Rolling 20210506v2

code/components/jomjol_flowcontroll/ClassFlowPostProcessing.cpp

@@ -74,10 +74,9 @@ bool ClassFlowPostProcessing::LoadPreValue(void)
 
     tStart = mktime(&whenStart);
 
-    time_t now;
-    time(&now);
-    localtime(&now);
-    double difference = difftime(now, tStart);
+    time(&lastvalue);
+    localtime(&lastvalue);
+    double difference = difftime(lastvalue, tStart);
     difference /= 60;
     if (difference > PreValueAgeStartup)
         return false;
@@ -123,12 +122,16 @@ void ClassFlowPostProcessing::SavePreValue(float value, string zwtime)
         timeinfo = localtime(&rawtime);
 
         strftime(buffer, 80, "%Y-%m-%d_%H-%M-%S", timeinfo);
-        zwtime = std::string(buffer);
+        timeStamp = std::string(buffer);
+    }
+    else
+    {
+        timeStamp = zwtime;
     }
 
     PreValue = value;
 
-    fputs(zwtime.c_str(), pFile);
+    fputs(timeStamp.c_str(), pFile);
     fputs("\n", pFile);
     fputs(to_string(value).c_str(), pFile);
     fputs("\n", pFile);
@@ -139,6 +142,7 @@ void ClassFlowPostProcessing::SavePreValue(float value, string zwtime)
 
 ClassFlowPostProcessing::ClassFlowPostProcessing(std::vector<ClassFlow*>* lfc)
 {
+    FlowRateAct = 0;
     PreValueUse = false;
     PreValueAgeStartup = 30;
     AllowNegativeRates = false;
@@ -150,6 +154,7 @@ ClassFlowPostProcessing::ClassFlowPostProcessing(std::vector<ClassFlow*>* lfc)
     checkDigitIncreaseConsistency = false;
     DecimalShift = 0;    
     ErrorMessageText = "";
+    timeStamp = "";
     FilePreValue = FormatFileName("/sdcard/config/prevalue.ini");
     ListFlowControll = lfc;
 }
@@ -343,12 +348,15 @@ bool ClassFlowPostProcessing::doFlow(string zwtime)
 
             PreValueOkay = true;
             PreValue = Value;
-            
+            time(&lastvalue);
+            localtime(&lastvalue);
+
             SavePreValue(Value, zwtime);
         }
         return true;
     }
 
+
     zw = ErsetzteN(ReturnRawValue); 
 
     Value = std::stof(zw);
@@ -359,6 +367,14 @@ bool ClassFlowPostProcessing::doFlow(string zwtime)
 
     zwvalue = RundeOutput(Value, AnzahlAnalog - DecimalShift);
 
+    time_t currenttime;
+    time(&currenttime);
+    localtime(&currenttime);
+    double difference = difftime(currenttime, lastvalue);      // in Sekunden
+    difference /= 60;                                          // in Minuten
+
+    FlowRateAct = (Value - PreValue) / difference;
+
     if ((!AllowNegativeRates) && (Value < PreValue))
     {
         ErrorMessageText = ErrorMessageText + "Negative Rate - Returned old value - read value: " + zwvalue + " - raw value: " + ReturnRawValue + " - checked value: " + std::to_string(Value) + " "; 
@@ -506,6 +522,16 @@ float ClassFlowPostProcessing::checkDigitConsistency(float input, int _decilamsh
     return input;
 }
 
+string ClassFlowPostProcessing::getReadoutRate()
+{
+    return std::to_string(FlowRateAct);
+}
+
+string ClassFlowPostProcessing::getReadoutTimeStamp()
+{
+   return timeStamp; 
+}
+
 
 string ClassFlowPostProcessing::getReadoutError() 
 {