import os
import serial
import string
import time

def is_hex(char):
    return char in string.hexdigits

def convert_to_binary_string(filename):
    # Open the file in binary mode
    with open(filename, 'rb') as f:
        # Read the contents of the file as bytes
        content = f.read()

    # Convert the bytes to a string of binary digits
    binary_str = ''.join(format(byte, '08b') for byte in content)

    # Write the binary string back to the file
    with open(filename, 'w') as f:
        f.write(binary_str)

ser = serial.Serial('COM3', 115200) # change port to input port from arduino
filename = 'baud115200_0_2_HEX'

start_time = time.time()  # start time of read

with open(filename, 'wb') as file:
    while os.path.getsize(filename) < 12500000:  # change to the desired file size in bits
        if ser.in_waiting > 0:
            data = ser.read(ser.in_waiting)  # reading the data input from COM port
            print(data)
            file.write(data)
            file.flush() # flush data to write

# Convert the contents of the file to a binary string
convert_to_binary_string(filename)

end_time = time.time()  # end time of read
elapsed_time = end_time - start_time 

seconds = int(elapsed_time)
milliseconds = int((elapsed_time % 1) * 100)

new_filename = f"{filename.split('.')[0]}_TimeInSeconds_{seconds}_{milliseconds}.bin" # filename in format filename_seconds_milliseconds as txt with needed time to finish read

os.rename(filename, new_filename)  # change filename to new filename

print(f"time needed in seconds: {elapsed_time:.2f}. New filename: {new_filename}.")  # console write