adafruit/Adafruit_BMP085_Unified
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Update Adafruit_BMP085_U.cpp

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Kevin Townsend
2014-02-14 21:22:40 +01:00
parent 217e584677
commit 64d9b9e5bf
1 changed files with 3 additions and 3 deletions
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Adafruit_BMP085_U.cpp
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@@ -340,7 +340,7 @@ void Adafruit_BMP085_Unified::getTemperature(float *temp)
/**************************************************************************/ /**************************************************************************/
/*! /*!
Calculates the altitude (in meters) from the specified atmospheric Calculates the altitude (in meters) from the specified atmospheric
pressure (in hPa), sea-level pressure (in hPa), and temperature (in <20>C) pressure (in hPa), sea-level pressure (in hPa), and temperature (in <20>C)
@param seaLevel Sea-level pressure in hPa @param seaLevel Sea-level pressure in hPa
@param atmospheric Atmospheric pressure in hPa @param atmospheric Atmospheric pressure in hPa
@@ -358,7 +358,7 @@ float Adafruit_BMP085_Unified::pressureToAltitude(float seaLevel, float atmosphe
/* where: h = height (in meters) */ /* where: h = height (in meters) */
/* P0 = sea-level pressure (in hPa) */ /* P0 = sea-level pressure (in hPa) */
/* P = atmospheric pressure (in hPa) */ /* P = atmospheric pressure (in hPa) */
/* T = temperature (in <20>C) */ /* T = temperature (in <20>C) */
return (((float)pow((seaLevel/atmospheric), 0.190223F) - 1.0F) return (((float)pow((seaLevel/atmospheric), 0.190223F) - 1.0F)
* (temp + 273.15F)) / 0.0065F; * (temp + 273.15F)) / 0.0065F;
@@ -403,5 +403,5 @@ void Adafruit_BMP085_Unified::getEvent(sensors_event_t *event)
event->type = SENSOR_TYPE_PRESSURE; event->type = SENSOR_TYPE_PRESSURE;
event->timestamp = 0; event->timestamp = 0;
getPressure(&pressure_kPa); getPressure(&pressure_kPa);
event->pressure = pressure_kPa / 100.0F; /* kPa to hPa */ event->pressure = pressure_kPa / 100.0F;
} }