hall_sensor_ISR.h

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/*
**
****************************************************************************
**
**
**             Copyright (c) 2005 - Atmel Corporation
**             Proprietary Information
**
** Project     : AT90CAN128 / ATmega88 / AT90PWM2 window-lift anti-pinch
** Module      : hall_sensor_ISR.h (Library)
** Description : Module, interrupt subroutine
**
**
**
** Version :     Date:         Author:      Comment:
**    1.0        June.2005    F.G.          Creation
**    1.1        July.2006    F.G.          Adaptability Improvements
**
**              Assumes 8MHz internal oscillator
**
**
**
**
**
** LICENSE -
**
** ATMEL - 2005
** All software programs are provided 'as is' without warranty of any kind:
** Atmel does not state the suitability of the provided materials for any
** purpose. Atmel hereby disclaim all warranties and conditions with regard
** to the provided software, including all implied warranties, fitness for
** a particular purpose, title and non-infringement.In no event will Atmel
** be liable for any indirect or consequential damages or any damages
** whatsoever resulting from the usage of the software program.
****************************************************************************
**
*/

#ifndef _HALL_SENSOR_ISR
#define _HALL_SENSOR_ISR

/*_____ I N C L U D E S ______________________________________________________*/

#include "config.h"

/*_____ T Y P E D E F - D E C L A R A T I O N ________________________________*/

/*_____ P R O T O T Y P E S - D E C L A R A T I O N __________________________*/

U16 get_position(void);

void put_position(U16);

signed int get_hall_delta_period(void);

/*_____ G L O B A L S ________________________________________________________*/

// Direction detected using hall sensor
// Range : [DOWNWARD, UPWARD]
extern U8 hall_direction;

#endif  //_HALL_SENSOR_ISR

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