Domotique/WifiControlSensor/BMP180.ino
2016-03-25 00:06:33 +01:00

46 lines
905 B
C++

// Get Current altitude with http://fr.mygeoposition.com/
#define ALTITUDE 130
SFE_BMP180 bmp180;
int bmp180Connected = 0;
int BMP180Setup() {
bmp180Connected = bmp180.begin(SDA, SCL);
return bmp180Connected;
}
bool BMP180IsConnected() {
return bmp180Connected != 0;
}
int BMP180GetTemperature(double &t) {
char status;
status = bmp180.startTemperature();
if (status != 0)
{
// Wait for the measurement to complete:
delay(status);
status = bmp180.getTemperature(t);
if (status != 0)
return 0;
}
return -1;
}
int BMP180GetTempAndPressure(double &t, double &p) {
if (BMP180GetTemperature(t) == 0) {
char status;
status = bmp180.startPressure(3);
if (status != 0)
{
delay(status);
status = bmp180.getPressure(p, t);
if (status != 0){
p = bmp180.sealevel(p, ALTITUDE);
return 0;
}
}
}
return -1;
}