Class: SGS::Alarm

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

Overview

Deal with alarm subsystem.

Constant Summary collapse

MISSION_SWITCH =

Alarms generated by Otto.

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RUDDSRV_FAULT = 
1
SAILSRV_FAULT = 
2
VBATT_CRITICAL = 
3
VBATT_UNDERVOLTAGE = 
4
VBATT_OVERVOLTAGE = 
5
IBATT_INRUSH = 
6
IBATT_DRAIN = 
7
VSOLAR_OVERVOLTAGE = 
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COMPASS_ERROR = 
9
COMPASS_NOREAD = 
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WDI_STUCK = 
11
WDI_NOREAD = 
12
RUDDER_NOZERO = 
13
SAIL_NOZERO = 
14
MOTHER_UNRESP = 
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OTTO_RESTART =

Alarms generated by Mother.

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MISSION_COMMENCE = 
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MISSION_COMPLETE = 
18
MISSION_ABORT = 
19
WAYPOINT_REACHED = 
20
CROSS_TRACK_ERROR = 
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INSIDE_FENCE = 
22
ALARM_NAMES = 
[
  "Mission Activation Switch",
  "Rudder Servo Fault",
  "Sail Servo Fault",
  "Battery voltage is critically low",
  "Battery voltage is low",
  "Battery voltage is too high",
  "Battery inrush current",
  "Battery drain current",
  "Solar voltage is too high",
  "Compass module error",
  "Compass not responding",
  "WDI reading is misaligned",
  "Cannot read from the WDI",
  "Cannot zero the rudder position",
  "Cannot zero the sail position",
  "Mother is unresponsive",
  "OTTO Restarted",
  "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..."
  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