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esp_task_wdt_add() function
Subscribe a task to the Task Watchdog Timer (TWDT) This function subscribes a task to the TWDT. Each subscribed task must periodically call esp_task_wdt_reset() to prevent the TWDT from elapsing its timeout period. Failure to do so will result in a TWDT timeout.
Syntax
Implemented in ![]()
task_wdt.c:667
Return value
- ESP_OK: Successfully subscribed the task to the TWDT - Other: Failed to subscribe task
Related Functions
Found 11 other functions taking a ![]()
tskTaskControlBlock
argument:
Function
Description
Find whether a task entry exists, and checks if all other entries have been reset
Unsubscribes a task from the Task Watchdog Timer (TWDT) This function will unsubscribe a task from the TWDT. After being unsubscribed, the task should no longer call esp_task_wdt_reset().
Write registers from the saved frame of a given task to the GDB register file
Query whether a task is subscribed to the Task Watchdog Timer (TWDT) This function will query whether a task is currently subscribed to the TWDT, or whether the TWDT is initialized.
The behavior of the Task Watchdog depends on the configuration from the `menuconfig`. It can be summarized as follow, regardless of the target: +------------------------+--------------------------------+--------------------------+ | \ Panic configuration | | | | +------------------+ | Panic Enabled | Panic Disabled | | TWDT triggered on \ | | | +------------------------+--------------------------------+--------------------------+ | | - Current core backtrace | - Current core backtrace | | Both Cores | - Crosscore TWDT abort | - Crosscore backtrace | | | - Wait for other core to abort | | +------------------------+--------------------------------+--------------------------+ | Other Core | - Crosscore TWDT abort | - Crosscore backtrace | +------------------------+--------------------------------+--------------------------+ | Current Core | - Abort from current CPU | - Current core backtrace | +------------------------+--------------------------------+--------------------------+
Delete task ensuring dynamic memory (for stack, tcb etc.) gets freed up immediately
Examples
Code
Location
Referrer
Call Tree
from 0/1 examplesesp_task_wdt_add() is called by 1 function and calls 4 functions:
Data Use
from 0/1 examplesesp_task_wdt_add() reads 7 variables: