main.cpp

00001 //**********************
00002 // Hygrometer, Thermometer and Pressure for mbed
00003 //
00004 // LPC1768 flash=512KB, ADC=12bits
00005 // LPC11U35 flash=64KB, ADC=10bits
00006 // Nucleo ADC=12bits
00007 //
00008 // (C)Copyright 2015 All rights reserved by Y.Onodera
00009 // http://einstlab.web.fc2.com
00010 //**********************
00011 #include "mbed.h"
00012 #include "AQM0802.h"
00013 #include "BME280.h"
00014 
00015 #if defined(TARGET_LPC1768)
00016 I2C i2c(p28,p27);
00017 #endif
00018 // for TG-LPC11U35-501
00019 #if defined(TARGET_LPC11U35_501)
00020 I2C i2c(P0_5,P0_4);
00021 #endif
00022 // for Nucleo
00023 #if defined(TARGET_NUCLEO_F401RE)
00024 I2C i2c(D14,D15);
00025 #endif
00026 
00027 AQM0802 lcd(i2c);
00028 BME280 bme280(i2c);
00029 
00030 int main() {
00031     
00032     char msg[10];
00033     float h;
00034     float t;
00035     float p;
00036       
00037     while(1) {
00038 
00039         h = bme280.humidity();
00040         h = h/1024;
00041         sprintf(msg,"%5.2f%%  ",h);
00042         lcd.locate(0,0);
00043         lcd.print(msg);
00044         wait(2);
00045 
00046         t = bme280.temperature();
00047         t = t/100;
00048         sprintf(msg,"%5.2fC  ",t);
00049         lcd.locate(0,0);
00050         lcd.print(msg);
00051         wait(2);
00052 
00053         p = bme280.pressure();
00054         p = p/256;
00055         sprintf(msg,"%6.0fPa ",p);
00056         lcd.locate(0,0);
00057         lcd.print(msg);
00058         wait(2);
00059     }
00060 
00061 }
00062