firmware wip - add pump control

Arduino/CanGrow/CanGrow.ino

@@ -239,7 +239,7 @@ void loop() {
       controlLED();
     }
     
-    
+    controlPUMP();
     
     displayScreens();
     
@@ -265,24 +265,12 @@ void loop() {
  * - re-organize EEPROM saved values. 
  * - prevent GrowStart to be in the future
  * - maybe let the user configure some screens to display.
- *    
+ * - put EEPROM adresses into DEFINEs 
 */
   
   
   
-/*
+
- * Pump control
- * 
- * Vars:
- *   - UsePump (bool)
- *   - PumpOnTime (int) in sec
- *   - PumpInterval (int) in days
- *   - SoilmoistureLow (int) in %
- *   - PumpLastOn (long) timestamp
- *   - PumpMode (short) 1: Pump on every n days, 2: Pump on when Soilmoisture <= SoilmoistureLow, 3: Both
- * 
- * 
- */  
   
   
 /*
@@ -294,12 +282,7 @@ void loop() {
  *   - 
  */  
 
-void controlPUMP() {
-  // UsePump true?
-  if (UsePump == true) {
 
-  }
-}
   
   
   

Arduino/CanGrow/CanGrow_HTML.h

@@ -213,8 +213,8 @@ const char HTMLhelp[] PROGMEM = R"EOF(
 <h2>&#x2753; Help</h2>
 Here you will get some helpful help.
 <h3>API</h3>
-Sensor data: <code>GET /api/sensors</code>
+<a href='/api/sensors' target='_blank'>Sensor data</a>: <code>GET /api/sensors</code><br>
-Debug all data: <code>GET /api/debug</code>
+<a href='/api/debug' target='_blank'>Debug all data:</a> <code>GET /api/debug</code>
 )EOF";
 
 

Arduino/CanGrow/CanGrow_Init.h

@@ -19,7 +19,7 @@ const bool APhidden = false;
  */
 
 // valSoilmoisture - contains the value of getSoilmoisture()
-byte valSoilmoisture;
+unsigned short valSoilmoisture;
 // valTemperature - contains the value of getTemperature()
 float valTemperature;
 // valTemperature - contains the value of getHumidity()
@@ -38,6 +38,13 @@ byte ScreenIterationPassed = 0;
 bool MaintenanceMode = false;
 unsigned long MaintenanceStarted = 0;
 
+// helper variable to remember how many seconds the pump was
+// already on within the actual watering cycle
+byte PumpOnTimePassed = 0;
+bool PumpOnManual = false;
+
+//unsigned short 
+
 /*
  * millis timer
  * 
@@ -81,6 +88,7 @@ byte MoistureSensor_Type;
 // SoilmoistureLow - contains the value , when soil moisture is assumed to be low, 
 byte SoilmoistureLow = 80;
 // UsePump - is the pump used? bool
+// PumpMode (short) 1: Pump on every n days, 2: Pump on when Soilmoisture <= SoilmoistureLow, 3: Both
 byte UsePump;
 // UseFan - is the fan used? bool
 // PumpOnTime in seconds
@@ -96,8 +104,8 @@ unsigned short MaintenanceDuration = 300;
 char Esp32CamIP[16];
 // PumpLastOn (long) timestamp
 unsigned long PumpLastOn;
-// PumpMode (short) 1: Pump on every n days, 2: Pump on when Soilmoisture <= SoilmoistureLow, 3: Both
+
-byte PumpMode = 1;
+
 
 //
 // Grow Stuff

Arduino/CanGrow/CanGrow_Sensors.h

@@ -187,7 +187,13 @@ int getSoilmoisture(byte moistureSensor, bool returnRAW = false) {
   if(returnRAW == true) {
     return soilmoisture;
     } else {
-      return map(soilmoisture, wet, dry, 100, 0);
+      short soilmoistureP = map(soilmoisture, wet, dry, 100, 0);
+      // dont return negative percentage values
+      if(soilmoistureP < 0) {
+        return 0;
+      } else {
+        return soilmoistureP;
+      }
     }
 }
 

Arduino/CanGrow/CanGrow_SysFunctions.h

@@ -106,7 +106,7 @@ bool loadEEPROM() {
    * 221 Esp32CamIP (16 byte) 
    * 237 PumpLastOn (4 byte)
    * 241 PumpIntervalVeg (1 byte)
-   * 242 PumpIntervalVeg (1 byte)
+   * 242 PumpIntervalBloom (1 byte)
    * 243 ...
    * 
    */
@@ -173,8 +173,7 @@ bool loadEEPROM() {
       EEPROM.get(221, Esp32CamIP);      
       // size is 4 byte
       EEPROM.get(237, PumpLastOn);
-      // size is 1 byte
+
-      EEPROM.get(242, PumpMode);
     }
     // TODO auth does not work atm 
     // EEPROM.get(160, WebUiUsername);
@@ -210,7 +209,9 @@ bool loadEEPROM() {
       EEPROM.get(217, SunFade);
       EEPROM.get(218, SunFadeDuration);
       // size is 1 byte
-      EEPROM.get(237, PumpIntervalVeg);
+      EEPROM.get(241, PumpIntervalVeg);
+      // size is 1 byte
+      EEPROM.get(242, PumpIntervalBloom);
       
     }
 
@@ -369,6 +370,30 @@ void wifiAp() {
     //Serial.println("The login credentials for the WebUI are 'cangrow' for username and password");
 }
 
+unsigned short growState() {
+/*
+ * growState()
+ * 
+ * returns growState as short
+ * 
+ * 1 - vegetation
+ * 2 - bloom
+ * 3 - harvest
+ * 
+ */
+  unsigned short state;
+  
+  if(DayOfGrow > (DaysVeg + DaysBloom ) ) {
+    state = 3;
+  } else if(DayOfGrow > DaysVeg ) {
+    state = 2;
+  } else {
+    state = 1;
+  }
+  
+  return state;
+}
+
 void setOutput(byte Output, byte OutputState) {
   /*
    * Pin assignments
@@ -427,15 +452,22 @@ void controlLED() {
   unsigned int secondsSunrise = (SunriseHour * 60 * 60) + (SunriseMinute * 60);
   unsigned int secondsToday = (timeClient.getHours() * 60 * 60) + (timeClient.getMinutes() * 60) + timeClient.getSeconds();
   
-  if(DayOfGrow > DaysVeg ) {
+  switch(growState()) {
-    lightHours = LighthoursBloom;
+    case 1:
-  } else {
       lightHours = LighthoursVeg;
+    break;
+    
+    case 2:
+      lightHours = LighthoursBloom;
+    break;
+    default:
+      lightHours = 0;
+    break;
   }
    
   // check if secondsToday is larger then secondsSunrise time AND if 
   // secondsToday is smaller then the sum of secondsSunrise + seconds of lightHours
-  if( ((secondsToday >= secondsSunrise) && (secondsToday <= ( secondsSunrise + (lightHours * 60 * 60))) ) ){
+  if( ((secondsToday >= secondsSunrise) && (secondsToday <= ( secondsSunrise + (lightHours * 60 * 60))) ) && (growState() < 3) ){
     //Serial.println("light on time");
     
     // when SunFade is true, fade LED light. Otherwise just turn on or off
@@ -508,7 +540,8 @@ void displayScreens() {
     display.println("s");
   } else {
   // in this switch case the single screens gets defined
-    switch(ScreenToDisplay) {
+    //switch(ScreenToDisplay) {
+    switch(0) {
       case 0:
         display.print("Humidity: ");
         display.print(valHumidity);
@@ -576,26 +609,110 @@ void displayScreens() {
 }
 
 
-unsigned short growState() {
 /*
- * growState()
+ * Pump control
  * 
- * returns growState as short
+ * Vars:
+ *   - UsePump (byte)
+ *   - PumpOnTime (byte) in sec
+ *   - SoilmoistureLow (byte) in %
+ *   - PumpLastOn (long) timestamp
+ *   - PumpMode (byte) 1: Pump on every n days, 2: Pump on when Soilmoisture <= SoilmoistureLow, 3: Both
  * 
- * 1 - vegetation
+ *   - PumpIntervalVeg (byte) in days
- * 2 - bloom
+ *   - PumpIntervalBloom (byte) in days
- * 3 - harvest
  * 
  */  
-  unsigned short state;
 
-  if(DayOfGrow > (DaysVeg + DaysBloom ) ) {
+void controlPUMP() {
-    state = 3;
+  byte PumpInterval;
-  } else if(DayOfGrow > DaysVeg ) {
+  
-    state = 2;
+  // UsePump true and not in harvest state?
-  } else {
+  if ( (UsePump > 0) && (growState() < 3) ) {
-    state = 1;
+    switch(growState()) {
+      case 1:
+        PumpInterval = PumpIntervalVeg;
+      break;      
+      case 2:
+        PumpInterval = PumpIntervalBloom;
+      break;
+      default:
+        PumpInterval = 0;
+      break;
     }
     
-  return state;
+    // when PumpOnManuel is true, turn pump on for PumpOnTime seconds
+    if(PumpOnManual == true) {
+      if(PumpOnTimePassed < PumpOnTime) {
+        digitalWrite(PinPUMP, HIGH);
+        PumpOnTimePassed++;
+      } else {
+        PumpOnManual = false;
+        digitalWrite(PinPUMP, LOW);
+        PumpOnTimePassed = 0;
+      }
+    // otherwise check which PumpMode to use
+    } else {
+      switch(UsePump) {
+        case 1:
+          // when diff of time now and time pumpLastOn is greater then PumpInterval, do some watering (Or manual watering)
+          if( (timeClient.getEpochTime() - PumpLastOn) >= (PumpInterval) ) { // TODO:  * 24 * 60 * 60 PumpInterval
+            // only water as long PumpOnTime
+            if(PumpOnTimePassed < PumpOnTime) {
+              digitalWrite(PinPUMP, HIGH);
+              PumpOnTimePassed++;
+            } else {
+              digitalWrite(PinPUMP, LOW);
+              PumpLastOn = timeClient.getEpochTime();
+              // write the value to EEPROM for the case ESP gets restarted
+              EEPROM.put(237, PumpLastOn);
+              PumpOnTimePassed = 0;
+            }
+          } else {
+            digitalWrite(PinPUMP, LOW);
+          }
+        break;
+        
+        case 2:
+          // when valSoilmoisture is lower then SoilMoisture low do some watering
+          if( (valSoilmoisture < SoilmoistureLow) || ( (valSoilmoisture >= SoilmoistureLow) &&   ( (PumpOnTimePassed > 0) && (PumpOnTimePassed <= PumpOnTime) )  ) ) {
+            // check if we alerady exceeded max PumpOnTime
+            if(PumpOnTimePassed < PumpOnTime) {
+              digitalWrite(PinPUMP, HIGH);
+              PumpOnTimePassed++;
+            } else {
+              digitalWrite(PinPUMP, LOW);
+              PumpLastOn = timeClient.getEpochTime();
+              PumpOnTimePassed = 0;
+            }
+          // when valSoilmoisture is greater then the Low value,   
+          } else {
+           digitalWrite(PinPUMP, LOW);
+          }
+        break;
+        
+        // 
+        case 3:
+          if( ( (timeClient.getEpochTime() - PumpLastOn) >= (PumpInterval) ) && //TODO calculate PumpInterval into days as well here
+            ( (valSoilmoisture < SoilmoistureLow) ||
+              ( (valSoilmoisture >= SoilmoistureLow) &&   ( (PumpOnTimePassed > 0) && (PumpOnTimePassed <= PumpOnTime) ) ) 
+            ) ) {
+            // check if we alerady exceeded max PumpOnTime
+            if(PumpOnTimePassed < PumpOnTime) {
+              digitalWrite(PinPUMP, HIGH);
+              PumpOnTimePassed++;
+            } else {
+              digitalWrite(PinPUMP, LOW);
+              PumpLastOn = timeClient.getEpochTime();
+              PumpOnTimePassed = 0;
+            }
+          // when valSoilmoisture is greater then the Low value,   
+          } else {
+           digitalWrite(PinPUMP, LOW);
+          }
+        break;
+        
+      }
+    }
+  }
 }

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 = "d6bd0f7";
+const char* CanGrowBuild = "e1fcb09-20240616201039";
 

Arduino/CanGrow/CanGrow_WebFunctions.h

@@ -368,12 +368,12 @@ void WEBroot() {
         body += "&#x1F33C; bloom<br>\n";
       break;
       case 3: 
-        body += "&#x1F342; harvest<br>\n";
+        body += "&#x1F342; harvest\n";
       break;
     }
       
-    if(UsePump == true) {
+    if(UsePump > 0) {
-      body += "<b>Pump water level:</b> ";
+      body += "<br><b>Pump water level:</b> ";
       switch(getWaterlevel()) {
         case 0:
           body += "<span style='color: green;'>OK</span>";
@@ -472,19 +472,19 @@ void WEBgrowSettings() {
     
     body += "Vegetation duration: <input class='inputShort' type='number' name='DaysVeg' min='0' max='255' value='";
     body += DaysVeg;
-    body+= "' required>Days<br>\n";
+    body+= "' required>days<br>\n";
     
     body += "Bloom duration: <input class='inputShort' type='number' name='DaysBloom' min='0' max='255' value='";
     body += DaysBloom;
-    body+= "' required> Days<br>\n";
+    body+= "' required> days<br>\n";
     
     body += "Time LED ON vegetation: <input class='inputShort' type='number' name='LighthoursVeg' min='0' max='255' value='";
     body += LighthoursVeg;
-    body+= "' required> Hours<br>\n";
+    body+= "' required> hours<br>\n";
     
     body += "Time LED ON bloom: <input class='inputShort' type='number' name='LighthoursBloom' min='0' max='255' value='";
     body += LighthoursBloom;
-    body+= "' required> Hours<br>\n";
+    body+= "' required> hours<br>\n";
     
     body += "Sunrise: <input class='inputShort' type='number' name='SunriseHour' min='0' max='23' value='";
     body += SunriseHour;
@@ -515,6 +515,16 @@ 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 += PumpIntervalBloom;
+      body+= "' required>days<br>\n";
+    }
+    
     body += "<input type='submit' value='&#x1F4BE; Save settings'>\n";
     body += "</form>\n"; 
     body += FPSTR(JSconvertDateToEpoch);
@@ -569,10 +579,10 @@ void WEBsystemSettings() {
     // PumpMode byte
     body += "Pump mode: <select id='UsePump' name='UsePump' required>\n";
     if(configured == false){body += "<option disabled value='' selected hidden>---</option>\n";}
-    body += "<option value='1'" + returnStrSelected(UsePump, 0) + ">Off</option>\n";
+    body += "<option value='0'" + returnStrSelected(UsePump, 0) + ">Off</option>\n";
     body += "<option value='1'" + returnStrSelected(UsePump, 1) + ">1</option>\n";
-    body += "<option value='1'" + returnStrSelected(UsePump, 2) + ">2</option>\n";
+    body += "<option value='2'" + returnStrSelected(UsePump, 2) + ">2</option>\n";
-    body += "<option value='0'" + returnStrSelected(UsePump, 3) + ">3</option>\n";
+    body += "<option value='3'" + returnStrSelected(UsePump, 3) + ">3</option>\n";
     body += "</select><br><p class='helpbox'><b>1:</b> Water every few days.<br> \
 <b>2:</b> Water if the soil moisture falls below <i>Soilmoisture low</i> value<br> \
 <b>3:</b> Water every few days if the soil moisture falls below <i>Soilmoisture low</i> value.</p>\n";
@@ -593,7 +603,7 @@ void WEBsystemSettings() {
     
     // TODO ugly. can this done be better? 
     // PumpOnTime int
-    body += "PUMP ON time: <input class='inputShort' type='number' name='PumpOnTime' min='0' max='255' value='";
+    body += "Pump ON time: <input class='inputShort' type='number' name='PumpOnTime' min='0' max='255' value='";
     body += PumpOnTime;
     body += "' required> Seconds<br>\n";
     
@@ -755,6 +765,8 @@ void POSTgrowSettings() {
   SunriseMinute = webserver.arg("SunriseMinute").toInt();
   SunFade = webserver.arg("SunFade").toInt();
   SunFadeDuration = webserver.arg("SunFadeDuration").toInt();
+  PumpIntervalVeg = webserver.arg("PumpIntervalVeg").toInt();
+  PumpIntervalBloom = webserver.arg("PumpIntervalBloom").toInt();
   
   // size is 32 byte
   EEPROM.put(170, GrowName);
@@ -778,6 +790,10 @@ void POSTgrowSettings() {
   EEPROM.put(216, PinFANPWM);
   EEPROM.put(217, SunFade);
   EEPROM.put(218, SunFadeDuration);
+  // size is 1 byte
+  EEPROM.put(241, PumpIntervalVeg);
+  // size is 1 byte
+  EEPROM.put(242, PumpIntervalBloom);
   
   EEPROM.commit();
   
@@ -1054,6 +1070,10 @@ void APIgetDebug() {
   objSystem["TemperatureSensor_Type"] = TemperatureSensor_Type;
   objSystem["NtpOffset"] = NtpOffset;
   objSystem["MaintenanceDuration"] = MaintenanceDuration;
+  objSystem["PumpOnTime"] = PumpOnTime;
+  objSystem["PumpOnTimePassed"] = PumpOnTimePassed;
+  objSystem["PumpOnManual"] = PumpOnManual;
+  objSystem["PumpLastOn"] = PumpLastOn;
   
   // Grow
   JsonObject objGrow = jsonDebug["grow"].add<JsonObject>();
@@ -1071,7 +1091,8 @@ void APIgetDebug() {
   objGrow["PinLEDPWM"] = PinLEDPWM;
   objGrow["PinFANPWM"] = PinFANPWM;
   objGrow["DayOfGrow"] = DayOfGrow;
-  
+  objGrow["PumpIntervalVeg"] = PumpIntervalVeg;
+  objGrow["PumpIntervalBloom"] = PumpIntervalBloom;
   
   
   // Sensors