cansat-d_2018 / HMC5883L

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Diff: HMC5883L.cpp

Revision:
7:3cf4fb613ebb
Parent:
6:48004ffd01c5
--- a/HMC5883L.cpp	Fri Oct 19 11:05:58 2018 +0000
+++ b/HMC5883L.cpp	Fri Oct 19 12:33:08 2018 +0000
@@ -98,9 +98,9 @@
     getXYZ(raw_data);
     double heading = atan2(static_cast<double>(raw_data[2]), static_cast<double>(raw_data[0])); // heading = arctan(Y/X) (Y/X)の逆正接
     // 角度範囲の補正
-    if(heading < 0.0) // fix sign
+    if(heading < -M_PI) // fix sign
         heading += PI2;
-    if(heading > PI2) // fix overflow
+    if(heading > M_PI) // fix overflow
         heading -= PI2;
     return heading;
 }
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