Unitech PA982 Manuel d'utilisateur télécharger pdf (Page 63)

11.4 Select Gen2 Tag

Function Description:

To only detect EPC Class1 Gen2 tags.

Function Call:

BOOL SelectGen2Tag (char *szData);

Parameter:

szData: Receive the Tag ID.

Return code:

TRUE: Select tag success.

FALSE: Select tag fail.

11.5 Read Data from Gen2 Tag’s Blocks

Function Description:

To read data from Gen2 tag’s blocks.

Function Call:

BOOL ReadGen2Block (char *szAddress, int nBlock, char *szData);

Parameter:

szAddress: The start address to read blocks.(For example : To address block #2 of the

EPC memory bank, the szAddress is “1002”, the “1” specifies the EPC memory bank and “002”

specifies the block memory(0x002))

nBlock: The number of blocks which user wants to read.

szData: Receive the block’s data.

Return code:

TRUE: Read blocks success.

FALSE: Read blocks fail.

11.6 Write Data to Gen2 Tag’s Blocks

Function Description:

To write data to Gen2 tag’s blocks.

Function Call:

BOOL WriteGen2Block (char *szAddress, int nBlock, char *szData);

Parameter:

szAddress: The block’s address.

nBlock: The number of blocks which user want to write.

szData: The data which user wants to write in the block and 1 block for 2 – bytes

data.

Return code:

TRUE: Write block data success.

FALSE: Write block data fail.

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Unitech PA982 Manuel d'utilisateur Page 63