AN3224 datasheet(29/49 Pages) STMICROELECTRONICS

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AN3224

RF ISO 15693 High-level commands

Doc ID 17559 Rev 2

29/49

Else

Cmd_Inventory_FEIG = True

‘lngTranspNumber & " Tags Detected"

For i = 0 To lngTranspNumber - 1

strtransponder = Mid(strRespData, 3 + (20 * (i)), 20)

Next i

End If

' after INVENTORY request, all transponders are in QUIET mode

' RESET TO READY request is sent to Wake Up transponders

Call cmd_ResetToReadyRF_FEIG

End Function

5.2.2

Example of High-level Inventory command

C/C++ source code

int Cmd_Inventory_FEIG (void)

{

int entry3;

int i;

UCHAR sReqData[64]={0};

UCHAR sRspData[64]={0};

int

iReqLen,iRspLen;

int

iResult, iResult2;

int

iRspLength=56;

/* Inventory request HOST MODE command : B0 + 0100 */

sReqData[0] = (UCHAR)0x01;

sReqData[1] = (UCHAR)0x00;

iReqLen = 2;

/* (number of bytes :param=2 in request) */

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

printf("\n>>> INVENTORY request in ISO mode : ");

printf("\n

--> request : ");

for (i=0; i<iReqLen; i++) printf("%.2x",sReqData[i]);

/* FEIG USB INVENTORY request in HOST MODE command */

iResult = FEISC_0xB0_ISOCmd(iFeiscHandle,0xFF,

sReqData, iReqLen,/* request */

&sRspData[0], &iRspLen,/* answer */

2);/* length format 2 : Number of Bytes */

printf("\n

--> answer

: ");

if (iRspLen == 0)

printf("No tag answer received");

else

for (i=0; i<iRspLen; i++) printf("%c",sRspData[i]);

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

printf("\npress any key to continue");

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