#!/usr/bin/env python3
import threading
import time

import serial

PORT = "/dev/ttyACM0"
BAUDRATE = 115200


def read_from_port(ser):
    while True:
        if ser.in_waiting > 0:
            data = ser.read(ser.in_waiting)
            print(f"Received: {data.decode('utf-8', errors='ignore')}")


try:
    ser = serial.Serial(PORT, BAUDRATE, timeout=1)
    print(f"Connected to {PORT}")

    # Запускаем чтение в фоне
    thread = threading.Thread(target=read_from_port, args=(ser,), daemon=True)
    thread.start()

    # Пишем данные
    counter = 0
    while True:
        msg = f"Ping {counter}\n"
        ser.write(msg.encode("utf-8"))
        print(f"Sent: {msg.strip()}")
        counter += 1
        time.sleep(1)

except serial.SerialException as e:
    print(f"Error: {e}")
except KeyboardInterrupt:
    print("\nExiting...")
    if "ser" in locals() and ser.is_open:
        ser.close()