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def usage():
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def usage():
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    print
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    print
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    print "VibrationTest.py COMPORT MOTORS SPEEDS CHANNELS [-m MINSPEED] [-s NBSAMPLES] [-n NAME] [-d FILENAME] [-v]"
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    print "VibrationTest.py COMPORT MOTORS SPEEDS CHANNELS [-m MINSPEED] [-s NBSAMPLES] [-n NAME] [-d FILENAME] [-v]"
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    print " COMPORT         Serial port to use. e.g. COM4"
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    print " COMPORT         Serial port to use. e.g. COM4"
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    print " MOTORS          Motors to activate during test. Multiple motors can be used at the same time. e.g. 1,2,3,4"
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    print " MOTORS          Motors to activate during test. Multiple motors can be used at the same time. e.g. 1,2,3,4"
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    print " SPEEDS          Indicates at what speeds the motors need to be tested. e.g. 50,80,110,140,170"
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    print " SPEEDS          Indicates at what speeds the motors need to be tested. "
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    print "                   Format 1:  e.g. 50,110,140            Tests at speeds 50, 110 and 140"
- 
 
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    print "                   Format 2:  e.g. 100-200:50            Tests at speeds 100, 150 and 200"
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    print " CHANNELS        Channels to monitor. e.g. 5,6,7"
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    print " CHANNELS        Channels to monitor. e.g. 5,6,7"
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    i = 0
 - 
 
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    for channelName in CHANNEL_NAMES:
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    for i,channelName in enumerate(CHANNEL_NAMES):
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      print "                   Channel %d = %s" % (i, channelName)
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      print "                   Channel %d = %s" % (i, channelName)
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      i += 1
 - 
 
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    print " -m MINSPEED     Minimum speed of the motor(s)"
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    print " -m MINSPEED     Minimum speed of the motor(s)"
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    print " -s NBSAMPLES    Number of samples"
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    print " -s NBSAMPLES    Number of samples"
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    print " -n NAME         Name of the test"
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    print " -n NAME         Name of the test"
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    print " -d FILENAME     File to which the measured values will be logged in"
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    print " -d FILENAME     File to which the measured values will be logged in"
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    print " -v              Verbose"          
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    print " -v              Verbose"          
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    print
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    print
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- 
 
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def exit_usage():
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    usage()
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    sys.exit(2)
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if __name__ == '__main__':
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if __name__ == '__main__':
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    #print sys.argv
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    #print sys.argv
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    if len(sys.argv)<5:
 - 
 
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        usage()
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    if len(sys.argv)<5:
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        sys.exit(2)
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        exit_usage()
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 - 
 
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    parComPort = sys.argv[1]
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    parComPort = sys.argv[1]
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    parMotors = sys.argv[2].split(',')
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    parChannels = sys.argv[4].split(',')
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    par = sys.argv[3]
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    if par.count("-") == 1:
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        # assume from-to:step format
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        par = par.split("-")
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        if len(par) != 2:
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            exit_usage()
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        par[1] = par[1].split(":")
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        if len(par[1]) != 2:
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            exit_usage()
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- 
 
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        parSpeeds = range(int(par[0]),int(par[1][0])+int(par[1][1]),int(par[1][1]))
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    parMotors = sys.argv[2].split(',')
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    parSpeeds = sys.argv[3].split(',')
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    else:
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    parChannels = sys.argv[4].split(',')
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        parSpeeds = par.split(',')
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