/*
ccid_usb.c: USB access routines using the libusb library
Copyright (C) 2003-2004 Ludovic Rousseau
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/*
* $Id: ccid_usb.c 2691 2007-11-16 13:26:40Z rousseau $
*/
#define __CCID_USB__
#include <stdio.h>
#include <string.h>
#include <errno.h>
# ifdef S_SPLINT_S
# include <sys/types.h>
# endif
#include <usb.h>
#include "misc.h"
#include "ccid.h"
#include "config.h"
#include "debug.h"
#include "defs.h"
#include "utils.h"
#include "parser.h"
#include "ccid_ifdhandler.h"
/* write timeout
* we don't have to wait a long time since the card was doing nothing */
#define USB_WRITE_TIMEOUT (5 * 1000) /* 5 seconds timeout */
/*
* Proprietary USB Class (0xFF) are (or are not) accepted
* A proprietary class is used for devices released before the final CCID
* specifications were ready.
* We should not have problems with non CCID devices becasue the
* Manufacturer and Product ID are also used to identify the device */
#define ALLOW_PROPRIETARY_CLASS
#define BUS_DEVICE_STRSIZE 32
typedef struct
{
usb_dev_handle *handle;
char *dirname;
char *filename;
int interface;
/*
* Endpoints
*/
int bulk_in;
int bulk_out;
/* Number of slots using the same device */
int real_nb_opened_slots;
int *nb_opened_slots;
/*
* CCID infos common to USB and serial
*/
_ccid_descriptor ccid;
} _usbDevice;
/* The _usbDevice structure must be defined before including ccid_usb.h */
#include "ccid_usb.h"
static int get_end_points(struct usb_device *dev, _usbDevice *usbdevice);
int ccid_check_firmware(struct usb_device *dev);
static unsigned int *get_data_rates(unsigned int reader_index,
struct usb_device *dev);
/* ne need to initialize to 0 since it is static */
static _usbDevice usbDevice[CCID_DRIVER_MAX_READERS];
#define PCSCLITE_MANUKEY_NAME "ifdVendorID"
#define PCSCLITE_PRODKEY_NAME "ifdProductID"
#define PCSCLITE_NAMEKEY_NAME "ifdFriendlyName"
struct _bogus_firmware
{
int vendor; /* idVendor */
int product; /* idProduct */
int firmware; /* bcdDevice: previous firmwares have bugs */
};
static struct _bogus_firmware Bogus_firmwares[] = {
{ 0x04e6, 0xe001, 0x0516 }, /* SCR 331 */
{ 0x04e6, 0x5111, 0x0620 }, /* SCR 331-DI */
{ 0x04e6, 0x5115, 0x0514 }, /* SCR 335 */
{ 0x04e6, 0xe003, 0x0510 }, /* SPR 532 */
{ 0x0D46, 0x3001, 0x0037 }, /* KAAN Base */
{ 0x0D46, 0x3002, 0x0037 }, /* KAAN Advanced */
{ 0x09C3, 0x0008, 0x0203 }, /* ActivCard V2 */
{ 0x0DC3, 0x1004, 0x0502 }, /* ASE IIIe USBv2 */
{ 0x0DC3, 0x1102, 0x0607 }, /* ASE IIIe KB USB */
{ 0x058F, 0x9520, 0x0102 }, /* Alcor AU9520-G */
/* the firmware version is not correct since I do not have received a
* working reader yet */
{ 0x0C4B, 0x0300, 0x0101 }, /* Reiner-SCT cyberJack pinpad(a) */
#ifndef O2MICRO_OZ776_PATCH
{ 0x0b97, 0x7762, 0x0111 }, /* Oz776S */
#endif
};
/* data rates supported by the secondary slots on the GemCore Pos Pro & SIM Pro */
unsigned int SerialCustomDataRates[] = { GEMPLUS_CUSTOM_DATA_RATES, 0 };
/*****************************************************************************
*
* OpenUSB
*
****************************************************************************/
status_t OpenUSB(unsigned int reader_index, /*@unused@*/ int Channel)
{
return OpenUSBByName(reader_index, NULL);
} /* OpenUSB */
/*****************************************************************************
*
* OpenUSBByName
*
****************************************************************************/
status_t OpenUSBByName(unsigned int reader_index, /*@null@*/ char *device)
{
static struct usb_bus *busses = NULL;
int alias = 0;
struct usb_bus *bus;
struct usb_dev_handle *dev_handle;
char keyValue[TOKEN_MAX_VALUE_SIZE];
unsigned int vendorID, productID;
char infofile[FILENAME_MAX];
unsigned int device_vendor, device_product;
char *dirname = NULL, *filename = NULL;
static int previous_reader_index = -1;
DEBUG_COMM3("Reader index: %X, Device: %s", reader_index, device);
/* device name specified */
if (device)
{
/* format: usb:%04x/%04x, vendor, product */
if (strncmp("usb:", device, 4) != 0)
{
DEBUG_CRITICAL2("device name does not start with \"usb:\": %s",
device);
return STATUS_UNSUCCESSFUL;
}
if (sscanf(device, "usb:%x/%x", &device_vendor, &device_product) != 2)
{
DEBUG_CRITICAL2("device name can't be parsed: %s", device);
return STATUS_UNSUCCESSFUL;
}
/* format usb:%04x/%04x:libusb:%s
* with %s set to %s:%s, dirname, filename */
if ((dirname = strstr(device, "libusb:")) != NULL)
{
/* dirname points to the first char after libusb: */
dirname += strlen("libusb:");
/* search the : (separation) char */
filename = strchr(dirname, ':');
if (filename)
{
/* end the dirname string */
*filename = '\0';
/* filename points to the first char after : */
filename++;
}
else
{
/* parse failed */
dirname = NULL;
DEBUG_CRITICAL2("can't parse using libusb scheme: %s", device);
}
}
}
if (busses == NULL)
usb_init();
usb_find_busses();
usb_find_devices();
busses = usb_get_busses();
if (busses == NULL)
{
DEBUG_CRITICAL("No USB busses found");
return STATUS_UNSUCCESSFUL;
}
/* is the reader_index already used? */
if (usbDevice[reader_index].handle != NULL)
{
DEBUG_CRITICAL2("USB driver with index %X already in use",
reader_index);
return STATUS_UNSUCCESSFUL;
}
/* Info.plist full patch filename */
snprintf(infofile, sizeof(infofile), "%s/%s/Contents/Info.plist",
PCSCLITE_HP_DROPDIR, BUNDLE);
/* general driver info */
if (!LTPBundleFindValueWithKey(infofile, "ifdManufacturerString", keyValue, 0))
{
DEBUG_INFO2("Manufacturer: %s", keyValue);
}
else
{
DEBUG_INFO2("LTPBundleFindValueWithKey error. Can't find %s?",
infofile);
return STATUS_UNSUCCESSFUL;
}
if (!LTPBundleFindValueWithKey(infofile, "ifdProductString", keyValue, 0))
{
DEBUG_INFO2("ProductString: %s", keyValue);
}
else
return STATUS_UNSUCCESSFUL;
if (!LTPBundleFindValueWithKey(infofile, "Copyright", keyValue, 0))
{
DEBUG_INFO2("Copyright: %s", keyValue);
}
else
return STATUS_UNSUCCESSFUL;
vendorID = strlen(keyValue);
alias = 0x1C;
for (; vendorID--;)
alias ^= keyValue[vendorID];
/* for any supported reader */
while (LTPBundleFindValueWithKey(infofile, PCSCLITE_MANUKEY_NAME, keyValue, alias) == 0)
{
vendorID = strtoul(keyValue, NULL, 0);
if (LTPBundleFindValueWithKey(infofile, PCSCLITE_PRODKEY_NAME, keyValue, alias))
goto end;
productID = strtoul(keyValue, NULL, 0);
if (LTPBundleFindValueWithKey(infofile, PCSCLITE_NAMEKEY_NAME, keyValue, alias))
goto end;
/* go to next supported reader for next round */
alias++;
/* the device was specified but is not the one we are trying to find */
if (device
&& (vendorID != device_vendor || productID != device_product))
continue;
/* on any USB buses */
for (bus = busses; bus; bus = bus->next)
{
struct usb_device *dev;
/* any device on this bus */
for (dev = bus->devices; dev; dev = dev->next)
{
/* device defined by name? */
if (dirname && (strcmp(dirname, bus->dirname)
|| strcmp(filename, dev->filename)))
continue;
if (dev->descriptor.idVendor == vendorID
&& dev->descriptor.idProduct == productID)
{
int r, already_used;
struct usb_interface *usb_interface = NULL;
int interface;
/* is it already opened? */
already_used = FALSE;
DEBUG_COMM3("Checking device: %s/%s",
bus->dirname, dev->filename);
for (r=0; r<CCID_DRIVER_MAX_READERS; r++)
{
if (usbDevice[r].handle)
{
/* same busname, same filename */
if (strcmp(usbDevice[r].dirname, bus->dirname) == 0 && strcmp(usbDevice[r].filename, dev->filename) == 0)
already_used = TRUE;
}
}
/* this reader is already managed by us */
if (already_used)
{
if ((previous_reader_index != -1)
&& usbDevice[previous_reader_index].handle
&& (strcmp(usbDevice[previous_reader_index].dirname, bus->dirname) == 0)
&& (strcmp(usbDevice[previous_reader_index].filename, dev->filename) == 0)
&& usbDevice[previous_reader_index].ccid.bCurrentSlotIndex < usbDevice[previous_reader_index].ccid.bMaxSlotIndex)
{
/* we reuse the same device
* and the reader is multi-slot */
usbDevice[reader_index] = usbDevice[previous_reader_index];
/* the other slots do not have the same data rates */
if ((GEMCOREPOSPRO == usbDevice[reader_index].ccid.readerID)
|| (GEMCORESIMPRO == usbDevice[reader_index].ccid.readerID))
{
usbDevice[reader_index].ccid.arrayOfSupportedDataRates = SerialCustomDataRates;
usbDevice[reader_index].ccid.dwMaxDataRate = 125000;
}
*usbDevice[reader_index].nb_opened_slots += 1;
usbDevice[reader_index].ccid.bCurrentSlotIndex++;
DEBUG_INFO2("Opening slot: %d",
usbDevice[reader_index].ccid.bCurrentSlotIndex);
goto end;
}
else
{
DEBUG_INFO3("USB device %s/%s already in use."
" Checking next one.",
bus->dirname, dev->filename);
}
continue;
}
DEBUG_COMM3("Trying to open USB bus/device: %s/%s",
bus->dirname, dev->filename);
dev_handle = usb_open(dev);
if (dev_handle == NULL)
{
DEBUG_CRITICAL4("Can't usb_open(%s/%s): %s",
bus->dirname, dev->filename, strerror(errno));
continue;
}
/* now we found a free reader and we try to use it */
if (dev->config == NULL)
{
usb_close(dev_handle);
DEBUG_CRITICAL3("No dev->config found for %s/%s",
bus->dirname, dev->filename);
return STATUS_UNSUCCESSFUL;
}
usb_interface = get_ccid_usb_interface(dev);
if (usb_interface == NULL)
{
usb_close(dev_handle);
DEBUG_CRITICAL3("Can't find a CCID interface on %s/%s",
bus->dirname, dev->filename);
return STATUS_UNSUCCESSFUL;
}
if (usb_interface->altsetting->extralen != 54)
{
usb_close(dev_handle);
DEBUG_CRITICAL4("Extra field for %s/%s has a wrong length: %d", bus->dirname, dev->filename, usb_interface->altsetting->extralen);
return STATUS_UNSUCCESSFUL;
}
interface = usb_interface->altsetting->bInterfaceNumber;
if (usb_claim_interface(dev_handle, interface) < 0)
{
usb_close(dev_handle);
DEBUG_CRITICAL4("Can't claim interface %s/%s: %s",
bus->dirname, dev->filename, strerror(errno));
return STATUS_UNSUCCESSFUL;
}
DEBUG_INFO4("Found Vendor/Product: %04X/%04X (%s)",
dev->descriptor.idVendor,
dev->descriptor.idProduct, keyValue);
DEBUG_INFO3("Using USB bus/device: %s/%s",
bus->dirname, dev->filename);
/* check for firmware bugs */
if (ccid_check_firmware(dev))
{
usb_close(dev_handle);
return STATUS_UNSUCCESSFUL;
}
/* Get Endpoints values*/
get_end_points(dev, &usbDevice[reader_index]);
/* store device information */
usbDevice[reader_index].handle = dev_handle;
usbDevice[reader_index].dirname = strdup(bus->dirname);
usbDevice[reader_index].filename = strdup(dev->filename);
usbDevice[reader_index].interface = interface;
usbDevice[reader_index].real_nb_opened_slots = 1;
usbDevice[reader_index].nb_opened_slots = &usbDevice[reader_index].real_nb_opened_slots;
/* CCID common informations */
usbDevice[reader_index].ccid.real_bSeq = 0;
usbDevice[reader_index].ccid.pbSeq = &usbDevice[reader_index].ccid.real_bSeq;
usbDevice[reader_index].ccid.readerID =
(dev->descriptor.idVendor << 16) +
dev->descriptor.idProduct;
usbDevice[reader_index].ccid.dwFeatures = dw2i(usb_interface->altsetting->extra, 40);
usbDevice[reader_index].ccid.bPINSupport = usb_interface->altsetting->extra[52];
usbDevice[reader_index].ccid.dwMaxCCIDMessageLength = dw2i(usb_interface->altsetting->extra, 44);
usbDevice[reader_index].ccid.dwMaxIFSD = dw2i(usb_interface->altsetting->extra, 28);
usbDevice[reader_index].ccid.dwDefaultClock = dw2i(usb_interface->altsetting->extra, 10);
usbDevice[reader_index].ccid.dwMaxDataRate = dw2i(usb_interface->altsetting->extra, 23);
usbDevice[reader_index].ccid.bMaxSlotIndex = usb_interface->altsetting->extra[4];
usbDevice[reader_index].ccid.bCurrentSlotIndex = 0;
usbDevice[reader_index].ccid.readTimeout = DEFAULT_COM_READ_TIMEOUT;
usbDevice[reader_index].ccid.arrayOfSupportedDataRates = get_data_rates(reader_index, dev);
usbDevice[reader_index].ccid.bInterfaceProtocol = usb_interface->altsetting->bInterfaceProtocol;
goto end;
}
}
}
}
end:
if (usbDevice[reader_index].handle == NULL)
return STATUS_UNSUCCESSFUL;
/* memorise the current reader_index so we can detect
* a new OpenUSBByName on a multi slot reader */
previous_reader_index = reader_index;
return STATUS_SUCCESS;
} /* OpenUSBByName */
/*****************************************************************************
*
* WriteUSB
*
****************************************************************************/
status_t WriteUSB(unsigned int reader_index, unsigned int length,
unsigned char *buffer)
{
int rv;
char debug_header[] = "-> 121234 ";
sprintf(debug_header, "-> %06X ", (int)reader_index);
DEBUG_XXD(debug_header, buffer, length);
rv = usb_bulk_write(usbDevice[reader_index].handle,
usbDevice[reader_index].bulk_out, (char *)buffer, length,
USB_WRITE_TIMEOUT);
if (rv < 0)
{
DEBUG_CRITICAL4("usb_bulk_write(%s/%s): %s",
usbDevice[reader_index].dirname, usbDevice[reader_index].filename,
strerror(errno));
if (ENODEV == errno)
return STATUS_NO_SUCH_DEVICE;
return STATUS_UNSUCCESSFUL;
}
return STATUS_SUCCESS;
} /* WriteUSB */
/*****************************************************************************
*
* ReadUSB
*
****************************************************************************/
status_t ReadUSB(unsigned int reader_index, unsigned int * length,
unsigned char *buffer)
{
int rv;
char debug_header[] = "<- 121234 ";
_ccid_descriptor *ccid_descriptor = get_ccid_descriptor(reader_index);
read_again:
sprintf(debug_header, "<- %06X ", (int)reader_index);
rv = usb_bulk_read(usbDevice[reader_index].handle,
usbDevice[reader_index].bulk_in, (char *)buffer, *length,
usbDevice[reader_index].ccid.readTimeout * 1000);
if (rv < 0)
{
*length = 0;
DEBUG_CRITICAL4("usb_bulk_read(%s/%s): %s",
usbDevice[reader_index].dirname, usbDevice[reader_index].filename,
strerror(errno));
if (ENODEV == errno)
return STATUS_NO_SUCH_DEVICE;
return STATUS_UNSUCCESSFUL;
}
*length = rv;
DEBUG_XXD(debug_header, buffer, *length);
#define BSEQ_OFFSET 6
if ((*length >= BSEQ_OFFSET)
&& (buffer[BSEQ_OFFSET] < *ccid_descriptor->pbSeq -1))
{
DEBUG_INFO("Duplicate frame detected");
goto read_again;
}
return STATUS_SUCCESS;
} /* ReadUSB */
/*****************************************************************************
*
* CloseUSB
*
****************************************************************************/
status_t CloseUSB(unsigned int reader_index)
{
/* device not opened */
if (usbDevice[reader_index].handle == NULL)
return STATUS_UNSUCCESSFUL;
DEBUG_COMM3("Closing USB device: %s/%s",
usbDevice[reader_index].dirname,
usbDevice[reader_index].filename);
if (usbDevice[reader_index].ccid.arrayOfSupportedDataRates
&& (usbDevice[reader_index].ccid.bCurrentSlotIndex == 0))
{
free(usbDevice[reader_index].ccid.arrayOfSupportedDataRates);
usbDevice[reader_index].ccid.arrayOfSupportedDataRates = NULL;
}
/* one slot closed */
(*usbDevice[reader_index].nb_opened_slots)--;
/* release the allocated ressources for the last slot only */
if (0 == *usbDevice[reader_index].nb_opened_slots)
{
DEBUG_COMM("Last slot closed. Release resources");
/* reset so that bSeq starts at 0 again */
if (DriverOptions & DRIVER_OPTION_RESET_ON_CLOSE)
usb_reset(usbDevice[reader_index].handle);
usb_release_interface(usbDevice[reader_index].handle,
usbDevice[reader_index].interface);
usb_close(usbDevice[reader_index].handle);
free(usbDevice[reader_index].dirname);
free(usbDevice[reader_index].filename);
}
/* mark the resource unused */
usbDevice[reader_index].handle = NULL;
usbDevice[reader_index].dirname = NULL;
usbDevice[reader_index].filename = NULL;
usbDevice[reader_index].interface = 0;
return STATUS_SUCCESS;
} /* CloseUSB */
/*****************************************************************************
*
* get_ccid_descriptor
*
****************************************************************************/
_ccid_descriptor *get_ccid_descriptor(unsigned int reader_index)
{
return &usbDevice[reader_index].ccid;
} /* get_ccid_descriptor */
/*****************************************************************************
*
* get_end_points
*
****************************************************************************/
static int get_end_points(struct usb_device *dev, _usbDevice *usbdevice)
{
int i;
int bEndpointAddress;
struct usb_interface *usb_interface = get_ccid_usb_interface(dev);
/*
* 3 Endpoints maximum: Interrupt In, Bulk In, Bulk Out
*/
for (i=0; i<usb_interface->altsetting->bNumEndpoints; i++)
{
if (usb_interface->altsetting->endpoint[i].bmAttributes != USB_ENDPOINT_TYPE_BULK)
continue;
bEndpointAddress = usb_interface->altsetting->endpoint[i].bEndpointAddress;
if ((bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_ENDPOINT_IN)
usbdevice->bulk_in = bEndpointAddress;
if ((bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_ENDPOINT_OUT)
usbdevice->bulk_out = bEndpointAddress;
}
return 0;
} /* get_end_points */
/*****************************************************************************
*
* get_ccid_usb_interface
*
****************************************************************************/
/*@null@*/ EXTERNAL struct usb_interface * get_ccid_usb_interface(struct usb_device *dev)
{
struct usb_interface *usb_interface = NULL;
int i;
#ifdef O2MICRO_OZ776_PATCH
int readerID;
#endif
/* if multiple interfaces use the first one with CCID class type */
for (i=0; dev->config && i<dev->config->bNumInterfaces; i++)
{
/* CCID Class? */
if (dev->config->interface[i].altsetting->bInterfaceClass == 0xb
#ifdef ALLOW_PROPRIETARY_CLASS
|| dev->config->interface[i].altsetting->bInterfaceClass == 0xff
#endif
)
{
usb_interface = &dev->config->interface[i];
break;
}
}
#ifdef O2MICRO_OZ776_PATCH
readerID = (dev->descriptor.idVendor << 16) + dev->descriptor.idProduct;
if (usb_interface != NULL
&& ((OZ776 == readerID) || (OZ776_7772 == readerID)
|| (REINER_SCT == readerID))
&& (0 == usb_interface->altsetting->extralen)) /* this is the bug */
{
for (i=0; i<usb_interface->altsetting->bNumEndpoints; i++)
{
/* find the extra[] array */
if (54 == usb_interface->altsetting->endpoint[i].extralen)
{
/* get the extra[] from the endpoint */
usb_interface->altsetting->extralen = 54;
usb_interface->altsetting->extra =
usb_interface->altsetting->endpoint[i].extra;
/* avoid double free on close */
usb_interface->altsetting->endpoint[i].extra = NULL;
usb_interface->altsetting->endpoint[i].extralen = 0;
break;
}
}
}
#endif
return usb_interface;
} /* get_ccid_usb_interface */
/*****************************************************************************
*
* ccid_check_firmware
*
****************************************************************************/
int ccid_check_firmware(struct usb_device *dev)
{
int i;
for (i=0; i<sizeof(Bogus_firmwares)/sizeof(Bogus_firmwares[0]); i++)
{
if (dev->descriptor.idVendor != Bogus_firmwares[i].vendor)
continue;
if (dev->descriptor.idProduct != Bogus_firmwares[i].product)
continue;
/* firmware too old and buggy */
if (dev->descriptor.bcdDevice < Bogus_firmwares[i].firmware)
{
if (DriverOptions & DRIVER_OPTION_USE_BOGUS_FIRMWARE)
{
DEBUG_INFO3("Firmware (%X.%02X) is bogus! but you choosed to use it",
dev->descriptor.bcdDevice >> 8,
dev->descriptor.bcdDevice & 0xFF);
return FALSE;
}
else
{
DEBUG_CRITICAL3("Firmware (%X.%02X) is bogus! Upgrade the reader firmware or get a new reader.",
dev->descriptor.bcdDevice >> 8,
dev->descriptor.bcdDevice & 0xFF);
return TRUE;
}
}
}
/* by default the firmware is not bogus */
return FALSE;
} /* ccid_check_firmware */
/*****************************************************************************
*
* get_data_rates
*
****************************************************************************/
static unsigned int *get_data_rates(unsigned int reader_index,
struct usb_device *dev)
{
int n, i, len;
unsigned char buffer[256*sizeof(int)]; /* maximum is 256 records */
unsigned int *int_array;
/* See CCID 3.7.3 page 25 */
n = ControlUSB(reader_index,
0xA1, /* request type */
0x03, /* GET_DATA_RATES */
0x00, /* value */
buffer, sizeof(buffer));
/* we got an error? */
if (n <= 0)
{
DEBUG_INFO2("IFD does not support GET_DATA_RATES request: %s",
strerror(errno));
return NULL;
}
/* we got a strange value */
if (n % 4)
{
DEBUG_INFO2("Wrong GET DATA RATES size: %d", n);
return NULL;
}
/* allocate the buffer (including the end marker) */
n /= sizeof(int);
/* we do not get the expected number of data rates */
len = get_ccid_usb_interface(dev)->altsetting->extra[27]; /* bNumDataRatesSupported */
if ((n != len) && len)
{
DEBUG_INFO3("Got %d data rates but was expecting %d", n, len);
/* we got more data than expected */
if (n > len)
n = len;
}
int_array = calloc(n+1, sizeof(int));
if (NULL == int_array)
{
DEBUG_CRITICAL("Memory allocation failed");
return NULL;
}
/* convert in correct endianess */
for (i=0; i<n; i++)
{
int_array[i] = dw2i(buffer, i*4);
DEBUG_INFO2("declared: %d bps", int_array[i]);
}
/* end of array marker */
int_array[i] = 0;
return int_array;
}
int ControlUSB(int reader_index, int requesttype, int request, int value,
unsigned char *bytes, unsigned int size)
{
int ret;
DEBUG_COMM2("request: 0x%02X", request);
if (0 == (requesttype & 0x80))
DEBUG_XXD("send: ", bytes, size);
ret = usb_control_msg(usbDevice[reader_index].handle, requesttype,
request, value, usbDevice[reader_index].interface, (char *)bytes, size,
usbDevice[reader_index].ccid.readTimeout * 1000);
if (requesttype & 0x80)
DEBUG_XXD("receive: ", bytes, ret);
return ret;
}
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