firmware wip - wip pump control

Arduino/CanGrow/CanGrow_Init.h

@@ -43,6 +43,11 @@ unsigned long MaintenanceStarted = 0;
 byte PumpOnTimePassed = 0;
 bool PumpOnManual = false;
 
+// helper variable for pump control with soilmoisture
+// average of last readings
+unsigned short valSoilmoistureAvg = 0;
+unsigned short valSoilmoistureAvg_tmp = 0;
+byte valSoilmoistureAvg_count = 0;
 //unsigned short 
 
 /*

Arduino/CanGrow/CanGrow_SysFunctions.h

@@ -501,10 +501,25 @@ void controlLED() {
 }
 
 void refreshSensors() {
+  byte soilmoistureAvgSampleCount = 5;
+  
   valSoilmoisture = getSoilmoisture(MoistureSensor_Type);
   valHumidity = getHumidity();
   valTemperature = getTemperature(TemperatureSensor_Type);
   valWaterlevel = getWaterlevel();
+  
+  // get average of 5 readings for valSoilmoisture
+  valSoilmoistureAvg_tmp = valSoilmoistureAvg_tmp + valSoilmoisture;
+  if(valSoilmoistureAvg_count < soilmoistureAvgSampleCount - 1) {
+    valSoilmoistureAvg_count++;
+  } else {
+    // build average
+    valSoilmoistureAvg = valSoilmoistureAvg_tmp / soilmoistureAvgSampleCount;
+    // reset everything
+    valSoilmoistureAvg_tmp = 0;
+    valSoilmoistureAvg_count = 0;
+
+  }
 }
 
 void displayScreens() {
@@ -553,9 +568,10 @@ void displayScreens() {
         display.println("");
         display.print("Moisture: ");
         display.print(valSoilmoisture);
-        display.println(" %");
+        display.print(" % ");
+        display.println(valSoilmoistureAvg);
         display.println("");
-        if(UsePump == true) {
+        if(UsePump > 0) {
           display.print("Pump Waterlvl: ");
           switch(valWaterlevel) {
             case 0:
@@ -628,7 +644,8 @@ void controlPUMP() {
   byte PumpInterval;
   
   // UsePump true and not in harvest state?
-  if ( (UsePump > 0) && (growState() < 3) ) {
+  // dont water within the first 15 sec after startup
+  if ( (UsePump > 0) && (growState() < 3) && (millis() > 15000) ) {
     switch(growState()) {
       case 1:
         PumpInterval = PumpIntervalVeg;
@@ -674,8 +691,8 @@ void controlPUMP() {
         break;
         
         case 2:
-          // when valSoilmoisture is lower then SoilMoisture low do some watering
+          // when valSoilmoistureAvg is lower then SoilMoisture low do some watering
-          if( (valSoilmoisture < SoilmoistureLow) || ( (valSoilmoisture >= SoilmoistureLow) &&   ( (PumpOnTimePassed > 0) && (PumpOnTimePassed <= PumpOnTime) )  ) ) {
+          if( (valSoilmoistureAvg < SoilmoistureLow) || ( (valSoilmoistureAvg >= SoilmoistureLow) &&   ( (PumpOnTimePassed > 0) && (PumpOnTimePassed <= PumpOnTime) )  ) ) {
             // check if we alerady exceeded max PumpOnTime
             if(PumpOnTimePassed < PumpOnTime) {
               digitalWrite(PinPUMP, HIGH);
@@ -685,7 +702,7 @@ void controlPUMP() {
               PumpLastOn = timeClient.getEpochTime();
               PumpOnTimePassed = 0;
             }
-          // when valSoilmoisture is greater then the Low value,   
+          // when valSoilmoistureAvg is greater then the Low value,   
           } else {
            digitalWrite(PinPUMP, LOW);
           }
@@ -694,8 +711,8 @@ void controlPUMP() {
         // 
         case 3:
           if( ( (timeClient.getEpochTime() - PumpLastOn) >= (PumpInterval) ) && //TODO calculate PumpInterval into days as well here
-            ( (valSoilmoisture < SoilmoistureLow) ||
+            ( (valSoilmoistureAvg < SoilmoistureLow) ||
-              ( (valSoilmoisture >= SoilmoistureLow) &&   ( (PumpOnTimePassed > 0) && (PumpOnTimePassed <= PumpOnTime) ) ) 
+              ( (valSoilmoistureAvg >= SoilmoistureLow) &&   ( (PumpOnTimePassed > 0) && (PumpOnTimePassed <= PumpOnTime) ) ) 
             ) ) {
             // check if we alerady exceeded max PumpOnTime
             if(PumpOnTimePassed < PumpOnTime) {
@@ -706,7 +723,7 @@ void controlPUMP() {
               PumpLastOn = timeClient.getEpochTime();
               PumpOnTimePassed = 0;
             }
-          // when valSoilmoisture is greater then the Low value,   
+          // when valSoilmoistureAvg is greater then the Low value,   
           } else {
            digitalWrite(PinPUMP, LOW);
           }
@@ -714,5 +731,8 @@ void controlPUMP() {
         
       }
     }
+  } else {
+    // ensure pump is off when it should be off
+    digitalWrite(PinPUMP, LOW);
   }
 }

Arduino/CanGrow/CanGrow_Version.h

@@ -1,5 +1,5 @@
 /* CanGrow_Version.h gets generated from cangrow.sh */
 
 const char* CanGrowVer = "0.1-dev";
-const char* CanGrowBuild = "54fec62-20240616204659";
+const char* CanGrowBuild = "a51cd81-20240617013905";
 

Arduino/CanGrow/CanGrow_WebFunctions.h

@@ -373,7 +373,7 @@ void WEBroot() {
     }
       
     if(UsePump > 0) {
-      body += "<br><b>Pump water level:</b> ";
+      body += "<b>Pump water level:</b> ";
       switch(getWaterlevel()) {
         case 0:
           body += "<span style='color: green;'>OK</span>";
@@ -515,15 +515,19 @@ void WEBgrowSettings() {
       body += "'/> %<br>\n";
     }
     
-    if(UsePump > 0) {
-      body += "Pump interval vegetation: <input class='inputShort' type='number' name='PumpIntervalVeg' min='0' max='255' value='";
-      body += PumpIntervalVeg;
-      body+= "' required>days<br>\n";
     
-      body += "Pump interval bloom: <input class='inputShort' type='number' name='PumpIntervalBloom' min='0' max='255' value='";
+    body += "Pump interval vegetation: every <input class='inputShort' type='number' name='PumpIntervalVeg' min='0' max='255' value='";
+    body += PumpIntervalVeg;
+    body += "' required ";
+    if( (UsePump != 1) && UsePump != 3) { body += "readonly"; }
+    body += "> days<br>\n";
+    
+    body += "Pump interval bloom: every <input class='inputShort' type='number' name='PumpIntervalBloom' min='0' max='255' value='";
     body += PumpIntervalBloom;
-      body+= "' required>days<br>\n";
+    body += "' required ";
-    }
+    if((UsePump != 1) && (UsePump != 3)) { body += "readonly"; }
+    body += "> days<br>\n";
+  
     
     body += "<input type='submit' value='&#x1F4BE; Save settings'>\n";
     body += "</form>\n"; 
@@ -1040,6 +1044,7 @@ void APIgetSensors() {
   JsonDocument jsonSensors;
     
   jsonSensors["soilmoisture"] = valSoilmoisture;
+  jsonSensors["soilmoistureAvg"] = valSoilmoistureAvg;
   jsonSensors["temperature"] = valTemperature;
   jsonSensors["humidity"] = valHumidity;
   jsonSensors["waterlevel"] = valWaterlevel;
@@ -1054,6 +1059,13 @@ void APIgetDebug() {
   
   JsonDocument jsonDebug;
   
+  // Runtime vars
+  JsonObject objRuntime = jsonDebug["runtime"].add<JsonObject>();
+  objRuntime["PumpOnTimePassed"] = PumpOnTimePassed;
+  objRuntime["PumpOnManual"] = PumpOnManual;
+  objRuntime["valSoilmoistureAvg"] = valSoilmoistureAvg;
+  objRuntime["valSoilmoistureAvg_tmp"] = valSoilmoistureAvg_tmp;
+  objRuntime["valSoilmoistureAvg_count"] = valSoilmoistureAvg_count;
   
   // WiFi
   JsonObject objWiFi = jsonDebug["wifi"].add<JsonObject>();
@@ -1077,8 +1089,6 @@ void APIgetDebug() {
   objSystem["NtpOffset"] = NtpOffset;
   objSystem["MaintenanceDuration"] = MaintenanceDuration;
   objSystem["PumpOnTime"] = PumpOnTime;
-  objSystem["PumpOnTimePassed"] = PumpOnTimePassed;
-  objSystem["PumpOnManual"] = PumpOnManual;
   objSystem["PumpLastOn"] = PumpLastOn;
   
   // Grow