/**
  ******************************************************************************
  * @file    IncrEncoder.h
  * @author  CAVAILLES, Kevin and GÜLDENSTEIN, Jasper
  * @brief   Service for using the RF Module to transmit characters.
  ******************************************************************************
  */
#ifndef INCR_ENCODER_H
#define INCR_ENCODER_H

/**
  * @brief Initialziation function for the RF_OUTPUT module.
	* Peripherals used: TIM3, EXTI
	* Pins used: PA5 (incremental encoder index, interrupt)
	*            PA6 (incremental encoder channel a, TIM3 channel 1)
	*            PA7 (incremental encoder channel b, TIM3 channel 2)
  */
void INCR_ENCODER_Init(void);

/**
  * @brief Indicates whether the index has been passed at least once.
	*        If this is not the case, the reading is not absolute.
	* @retval state (0 or 1)
  */
int INCR_ENCODER_IsAbsolute(void);

/**
  * @brief Returns the angle reading of the incremental encoder
	* @retval -180 to 180 where 0 is the incremental encoder pointing towards the back of the boat
  */
float INCR_ENCODER_GetAngle(void);

#endif