AN3224 datasheet(37/49 Pages) STMICROELECTRONICS

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AN3224

RF ISO 15693 Transparent commands

Doc ID 17559 Rev 2

37/49

' RF READ REQUEST RESULT

' if(lngStatus = 0) then PASS else FAIL

' if (lngRespDataLen = 0) then No transponder answer

' else strRespData contains the transponder answer

If (lngRespDataLen = 0) Then

RFReadsingleBlock = False

‘txtReadRF_answer.Text = "No detected Tag answer"

Else

If (Mid(strRespData, 1, 2) = "00") Then

RFReadsingleBlock = True

‘txtReadRF_answer.Text = strRespData & " = read single block

OK"

‘txtReadData.Text = Mid(strRespData, 3, 8)

Else

RFReadsingleBlock = False

‘txtReadRF_answer.Text = strRespData & " = Error code"

End If

End Function

6.2.2

Transparent Read single block command

C/C++ source code example

int RFReadsingleBlock (void)

{

int entry3;

int i;

int iRspLength=56;

int iReqLen,iRspLen,iResult;

unsigned char

sReqData[32]={0};

unsigned char

sRspData[32]={0};

/* RF READ SINGLE BLOCK request format */

/* FEIG reader parameters : 021F*/

/* Flag : 0A

/* RF Read single block command : 20*/

/* Address :01FA

(note : send FA01 = LSB BYTE first)*/

/* request = 021F + 0A20FA01*/

sReqData[0] = (UCHAR)0x02;

sReqData[1] = (UCHAR)0x1F;

sReqData[2] = (UCHAR)0x0A;

sReqData[3] = (UCHAR)0x20;

sReqData[4] = 0xFA

sReqData[5] = 0x01

iReqLen = 6; /* (number of characters :param=2 in request) */

printf("\n\n\n\n");

printf("\n>>> RF Read at adress %.2x%.2x : ",Address_parameter[0],

Address_parameter[1]);

printf("\n

--> request : {021F} ");

for (i=2; i<iReqLen; i++) printf("%.2X",sReqData[i]);

/* FEIG USB request in transparent mode */

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