AN3985 datasheet(25/105 Pages) STMICROELECTRONICS

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AN3985

CR95HF low level layer

Doc ID 022255 Rev 2

25/105

Is_NSS_Interrupt_Wake_up_Condition function

This function returns whether an interrupt on NSS is a wake-up condition or not.

Is_Tag_Detected_Wake_up_Condition function

This function returns whether a tag detection is a wake-up condition or not.

Is_Timeout_Wake_up_Condition function

This function returns whether the internal timer is a wake-up condition.

Table 31.

Is_NSS_Interrupt_Wake_up_Condition function description

Prototype

u8 CR95HF_Is_NSS_Interrupt_Wake_up_Condition(u8 WUFlags);

Input parameter

WUFlags: the byte containing the expected data

Output parameter

None

Return parameter

TRUE_CODE: An interrupt on IRQ_IN is a wake-up condition.

FALSE_CODE: An interrupt on IRQ_IN is not a wake-up condition.

Table 32.

Is_Tag_Detected_Wake_up_Condition function description

Prototype

u8 CR95HF_Is_Tag_Detected_Wake_up_Condition_(u8 WUFlags);

Input parameter

WUFlags: the byte containing the expected data

Output parameter

None

Return parameter

TRUE_CODE: A tag detection is a wake-up condition.

FALSE_CODE: A tag detection is not a wake-up condition.

Table 33.

Is_Tag_Detected_Wake_up_Condition function description

Prototype

u8 CR95HF_Is_Timeout_Wake_up_Condition(u8 WUFlags);

Input parameter

WUFlags: the byte containing the expected data

Output parameter

None

Return parameter

TRUE_CODE: An interrupt on IRQ_IN is a wake-up condition.

FALSE_CODE: An interrupt on IRQ_IN is not a wake-up condition.

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