#include <Wire.h>

#define SENSOR_ADDR 0x6D // Default I2C address of the sensor

void setup() {
  Wire.begin(); // Initialize I2C
  Serial.begin(9600); // Initialize serial communication
}

void loop() {
  uint32_t pressureRaw = readPressureRaw();
  float pressure = convertPressure(pressureRaw);
  int16_t temperatureRaw = readTemperatureRaw();
  float temperature = convertTemperature(temperatureRaw);

  Serial.print("Pressure: ");
  Serial.print(pressure);
  Serial.print(" Pa, Temperature: ");
  Serial.print(temperature);
  Serial.println(" C");

  delay(1000); // Wait for 1 second
}

uint32_t readPressureRaw() {
  Wire.beginTransmission(SENSOR_ADDR);
  Wire.write(0x30); // Command register
  Wire.write(0x0A); // Trigger combined pressure and temperature conversion
  Wire.endTransmission();

  delay(20); // Wait for conversion to complete (approx. 20ms)

  Wire.beginTransmission(SENSOR_ADDR);
  Wire.write(0x06); // Request pressure data
  Wire.endTransmission();

  Wire.requestFrom(SENSOR_ADDR, 3); // Request 3 bytes of pressure data
  uint32_t pressure = Wire.read() << 16; // Pressure MSB
  pressure |= Wire.read() << 8; // Pressure CSB
  pressure |= Wire.read(); // Pressure LSB

  return pressure;
}

float convertPressure(uint32_t pressureRaw) {
  // Implement pressure conversion formula based on your pressure range and units
  // Example for 0-100 kPa range:
  const float k = 64.0; // Scaling factor
  float pressure = (pressureRaw > 0x800000) ? ((pressureRaw - 0x1000000) / k) : (pressureRaw / k);
  return pressure;
}

int16_t readTemperatureRaw() {
  Wire.beginTransmission(SENSOR_ADDR);
  Wire.write(0x09); // Request temperature data
  Wire.endTransmission();

  Wire.requestFrom(SENSOR_ADDR, 2); // Request 2 bytes of temperature data
  int16_t temperature = Wire.read() << 8; // Temperature MSB
  temperature |= Wire.read(); // Temperature LSB

  return temperature;
}

float convertTemperature(int16_t temperatureRaw) {
  // Implement temperature conversion formula
  float temperature = (temperatureRaw > 0x8000) ? ((temperatureRaw - 0x10000) / 256.0) : (temperatureRaw / 256.0);
  return temperature;
}