Module: AgriController::TR

Defined in:
lib/agri-controller/device/tr.rb

Class Method Summary collapse

Class Method Details

.check_sum(str) ⇒ Object

*check_sum(“0013006f000027000000000000000000000203004372005”)

# =>"\343\001"



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# File 'lib/agri-controller/device/tr.rb', line 11

def check_sum(str)
  x=0
  begin
    str.each_byte{|i| x+=i}
    #p x
    to_byte(x)
  rescue
    nil
  end
end

.check_sum?(str1, sum = nil) ⇒ Boolean

*check_sum?(“0013006f000027000000000000000000000203004372005343001”

# =>true

*check_sum?(“0013006f000027000000000000000000000203004372005”,

"\343\001") # =>true

Returns:

  • (Boolean) 


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# File 'lib/agri-controller/device/tr.rb', line 26

def check_sum?(str1,sum=nil)
  begin
    if sum==nil
      x1=str1.chop.chop
      x2=str1.slice(str1.size-2,2)
    else
      x1=str1
      x2=sum
    end
    #p check_sum(x1)
    #p x2
    return check_sum(x1)==x2
  rescue
    return nil
  end
end

.list(str) ⇒ Object

example_data

*a="\0013\006\f\000\027\002\027\002\054\003\072\021\203\004\372\005x\002"
*list(a) # =>{:uv=>0.0, :lx_sigma=>0.0, :uv_sigma=>0.0,
             :temperature=>15.5, :lx=>0.23, :humidity=>53.0}
*list("wrong_data")# =>nil



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# File 'lib/agri-controller/device/tr.rb', line 103

def list(str)
  a=str
  res={}
  if check_sum?(a)
    a.size==(a[3].ord+a[4].ord*256+7)
    
    #lx
    x1=a[5].ord
    x2=a[6].ord
      #puts "lx"
    lx_=to_n(x1,x2)/100.0
    res[:lx]=lx_
    
    #uv
    x1=a[7].ord
    x2=a[8].ord
      #puts "uv"
    uv_=to_n(x1,x2)/1000.0
    res[:uv]=uv_
    
    #lx_h
    x1=a[9].ord
    x2=a[10].ord
      #puts "lx_accumulated"
    res[:lx_sigma]=to_n(x1,x2)/100.0
    
    #uv_h
    x1=a[11].ord
    x2=a[12].ord
      #puts "uv_accumulated"
    res[:uv_sigma]=to_n(x1,x2)/1000.0
    
    #'C tempereture
    x=a[13].ord+a[14].ord*256-1000
    x1=x/10.0
      #puts "'c"
    res[:temperature]=x1
    
    #% humidity
    x=a[15].ord+a[16].ord*256-1000
    x1=x/10.0
      #puts "humidity"
    res[:humidity]=x1
  else
    res=nil
  end
  res
end

.parse(str) ⇒ Object 



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# File 'lib/agri-controller/device/tr.rb', line 5

def parse(str)
  list(str)
end

.read(port = "/dev/ttyUSB0") ⇒ Object

This require “serialport” TR::serial(port) # =>String Communicate with ESPEC THERMORECORDER(RS-13L:UV,lx,thermo,humidty LOGGER)or T&D TR

**CAUSION** check port permission on Linux.(ls -l <port device>)

*USAGE require “rubygems”

require "serialport"
require "timeout"
require "agri-controller"
include AgriController

x=TR::read(“/dev/ttyUSB0”)

# =>"\0013\006\f\000\f\001\000\000\212(\000\000z\004\232\006#\002"

TR::list(x)

# =>{:uv         =>0.0,
     :lx_sigma   =>87.44,
     :uv_sigma   =>0.0,
     :temperature=>14.6,
     :lx         =>2.68,
     :humidity   =>69.0}



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# File 'lib/agri-controller/device/tr.rb', line 172

def read(port="/dev/ttyUSB0")
  require "rubygems"
  require "serialport"
  require "timeout"
  #open
  s=SerialPort.new(port,19200)
  
  #boot up command
  s.write("\x0")
  
  sleep 0.11
  #commnicate command
  s.write("\x1\x33\x0\x0"+"\x0\x34\x0")
   
  #receive
  r=""
  begin
    timeout(2) do
      while c=s.read(1)
        r += c
        break if r.length >= 19
      end
    end
  rescue Timeout::Error
    r=""
  ensure
    s.close #close
  end
  
  return r
end

.sample ⇒ Object

a=TR::list(TR::sample)

>{:lx=>91.28,

:uv=>0.0,
:lx_sigma=>36.03,
:uv_sigma=>0.0,
:temperature=>11.7,
:humidity=>49.0
 }



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# File 'lib/agri-controller/device/tr.rb', line 86

def sample
  "\x013\x06\f\x00\xEA(\x00\x00\x13\x0E\x00\x00]\x04\xD2\x05\xB1\x02"
end

.send_sample ⇒ Object

“x1x33x0x0x0”+“x34x0”

>“x013x06fx00xEA(x00x00x13x0Ex00x00]x04xD2x05xB1x02”



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# File 'lib/agri-controller/device/tr.rb', line 94

def send_sample
  "\x1\x33\x0\x0"+"\x0\x34\x0"
end

.to_byte(i) ⇒ Object 



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# File 'lib/agri-controller/device/tr.rb', line 47

def to_byte(i)
#  p i
  x2=(i/256).chr
  x1=(i%256).chr
  x1+x2
end

.to_n(num0, num1) ⇒ Object 



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# File 'lib/agri-controller/device/tr.rb', line 54

def to_n(num0,num1)
  begin
    x1=num0
    x2=num1
    unless x2==238#error
      if x2 > 15 
        power=x2.to_s(16).slice(0,1).to_i(16)
        num=x2%16*256+x1
      else
        power=0
        num=x2*256+x1
      end
      res=num*2**power
    else
      res=nil
    end
    res
  rescue
    return nil
  end
end

.toi(num0, num1) ⇒ Object 



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# File 'lib/agri-controller/device/tr.rb', line 43

def toi(num0,num1)
  num1*256+num0
end