mirror of
https://github.com/google/pebble
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50 lines
1.8 KiB
C
50 lines
1.8 KiB
C
/*
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* Copyright 2024 Google LLC
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include <stdbool.h>
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#include "freertos_types.h"
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#include "kernel/pebble_tasks.h"
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#define TASK_WATCHDOG_PRIORITY 0x1
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void task_watchdog_init(void);
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//! Feed the watchdog for a particular task. If a task doesn't call this function frequently
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//! enough and it's mask is set we will eventually trigger a reboot.
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void task_watchdog_bit_set(PebbleTask task);
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//! Feed all task watchdogs bits. Don't use this unless you have to, as ideally all tasks should be
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//! managing their own bits. If you're using this you're probably hacking around something awful.
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void task_watchdog_bit_set_all(void);
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//! @return bool Wether this task is being tracked by the task watchdog.
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bool task_watchdog_mask_get(PebbleTask task);
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//! Starts tracking a particular task using the task watchdog. The task must regularly call
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//! task_watchdog_bit_set if task_watchdog_mask_set is set.
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void task_watchdog_mask_set(PebbleTask task);
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//! Removes a task from the task watchdog. This task will no long need to call
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//! task_watchdog_bit_set regularly.
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void task_watchdog_mask_clear(PebbleTask task);
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//! Should only be called if the task_watchdog timer has been halted for some reason
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//! (For example, when we are in stop mode)
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void task_watchdog_step_elapsed_time_ms(uint32_t elapsed_ms);
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