atimin

Rehearsal ------------------------------------------------------------
Read coils                 0.480000   0.080000   0.560000 (  0.495899)
Read discrete inputs       0.420000   0.140000   0.560000 (  0.503507)
Read holding registers     1.360000   0.150000   1.510000 (  1.436041)
Read input registers       1.330000   0.150000   1.480000 (  1.424927)
Write single coil          0.290000   0.120000   0.410000 (  0.335850)
Write single register      0.300000   0.090000   0.390000 (  0.329078)
Write multiple coils       0.510000   0.120000   0.630000 (  0.564480)
Write multiple registers   1.540000   0.110000   1.650000 (  1.582799)
--------------------------------------------------- total: 7.190000sec

atimin

require "lipa/web"

#Configuration
srv = root :server do 
  node :message do 
    html text("Hello World!")
  end
end

srv.run!

atimin

require "rmodbus"

ModBus::TCPClient.connect('127.0.0.1',9999) do |cl|
  cl.debig = true
  cl.with_slave(1) do |sl_1|
    sl_1.debug #=> true
  end

  cl.with_slave(2) do |sl_2|  
    sl_2.debug = false

atimin

require "rmodbus"

s = ModBus::TCPServer.new(9999, 1)
s.holding_registers = [1] * 10
s.start

ModBus::TCPClient.connect('127.0.0.1',9999) do |cl|
  cl.with_slave(1) do |slave|
    slave.raise_exception_on_mismatch = true
    slave.debug =true

atimin

dir_2["dir_1/dir_2/searched_obj"] 
dir_2["searched_obj"] 
dir_2["./searched_obj"] 
dir_2["../dir_2/searched_obj"] 

atimin

require "lipa"

store = Lipa::Tree.new :store do 
  kind :category, :for => :node do
    unit_count Proc.new {
      count = 0
      children.values.each do |u|  
        count += u.count if u.kind == "unit"
      end

atimin

t = Lipa::Tree.new :tree do
 kind :some_kind, :for => :node
 with :attr_1 => 999 do 
    some_kind :obj_1
  end
end

atimin

Lipa::Tree["tree://dir_1/dir_2/file_1"].size
#or
tree["dir_1/dir_2/file_1"].size
#or
tree.dir_1.dir_2.file_1.size

atimin

#!/usr/bin/env ruby
=begin
It's very simple example of implementation 
REST-PCA gateway
for communication with TCP ModBus devices
It receives  REST requests 
(e.g http://127.0.0.1:4567/mb/127.0.0.1/8502/1/coils/6/17 )
and returns data in JSON format addr : data:
{"coils": {
  "6":{

atimin

require 'lipa'

un = root :universe do
  kind :planet_system do
    num_planet run{
      count = 0
      children.values.each do |planet|
        count += 1 if planet.kind == :planet
      end
      count