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59 lines
1.3 KiB
C
59 lines
1.3 KiB
C
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/*
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* Copyright (C) 2022 ML!PA Consulting GmbH
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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/**
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* @ingroup sys_auto_init
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* @{
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*
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* @file wdt.c
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* @brief Watchdog Thread
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*
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* @author Benjamin Valentin <benjamin.valentin@ml-pa.com>
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*
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* @}
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*/
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#include "auto_init.h"
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#include "auto_init_utils.h"
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#include "auto_init_priorities.h"
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#include "architecture.h"
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#include "periph/wdt.h"
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#include "ztimer.h"
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#ifndef WDT_THREAD_STACKSIZE
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#if DEVELHELP
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#define WDT_THREAD_STACKSIZE THREAD_STACKSIZE_SMALL
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#else
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#define WDT_THREAD_STACKSIZE THREAD_STACKSIZE_TINY
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#endif
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#endif
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static char WORD_ALIGNED wdt_stack[WDT_THREAD_STACKSIZE];
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static void *_wdt_thread(void *ctx)
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{
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(void)ctx;
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unsigned sleep_ms = (CONFIG_PERIPH_WDT_WIN_MIN_MS + CONFIG_PERIPH_WDT_WIN_MAX_MS)
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/ 2;
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while (1) {
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ztimer_sleep(ZTIMER_MSEC, sleep_ms);
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wdt_kick();
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}
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return NULL;
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}
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static void auto_init_wdt_thread(void)
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{
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thread_create(wdt_stack, sizeof(wdt_stack), THREAD_PRIORITY_MIN,
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THREAD_CREATE_STACKTEST, _wdt_thread, NULL, "watchdog");
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}
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AUTO_INIT(auto_init_wdt_thread, AUTO_INIT_PRIO_WDT_THREAD);
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