/****************************************************************************
* arch/arm/src/stm32/stm32_wdg.h
*
* Copyright (C) 2012 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* 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. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* 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 __ARCH_ARM_SRC_STM32_STM32_WDG_H
#define __ARCH_ARM_SRC_STM32_STM32_WDG_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include "chip.h"
#include "chip/stm32_wdg.h"
#ifdef CONFIG_WATCHDOG
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
#ifndef __ASSEMBLY__
#undef EXTERN
#if defined(__cplusplus)
#define EXTERN extern "C"
extern "C" {
#else
#define EXTERN extern
#endif
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: stm32_iwdginitialize
*
* Description:
* Initialize the IWDG watchdog time. The watchdog timer is intialized and
* registers as 'devpath. The initial state of the watchdog time is
* disabled.
*
* Input Parameters:
* devpath - The full path to the watchdog. This should be of the form
* /dev/watchdog0
* lsifreq - The calibrated LSI clock frequency
*
* Returned Values:
* None
*
****************************************************************************/
#ifdef CONFIG_STM32_IWDG
EXTERN void stm32_iwdginitialize(FAR const char *devpath, uint32_t lsifreq);
#endif
/****************************************************************************
* Name: stm32_wwdginitialize
*
* Description:
* Initialize the WWDG watchdog time. The watchdog timer is intialized and
* registers as 'devpath. The initial state of the watchdog time is
* disabled.
*
* Input Parameters:
* devpath - The full path to the watchdog. This should be of the form
* /dev/watchdog0
*
* Returned Values:
* None
*
****************************************************************************/
#ifdef CONFIG_STM32_WWDG
EXTERN void stm32_wwdginitialize(FAR const char *devpath);
#endif
#undef EXTERN
#if defined(__cplusplus)
}
#endif
#endif /* __ASSEMBLY__ */
#endif /* CONFIG_WATCHDOG */
#endif /* __ARCH_ARM_SRC_STM32_STM32_WDG_H */
