AN3985 datasheet(50/105 Pages) STMICROELECTRONICS

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ISO/IEC 15693 layer

AN3985

50/105

Doc ID 022255 Rev 2

ISO15693_Is_TagConstructor_STM function

This function returns TRUE_CODE if the tag has been made by STMicroelectronics; the UID

of the tag must be known.

ISO15693_Is_Memory_programming function

This function returns if the contactless tag performs a memory programming by processing

the command (write, lock).

ISO15693_Is_DSFID_Present_Infoflag function

This function returns if the DSFID field is present within the contactless tag answer to a get

system information command.

Table 77.

ISO15693_Is_TagConstructor_STM function description

Prototype

u8 ISO15693_Is_TagConstructor_STM ( ISO15693_Tag*

MyTag);

Input parameter

MyTag: pointer on the structure containing the UID.

Output parameter

None

Return parameter

TRUE_CODE: STMicroelectronics is the manufacturer.

FALSE_CODE: STMicroelectronics is not the manufacturer.

Table 78.

ISO15693_Is_Memory_programming function description

Prototype

u8 ISO15693_Is_Memory_programming_function (const u8

ISO15693_cmd_code);

Input parameter

ISO15693_cmd_code: command code

Output parameter

None

Return parameter

TRUE_CODE: The command is a memory programming command.

FALSE_CODE: The command does not perform a memory programming.

Table 79.

ISO15693_Is_DSFID_Present_Infoflag function description

Prototype

u8 ISO15693_Is_DSFID_Present_Infoflag(const

Information_flags);

Input parameter

Information_Flags: first byte transmitted by the contactless tag containing the

information

Output parameter

None

Return parameter

TRUE_CODE: DSFID is supported.

FALSE_CODE: DSFID is not supported.

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