AN3224 datasheet(24/49 Pages) STMICROELECTRONICS

Part #	AN3224

Description	Developing an application allowing PR101-USB and MR101-USB FEIG readers to communicate with M24LRXX transponders

PDF	49 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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24 / 49 page

PR101-USB and MR101-USB reader detection

AN3224

24/49

Doc ID 17559 Rev 2

FEUSB_GetScanListPara( 0, "FamilyName", sDeviceFamilyName ) ;

FEUSB_GetScanListPara( 0, "Present", sDevicePresence ) ;

/* convert receive data in hexa format */

sscanf((const char*)sDeviceSerialNumber, "%lx",

&dwDeviceSerialNumber);

/* Open Communciation with one FEIG USB device */

/* and get USB hanle for FEUSB functions */

iDeviceHandle = FEUSB_OpenDevice(dwDeviceSerialNumber);

if (iDeviceHandle < 0)

{

/* Error : USB connection problem */

/* Close USB connection */

iErr = FEUSB_CloseDevice(iDeviceHandle);

return 0;

}

/* Link FEIG USB device with FEISC functions */

/* and get USB hanle */

iFeiscHandle = FEISC_NewReader( iDeviceHandle );

if (iFeiscHandle < 0)

{

/* Error : USB connection problem */

/* Close USB connection */

iErr = FEISC_DeleteReader( iFeiscHandle );

return 0;

}

Else

{

/* USB connection OK */

/* iDeviceHandle is handle for FEUSB functions */

/* iFeiscHandle is handle for FEISC functions */

return 1;

}

AN3224 Datasheet(PDF) 24 Page - STMicroelectronics