Serial Port

C:\Users\hmill>python -m pip install pyserial

Defaulting to user installation because normal site-packages is not writeable

Requirement already satisfied: pyserial in c:\users\hmill\appdata\roaming\python\python312\site-packages (3.5)

# pyThread111924

# Nov 21,2024 timer function not working

# Time : 2:10pm

#11/9/2024

#PyQt5HMUSB071724.py

# oct 12, 2024

#C:\Users\admin\PycharmProjects\pyHMUSB_1

from PyQt5 import QtWidgets

from PyQt5.QtWidgets import QApplication,QMainWindow,QMessageBox,QDialog

from PyQt5.uic import loadUi

#from PyQt5.QtCore import QTimer

import sys

#from threading import Thread

import threading

import datetime

from threading import Event

import time

from time import sleep

from threading import Thread

import queue

#from pyHMUSB import add2,OpenPort,PortClose

#from myModuleSerial import add

#import pyHMUSB

from pyHMUSB import *

# seriasl Port

import keyboard

import serial

# initilizee

q =queue.Queue() # fifo

message ="hello"

q.put(message)

# Global variable for RS232 read

Gloabal_RS232Read =0

#../

#

event = Event()

timerEnable =1

class MainUIxy(QMainWindow):

  def __init__(self):

      super(MainUIxy, self).__init__()

      loadUi("myTestQt5.ui", self)  # Load the UI file

      self.pushButtonXHome.clicked.connect(XHomeAxis)

      self.XJOG_PB.clicked.connect(XJOGAxis)

      #self.StartTimerPB.connect(StatTimerCallBack)

      self.ThreadON_PB.clicked.connect(Thread_ON)

      self.ThreadOFF_PB.clicked.connect(Thread_OFF)

      self.PBStartTimer.clicked.connect(StatTimerCallBack)

baudrate = 115200

print(add2(7,4))

print(baudrate)

serialPort = serial.Serial(port='COM3', baudrate=baudrate, parity=serial.PARITY_NONE, bytesize=8, timeout=1,

                         stopbits=serial.STOPBITS_ONE)

def Thread_ON():

   print("thread ON")

  #OpenSerialPort()

   t1 = Thread(target=myThreadRS232Function, args=(event,q))

   t1.start()

   print("thread Ok")

def Thread_OFF():

  print("thread OFF")

  print(q.get())

  print(q.get())

  timer.join()

  serialPort.close()

  # stop the worker thread

  print('Main stopping thread')

  event.set()

  # wait for the new thread to finish

  t1.thread.join()

  # Wait for the timer to finish

  timer.join()

def StatTimerCallBack():

   #timerEnable = 7

   #print("set timer start")

   #Thread(target=myThreadRS232Function, args=(event,q))

   # Create a timer that triggers after 5 seconds

   #timer = threading.Timer(1.0, my_function)

   #timer.start()

   print("CallBackTimerF")

   while len(q.get()) > 0:

       # length = len(q.get())

       # if (length == 0):

       # break

       print(f"my_function:  {q.get()} output")

       # print("data Event triggered!")

       # print(q.get())

       # message = q.get()

       # print(message['sr']['posx'])

# define myThreadRS232Function

def myThreadRS232Function(event,q):

  global Gloabal_RS232Read

  while True:

      Gloabal_RS232Read += 1

      #print(f'{Gloabal_RS232Read}')

      message = serialPort.readline()

      length = len(message)

      if (length > 0):

       print(f"myThread:  {message} ok")

       q.put(message)

       #print(message['sr']['posx'])

      #sleep(1)

      if event.is_set():

          break

def my_function():

   print("my_function-Timer event")

   timer = threading.Timer(3.0, my_function)

   timer.start()

def callback_function():

   length = len(q.get())

   if (length > 0):

       print("data Event triggered!")

       print(q.get())

       message =q.get()

       message['sr']['posx']

def XHomeAxis():

  serialString = ""

  serialPort.write(bytearray('{"gc":"G28.2 X0"}''\r\n','ascii'))

  print("test")

  print(Gloabal_RS232Read)

  while True:

      try:

          message = serialPort.readline()

          print(message)

          if keyboard.is_pressed('q'):

              print("quit")

          break

      except KeyboardInterrupt:

          break

XPosition =0.300

def XJOGAxis(): #F6

              serialString = ""

              global XPosition

              XPosIncrement = 0.200

              #round(XPosition, 2)

              serialPort.write(bytearray('{"gc":"G1 F150 X'+str(round(XPosition,2)) +' Y0.000 A0.000"}''\r\n', 'ascii'))

              #serialPort.write(bytearray('{"gc":"G1 F150 X0.400 Y0.000 A0.000"}''\r\n', 'ascii'))

              #serialPort.write(bytearray('{"gc":"G28.2 X0"}''\r\n', 'ascii'))

              XPosition = XPosition +XPosIncrement

              print("XJOG-test")

              while True:

                  try:

                      message = serialPort.readline()

                      print(message)

                      if keyboard.is_pressed('q'):

                          print("quit")

                      break

                  except KeyboardInterrupt:

                      break

if __name__ == "__main__":

  app = QApplication(sys.argv)

  ui = MainUIxy()

  ui.show()

  app.exec_()

print("done-1")

serialPort.close()

# wait for the new thread to finish

t1.thread.join()

# Wait for the timer to finish

timer.join()

#REFERENCE

#https://superfastpython.com/stop-a-thread-in-python/

References

\Users\admin\PycharmProjects\pyHMUSB_1

../

./

./

python nested dicionary find pairs

https://www.geeksforgeeks.org/python-nested-dictionary/

../

## declaring variables

name = "Datacamp"

type_of_company = "Educational"

## enclose your variable within the {} to display it's value in the output

print(f"{name} is an {type_of_company} company.")

../

https://discuss.python.org/t/what-actually-while-true-statement-mean-can-someone-pull-me-out-this/15382/3../

# PYReadSerialPort

# date 11/11/2024

import sys

import time

import serial

ser = serial.Serial("COM5", 9600)

try:

   ser.write(bytearray('{"gc":"G28.2 X0"}''\r\n','ascii'))

      #x = ser.readline()

      #print(x)

except:

   print ("error")

#   exit()

if(ser.is_open):

   try:

       while(True):

           reading = ser.readline()

           print(reading)

           time.sleep(0.25)

   except Exception:

       print("exception serial read")

else:

   print("notOpne")

print("done")

#REFERENCE

#serialPort = serial.Serial(port='COM5', baudrate=baudrate, parity=serial.PARITY_NONE, bytesize=8, timeout=1,

 #                             stopbits=serial.STOPBITS_ONE)

pip install pyserial

sudo apt-get install pyserial ; rasperry pi

C:\Users\hmill>pip install pyserial

Defaulting to user installation because normal site-packages is not writeable

Collecting pyserial

  Downloading pyserial-3.5-py2.py3-none-any.whl.metadata (1.6 kB)

Downloading pyserial-3.5-py2.py3-none-any.whl (90 kB)

Installing collected packages: pyserial

  WARNING: The scripts pyserial-miniterm.exe and pyserial-ports.exe are installed in 'C:\Users\hmill\AppData\Roaming\Python\Python312\Scripts' which is not on PATH.

  Consider adding this directory to PATH or, if you prefer to suppress this warning, use --no-warn-script-location.

Successfully installed pyserial-3.5

C:\Users\hmill>python -m pip install pyserial

Defaulting to user installation because normal site-packages is not writeable

Requirement already satisfied: pyserial in c:\users\hmill\appdata\roaming\python\python312\site-packages (3.5)

[notice] A new release of pip is available: 24.2 -> 24.3.1

[notice] To update, run: python.exe -m pip install --upgrade pip

# PYReadSerialPort

# date 11/11/2024

import sys

# seriasl Port

#import keyboard

import serial

#serialPort = serial.Serial(port='COM5', baudrate=baudrate, parity=serial.PARITY_NONE, bytesize=8, timeout=1,

 #                             stopbits=serial.STOPBITS_ONE)

try:

   ser = serial.Serial("COM5", 9600)

   print("port Open")

except:

   print ("error")

   exit()

print("done")