Module: GPSTool::Devices::RBT2300

Defined in:
lib/gpstool/devices/rbt-2300.rb,
lib/gpstool/devices/rbt-2300/data-parser.rb,
lib/gpstool/devices/rbt-2300/data-buckets.rb

Defined Under Namespace

Classes: DataBuckets, DataParser, Message

Constant Summary collapse

MAX_PACKET_SIZE = 
0xF0

Class Method Summary collapse

Class Method Details

.estimate_packet_count(frame_sz, count) ⇒ Object 



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# File 'lib/gpstool/devices/rbt-2300.rb', line 95

def self.estimate_packet_count(frame_sz, count)
  ((frame_sz * count).to_f / MAX_PACKET_SIZE).ceil.to_i
end

.floats_for_format(format) ⇒ Object 



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# File 'lib/gpstool/devices/rbt-2300/data-parser.rb', line 8

def self.floats_for_format(format)
  return 2 + format.to_i
end

.frame_size(format) ⇒ Object 



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# File 'lib/gpstool/devices/rbt-2300/data-parser.rb', line 12

def self.frame_size(format)
  # HEADER(4 bytes) + (sizeof(float) * count)
  return 4 + (floats_for_format(format) * 4)
end

.frames_per_packet(format) ⇒ Object 



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# File 'lib/gpstool/devices/rbt-2300/data-parser.rb', line 17

def self.frames_per_packet(format)
  return 240 / frame_size(format)
end

.parse_date(log) ⇒ Object 



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# File 'lib/gpstool/devices/rbt-2300.rb', line 60

def self.parse_date(log)
  log[:date].match(/([0-9]{4})([0-9]{2})([0-9]{2})/)
  date = Date.civil($1.to_i, $2.to_i, $3.to_i)

  return date
end

.read_log_data(data) ⇒ Object 



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# File 'lib/gpstool/devices/rbt-2300.rb', line 88

def self.read_log_data(data)
  header = data[0..3].unpack("CCC")
  data = data[3..-1]

  return header, data
end

.update_config(update_time, mode) ⇒ Object 



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# File 'lib/gpstool/devices/rbt-2300.rb', line 67

def self.update_config(update_time, mode)
  update_time = update_time.to_i

  if update_time < 1 or update_time > 60
    raise ArgumentError.new("Update time must be between 1-60 inclusive.")
  end

  mode = mode.to_i

  if mode < 0 || mode > 3
    raise ArgumentError.new("Mode must be one of 0, 1, 2.")
  end

  a = 0
  b = update_time.to_i
  c = mode
  d = 0

  return Message.parse("PROY104,#{a},#{b},#{c},#{d}")
end