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Versions: 71
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Contents
module Extface
class Driver::StarTsp200 < Driver::GenericPos
NAME = 'Star TSP200 (Base Receipt Protocol)'.freeze
GROUP = Extface::PRINT_DRIVER
DEVELOPMENT = true #driver is not ready for production (not passing all tests or has major bugs)
# Select driver features
RAW = true #responds to #push(data) and #pull
PRINT = true #POS, slip printers
FISCAL = false #cash registers, fiscal printers
REPORT = false #only transmit data that must be parsed by handler, CDR, report devices
has_serial_config
def handle(buffer)
#expecting only 1 status byte, move it to receive_buffer
rpush buffer
return buffer.length # return number of bytes processed
end
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
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
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
end
end
Version data entries
71 entries across 71 versions & 1 rubygems