Class: McProtocolE::Frame3e::DeviceRange

Inherits:
Object
  • Object
show all
Extended by:
Forwardable
Defined in:
lib/mc_protocol_e/frame_3e/device_range.rb

Overview

This class shows a device range.

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(device:, device_num:, device_points:) ⇒ DeviceRange

Constructor.

Parameters:

  • device (Device) —

    device

  • device_num (Integer) —

    first device number in range

  • device_points (Integer) —

    number in range



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# File 'lib/mc_protocol_e/frame_3e/device_range.rb', line 18

def initialize(device:, device_num:, device_points:)
  @device = device
  @device_num = device_num
  @device_points = device_points
end

Class Method Details

.data_register(device_num:, device_points:) ⇒ Object

Returns device range of data register.

Parameters:

  • device_num (Integer) —

    first device number in range

  • device_points (Integer) —

    number in range



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# File 'lib/mc_protocol_e/frame_3e/device_range.rb', line 41

def self.data_register(device_num:, device_points:)
  new(device: Device.data_register, device_num: device_num, device_points: device_points)
end

.internal_relay(device_num:, device_points:) ⇒ Object

Returns device range of internal relay.

Parameters:

  • device_num (Integer) —

    first device number in range

  • device_points (Integer) —

    number in range



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# File 'lib/mc_protocol_e/frame_3e/device_range.rb', line 27

def self.internal_relay(device_num:, device_points:)
  new(device: Device.internal_relay, device_num: device_num, device_points: device_points)
end

.link_register(device_num:, device_points:) ⇒ Object

Returns device range of link register.

Parameters:

  • device_num (Integer) —

    first device number in range

  • device_points (Integer) —

    number in range



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# File 'lib/mc_protocol_e/frame_3e/device_range.rb', line 48

def self.link_register(device_num:, device_points:)
  new(device: Device.link_register, device_num: device_num, device_points: device_points)
end

.link_relay(device_num:, device_points:) ⇒ Object

Returns device range of link relay.

Parameters:

  • device_num (Integer) —

    first device number in range

  • device_points (Integer) —

    number in range



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# File 'lib/mc_protocol_e/frame_3e/device_range.rb', line 34

def self.link_relay(device_num:, device_points:)
  new(device: Device.link_relay, device_num: device_num, device_points: device_points)
end

Instance Method Details

#size ⇒ Integer

Returns range size.

Returns:

  • (Integer) —

    range size



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# File 'lib/mc_protocol_e/frame_3e/device_range.rb', line 54

def size
  device_points
end

#to_b ⇒ String

Returns binary string.

Returns:

  • (String) —

    binary string



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# File 'lib/mc_protocol_e/frame_3e/device_range.rb', line 60

def to_b
  [[device_num].pack("V")[0..2], device.code, [device_points].pack("v")].join
end