main.cpp

00001 #include "mbed.h"
00002 #include "MPL3115A2.h"
00003  
00004 I2C i2c(p28, p27);       // sda, scl
00005  
00006 // Comment out all of the references to 'pc' on this page if you don't have the 
00007 // serial debug driver for your mbed board installed on your computer. If you do,
00008 // I personally like to use Putty as the terminal window to capture debug messages.
00009 Serial pc(USBTX, USBRX); // tx, rx
00010  
00011 // Again, remove the '&pc' parameter is you're not debugging.
00012 MPL3115A2 sensor(&i2c, &pc);
00013  
00014 DigitalOut myled(LED1);     // Sanity check to make sure the program is working.
00015 DigitalOut powerPin(p21);   // <-- I powered the sensor from a pin. You don't have to.
00016  
00017 int main() {
00018     
00019     powerPin = 1;
00020     wait_ms(300);
00021  
00022     pc.printf("** MPL3115A2 SENSOR **\r\n");
00023     sensor.init();
00024  
00025     Altitude a;
00026     Temperature t;
00027     Pressure p;
00028     
00029     // Offsets for Dacula, GA
00030     sensor.setOffsetAltitude(83);
00031     sensor.setOffsetTemperature(20);
00032     sensor.setOffsetPressure(-32);
00033     
00034     while(1) 
00035     {
00036         sensor.readAltitude(&a);
00037         sensor.readTemperature(&t);
00038         
00039         sensor.setModeStandby();
00040         sensor.setModeBarometer();
00041         sensor.setModeActive();
00042         sensor.readPressure(&p);
00043         
00044         pc.printf("Altitude: %sft, Temp: %sºF, Pressure: %sPa\r\n", a.print(), t.print(), p.print());
00045         
00046         sensor.setModeStandby();
00047         sensor.setModeAltimeter();
00048         sensor.setModeActive();
00049         
00050         wait(1.0);
00051     }
00052 }