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/* SPDX-License-Identifier: BSD-2-Clause */
/**
* @file
*
* This file describes the Watchdog Driver for all boards.
* A watchdog is a hardware device that will reset the board
* if not touched in a specific way at a regular interval.
* It is a simple, yet important, part of many embedded systems.
*/
/*
*
* COPYRIGHT (c) 1989-2008.
* On-Line Applications Research Corporation (OAR).
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS 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 _RTEMS_WATCHDOGDRV_H
#define _RTEMS_WATCHDOGDRV_H
#ifdef __cplusplus
extern "C" {
#endif
/**
* This macro defines the watchdog device driver entry points.
*/
#define WATCHDOG_DRIVER_TABLE_ENTRY \
{ Watchdog_initialize, NULL, NULL, NULL, NULL, Watchdog_control }
/**
* @brief Watchdog Driver Initialization
*
* This method initializes the watchdog hardware device. The device
* should be initialized as DISABLED since BSP initialization may
* take longer than the timeout period for the watchdog.
*
* @param[in] major is the watchdog device major number
* @param[in] minor is the watchdog device minor number
* @param[in] arguments points to device driver arguments
*/
rtems_device_driver Watchdog_initialize(
rtems_device_major_number major,
rtems_device_minor_number minor,
void *arguments
);
/**
* @brief Watchdog Driver IO Control
*
* This method implements the IO Control device driver entry
* point for the watchdog hardware device.
*
* @param[in] major is the watchdog device major number
* @param[in] minor is the watchdog device minor number
* @param[in] arguments points to device driver arguments
*/
rtems_device_driver Watchdog_control(
rtems_device_major_number major,
rtems_device_minor_number minor,
void *arguments
);
#ifdef __cplusplus
}
#endif
#endif
/* end of include file */
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