49 lines
1.6 KiB
Python
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
|