"""Driver for PiFlow""" import os import threading import json import time from random import randint from datetime import datetime as dt from device_base import deviceBase import persistence from utilities import get_public_ip_address, get_private_ip_address from file_logger import filelogger as log """import RPi.GPIO as GPIO Relay_Ch1 = 26 Relay_Ch2 = 20 Relay_Ch3 = 21 GPIO.setwarnings(False) GPIO.setmode(GPIO.BCM) GPIO.setup(Relay_Ch1,GPIO.OUT) GPIO.output(Relay_Ch1, GPIO.HIGH) GPIO.setup(Relay_Ch2,GPIO.OUT) GPIO.output(Relay_Ch2, GPIO.HIGH) GPIO.setup(Relay_Ch3,GPIO.OUT) GPIO.output(Relay_Ch3, GPIO.HIGH) """ _ = None os.system('sudo timedatectl set-timezone America/Chicago') log.info("PiFlow startup") # GLOBAL VARIABLES WAIT_FOR_CONNECTION_SECONDS = 5 IP_CHECK_PERIOD = 60 # PERSISTENCE FILE PERSIST = persistence.load('persist.json') if not PERSIST: PERSIST = { 'flowmeter': 247, 'drive': 1, 'isVFD': False, 'drive_enabled': True, 'state': False, 'state_timer': 0, 'plc_ip': '192.168.1.12', 'yesterday_totalizer_1': dt.today().day, 'yesterday_totalizer_2': dt.today().day, 'yesterday_totalizer_3': dt.today().day, 'yesterday_total_totalizer_1': 0, 'yesterday_total_midnight_totalizer_1': 0, 'yesterday_total_totalizer_2': 0, 'yesterday_total_midnight_totalizer_2': 0, 'yesterday_total_totalizer_3': 0, 'yesterday_total_midnight_totalizer_3': 0 } persistence.store(PERSIST, 'persist.json') """ try: if time.time() - PERSIST['state_timer'] >= 60: GPIO.output(Relay_Ch1, GPIO.HIGH) PERSIST['state'] = False persistence.store(PERSIST, "persist.json") elif PERSIST['state']: GPIO.output(Relay_Ch1, GPIO.LOW) else: GPIO.output(Relay_Ch1, GPIO.HIGH) except: PERSIST['state'] = False PERSIST['state_time'] = time.time() persistence.store(PERSIST, "persist.json") """ drive_enabled = PERSIST['drive_enabled'] try: isVFD = PERSIST['isVFD'] except: PERSIST['isVFD'] = False isVFD = PERSIST['isVFD'] persistence.store(PERSIST) try: plc_ip = PERSIST['plc_ip'] except: PERSIST['plc_ip'] = '192.168.1.12' plc_ip = PERSIST['plc_ip'] persistence.store(PERSIST) from Tags import tags CHANNELS = tags from runtimeStats import RuntimeStats as RTS 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 = "28" self.finished = threading.Event() self.force_send = False self.public_ip_address = "" self.private_ip_address = "" self.public_ip_address_last_checked = 0 self.status = "" self.alarm = "" self.rts = RTS() self.rts.loadDataFromFile() self.rts.saveDataToFile() 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("PiFlow driver will start in {} seconds".format(WAIT_FOR_CONNECTION_SECONDS - i)) time.sleep(1) log.info("BOOM! Starting PiFlow driver...") #self._check_watchdog() self._check_ip_address() self.nodes["PiFlow_0199"] = self send_loops = 0 while True: now = time.time() if self.force_send: log.warning("FORCE SEND: TRUE") if isVFD: status = {} for chan in CHANNELS[:24]: #build status/alarm strings try: val = chan.read() chan.check(val, self.force_send) status[chan.mesh_name] = chan.value except Exception as e: log.warning("An error occured in status check: {}".format(e)) try: self.sendStatus(status) except Exception as e: log.warning("An error occured in send status: {}".format(e)) for chan in CHANNELS[24:]: try: val = chan.read() if chan.mesh_name in ['totalizer_1','totalizer_2','totalizer_3']: right_now = dt.today() today_total, yesterday_total = self.totalize(val, PERSIST['yesterday_'+chan.mesh_name], right_now.day, right_now.hour, right_now.minute, PERSIST['yesterday_total_midnight_'+chan.mesh_name], PERSIST['yesterday_total_'+chan.mesh_name], chan.mesh_name) if chan.check(val, self.force_send): self.sendtodbDev(1, chan.mesh_name, chan.value, 0, 'PiFlow') self.sendtodbDev(1,"today_"+chan.mesh_name, today_total,0,'PiFlow') self.sendtodbDev(1,"yesterday_"+chan.mesh_name, yesterday_total,0,'PiFlow') self.sendtodbDev(1, chan.mesh_name + "_units", "BBL",0,'PiFlow') elif chan.mesh_name == "frequency": if val > 0: self.rts.addHertzDataPoint(val) self.rts.saveDataToFile() if chan.check(val, self.force_send): self.sendtodbDev(1, chan.mesh_name, chan.value, 0, 'PiFlow') self.sendtodbDev(1, "avgFrequency30Days", self.rts.calculateAverageHertzMultiDay(),0,'PiFlow') else: if chan.check(val, self.force_send): self.sendtodbDev(1, chan.mesh_name, chan.value, 0, 'PiFlow') except Exception as e: log.warning("An error occured in data collection: {}".format(e)) else: for chan in CHANNELS: try: if chan.mesh_name == "remote_start": val = PERSIST["state"] else: val = None for _ in range(3): temp = chan.read() if not temp == None: val = temp if val == None: log.info("No modbus data sending previous value") val = chan.value if chan.mesh_name in ['totalizer_1','totalizer_2','totalizer_3']: right_now = dt.today() today_total, yesterday_total = self.totalize(val, PERSIST['yesterday_'+chan.mesh_name], right_now.day, right_now.hour, right_now.minute, PERSIST['yesterday_total_midnight_'+chan.mesh_name], PERSIST['yesterday_total_'+chan.mesh_name], chan.mesh_name) if chan.check(val, self.force_send): self.sendtodbDev(1, chan.mesh_name, chan.value, 0, 'PiFlow') self.sendtodbDev(1,"today_"+chan.mesh_name, today_total,0,'PiFlow') self.sendtodbDev(1,"yesterday_"+chan.mesh_name, yesterday_total,0,'PiFlow') elif chan.mesh_name == "volume_flow" and not PERSIST['drive_enabled']: if chan.check(val, self.force_send): self.sendtodbDev(1, chan.mesh_name, chan.value, 0, 'PiFlow') if chan.value > 0: self.sendtodbDev(1, "run_status", "Running", 0, 'PiFlow') if not self.rts.runs[self.rts.todayString]["run_" + str(self.rts.currentRun)]["start"]: self.rts.startRun() self.rts.saveDataToFile() else: self.sendtodbDev(1,"run_status", "Stopped", 0, 'PiFlow') if self.rts.runs[self.rts.todayString]["run_" + str(self.rts.currentRun)]["start"] and not self.rts.runs[self.rts.todayString]["run_" + str(self.rts.currentRun)]["end"]: self.rts.endRun() self.rts.saveDataToFile() self.sendtodbDev(1, "percentRunTime30Days", self.rts.calculateRunPercentMultiDay(), 0,'PiFlow') elif chan.mesh_name == "run_status": if "Operating" in val and not self.rts.runs[self.rts.todayString]["run_" + str(self.rts.currentRun)]["start"]: self.rts.startRun() self.rts.saveDataToFile() elif "Stopped" in val and self.rts.runs[self.rts.todayString]["run_" + str(self.rts.currentRun)]["start"] and not self.rts.runs[self.rts.todayString]["run_" + str(self.rts.currentRun)]["end"]: self.rts.endRun() self.rts.saveDataToFile() if chan.check(val, self.force_send): self.sendtodbDev(1, chan.mesh_name, chan.value, 0, 'PiFlow') self.sendtodbDev(1, "percentRunTime30Days", self.rts.calculateRunPercentMultiDay(), 0,'PiFlow') elif chan.mesh_name == "frequency": if val > 0: self.rts.addHertzDataPoint(val) self.rts.saveDataToFile() if chan.check(val, self.force_send): self.sendtodbDev(1, chan.mesh_name, chan.value, 0, 'PiFlow') self.sendtodbDev(1, "avgFrequency30Days", self.rts.calculateAverageHertzMultiDay(),0,'PiFlow') elif chan.mesh_name == "remote_start": if chan.check(val, self.force_send): self.sendtodbDev(1, chan.mesh_name, chan.value, 0, 'PiFlow') PERSIST["state_timer"] = time.time() persistence.store(PERSIST, "persist.json") else: if chan.check(val, self.force_send): self.sendtodbDev(1, chan.mesh_name, chan.value, 0, 'PiFlow') except Exception as e: log.warning("An error occured: {}".format(e)) time.sleep(3) # print("PiFlow driver still alive...") if self.force_send: if send_loops > 2: log.warning("Turning off force_send") self.force_send = False send_loops = 0 else: send_loops += 1 if (now - self.public_ip_address_last_checked) > IP_CHECK_PERIOD: self._check_ip_address() time.sleep(10) 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() test_public_ip = test_public_ip[:-1] test_private_ip = get_private_ip_address() if not test_public_ip == self.public_ip_address and not test_public_ip == "0.0.0.0": self.sendtodbDev(1, 'public_ip_address', test_public_ip, 0, 'PiFlow') self.public_ip_address = test_public_ip if not test_private_ip == self.private_ip_address: self.sendtodbDev(1, 'private_ip_address', test_private_ip, 0, 'PiFlow') self.private_ip_address = test_private_ip def PiFlow_sync(self, name, value): """Sync all data from the driver.""" self.force_send = True # self.sendtodb("log", "synced", 0) return True def PiFlow_flowmeternumber(self, name, unit_number): """Change the unit number for the PiFlow flow meter""" unit_number = int(unit_number) if drive_enabled: for chan in CHANNELS[0:8]: chan.unit_number = unit_number PERSIST['flowmeter'] = unit_number persistence.store(PERSIST, 'persist.json') return True else: for chan in CHANNELS: chan.unit_number = unit_number PERSIST['flowmeter'] = unit_number persistence.store(PERSIST, 'persist.json') self.sendtodbDev(1, 'flowmeternumber', unit_number, 0,'PiFlow') return True return False def PiFlow_drivenumber(self, name, unit_number): """Change the unit number for the PiFlow drive""" unit_number = int(unit_number) for chan in CHANNELS[8:]: chan.unit_number = unit_number PERSIST['drive'] = unit_number persistence.store(PERSIST, 'persist.json') self.sendtodbDev(1, 'drivenumber', unit_number, 0,'PiFlow') return True def PiFlow_reboot(self, name, value): os.system('reboot') return True def PiFlow_drive_enabled(self, name, value): value = int(value) if value == 1: PERSIST['drive_enabled'] = True else: PERSIST['drive_enabled'] = False persistence.store(PERSIST, 'persist.json') self.sendtodbDev(1, 'drive_enabled', value, 0,'PiFlow') return True def PiFlow_write(self, name, value): """Write a value to the device via modbus""" new_val = json.loads(str(value).replace("'", '"')) addr_n = int(new_val['addr']) reg_n = int(new_val['reg']) val_n = new_val['val'] for chan in CHANNELS: if chan.unit_number == addr_n and chan.register_number == reg_n: write_res = chan.write(val_n) log.info("Result of PiFlow_write(self, {}, {}) = {}".format(name, value, write_res)) return write_res """ def PiFlow_start(self, name, value): if isVFD: #do something with the plc log.info("Sending START signal to PLC") else: log.info("Sending START signal to Drive via relay {}".format(Relay_Ch1)) GPIO.output(Relay_Ch1,GPIO.LOW) PERSIST["state"] = True PERSIST["state_timer"] = time.time() persistence.store(PERSIST,"persist.json") return True def PiFlow_stop(self, name, value): if isVFD: log.info("Sending STOP signal to PLC") #do something with the plc else: log.info("Sending STOP signal to Drive") GPIO.output(Relay_Ch1,GPIO.HIGH) PERSIST["state"] = False PERSIST["state_timer"] = time.time() persistence.store(PERSIST, "persist.json") return True """ def totalize(self,val, yesterday, day, hour, minute, yesterday_total_midnight, yesterday_total,channel): if (yesterday_total == 0 and yesterday_total_midnight == 0) or (yesterday_total == None or yesterday_total_midnight == None): yesterday_total_midnight = val PERSIST['yesterday_total_midnight_'+channel] = yesterday_total_midnight persistence.store(PERSIST, 'persist.json') today_total = val - yesterday_total_midnight if hour == 0 and minute == 0 and not(day == yesterday): self.rts.manageTime() yesterday_total = today_total yesterday_total_midnight = val today_total = val - yesterday_total_midnight yesterday = day PERSIST['yesterday_'+channel] = yesterday PERSIST['yesterday_total_'+channel] = yesterday_total PERSIST['yesterday_total_midnight_'+channel] = yesterday_total_midnight persistence.store(PERSIST,'persist.json') return today_total,yesterday_total def sendStatus(self,status): status_string = "" fault_codes = { 0: "", 2: "Auxiliary Input", 3: "Power Loss", 4: "UnderVoltage", 5: "OverVoltage", 7: "Motor Overload", 8: "Heatsink OvrTemp", 9: "Thermister OvrTemp", 10: "DynBrake OverTemp", 12: "HW OverCurrent", 13: "Ground Fault", 14: "Ground Warning", 15: "Load Loss", 17: "Input Phase Loss", 18: "Motor PTC Trip", 19: "Task Overrun", 20: "TorqPrv Spd Band", 21: "Output PhaseLoss", 24: "Decel Inhibit", 25: "OverSpeed Limit", 26: "Brake Slipped", 27: "Torq Prove Cflct", 28: "TP Encls Config", 29: "Analog In Loss", 33: "AuRsts Exhausted", 35: "IPM OverCurrent", 36: "SW OverCurrent", 38: "Phase U to Grnd", 39: "Phase V to Grnd", 40: "Phase W to Grnd", 41: "Phase UV Short", 42: "Phase VW Short", 43: "Phase WU Short", 44: "Phase UNegToGrnd", 45: "Phase VNegToGrnd", 46: "Phase WNegToGrnd", 48: "System Defaulted", 49: "Drive Powerup", 51: "Clr Fault Queue", 55: "Ctrl Bd Overtemp", 59: "Invalid Code", 61: "Shear Pin 1", 62: "Shear Pin 2", 64: "Drive Overload", 67: "Pump Off", 71: "Port 1 Adapter", 72: "Port 2 Adapter", 73: "Port 3 Adapter", 74: "Port 4 Adapter", 75: "Port 5 Adapter", 76: "Port 6 Adapter", 77: "IR Volts Range", 78: "FluxAmpsRef Rang", 79: "Excessive Load", 80: "AutoTune Aborted", 81: "Port 1 DPI Loss", 82: "Port 2 DPI Loss", 83: "Port 3 DPI Loss", 84: "Port 4 DPI Loss", 85: "Port 5 DPI Loss", 86: "Port 6 DPI Loss", 87: "Ixo VoltageRange", 91: "Pri VelFdbk Loss", 93: "Hw Enable Check", 94: "Alt VelFdbk Loss", 95: "Aux VelFdbk Loss", 96: "PositionFdbkLoss", 97: "Auto Tach Switch", 100: "Parameter Chksum", 101: "PwrDn NVS Blank", 102: "NVS Not Blank", 103: "PwrDn Nvs Incomp", 104: "Pwr Brd Checksum", 106: "Incompat MCB-PB", 107: "Replaced MCB-PB", 108: "Anlg Cal Chksum", 110: "Ivld Pwr Bd Data", 111: "PwrBd Invalid ID", 112: "PwrBd App MinVer", 113: "Tracking DataErr", 115: "PwrDn Table Full", 116: "PwrDnEntry2Large", 117: "PwrDn Data Chksm", 118: "PwrBd PwrDn Chks", 124: "App ID Changed", 125: "Using Backup App", 134: "Start on PowerUp", 137: "Ext Prechrg Err", 138: "Precharge Open", 141: "Autn Enc Angle", 142: "Autn Spd Rstrct", 143: "AutoTune CurReg", 144: "AutoTune Inertia", 145: "AutoTune Travel", 13037: "Net IO Timeout" } if status['vfd_active'] == "Stopped": status_string = status_string + status['vfd_active'] + "; " + status['vfd_ready'] else: status_string = status_string + status['vfd_active'] if status['vfd_rev']: status_string = status_string + '; ' + status['vfd_rev'] if status['vfd_fwd']: status_string = status_string + '; ' + status['vfd_fwd'] if status['vfd_atreference']: status_string = status_string + '; ' + status['vfd_atreference'] alarm_string = "" if status['vfd_faulted'] == "Drive Faulted": status_string = status_string + '; ' + status['vfd_faulted'] if status['vfd_commloss']: alarm_string = alarm_string + '; ' + status['vfd_commloss'] if status['vfd_fbkalarm']: alarm_string = alarm_string + '; ' + status['vfd_fbkalarm'] if status['vfd_faultcode']: alarm_string = alarm_string + '; ' + "Fault: {} Fault code: {}".format(fault_codes[status['vfd_faultcode']],str(status['vfd_faultcode'])) if status['minspeedalarm']: alarm_string = alarm_string + '; ' + status['minspeedalarm'] if status['pumpedoff']: alarm_string = alarm_string + '; ' + status['pumpedoff'] if status['lockedout']: alarm_string = alarm_string + '; ' + status['lockedout'] if status['tubingpressurehi']: alarm_string = alarm_string + '; ' + status['tubingpressurehi'] if status['tubingpressurehihi']: alarm_string = alarm_string + '; ' + status['tubingpressurehihi'] if status['tubingpressurelo']: alarm_string = alarm_string + '; ' + status['tubingpressurelo'] if status['tubingpressurelolo']: alarm_string = alarm_string + '; ' + status['tubingpressurelolo'] if status['flowmeterhihi']: alarm_string = alarm_string + '; ' + status['flowmeterhihi'] if status['flowmeterhi']: alarm_string = alarm_string + '; ' + status['flowmeterhi'] if status['flowmeterlolo']: alarm_string = alarm_string + '; ' + status['flowmeterlolo'] if status['flowmeterlo']: alarm_string = alarm_string + '; ' + status['flowmeterlo'] if status['fluidlevellolo']: alarm_string = alarm_string + '; ' + status['fluidlevellolo'] if status['fluidlevello']: alarm_string = alarm_string + '; ' + status['fluidlevello'] if status['fluidlevelhi']: alarm_string = alarm_string + '; ' + status['fluidlevelhi'] if status['fluidlevelhihi']: alarm_string = alarm_string + '; ' + status['fluidlevelhihi'] try: if status_string and status_string[0] == '; ': status_string = status_string[1:] if status_string and status_string[-1] == '; ': status_string = status_string[:-1] if alarm_string and alarm_string[0] == '; ': alarm_string = alarm_string[1:] if alarm_string and alarm_string[-1] == '; ': alarm_string = alarm_string[:-1] except Exception as e: log.warning("Error in send status semicolon: {}".format(e)) if self.status != status_string: self.status = status_string log.info("Sending {} for {}".format(status_string, 'run_status')) self.sendtodbDev(1, 'run_status', status_string, 0, 'PiFlow') if "Operating" in status_string and not self.rts.runs[self.rts.todayString]["run_" + str(self.rts.currentRun)]["start"]: self.rts.startRun() self.rts.saveDataToFile() elif "Stopped" in status_string and self.rts.runs[self.rts.todayString]["run_" + str(self.rts.currentRun)]["start"] and not self.rts.runs[self.rts.todayString]["run_" + str(self.rts.currentRun)]["end"]: self.rts.endRun() self.rts.saveDataToFile() self.sendtodbDev(1, "percentRunTime30Days", self.rts.calculateRunPercentMultiDay(), 0,'PiFlow') if self.alarm != alarm_string: self.alarm = alarm_string log.info("Sending {} for {}".format(alarm_string, 'fault_a')) self.sendtodbDev(1, 'fault_a', alarm_string, 0 , 'PiFlow')