def threadFunc(c):
while 1:
for i in range(100):
bits = DataBank.get_bits(0,1)
temp = os.popen("vcgencmd measure_temp").readline()
now = datetime.now()
str_date = now.strftime("%M%S")
temp = temp.replace("temp=", "").replace("'C\n" , "")
tempint = int(float(temp))
int_date = int(str_date)
temperature.append(tempint)
time_now.append(int_date)
dizi = time_now[i],temperature[i]
time.sleep(1)
#print(dizi, type(dizi))
DataBank.set_words(0, dizi)
if bits[0] == 1:
print("1 geldi babba")
GPIO.output(40, GPIO.HIGH)
else:
print("0 geldi babba")
GPIO.output(40, GPIO.LOW)
time.sleep(0.25)
def escreveModbus(self, contador):
self.server = ModbusServer("127.0.0.1",
int(self.portaTCP),
no_block=True)
self.server.start()
DataBank.set_words(0, [int(contador)])
def write(index: int, value: any):
index = index - 40001 if index > 40000 else index
DataBank.set_words(index, value)
value = value[0] if isinstance(value, list) else value
index += 40001
log('Wrote %s to index %s' % (value, index))
def run_modbus_server(host, port):
print('starting modbus server at %s:%d' % (host, port))
server = ModbusServer(host=host, port=port, no_block=True)
server.start()
DataBank.set_words(0, [0] * 100)
while True:
DataBank.set_words(0x39, [random.randint(1, 10), 0])
DataBank.set_words(0x41, [random.randint(1, 10), 0])
DataBank.set_words(0x4b, [random.randint(1, 10), 0])
DataBank.set_words(0x50, [random.randint(1, 10), 0])
time.sleep(1)
def _setup(self):
cryptogen = SystemRandom()
while True:
bits_value = [
bool(cryptogen.randrange(2)) for indx in range(self.bit_num)
]
words_value = [
cryptogen.randrange(10) for _ in range(self.word_num)
]
try:
DataBank.set_bits(self.bit_adr, bits_value)
DataBank.set_words(self.word_adr, words_value)
except Exception as err:
raise ServerError('Error with writing', err)
def run_server():
server = ModbusServer(host="", port=502, no_block=True)
try:
server.start()
logging.info("Modbus server started")
#Initialize 500 registers from address 0
DataBank.set_words(0, [0x0000] * 500)
while True:
continue
#Stop server if interrupted
except:
server.close()
def main():
""" Main method to run the pyModbusTCP server for the test modbus endpoint.
"""
try:
print('modbus main start')
# Set holding register data to their address.
# Set coils to address % 3 == 0.
for i in range(0x4000):
print('Setting word {} to {}'.format(i, i))
print('Setting bits {} to {}'.format(i, i % 3 == 0))
DataBank.set_words(i, [i])
DataBank.set_bits(i, [i % 3 == 0])
server = ModbusServer(host='', port=1502, no_block=True)
server.start()
print('started modbus server')
global STOP_SERVER
while not STOP_SERVER:
time.sleep(.01)
server.stop()
print('stopped modbus server')
except Exception:
traceback.print_exc()
def set_databank_words():
words = []
words.append(random.randrange(0, 10000))
words.append(random.randrange(220, 240))
words.append(random.randrange(0, 800))
print(words)
DataBank.set_words(0, [words[0]]) # power
DataBank.set_words(1, [words[1]]) # ac voltage
DataBank.set_words(2, [words[2]]) # dc voltage
def lerModbus(self):
zera = DataBank.get_words(1)
if int(zera[0]) == 1:
self.eggCount = 0
zera[0] = 0
DataBank.set_words(1, [0])
"""
Example Modbus Server: run 60 seconds
Reference: https://youtu.be/FYPQgnQE9fk
Author: Zihan
Date: 2021-07-10
"""
from pyModbusTCP.server import ModbusServer, DataBank
import time
try:
server = ModbusServer(host='localhost',
port=1234,
no_block=True)
server.start()
state = 10
t0 = time.time()
while True:
DataBank.set_words(0, [1, 2, 3])
if state != DataBank.get_words(10, 1)[0]:
state = DataBank.get_words(10, 1)[0]
print('state changed to {}'.format(state))
time.sleep(0.05)
if time.time() - t0 > 60:
break
server.stop()
except:
print('Failed to create a server')
print("Setting PLC port to DOWN: ", end="", flush=True)
cmds = [
"config switch physical-port",
"edit port3",
"set status down",
"end"
]
exec_ssh_cmds(cmds)
print(f"[{Fore.GREEN}DONE{Style.RESET_ALL}]")
# Set IP to PLC's IP
print("Setting local IP to PLC IP: ", end="", flush=True)
set_ip(interface, targetaddr, targetsubnet, targetgateway)
print(f"[{Fore.GREEN}DONE{Style.RESET_ALL}]")
print("Waiting for IP to kick in: ", end="", flush=True)
time.sleep(2)
print(f"[{Fore.GREEN}DONE{Style.RESET_ALL}]")
# Run modbus server
print("Starting modbus server: ", end="", flush=True)
server = ModbusServer(host="0.0.0.0", port=502)
DataBank.set_bits(0, [1, 1, 1, 1, 1, 1, 1, 1, 1])
DataBank.set_words(0, [2**15-1, 2**15-1, 2**15-1, 2**15-1,
2**15-1, 2**15-1, 2**15-1, 2**15-1, 2**15-1, 2**15-1])
print(f"[{Fore.GREEN}DONE{Style.RESET_ALL}]")
print("Press Ctrl+C to safely stop server")
server.start()
def alive_word_job():
DataBank.set_words(0, [int(time.time()) % (24*3600) // 10])
Script cliente:
from pyModbusTCP.client import ModbusClient
from time import sleep
SERVER_HOST="192.168.0.12"
SERVER_PORT=502
c=ModbusClient(host=SERVER_HOST,port=SERVER_PORT,auto_open=True)
c.open()
while True:
if c.is_open():
regs=c.read_input_registers(reg_addr=10,reg_nb=1)
print(regs)
sleep(3)
else:
print("can't connect")
sleep(3)
Script servidor:
from pyModbusTCP.server import ModbusServer , DataBank
DataBank.set_words(address=10,word_list=[15])
server=ModbusServer(host="192.168.0.12",port=502,no_block=True)
server.start()
while True:
pass
#server = ModbusServer("158.38.140.10", 502, no_block=True)
server = ModbusServer("10.0.1.92", 502, no_block=True)
print("Start server...")
server.start()
print("Server is online")
state = [0]
while True:
for event in pygame.event.get():
if event.type == pygame.JOYAXISMOTION:
axis_data[event.axis] = round(event.value * 100, 1)
x = axis_data[0]
y = axis_data[1] * -1
elif event.type == pygame.JOYBUTTONDOWN:
button_data[event.button] = True
elif event.type == pygame.JOYBUTTONUP:
button_data[event.button] = False
buzzer = button_data[0] # Square button
Stop = button_data[9] # Options button
#print(button_data)
if buzzer:
DataBank.set_words(4, "1")
else:
DataBank.set_words(4, "0")
if Stop:
DataBank.set_words(3, "1")
else:
DataBank.set_words(3, "0")
DataBank.set_words(0, [x])
DataBank.set_words(1, [y])
sleep(0.2)
def server_wordset(address, wordlist):
DataBank.set_words(address, wordlist)
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# Modbus/TCP server
import socket
import errno
import time
from pyModbusTCP.server import ModbusServer, DataBank
if __name__ == "__main__":
# init server
server = ModbusServer(host='localhost', port=502, no_block=True)
server.start()
# main loop
arr = [1]
a = 1
while True:
a += 1
arr[0] = a
DataBank.set_words(0, arr)
time.sleep(1)
SERVER_PORT = 502
# Create an instance of ModbusServer
server = ModbusServer(SERVER_HOST_IP, SERVER_PORT, no_block=True)
if __name__ == '__main__':
try:
print("Starting server...")
server.start()
print("Server online")
# Server enable
DataBank.set_bits(9901, [1])
# Sample Rate (Hz)
DataBank.set_words(39901, [2])
# Fake sensor configuration (LANE 00)
# Lane_Enable
DataBank.set_bits(0, [1])
# Sensor value
DataBank.set_words(30001, [0])
# Raw voltage value (0.1 mV)
DataBank.set_words(30002, [0])
# Sensor type
DataBank.set_words(40001, [0])
# Generate random data
while True:
DataBank.set_words(
30002, [DataBank.get_words(30002)[0] + random.randint(-6, 8)])
#!/bin/python
from pyModbusTCP.server import ModbusServer, DataBank
from time import sleep
from random import uniform
# Create an instance of ModbusServer
server = ModbusServer("127.0.0.1", 502, no_block=True)
try:
print("Start server...")
server.start()
print("Server is online")
state = [0]
while True:
DataBank.set_words(0, [int(uniform(0, 100))])
if state != DataBank.get_words(1):
state = DataBank.get_words(1)
print("Value of Register 1 has changed to " + str(state))
sleep(0.5)
except:
print("Shutdown server ...")
server.stop()
print("Server is offline")
def alive_word_job():
DataBank.set_words(0, [int(time.time()) % (24 * 3600) // 10])