GMTROM/Archiv/I2C_Arduino_Pi_Communicatio...

49 lines
1.6 KiB
Python

import os
import serial
import time
from smbus import SMBus
addr = 0x8
bus = SMBus(1)
#ser = serial.Serial('/dev/ttyACM0', 115200) # change port to input port from arduino
filename = 'i2C_Arduino_test'
start_time = time.time() # start time of read
with open(filename + '.bin', 'wb') as file:
while os.path.getsize(filename + '.bin') < 1000: # change to the desired file size in bits/8 (1,000,000 Bits = 125000)
#if ser.in_waiting > 0:
data = bus.read_byte(addr)
#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