from modbus import Modbus, MBError, NoResponseError
import colorama
from colorama import Fore
import time
import os

class SBS(Modbus):
    def __init__(self, tty: str, brate: int, address: int):
        super().__init__(tty, brate, address)

    def read_pack(self, addr: int, cnt: int):
        return self.read_holding_registers(addr, cnt)
        


def main():
    colorama.init(autoreset=True)
    dev = SBS('COM3', 115200, 34)
    dev.MB_DEBUG = False

    while True:
        data = dev.read_pack(0x300, 30)
        print("Output :", Fore.GREEN + ' '.join(str(el) for el in data))
        time.sleep(0.25)

if __name__ == '__main__':
    main()