AN3985 datasheet(55/105 Pages) STMICROELECTRONICS

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AN3985

ISO/IEC 15693 layer

Doc ID 022255 Rev 2

55/105

ISO15693_Get_RFU_Flag function

This function returns the RFU flag. The function may need to be tailored when RFU will be

defined.

ISO15693_Get_NumberofByte_MemSize_using_ICREF function

This function returns the number of bytes used to describe the memory size of the

contactless tag (STMicroelectronics manufactured tag).

ISO15693_Get_Size_of_Block_using_ICRef function

This function returns the size of a block using the UID of the Tag (STMicroelectronics'

manufactured contactless tag).

Table 92.

ISO15693_Get_RFU_Flag function description

Prototype

u8 ISO15693_Get_RFU_Flag(const u8 Request_flags);

Input parameter

Request_flags: information flags containing the data

Output parameter

None

Return parameter

ISO15693_BIT8_RFU_SET: The RFU flag is set.

ISO15693_BIT8_RFU_RESET: The RFU flag is reset.

Table 93.

ISO15693_Get_NumberofByte_MemSize_using_ICREF function

description

Prototype

ISO15693_Get_NumberofByte_MemSize_using_ICREF(const

u8 ICRef);

Input parameter

ICRef: the ICref to compare with the one referenced in the miscellaneous.h file

(those available at the date of creation of this file; as a matter of fact, an update

should be necessary)

Output parameter

None

Return parameter

Number_of_Byte: the number of bytes composing the word

NO_ICREF_MATCHING: No Icref matches, 0 is returned.

Table 94.

ISO15693_Get_Size_of_Block_using_ICRef function description

Prototype

u8 ISO15693_Get_Size_of_Block_using_ICRef(const u8

ICRef);

Input parameter

ICRef: the ICref to compare with the one referenced in the miscellaneous.h file

(those available at the date of creation of this file; as a matter of fact, an update

should be necessary)

Output parameter

None

Return parameter

Number_of_Byte: the number of bytes composing a block

ISO15693_BLOCK_SIZE_ERROR: No Icref matches, 0 is returned

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