300 lines
12 KiB
Python
300 lines
12 KiB
Python
"""Driver for tenflowmeterskid"""
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import threading
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import json
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import time
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from random import randint
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import os
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from device_base import deviceBase
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from Channel import PLCChannel, ModbusChannel,read_tag, write_tag, TAG_DATAERROR_SLEEPTIME
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import persistence
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from utilities import get_public_ip_address
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from file_logger import filelogger as log
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PLC_IP_ADDRESS = "192.168.1.12"
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from Tags import tags
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_ = None
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log.info("tenflowmeterskid startup")
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# GLOBAL VARIABLES
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WAIT_FOR_CONNECTION_SECONDS = 20
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IP_CHECK_PERIOD = 60
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CHANNELS = tags
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# PERSISTENCE FILE
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PERSIST = persistence.load()
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CALIBRATION_TABLES = [[],[], [], ]
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class start(threading.Thread, deviceBase):
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"""Start class required by Meshify."""
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def __init__(self, name=None, number=None, mac=None, Q=None, mcu=None,
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companyId=None, offset=None, mqtt=None, Nodes=None):
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"""Initialize the driver."""
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threading.Thread.__init__(self)
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deviceBase.__init__(self, name=name, number=number, mac=mac, Q=Q,
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mcu=mcu, companyId=companyId, offset=offset,
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mqtt=mqtt, Nodes=Nodes)
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self.daemon = True
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self.version = "1"
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self.finished = threading.Event()
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self.force_send = False
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self.public_ip_address = ""
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self.public_ip_address_last_checked = 0
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threading.Thread.start(self)
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# this is a required function for all drivers, its goal is to upload some piece of data
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# about your device so it can be seen on the web
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def register(self):
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"""Register the driver."""
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# self.sendtodb("log", "BOOM! Booted.", 0)
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pass
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def run(self):
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"""Actually run the driver."""
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for i in range(0, WAIT_FOR_CONNECTION_SECONDS):
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print("tenflowmeterskid driver will start in {} seconds".format(WAIT_FOR_CONNECTION_SECONDS - i))
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time.sleep(1)
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log.info("BOOM! Starting tenflowmeterskid driver...")
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self._check_ip_address()
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self.nodes["tenflowmeterskid_0199"] = self
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send_loops = 0
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while True:
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now = time.time()
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if self.force_send:
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log.warning("FORCE SEND: TRUE")
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for chan in CHANNELS:
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val = chan.read()
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if chan.check(val, self.force_send):
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self.sendtodbDev(1, chan.mesh_name, chan.value, 0, 'tenflowmeterskid')
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#time.sleep(TAG_DATAERROR_SLEEPTIME) # sleep to allow Micro800 to handle ENET requests
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for pond_index in range(1, 3):
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self.read_pond_calibration(pond_index)
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# print("tenflowmeterskid driver still alive...")
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if self.force_send:
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if send_loops > 2:
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log.warning("Turning off force_send")
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self.force_send = False
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send_loops = 0
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else:
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send_loops += 1
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if (now - self.public_ip_address_last_checked) > IP_CHECK_PERIOD:
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self._check_ip_address()
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def _check_ip_address(self):
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"""Check the public IP address and send to Meshify if changed."""
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self.public_ip_address_last_checked = time.time()
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test_public_ip = get_public_ip_address()
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if not test_public_ip == self.public_ip_address:
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self.sendtodbDev(1, 'public_ip_address', test_public_ip, 0, 'tenflowmeterskid')
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self.public_ip_address = test_public_ip
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hostname = "google.com"
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response = os.system("ping -c 1 " + hostname)
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#and then check the response...
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if response == 0:
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print hostname, 'is up!'
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self.ping_counter = 0
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else:
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print hostname, 'is down!'
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self.ping_counter += 1
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if self.ping_counter >= 3:
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log.info("Rebooting because no internet detected")
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os.system('reboot')
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def tenflowmeterskid_sync(self, name, value):
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"""Sync all data from the driver."""
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self.force_send = True
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# self.sendtodb("log", "synced", 0)
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return True
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def read_pond_calibration(self, pond_number):
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"""Read all calibration values for a specific pond."""
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last_read_height = -1.0
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cal_values = []
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cal_index = 1
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while last_read_height != 0 and cal_index <=10:
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cal_tag_height = "pond{}CalibrationHeight[{}]".format(pond_number, cal_index)
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cal_tag_volume = "pond{}CalibrationVolume[{}]".format(pond_number, cal_index)
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read_height = read_tag(PLC_IP_ADDRESS, cal_tag_height, plc_type="Micro800")
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#time.sleep(2)
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read_volume = read_tag(PLC_IP_ADDRESS, cal_tag_volume, plc_type="Micro800")
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#time.sleep(2)
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if read_height and read_volume:
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if read_height[0] > 0.0:
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cal_values.append({"height": read_height[0], "volume": read_volume[0]})
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last_read_height = read_height[0]
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cal_index += 1
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if cal_values != CALIBRATION_TABLES[pond_number] or self.force_send:
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calibration_channel = "pond_{}_calibration".format(pond_number)
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calibration_string = json.dumps(cal_values).replace('"', "'")
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self.sendtodbDev(1, calibration_channel, calibration_string, 0, 'tenflowmeterskid')
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CALIBRATION_TABLES[pond_number] = cal_values
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def tenflowmeterskid_deletecalibrationpoint(self, name, value):
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"""Delete a calibration point from a calibration table"""
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# {"pond": int, "point": int}
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value = value.replace("'", '"')
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parsed = json.loads(value)
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try:
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pond_number = int(parsed['pond'])
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point_number = int(parsed['point'])
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write_pond = write_tag(PLC_IP_ADDRESS, "inpPondNumber", pond_number, plc_type="Micro800")
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#time.sleep(2)
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write_point = write_tag(PLC_IP_ADDRESS, "inpDeletePointIndex", point_number, plc_type="Micro800")
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#time.sleep(2)
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if write_pond and write_point:
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write_cmd = write_tag(PLC_IP_ADDRESS, "cmdDeleteCalibrationPoint", 1, plc_type="Micro800")
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#time.sleep(2)
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if write_cmd:
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read_val = read_tag(PLC_IP_ADDRESS, "deleteSuccess", plc_type="Micro800")
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if read_val[0] == 1:
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self.read_pond_calibration(pond_number)
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return True
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return "Wrote everything successfully, but delete didn't succeed (Check pond and point values)."
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return "Didn't write delete command correctly."
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return "Didn't write pond or point correctly."
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except KeyError as e:
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return "Couldn't parse input value: {} -- {}".format(value, e)
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def tenflowmeterskid_addcalibrationpoint(self, name, value):
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"""Add a calibration point to the calibration table"""
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# value = {"pond": int, "height": float, "volume": float}
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value = value.replace("'", '"')
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parsed = json.loads(value)
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try:
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# parse json values, throw an error if one is missing
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pond_number = int(parsed['pond'])
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height = float(parsed['height'])
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volume = float(parsed['volume'])
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# write values to the tags
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write_pond = write_tag(PLC_IP_ADDRESS, "inpPondNumber", pond_number, plc_type="Micro800")
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#time.sleep(2)
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write_height = write_tag(PLC_IP_ADDRESS, "inpPondHeight", height, plc_type="Micro800")
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#time.sleep(2)
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write_volume= write_tag(PLC_IP_ADDRESS, "inpPondVolume", volume, plc_type="Micro800")
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#time.sleep(2)
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if write_pond and write_height and write_volume:
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write_cmd = write_tag(PLC_IP_ADDRESS, "cmdAddCalibrationPoint", 1, plc_type="Micro800")
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#time.sleep(2)
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if write_cmd:
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read_val = read_tag(PLC_IP_ADDRESS, "addSuccess", plc_type="Micro800")
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if read_val[0] == 1:
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self.read_pond_calibration(pond_number)
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return True
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return "Wrote everything successfully, but delete didn't succeed (Check pond and point values)."
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return "Didn't write delete command correctly."
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return "Didn't write pond or point correctly."
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except KeyError as e:
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return "Couldn't parse input value: {} -- {}".format(value, e)
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def tenflowmeterskid_setrawmin(self, name, value):
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new_val = json.loads(str(value).replace("'", '"'))
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tag_n = str(new_val['tag']) # "cmd_Start"
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pond_num = tag_n[9]
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tag_n = 'pond{}scaling.rawmin'.format(pond_num)
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val_n = new_val['val']
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print("Raw Min Value: {}".format(val_n))
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try:
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write_resp = write_tag(str(PLC_IP_ADDRESS), tag_n, val_n, plc_type="Micro800")
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print("Result of tenflowmeterskid_writeplctag(self, {}, {}) = {}".format(name, value, write_resp))
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self.sendtodbDev(1, 'pond_{}_raw_min'.format(pond_num), val_n, 0, 'tenflowmeterskid')
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return True
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except Exception as e:
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print(e)
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return False
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def tenflowmeterskid_setrawmax(self, name, value):
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new_val = json.loads(str(value).replace("'", '"'))
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tag_n = str(new_val['tag']) # "cmd_Start"
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pond_num = tag_n[9]
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tag_n = 'pond{}scaling.rawmax'.format(pond_num)
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val_n = new_val['val']
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print("Raw Max Value: {}".format(val_n))
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try:
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write_resp = write_tag(str(PLC_IP_ADDRESS), tag_n, val_n, plc_type="Micro800")
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print("Result of tenflowmeterskid_writeplctag(self, {}, {}) = {}".format(name, value, write_resp))
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self.sendtodbDev(1, 'pond_{}_raw_max'.format(pond_num), val_n, 0, 'tenflowmeterskid')
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return True
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except Exception as e:
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print(e)
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return False
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def tenflowmeterskid_seteumin(self, name, value):
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new_val = json.loads(str(value).replace("'", '"'))
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tag_n = str(new_val['tag']) # "cmd_Start"
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pond_num = tag_n[9]
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tag_n = 'pond{}scaling.eumin'.format(pond_num)
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val_n = new_val['val']
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print("EU Min Value: {}".format(val_n))
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try:
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write_resp = write_tag(str(PLC_IP_ADDRESS), tag_n, val_n, plc_type="Micro800")
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print("Result of tenflowmeterskid_writeplctag(self, {}, {}) = {}".format(name, value, write_resp))
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self.sendtodbDev(1, 'pond_{}_eu_min'.format(pond_num), val_n, 0, 'tenflowmeterskid')
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return True
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except Exception as e:
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print(e)
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return False
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def tenflowmeterskid_seteumax(self, name, value):
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new_val = json.loads(str(value).replace("'", '"'))
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tag_n = str(new_val['tag']) # "cmd_Start"
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pond_num = tag_n[9]
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tag_n = 'pond{}scaling.eumax'.format(pond_num)
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val_n = new_val['val']
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print("EU Max Value: {}".format(val_n))
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try:
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write_resp = write_tag(str(PLC_IP_ADDRESS), tag_n, val_n, plc_type="Micro800")
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print("Result of tenflowmeterskid_writeplctag(self, {}, {}) = {}".format(name, value, write_resp))
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self.sendtodbDev(1, 'pond_{}_eu_max'.format(pond_num), val_n, 0, 'tenflowmeterskid')
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return True
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except Exception as e:
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print(e)
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return False
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def tenflowmeterskid_setoffset(self, name, value):
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new_val = json.loads(str(value).replace("'", '"'))
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tag_n = str(new_val['tag']) # "cmd_Start"
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pond_num = tag_n[9]
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val_n = new_val['val']
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print("Offset Value: {}".format(val_n))
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try:
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write_resp = write_tag(str(PLC_IP_ADDRESS), tag_n, val_n, plc_type="Micro800")
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print("Result of tenflowmeterskid_writeplctag(self, {}, {}) = {}".format(name, value, write_resp))
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self.sendtodbDev(1, 'pond_{}_offset'.format(pond_num), val_n, 0, 'tenflowmeterskid')
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return True
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except Exception as e:
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print(e)
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return False
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def tenflowmeterskid_writeplctag(self, name, value):
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"""Write a value to the PLC."""
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new_val = json.loads(str(value).replace("'", '"'))
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tag_n = str(new_val['tag']) # "cmd_Start"
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val_n = new_val['val']
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write_res = write_tag(str(PLC_IP_ADDRESS), tag_n, val_n, plc_type="Micro800")
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print("Result of tenflowmeterskid_writeplctag(self, {}, {}) = {}".format(name, value, write_res))
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if write_res is None:
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write_res = "Error writing to PLC..."
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return write_res
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