/*

BMP280 氣壓、氣溫

VIN to arduino 3.3V

GND to arduino GND

SCL to arduino A5

SDA to arduino A4

*/

/*

BlueTooth 藍牙模組

VCC to arduino 5v

GND to arduino GND

RXD to arduino pin11

TXD to arduino pin10

*/

#include  <SoftwareSerial.h>

SoftwareSerial BTSerial(10, 11);

#include <Wire.h>

#include "i2c.h"

#include "i2c_BMP280.h"

BMP280 bmp280;

void setup()

{

    Serial.begin(9600);

    bmp280.initialize();

    bmp280.setEnabled(0);

    bmp280.triggerMeasurement();

    BTSerial.begin(9600);

}

void loop()

{

    bmp280.awaitMeasurement();

    float temperature;             //氣溫，單位：攝氏溫度

    bmp280.getTemperature(temperature);

    float pascal;                  //氣壓，單位：pa帕

    bmp280.getPressure(pascal);

    bmp280.triggerMeasurement();

    Serial.print("E");

    Serial.print(pascal/100);

    Serial.print(",");

    Serial.println(temperature);

    BTSerial.print("E");

    BTSerial.print(pascal/100);

    BTSerial.print(",");

    BTSerial.println(temperature);

}