Class: SigmaKoki

Inherits:
Object
  • Object
show all
Defined in:
lib/rs232-sigmakoki.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(address, params = {}) ⇒ SigmaKoki

Returns a new instance of SigmaKoki.



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# File 'lib/rs232-sigmakoki.rb', line 90

def initialize address, params = {}
  @comm = RS232.new address, params
end

Instance Attribute Details

#comm ⇒ Object (readonly)

Returns the value of attribute comm.



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# File 'lib/rs232-sigmakoki.rb', line 94

def comm
  @comm
end

Instance Method Details

#amove(*step_args) ⇒ Object

main command to rotate the plates (non-blocking) step1 and step2 are the final angular position (absolute move)



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# File 'lib/rs232-sigmakoki.rb', line 60

def amove *step_args
  move *self.position.map { |x|
    y = step_args.shift
    (y.is_a? Fixnum) ? y-x : 0
  }
end

#amove!(*step_args) ⇒ Object

main command to rotate the plates (blocking) step1 and step2 are the final angular position (absolute move)



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# File 'lib/rs232-sigmakoki.rb', line 69

def amove! *step_args
  amove *step_args
  wait
end

#busy? ⇒ Boolean

checks if the device is currently bury rotating

Returns:

  • (Boolean) 


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# File 'lib/rs232-sigmakoki.rb', line 26

def busy?
  'B' == self.busy[0] #gsub(' ','').split(',')[-1]
end

#home! ⇒ Object

pulls back the rotating plates to mechanical origin (blocking)



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# File 'lib/rs232-sigmakoki.rb', line 75

def home!
  home
  wait
end

#jog(*args) ⇒ Object

initiates a continuous and slow rotation



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# File 'lib/rs232-sigmakoki.rb', line 36

def jog *args
  @comm.write "J:W%s%s" % args[0..1]
  go
end

#move(step1, step2 = 0) ⇒ Object

main command to rotate the plates (non-blocking) step1 and step2 are the number of angle units to move (relative move)



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# File 'lib/rs232-sigmakoki.rb', line 43

def move step1, step2 = 0
  step1 = 0 if step1.nil?
  s1, s2 = step1 > 0 ? "+" : "-", step2 > 0 ? "+" : "-"
  command = "M:W%sP%i%sP%i" % [s1,step1.abs,s2,step2.abs]
  @comm.write command
  go
end

#move!(step1, step2 = 0) ⇒ Object

main command to rotate the plates (blocking) step1 and step2 are the number of angle units to move (relative move)



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# File 'lib/rs232-sigmakoki.rb', line 53

def move! step1, step2 = 0
  move step1, step2
  wait
end

#position ⇒ Object

gets current position of plates (length 2 array)



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# File 'lib/rs232-sigmakoki.rb', line 81

def position
  self.status.gsub(' ','').split(',').map{|x| x.to_i}[0..1]
end

#position_of(chan) ⇒ Object

gets current position of plate 1 or 2



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# File 'lib/rs232-sigmakoki.rb', line 86

def position_of chan
  self.status.gsub(' ','').split(',')[chan-1].to_i
end

#ready? ⇒ Boolean

checks if the device is idle

Returns:

  • (Boolean) 


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# File 'lib/rs232-sigmakoki.rb', line 21

def ready?
  'R' == self.busy[0] #gsub(' ','').split(',')[-1]
end

#wait ⇒ Object

blocking wait until the device is free to execute command again



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# File 'lib/rs232-sigmakoki.rb', line 31

def wait
  sleep 0.2 while busy?
end