include <Wire.h>

// TCS34725 I2C address
#define TCS34725_ADDR 0x29
#define CMD_BIT 0x80

// Register addresses
#define REG_ENABLE 0x00
#define REG_ATIME 0x01
#define REG_CONTROL 0x0F
#define REG_AILTL 0x04
#define REG_AILTH 0x05
#define REG_AIHTL 0x06
#define REG_AIHTH 0x07

// ENABLE register bits
#define ENABLE_PON 0x01  // Power ON
#define ENABLE_AEN 0x02  // ADC Enable
#define ENABLE_AIEN 0x10 // ALS Interrupt Enable

const int interruptPin = 2;  // Digital pin connected to INT
volatile bool interruptFlag = false;  // Interrupt flag
volatile uint16_t clearValue = 0;     // Last clear value that triggered the interrupt

void handleInterruptISR() {
  interruptFlag = true;  // Set the interrupt flag
}

// Function to write an 8-bit value to a register
void writeRegister(uint8_t reg, uint8_t value) {
  Wire.beginTransmission(TCS34725_ADDR);
  Wire.write(CMD_BIT | reg); // Command bit
  Wire.write(value);
  Wire.endTransmission();
}

// Function to write a 16-bit value to a register (little endian)
void writeRegister16(uint8_t reg, uint16_t value) {
  Wire.beginTransmission(TCS34725_ADDR);
  Wire.write(CMD_BIT | reg);
  Wire.write((uint8_t)(value & 0xFF));       // Low byte
  Wire.write((uint8_t)((value >> 8) & 0xFF)); // High byte
  Wire.endTransmission();
}

// Function to read a 16-bit value from a register (little endian)
uint16_t readRegister16(uint8_t reg) {
  Wire.beginTransmission(TCS34725_ADDR);
  Wire.write(CMD_BIT | reg);
  Wire.endTransmission(false); // Send restart
  Wire.requestFrom(TCS34725_ADDR, (uint8_t)2);
  if (Wire.available() >= 2) {
    uint16_t value = Wire.read();
    value |= (Wire.read() << 8);
    return value;
  }
  return 0xFFFF; // Return invalid value if not available
}

// Function to read an 8-bit value from a register
uint8_t readRegister(uint8_t reg) {
  Wire.beginTransmission(TCS34725_ADDR);
  Wire.write(CMD_BIT | reg); // Command bit combined with register address
  Wire.endTransmission(false); // Send repeated start
  Wire.requestFrom(TCS34725_ADDR, (uint8_t)1); // Request 1 byte from the sensor
  if (Wire.available()) {
    return Wire.read(); // Read and return the byte
  }
  return 0xFF; // Return an invalid value if not available
}

void setup() {
  Serial.begin(9600);
  Wire.begin();
  
  pinMode(interruptPin, INPUT_PULLUP);
  attachInterrupt(digitalPinToInterrupt(interruptPin), handleInterruptISR, FALLING);
  
  // Power on the sensor
  writeRegister(REG_ENABLE, ENABLE_PON);
  delay(3); // Wait for oscillator to stabilize
  
  // Enable ADC
  writeRegister(REG_ENABLE, ENABLE_PON | ENABLE_AEN);
  
  // Set integration time to 50 ms
  writeRegister(REG_ATIME, 0xEB); // 0xEB for 50 ms integration time
  writeRegister(REG_CONTROL, 0x00); // 1x gain
  
  // Set the interrupt thresholds
  uint16_t clearThresholdLow = 1000;
  uint16_t clearThresholdHigh = 0xFFFF;
  
  writeRegister16(REG_AILTL, clearThresholdLow);
  writeRegister16(REG_AIHTL, clearThresholdHigh);
  
  // Enable interrupts
  uint8_t enable = readRegister(REG_ENABLE);
  enable |= ENABLE_AIEN; // Set AIEN bit to enable interrupts
  writeRegister(REG_ENABLE, enable);
  
  Serial.println("TCS34725 initialized with 50 ms integration time and interrupt configured for clear < 1000.");
}

void loop() {
  if (interruptFlag) {
    interruptFlag = false; // Clear the interrupt flag
    
    // Read the clear channel value
    clearValue = readRegister16(0x14); // CDATAL and CDATAH
    Serial.print("Interrupt detected: Clear Value below threshold: ");
    Serial.println(clearValue);
    
    // Reset the interrupt by toggling AIEN
    uint8_t enable = readRegister(REG_ENABLE);
    enable &= ~ENABLE_AIEN; // Disable AIEN
    writeRegister(REG_ENABLE, enable);
    delay(10);
    enable |= ENABLE_AIEN; // Re-enable AIEN
    writeRegister(REG_ENABLE, enable);
  }
}
if this code is a correct interrupt for a tcs34725, explain it part by part, method by method, variable by variable