import os
import serial
import time

ser = serial.Serial('/dev/ttyACM0', 115200) # change port to input port from arduino
filename = 'BSI_Testdaten'

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

with open(filename + '.bin', 'wb') as file:
    while os.path.getsize(filename + '.bin') < 128000000:  # change to the desired file size in bits/8 (1,000,000 Bits = 125000)
        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

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}_TimeInSeconds_{seconds}_{milliseconds}.bin" # filename in format filename_seconds_milliseconds as txt with needed time to finish read

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

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

# Convert the bytes to a string of hexadecimal digits
hex_str = content.hex()

# 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(new_filename.split('.')[0] + '_asTXT.txt', 'w') as f:
    #f.write(binary_str)

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