#define trigPin1 22  // Ultrasonic Sensor Trigger for Distance Measurement
#define echoPin1 23  // Ultrasonic Sensor Echo for Distance Measurement
#define trigPin2 24  // Ultrasonic Sensor Trigger for Seed Dispenser Level
#define echoPin2 25  // Ultrasonic Sensor Echo for Seed Dispenser Level

long duration1, duration2;
int distance1, distance2;
int seedLevel;

void setup() {
  Serial.begin(9600);         // Start serial communication at 9600 baud rate
  pinMode(trigPin1, OUTPUT);  // Set trigPin1 as an OUTPUT (Distance)
  pinMode(echoPin1, INPUT);   // Set echoPin1 as an INPUT (Distance)
  pinMode(trigPin2, OUTPUT);  // Set trigPin2 as an OUTPUT (Seed Level)
  pinMode(echoPin2, INPUT);   // Set echoPin2 as an INPUT (Seed Level)
}

void loop() {
  // Measure Distance using the first ultrasonic sensor
  digitalWrite(trigPin1, LOW);  
  delayMicroseconds(2);      
  digitalWrite(trigPin1, HIGH); 
  delayMicroseconds(10);     
  digitalWrite(trigPin1, LOW);
  
  duration1 = pulseIn(echoPin1, HIGH); // Get duration of the echo pulse for distance
  distance1 = duration1 * 0.034 / 2;  // Convert time to distance (in cm)

  // Measure Seed Dispenser Level using the second ultrasonic sensor
  digitalWrite(trigPin2, LOW);  
  delayMicroseconds(2);      
  digitalWrite(trigPin2, HIGH); 
  delayMicroseconds(10);     
  digitalWrite(trigPin2, LOW);
  
  duration2 = pulseIn(echoPin2, HIGH); // Get duration of the echo pulse for seed dispenser level
  distance2 = duration2 * 0.034 / 2;  // Convert time to distance (in cm)

  // Calculate seed dispenser level percentage
  // Assuming the maximum distance is 400 cm
  int maxDistance = 400;
  int seedLevelDistance = maxDistance - distance2;  // Calculate the level height based on distance
  seedLevel = map(seedLevelDistance, 0, maxDistance, 0, 100); // Map to percentage (0 to 100%)

  // Print distance and seed level to Serial Monitor
  Serial.print("Distance: ");
  Serial.print(distance1);
  Serial.println(" cm");

  // Print seed level as a percentage
  Serial.print("Seed Level: ");
  if (seedLevel <= 25) {
    Serial.println("25% - Low");
  } else if (seedLevel <= 50) {
    Serial.println("50% - Medium");
  } else if (seedLevel <= 75) {
    Serial.println("75% - High");
  } else {
    Serial.println("100% - Full");
  }

  delay(1000);  // Small delay for stability
}