Update pressure calculation to use equations from BMP datasheet instead of wikipedia.

2014-09-19 13:57:19 -07:00
parent cf6e244865
commit 67ae2e69a6
3 changed files with 74 additions and 27 deletions
@@ -115,13 +115,12 @@ void loop(void)
    Serial.print(temperature);
    Serial.println(" C");

-    /* Then convert the atmospheric pressure, SLP and temp to altitude    */
+    /* Then convert the atmospheric pressure, and SLP to altitude         */
    /* Update this next line with the current SLP for better results      */
    float seaLevelPressure = SENSORS_PRESSURE_SEALEVELHPA;
    Serial.print("Altitude:    "); 
    Serial.print(bmp.pressureToAltitude(seaLevelPressure,
-                                        event.pressure,
-                                        temperature)); 
+                                        event.pressure)); 
    Serial.println(" m");
    Serial.println("");
  }