LoggerPrograms/IrrigationControl.CR1 at master · PlantandFoodResearch/LoggerPrograms · GitHub

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'CR1000
'Created by Short Cut (3.0)

'Declare Variables and Units
Public BattV
Public PTemp_C
Public T107_C
Public RTime(9)
Public IrrigCount
Public CoolingCount
Public WP(4)
Public StartTemp_C(4)
Public Temp1Sec_C(4)
Public Temp30Sec_C(4)
Public DeltaT_C(4)
Public LastGoodValue(4)
Public MeanWP

Const IrrigationDuration = 5
Const CoolingDuration = 20
Const TriggerWP = 2.5
Const CoolTrigger = 26.0
Const Alpha = 1
Const Beta = 0

Units BattV=Volts
Units PTemp_C=Deg C
Units T107_C=Deg C

Function MeasureWC()
  'Do soil moisture measurements

        'Do soil water potential measurements
        'Measure reference temperature'
		 PanelTemp(PTemp_C,_60Hz)
        'Measure Sensors starting temperature
		'TCDiff (Dest, Reps, Range, DiffChan, TCType, TRef,RevDiff, SettlingTime, Integ, Mult, Offset)
		 TCDiff (StartTemp_C(1), 1, mV2_5C, 1, TypeT, PTemp_C,True, 0, _60Hz, 1, 0)
		 TCDiff (StartTemp_C(2), 1, mV2_5C, 2, TypeT, PTemp_C,True, 0, _60Hz, 1, 0)
		 TCDiff (StartTemp_C(3), 1, mV2_5C, 3, TypeT, PTemp_C,True, 0, _60Hz, 1, 0)
		 TCDiff (StartTemp_C(4), 1, mV2_5C, 4, TypeT, PTemp_C,True, 0, _60Hz, 1, 0)
		'Switch heater on
		 PortSet(7,1)
		'Pause for a second
		 Delay(0,1,Sec)
		'Take 1 Second measurements
		 TCDiff (Temp1Sec_C(1), 1, mV2_5C, 1, TypeT, PTemp_C,True, 0, _60Hz, 1, 0)
		 TCDiff (Temp1Sec_C(2), 1, mV2_5C, 2, TypeT, PTemp_C,True, 0, _60Hz, 1, 0)
		 TCDiff (Temp1Sec_C(3), 1, mV2_5C, 3, TypeT, PTemp_C,True, 0, _60Hz, 1, 0)
		 TCDiff (Temp1Sec_C(4), 1, mV2_5C, 4, TypeT, PTemp_C,True, 0, _60Hz, 1, 0)
		'Pause for a further 29 seconds
		 Delay(0,29,Sec)
		'Take 30 Second measurements
		 TCDiff (Temp30Sec_C(1), 1, mV2_5C, 1, TypeT, PTemp_C,True, 0, _60Hz, 1, 0)
		 TCDiff (Temp30Sec_C(2), 1, mV2_5C, 2, TypeT, PTemp_C,True, 0, _60Hz, 1, 0)
		 TCDiff (Temp30Sec_C(3), 1, mV2_5C, 3, TypeT, PTemp_C,True, 0, _60Hz, 1, 0)
		 TCDiff (Temp30Sec_C(4), 1, mV2_5C, 4, TypeT, PTemp_C,True, 0, _60Hz, 1, 0)
		'Turn header off
		 PortSet(7,0)
		'Do calculations
		 DeltaT_C(1) = Temp30Sec_C(1) - Temp1Sec_C(1)
         WP(1) = EXP(Alpha * DeltaT_C(1) + Beta)
		 DeltaT_C(2) = Temp30Sec_C(2) - Temp1Sec_C(2)
         WP(2) = EXP(Alpha * DeltaT_C(2) + Beta)
		 DeltaT_C(3) = Temp30Sec_C(3) - Temp1Sec_C(3)
         WP(3) = EXP(Alpha * DeltaT_C(3) + Beta)
		 DeltaT_C(4) = Temp30Sec_C(4) - Temp1Sec_C(4)
         WP(4) = EXP(Alpha * DeltaT_C(4) + Beta)

		 'Calculate mean water potential

	 Dim I
		 For I = 1 To 4
  			If WP(I) = NAN Then
  				LastGoodValue(I) = LastGoodValue(I)
  			Else
  				If WP(I) > 2 AND WP(I) < 20 Then
  					'If the current measurement of WP is within sensible bounds use it for means.  Otherwise keep last value
                    LastGoodValue(I) = WP(I)
  				EndIf
  			EndIf
  		 Next I

     MeanWP = (LastGoodValue(1)+LastGoodValue(2)+LastGoodValue(3)+LastGoodValue(4))/4

    'If for some reason MeanWP becomes NAN, set mean WP to a value high enough to trigger irrigation
		 If MeanWP = NAN Then
			 MeanWP = TriggerWP + 1
		 EndIf
EndFunction

Function DoIrrigation(IrrigDurat)
    	PortSet(1,1)
			Delay(0,IrrigDurat*1.1,min)
			PortSet(1,0)
			Delay(0,5,Sec)
			PortSet(2,1)
			Delay(0,IrrigDurat*0.9,min)
			PortSet(2,0)
			IrrigCount +=1
EndFunction

Function DoCooling(CoolDurat)
      PortSet(1,1)
			Delay(0,CoolDurat*1.0,sec)
			PortSet(1,0)
			Delay(0,5,Sec)
			PortSet(2,1)
			Delay(0,CoolDurat*0.8,sec)
			PortSet(2,0)
			CoolingCount +=1
EndFunction

'Define Data Tables
DataTable(PotTables,True,-1)
	DataInterval(0,20,min,10)
	Average(1,BattV,FP2,False)
	Average(1,PTemp_C,FP2,False)
	Sample(1,T107_C,FP2)
	Average(1,WP(1),FP2,False)
	Average(1,WP(2),FP2,False)
	Average(1,WP(3),FP2,False)
	Average(1,WP(4),FP2,False)
	Average(1,MeanWP,FP2,False)
	Average(1,DeltaT_C(1),FP2,False)
	Average(1,DeltaT_C(2),FP2,False)
	Average(1,DeltaT_C(3),FP2,False)
	Average(1,DeltaT_C(4),FP2,False)
	Average(1,LastGoodValue(1),FP2,False)
	Average(1,LastGoodValue(2),FP2,False)
	Average(1,LastGoodValue(3),FP2,False)
	Average(1,LastGoodValue(4),FP2,False)
EndTable

'Main Program
BeginProg
	'Main Scan
	Scan(10,min,1,0)
		'Default Datalogger Battery Voltage measurement 'BattV'
		Battery(BattV)
		'Default Wiring Panel Temperature measurement 'PTemp_C'
		PanelTemp(PTemp_C,_60Hz)
		'109 Temperature Probe measurement 'T109_C'
		'Measure thermoster temperature Therm109 (Dest, Reps, SEChan, VX/ExChan, SettlingTime, Integ, Mult, Offset)
		Therm107(T107_C,1,16,3,0,_60Hz,1,0)
		'Do soil moisture measurements
		 MeasureWC()
    'Call Data Tables and Store Data
		CallTable(PotTables)
		Delay(0,150,mSec)  'Delay(Option, Delay, Units)
		'Update time variable
		RealTime(RTime(1))		'1=year, 2=month, 3=day of month, 4=hour of day, 5=minutes, 6=seconds, 7=microseconds, 8=day of week, 9=day of year
		'If the time is right consider applying irrigation
    If (RTime(4) >= 4 AND RTime(4) < 7) Then
      'If pots are dry give them a squirt of irrigation
		  While MeanWP > TriggerWP
		    DoIrrigation(IrrigationDuration) 'Put water om
		    Delay(0,1,min)  ' Wait a minuits for it to settel
		    MeasureWC()     ' Remeaasure water and repeat if pots still dry
			CallTable(PotTables)
      Wend
    EndIf
		Delay(0,150,mSec)  'Delay(Option, Delay, Units)
		'If the time is right consider cooling the tables
		If (RTime(4) >= 10 AND RTime(4) < 18) Then
		  'If the temperature is sufficiently high give a short squirt of water to cool things down
		  If T107_C > CoolTrigger Then
		    DoCooling(CoolingDuration)
		  EndIf
		EndIf
		'Zero the counts at the end of each day
    If RTime(4) = 0 Then
      IrrigCount = 0
      CoolingCount = 0
    EndIf
	NextScan
EndProg