USB-RS232 with python

python

#file: pyHM120624

#...

# 2/11/2025 testing loop back with two serial usb port

# result, program ready alert to send and recive data

import serial

import threading

def read_from_port(ser):

while True:

reading = ser.readline().decode()

if reading:

print(f'\nrx: ,{reading}\n')

if __name__ == '__main__':

ser = serial.Serial(port='COM4', baudrate=115200, timeout=1) # Replace with your port and baud rate

thread = threading.Thread(target=read_from_port, args=(ser,))

thread.daemon = True # Make thread a daemon so it exits when main thread exits

thread.start()

# Do other things in the main thread

while True:

# Example: Send data to the serial port

data_to_send = input("Enter data to send: ")

ser.write(data_to_send.encode())

# File pyHMUSB.py

# Date 8/21/2024

" testing for serial port"

import keyboard

import serial

def XHomeAxis():

baudrate = 115200

serialPort = serial.Serial(port='COM8', baudrate=baudrate, parity = serial.PARITY_NONE,bytesize=8, timeout=1, stopbits=serial.STOPBITS_ONE)

serialString = ""

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

serialPort.close()

# Home X Axis

#serialPort.write(bytearray('G21G91G1X1F100\r\n','ascii'))

#serialPort.write(bytearray('G90 G21\r\n','ascii'))

#while True:

# try:

# message = serialPort.read()

# print(message)

# if keyboard.is_pressed('q'):

# print("quit")

# break

#except KeyboardInterrupt:

# break

#serialPort.close()

#File pyHMTKinter-1.py

#import customtkinter

import tkinter as tk

#from pyHMModule1 import sum

from pyHMUSB import XHomeAxis

# Top level window

frame = tk.Tk()

frame.title("TextBox Input")

frame.geometry('400x200')

# Function for getting Input

# from textbox and printing it

# at label widget

def printInput():

inp = inputtxt.get(1.0, "end-1c")

lbl.config(text="Provided Input: " + inp)

# print next

def printNext():

inp = inputtxt.get(1.0, "end-1c")

lbl.config(text="Provided Input: " + inp)

# TextBox Creation

inputtxt = tk.Text(frame,

height=1,

width=20)

inputtxt.pack()

# Button Creation

printButton = tk.Button(frame,text="Print",command=printInput)

printButton.pack()

# next button

printButton_2 = tk.Button(frame,text="Print next",command=XHomeAxis)

printButton_2.place(relx=0.7,rely=0.3)

#printButton_2.pack()

# Label Creation

lbl = tk.Label(frame, text="")

lbl.pack()

frame.mainloop()

# File pyHMUSB.py

# Date 8/21/2024

# loc. C:\Users\admin\PycharmProjects\pyHMUSB_1

import keyboard

import serial

baudrate = 115200

serialPort = serial.Serial(port='COM3', baudrate=baudrate, parity = serial.PARITY_NONE,

bytesize=8, timeout=1, stopbits=serial.STOPBITS_ONE)

serialString = ""

# Home X Axis

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

#serialPort.write(bytearray('G21G91G1X1F100\r\n','ascii'))

#serialPort.write(bytearray('G90 G21\r\n','ascii'))

while True:

try:

message = serialPort.read()

print(message)

if keyboard.is_pressed('q'):

print("quit")

break

except KeyboardInterrupt:

break

serialPort.close()