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Arduino/hardware/arduino/sam/system/libsam/include/rstc.h
2013-01-27 15:52:28 +01:00

79 lines
2.7 KiB
C

/**
* \file
*
* \brief Reset Controller (RSTC) driver for SAM.
*
* Copyright (c) 2011-2012 Atmel Corporation. All rights reserved.
*
* \asf_license_start
*
* \page License
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. The name of Atmel may not be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* 4. This software may only be redistributed and used in connection with an
* Atmel microcontroller product.
*
* 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
* EXPRESSLY AND SPECIFICALLY 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.
*
* \asf_license_stop
*
*/
#ifndef RSTC_H_INCLUDED
#define RSTC_H_INCLUDED
#include "../chip.h"
#ifdef __cplusplus
extern "C" {
#endif
/** Definitions of Reset Controller Status */
/** Reset cause */
#define RSTC_GENERAL_RESET (0 << RSTC_SR_RSTTYP_Pos)
#define RSTC_BACKUP_RESET (1 << RSTC_SR_RSTTYP_Pos)
#define RSTC_WATCHDOG_RESET (2 << RSTC_SR_RSTTYP_Pos)
#define RSTC_SOFTWARE_RESET (3 << RSTC_SR_RSTTYP_Pos)
#define RSTC_USER_RESET (4 << RSTC_SR_RSTTYP_Pos)
/** NRST Pin Level */
#define RSTC_NRST_LOW (LOW << 16)
#define RSTC_NRST_HIGH (HIGH << 16)
void rstc_set_external_reset(Rstc* p_rstc, const uint32_t ul_length);
void rstc_enable_user_reset(Rstc* p_rstc);
void rstc_disable_user_reset(Rstc* p_rstc);
void rstc_enable_user_reset_interrupt(Rstc* p_rstc);
void rstc_disable_user_reset_interrupt(Rstc* p_rstc);
void rstc_start_software_reset(Rstc* p_rstc);
void rstc_reset_extern(Rstc *p_rstc);
uint32_t rstc_get_status(Rstc* p_rstc);
uint32_t rstc_get_reset_cause(Rstc* p_rstc);
#ifdef __cplusplus
}
#endif
#endif /* RSTC_H_INCLUDED */