"""Driver for multisensor""" import threading import json import time from random import randint from device_base import deviceBase from channel import PLCChannel, read_tag, write_tag from utilities import get_public_ip_address from logger import filelogger _ = None filelogger.info("multisensor startup") # GLOBAL VARIABLES WAIT_FOR_CONNECTION_SECONDS = 60 WATCHDOG_ENABLE = True WATCHDOG_SEND_PERIOD = 3600 # Seconds, the longest amount of time before sending the watchdog status PLC_IP_ADDRESS = "192.168.1.12" CALIBRATION_TABLES = [[] for x in xrange(8)] CHANNELS = [ PLCChannel(PLC_IP_ADDRESS, 'an0val', 'input0.scaledValue', 'REAL', 1.0, 600, map_=False, write_enabled=False, plc_type="Micro800"), PLCChannel(PLC_IP_ADDRESS, 'an1val', 'input1.scaledValue', 'REAL', 1.0, 600, map_=False, write_enabled=False, plc_type="Micro800"), PLCChannel(PLC_IP_ADDRESS, 'an2val', 'input2.scaledValue', 'REAL', 1.0, 600, map_=False, write_enabled=False, plc_type="Micro800"), PLCChannel(PLC_IP_ADDRESS, 'an3val', 'input3.scaledValue', 'REAL', 1.0, 600, map_=False, write_enabled=False, plc_type="Micro800"), PLCChannel(PLC_IP_ADDRESS, 'an4val', 'input4.scaledValue', 'REAL', 1.0, 600, map_=False, write_enabled=False, plc_type="Micro800"), PLCChannel(PLC_IP_ADDRESS, 'an5val', 'input5.scaledValue', 'REAL', 1.0, 600, map_=False, write_enabled=False, plc_type="Micro800"), PLCChannel(PLC_IP_ADDRESS, 'an6val', 'input6.scaledValue', 'REAL', 1.0, 600, map_=False, write_enabled=False, plc_type="Micro800"), PLCChannel(PLC_IP_ADDRESS, 'an7val', 'input7.scaledValue', 'REAL', 1.0, 600, map_=False, write_enabled=False, plc_type="Micro800"), PLCChannel(PLC_IP_ADDRESS, 'pond0volume', 'input0.pondVolume', 'REAL', 1000.0, 600, map_=False, write_enabled=False, plc_type="Micro800"), PLCChannel(PLC_IP_ADDRESS, 'pond1volume', 'input1.pondVolume', 'REAL', 1000.0, 600, map_=False, write_enabled=False, plc_type="Micro800"), PLCChannel(PLC_IP_ADDRESS, 'pond2volume', 'input2.pondVolume', 'REAL', 1000.0, 600, map_=False, write_enabled=False, plc_type="Micro800"), PLCChannel(PLC_IP_ADDRESS, 'pond3volume', 'input3.pondVolume', 'REAL', 1000.0, 600, map_=False, write_enabled=False, plc_type="Micro800"), PLCChannel(PLC_IP_ADDRESS, 'pond4volume', 'input4.pondVolume', 'REAL', 1000.0, 600, map_=False, write_enabled=False, plc_type="Micro800"), PLCChannel(PLC_IP_ADDRESS, 'pond5volume', 'input5.pondVolume', 'REAL', 1000.0, 600, map_=False, write_enabled=False, plc_type="Micro800"), PLCChannel(PLC_IP_ADDRESS, 'pond6volume', 'input6.pondVolume', 'REAL', 1000.0, 600, map_=False, write_enabled=False, plc_type="Micro800"), PLCChannel(PLC_IP_ADDRESS, 'pond7volume', 'input7.pondVolume', 'REAL', 1000.0, 600, map_=False, write_enabled=False, plc_type="Micro800"), PLCChannel(PLC_IP_ADDRESS, 'an0active', 'input0.active', 'BOOL', 1.0, 600, map_=False, write_enabled=False, plc_type="Micro800"), PLCChannel(PLC_IP_ADDRESS, 'an1active', 'input1.active', 'BOOL', 1.0, 600, map_=False, write_enabled=False, plc_type="Micro800"), PLCChannel(PLC_IP_ADDRESS, 'an2active', 'input2.active', 'BOOL', 1.0, 600, map_=False, write_enabled=False, plc_type="Micro800"), PLCChannel(PLC_IP_ADDRESS, 'an3active', 'input3.active', 'BOOL', 1.0, 600, map_=False, write_enabled=False, plc_type="Micro800"), PLCChannel(PLC_IP_ADDRESS, 'an4active', 'input4.active', 'BOOL', 1.0, 600, map_=False, write_enabled=False, plc_type="Micro800"), PLCChannel(PLC_IP_ADDRESS, 'an5active', 'input5.active', 'BOOL', 1.0, 600, map_=False, write_enabled=False, plc_type="Micro800"), PLCChannel(PLC_IP_ADDRESS, 'an6active', 'input6.active', 'BOOL', 1.0, 600, map_=False, write_enabled=False, plc_type="Micro800"), PLCChannel(PLC_IP_ADDRESS, 'an7active', 'input7.active', 'BOOL', 1.0, 600, map_=False, write_enabled=False, plc_type="Micro800"), ] class start(threading.Thread, deviceBase): """Start class required by Meshify.""" def __init__(self, name=None, number=None, mac=None, Q=None, mcu=None, companyId=None, offset=None, mqtt=None, Nodes=None): """Initialize the driver.""" threading.Thread.__init__(self) deviceBase.__init__(self, name=name, number=number, mac=mac, Q=Q, mcu=mcu, companyId=companyId, offset=offset, mqtt=mqtt, Nodes=Nodes) self.daemon = True self.version = "1" self.finished = threading.Event() self.force_send = False self.public_ip_address = "" self.public_ip_address_last_checked = 0 self.watchdog = False self.watchdog_last_checked = 0 self.watchdog_last_sent = 0 threading.Thread.start(self) # this is a required function for all drivers, its goal is to upload some piece of data # about your device so it can be seen on the web def register(self): """Register the driver.""" # self.sendtodb("log", "BOOM! Booted.", 0) pass def run(self): """Actually run the driver.""" for i in range(0, WAIT_FOR_CONNECTION_SECONDS): print("multisensor driver will start in {} seconds".format(WAIT_FOR_CONNECTION_SECONDS - i)) time.sleep(1) filelogger.info("BOOM! Starting multisensor driver...") self._check_watchdog() self._check_ip_address() self.nodes["multisensor_0199"] = self send_loops = 0 watchdog_check_after = 60 ip_check_after = 60 while True: now = time.time() if self.force_send: filelogger.warning("FORCE SEND: TRUE") for chan in CHANNELS: val = chan.read() if chan.check(val, self.force_send): self.sendtodbDev(1, chan.mesh_name, chan.value, 0, 'multisensor') # print("multisensor driver still alive...") if self.force_send: if send_loops > 2: filelogger.warning("Turning off force_send") self.force_send = False send_loops = 0 else: send_loops += 1 if WATCHDOG_ENABLE: if (now - self.watchdog_last_checked) > watchdog_check_after: self._check_watchdog() if (now - self.public_ip_address_last_checked) > ip_check_after: self._check_ip_address() def read_pond_calibration(self, input_number): """Read all calibration values for a specific pond.""" last_read_height = -1.0 cal_values = [] cal_index = 1 while last_read_height != 0 and cal_index <= 10: cal_tag_height = "input{}.calibrationLevel[{}]".format(input_number, cal_index) cal_tag_volume = "input{}.calibrationVolume[{}]".format(input_number, cal_index) read_height = read_tag(PLC_IP_ADDRESS, cal_tag_height, plc_type="Micro800") time.sleep(2) read_volume = read_tag(PLC_IP_ADDRESS, cal_tag_volume, plc_type="Micro800") time.sleep(2) if read_height and read_volume: if read_height[0] > 0.0: cal_values.append({"height": read_height[0], "volume": read_volume[0]}) last_read_height = read_height[0] cal_index += 1 if cal_values != CALIBRATION_TABLES[input_number] or self.force_send: calibration_channel = "pond{}calibration".format(input_number) calibration_string = json.dumps(cal_values).replace('"', "'") self.sendtodbDev(1, calibration_channel, calibration_string, 0, 'multisensor') CALIBRATION_TABLES[input_number] = cal_values def _check_watchdog(self): """Check the watchdog and send to Meshify if changed or stale.""" test_watchdog = self.multisensor_watchdog() now = time.time() self.watchdog_last_checked = now if test_watchdog != self.watchdog or (now - self.watchdog_last_sent) > WATCHDOG_SEND_PERIOD: self.sendtodbDev(1, 'watchdog', test_watchdog, 0, 'multisensor') self.watchdog = test_watchdog self.watchdog_last_sent = now def _check_ip_address(self): """Check the public IP address and send to Meshify if changed.""" self.public_ip_address_last_checked = time.time() test_public_ip = get_public_ip_address() if not test_public_ip == self.public_ip_address: self.sendtodbDev(1, 'public_ip_address', test_public_ip, 0, 'multisensor') self.public_ip_address = test_public_ip def multisensor_watchdog(self): """Write a random integer to the PLC and then 1 seconds later check that it has been decremented by 1.""" randval = randint(0, 32767) write_tag(str(PLC_IP_ADDRESS), 'watchdog_INT', randval) time.sleep(1) watchdog_val = read_tag(str(PLC_IP_ADDRESS), 'watchdog_INT') try: return (randval - 1) == watchdog_val[0] except (KeyError, TypeError): return False def multisensor_sync(self, name, value): """Sync all data from the driver.""" self.force_send = True print("got sync({}, {})".format(name, value)) self.sendtodb("log", "synced", 0) return True def multisensor_writeplctag(self, name, value): """Write a value to the PLC.""" new_val = json.loads(str(value).replace("'", '"')) tag_n = str(new_val['tag']) # "cmd_Start" val_n = new_val['val'] write_res = write_tag(str(PLC_IP_ADDRESS), tag_n, val_n) print("Result of multisensor_writeplctag(self, {}, {}) = {}".format(name, value, write_res)) if write_res is None: write_res = "Error writing to PLC..." return write_res