570F450105FF00')
elif act == 'Close':
con.sendline('char-write-cmd ' + cmd_handle + ' 570F450105FF64')
elif act == 'Pause':
con.sendline('char-write-cmd ' + cmd_handle + ' 570F450100FF')
else:
print('Unsupported operations')
con.expect('\[LE\]>')
con.sendline('quit')
print('Complete')
def main():
# Check bluetooth dongle
print(
'Usage: "sudo python3 switchbot_py2topy3.py [mac dev_type cmd]" or "sudo python3 switchbot_py2topy3.py"')
connect = pexpect.spawn('hciconfig')
pnum = connect.expect(["hci0", pexpect.EOF, pexpect.TIMEOUT])
if pnum != 0:
print('No bluetooth hardware, exit now')
sys.exit()
connect = pexpect.spawn('hciconfig hci0 up')
# print(sys.argv, len(sys.argv))
if len(sys.argv) == 4 or len(sys.argv) == 5:
dev = sys.argv[1]
dev_type = sys.argv[2]
act = sys.argv[3] if len(sys.argv) < 5 else ('Turn ' + sys.argv[4])
trigger_device([dev, dev_type, act])
elif len(sys.argv) == 1:
# Start scanning...
scan = DevScanner()
dev_list = scan.scan_loop()
# dev_number = None
if not dev_list:
print("No SwitchBot nearby, exit")
sys.exit()
for idx, val in enumerate(dev_list):
print('%2d' % idx, val)
dev_number = int(input("Input the device number to control:"))
if dev_number >= len(dev_list):
print("Input error, exit")
else:
ble_dev = dev_list[dev_number]
print(ble_dev)
# Trigger the device to work
# If the SwitchBot address is known you can run this command directly without scanning
trigger_device(ble_dev)
else:
print('Wrong cmd!')
print(
'Usage: "sudo python3 switchbot_py2topy3.py [mac dev_type cmd]" or "sudo python3 switchbot_py2topy3.py"')
connect = pexpect.spawn('hciconfig')
sys.exit()
if __name__ == "__main__":
main()