AN3224 datasheet(40/49 Pages) STMICROELECTRONICS

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RF ISO 15693 Transparent commands

AN3224

40/49

Doc ID 17559 Rev 2

6.3.1

Transparent Write single block command

Visual Basic source code example

Private Function WriteSingleBlockRF() As Boolean

Dim strReqData As String

Dim lngReqDataLen As Long

Dim lngRspLength As Long

Dim strRespData As String * 512 ' has to be formatted

Dim lngRespDataLen As Long

Dim lngStatus As Long

'init display

‘txtWriteRF_answer.Text = ""

lngRspLength = &H18 'FEIG response length

' RF WRITE SINGLE BLOCK request

' FEIG reader parameters 0X021F

' Flag

0x0A

' RF Write Single Block command 0X21

' Address 0x01FA :

send FA01

' Data

0x01020304

strReqData = "021F0A21FA0101020304"

lngReqDataLen = Len(strReqData)

lngStatus = _

FEISC_0xBF_ISOTranspCmd(lngAttachedDeviceHandle(0), &HFF, _

&H2, lngRspLength, _

strReqData, lngReqDataLen, _

strRespData, lngRespDataLen, _

Table 20.

Example of Write single block command in C/C++

FEISC_0xBF_ISOTranspCmd parameters

Parameters

IFeiscHandle: USB Handle

0xFF: Communication address

M: 2 (Write mode)

lRspLength: 0x18

strReqData:

021F: Reader parameter

0A: RF protocol flag request

21: RF ISO 15693 Write single block command

FA01: address 0x01FA

01020304: data to be written

lReqLen: 10

&sRspData: answer from Transponder (if any)

&lRspLen: size of sRspData

N: 2 (data expressed in hexadecimal bytes)

Returned value

Error code

Example

iResult = FEISC_0xBF_ISOTranspCmd(iFeiscHandle, 0xFF,

2, iRspLength,’021F0A20FA01’, iReqLen,

&sRspData[0],&iRspLen, 2);

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