6633025437
When sending static data, it would not be copied. The function that sends it assumed that it should be free'ed though. Fix this by simply always making a copy.
700 lines
19 KiB
C
700 lines
19 KiB
C
/*
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* vfs301/vfs300 fingerprint reader driver
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* https://github.com/andree182/vfs301
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*
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* Copyright (c) 2011-2012 Andrej Krutak <dev@andree.sk>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/*
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* TODO:
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* - async communication everywhere :)
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* - protocol decyphering
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* - what is needed and what is redundant
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* - is some part of the initial data the firmware?
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* - describe some interesting structures better
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*/
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#include <errno.h>
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#include <string.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <glib.h>
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#include "fpi-usb-transfer.h"
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#include "vfs301.h"
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#include "vfs301_proto_fragments.h"
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/************************** USB STUFF *****************************************/
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#ifdef DEBUG
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static void
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usb_print_packet (int dir, GError *error, const guint8 *data, int length)
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{
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fprintf (stderr, "%s, error %s, len %d\n", dir ? "send" : "recv", error ? error->message : "-", length);
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#ifdef PRINT_VERBOSE
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int i;
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for (i = 0; i < MIN (length, 128); i++)
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{
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fprintf (stderr, "%.2X ", data[i]);
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if (i % 8 == 7)
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fprintf (stderr, " ");
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if (i % 32 == 31)
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fprintf (stderr, "\n");
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}
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#endif
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fprintf (stderr, "\n");
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}
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#endif
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static void
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usb_recv (FpDeviceVfs301 *dev, guint8 endpoint, int max_bytes, FpiUsbTransfer **out, GError **error)
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{
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GError *err = NULL;
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g_autoptr(FpiUsbTransfer) transfer = NULL;
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/* XXX: This function swallows any transfer errors, that is obviously
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* quite bad (it used to assert on no-error)! */
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transfer = fpi_usb_transfer_new (FP_DEVICE (dev));
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transfer->short_is_error = TRUE;
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fpi_usb_transfer_fill_bulk (transfer, endpoint, max_bytes);
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fpi_usb_transfer_submit_sync (transfer, VFS301_DEFAULT_WAIT_TIMEOUT, &err);
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#ifdef DEBUG
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usb_print_packet (0, err, transfer->buffer, transfer->actual_length);
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#endif
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if (err)
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{
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if (!error)
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g_warning ("Unhandled receive error: %s", err->message);
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g_propagate_error (error, err);
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}
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if (out)
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*out = g_steal_pointer (&transfer);
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}
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static void
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usb_send (FpDeviceVfs301 *dev, const guint8 *data, gssize length, GError **error)
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{
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GError *err = NULL;
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g_autoptr(FpiUsbTransfer) transfer = NULL;
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/* XXX: This function swallows any transfer errors, that is obviously
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* quite bad (it used to assert on no-error)! */
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transfer = fpi_usb_transfer_new (FP_DEVICE (dev));
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transfer->short_is_error = TRUE;
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fpi_usb_transfer_fill_bulk_full (transfer, VFS301_SEND_ENDPOINT, (guint8 *) data, length, g_free);
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fpi_usb_transfer_submit_sync (transfer, VFS301_DEFAULT_WAIT_TIMEOUT, &err);
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#ifdef DEBUG
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usb_print_packet (1, err, data, length);
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#endif
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if (err)
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{
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g_warning ("Error while sending data, continuing anyway: %s", err->message);
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g_propagate_error (error, err);
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}
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}
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/************************** OUT MESSAGES GENERATION ***************************/
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static guint8 *
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vfs301_proto_generate_0B (int subtype, gssize *len)
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{
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guint8 *res = g_malloc0 (39);
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guint8 *data = res;
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*data = 0x0B;
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*len = 1;
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data++;
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*len += 38;
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data[20] = subtype;
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switch (subtype)
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{
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case 0x04:
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data[34] = 0x9F;
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break;
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case 0x05:
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data[34] = 0xAB;
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/* NOTE: There was a len++ here, which could never do anything */
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break;
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default:
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g_assert_not_reached ();
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break;
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}
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return res;
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}
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#define HEX_TO_INT(c) \
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(((c) >= '0' && (c) <= '9') ? ((c) - '0') : ((c) - 'A' + 10))
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static guint8 *
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translate_str (const char **srcL, gssize *len)
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{
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guint8 *res = NULL;
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guint8 *dst;
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const char **src_pos;
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const char *src;
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gssize src_len = 0;
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for (src_pos = srcL; *src_pos; src_pos++)
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{
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gint tmp;
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src = *src_pos;
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tmp = strlen (src);
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g_assert (tmp % 2 == 0);
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src_len += tmp;
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}
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g_assert (src_len >= 2);
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*len = src_len / 2;
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res = g_malloc0 (*len);
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dst = res;
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for (src_pos = srcL; *src_pos; src_pos++)
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for (src = *src_pos; *src; src += 2, dst += 1)
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*dst = (guint8) ((HEX_TO_INT (src[0]) << 4) | (HEX_TO_INT (src[1])));
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return res;
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}
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static guint8 *
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vfs301_proto_generate (int type, int subtype, gssize *len)
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{
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switch (type)
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{
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case 0x01:
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case 0x04:
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/* After cmd 0x04 is sent, a data is received on VALIDITY_RECEIVE_ENDPOINT_CTRL.
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* If it is 0x0000:
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* additional 64B and 224B are read from _DATA, then vfs301_next_scan_FA00 is
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* sent, 0000 received from _CTRL, and then continue with wait loop
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* If it is 0x1204:
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* => reinit?
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*/
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case 0x17:
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case 0x19:
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case 0x1A:
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{
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guint8 *data = g_malloc0 (1);
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*data = type;
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*len = 1;
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return data;
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}
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break;
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case 0x0B:
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return vfs301_proto_generate_0B (subtype, len);
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break;
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case 0x02D0:
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{
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const char **dataLs[] = {
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vfs301_02D0_01,
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vfs301_02D0_02,
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vfs301_02D0_03,
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vfs301_02D0_04,
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vfs301_02D0_05,
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vfs301_02D0_06,
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vfs301_02D0_07,
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};
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g_assert ((int) subtype <= G_N_ELEMENTS (dataLs));
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return translate_str (dataLs[subtype - 1], len);
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}
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break;
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case 0x0220:
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switch (subtype)
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{
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case 1:
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return translate_str (vfs301_0220_01, len);
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break;
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case 2:
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return translate_str (vfs301_0220_02, len);
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break;
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case 3:
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return translate_str (vfs301_0220_03, len);
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break;
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case 0xFA00:
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case 0x2C01:
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case 0x5E01: {
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guint8 *data;
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guint8 *field;
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data = translate_str (vfs301_next_scan_template, len);
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field = data + *len - (sizeof (S4_TAIL) - 1) / 2 - 4;
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g_assert (field >= data && field < data + *len);
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g_assert (field[0] == 0xDE);
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g_assert (field[1] == 0xAD);
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g_assert (field[2] == 0xDE);
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g_assert (field[3] == 0xAD);
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field[0] = (guint8) ((subtype >> 8) & 0xFF);
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field[1] = (guint8) (subtype & 0xFF);
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field[2] = field[0];
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field[3] = field[1];
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return data;
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break;
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}
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default:
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g_assert_not_reached ();
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break;
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}
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break;
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case 0x06:
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default:
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break;
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}
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g_assert_not_reached ();
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*len = 0;
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return NULL;
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}
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/************************** SCAN IMAGE PROCESSING *****************************/
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#ifdef SCAN_FINISH_DETECTION
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static int
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img_is_finished_scan (fp_line_t *lines, int no_lines)
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{
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int i;
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int j;
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int rv = 1;
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for (i = no_lines - VFS301_FP_SUM_LINES; i < no_lines; i++)
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{
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/* check the line for fingerprint data */
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for (j = 0; j < sizeof (lines[i].sum2); j++)
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if (lines[i].sum2[j] > (VFS301_FP_SUM_MEDIAN + VFS301_FP_SUM_EMPTY_RANGE))
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rv = 0;
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}
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return rv;
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}
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#endif
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static int
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scanline_diff (const guint8 *scanlines, int prev, int cur)
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{
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const guint8 *line1 = scanlines + prev * VFS301_FP_OUTPUT_WIDTH;
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const guint8 *line2 = scanlines + cur * VFS301_FP_OUTPUT_WIDTH;
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int i;
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int diff;
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#ifdef OUTPUT_RAW
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/* We only need the image, not the surrounding stuff. */
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line1 = ((vfs301_line_t *) line1)->scan;
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line2 = ((vfs301_line_t *) line2)->scan;
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#endif
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/* TODO: This doesn't work too well when there are parallel lines in the
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* fingerprint. */
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for (diff = 0, i = 0; i < VFS301_FP_WIDTH; i++)
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{
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if (*line1 > *line2)
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diff += *line1 - *line2;
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else
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diff += *line2 - *line1;
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line1++;
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line2++;
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}
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return (diff / VFS301_FP_WIDTH) > VFS301_FP_LINE_DIFF_THRESHOLD;
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}
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/** Transform the input data to a normalized fingerprint scan */
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void
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vfs301_extract_image (FpDeviceVfs301 *vfs, guint8 *output, int *output_height
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)
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{
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const guint8 *scanlines = vfs->scanline_buf;
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int last_line;
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int i;
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g_assert (vfs->scanline_count >= 1);
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*output_height = 1;
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memcpy (output, scanlines, VFS301_FP_OUTPUT_WIDTH);
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last_line = 0;
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/* The following algorithm is quite trivial - it just picks lines that
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* differ more than VFS301_FP_LINE_DIFF_THRESHOLD.
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* TODO: A nicer approach would be to pick those lines and then do some kind
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* of bi/tri-linear resampling to get the output (so that we don't get so
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* many false edges etc.).
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*/
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for (i = 1; i < vfs->scanline_count; i++)
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{
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if (scanline_diff (scanlines, last_line, i))
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{
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memcpy (
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output + VFS301_FP_OUTPUT_WIDTH * (*output_height),
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scanlines + VFS301_FP_OUTPUT_WIDTH * i,
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VFS301_FP_OUTPUT_WIDTH
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);
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last_line = i;
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(*output_height)++;
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}
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}
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}
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static int
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img_process_data (int first_block, FpDeviceVfs301 *dev, const guint8 *buf, int len)
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{
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vfs301_line_t *lines = (vfs301_line_t *) buf;
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int no_lines = len / sizeof (vfs301_line_t);
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int i;
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/*int no_nonempty;*/
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guint8 *cur_line;
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int last_img_height;
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#ifdef SCAN_FINISH_DETECTION
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int finished_scan;
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#endif
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if (first_block)
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{
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last_img_height = 0;
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dev->scanline_count = no_lines;
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}
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else
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{
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last_img_height = dev->scanline_count;
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dev->scanline_count += no_lines;
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}
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dev->scanline_buf = g_realloc (dev->scanline_buf, dev->scanline_count * VFS301_FP_OUTPUT_WIDTH);
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for (cur_line = dev->scanline_buf + last_img_height * VFS301_FP_OUTPUT_WIDTH, i = 0;
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i < no_lines;
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i++, cur_line += VFS301_FP_OUTPUT_WIDTH
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)
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{
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#ifndef OUTPUT_RAW
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memcpy (cur_line, lines[i].scan, VFS301_FP_OUTPUT_WIDTH);
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#else
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memcpy (cur_line, &lines[i], VFS301_FP_OUTPUT_WIDTH);
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#endif
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}
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#ifdef SCAN_FINISH_DETECTION
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finished_scan = img_is_finished_scan (lines, no_lines);
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return !finished_scan;
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#else /* SCAN_FINISH_DETECTION */
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return 1; /* Just continue until data is coming */
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#endif
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}
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/************************** PROTOCOL STUFF ************************************/
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#define USB_RECV(from, len) \
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usb_recv (dev, from, len, NULL, NULL)
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#define USB_SEND(type, subtype) \
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{ \
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const guint8 *data; \
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gssize len; \
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data = vfs301_proto_generate (type, subtype, &len); \
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usb_send (dev, data, len, NULL); \
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}
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#define RAW_DATA(x) g_memdup (x, sizeof (x)), sizeof (x)
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#define IS_VFS301_FP_SEQ_START(b) ((b[0] == 0x01) && (b[1] == 0xfe))
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static int
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vfs301_proto_process_data (FpDeviceVfs301 *dev, int first_block, const guint8 *buf, gint len)
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{
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int i;
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if (first_block)
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{
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g_assert (len >= VFS301_FP_FRAME_SIZE);
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/* Skip bytes until start_sequence is found */
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for (i = 0; i < VFS301_FP_FRAME_SIZE; i++, buf++, len--)
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if (IS_VFS301_FP_SEQ_START (buf))
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break;
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}
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return img_process_data (first_block, dev, buf, len);
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}
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void
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vfs301_proto_request_fingerprint (FpDeviceVfs301 *dev)
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{
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USB_SEND (0x0220, 0xFA00);
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USB_RECV (VFS301_RECEIVE_ENDPOINT_CTRL, 2); /* 000000000000 */
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}
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int
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vfs301_proto_peek_event (FpDeviceVfs301 *dev)
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{
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g_autoptr(GError) error = NULL;
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FpiUsbTransfer *transfer;
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const char no_event[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
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const char got_event[] = {0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00};
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USB_SEND (0x17, -1);
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usb_recv (dev, VFS301_RECEIVE_ENDPOINT_CTRL, 7, &transfer, &error);
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/* XXX: This is obviously not a sane error handling! */
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g_assert (!error);
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if (memcmp (transfer->buffer, no_event, sizeof (no_event)) == 0)
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return 0;
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else if (memcmp (transfer->buffer, got_event, sizeof (no_event)) == 0)
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return 1;
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else
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g_assert_not_reached ();
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}
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/* XXX: We sometimes need to receive data on from two endpoints at the same
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* time. However, as this driver is currently all synchronous (yikes),
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* we will run into timeouts randomly and need to then try again.
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*/
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#define PARALLEL_RECEIVE(e1, l1, e2, l2) \
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{ \
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g_autoptr(GError) error = NULL; \
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usb_recv (dev, e1, l1, NULL, &error); \
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usb_recv (dev, e2, l2, NULL, NULL); \
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if (g_error_matches (error, G_USB_DEVICE_ERROR, G_USB_DEVICE_ERROR_TIMED_OUT)) \
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usb_recv (dev, e1, l1, NULL, NULL); \
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}
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static void
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vfs301_proto_process_event_cb (FpiUsbTransfer *transfer,
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FpDevice *device,
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gpointer user_data, GError *error)
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{
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FpDeviceVfs301 *dev = user_data;
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if (error)
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{
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g_warning ("Error receiving data: %s", error->message);
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g_error_free (error);
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dev->recv_progress = VFS301_FAILURE;
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return;
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}
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else if (transfer->actual_length < transfer->length)
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{
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/* TODO: process the data anyway? */
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dev->recv_progress = VFS301_ENDED;
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return;
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}
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else
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{
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FpiUsbTransfer *new;
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if (!vfs301_proto_process_data (dev,
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transfer->length == VFS301_FP_RECV_LEN_1,
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|
transfer->buffer,
|
|
transfer->actual_length))
|
|
{
|
|
dev->recv_progress = VFS301_ENDED;
|
|
return;
|
|
}
|
|
|
|
new = fpi_usb_transfer_new (device);
|
|
|
|
fpi_usb_transfer_fill_bulk (new, VFS301_RECEIVE_ENDPOINT_DATA, VFS301_FP_RECV_LEN_2);
|
|
fpi_usb_transfer_submit (new, VFS301_FP_RECV_TIMEOUT, NULL,
|
|
vfs301_proto_process_event_cb, NULL);
|
|
return;
|
|
}
|
|
}
|
|
|
|
void
|
|
vfs301_proto_process_event_start (FpDeviceVfs301 *dev)
|
|
{
|
|
FpiUsbTransfer *transfer;
|
|
|
|
/*
|
|
* Notes:
|
|
*
|
|
* seen next_scan order:
|
|
* o FA00
|
|
* o FA00
|
|
* o 2C01
|
|
* o FA00
|
|
* o FA00
|
|
* o 2C01
|
|
* o FA00
|
|
* o FA00
|
|
* o 2C01
|
|
* o 5E01 !?
|
|
* o FA00
|
|
* o FA00
|
|
* o 2C01
|
|
* o FA00
|
|
* o FA00
|
|
* o 2C01
|
|
*/
|
|
USB_RECV (VFS301_RECEIVE_ENDPOINT_DATA, 64);
|
|
|
|
/* now read the fingerprint data, while there are some */
|
|
transfer = fpi_usb_transfer_new (FP_DEVICE (dev));
|
|
dev->recv_progress = VFS301_ONGOING;
|
|
|
|
fpi_usb_transfer_fill_bulk (transfer, VFS301_RECEIVE_ENDPOINT_DATA, VFS301_FP_RECV_LEN_1);
|
|
fpi_usb_transfer_submit (transfer, VFS301_FP_RECV_TIMEOUT, NULL,
|
|
vfs301_proto_process_event_cb, NULL);
|
|
}
|
|
|
|
int
|
|
vfs301_proto_process_event_poll (FpDeviceVfs301 *dev)
|
|
{
|
|
if (dev->recv_progress != VFS301_ENDED)
|
|
return dev->recv_progress;
|
|
|
|
/* Finish the scan process... */
|
|
|
|
USB_SEND (0x04, -1);
|
|
/* the following may come in random order, data may not come at all, don't
|
|
* try for too long... */
|
|
PARALLEL_RECEIVE (
|
|
VFS301_RECEIVE_ENDPOINT_CTRL, 2, /* 1204 */
|
|
VFS301_RECEIVE_ENDPOINT_DATA, 16384
|
|
);
|
|
|
|
USB_SEND (0x0220, 2);
|
|
PARALLEL_RECEIVE (
|
|
VFS301_RECEIVE_ENDPOINT_DATA, 5760, /* seems to always come */
|
|
VFS301_RECEIVE_ENDPOINT_CTRL, 2 /* 0000 */
|
|
);
|
|
|
|
return dev->recv_progress;
|
|
}
|
|
|
|
void
|
|
vfs301_proto_init (FpDeviceVfs301 *dev)
|
|
{
|
|
USB_SEND (0x01, -1);
|
|
USB_RECV (VFS301_RECEIVE_ENDPOINT_CTRL, 38);
|
|
USB_SEND (0x0B, 0x04);
|
|
USB_RECV (VFS301_RECEIVE_ENDPOINT_CTRL, 6); /* 000000000000 */
|
|
USB_SEND (0x0B, 0x05);
|
|
USB_RECV (VFS301_RECEIVE_ENDPOINT_CTRL, 7); /* 00000000000000 */
|
|
USB_SEND (0x19, -1);
|
|
USB_RECV (VFS301_RECEIVE_ENDPOINT_CTRL, 64);
|
|
USB_RECV (VFS301_RECEIVE_ENDPOINT_CTRL, 4); /* 6BB4D0BC */
|
|
usb_send (dev, RAW_DATA (vfs301_06_1), NULL);
|
|
USB_RECV (VFS301_RECEIVE_ENDPOINT_CTRL, 2); /* 0000 */
|
|
|
|
USB_SEND (0x01, -1);
|
|
USB_RECV (VFS301_RECEIVE_ENDPOINT_CTRL, 38);
|
|
USB_SEND (0x1A, -1);
|
|
USB_RECV (VFS301_RECEIVE_ENDPOINT_CTRL, 2); /* 0000 */
|
|
usb_send (dev, RAW_DATA (vfs301_06_2), NULL);
|
|
USB_RECV (VFS301_RECEIVE_ENDPOINT_CTRL, 2); /* 0000 */
|
|
USB_SEND (0x0220, 1);
|
|
USB_RECV (VFS301_RECEIVE_ENDPOINT_CTRL, 2); /* 0000 */
|
|
USB_RECV (VFS301_RECEIVE_ENDPOINT_DATA, 256);
|
|
USB_RECV (VFS301_RECEIVE_ENDPOINT_DATA, 32);
|
|
|
|
USB_SEND (0x1A, -1);
|
|
USB_RECV (VFS301_RECEIVE_ENDPOINT_CTRL, 2); /* 0000 */
|
|
usb_send (dev, RAW_DATA (vfs301_06_3), NULL);
|
|
USB_RECV (VFS301_RECEIVE_ENDPOINT_CTRL, 2); /* 0000 */
|
|
|
|
USB_SEND (0x01, -1);
|
|
USB_RECV (VFS301_RECEIVE_ENDPOINT_CTRL, 38);
|
|
USB_SEND (0x02D0, 1);
|
|
USB_RECV (VFS301_RECEIVE_ENDPOINT_CTRL, 2); /* 0000 */
|
|
USB_RECV (VFS301_RECEIVE_ENDPOINT_DATA, 11648); /* 56 * vfs301_init_line_t[] */
|
|
USB_SEND (0x02D0, 2);
|
|
USB_RECV (VFS301_RECEIVE_ENDPOINT_CTRL, 2); /* 0000 */
|
|
USB_RECV (VFS301_RECEIVE_ENDPOINT_DATA, 53248); /* 2 * 128 * vfs301_init_line_t[] */
|
|
USB_SEND (0x02D0, 3);
|
|
USB_RECV (VFS301_RECEIVE_ENDPOINT_CTRL, 2); /* 0000 */
|
|
USB_RECV (VFS301_RECEIVE_ENDPOINT_DATA, 19968); /* 96 * vfs301_init_line_t[] */
|
|
USB_SEND (0x02D0, 4);
|
|
USB_RECV (VFS301_RECEIVE_ENDPOINT_CTRL, 2); /* 0000 */
|
|
USB_RECV (VFS301_RECEIVE_ENDPOINT_DATA, 5824); /* 28 * vfs301_init_line_t[] */
|
|
USB_SEND (0x02D0, 5);
|
|
USB_RECV (VFS301_RECEIVE_ENDPOINT_CTRL, 2); /* 0000 */
|
|
USB_RECV (VFS301_RECEIVE_ENDPOINT_DATA, 6656); /* 32 * vfs301_init_line_t[] */
|
|
USB_SEND (0x02D0, 6);
|
|
USB_RECV (VFS301_RECEIVE_ENDPOINT_CTRL, 2); /* 0000 */
|
|
USB_RECV (VFS301_RECEIVE_ENDPOINT_DATA, 6656); /* 32 * vfs301_init_line_t[] */
|
|
USB_SEND (0x02D0, 7);
|
|
USB_RECV (VFS301_RECEIVE_ENDPOINT_CTRL, 2); /* 0000 */
|
|
USB_RECV (VFS301_RECEIVE_ENDPOINT_DATA, 832);
|
|
usb_send (dev, RAW_DATA (vfs301_12), NULL);
|
|
USB_RECV (VFS301_RECEIVE_ENDPOINT_CTRL, 2); /* 0000 */
|
|
|
|
USB_SEND (0x1A, -1);
|
|
USB_RECV (VFS301_RECEIVE_ENDPOINT_CTRL, 2); /* 0000 */
|
|
usb_send (dev, RAW_DATA (vfs301_06_2), NULL);
|
|
USB_RECV (VFS301_RECEIVE_ENDPOINT_CTRL, 2); /* 0000 */
|
|
USB_SEND (0x0220, 2);
|
|
PARALLEL_RECEIVE (
|
|
VFS301_RECEIVE_ENDPOINT_CTRL, 2, /* 0000 */
|
|
VFS301_RECEIVE_ENDPOINT_DATA, 5760
|
|
);
|
|
|
|
USB_SEND (0x1A, -1);
|
|
USB_RECV (VFS301_RECEIVE_ENDPOINT_CTRL, 2); /* 0000 */
|
|
usb_send (dev, RAW_DATA (vfs301_06_1), NULL);
|
|
USB_RECV (VFS301_RECEIVE_ENDPOINT_CTRL, 2); /* 0000 */
|
|
|
|
USB_SEND (0x1A, -1);
|
|
USB_RECV (VFS301_RECEIVE_ENDPOINT_CTRL, 2); /* 0000 */
|
|
usb_send (dev, RAW_DATA (vfs301_06_4), NULL);
|
|
USB_RECV (VFS301_RECEIVE_ENDPOINT_CTRL, 2); /* 0000 */
|
|
usb_send (dev, RAW_DATA (vfs301_24), NULL); /* turns on white */
|
|
USB_RECV (VFS301_RECEIVE_ENDPOINT_CTRL, 2); /* 0000 */
|
|
|
|
USB_SEND (0x01, -1);
|
|
USB_RECV (VFS301_RECEIVE_ENDPOINT_CTRL, 38);
|
|
USB_SEND (0x0220, 3);
|
|
USB_RECV (VFS301_RECEIVE_ENDPOINT_CTRL, 2368);
|
|
USB_RECV (VFS301_RECEIVE_ENDPOINT_CTRL, 36);
|
|
USB_RECV (VFS301_RECEIVE_ENDPOINT_DATA, 5760);
|
|
}
|
|
|
|
void
|
|
vfs301_proto_deinit (FpDeviceVfs301 *dev)
|
|
{
|
|
}
|