PQ_Hybrid_Electrical_Equipment_Team / pqLPS22HB_lib

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Dependents:   HYBRYD2018_IZU_ROCKET Hybrid_IZU201811_STMBBM_v4 Hybrid_IZU2019

Diff: pqLPS22HB_lib.cpp

Revision:
4:b5c758ebd064
Parent:
2:96d154c590f4
--- a/pqLPS22HB_lib.cpp	Wed Nov 14 09:15:47 2018 +0000
+++ b/pqLPS22HB_lib.cpp	Wed Feb 20 12:26:08 2019 +0000
@@ -131,3 +131,15 @@
     
     return -(273.0 + temp_0) / 0.0342 * log(pres_now / pres_0);
 }
+
+/**********
+高度を取得（float）
+※温度の高度による変化を考慮
+※こちらを推奨
+・引数に0m地点での気圧・温度を入れる
+・計算式のソース：http://zakii.la.coocan.jp/physics/31_pressure.htm
+**********/
+float pqLPS22HB_lib :: getAlt2(float P_0, float T_0){
+    pres = getPres();
+    return (273.0 + T_0) / 0.0065 * (1.0 - (float)pow((double)(pres / P_0), 0.190));
+}
\ No newline at end of file