add new water level

Greenhouse.ino

@@ -177,6 +177,13 @@ void setup(void) {
   pinMode(5, OUTPUT);
   digitalWrite(5, HIGH);
   pinMode(9, INPUT_PULLUP);
+
+  // water level pins
+  pinMode(34, INPUT_PULLUP);
+  pinMode(35, INPUT_PULLUP);
+  pinMode(36, INPUT_PULLUP);
+  pinMode(37, INPUT_PULLUP);
+  
   setTime(0);
   Serial.begin(9600);
   dht.begin();
@@ -353,6 +360,7 @@ void loop(void) {
       drawButton(0, 20, 320, 220, "", ILI9341_WHITE);
       drawButton(160, 130, 160, 110, "Back", ILI9341_BLUE);
       drawUD(uda);
+      displayText(10, 20, false, "Water amount:", 2); 
     }
     upd = false;
   }
@@ -445,26 +453,23 @@ void checkBat() {
     tft.drawString(out.c_str(), 162, 2, 2);
   }
   // check water level
-  // A15: Top
-  // A13: Bottom
-  // 47: Power
-  digitalWrite(47, HIGH);
-  int a = checkPin(15, 20);
-  int b = checkPin(14, 20);
-  int c = checkPin(13, 20);
-  digitalWrite(47, LOW);
-  if(c > 200) drawButton(140, 2, 16, 16, "", ILI9341_RED);
-  if(b > 200) drawButton(140, 2, 16, 16, "", ILI9341_YELLOW);
-  if(a > 200) drawButton(140, 2, 16, 16, "", ILI9341_GREEN);
+  // A37: Top
+  // A34: Bottom
+  if (digitalRead(34) == 0) drawButton(140, 2, 16, 16, "", ILI9341_RED);
+  if (digitalRead(35) == 0) drawButton(140, 2, 16, 16, "", ILI9341_ORANGE);
+  if (digitalRead(36) == 0) drawButton(140, 2, 16, 16, "", ILI9341_YELLOW);
+  if (digitalRead(37) == 0) drawButton(140, 2, 16, 16, "", ILI9341_GREEN);
+
 }
 
-int checkPin(int pin, int count) {
+int checkPin(byte pin, int count) {
   int out = 0;
-  for (int x = 0; x < count, x++) {
+  for (int x = 0; x < count; x++) {
     out += analogRead(pin);
     delay(10);
   }
-  return out / count;
+  out /= count;
+  return out;
 }
 
 void runWater() {
@@ -888,4 +893,4 @@ void updUD(int data[]) {
       }
     }
   }
-}
+}