fix: change float to int16_t for quaternion functions

Author: sergiotomasello

src/NAxisMotion.cpp

@@ -1186,7 +1186,7 @@ float NAxisMotion::readMag(int axis)
 }
 
 /* Quaternion */
-void NAxisMotion::readQuaternion(float& w, float& x, float& y, float& z)
+void NAxisMotion::readQuaternion(int16_t& w, int16_t& x, int16_t& y, int16_t& z)
 {
 	if (dataUpdateMode == AUTO)
 	{
@@ -1198,7 +1198,7 @@ void NAxisMotion::readQuaternion(float& w, float& x, float& y, float& z)
 	z = quatData.z;
 }
 
-float NAxisMotion::readQuaternion(int axis)
+int16_t NAxisMotion::readQuaternion(int axis)
 {
 	if (dataUpdateMode == AUTO)
 	{
@@ -1215,12 +1215,12 @@ float NAxisMotion::readQuaternion(int axis)
 	}
 }
 
-void NAxisMotion::readQuat(float& w, float& x, float& y, float& z)
+void NAxisMotion::readQuat(int16_t& w, int16_t& x, int16_t& y, int16_t& z)
 {
 	readQuaternion(w, x, y, z);
 }
 
-float NAxisMotion::readQuat(int axis)
+int16_t NAxisMotion::readQuat(int axis)
 {
 		return readQuaternion(axis);
 }

src/NAxisMotion.h

@@ -741,10 +741,10 @@ class NAxisMotion {
 	float readMag(int axis);
 
 	/* QUATERNION */
-	void readQuaternion(float& w, float& x, float& y, float& z);
-	float readQuaternion(int axis);
-	void readQuat(float& w, float& x, float& y, float& z);
-	float readQuat(int quaternion);
+	void readQuaternion(int16_t& w, int16_t& x, int16_t& y, int16_t& z);
+	int16_t readQuaternion(int axis);
+	void readQuat(float& w, int16_t& x, int16_t& y, int16_t& z);
+	int16_t readQuat(int quaternion);
 
 };