2015-12-18 14:25:34 +01:00

106 lines
4.0 KiB
C

/***************************************************************************//**
* @file rtcdriver.h
* @brief RTCDRV timer API definition.
* @version 4.2.1
*******************************************************************************
* @section License
* <b>(C) Copyright 2014 Silicon Labs, http://www.silabs.com</b>
*******************************************************************************
*
* This file is licensed under the Silabs License Agreement. See the file
* "Silabs_License_Agreement.txt" for details. Before using this software for
* any purpose, you must agree to the terms of that agreement.
*
******************************************************************************/
#ifndef __SILICON_LABS_RTCDRV_H__
#define __SILICON_LABS_RTCDRV_H__
#include <stdint.h>
#include <stdbool.h>
#include "ecode.h"
#include "rtcdrv_config.h"
#ifdef __cplusplus
extern "C" {
#endif
/***************************************************************************//**
* @addtogroup EM_Drivers
* @{
******************************************************************************/
/***************************************************************************//**
* @addtogroup RTCDRV
* @brief RTCDRV timer module, see @ref rtcdrv_doc page for detailed
* documentation.
* @{
******************************************************************************/
#define ECODE_EMDRV_RTCDRV_OK ( ECODE_OK ) ///< Success return value.
#define ECODE_EMDRV_RTCDRV_ALL_TIMERS_USED ( ECODE_EMDRV_RTCDRV_BASE | 0x00000001 ) ///< No timers available.
#define ECODE_EMDRV_RTCDRV_ILLEGAL_TIMER_ID ( ECODE_EMDRV_RTCDRV_BASE | 0x00000002 ) ///< Illegal timer id.
#define ECODE_EMDRV_RTCDRV_TIMER_NOT_ALLOCATED ( ECODE_EMDRV_RTCDRV_BASE | 0x00000003 ) ///< Timer is not allocated.
#define ECODE_EMDRV_RTCDRV_PARAM_ERROR ( ECODE_EMDRV_RTCDRV_BASE | 0x00000004 ) ///< Illegal input parameter.
#define ECODE_EMDRV_RTCDRV_TIMER_NOT_RUNNING ( ECODE_EMDRV_RTCDRV_BASE | 0x00000005 ) ///< Timer is not running.
/// @brief Timer ID.
typedef uint32_t RTCDRV_TimerID_t;
/***************************************************************************//**
* @brief
* Typedef for the user supplied callback function which is called when
* a timer elapse.
*
* @note This callback is called from within an interrupt handler with
* interrupts disabled.
*
* @param[in] id
* The timer id.
*
* @param[in] user
* Extra parameter for user application.
******************************************************************************/
typedef void (*RTCDRV_Callback_t)( RTCDRV_TimerID_t id, void *user );
/// @brief Timer type enumerator.
typedef enum {
rtcdrvTimerTypeOneshot=0, ///< Oneshot timer.
rtcdrvTimerTypePeriodic=1 ///< Periodic timer.
} RTCDRV_TimerType_t;
Ecode_t RTCDRV_AllocateTimer( RTCDRV_TimerID_t *id );
Ecode_t RTCDRV_DeInit( void );
Ecode_t RTCDRV_Delay( uint32_t ms );
Ecode_t RTCDRV_FreeTimer( RTCDRV_TimerID_t id );
Ecode_t RTCDRV_Init( void );
Ecode_t RTCDRV_IsRunning( RTCDRV_TimerID_t id, bool *isRunning );
Ecode_t RTCDRV_StartTimer( RTCDRV_TimerID_t id,
RTCDRV_TimerType_t type,
uint32_t timeout,
RTCDRV_Callback_t callback,
void *user );
Ecode_t RTCDRV_StopTimer( RTCDRV_TimerID_t id );
Ecode_t RTCDRV_TimeRemaining( RTCDRV_TimerID_t id, uint32_t *timeRemaining );
#if defined( EMDRV_RTCDRV_WALLCLOCK_CONFIG )
uint32_t RTCDRV_GetWallClock( void );
uint32_t RTCDRV_GetWallClockTicks32( void );
uint64_t RTCDRV_GetWallClockTicks64( void );
uint64_t RTCDRV_MsecsToTicks( uint32_t ms );
uint64_t RTCDRV_SecsToTicks( uint32_t secs );
Ecode_t RTCDRV_SetWallClock( uint32_t secs );
uint32_t RTCDRV_TicksToMsec( uint64_t ticks );
uint32_t RTCDRV_TicksToSec( uint64_t ticks );
#endif
/** @} (end addtogroup RTCDRV) */
/** @} (end addtogroup EM_Drivers) */
#ifdef __cplusplus
}
#endif
#endif /* __SILICON_LABS_RTCDRV_H__ */