Class: SerialPort

Inherits:
Object show all
Defined in:
lib/extensions/serialport/serialport.rb

Class Method Summary collapse

Class Method Details

.new(port, *params) ⇒ Object

Creates a serial port object.

port may be a port number or the file name of a defice. The number is portable; so 0 is mapped to “COM1” on Windows, “/dev/ttyS0” on Linux, “/dev/cuaa0” on Mac OS X, etc.

params can be used to configure the serial port. See SerialPort#set_modem_params for details



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# File 'lib/extensions/serialport/serialport.rb', line 15

def SerialPort::new(port, *params)
   sp = create(port)
   begin
      sp.set_modem_params(*params)
   rescue
      sp.close
      raise
   end
   return sp
end

.open(port, *params) ⇒ Object

This behaves like SerialPort#new, except that you can pass a block to which the new serial port object will be passed. In this case the connection is automaticaly closed when the block has finished.



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# File 'lib/extensions/serialport/serialport.rb', line 29

def SerialPort::open(port, *params)
   sp = create(port)
   begin
      sp.set_modem_params(*params)
   rescue
      sp.close
      raise
   end
   if (block_given?)
     begin
        yield sp
     ensure             
        sp.close
     end
     return nil
   end
   return sp
end