main.cpp

00001 #include <stdio.h>
00002 #include "mbed.h"
00003 #include "BMP180.h"
00004 
00005 Serial pc(P0_23,P0_25);
00006 DigitalOut led(P0_20);
00007 I2C i2c(P0_17, P0_18);
00008 BMP180 bmp180(&i2c);
00009 
00010 int main(void) 
00011 {
00012     led=0;
00013     while(1) 
00014     {
00015         if (bmp180.init() != 0) 
00016         {
00017             printf("Error communicating with BMP180\n");
00018             wait(1);
00019         } 
00020         else 
00021         {
00022             printf("Initialized BMP180\n");
00023             break;
00024         }
00025         wait(1);
00026     }
00027 
00028     while(1) 
00029     {
00030         bmp180.startTemperature();
00031         wait_ms(5);     // Wait for conversion to complete
00032         float temp;
00033         if(bmp180.getTemperature(&temp) != 0) 
00034         {
00035             printf("Error getting temperature\n");
00036             continue;
00037         }
00038         bmp180.startPressure(BMP180::ULTRA_LOW_POWER);
00039         wait_ms(10);    // Wait for conversion to complete
00040         int pressure;
00041         if(bmp180.getPressure(&pressure) != 0) 
00042         {
00043             printf("Error getting pressure\n");
00044             continue;
00045         }
00046 
00047         printf("Pressure = %d Pa Temperature = %f C\n", pressure, temp);
00048         wait(1);
00049     }
00050 }