update usage for flow control switch
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@ -31,8 +31,9 @@ if($filename eq '') {
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print " -s optional: secondary binary file to send\n";
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print " -t default: /dev/ttyUSB0\n";
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print " -b default: 115200\n";
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print " anything on the command line is sent serial device\n";
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print " after all of the files have been sent\n";
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print " -r [none|rts] flow control default: rts\n";
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print " anything on the command line is sent\n";
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print " after all of the files.\n";
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exit;
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}
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