AN3955 datasheet(55/68 Pages) STMICROELECTRONICS

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AN3955

SRIX4K library

Doc ID 022017 Rev 1

55/68

The SRIX4K_SplitSlotMarkerResponse function splits the SlotMarker contactless tag

response. Table 90 describes the SRIX4K_SplitSlotMarkerResponse function.

The SRIX4K_SplitSelectChipIDResponse function splits the SelectChipID

contactless tag response.

Table 91 describes the SRIX4K_SplitSelectChipIDResponse function.

Table 90.

SRIX4K_SplitSlotMarkerResponse function description

Prototype

int8_t SRIX4K_SplitSlotMarkerResponse(u

c8*ReaderResponse, uc8 Length,

uint8_t*ChipID);

Input parameter

ReaderResponse: Pointer to the CR95HF response

Length: Number of byte of Reader response

Output parameter

ChipID: Chip ID of a contactless tag

Return parameter

RESULTOK: Function is successful. Contactless tag

response validated.

CR95HF_ERROR_CODE: Function failed. The CR95HF

returns an error code.

SRIX4K_ERRORCODE_CRCRESIDUE: CRC16 residue is

incorrect.

Table 91.

SRIX4K_SplitSelectChipIDResponse function description

Prototype

int8_t SRIX4K_SplitSelectChipIDResponse

(uc8*ReaderResponse, uc8 Length,

uint8_t*ChipID);

Input parameter

ReaderResponse: Pointer to the CR95HF response

Length: Number of byte of Reader response

Output parameter

ChipID: Chip ID of a contactless tag

Return parameter

RESULTOK: Function is successful. Contactless tag

response is validated.

CR95HF_ERROR_CODE: Function failed. The CR95HF

returns an error code.

SRIX4K_ERRORCODE_CRCRESIDUE: CRC16 residue is

incorrect.

AN3955 Datasheet(PDF) 55 Page - STMicroelectronics

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