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- #!/usr/bin/python3 -u
- #
- # pip3 install pyyaml paho-mqtt pyserial
- import yaml
- from yaml.constructor import ConstructorError
- import serial
- import sys
- import time
- from time import sleep
- from time import localtime, strftime
- import datetime
- import paho.mqtt.client as mqtt
- import json
- import os
- version = 0.2
- verbose = False
- debug = False
- deviceConfigFile = "/home/pi/cul2mqtt_devices.yaml"
- #Log levels: DEBUG, INFO, WARNING, ERROR or CRITICAL
- #loglevel = "DEBUG"
- log_enable = True
- log_path = '/home/pi/logs/cul2mqtt'
- mqtt_server = "10.1.1.11"
- mqtt_port = 1883
- mqtt_user = "admin"
- mqtt_password = "2Bierum4"
- TX_interface_prefer = "MQTT" # UART or MQTT
- repeat_received_commands = True # not yet implemented
- if len(sys.argv) >= 2:
- if sys.argv[1] == "-q":
- verbose = False
- elif sys.argv[1] == "-v":
- verbose = True
- # serial (USB) CUL device
- receive_from_serial_cul = True
- send_on_serial_cul = True
- serialPort = '/dev/serial/by-id/usb-1a86_USB2.0-Serial-if00-port0'
- serialBaudrate = 38400
- serialTimeout = 1
- culInitCmd = 'X21\r\n' # CUL init command for normal operation
- culInitTimeout = 3
- forceSerialCULConnected = False
- serialCULAvailable = False
- # MQTT CUL
- receive_from_mqtt_cul = True
- send_on_mqtt_cul = True
- mqtt_topic_cul_received = "T5/CUL/received"
- mqtt_topic_cul_send = "T5/CUL/send"
- filterSelfSentIncomingTimeout = 100
- devdata = {}
- RXcodesToDevFunction = {}
- InTopicsToDevIds = {}
- try:
- from yaml import CLoader as Loader
- except ImportError:
- from yaml import Loader
-
- def no_duplicates_constructor(loader, node, deep=False):
- """Check for duplicate keys."""
- mapping = {}
- for key_node, value_node in node.value:
- key = loader.construct_object(key_node, deep=deep)
- value = loader.construct_object(value_node, deep=deep)
- if key in mapping:
- raise ConstructorError("while constructing a mapping", node.start_mark, "found duplicate key (%s)" % key, key_node.start_mark)
- mapping[key] = value
- return loader.construct_mapping(node, deep)
- yaml.add_constructor(yaml.resolver.BaseResolver.DEFAULT_MAPPING_TAG, no_duplicates_constructor)
- log_last_date = None
- logfilehandle = False
- def log_start():
- global logfilehandle, log_last_date
- if log_enable:
- if not os.path.exists(log_path):
- os.makedirs(log_path)
-
- try:
- _log_current_date = strftime("%Y%m%d")
- #_logfilename = _log_current_date + "_" + logfile_name
- _logfilename = _log_current_date + ".log"
- logfilehandle = open(log_path + '/' + _logfilename, 'a')
- log_last_date = _log_current_date
- except:
- pass
- def log_rotate():
- global logfilehandle, log_last_date
- if log_enable:
- _log_current_date = strftime("%Y%m%d")
-
- if log_last_date != _log_current_date:
- try:
- logfilehandle.close()
- _logfilename = _log_current_date + ".log"
- logfilehandle = open(log_path + '/' + _logfilename, 'a')
- log_last_date = _log_current_date
- except:
- pass
-
-
- def log_write(_msg):
- global logfilehandle
- print(_msg)
- log_rotate()
- if log_enable:
- try:
- logfilehandle.write("[" + str(datetime.datetime.now()) + "] " + _msg + "\n")
- logfilehandle.flush()
- except:
- # guat dann hoit ned...
- pass
- log_start()
- log_write("CUL2MQTT v" + str(version))
- log_write("=====================================")
- try:
- with open(deviceConfigFile) as devfile:
- devdata = yaml.load(devfile, Loader=yaml.FullLoader)
- if debug:
- log_write("")
- log_write("")
- log_write("==== parsing config file ====")
- log_write("")
- log_write(devdata)
- log_write("")
-
- for deviceid in devdata:
- if debug:
- log_write("")
- log_write("")
- log_write("Device: " + deviceid)
- log_write(devdata[deviceid])
-
- if "RX" in devdata[deviceid].keys():
- if devdata[deviceid]["RX"] != "":
- if debug:
- log_write("RX codes:")
- for key, value in devdata[deviceid]["RX"].items():
- if debug:
- log_write(key, "->", value)
- if value in RXcodesToDevFunction.keys():
- log_write("")
- log_write("")
- log_write("ERROR: RX-string '" + str(value) + "' is already defined for another device! Must be unique.")
- raise
- else:
- RXcodesToDevFunction[value] = deviceid, key
-
- if "cmdTopic" in devdata[deviceid].keys():
- if devdata[deviceid]["cmdTopic"] != "":
- cmdTopic = devdata[deviceid]["cmdTopic"]
- if debug:
- log_write("cmdTopic: " + cmdTopic)
- if cmdTopic in InTopicsToDevIds.keys():
- log_write("")
- log_write("")
- log_write("ERROR: cmdTopic '" + str(cmdTopic) + "' is already defined for another device! Must be unique.")
- raise
- else:
- InTopicsToDevIds[cmdTopic] = deviceid
-
- if debug:
- log_write("")
- log_write("")
- log_write("")
- log_write("RXcodesToDevFunction:")
- log_write(RXcodesToDevFunction)
- log_write("")
- log_write("")
- log_write("InTopicsToDevIds:")
- log_write(InTopicsToDevIds)
- log_write("")
- log_write("")
- log_write("InTopicsToDevIds.keys():")
- log_write(InTopicsToDevIds.keys())
- log_write("")
- log_write("")
- log_write("==== parsing config file complete ====")
- log_write("")
- log_write("")
- log_write("")
- log_write("")
- except ConstructorError as err:
- log_write("ERROR on parsing configfile:")
- log_write(err)
- exit(1)
- except:
- log_write("ERROR opening configfile")
- exit(1)
- ## #mqtt_topic_in = "cul/in"
- ##
- ##
- lastReceived = ["","","","","","","","","",""]
- lastReceivedTime = [0,0,0,0,0,0,0,0,0,0]
- lastReceivedIndex = 0
- lastReceivedMaxAge = 500 # ignore repeated messages when they are younger than x ms
- lastSentTime = {}
- lastSentMinInterval = 1500 # ignore repeated messages when they are younger than x ms, should be > 1500
- lastSentCmd = ""
- lastSentCmdTime = 0
- lastSentDev = ""
- lastSentDevCmd = ""
- ##
- ##
- ##
- ## global lastAction_bwm1
- ## global lastAction_bwm2
- ## global lastAction_bwm3
- ## lastAction_bwm1 = 0
- ## lastAction_bwm2 = 0
- ## lastAction_bwm3 = 0
- def touch(fname, times=None):
- with open(fname, 'a'):
- os.utime(fname, times)
- def on_connect(client, userdata, flags, rc):
- if verbose:
- log_write("MQTT connected with result code " + str(rc))
- if receive_from_mqtt_cul:
- if mqtt_topic_cul_received != "":
- client.subscribe(mqtt_topic_cul_received)
-
- for in_topic in InTopicsToDevIds.keys():
- if in_topic != "":
- client.subscribe(in_topic)
- if verbose:
- log_write("MQTT subscribed: " + in_topic)
- def on_disconnect(client, userdata, rc):
- if rc != 0:
- log_write("Unexpected MQTT disconnection. Will auto-reconnect")
-
- def on_message(client, userdata, msg):
- #print(msg.topic + ": " + str(msg.payload))
-
- payload = msg.payload.decode("utf-8")
-
- if verbose:
- log_write("MQTT received: " + msg.topic + " -> " + str(payload))
-
- #log_write("")
- #print("TOPIC: ")
- #print(msg.topic)
- #print("TOPIC REC: ")
- #print(mqtt_topic_cul_received)
-
- # MQTT message is output from CUL
- if receive_from_mqtt_cul and msg.topic == mqtt_topic_cul_received:
- payload = payload.rstrip()
- if verbose:
- log_write("")
- log_write("MQTT-CUL RX: '" + payload + "'")
- cul_received(payload, "MQTT")
-
- else:
- for in_topic, dev in InTopicsToDevIds.items():
- if msg.topic == in_topic:
- #log_write("")
- log_write("MQTT received - '" + msg.topic + "' = '" + payload + "' => DEV: " + dev)
- #print(devdata[dev])
-
- if 'name' in devdata[dev].keys():
- log_write('devName: ' + devdata[dev]['name'])
-
- if 'statTopic' in devdata[dev].keys():
- log_write('statTopic: ' + devdata[dev]['statTopic'])
- mqttc.publish(devdata[dev]['statTopic'], payload, qos=0, retain=False)
-
- if 'add_statTopics_on' in devdata[dev].keys():
- log_write("add_statTopics_on:")
- for res in devdata[dev]['add_statTopics_on']:
- #print(res)
- if 'on_payload' in res and 'topic' in res and 'payload' in res:
- if payload == res['on_payload'] and payload != "" and res['topic'] != "" and res['payload'] != "":
- log_write(" on '" + payload + "': '" + res['payload'] + "' => '" + res['topic'] + "'")
- mqttc.publish(res[topic], res[payload], qos=0, retain=False)
-
- #if 'TX' in devdata[dev].keys():
- # if payload in devdata[dev]['TX']:
- # txstring = devdata[dev]['TX'][payload]
- # print("TX code for '" + payload + "' is: " + txstring)
-
- TX_interface = TX_interface_prefer
-
- global lastSentDev, lastSentDevCmd, lastSentCmdTime
- now = int(round(time.time() * 1000))
- if debug:
- log_write("dev="+dev+", lastSentDevCmd="+lastSentDevCmd)
- if dev == lastSentDev and payload == lastSentDevCmd and (now - lastSentCmdTime) < 1000:
- if verbose:
- log_write("MQTT: ignored command as we just sent this.")
- pass
- else:
- cul_send(dev, payload)
- #if 'TX_interface' in devdata[dev].keys():
- # print("TX_interface: " + devdata[dev]['TX_interface'])
- #
- #if TX_interface == "MQTT" or TX_interface == "both":
- # print("TX via MQTT")
- # cul_send(dev, payload)
- #
- #if TX_interface == "UART" or TX_interface == "both":
- # print("TX via UART")
- # cul_send(dev, payload)
-
- def publish_device_statusupdate(device, cmd):
- if device in devdata.keys():
- if 'statTopic' in devdata[device].keys():
- statTopic = devdata[device]['statTopic']
- log_write("MQTT publish: '" + cmd + "' -> '" + statTopic + "'")
- mqttc.publish(statTopic, cmd, qos=0, retain=False)
-
- if 'add_statTopics_on' in devdata[device].keys():
- log_write(" MQTT publish add_statTopics_on:")
- for res in devdata[device]['add_statTopics_on']:
- #print(res)
- if 'on_payload' in res and 'topic' in res and 'payload' in res:
- if cmd == res['on_payload']:
- log_write(" on '" + res['on_payload'] + "' -> publish '" + res['payload'] + "' on topic '" + res['topic'] + "'")
- mqttc.publish(res['topic'], res['payload'], qos=0, retain=False)
-
- if 'add_statTopics' in devdata[device].keys():
- log_write(" MQTT publish on add_statTopics:")
- for res in devdata[device]['add_statTopics']:
- log_write(" '" + cmd + "' -> '" + res + "'")
- mqttc.publish(res, cmd, qos=0, retain=False)
-
- def parseRXCode(rx_code, source_cul):
- receivedForDevice = None
- receivedCmnd = None
- if rx_code in RXcodesToDevFunction:
- receivedForDevice = RXcodesToDevFunction[rx_code][0]
- receivedCmnd = RXcodesToDevFunction[rx_code][1]
- #print("receivedForDevice = " + receivedForDevice + ", receivedCmnd = " + receivedCmnd)
- #log_write("DEV: " + receivedForDevice + ", CMD: " + receivedCmnd + ", RX: " + rx_code)
- log_write("")
- log_write("CUL '" + source_cul + "' received '" + rx_code + "' => DEV: " + receivedForDevice + ", CMD: " + receivedCmnd)
- else:
- if rx_code.startswith("i"):
- receivedForDevice, receivedCmnd = decodeInterTechnoRX(rx_code)
- print(receivedForDevice, receivedCmnd)
-
- if receivedForDevice != None and receivedCmnd != None:
- publish_device_statusupdate(receivedForDevice, receivedCmnd)
- def decodeInterTechnoRX(rx_code):
- # decode old fixed code from InterTechno remotes
- _housecode = None
- _devaddr = None
- _command = None
- _itname = None
-
- #print(rx_code[0:1])
- #print(rx_code[1:3])
- #print(rx_code[3:5])
- #print(rx_code[5:7])
-
- if rx_code[0:1] == "i":
- if rx_code[1:3] == "00": _housecode = "A"
- elif rx_code[1:3] == "40": _housecode = "B"
- elif rx_code[1:3] == "10": _housecode = "C"
- elif rx_code[1:3] == "50": _housecode = "D"
- elif rx_code[1:3] == "04": _housecode = "E"
- elif rx_code[1:3] == "44": _housecode = "F"
- elif rx_code[1:3] == "14": _housecode = "G"
- elif rx_code[1:3] == "54": _housecode = "H"
- elif rx_code[1:3] == "01": _housecode = "I"
- elif rx_code[1:3] == "41": _housecode = "J"
- elif rx_code[1:3] == "11": _housecode = "K"
- elif rx_code[1:3] == "51": _housecode = "L"
- elif rx_code[1:3] == "05": _housecode = "M"
- elif rx_code[1:3] == "45": _housecode = "N"
- elif rx_code[1:3] == "15": _housecode = "O"
- elif rx_code[1:3] == "55": _housecode = "P"
-
- if rx_code[3:5] == "00": _devaddr = "1"
- elif rx_code[3:5] == "40": _devaddr = "2"
- elif rx_code[3:5] == "10": _devaddr = "3"
- elif rx_code[3:5] == "50": _devaddr = "4"
- elif rx_code[3:5] == "04": _devaddr = "5"
- elif rx_code[3:5] == "44": _devaddr = "6"
- elif rx_code[3:5] == "14": _devaddr = "7"
- elif rx_code[3:5] == "54": _devaddr = "8"
- elif rx_code[3:5] == "01": _devaddr = "9"
- elif rx_code[3:5] == "41": _devaddr = "10"
- elif rx_code[3:5] == "11": _devaddr = "11"
- elif rx_code[3:5] == "51": _devaddr = "12"
- elif rx_code[3:5] == "05": _devaddr = "13"
- elif rx_code[3:5] == "45": _devaddr = "14"
- elif rx_code[3:5] == "15": _devaddr = "15"
- elif rx_code[3:5] == "55": _devaddr = "16"
-
- if rx_code[5:7] == "15": _command = "ON"
- elif rx_code[5:7] == "14": _command = "OFF"
-
- if _housecode != None and _devaddr != None and _command != None:
- _itname = "IT_" + _housecode + _devaddr
- #print("valid IT code: '" + _itname + "' => '" + _command + "'")
- return _itname, _command
-
- else:
- return False
-
- #else:
- # print("unknown or invalid IT code '" + rx_code + "'")
-
- #else:
- # print("unknown or invalid IT code '" + rx_code + "'")
- def encodeInterTechnoRX(itname, cmd):
- # decode old fixed code from InterTechno remotes
- _housecode = None
- _devaddr = None
- _command = None
-
- #print(itname[0:3])
- #print(itname[3:4])
- #print(itname[4:])
-
- if itname[0:3] == "IT_":
- if itname[3:4] == "A": _housecode = "00"
- elif itname[3:4] == "B": _housecode = "40"
- elif itname[3:4] == "C": _housecode = "10"
- elif itname[3:4] == "D": _housecode = "50"
- elif itname[3:4] == "E": _housecode = "04"
- elif itname[3:4] == "F": _housecode = "44"
- elif itname[3:4] == "G": _housecode = "14"
- elif itname[3:4] == "H": _housecode = "54"
- elif itname[3:4] == "I": _housecode = "01"
- elif itname[3:4] == "J": _housecode = "41"
- elif itname[3:4] == "K": _housecode = "11"
- elif itname[3:4] == "L": _housecode = "51"
- elif itname[3:4] == "M": _housecode = "05"
- elif itname[3:4] == "N": _housecode = "45"
- elif itname[3:4] == "O": _housecode = "15"
- elif itname[3:4] == "P": _housecode = "55"
-
- if itname[4:] == "1": _devaddr = "00"
- elif itname[4:] == "2": _devaddr = "40"
- elif itname[4:] == "3": _devaddr = "10"
- elif itname[4:] == "4": _devaddr = "50"
- elif itname[4:] == "5": _devaddr = "04"
- elif itname[4:] == "6": _devaddr = "44"
- elif itname[4:] == "7": _devaddr = "14"
- elif itname[4:] == "8": _devaddr = "54"
- elif itname[4:] == "9": _devaddr = "01"
- elif itname[4:] == "10": _devaddr = "41"
- elif itname[4:] == "11": _devaddr = "11"
- elif itname[4:] == "12": _devaddr = "51"
- elif itname[4:] == "13": _devaddr = "05"
- elif itname[4:] == "14": _devaddr = "45"
- elif itname[4:] == "15": _devaddr = "15"
- elif itname[4:] == "16": _devaddr = "55"
-
- if cmd == "ON": _command = "15"
- elif cmd == "OFF": _command = "14"
-
- #print("IT housecode=", _housecode, "- devaddr=", _devaddr, "- command=", _command)
-
- if _housecode != None and _devaddr != None and _command != None:
- _rxcode = "i" + _housecode + _devaddr + _command
- #print("encoded IT RX code: '" + itname + "' => '" + cmd + "' = '" + _rxcode)
- return _rxcode
-
- else:
- return False
-
- #else:
- # print("unknown or invalid IT code '" + rx_code + "'")
-
- #else:
- # print("unknown or invalid IT code '" + rx_code + "'")
- def cul_received(payload, source_cul):
- #global lastAction_bwm1, lastAction_bwm2, lastAction_bwm3
- global lastReceivedTime, lastReceivedIndex, lastReceivedMaxAge
-
- #actionSupported = True
- isSendReply = False
-
- if payload[:2] == 'is': # msg is reply from CUL to raw send command
- isSendReply = True
-
- elif payload[:1] == 'i': # is a IT compatible command - so look it up in the code table
- inCmd = payload[:-2] #strip last 2 chars, these only represent signal strength and are not needed
- if verbose:
- log_write("inCmd: " + inCmd + ", CUL: " + source_cul)
-
-
- ignoreCommand = False
- lastReceivedLength = len(lastReceived)
- i = 0
- while i < lastReceivedLength:
- #print(str(i) + ": " + lastReceived[i])
- if lastReceived[i] == inCmd:
- lastTime = int(lastReceivedTime[i])
- now = int(round(time.time() * 1000))
- tdelta = (now - lastTime)
- #print("TDELTA = " + str(tdelta))
- if tdelta < lastReceivedMaxAge:
- log_write("ignoring command from CUL '" + source_cul + "', CMD: '" + inCmd + "' - already received " + str(tdelta) + " ms ago")
- ignoreCommand = True
- #break
- i += 1
-
- if not ignoreCommand:
- lastReceived[lastReceivedIndex] = inCmd
- lastReceivedTime[lastReceivedIndex] = int(round(time.time() * 1000))
- if lastReceivedIndex >= (lastReceivedLength - 1):
- lastReceivedIndex = 0
- else:
- lastReceivedIndex += 1
-
- parseRXCode(inCmd, source_cul)
-
- #if repeat_received_commands:
- # lastSentLength = len(lastSent)
- # i = 0
- # dontRepeat = False
- # while i < lastSentLength:
- # #print(str(i) + ": " + lastReceived[i])
- # if lastSent[i] == decCmd:
- # lastTime = int(lastSentTime[i])
- # now = int(round(time.time() * 1000))
- # tdelta = (now - lastTime)
- # #print("TDELTA = " + str(tdelta))
- # if tdelta < lastSentMaxAge:
- # print("ignoring command as it originated from ourselfs " + inCmd + " " + str(tdelta) + " ms ago")
- # dontRepeat = True
- # #break
- # i += 1
- # #cmdToSend = culSendCmds[decCmd]
- # if not dontRepeat:
- # if device != "" and cmd != "":
- # print("REPEATING COMMAND: " + cmd + " TO DEVICE " + device)
- # cul_send(device, cmd)
-
- def IT_RXtoTXCode(itReceiveCode):
- if debug:
- statusstr = "IT_RXtoTXCode "
- statusstr += "RX: "
- statusstr += itReceiveCode
- #print("IT_RXtoTXCode ReceiveCode: " + itReceiveCode)
-
- itReceiveCode = itReceiveCode[1:] # remove first character "i"
- itReceiveCodeLengthBytes = int(len(itReceiveCode)/2)
-
- itReceiveCodeBytes = []
- itTransmitTristate = "is"
-
- for x in range(itReceiveCodeLengthBytes):
- itReceiveCodeBytes.append(bin(int(itReceiveCode[x*2:(x*2+2)],16))[2:].zfill(8))
-
- for x in range(len(itReceiveCodeBytes)):
- #print("IT REC byte " + str(x) + " = " + str(itReceiveCodeBytes[x]))
- for y in range(4):
- quarterbyte = str(itReceiveCodeBytes[x][y*2:y*2+2])
- if quarterbyte == "00":
- tmpTristate = "0";
- elif quarterbyte == "01":
- tmpTristate = "F";
- elif quarterbyte == "10":
- tmpTristate = "D";
- elif quarterbyte == "11":
- tmpTristate = "1";
- #print(quarterbyte + " -> " + tmpTristate)
- itTransmitTristate = itTransmitTristate + tmpTristate
-
- if debug:
- statusstr += " -> TX: "
- statusstr += itTransmitTristate
- #print("IT_RXtoTXCode TransmitCode: " + itTransmitTristate)
- log_write(statusstr)
-
- return(itTransmitTristate)
-
- def cul_send(device, cmd):
- global lastSentTime
- culCmd = ""
- culSendCmdsKeyName = device + ' ' + cmd
- #print culSendCmdsKeyName
-
- #statTopic = False
- #if 'statTopic' in devdata[device].keys():
- # statTopic = devdata[device]['statTopic']
- # #print('statTopic: ' + devdata[device]['statTopic'])
- #if statTopic:
- # mqttc.publish(statTopic, cmd, qos=0, retain=False)
- # print(" MQTT: published '" + cmd + "' on statTopic: '" + devdata[device]['statTopic'])
-
- publish_device_statusupdate(device, cmd)
-
- tx_code = False
-
- if 'TX' in devdata[device]:
- #print("TX data available, cmd="+cmd)
- #print(devdata[device]['TX'])
- if cmd in devdata[device]['TX']:
- tx_code = devdata[device]['TX'][cmd]
- log_write(" TX code for '" + cmd + "': " + tx_code)
-
- if not tx_code:
- print(" deviceID: ", device)
- if 'RX' in devdata[device]:
- print(" RX code configured, cmd=" + cmd)
- print(devdata[device]['RX'])
- if cmd in devdata[device]['RX']:
- rx_code = devdata[device]['RX'][cmd]
- print(" RX code for '" + cmd + "': " + rx_code)
- tx_code = IT_RXtoTXCode(rx_code)
- log_write(" TX code for '" + cmd + "': " + tx_code)
- elif device.startswith("IT_"):
- # InterTechno device with fixed code - encode RX code for IT device name and convert to TX code
- rx_code = encodeInterTechnoRX(device, cmd)
- if rx_code:
- print(" RX code for '" + cmd + "': " + rx_code)
- tx_code = IT_RXtoTXCode(rx_code)
- log_write(" TX code for '" + cmd + "': " + tx_code)
-
- if not tx_code:
- log_write(" no valid TX code for this device/command")
- else:
- now = int(round(time.time() * 1000))
-
- # look if this command has been sent in the past, and when
- if culSendCmdsKeyName in lastSentTime.keys():
- lastTime = lastSentTime[culSendCmdsKeyName]
- else:
- lastTime = 0
-
- lastTimeAge = now - lastTime
- log_write(' lastTime: ' + str(lastTimeAge) + 'ms ago')
-
- if lastTimeAge > lastSentMinInterval: # only send if last time + min interval is exceeded
- lastSentTime[culSendCmdsKeyName] = now # save what we send, so that we dont repeat our own sent messages if repeating is enabled
-
- TX_interface = TX_interface_prefer
- if 'TX_interface' in devdata[device].keys():
- log_write(" TX_interface: " + devdata[device]['TX_interface'])
-
- if TX_interface == "UART" and not serialCULAvailable:
- TX_interface = "MQTT"
-
- global lastSentCmd, lastSentCmdTime, lastSentDev, lastSentDevCmd
- lastSentCmd = tx_code
- lastSentCmdTime = now
- lastSentDev = device
- lastSentDevCmd = cmd
-
- if send_on_mqtt_cul and (TX_interface == "MQTT" or TX_interface == "both"):
- log_write(" TX via MQTT: " + tx_code)
- mqttc.publish(mqtt_topic_cul_send, tx_code, qos=0, retain=False)
-
- if serialCULAvailable and send_on_serial_cul and (TX_interface == "UART" or TX_interface == "both"):
- log_write(" TX via UART: " + tx_code)
- culCmd = tx_code + '\r\n'
- ser.write(culCmd.encode('utf-8'))
-
- else:
- log_write("WARNING: CUL send command repeated too quickly.")
-
- # main
- if receive_from_serial_cul or send_on_serial_cul:
- if not os.path.exists(serialPort):
- log_write("ERROR opening connection to serial CUL... device '" + serialPort + "' does not exist.")
- if log_enable: writeLog("CUL2MQTT v"+version+" starting")
-
- if receive_from_mqtt_cul:
- if forceSerialCULConnected:
- exit(2)
- else:
- log_write("resuming in MQTT-CUL only mode...")
- TX_interface_prefer = "MQTT"
- receive_from_serial_cul = False
- send_on_serial_cul = False
- serialCULAvailable = False
- log_write("")
- log_write("")
- else:
- log_write("opening connection to serial CUL...")
- serLine = ""
- ser = serial.Serial(port=serialPort,baudrate=serialBaudrate,parity=serial.PARITY_NONE,stopbits=serial.STOPBITS_ONE,bytesize=serial.EIGHTBITS,timeout=serialTimeout)
- sleep(culInitTimeout)
- ser.write('V\r\n'.encode('utf-8')) # get CUL version info
- serLine = ser.readline()
- serLine = serLine.decode('utf-8').rstrip('\r\n')
- if serLine.startswith("V ") and serLine.find("culfw") != -1:
- log_write("connected. CUL version: " + serLine)
- serialCULAvailable = True
- sleep(0.1)
- log_write('Initializing CUL with command: ' + culInitCmd.rstrip('\r\n'))
- ser.write(culInitCmd.encode('utf-8')) # initialize CUL in normal receive mode
- sleep(0.5)
- else:
- log_write("WARNING: could not connect serial CUL")
- receive_from_serial_cul = False
- send_on_serial_cul = False
- serialCULAvailable = False
- TX_interface_prefer = "MQTT"
- if forceSerialCULConnected:
- exit(2)
- mqttc = mqtt.Client()
- mqttc.on_connect = on_connect
- mqttc.on_disconnect = on_disconnect
- mqttc.on_message = on_message
- if len(mqtt_user) > 0 and len(mqtt_password) > 0:
- mqttc.username_pw_set(mqtt_user, mqtt_password)
-
- mqttc.connect(mqtt_server, mqtt_port, 60)
- mqttc.loop_start()
- while True:
- if receive_from_serial_cul:
- serLine = ser.readline()
- if len(serLine) > 0:
- now = int(round(time.time() * 1000))
- recvCmd = serLine.decode('utf-8')
- recvCmd = recvCmd.rstrip('\r\n')
-
- #if debug:
- # print("lastSentCmd: " + lastSentCmd + ", lastSentCmdTime=" + str(lastSentCmdTime))
-
- if recvCmd == lastSentCmd and (now - lastSentCmdTime) < filterSelfSentIncomingTimeout:
- pass
- else:
- if verbose:
- log_write("")
- log_write("Serial-CUL RX: '" + recvCmd + "'")
- cul_received(recvCmd, "UART")
-
- sleep(0.05)
-
- ## #print "test"
- ## #touch("/tmp/culagent_running")
- #except KeyboardInterrupt:
- # print("\n")
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