Gitakichi Tokyo / Mbed 2 deprecated BME280_attitude

秋月電子通商のBME280温湿度気圧モジュールにて高度を測定しました。 ボードはSTM32L152REを使いました。 meas attitude by BME280 Module of Akiduki and STM32L152RE. http://akizukidenshi.com/catalog/g/gK-09421/ http://www.st.com/content/st_com/ja/products/evaluation-tools/product-evaluation-tools/mcu-eval-tools/stm32-mcu-eval-tools/stm32-mcu-nucleo/nucleo-l152re.html

Dependencies:   BME280 mbed

Fork of BME280_Hello by Toyomasa Watarai

秋月電子通商のBME280温湿度気圧モジュールにて高度を測定しました。 ボードはSTM32L152REを使いました。 Meas altitude by BME280 Module of Akiduki and STM32L152RE. http://akizukidenshi.com/catalog/g/gK-09421/ http://www.st.com/content/st_com/ja/products/evaluation-tools/product-evaluation-tools/mcu-eval-tools/stm32-mcu-eval-tools/stm32-mcu-nucleo/nucleo-l152re.html

main.cpp

Committer:
gitakichi
Date:
2016-06-28
Revision:
5:41f74665164b
Parent:
4:36164592a7ea

File content as of revision 5:41f74665164b:

#include "mbed.h"
#include "BME280.h"

Serial pc(SERIAL_TX, SERIAL_RX);

#if defined(TARGET_LPC1768)
BME280 sensor(p28, p27);
#else
BME280 sensor(I2C_SDA, I2C_SCL);
#endif

static double t0,p0;

void altitude_setup()
{
    t0 = sensor.getTemperature();
    p0 = sensor.getPressure();

}

double altitude_calc()
{
    double altitude;

    altitude = ((pow( p0 / sensor.getPressure() , 1 / 5.257) - 1) * (t0 + 273.15) ) / 0.0065;

    return altitude;
}


int main()
{

    float altitude;

    altitude_setup();


    while(1) {

        altitude = altitude_calc();

        pc.printf("%.1nlf\n\r",altitude);
        pc.printf("%2.2f degC, %04.2f hPa, %2.2f %%\n\r", sensor.getTemperature(), sensor.getPressure(), sensor.getHumidity());

        wait(0.2);

    }
}