rt-thread/bsp/efm32/drv_timer.h

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/***************************************************************************//**
* @file drv_timer.h
* @brief Timer driver of RT-Thread RTOS for EFM32
* COPYRIGHT (C) 2012, RT-Thread Development Team
* @author onelife
* @version 1.0
*******************************************************************************
* @section License
* The license and distribution terms for this file may be found in the file
* LICENSE in this distribution or at http://www.rt-thread.org/license/LICENSE
*******************************************************************************
* @section Change Logs
* Date Author Notes
* 2011-01-18 onelife Initial creation for EFM32
******************************************************************************/
#ifndef __DRV_TIMER_H__
#define __DRV_TIMER_H__
/* Includes ------------------------------------------------------------------*/
#include "hdl_interrupt.h"
/* Exported types ------------------------------------------------------------*/
struct efm32_timer_device_t
{
TIMER_TypeDef *timer_device;
efm32_irq_hook_t hook;
};
struct efm32_timer_control_t
{
rt_uint32_t period;
efm32_irq_hook_t hook;
};
/* Exported constants --------------------------------------------------------*/
/* Exported macro ------------------------------------------------------------*/
#define TMR_MODE_ONESHOT (true)
#define TMR_MODE_CONTINUOUS (false)
#define TMR_CFG_PRESCALER timerPrescale1024
/* Exported functions ------------------------------------------------------- */
void rt_hw_timer_init(void);
#endif /*__DRV_TIMER_H__ */