assert_param macro

The assert_param macro is used for function's parameters check.

Syntax

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Declaration

from stm32f4xx_hal_conf.h:429

#define assert_param(expr) ((expr) ? (void)0 : assert_failed((uint8_t *)__FILE__, __LINE__))

Arguments

Argument

Description

expr

If expr is false, it calls assert_failed function which reports the name of the source file and the source line number of the call that failed. If expr is true, it returns no value.

assert_param macro

Syntax

Arguments

Return value

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