Removed original debug message. Commented lots of stuff. Cleaned up old code....

Removed original debug message. Commented lots of stuff. Cleaned up old code. Created new method, takeReading(), for taking daily readings. Set up device to function as it should.

iot_soil_moisture_master.ino

@@ -7,9 +7,11 @@
 int sInput1;
 int sInput2;
 int sInput3;
-int vccPin = 12;
-int average;
-int debugID = 1;
+
+
+//Averages variables
+int Avg1, Avg2, Avg3, Avg4;
+int dailyReading;
 
 //Connectivity variables
 char ssid[] = "BTHub5-MKS7";
@@ -20,103 +22,152 @@ WiFiClient client;
 //ThingSpeak variables
 unsigned long myChannelNumber = 640257;
 const char * myWriteAPIKey = "BRO3JQU737EE4WN9";
-int timer = 24;
 
-//Setup
-void setup() {
+
+//Setup (runs once)
+void setup() {  
+  //Serial monitor setup
   Serial.begin(9600); 
   Serial.println("Program starting.");
   Serial.println(" ");
-  pinMode(vccPin, OUTPUT);
-  pinMode(10, OUTPUT);
-  digitalWrite(10, LOW);
-  //check for the presence of the shield:
+
+  //Checks for a WiFi shield and halts the program if one is not detected
   if (WiFi.status() == WL_NO_SHIELD) {
-    Serial.println("WiFi shield not present");
-    // don't continue:
+    Serial.println("There were problems detecting the WiFi sheild. Check connection.");
     while (true);
   }
-
+  //Checks if the firmware version is up-to-date
   String fv = WiFi.firmwareVersion();
   if (fv != "1.1.0") {
-    Serial.println("Please upgrade the firmware");
-  }
-    
+    Serial.println("Update the firmware of the WiFi shield to avoid unexpected issues.");
+  }  
   ThingSpeak.begin(client);
 }
 
-//Loop
+//Loop (runs continuously)
 void loop() {
   connectToWPA();
-  delay(2000);
   Serial.println("Reading data.");
-  sInput1 = analogRead(A0);
-  sInput2 = analogRead(A1);
-  sInput3 = analogRead(A2);
-  average = ((sInput1 + sInput2 + sInput3)/3);
-  Serial.println("Attempting to send data");
-  //int x = ThingSpeak.writeField(myChannelNumber, 1, average, myWriteAPIKey);
-
-  ThingSpeak.setField(1, average);
-  ThingSpeak.setField(2, timer);
+  takeReadings();
+  dailyReading = ((Avg1 + Avg2 + Avg3 + Avg4)/4);
+  //Print for debug
+  Serial.print("Daily reading is: ");
+  Serial.print(dailyReading);
+  Serial.println("Attempting to send data.");
+  //Attempt to write the data to ThingSpeak
+  ThingSpeak.setField(3, dailyReading);
   int x = ThingSpeak.writeFields(myChannelNumber, myWriteAPIKey); 
   //x is the return code for HTTP. 200 means that the data was successfully transmitted.
   if(x == 200){
     Serial.println("Channel update successful.");
     Serial.print("Moisture value sent: ");
-    Serial.println(average);
-    Serial.print("Timer value sent: ");
-    Serial.println(timer);
+    Serial.println(dailyReading);
   }
   else{
     Serial.println("Problem updating channel. HTTP error code " + String(x));
   }
-  //15 mins delay
-  delay(900000);
-  
-  debug();
-}
-
-//debug() takes and prints the current readings for each of the three sensors and then prints their average reading. 
-//It is used for debugging only.
-void debug() {
-  digitalWrite(vccPin, HIGH);
-  sInput1 = analogRead(A0);
-  sInput2 = analogRead(A1);
-  sInput3 = analogRead(A2);
-  average = ((sInput1 + sInput2 + sInput3)/3);
-  Serial.print("Debug ID: ");
-  Serial.println(debugID);
-  debugID++;
-  Serial.println(" ");
-  Serial.print("Input 1: ");
-  Serial.println(sInput1);
-
-  Serial.print("Input 2: ");
-  Serial.println(sInput2);
-
-  Serial.print("Input 3: ");
-  Serial.println(sInput3);
-  Serial.println(" ");
-  Serial.print("Average reading: ");
-  Serial.println(average);
-  Serial.println(" ");
-  Serial.println(" ");
-  //digitalWrite(vccPin, LOW);
-  delay(5000);
 }
 
+//Attempts to connect to the Internet.
 void connectToWPA() {
+  //Checks if device is already connected to the Internet. If it is not, it attempts a connection. Otherwise it moves on.
   if(WiFi.status() != WL_CONNECTED){
     Serial.print("Attempting to connect to SSID: ");
     Serial.println(ssid);
     while(WiFi.status() != WL_CONNECTED){
       digitalWrite(10, LOW);
       WiFi.begin(ssid, pass);
-      Serial.print(".");
+      Serial.print(". . .");
       delay(5000);     
     } 
     Serial.println("\nConnected.");
     digitalWrite(10, HIGH);
   }
 }
+
+//Takes four averages (once every six hours) for the purpose of reporting the daily reading.
+void takeReadings(){
+  //First average
+  sInput1 = analogRead(A0);
+  sInput2 = analogRead(A1);
+  sInput3 = analogRead(A2);
+  Avg1 = ((sInput1 + sInput2 + sInput3)/3);
+  //Delay 6 hours
+  delay(21600000);
+
+  
+  //Second average
+  sInput1 = analogRead(A0);
+  sInput2 = analogRead(A1);
+  sInput3 = analogRead(A2);
+  Avg2 = ((sInput1 + sInput2 + sInput3)/3);
+  //Delay 6 hours
+  delay(21600000);
+
+  
+  //Third average
+  sInput1 = analogRead(A0);
+  sInput2 = analogRead(A1);
+  sInput3 = analogRead(A2);
+  Avg3 = ((sInput1 + sInput2 + sInput3)/3);
+  //Delay 6 hours
+  delay(21600000);
+
+
+  //Fourth average
+  sInput1 = analogRead(A0);
+  sInput2 = analogRead(A1);
+  sInput3 = analogRead(A2);
+  Avg4 = ((sInput1 + sInput2 + sInput3)/3);
+  //Delay 6 hours
+  delay(21600000);
+
+}
+
+//Debug method to demonstrate that my program works.
+void debug(){
+  //First average
+  sInput1 = analogRead(A0);
+  sInput2 = analogRead(A1);
+  sInput3 = analogRead(A2);
+  Avg1 = ((sInput1 + sInput2 + sInput3)/3);
+  Serial.print("First average: ");
+  Serial.println(Avg1);
+  //Delay 10 seconds
+  delay(10000);
+
+  
+  //Second average
+  sInput1 = analogRead(A0);
+  sInput2 = analogRead(A1);
+  sInput3 = analogRead(A2);
+  Avg2 = ((sInput1 + sInput2 + sInput3)/3);
+  Serial.print("Second average: ");
+  Serial.println(Avg2);
+  //Delay 10 seconds
+  delay(10000);
+
+  
+  //Third average
+  sInput1 = analogRead(A0);
+  sInput2 = analogRead(A1);
+  sInput3 = analogRead(A2);
+  Avg3 = ((sInput1 + sInput2 + sInput3)/3);
+  Serial.print("Third average: ");
+  Serial.println(Avg3);
+  //Delay 10 seconds
+  delay(10000);
+
+
+  //Fourth average
+  sInput1 = analogRead(A0);
+  sInput2 = analogRead(A1);
+  sInput3 = analogRead(A2);
+  Avg4 = ((sInput1 + sInput2 + sInput3)/3);
+  Serial.print("Fourth average: ");
+  Serial.println(Avg4);
+  //Delay 10 seconds
+  delay(10000);
+}
+
+