Class: SGS::Alarm

Inherits:
RedisBase show all
Defined in:
lib/sgs/alarm.rb

Overview

Deal with alarm subsystem.

Constant Summary collapse

OTTO_RESTART =

Alarms generated by Otto.

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MISSION_SWITCH = 
1
RUDDER_FAULT = 
2
SAIL_FAULT = 
3
BATTERY_FAULT = 
4
SOLAR_FAULT = 
5
COMPASS_FAULT = 
6
ACCEL_FAULT = 
7
WDI_FAULT = 
8
MOTHER_UNRESP = 
9
RESERVED1 = 
10
RESERVED2 = 
11
RESERVED3 = 
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RESERVED4 = 
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RESERVED5 = 
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RESERVED6 = 
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OTTO_FAULT =

Alarms generated by Mother.

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MISSION_COMMENCE = 
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MISSION_COMPLETE = 
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MISSION_ABORT = 
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WAYPOINT_REACHED = 
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CROSS_TRACK_ERROR = 
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INSIDE_FENCE = 
22
ALARM_NAMES = 
[
  "OTTO Restarted Unexpectedly",
  "Mission Activation Switch",
  "Fault in Rudder Control System",
  "Fault in Sail Control System",
  "Battery Failure",
  "Failure in Solar Array",
  "Fault in Electronic Compass",
  "Fault in Accelerometer",
  "Fault in Wind Direction Indicator",
  "Mother is Unresponsive",
  "** Reserved 1 **",
  "** Reserved 2 **",
  "** Reserved 3 **",
  "** Reserved 4 **",
  "** Reserved 5 **",
  "** Reserved 6 **",
  "Fault with OTTO Communications",
  "Mission has commenced",
  "Mission is completed",
  "*** MISSION ABORT ***",
  "Waypoint has been reached",
  "Significant cross-track error",
  "Vessel is inside the fence"
].freeze

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from RedisBase

#count, #count_name, #load, load, #make_redis_name, #publish, redis, redis_handle, #redis_read_var, #save, #save_and_publish, setup, subscribe, to_redis, var_init

Constructor Details

#initialize ⇒ Alarm

Returns a new instance of Alarm.



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# File 'lib/sgs/alarm.rb', line 101

def initialize
  @count = 0
  @last_report = nil
  @time = Array.new(32, Time.at(0))
  super
end

Instance Attribute Details

#last_report ⇒ Object

Returns the value of attribute last_report.



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# File 'lib/sgs/alarm.rb', line 45

def last_report
  @last_report
end

#time ⇒ Object

Returns the value of attribute time.



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# File 'lib/sgs/alarm.rb', line 45

def time
  @time
end

Class Method Details

.build_include(fname) ⇒ Object

Build a C include file based on the current alarm definitions



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# File 'lib/sgs/alarm.rb', line 123

def self.build_include(fname)
  alarm = new
  File.open(fname, "w") do |f|
    f.puts "/*\n * Autogenerated by #{__FILE__}.\n * DO NOT HAND-EDIT!\n */"
    constants.sort.each do |c|
      unless c == :ALARM_NAMES
        cval = Alarm.const_get(c)
        str = "#define SGS_ALARM_#{c.to_s}"
        str += "\t" if str.length < 32
        str += "\t#{cval}\t/* #{alarm.name(cval)} */"
        f.puts str
      end
    end
  end
end

.daemon ⇒ Object

Main daemon function (called from executable)



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# File 'lib/sgs/alarm.rb', line 110

def self.daemon
  puts  "Alarm daemon starting up. VERSION: #{SGS::VERSION}"
  otto = RPCClient.new(:otto)
  loop do
    #puts "Check for any alarms..."
    #resp = otto.command "A?"
    #puts "Response: #{resp}"
    sleep 30
  end
end

Instance Method Details

#name(alarmno) ⇒ Object

Convert an alarm number into a string.



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# File 'lib/sgs/alarm.rb', line 141

def name(alarmno)
  ALARM_NAMES[alarmno]
end