esp_cpu_intr_has_handler() function

Check if a particular interrupt already has a handler function Check if a particular interrupt on the current CPU already has a handler function assigned.

Syntax

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Summary

Declaration

from esp_cpu.h:324

FORCE_INLINE_ATTR bool esp_cpu_intr_has_handler(int intr_num);

Arguments

Argument

Description

intr_num

Interrupt number (from 0 to 31)

Return value

True if the interrupt has a handler function, false otherwise.

Notes

This function simply checks if the IVT of the current CPU already has a handler assigned.

References

Code

Location

Referrer

FORCE_INLINE_ATTR bool esp_cpu_intr_has_handler(int intr_num)

esp_cpu.h:324

} else if (esp_cpu_intr_has_handler(x)) {

intr_alloc.c:322

is_vect_desc_usable()

Call Tree

esp_cpu_intr_has_handler() is called by 1 function and calls 3 functions:

is_vect_desc_usable()

esp_cpu_intr_has_handler()

esp_cpu_get_core_id()

__assert_func()

xt_int_has_handler()

Data Use

esp_cpu_intr_has_handler():

esp_cpu_intr_has_handler()

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