Module: SiemensDimensionExlModule

Includes:
LabInterface
Included in:
SiemensDimensionExlServer
Defined in:
lib/ruby_astm/custom/siemens_dimension_exl_module.rb

Constant Summary collapse

FS = 
"\x1C"

Constants included from LabInterface

LabInterface::ACK, LabInterface::CR, LabInterface::ENQ, LabInterface::EOT, LabInterface::ETX, LabInterface::LF, LabInterface::STX

Instance Attribute Summary

Attributes included from LabInterface

#data_buffer, #data_bytes, #ethernet_connections, #ethernet_server, #headers, #mapping, #mid_frame_end_detected, #respond_to_queries, #serial_baud, #serial_connections, #serial_parity, #serial_port, #server_ip, #server_port, #test_data_bytes, #usb_baud, #usb_parity, #usb_port

Class Method Summary collapse

Instance Method Summary collapse

Methods included from LabInterface

#checksum, #generate_response, #is_mid_frame_end?, #process_byte_file, #process_text, #process_text_file, #process_type, #root, #send_enq, #terminator, #unbind, #write_bytes_to_file

Class Method Details

.included(base) ⇒ Object 



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# File 'lib/ruby_astm/custom/siemens_dimension_exl_module.rb', line 5

def self.included base
  base.extend ClassMethods
end

Instance Method Details

#acknowledge ⇒ Object 



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# File 'lib/ruby_astm/custom/siemens_dimension_exl_module.rb', line 75

def acknowledge
  resp = ACK
  send_data(ACK)
end

#enq? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ruby_astm/custom/siemens_dimension_exl_module.rb', line 71

def enq?
  self.data_bytes.flatten[-1] == 5
end

#message_ends? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ruby_astm/custom/siemens_dimension_exl_module.rb', line 62

def message_ends?
  x = self.data_bytes.flatten[-1] == 3
  if x == true
    puts "message ends #{self.data_bytes.flatten}"
    self.data_bytes = []
  end
  x
end

#no_request ⇒ Object 



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# File 'lib/ruby_astm/custom/siemens_dimension_exl_module.rb', line 80

def no_request
  resp = STX + "N" + FS + "6A" + ETX + "\n" 
  send_data(resp.bytes.to_a.pack('c*'))
end

#pre_process_bytes(byte_arr, concat) ⇒ Object 



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# File 'lib/ruby_astm/custom/siemens_dimension_exl_module.rb', line 11

def pre_process_bytes(byte_arr,concat)

  puts "this is the overridden method"
   puts byte_arr.to_s

   indices_to_delete = is_mid_frame_end?(byte_arr)
   #puts "indices to delete"
   #puts indices_to_delete.to_s

   if self.mid_frame_end_detected == true
     #puts "deletected mid fram is true, so deleting first byte before delete"
     #puts byte_arr.to_s
     byte_arr = byte_arr[1..-1]
     #puts "after deleteing"
     #puts byte_arr.to_s
     self.mid_frame_end_detected = false
   end

   unless indices_to_delete.blank?
     if byte_arr[(indices_to_delete[-1] + 1)]
       #puts "before deleting frame number "
       #puts byte_arr.to_s
       byte_arr.delete_at((indices_to_delete[-1] + 1))
       #puts "after deleting"
       #puts byte_arr.to_s
     else
       self.mid_frame_end_detected = true
     end
   end
   #puts "byte arr before reject"
   byte_arr = byte_arr.reject.with_index{|c,i|  indices_to_delete.include? i}
   

   byte_arr.each do |byte|
     x = [byte].pack('c*').force_encoding('UTF-8')
     if x == "\r"
       concat+="\n"
     elsif x == "\n"
       #puts "new line found --- "
       concat+=x
       #puts "last thing in concat."
       #puts concat[-1].to_s
     else
       concat+=x
     end
   end

   concat

end

#receive_data(data) ⇒ Object 



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# File 'lib/ruby_astm/custom/siemens_dimension_exl_module.rb', line 87

def receive_data(data)
   

  begin


    self.data_buffer ||= ''

    #puts "incoming data bytes."

    concat = ""
    
 
    byte_arr = data.bytes.to_a
    
    self.test_data_bytes ||= []
    
    self.data_bytes ||= []

    self.test_data_bytes.push(byte_arr)

    self.data_bytes.push(byte_arr)

    concat = pre_process_bytes(byte_arr,concat)
    
    self.data_buffer << concat


    if message_ends?
      acknowledge
      no_request
    end

  
  rescue => e
    
    #self.headers = []
    AstmServer.log("data was: " + self.data_buffer + "error is:" + e.backtrace.to_s)
    #send_data(EOT)
  end

end