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  • Committer: Package Import Robot
  • Author(s): Serge Hallyn
  • Date: 2015-06-04 16:06:25 UTC
  • mfrom: (23.2.1 sid)
  • Revision ID: package-import@ubuntu.com-20150604160625-luaye2ktyn264doa
Tags: 1.8.1-2ubuntu1
* New debian release.  Remaining change:
  - Build with -fgnu89-inline for GCC 5 (doko)

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scripts/readserial.py
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# This file may be distributed under the terms of the GNU GPLv3 license.
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# Usage:
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#   tools/readserial.py /dev/ttyUSB0 115200
 
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#   scripts/readserial.py /dev/ttyUSB0 115200
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import sys
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import time
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import select
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import optparse
 
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import sys, os, time, select, optparse
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from python23compat import as_bytes
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            res = select.select([infile, sys.stdin], [], [])
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        except KeyboardInterrupt:
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            sys.stdout.write("\n")
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            break
 
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            return -1
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        if sys.stdin in res[0]:
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            # Got keyboard input - force reset on next serial input
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            sys.stdin.read(1)
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                continue
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        d = infile.read(4096)
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        if not d:
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            break
 
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            return 0
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        datatime = time.time()
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        datatime -= len(d) * byteadjust
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    opts = optparse.OptionParser(usage)
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    opts.add_option("-f", "--file",
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                    action="store_false", dest="serial", default=True,
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                    help="read from file instead of serialdevice")
 
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                    help="read from unix named pipe instead of serialdevice")
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    opts.add_option("-n", "--no-adjust",
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                    action="store_false", dest="adjustbaud", default=True,
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                    help="don't adjust times by serial rate")
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""")
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            sys.exit(1)
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        ser = serial.Serial(serialport, baud, timeout=0)
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    else:
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        # Read from a file
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        ser = open(serialport, 'rb')
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        import fcntl
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        import os
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        fcntl.fcntl(ser, fcntl.F_SETFL
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                    , fcntl.fcntl(ser, fcntl.F_GETFL) | os.O_NONBLOCK)
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    if options.calibrate_read:
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        calibrateserialread(ser, byteadjust)
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    logname = time.strftime("seriallog-%Y%m%d_%H%M%S.log")
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    f = open(logname, 'wb')
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    readserial(ser, f, byteadjust)
 
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    if options.serial:
 
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        readserial(ser, f, byteadjust)
 
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    else:
 
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        # Read from a pipe
 
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        while 1:
 
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            ser = os.fdopen(os.open(serialport, os.O_RDONLY|os.O_NONBLOCK), 'rb')
 
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            res = readserial(ser, f, byteadjust)
 
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            ser.close()
 
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            if res < 0:
 
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                break
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if __name__ == '__main__':
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    main()