AN3375 datasheet(48/73 Pages) STMICROELECTRONICS

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ISO15693 library (intermediate layer)

AN3375

48/73

Doc ID 018637 Rev 1

3.9.4

ISO15693_SplitReadSingleBlockResponse function

This function returns the different information extracted from the response to a

ReadSingleBlock command.

Table 74.

ISO15693_SplitMemorySizeInfo function description

Function description

Prototype

result = int8_t

ISO15693_SplitMemorySizeInfo (uc16

MemSizeInfo,uint8_t *BlockSize ,uint8_t

*NbBlocks);

Input parameter

MemSizeInfo: Memory size field

Output parameter

BlockSize: size of contactless tag memory block

NbBlocks: number of blocks in the contactless tag memory

Return parameter

RESULTOK

Table 75.

ISO15693_SplitReadSingleBlockResponse function description

Function description

Prototype

result = int8_t

ISO15693_SplitReadSingleBlockResponse

(uc8 *pResponse,uc8 Length,uc8

NbByteOfData,uc8 OptionFlag,uint8_t

*Flags ,uint8_t *SecurityStatus,uint8_t

*Data,uint8_t *ErrorCode);

Input parameter

pResponse: pointer to CR95HF response

Length: number of bytes of pResponse

NbByteOfData: block length expressed in bytes

OptionFlag: Option flag of request flags

Output parameter

Flags: response flags

SecurityStatus: block security status (optional)

Data: pointer to a block

ErrorCode: CR95HF Error code

Return parameter

ISO15693_ERRORCODE_CRCRESIDUE: the contactless

tag residue is erroneous

RESULTOK: the contactless tag response is validated

CR95HF_ERROR_CODE: the CR95HF returned an error

code

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