119 lines
4.0 KiB
Python
119 lines
4.0 KiB
Python
"""Driver for rigpump"""
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import threading
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from device_base import deviceBase
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from Channel import Channel, write_tag, BoolArrayChannels, read_tag
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from Maps import rigpump_map as maps
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from random import randint
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import json
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import time
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_ = None
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try:
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with open("persist.json", 'r') as persist_file:
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persist = json.load(persist_file)
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except Exception:
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persist = {}
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plc_ip_address = "192.168.1.10"
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def reverse_map(value, map_):
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"""Perform the opposite of mapping to an object."""
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for x in map_:
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if map_[x] == value:
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return x
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return None
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channels = []
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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, 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, mcu=mcu, companyId=companyId, offset=offset, mqtt=mqtt, Nodes=Nodes)
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self.daemon = True
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self.version = "3"
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self.finished = threading.Event()
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self.forceSend = False
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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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global persist
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watchdog = self.rigpump_watchdog()
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wait_sec = 60
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for i in range(0, wait_sec):
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print("rigpump driver will start in {} seconds".format(wait_sec - i))
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time.sleep(1)
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print("BOOM! Starting rigpump driver...")
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# after its booted up assuming that M1 is now reading modbus data
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# we can replace the reference made to this device name to the M1 driver with this
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# driver. The 01 in the 0199 below is the device number you referenced in the modbus wizard
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self.nodes["rigpump_0199"] = self
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send_loops = 0
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watchdog_loops = 0
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watchdog_check_after = 5000
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while True:
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if self.forceSend:
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print "FORCE SEND: TRUE"
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# for c in channels:
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# if c.read(self.forceSend):
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# self.sendtodb(c.mesh_name, c.value, 0)
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# print("rigpump driver still alive...")
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if self.forceSend:
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if send_loops > 2:
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print("Turning off forceSend")
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self.forceSend = False
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send_loops = 0
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else:
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send_loops += 1
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watchdog_loops += 1
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if (watchdog_loops >= watchdog_check_after):
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test_watchdog = self.rigpump_watchdog()
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if not test_watchdog == watchdog:
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self.sendtodb('watchdog', test_watchdog, 0)
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watchdog = test_watchdog
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watchdog_loops = 0
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def rigpump_watchdog(self):
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"""Write a random integer to the PLC and then 1 seconds later check that it has been decremented by 1."""
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randval = randint(0, 32767)
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write_tag(str(plc_ip_address), 'watchdog_INT', randval)
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time.sleep(1)
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watchdog_val = read_tag(str(plc_ip_address), 'watchdog_INT')
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return (randval - 1) == watchdog_val[0]
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def rigpump_sync(self, name, value):
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"""Sync all data from the driver."""
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self.forceSend = True
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# self.sendtodb("log", "synced", 0)
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return True
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def rigpump_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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w = write_tag(str(plc_ip_address), tag_n, val_n)
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print("Result of rigpump_writeplctag(self, {}, {}) = {}".format(name, value, w))
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if w is None:
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w = "Error writing to PLC..."
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return w
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