Class: Extface::Driver::StarTsp200

Inherits:
GenericPos show all
Defined in:
app/models/extface/driver/star_tsp200.rb

Direct Known Subclasses

StarScp700

Constant Summary collapse

NAME = 
'Star TSP200 (Base Receipt Protocol)'.freeze
GROUP = 
Extface::PRINT_DRIVER
DEVELOPMENT =

driver is not ready for production (not passing all tests or has major bugs)

true
RAW =

Select driver features

true
true
FISCAL =

POS, slip printers

false
REPORT =

cash registers, fiscal printers

false

Constants inherited from Extface::Driver

DRIVER_TYPES

Instance Method Summary collapse

Methods inherited from GenericPos

#print_test_page

Methods inherited from Extface::Driver

#flush, has_serial_config, #notify, #pre_handle, #pull, #push, #rpush, #serial?, #set_job

Instance Method Details

#autocut(partial = true) ⇒ Object 



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# File 'app/models/extface/driver/star_tsp200.rb', line 22

def autocut(partial = true)
  # <ESC> “d” “0” - Full-cut command
  # <ESC> “d” “1” - Partial-cut command
  push "\r\n\r\n\r\n"
  push partial ? "\x1B\x64\x31" : "\x1B\x64\x30"
end

#check_status ⇒ Object 



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# File 'app/models/extface/driver/star_tsp200.rb', line 29

def check_status
  flush
  push "\x05" # <ENQ>   - Causes the printer to transmit a status byte
  if status = pull(3) #wait 3 sec for data
    human_status_errors(status)
    return errors.empty?
  else
    errors.add :base, "No data received from device"
    return false
  end
end

#handle(buffer) ⇒ Object 



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# File 'app/models/extface/driver/star_tsp200.rb', line 16

def handle(buffer)
  #expecting only 1 status byte, move it to receive_buffer
  rpush buffer
  return buffer.length # return number of bytes processed
end

#human_status_errors(status_byte) ⇒ Object 



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# File 'app/models/extface/driver/star_tsp200.rb', line 41

def human_status_errors(status_byte)
  errors.add :base, "Vertical parity error" unless (status_byte.ord & 0x01).zero?
  errors.add :base, "Framing error" unless (status_byte.ord & 0x02).zero?
  errors.add :base, "Mechanical error" unless (status_byte.ord & 0x04).zero?
  errors.add :base, "Receipt paper empty" unless (status_byte.ord & 0x08).zero?
  errors.add :base, "Buffer overflow" unless (status_byte.ord & 0x40).zero?
end