Class: Sim800c::Commands::SignalQuality

Inherits:
Object
  • Object
show all
Includes:
Helpers
Defined in:
lib/sim800c/commands/signal_quality.rb

Instance Method Summary collapse

Methods included from Helpers

#at_cmd, #parse_cmgl_response, #read_response, #return_or_raise_error!

Constructor Details

#initialize(serial) ⇒ SignalQuality

Returns a new instance of SignalQuality.



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# File 'lib/sim800c/commands/signal_quality.rb', line 8

def initialize(serial)
  @serial = serial
end

Instance Method Details

#info ⇒ Object 



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# File 'lib/sim800c/commands/signal_quality.rb', line 12

def info
  rssi_level = rssi
  return { rssi: nil, bars: 0, strength: 'Unknown' } unless rssi_level

  {
    rssi: rssi_level,
    bars: bars(rssi_level),
    strength: strength(rssi_level)
  }
end

#rssi ⇒ Object 



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# File 'lib/sim800c/commands/signal_quality.rb', line 23

def rssi
  at_cmd('AT+CSQ')
  response = @serial.read(100)
  return unless response =~ /\+CSQ:\s*(\d+),/

  ::Regexp.last_match(1).to_i
end