add Backstop/Rücklaufsperre to power counter (#19)

symcon · Feb 4, 2025 · e37a7c4 · e37a7c4
1 parent 18390d5
commit e37a7c4
Show file tree

Hide file tree

Showing 3 changed files with 14 additions and 2 deletions.
diff --git a/EnergyCounterPower/form.json b/EnergyCounterPower/form.json
@@ -29,6 +29,11 @@
             "name": "Interval",
             "type": "IntervalBox",
             "caption": "Seconds"
+        },
+        {
+            "name": "Backstop",
+            "type": "CheckBox",
+            "caption": "Backstop"
         }
     ]
 }
diff --git a/EnergyCounterPower/locale.json b/EnergyCounterPower/locale.json
@@ -12,7 +12,8 @@
             "Last Value (Temporary": "Letzter Wert (Temporär)",
             "Energy Counter (Power)": "Energiezähler (Strom)",
             "https://www.symcon.de/en/service/documentation/module-reference/energy-counter/energy-counter-power/": "https://www.symcon.de/de/service/dokumentation/modulreferenz/energiezaehler/energiezaehler-strom/",
-            "Energy Counter Power": "EnergiezaehlerStrom"
+            "Energy Counter Power": "EnergiezaehlerStrom",
+            "Backstop": "Rücklaufsperre"
         }
     }
 }
diff --git a/EnergyCounterPower/module.php b/EnergyCounterPower/module.php
@@ -17,11 +17,13 @@ public function Create()
         $this->RegisterPropertyInteger('SourceVariable', 0);
         $this->RegisterPropertyInteger('Voltage', 230);
         $this->RegisterPropertyInteger('Interval', 60);
+        $this->RegisterPropertyBoolean('Backstop', false);
 
         $this->RegisterTimer('UpdateTimer', 0, 'EZS_Update($_IPS[\'TARGET\']);');
 
         $this->RegisterVariableFloat('Current', $this->Translate('Current'), 'Watt.3680', 0);
         $this->RegisterVariableFloat('Counter', $this->Translate('Counter'), 'Electricity', 1);
+
     }
 
     public function ApplyChanges()
@@ -74,8 +76,12 @@ public function Update()
                 //we use the last updated value to calculate the amount the need to add
                 $timeDiff = time() - IPS_GetVariable($this->GetIDForIdent('Current'))['VariableUpdated'];
 
-                //get current value
+                //get current value -> if Backstop is active and value is negativ set to 0
+                $backstop = $this->ReadPropertyBoolean('Backstop');
                 $currentValue = GetValue($this->GetIDForIdent('Current'));
+                if ($backstop && ($currentValue < 0)) {
+                    $currentValue = 0;
+                }
 
                 //fetch last counter
                 $lastCounterValue = GetValue($this->GetIDForIdent('Counter'));