//! \file stm32_sys_tick.h
//! \author tkl
//! \date Feb 15, 2012
//! \brief Header file of the stm32f10x architecture dependent sys tick timer implementation.
#ifndef STM32_SYS_TICK_H_
#define STM32_SYS_TICK_H_

#include "timer.h"

typedef void* (*stm32_sys_tick_cb_t)(void*);	//!< callback for the external interrupt

//! \brief Type of sys tick base time.
enum stm32_sys_tick_time_base {
	STM32_SYS_TICK_TIME_BASE_NONE = 0,	//!< Not init
	STM32_SYS_TICK_TIME_BASE_US,		//!< Tick time = 1 us.
	STM32_SYS_TICK_TIME_BASE_MS			//!< Tick time = 1 ms.
};

//! \brief The sys tick device.
struct stm32_sys_tick {
	const enum stm32_sys_tick_time_base *tick_time_base;	//!< time base for the system tick
	stm32_sys_tick_cb_t sys_tick_cb;					//!< callback for the sys tick interrupt
	void *sys_tick_cb_param;							//!< parameter for the callback
};

//! \brief Open a sys tick timer.
//! \param sys_tick The sys tick to open. Must be of type const stm32_sys_tick_t*.
//! \return -1 in error case.
int stm32_sys_tick_open(const void *sys_tick);

//! \brief Close a sys tick timer.
//! \param sys_tick The sys tick to close. Must be of type const stm32_sys_tick_t*.
//! \return -1 in error case.
int stm32_sys_tick_close(const void *sys_tick);

//! \brief Set the call back for a sys tick timer.
//! \param sys_tick The sys tick to open. Mus be of type const stm32_sys_tick_t*.
//! \param callback The function pointer of the call back function.
//! \param param The parameter for the call back function.
//! \return -1 in error case.
int stm32_sys_tick_set_cb(const void *sys_tick, const void *callback, const void *param);

static const struct timer_fp timer_fp = {
		stm32_sys_tick_open,
		stm32_sys_tick_close,
		stm32_sys_tick_set_cb
};

#endif /* STM32_SYS_TICK_H_ */
