diff --git a/pi_numbers_seperated_USB.py b/pi_numbers_seperated_USB.py new file mode 100644 index 0000000..5c903ec --- /dev/null +++ b/pi_numbers_seperated_USB.py @@ -0,0 +1,71 @@ +import os +import serial +import time + +ser = serial.Serial('/dev/ttyACM0', 115200) # change port to input port from arduino + +# define the number of numbers and bits per number to generate +num_numbers = 5 +bits_per_number = 10001 + +# calculate the total file size in bits +filesize = num_numbers * bits_per_number + +# define the filename +filename = f'{num_numbers}numbers_{bits_per_number}bits' + +start_time = time.time() # start time of read + +with open(filename + '.bin', 'wb') as file: + for i in range(num_numbers): + # write the separator between numbers except for the last one + if i != num_numbers - 1: + file.write(b'//' + b'\n') + for j in range(bits_per_number // 8): + # read one byte from the serial port + byte = ser.read(1) + file.write(byte) + +end_time = time.time() # end time of read +elapsed_time = end_time - start_time + +seconds = int(elapsed_time) +milliseconds = int((elapsed_time % 1) * 1000) + +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 with zero padding +hex_str = ''.join(format(byte, '02x') for byte in content).zfill(num_numbers * (bits_per_number // 4)) + +# Write the hex string to the file with separators and newlines +with open(filename + '.txt', 'w') as f: + for i in range(num_numbers): + hex_number = hex_str[i * (bits_per_number // 4) : (i+1) * (bits_per_number // 4)] + # write the separator between numbers except for the last one + if i != num_numbers - 1: + hex_number += '//' + f.write(hex_number + '\n') + +print(f"time needed in seconds: {elapsed_time:.2f}. New filename: {new_filename}.") # console write + +# 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 binary digits +binary_str = ''.join(format(byte, '08b') for byte in content) + +# Write the binary string back to the file with separators +with open(filename + '_binary.txt', 'w') as f: + for i in range(0, len(binary_str), bits_per_number): + binary_number = binary_str[i:i+bits_per_number] + f.write(binary_number + '\n') +