| /**************************************************************************** |
| * 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 */ |