BME280 Sample
Dependencies: AQM0802 BME280 mbed
main.cpp
- Committer:
- yasuyuki
- Date:
- 2015-11-23
- Revision:
- 0:a45809ba4aab
File content as of revision 0:a45809ba4aab:
//**********************
// 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);
}
}