Module: Serial::Posix

Defined in:
lib/ffi-serial/bsd.rb,
lib/ffi-serial/linux.rb,
lib/ffi-serial/posix.rb,
lib/ffi-serial/darwin.rb

Overview

:nodoc:

Instance Method Summary collapse

Instance Method Details

#baud ⇒ Object

:nodoc:



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# File 'lib/ffi-serial/posix.rb', line 93

def baud #:nodoc:
  LIBC::CONSTANTS['BAUD_'].fetch(LIBC.cfgetispeed(LIBC.tcgetattr(self)))
end

#data_bits ⇒ Object

:nodoc:



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# File 'lib/ffi-serial/posix.rb', line 97

def data_bits #:nodoc:
  LIBC.tcgetattr(self).data_bits
end

#inspect ⇒ Object

:nodoc:



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# File 'lib/ffi-serial/posix.rb', line 113

def inspect #:nodoc:
  self.to_s
end

#parity ⇒ Object

:nodoc:



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# File 'lib/ffi-serial/posix.rb', line 105

def parity #:nodoc:
  LIBC.tcgetattr(self).parity
end

#read_timeout ⇒ Object

:nodoc:



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# File 'lib/ffi-serial/posix.rb', line 65

def read_timeout #:nodoc:
  termios = LIBC.tcgetattr(self)
  return 0 unless (0 == termios[:cc_c][LIBC::CONSTANTS['VMIN']])
  vtime = termios[:cc_c][LIBC::CONSTANTS['VTIME']]
  return -1 if (0 == vtime)
  (vtime.to_f / 10.0)
end

#read_timeout=(val) ⇒ Object

:nodoc:



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# File 'lib/ffi-serial/posix.rb', line 73

def read_timeout=(val) #:nodoc:
  val = Float(val)
  termios = LIBC.tcgetattr(self)
  if (0 > val)
    termios[:cc_c][LIBC::CONSTANTS['VMIN']] = 0
    termios[:cc_c][LIBC::CONSTANTS['VTIME']] = 0
    val = -1
  elsif (0 == val)
    termios[:cc_c][LIBC::CONSTANTS['VMIN']] = 1
    termios[:cc_c][LIBC::CONSTANTS['VTIME']] = 0
    val = 0
  else
    val = (val * 10.0).to_i
    termios[:cc_c][LIBC::CONSTANTS['VMIN']] = 0
    termios[:cc_c][LIBC::CONSTANTS['VTIME']] = val
    val = (val.to_f / 10.0)
  end
  LIBC.tcsetattr(self, termios); val
end

#stop_bits ⇒ Object

:nodoc:



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# File 'lib/ffi-serial/posix.rb', line 101

def stop_bits #:nodoc:
  LIBC.tcgetattr(self).stop_bits
end

#to_s ⇒ Object

:nodoc:



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# File 'lib/ffi-serial/posix.rb', line 109

def to_s #:nodoc:
  ['#<Serial:', @__serial__dev__, '>'].join.to_s
end