codewars/hw_libs/modbus.py

import time
from serial import Serial
import colorama
from colorama import Fore, Style 

class Modbus:
    def __init__(self, tty: str, brate: int, address: str):
        self.serial = Serial(port=tty, baudrate=brate, timeout=0.05, parity='N', xonxoff=False)
        self.address = address

    def test_send(self, data: bytes):
        while True:
            self.serial.write(data)
            time.sleep(1)

    def send_recv(self, data, number):
        self.serial.write(data)
        
        # while True:
        #     self.serial.write(data)
        #     recv = self.serial.read_all()
        #     print(recv)
        #     print(recv.decode('utf_8'))
        #     time.sleep(1)

def main():
    colorama.init()
    dev = Modbus('COM22', 115200, 1)
    # dev.test_send(bytes('hello world\r\n', encoding="utf_8"))
    # tx_data = 'hello world\r\n'
    tx_data = 'abc'
    dev.send_recv(bytes(tx_data, encoding="utf_8"), len(tx_data))

if __name__ == '__main__':
    main()