Module: UsbModule

Defined in:
lib/ruby_astm/usb_module.rb

Instance Method Summary collapse

Instance Method Details

#begin_patient_results ⇒ Object 



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# File 'lib/ruby_astm/usb_module.rb', line 7

def begin_patient_results
	">00A00013"
end

#interpret? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ruby_astm/usb_module.rb', line 27

def interpret?
	## if the third last is a carriage return, then interpret.l

	self.usb_response_bytes[-3] == 13
end

#parse_usb_response(string_data) ⇒ Object 



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# File 'lib/ruby_astm/usb_module.rb', line 33

def parse_usb_response(string_data)
	string_data.bytes.to_a.each do |byte|
		self.usb_response_bytes.push(byte)
	end
	#puts "self usb response bytes:"
	#puts self.usb_response_bytes.to_s
	if interpret?
		#puts "interpret"
		if kk = self.usb_response_bytes[13..-4]
			kk.each_slice(32) do |patient_record|
				bar_code = nil
				bar_code = patient_record[11..23].pack('c*').gsub(/\./,'')
				#puts "bar code: #{bar_code}"
				unless bar_code.strip.blank?
					esr = patient_record[26]
					patient = Patient.new(:orders => [Order.new(:results => [Result.new(:value => esr, :name => "ESR", :report_name => "ESR")])])
					patient = Patient.new({})
					patient.patient_id = bar_code
					patient.orders = []
					order = Order.new({})
					result = Result.new({})
					result.value = esr.to_s
					result.name = "ESR"
					result.report_name = "ESR"
					order.id = bar_code
					order.results = []
					order.results << result
					patient.orders << order
					#puts patient.orders.size
					#puts patient.orders.first.results.size
					#puts patient.orders.first.results.first.to_s
					#puts "patient to json is:"
					puts patient.to_json
					$redis.lpush("patients",patient.to_json)
				end 
			end
		end
		self.usb_response_bytes = []	
	else
		#puts "dont interpret"		
	end

end

#request_results ⇒ Object

requests the last 5 tests performed. last two digits before the carriage return are 00 if digits are 01 : will take the 5 penultimate tests if digits are 13 : will take the first 5 tests from memory.



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# File 'lib/ruby_astm/usb_module.rb', line 23

def request_results
	">0002009300\r00"
end

#request_status ⇒ Object 



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# File 'lib/ruby_astm/usb_module.rb', line 15

def request_status
	">00000082\r00"
end

#request_version ⇒ Object 



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# File 'lib/ruby_astm/usb_module.rb', line 11

def request_version
	">00000080\r00"
end