LIS2DH - Adding support for the new accelerometer (#216)

+ Creates a new driver for the LIS2DH accelerometer
+ Fixes timing issues since we're already touching a chunk of code

The LIS2DH driver should output similar numbers to the old MMA accelerometer.

Fixes #202
Fixes #189

workspace/TS100/inc/LIS2DH12.hpp

@@ -0,0 +1,27 @@
+/*
+ * LIS2DH12.hpp
+ *
+ *  Created on: 27Feb.,2018
+ *      Author: Ralim
+ */
+
+#ifndef LIS2DH12_HPP_
+#define LIS2DH12_HPP_
+#include "stm32f1xx_hal.h"
+#include "LIS2DH12_defines.hpp"
+class LIS2DH12 {
+public:
+	LIS2DH12(I2C_HandleTypeDef* i2cHandle);
+	void initalize();
+	uint8_t getOrientation();
+	void getAxisReadings(int16_t *x, int16_t *y, int16_t *z);
+
+private:
+	void setSensitivity(uint8_t threshold, uint8_t filterTime);	// Sets the sensitivity of the unit
+
+	void I2C_RegisterWrite(uint8_t reg, uint8_t data);
+	uint8_t I2C_RegisterRead(uint8_t reg);
+	I2C_HandleTypeDef* i2c;
+};
+
+#endif /* LIS2DH12_HPP_ */