component_rtt.h
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/* ----------------------------------------------------------------------------
* SAM Software Package License
* ----------------------------------------------------------------------------
* Copyright (c) 2012, Atmel Corporation
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following condition is met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the disclaimer below.
*
* Atmel's name may not be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
* DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
* ----------------------------------------------------------------------------
*/
#ifndef _SAM3XA_RTT_COMPONENT_
#define _SAM3XA_RTT_COMPONENT_
#ifdef __cplusplus
extern "C" {
#endif
/* ============================================================================= */
/** SOFTWARE API DEFINITION FOR Real-time Timer */
/* ============================================================================= */
/** \ingroup SAM3X8E_cmsis */
/** \defgroup SAM3XA_RTT Real-time Timer */
/*@{*/
#if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
/** \brief Rtt hardware registers */
typedef struct {
RwReg RTT_MR; /**< \brief (Rtt Offset: 0x00) Mode Register */
RwReg RTT_AR; /**< \brief (Rtt Offset: 0x04) Alarm Register */
RoReg RTT_VR; /**< \brief (Rtt Offset: 0x08) Value Register */
RoReg RTT_SR; /**< \brief (Rtt Offset: 0x0C) Status Register */
} Rtt;
#endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
/* -------- RTT_MR : (RTT Offset: 0x00) Mode Register -------- */
#define RTT_MR_RTPRES_Pos 0
#define RTT_MR_RTPRES_Msk (0xffffu << RTT_MR_RTPRES_Pos) /**< \brief (RTT_MR) Real-time Timer Prescaler Value */
#define RTT_MR_RTPRES(value) ((RTT_MR_RTPRES_Msk & ((value) << RTT_MR_RTPRES_Pos)))
#define RTT_MR_ALMIEN (0x1u << 16) /**< \brief (RTT_MR) Alarm Interrupt Enable */
#define RTT_MR_RTTINCIEN (0x1u << 17) /**< \brief (RTT_MR) Real-time Timer Increment Interrupt Enable */
#define RTT_MR_RTTRST (0x1u << 18) /**< \brief (RTT_MR) Real-time Timer Restart */
/* -------- RTT_AR : (RTT Offset: 0x04) Alarm Register -------- */
#define RTT_AR_ALMV_Pos 0
#define RTT_AR_ALMV_Msk (0xffffffffu << RTT_AR_ALMV_Pos) /**< \brief (RTT_AR) Alarm Value */
#define RTT_AR_ALMV(value) ((RTT_AR_ALMV_Msk & ((value) << RTT_AR_ALMV_Pos)))
/* -------- RTT_VR : (RTT Offset: 0x08) Value Register -------- */
#define RTT_VR_CRTV_Pos 0
#define RTT_VR_CRTV_Msk (0xffffffffu << RTT_VR_CRTV_Pos) /**< \brief (RTT_VR) Current Real-time Value */
/* -------- RTT_SR : (RTT Offset: 0x0C) Status Register -------- */
#define RTT_SR_ALMS (0x1u << 0) /**< \brief (RTT_SR) Real-time Alarm Status */
#define RTT_SR_RTTINC (0x1u << 1) /**< \brief (RTT_SR) Real-time Timer Increment */
/*@}*/
#ifdef __cplusplus
}
#endif
#endif /* _SAM3XA_RTT_COMPONENT_ */