Class: XBee::RFModule

Inherits:
Object
  • Object
show all
Includes:
XBee, Config
Defined in:
lib/ruby_xbee.rb

Overview

This is it, the base class where it all starts. Command mode or API mode, version 1 or version 2, all XBees descend from this class.

Constant Summary collapse

VERSION = 
"2.1"

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from XBee

#getresults, new

Constructor Details

#initialize(xbee_usbdev_str = "/dev/tty.usbserial-A7004nmf", uart_config = XBeeUARTConfig.new, operation_mode = :AT, transmission_mode = :SYNC) ⇒ RFModule

This is the way we instantiate XBee modules now, via this factory method. It will ultimately autodetect what flavor of XBee module we’re using and return the most appropriate subclass to control that module.



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# File 'lib/ruby_xbee.rb', line 84

def initialize(xbee_usbdev_str = "/dev/tty.usbserial-A7004nmf", uart_config = XBeeUARTConfig.new, operation_mode = :AT, transmission_mode = :SYNC)
  unless uart_config.kind_of?(XBeeUARTConfig)
    raise "uart_config must be an instance of XBeeUARTConfig for this to work"
  end
  unless operation_mode == :AT || operation_mode == :API
    raise "XBee operation_mode must be either AT or API"
  end
  unless transmission_mode == :SYNC || transmission_mode == :ASYNC
    raise "XBee transmission_mode must be either SYNC (Synchronous) or ASYNC (Asynchronous)"
  end
  self.xbee_uart_config = uart_config
  @xbee_serialport = SerialPort.new( xbee_usbdev_str, uart_config.baud, uart_config.data_bits, uart_config.stop_bits, uart_config.parity )
  @xbee_serialport.read_timeout = self.read_timeout(:short)
  @guard_time = GuardTime.new
  @command_mode_timeout= CommandModeTimeout.new
  @command_character = CommandCharacter.new
  @node_discover_timeout = NodeDiscoverTimeout.new
  @node_identifier = NodeIdentifier.new
  @operation_mode = operation_mode
  @transmission_mode = transmission_mode
end

Instance Attribute Details

#command_character ⇒ Object

Returns the value of attribute command_character.



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# File 'lib/ruby_xbee.rb', line 74

def command_character
  @command_character
end

#command_mode_timeout ⇒ Object

Returns the value of attribute command_mode_timeout.



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# File 'lib/ruby_xbee.rb', line 74

def command_mode_timeout
  @command_mode_timeout
end

#firmware_rev ⇒ Object (readonly)

Returns the value of attribute firmware_rev.



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# File 'lib/ruby_xbee.rb', line 75

def firmware_rev
  @firmware_rev
end

#guard_time ⇒ Object

Returns the value of attribute guard_time.



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# File 'lib/ruby_xbee.rb', line 74

def guard_time
  @guard_time
end

#hardware_rev ⇒ Object (readonly)

Returns the value of attribute hardware_rev.



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# File 'lib/ruby_xbee.rb', line 75

def hardware_rev
  @hardware_rev
end

#node_discover_timeout ⇒ Object

Returns the value of attribute node_discover_timeout.



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# File 'lib/ruby_xbee.rb', line 74

def node_discover_timeout
  @node_discover_timeout
end

#node_identifier ⇒ Object

Returns the value of attribute node_identifier.



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# File 'lib/ruby_xbee.rb', line 74

def node_identifier
  @node_identifier
end

#operation_mode ⇒ Object

Returns the value of attribute operation_mode.



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# File 'lib/ruby_xbee.rb', line 74

def operation_mode
  @operation_mode
end

#serial_number ⇒ Object (readonly)

Returns the value of attribute serial_number.



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# File 'lib/ruby_xbee.rb', line 75

def serial_number
  @serial_number
end

#transmission_mode ⇒ Object

Returns the value of attribute transmission_mode.



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# File 'lib/ruby_xbee.rb', line 74

def transmission_mode
  @transmission_mode
end

#xbee_serialport ⇒ Object

Returns the value of attribute xbee_serialport.



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# File 'lib/ruby_xbee.rb', line 74

def xbee_serialport
  @xbee_serialport
end

#xbee_uart_config ⇒ Object

Returns the value of attribute xbee_uart_config.



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# File 'lib/ruby_xbee.rb', line 74

def xbee_uart_config
  @xbee_uart_config
end

Instance Method Details

#in_command_mode ⇒ Object 



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# File 'lib/ruby_xbee.rb', line 106

def in_command_mode
  sleep self.guard_time.in_seconds
  @xbee_serialport.write(self.command_character.value * 3)
  sleep self.guard_time.in_seconds
  @xbee_serialport.read(3)
  # actually do some work now ...
  yield if block_given?
  # Exit command mode
  @xbee_serialport.write("ATCN\r")
  @xbee_serialport.read(3)
end

#read_timeout(type = :short) ⇒ Object

XBee response times vary based on both hardware and firmware versions. These constants may need to be adjusted for your devices, but these will work fine for most cases. The unit of time for a timeout constant is ms



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# File 'lib/ruby_xbee.rb', line 122

def read_timeout(type = :short)
  case type
    when :short
      1200
    when :long 
      3000
    else 3000
  end
end

#version ⇒ Object 



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# File 'lib/ruby_xbee.rb', line 77

def version
  VERSION
end