AN3375 datasheet(30/73 Pages) STMICROELECTRONICS

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ISO15693 library (intermediate layer)

AN3375

30/73

Doc ID 018637 Rev 1

3.4.8

ISO15693_ReadMultipleBlocks function

This function sends a ReadMultipleBlocks command to the contactless tag.

3.4.9

ISO15693_Select function

This function sends a Select command to the contactless tag.

Table 31.

ISO15693_ReadMultipleBlocks function description

Function description

Prototype

result = int8_t

ISO15693_ReadMultipleBlocks (uc8 Flags,

uc8 *UIDin, uc8 BlockNumber, uc8

NbBlocks,uc8 AppendCRC, uc8

*CRC16,uint8_t *pResponse);

Input parameter

Flags: request flags

UIDin: pointer to contactless tag UID

BlockNumber: block index

NbBlocks: number of blocks to read

AppendCRC: CRC16 management

CRC16: pointer to user CRC16

Output parameter

pResponse: pointer to CR95HF response

Return parameter

RESULTOK: CR95HF returns a succeeded code

ERRORCODE_GENERIC: a parameter value is erroneous

or CR95HF returns an error code

Table 32.

ISO15693_Select function description

Function description

Prototype

result = int8_t ISO15693_Select (uc8

Flags, uc8 *UIDin, uc8 AppendCRC,uc8

*CRC16,uint8_t *pResponse);

Input parameter

Flags: request flags

UIDin: pointer to contactless tag UID

AppendCRC: CRC16 management

CRC16: pointer to user CRC16

Output parameter

pResponse: pointer to CR95HF response

Return parameter

RESULTOK: CR95HF returns a succeeded code

ERRORCODE_GENERIC: a parameter value is erroneous

or CR95HF returns an error code

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