BME280 Sample
Dependencies: AQM0802 BME280 mbed
Diff: main.cpp
- Revision:
- 0:a45809ba4aab
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Mon Nov 23 07:52:59 2015 +0000 @@ -0,0 +1,62 @@ +//********************** +// Hygrometer, Thermometer and Pressure for mbed +// +// LPC1768 flash=512KB, ADC=12bits +// LPC11U35 flash=64KB, ADC=10bits +// Nucleo ADC=12bits +// +// (C)Copyright 2015 All rights reserved by Y.Onodera +// http://einstlab.web.fc2.com +//********************** +#include "mbed.h" +#include "AQM0802.h" +#include "BME280.h" + +#if defined(TARGET_LPC1768) +I2C i2c(p28,p27); +#endif +// for TG-LPC11U35-501 +#if defined(TARGET_LPC11U35_501) +I2C i2c(P0_5,P0_4); +#endif +// for Nucleo +#if defined(TARGET_NUCLEO_F401RE) +I2C i2c(D14,D15); +#endif + +AQM0802 lcd(i2c); +BME280 bme280(i2c); + +int main() { + + char msg[10]; + float h; + float t; + float p; + + while(1) { + + h = bme280.humidity(); + h = h/1024; + sprintf(msg,"%5.2f%% ",h); + lcd.locate(0,0); + lcd.print(msg); + wait(2); + + t = bme280.temperature(); + t = t/100; + sprintf(msg,"%5.2fC ",t); + lcd.locate(0,0); + lcd.print(msg); + wait(2); + + p = bme280.pressure(); + p = p/256; + sprintf(msg,"%6.0fPa ",p); + lcd.locate(0,0); + lcd.print(msg); + wait(2); + } + +} +