component_rstc.h 3.88 KB
/* ----------------------------------------------------------------------------
 *         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_RSTC_COMPONENT_
#define _SAM3XA_RSTC_COMPONENT_

#ifdef __cplusplus
extern "C" {
#endif

/* ============================================================================= */
/**  SOFTWARE API DEFINITION FOR Reset Controller */
/* ============================================================================= */
/** \ingroup SAM3X8E_cmsis */
/** \defgroup SAM3XA_RSTC Reset Controller */
/*@{*/

#if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
/** \brief Rstc hardware registers */
typedef struct {
  WoReg RSTC_CR; /**< \brief (Rstc Offset: 0x00) Control Register */
  RoReg RSTC_SR; /**< \brief (Rstc Offset: 0x04) Status Register */
  RwReg RSTC_MR; /**< \brief (Rstc Offset: 0x08) Mode Register */
} Rstc;
#endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
/* -------- RSTC_CR : (RSTC Offset: 0x00) Control Register -------- */
#define RSTC_CR_PROCRST (0x1u << 0) /**< \brief (RSTC_CR) Processor Reset */
#define RSTC_CR_PERRST (0x1u << 2) /**< \brief (RSTC_CR) Peripheral Reset */
#define RSTC_CR_EXTRST (0x1u << 3) /**< \brief (RSTC_CR) External Reset */
#define RSTC_CR_KEY_Pos 24
#define RSTC_CR_KEY_Msk (0xffu << RSTC_CR_KEY_Pos) /**< \brief (RSTC_CR) Password */
#define RSTC_CR_KEY(value) ((RSTC_CR_KEY_Msk & ((value) << RSTC_CR_KEY_Pos)))
/* -------- RSTC_SR : (RSTC Offset: 0x04) Status Register -------- */
#define RSTC_SR_URSTS (0x1u << 0) /**< \brief (RSTC_SR) User Reset Status */
#define RSTC_SR_RSTTYP_Pos 8
#define RSTC_SR_RSTTYP_Msk (0x7u << RSTC_SR_RSTTYP_Pos) /**< \brief (RSTC_SR) Reset Type */
#define RSTC_SR_NRSTL (0x1u << 16) /**< \brief (RSTC_SR) NRST Pin Level */
#define RSTC_SR_SRCMP (0x1u << 17) /**< \brief (RSTC_SR) Software Reset Command in Progress */
/* -------- RSTC_MR : (RSTC Offset: 0x08) Mode Register -------- */
#define RSTC_MR_URSTEN (0x1u << 0) /**< \brief (RSTC_MR) User Reset Enable */
#define RSTC_MR_URSTIEN (0x1u << 4) /**< \brief (RSTC_MR) User Reset Interrupt Enable */
#define RSTC_MR_ERSTL_Pos 8
#define RSTC_MR_ERSTL_Msk (0xfu << RSTC_MR_ERSTL_Pos) /**< \brief (RSTC_MR) External Reset Length */
#define RSTC_MR_ERSTL(value) ((RSTC_MR_ERSTL_Msk & ((value) << RSTC_MR_ERSTL_Pos)))
#define RSTC_MR_KEY_Pos 24
#define RSTC_MR_KEY_Msk (0xffu << RSTC_MR_KEY_Pos) /**< \brief (RSTC_MR) Password */
#define RSTC_MR_KEY(value) ((RSTC_MR_KEY_Msk & ((value) << RSTC_MR_KEY_Pos)))

/*@}*/

#ifdef __cplusplus
}
#endif

#endif /* _SAM3XA_RSTC_COMPONENT_ */