#!/usr/bin/python # get lines of text from serial port, save them to a file from __future__ import print_function import serial, io addr = '/dev/ttyUSB0' # serial port to read data from baud = 115200 # baud rate for serial port fname = 'serial.dat' # log file to save data in fmode = 'a' # log file mode = append with serial.Serial(addr,baud) as pt, open(fname,fmode) as outf: spb = io.TextIOWrapper(io.BufferedRWPair(pt,pt,1), encoding='ascii', errors='ignore', newline='\r',line_buffering=True) spb.readline() # throw away first line; likely to start mid-sentence (incomplete) while (1): x = spb.readline() # read one line of text from serial port print (x,end='') # echo line of text on-screen outf.write(x) # write line of text to file outf.flush() # make sure it actually gets written out
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