Domoticz

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function Round(num, idp)
   return tonumber(string.format("%." ..(idp or 0).. "f", num))
end

commandArray = {}

sUtetemp = Round(otherdevices_temperature['Ute'], 2)
sAcktanktopp = Round(otherdevices_temperature['Acktank topp'], 2)
sPannaturtemp = Round(otherdevices_temperature['Panndrift'], 2)
sRadkretsframled = Round(otherdevices_temperature['Framledning'], 2)
sSolreturtemp = Round(otherdevices_temperature['Från solfångare vid tank'], 2)

os.execute ('rrdtool update /mnt/templog/temp/templog.rrd N:'..sUtetemp..':'..sSolreturtemp..':'..sPannaturtemp..':'..sAcktanktopp..':'..sRadkretsframled)

return commandArray

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#!/bin/bash
/usr/bin/rrdtool create /home/pi/pimeteo2.rrd --start N  --step 300 \
 DS:Temp1:GAUGE:600:U:U \
 DS:Humid1:GAUGE:600:U:U \
 DS:Baro1:GAUGE:600:U:U \
 DS:RainD:GAUGE:600:U:U \
 DS:WindS:GAUGE:600:U:U \
 DS:WindG:GAUGE:600:U:U \
 RRA:AVERAGE:0.5:1:3000

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#!/bin/bash
rrdtool graph /home/pi/pimeteo2.png \
  DEF:temp=/home/pi/pimeteo2.rrd:Temp1:AVERAGE \
  DEF:humid=/home/pi/pimeteo2.rrd:Humid1:AVERAGE \
  DEF:press=/home/pi/pimeteo2.rrd:Baro1:AVERAGE \
  DEF:raind=/home/pi/pimeteo2.rrd:RainD:AVERAGE \
  DEF:winds=/home/pi/pimeteo2.rrd:WindS:AVERAGE \
  DEF:windg=/home/pi/pimeteo2.rrd:WindG:AVERAGE \
  CDEF:press2=press,1000,- \
  CDEF:winds2=winds,10,* \
  CDEF:windg2=windg,10,* \
  LINE1:temp#ff0000:Temperature \
  LINE1:humid#0000ff:Humidity \
  LINE1:press2#5fd00b:Pressure \
  LINE1:raind#00ffff:Rain_today \
  LINE1:winds2#000000:Windspeed \
  LINE1:windg2#871f78:Windgust \
  COMMENT:"\t\t\t\t\t\t\l" \
  COMMENT:"\t\t\t\t\t\t\l" \
  GPRINT:temp:LAST:"Temperature   Latest\: %2.1lf" \
  GPRINT:temp:MAX:"  Max.\: %2.1lf" \
  GPRINT:temp:MIN:"  Min.\: %2.1lf" \
  COMMENT:"\t\t\t\t\t\t\l" \
  GPRINT:humid:LAST:"Humidity      Latest\: %2.1lf" \
  GPRINT:humid:MAX:"  Max.\: %2.1lf" \
  GPRINT:humid:MIN:"  Min.\: %2.1lf" \
  COMMENT:"\t\t\t\t\t\t\l" \
  GPRINT:press:LAST:"Pressure      Latest\: %2.1lf" \
  GPRINT:press:MAX:"  Max.\: %2.1lf" \
  GPRINT:press:MIN:"  Min.\: %2.1lf" \
  COMMENT:"\t\t\t\t\t\t\l" \
  GPRINT:raind:LAST:"Rain_today    Latest\: %2.1lf" \
  GPRINT:raind:MAX:"  Max.\: %2.1lf" \
  GPRINT:raind:MIN:"  Min.\: %2.1lf" \
  COMMENT:"\t\t\t\t\t\t\l" \
  GPRINT:winds:LAST:"Windspeed     Latest\: %2.1lf" \
  GPRINT:winds:MAX:"  Max.\: %2.1lf" \
  GPRINT:winds:MIN:"  Min.\: %2.1lf" \
  COMMENT:"\t\t\t\t\t\t\l" \
  GPRINT:windg:LAST:"Windgust      Latest\: %2.1lf" \
  GPRINT:windg:MAX:"  Max.\: %2.1lf" \
  GPRINT:windg:MIN:"  Min.\: %2.1lf" \
  COMMENT:"\t\t\t\t\t\t\l" \
  --width 700 --height 400 \
  --title="Temperature, Humidity, Pressure, Rain & Wind for last 24 hour" \
  --vertical-label="Temp.(C)/Hum.(%)/Baro(hPa,-1000)/Rain(mm)/Wind(m/s,*10)" \
  --watermark "`date`"
# Copy picture to directory of local website
# cp /home/pi/pimeteo2.png /var/www/html

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------------------------------------------------------------------------------
-- Version 01C 20171111
--
-- Domoticz lua script to put values from Domoticz to RRD_Database. 
-- Extracts the contents based on the unique names of items, passes them
-- to the designated RRD_Database and generates a graph from selected data.
-- This version for collected, basic Meteo-info from TFA_Nexus & BMP180.
-- Relative to the setup described in ct2017#5, this script
-- within the lua-script updates the database and generates the graph,
-- by calling sh-files through os.execute 
------------------------------------------------------------------------------
-- Source-info from ct2017,#5 + Domoticz-forum, adapted by Toulon7559 (c)2017
------------------------------------------------------------------------------
print ('Start of meteo2 rrd-script 1C')
-- Line 15, Definition of Inputs
Outside_Temp_Hum = 'TFA1_Temp_RV_Hoog'
Barometer = 'BMP180_Temp_Baro'
RainMeter = 'TFA_Nexus_Neerslag'
WindMeter = 'TFA_Nexus_Wind'
-- Line 19, Settings
-- Intervals
Interval1 = 15; Offset1 = 1 -- Time in minutes to run create_rrd_graph

-- Line 23, Local Functions

local function Round(num, idp)
   return tonumber(string.format("%." ..(idp or 0).. "f", num))
end

-- Line 29, Data Extraction from Domoticz'svalues for TFA_Nexus
sTempTFA, sRVTFA = otherdevices_svalues[Outside_Temp_Hum]:match("([^;]+);([^;]+)")
sTempTFA = tonumber(sTempTFA);
sRVTFA = tonumber(sRVTFA);
-- Line 33 Data Extraction from Domoticz'svalues for BMP180
sBMP180T, sBMP180B = otherdevices_svalues[Barometer]:match("([^;]+);([^;]+)")
sBMP180T = tonumber(sBMP180T); -- Temperature at BMP180-sensor
sBMP180B = tonumber(sBMP180B); -- Pressure at BMP180-sensor
print ('BMP180_druk_raw = '.. sBMP180B)
-- Line 38, Checkline Outside_Temp_Hum
if Outside_Temp_Hum ~= '' then
   TempOut1 = sTempTFA
   HumOut1 = sRVTFA
end
-- Line 43, Checkline Barometer & Correction & Offset
a = 1 -- relative correction for air pressure in hPa, default is 1, range from 0.9 to 1.1 for max. 10% offset
b = 0 -- absolute correction for air pressure in hPa, default is 0, practical range from -10 to +10
if Barometer ~= '' then
    sBMP180B = a*sBMP180B + b
    print ('BMP180_corrected = '.. sBMP180B)
    PressOut1 = sBMP180B
    print ('BMP180_offset = '.. sBMP180B)
end
-- Line 52, Checkline for Rain-info
if RainMeter ~= '' then
   Rain_Day = otherdevices_rain[RainMeter]
   Rain_hour = otherdevices_rain_lasthour[RainMeter]
end
-- Line 57, Checkline for Wind-info
if WindMeter ~= '' then
   Winddir = otherdevices_winddir[WindMeter]
   Windspeedmps = otherdevices_windspeed[WindMeter] 
   Windgustmps = otherdevices_windgust[WindMeter] 
end

commandArray = {}

-- Line 66, Compilation & Print Temp&Hum&Baro
Temp1 = Round(TempOut1, 2); print ('Temp = '..Temp1) -- Outside temperature
Humid1 = Round(HumOut1, 2); print ('Humid = '..Humid1) -- Outside humidity
Baro1 = Round(PressOut1, 2); print ('Baro = '..Baro1) -- Barometric pressure
RainD = Round(Rain_Day, 2); print ('RainD = '..RainD) -- Rain today
-- RainH = Round(Rain_Hour, 2); print ('RainH = '..RainH) -- Rain last hour
-- WindD = Round(Winddir, 2); print ('WindD = '..WindD) -- Wind Direction
WindS = Round(Windspeedmps, 2); print ('WindS = '..WindS) -- Wind speed
WindG = Round(Windgustmps, 2); print ('WindG = '..WindG) -- Wind gust

-- Line 76, Export of data = update of rrd database(s) and generation of graph
-- Line 77, Extract current date as date.year, date.month, date.day, date.hour, date.min, date.sec
date = os.date("*t")
-- Line 79, Update of rrd database
-- RRD has internal setting for expecting update once per 5 minutes
   os.execute ('rrdtool update /home/pi/pimeteo2.rrd N:'..Temp1..':'..Humid1..':'..Baro1..':'..RainD..':'..WindS..':'..WindG)
   print ('RRD, Database updated!')
-- end
-- Line 84, Generation of graph
-- if (date.min % Interval1 == Offset1) then
   os.execute ('sudo /home/pi/create_pimeteo2A_graph.sh')
-- next line is required to set rw-permissions at all levels for open&copy&shift of the output-file 
--   os.execute("chmod a+rw /home/pi/pimeteo2.png")
   print ('RRD, Graph generated!')
-- end
print ('End of meteo2 rrd-script 1C')
return commandArray