| /**************************************************************************** |
| * arch/arm/src/nrf52/nrf52_wdt_lowerhalf.h |
| * |
| * Copyright (C) 2018 Zglue Inc. All rights reserved. |
| * Author: Levin Li <zhiqiang@zglue.com> |
| * Author: Alan Carvalho de Assis <acassis@gmail.com> |
| * |
| * 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_NRF52_NRF52_WDT_LOWERHALF_H |
| #define __ARCH_ARM_SRC_NRF52_NRF52_WDT_LOWERHALF_H |
| |
| /**************************************************************************** |
| * Included Files |
| ****************************************************************************/ |
| |
| #include <nuttx/config.h> |
| |
| /**************************************************************************** |
| * Pre-processor Definitions |
| ****************************************************************************/ |
| |
| /**************************************************************************** |
| * Public Types |
| ****************************************************************************/ |
| |
| enum wdt_behaviour_e |
| { |
| WDG_PAUSE = 0, |
| WDG_RUN = 1 |
| }; |
| |
| /**************************************************************************** |
| * Public Data |
| ****************************************************************************/ |
| |
| #ifdef __cplusplus |
| #define EXTERN extern "C" |
| extern "C" |
| { |
| #else |
| #define EXTERN extern |
| #endif |
| |
| /**************************************************************************** |
| * Inline Functions |
| ****************************************************************************/ |
| |
| /**************************************************************************** |
| * Public Function Prototypes |
| ****************************************************************************/ |
| |
| /**************************************************************************** |
| * Name: nrf52_wdt_initialize |
| * |
| * Description: |
| * Initialize the WDT watchdog time. The watchdog timer is initialized 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 |
| * mode_sleep - The behaviour of watchdog when CPU enter sleep mode |
| * mode_halt - The behaviour of watchdog when CPU was HALT by |
| * debugger |
| * |
| * Returned Values: |
| * Zero (OK) is returned on success; a negated errno value is returned on |
| * any failure. |
| * |
| ****************************************************************************/ |
| |
| int nrf52_wdt_initialize(const char *devpath, int16_t mode_sleep, |
| int16_t mode_halt); |
| |
| #endif /* __ARCH_ARM_SRC_NRF52_NRF52_WDT_LOWERHALF_H */ |
