Class: Smartware::Driver::Modem::Standard

Inherits:
Object
  • Object
show all
Defined in:
lib/smartware/drivers/modem/standard.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(config) ⇒ Standard

Returns a new instance of Standard.



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# File 'lib/smartware/drivers/modem/standard.rb', line 11

def initialize(config)
  @port = config["port"]
  @balance_ussd = config["balance_ussd"]
  @status_channel_id = config["status_channel"].to_i
  @ppp_channel_id = config["ppp_channel"].to_i
  @poll_interval = config["poll_interval"].to_i
  @balance_interval = config["balance_interval"].to_i
  @apn = config["apn"]

  @state = :closed
  @error = Interface::Modem::MODEM_NOT_AVAILABLE
  @mux = nil
  @status_channel = nil
  @info_requested = false
  @model = "GSM modem"
  @version = ""
  @signal = "+CSQ: 99,99"
  @balance_timer = 0
  @balance = nil
  @ppp_state = :stopped
  @ppp_pid = nil
end

Instance Attribute Details

#balance ⇒ Object (readonly)

Returns the value of attribute balance.



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# File 'lib/smartware/drivers/modem/standard.rb', line 9

def balance
  @balance
end

#error ⇒ Object (readonly)

Returns the value of attribute error.



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# File 'lib/smartware/drivers/modem/standard.rb', line 9

def error
  @error
end

#model ⇒ Object (readonly)

Returns the value of attribute model.



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# File 'lib/smartware/drivers/modem/standard.rb', line 9

def model
  @model
end

#version ⇒ Object (readonly)

Returns the value of attribute version.



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# File 'lib/smartware/drivers/modem/standard.rb', line 9

def version
  @version
end

Instance Method Details

#signal_level ⇒ Object 



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# File 'lib/smartware/drivers/modem/standard.rb', line 34

def signal_level
  value = @signal.gsub("+CSQ: ",'').split(',')[0].to_i
  "#{(-113 + value * 2)} dbm"
end

#tick ⇒ Object 



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# File 'lib/smartware/drivers/modem/standard.rb', line 39

def tick
  begin
    modem_tick
    ppp_tick

    wait_for_event
  rescue => e
    Smartware::Logging.logger.error "uncatched exception in modem monitor: #{e}"
  end
end

#unsolicited(type, fields) ⇒ Object 



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# File 'lib/smartware/drivers/modem/standard.rb', line 50

def unsolicited(type, fields)
  case type
  when "CUSD"
    ussd *fields
  end
end

#ussd(mode, string = nil, dcs = nil) ⇒ Object 



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# File 'lib/smartware/drivers/modem/standard.rb', line 57

def ussd(mode, string = nil, dcs = nil)
  if mode != "0"
    Smartware::Logging.logger.warn "USSD completed with mode #{mode}, expected 0"
  end

  if string
    @balance = string.scan(/\w{4}/)
    .map! { |i| [ i.hex ].pack("U") }
    .join
    .strip
  else
    @balance = nil
  end
end