added rotation for solos external mag

src/lib/conversion/rotation.cpp

@@ -239,5 +239,15 @@ rotate_3f(enum Rotation rot, float &x, float &y, float &z)
 			y = -z; z = -tmp;
 			return;
 		}
+
+	case ROTATION_YAW_293_PITCH_68_ROLL_90: {
+			float tmpx = x;
+	        float tmpy = y;
+	        float tmpz = z;
+	        x =  0.143039f * tmpx +  0.368776f * tmpy + -0.918446f * tmpz;
+	        y = -0.332133f * tmpx + -0.856289f * tmpy + -0.395546f * tmpz;
+	        z = -0.932324f * tmpx +  0.361625f * tmpy +  0.000000f * tmpz;
+	        return;
+		}
 	}
 }

src/lib/conversion/rotation.h

@@ -78,6 +78,7 @@ enum Rotation {
 	ROTATION_ROLL_180_PITCH_270  = 27,
 	ROTATION_PITCH_90_YAW_180    = 28,
 	ROTATION_PITCH_90_ROLL_90	 = 29,
+	ROTATION_YAW_293_PITCH_68_ROLL_90 = 30,
 	ROTATION_MAX
 };
 
@@ -117,7 +118,7 @@ const rot_lookup_t rot_lookup[] = {
 	{270,   0, 270 },
 	{180, 270,   0 },
 	{  0,  90, 180 },
-	{ 90,  90,   0 }
+	{ 90,  68, 293 },
 };
 
 /**