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119 lines
4.2 KiB
119 lines
4.2 KiB
/************************************************************************ |
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* sched/d_internal.h |
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* |
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* Copyright (C) 2007, 2009 Gregory Nutt. All rights reserved. |
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* Author: Gregory Nutt <gnutt@nuttx.org> |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in |
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* the documentation and/or other materials provided with the |
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* distribution. |
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* 3. Neither the name NuttX nor the names of its contributors may be |
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* used to endorse or promote products derived from this software |
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* without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS |
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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* POSSIBILITY OF SUCH DAMAGE. |
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* |
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************************************************************************/ |
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#ifndef __SCHED_WD_INTERNAL_H |
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#define __SCHED_WD_INTERNAL_H |
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/************************************************************************ |
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* Included Files |
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************************************************************************/ |
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#include <nuttx/config.h> |
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#include <stdint.h> |
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#include <stdbool.h> |
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#include <wdog.h> |
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#include <nuttx/compiler.h> |
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/************************************************************************ |
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* Pre-processor Definitions |
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************************************************************************/ |
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/************************************************************************ |
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* Public Type Declarations |
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************************************************************************/ |
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/* This is the watchdog structure. The WDOG_ID is a pointer to a |
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* watchdog structure. |
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*/ |
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struct wdog_s |
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{ |
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FAR struct wdog_s *next; /* Support for singly linked lists. */ |
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wdentry_t func; /* Function to execute when delay expires */ |
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#ifdef CONFIG_PIC |
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FAR void *picbase; /* PIC base address */ |
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#endif |
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int lag; /* Timer associated with the delay */ |
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bool active; /* true if the watchdog is actively timing */ |
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uint8_t argc; /* The number of parameters to pass */ |
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uint32_t parm[CONFIG_MAX_WDOGPARMS]; |
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}; |
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typedef struct wdog_s wdog_t; |
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/************************************************************************ |
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* Public Variables |
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************************************************************************/ |
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/* The g_wdfreelist data structure is a singly linked list of watchdogs |
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* available to the system for delayed function use. |
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*/ |
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extern sq_queue_t g_wdfreelist; |
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/* g_wdpool is a pointer to a list of pre-allocated watchdogs. The number |
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* of watchdogs in the pool is a configuration item. |
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*/ |
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extern FAR wdog_t *g_wdpool; |
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/* The g_wdactivelist data structure is a singly linked list ordered by |
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* watchdog expiration time. When watchdog timers expire,the functions on |
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* this linked list are removed and the function is called. |
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*/ |
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extern sq_queue_t g_wdactivelist; |
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/************************************************************************ |
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* Public Function Prototypes |
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************************************************************************/ |
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#ifdef __cplusplus |
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#define EXTERN extern "C" |
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extern "C" { |
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#else |
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#define EXTERN extern |
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#endif |
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EXTERN void weak_function wd_initialize(void); |
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EXTERN void weak_function wd_timer(void); |
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#undef EXTERN |
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#ifdef __cplusplus |
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} |
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#endif |
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#endif /* __SCHED_WD_INTERNAL_H */
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