0169fe8cf6
There is still a warning where a USB transfer should be cancelled but it not at this point.
859 lines
23 KiB
C
859 lines
23 KiB
C
/*
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* Validity Sensors, Inc. VFS5011 Fingerprint Reader driver for libfprint
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* Copyright (C) 2013 Arseniy Lartsev <arseniy@chalmers.se>
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* AceLan Kao <acelan.kao@canonical.com>
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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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#define FP_COMPONENT "vfs5011"
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#include "drivers_api.h"
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#include "vfs5011_proto.h"
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/* =================== sync/async USB transfer sequence ==================== */
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enum {
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ACTION_SEND,
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ACTION_RECEIVE,
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};
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struct usb_action {
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int type;
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const char *name;
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int endpoint;
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int size;
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unsigned char *data;
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int correct_reply_size;
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};
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#define SEND(ENDPOINT, COMMAND) \
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{ \
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.type = ACTION_SEND, \
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.endpoint = ENDPOINT, \
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.name = #COMMAND, \
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.size = sizeof(COMMAND), \
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.data = COMMAND \
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},
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#define RECV(ENDPOINT, SIZE) \
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{ \
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.type = ACTION_RECEIVE, \
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.endpoint = ENDPOINT, \
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.size = SIZE, \
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.data = NULL \
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},
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#define RECV_CHECK(ENDPOINT, SIZE, EXPECTED) \
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{ \
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.type = ACTION_RECEIVE, \
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.endpoint = ENDPOINT, \
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.size = SIZE, \
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.data = EXPECTED, \
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.correct_reply_size = sizeof(EXPECTED) \
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},
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struct usbexchange_data {
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int stepcount;
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FpImageDevice *device;
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struct usb_action *actions;
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void *receive_buf;
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int timeout;
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};
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static void start_scan(FpImageDevice *dev);
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static void async_send_cb(FpiUsbTransfer *transfer, FpDevice *device,
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gpointer user_data, GError *error)
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{
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struct usbexchange_data *data = fpi_ssm_get_user_data(transfer->ssm);
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struct usb_action *action;
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g_assert(!(fpi_ssm_get_cur_state(transfer->ssm) >= data->stepcount));
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action = &data->actions[fpi_ssm_get_cur_state(transfer->ssm)];
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g_assert(!(action->type != ACTION_SEND));
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if (error) {
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/* Transfer not completed, return IO error */
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fpi_ssm_mark_failed(transfer->ssm, error);
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return;
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}
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/* success */
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fpi_ssm_next_state(transfer->ssm);
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}
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static void async_recv_cb(FpiUsbTransfer *transfer, FpDevice *device,
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gpointer user_data, GError *error)
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{
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struct usbexchange_data *data = fpi_ssm_get_user_data(transfer->ssm);
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struct usb_action *action;
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if (error) {
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/* Transfer not completed, return IO error */
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fpi_ssm_mark_failed(transfer->ssm, error);
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return;
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}
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g_assert(!(fpi_ssm_get_cur_state(transfer->ssm) >= data->stepcount));
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action = &data->actions[fpi_ssm_get_cur_state(transfer->ssm)];
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g_assert(!(action->type != ACTION_RECEIVE));
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if (action->data != NULL) {
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if (transfer->actual_length != action->correct_reply_size) {
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fp_err("Got %d bytes instead of %d",
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(gint)transfer->actual_length,
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action->correct_reply_size);
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fpi_ssm_mark_failed(transfer->ssm, fpi_device_error_new (FP_DEVICE_ERROR_GENERAL));
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return;
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}
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if (memcmp(transfer->buffer, action->data,
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action->correct_reply_size) != 0) {
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fp_dbg("Wrong reply:");
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fpi_ssm_mark_failed(transfer->ssm, fpi_device_error_new (FP_DEVICE_ERROR_GENERAL));
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return;
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}
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} else
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fp_dbg("Got %d bytes out of %d",
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(gint)transfer->actual_length,
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(gint)transfer->length);
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fpi_ssm_next_state(transfer->ssm);
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}
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static void usbexchange_loop(FpiSsm *ssm, FpDevice *_dev, void *user_data)
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{
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struct usbexchange_data *data = user_data;
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struct usb_action *action = &data->actions[fpi_ssm_get_cur_state(ssm)];
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FpiUsbTransfer *transfer;
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g_assert (fpi_ssm_get_cur_state(ssm) < data->stepcount);
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switch (action->type) {
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case ACTION_SEND:
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fp_dbg("Sending %s", action->name);
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transfer = fpi_usb_transfer_new(_dev);
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fpi_usb_transfer_fill_bulk_full(transfer, action->endpoint,
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action->data, action->size,
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NULL);
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transfer->ssm = ssm;
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transfer->short_is_error = TRUE;
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fpi_usb_transfer_submit(transfer, data->timeout, NULL,
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async_send_cb, NULL);
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fpi_usb_transfer_unref(transfer);
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break;
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case ACTION_RECEIVE:
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fp_dbg("Receiving %d bytes", action->size);
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transfer = fpi_usb_transfer_new(_dev);
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fpi_usb_transfer_fill_bulk_full(transfer, action->endpoint,
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data->receive_buf,
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action->size, NULL);
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transfer->ssm = ssm;
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fpi_usb_transfer_submit(transfer, data->timeout, NULL,
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async_recv_cb, NULL);
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fpi_usb_transfer_unref(transfer);
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break;
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default:
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fp_err("Bug detected: invalid action %d", action->type);
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fpi_ssm_mark_failed(ssm, fpi_device_error_new (FP_DEVICE_ERROR_GENERAL));
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return;
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}
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}
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static void usb_exchange_async(FpiSsm *ssm,
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struct usbexchange_data *data)
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{
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FpiSsm *subsm = fpi_ssm_new(FP_DEVICE(data->device),
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usbexchange_loop,
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data->stepcount,
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data);
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fpi_ssm_start_subsm(ssm, subsm);
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}
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/* ====================== utils ======================= */
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/* Calculade squared standand deviation of sum of two lines */
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static int vfs5011_get_deviation2(struct fpi_line_asmbl_ctx *ctx, GSList *row1, GSList *row2)
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{
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unsigned char *buf1, *buf2;
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int res = 0, mean = 0, i;
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const int size = 64;
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buf1 = row1->data + 56;
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buf2 = row2->data + 168;
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for (i = 0; i < size; i++)
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mean += (int)buf1[i] + (int)buf2[i];
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mean /= size;
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for (i = 0; i < size; i++) {
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int dev = (int)buf1[i] + (int)buf2[i] - mean;
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res += dev*dev;
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}
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return res / size;
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}
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static unsigned char vfs5011_get_pixel(struct fpi_line_asmbl_ctx *ctx,
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GSList *row,
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unsigned x)
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{
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unsigned char *data = row->data + 8;
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return data[x];
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}
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/* ====================== main stuff ======================= */
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enum {
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CAPTURE_LINES = 256,
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MAXLINES = 2000,
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MAX_CAPTURE_LINES = 100000,
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};
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static struct fpi_line_asmbl_ctx assembling_ctx = {
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.line_width = VFS5011_IMAGE_WIDTH,
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.max_height = MAXLINES,
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.resolution = 10,
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.median_filter_size = 25,
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.max_search_offset = 30,
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.get_deviation = vfs5011_get_deviation2,
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.get_pixel = vfs5011_get_pixel,
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};
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struct _FpDeviceVfs5011 {
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FpImageDevice parent;
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unsigned char *total_buffer;
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unsigned char *capture_buffer;
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unsigned char *row_buffer;
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unsigned char *lastline;
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GSList *rows;
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int lines_captured, lines_recorded, empty_lines;
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int max_lines_captured, max_lines_recorded;
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int lines_total, lines_total_allocated;
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gboolean loop_running;
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gboolean deactivating;
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struct usbexchange_data init_sequence;
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};
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G_DECLARE_FINAL_TYPE(FpDeviceVfs5011, fpi_device_vfs5011, FPI, DEVICE_VFS5011,
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FpImageDevice);
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G_DEFINE_TYPE(FpDeviceVfs5011, fpi_device_vfs5011, FP_TYPE_IMAGE_DEVICE);
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enum {
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DEV_ACTIVATE_REQUEST_FPRINT,
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DEV_ACTIVATE_INIT_COMPLETE,
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DEV_ACTIVATE_READ_DATA,
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DEV_ACTIVATE_DATA_COMPLETE,
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DEV_ACTIVATE_PREPARE_NEXT_CAPTURE,
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DEV_ACTIVATE_NUM_STATES
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};
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enum {
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DEV_OPEN_START,
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DEV_OPEN_NUM_STATES
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};
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static void capture_init(FpDeviceVfs5011 *self, int max_captured,
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int max_recorded)
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{
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fp_dbg("capture_init");
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self->lastline = NULL;
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self->lines_captured = 0;
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self->lines_recorded = 0;
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self->empty_lines = 0;
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self->lines_total = 0;
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self->lines_total_allocated = 0;
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self->total_buffer = NULL;
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self->max_lines_captured = max_captured;
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self->max_lines_recorded = max_recorded;
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}
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static int process_chunk(FpDeviceVfs5011 *self, int transferred)
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{
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enum {
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DEVIATION_THRESHOLD = 15*15,
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DIFFERENCE_THRESHOLD = 600,
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STOP_CHECK_LINES = 50
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};
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fp_dbg("process_chunk: got %d bytes", transferred);
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int lines_captured = transferred/VFS5011_LINE_SIZE;
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int i;
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for (i = 0; i < lines_captured; i++) {
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unsigned char *linebuf = self->capture_buffer
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+ i * VFS5011_LINE_SIZE;
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if (fpi_std_sq_dev(linebuf + 8, VFS5011_IMAGE_WIDTH)
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< DEVIATION_THRESHOLD) {
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if (self->lines_captured == 0)
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continue;
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else
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self->empty_lines++;
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} else
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self->empty_lines = 0;
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if (self->empty_lines >= STOP_CHECK_LINES) {
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fp_dbg("process_chunk: got %d empty lines, finishing",
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self->empty_lines);
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return 1;
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}
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self->lines_captured++;
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if (self->lines_captured > self->max_lines_captured) {
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fp_dbg("process_chunk: captured %d lines, finishing",
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self->lines_captured);
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return 1;
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}
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if ((self->lastline == NULL)
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|| (fpi_mean_sq_diff_norm(self->lastline + 8,
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linebuf + 8,
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VFS5011_IMAGE_WIDTH) >= DIFFERENCE_THRESHOLD)) {
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self->lastline = g_malloc(VFS5011_LINE_SIZE);
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self->rows = g_slist_prepend(self->rows,
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self->lastline);
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memmove(self->lastline, linebuf, VFS5011_LINE_SIZE);
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self->lines_recorded++;
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if (self->lines_recorded >= self->max_lines_recorded) {
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fp_dbg("process_chunk: recorded %d lines, finishing",
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self->lines_recorded);
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return 1;
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}
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}
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}
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return 0;
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}
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static void
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submit_image(FpiSsm *ssm,
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FpDeviceVfs5011 *self,
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FpImageDevice *dev)
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{
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FpImage *img;
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if (self->lines_recorded == 0) {
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/* == FP_ENROLL_RETRY_TOO_SHORT */
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fpi_image_device_retry_scan (dev, FP_DEVICE_RETRY_TOO_SHORT);
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return;
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}
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g_assert (self->rows != NULL);
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self->rows = g_slist_reverse(self->rows);
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img = fpi_assemble_lines(&assembling_ctx, self->rows,
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self->lines_recorded);
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g_slist_free_full(self->rows, g_free);
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self->rows = NULL;
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fp_dbg("Image captured, committing");
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fpi_image_device_image_captured(dev, img);
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}
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static void chunk_capture_callback(FpiUsbTransfer *transfer, FpDevice *device,
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gpointer user_data, GError *error)
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{
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FpImageDevice *dev = FP_IMAGE_DEVICE(device);
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FpDeviceVfs5011 *self;
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self = FPI_DEVICE_VFS5011(dev);
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if (!error ||
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g_error_matches(error, G_USB_DEVICE_ERROR, G_USB_DEVICE_ERROR_TIMED_OUT)) {
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if (error)
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g_error_free(error);
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if (transfer->actual_length > 0)
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fpi_image_device_report_finger_status(dev, TRUE);
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if (process_chunk(self, transfer->actual_length))
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fpi_ssm_jump_to_state(transfer->ssm,
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DEV_ACTIVATE_DATA_COMPLETE);
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else
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fpi_ssm_jump_to_state(transfer->ssm,
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DEV_ACTIVATE_READ_DATA);
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} else {
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if (!self->deactivating) {
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fp_err("Failed to capture data");
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fpi_ssm_mark_failed(transfer->ssm, error);
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} else {
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g_error_free (error);
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fpi_ssm_mark_completed(transfer->ssm);
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}
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}
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}
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static void capture_chunk_async(FpDeviceVfs5011 *self,
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GUsbDevice *handle, int nline,
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int timeout, FpiSsm *ssm)
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{
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FpiUsbTransfer *transfer;
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fp_dbg("capture_chunk_async: capture %d lines, already have %d",
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nline, self->lines_recorded);
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enum {
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DEVIATION_THRESHOLD = 15*15,
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DIFFERENCE_THRESHOLD = 600,
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STOP_CHECK_LINES = 50
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};
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transfer = fpi_usb_transfer_new(FP_DEVICE(self));
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fpi_usb_transfer_fill_bulk_full(transfer,
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VFS5011_IN_ENDPOINT_DATA,
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self->capture_buffer,
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nline * VFS5011_LINE_SIZE, NULL);
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transfer->ssm = ssm;
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fpi_usb_transfer_submit(transfer, timeout, fpi_device_get_cancellable (FP_DEVICE (self)),
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chunk_capture_callback, NULL);
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fpi_usb_transfer_unref(transfer);
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}
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/*
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* Device initialization. Windows driver only does it when the device is
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* plugged in, but it doesn't harm to do this every time before scanning the
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* image.
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*/
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struct usb_action vfs5011_initialization[] = {
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SEND(VFS5011_OUT_ENDPOINT, vfs5011_cmd_01)
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RECV(VFS5011_IN_ENDPOINT_CTRL, 64)
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SEND(VFS5011_OUT_ENDPOINT, vfs5011_cmd_19)
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RECV(VFS5011_IN_ENDPOINT_CTRL, 64)
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RECV(VFS5011_IN_ENDPOINT_CTRL, 64) /* B5C457F9 */
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SEND(VFS5011_OUT_ENDPOINT, vfs5011_init_00)
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RECV(VFS5011_IN_ENDPOINT_CTRL, 64) /* 0000FFFFFFFF */
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SEND(VFS5011_OUT_ENDPOINT, vfs5011_init_01)
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RECV(VFS5011_IN_ENDPOINT_CTRL, 64) /* 0000FFFFFFFFFF */
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SEND(VFS5011_OUT_ENDPOINT, vfs5011_init_02)
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/* 0000 */
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RECV_CHECK(VFS5011_IN_ENDPOINT_CTRL, 64, VFS5011_NORMAL_CONTROL_REPLY)
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SEND(VFS5011_OUT_ENDPOINT, vfs5011_cmd_01)
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RECV(VFS5011_IN_ENDPOINT_CTRL, 64)
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SEND(VFS5011_OUT_ENDPOINT, vfs5011_cmd_1A)
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/* 0000 */
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RECV_CHECK(VFS5011_IN_ENDPOINT_CTRL, 64, VFS5011_NORMAL_CONTROL_REPLY)
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SEND(VFS5011_OUT_ENDPOINT, vfs5011_init_03)
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/* 0000 */
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RECV_CHECK(VFS5011_IN_ENDPOINT_CTRL, 64, VFS5011_NORMAL_CONTROL_REPLY)
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SEND(VFS5011_OUT_ENDPOINT, vfs5011_init_04)
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/* 0000 */
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RECV_CHECK(VFS5011_IN_ENDPOINT_CTRL, 64, VFS5011_NORMAL_CONTROL_REPLY)
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RECV(VFS5011_IN_ENDPOINT_DATA, 256)
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RECV(VFS5011_IN_ENDPOINT_DATA, 64)
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SEND(VFS5011_OUT_ENDPOINT, vfs5011_cmd_1A)
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/* 0000 */
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RECV_CHECK(VFS5011_IN_ENDPOINT_CTRL, 64, VFS5011_NORMAL_CONTROL_REPLY)
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SEND(VFS5011_OUT_ENDPOINT, vfs5011_init_05)
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/* 0000 */
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RECV_CHECK(VFS5011_IN_ENDPOINT_CTRL, 64, VFS5011_NORMAL_CONTROL_REPLY)
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SEND(VFS5011_OUT_ENDPOINT, vfs5011_cmd_01)
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RECV(VFS5011_IN_ENDPOINT_CTRL, 64)
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SEND(VFS5011_OUT_ENDPOINT, vfs5011_init_06)
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/* 0000 */
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RECV_CHECK(VFS5011_IN_ENDPOINT_CTRL, 64, VFS5011_NORMAL_CONTROL_REPLY)
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RECV(VFS5011_IN_ENDPOINT_DATA, 17216)
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RECV(VFS5011_IN_ENDPOINT_DATA, 32)
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SEND(VFS5011_OUT_ENDPOINT, vfs5011_init_07)
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/* 0000 */
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RECV_CHECK(VFS5011_IN_ENDPOINT_CTRL, 64, VFS5011_NORMAL_CONTROL_REPLY)
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RECV(VFS5011_IN_ENDPOINT_DATA, 45056)
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SEND(VFS5011_OUT_ENDPOINT, vfs5011_init_08)
|
|
/* 0000 */
|
|
RECV_CHECK(VFS5011_IN_ENDPOINT_CTRL, 64, VFS5011_NORMAL_CONTROL_REPLY)
|
|
RECV(VFS5011_IN_ENDPOINT_DATA, 16896)
|
|
|
|
SEND(VFS5011_OUT_ENDPOINT, vfs5011_init_09)
|
|
/* 0000 */
|
|
RECV_CHECK(VFS5011_IN_ENDPOINT_CTRL, 64, VFS5011_NORMAL_CONTROL_REPLY)
|
|
RECV(VFS5011_IN_ENDPOINT_DATA, 4928)
|
|
|
|
SEND(VFS5011_OUT_ENDPOINT, vfs5011_init_10)
|
|
/* 0000 */
|
|
RECV_CHECK(VFS5011_IN_ENDPOINT_CTRL, 64, VFS5011_NORMAL_CONTROL_REPLY)
|
|
RECV(VFS5011_IN_ENDPOINT_DATA, 5632)
|
|
|
|
SEND(VFS5011_OUT_ENDPOINT, vfs5011_init_11)
|
|
/* 0000 */
|
|
RECV_CHECK(VFS5011_IN_ENDPOINT_CTRL, 64, VFS5011_NORMAL_CONTROL_REPLY)
|
|
RECV(VFS5011_IN_ENDPOINT_DATA, 5632)
|
|
|
|
SEND(VFS5011_OUT_ENDPOINT, vfs5011_init_12)
|
|
/* 0000 */
|
|
RECV_CHECK(VFS5011_IN_ENDPOINT_CTRL, 64, VFS5011_NORMAL_CONTROL_REPLY)
|
|
RECV(VFS5011_IN_ENDPOINT_DATA, 3328)
|
|
RECV(VFS5011_IN_ENDPOINT_DATA, 64)
|
|
|
|
SEND(VFS5011_OUT_ENDPOINT, vfs5011_init_13)
|
|
/* 0000 */
|
|
RECV_CHECK(VFS5011_IN_ENDPOINT_CTRL, 64, VFS5011_NORMAL_CONTROL_REPLY)
|
|
|
|
SEND(VFS5011_OUT_ENDPOINT, vfs5011_cmd_1A)
|
|
/* 0000 */
|
|
RECV_CHECK(VFS5011_IN_ENDPOINT_CTRL, 64, VFS5011_NORMAL_CONTROL_REPLY)
|
|
|
|
SEND(VFS5011_OUT_ENDPOINT, vfs5011_init_03)
|
|
/* 0000 */
|
|
RECV_CHECK(VFS5011_IN_ENDPOINT_CTRL, 64, VFS5011_NORMAL_CONTROL_REPLY)
|
|
|
|
SEND(VFS5011_OUT_ENDPOINT, vfs5011_init_14)
|
|
/* 0000 */
|
|
RECV_CHECK(VFS5011_IN_ENDPOINT_CTRL, 64, VFS5011_NORMAL_CONTROL_REPLY)
|
|
RECV(VFS5011_IN_ENDPOINT_DATA, 4800)
|
|
|
|
SEND(VFS5011_OUT_ENDPOINT, vfs5011_cmd_1A)
|
|
/* 0000 */
|
|
RECV_CHECK(VFS5011_IN_ENDPOINT_CTRL, 64, VFS5011_NORMAL_CONTROL_REPLY)
|
|
|
|
SEND(VFS5011_OUT_ENDPOINT, vfs5011_init_02)
|
|
/* 0000 */
|
|
RECV_CHECK(VFS5011_IN_ENDPOINT_CTRL, 64, VFS5011_NORMAL_CONTROL_REPLY)
|
|
|
|
SEND(VFS5011_OUT_ENDPOINT, vfs5011_cmd_27)
|
|
RECV(VFS5011_IN_ENDPOINT_CTRL, 64)
|
|
|
|
SEND(VFS5011_OUT_ENDPOINT, vfs5011_cmd_1A)
|
|
/* 0000 */
|
|
RECV_CHECK(VFS5011_IN_ENDPOINT_CTRL, 64, VFS5011_NORMAL_CONTROL_REPLY)
|
|
|
|
SEND(VFS5011_OUT_ENDPOINT, vfs5011_init_15)
|
|
/* 0000 */
|
|
RECV_CHECK(VFS5011_IN_ENDPOINT_CTRL, 64, VFS5011_NORMAL_CONTROL_REPLY)
|
|
|
|
SEND(VFS5011_OUT_ENDPOINT, vfs5011_init_16)
|
|
RECV(VFS5011_IN_ENDPOINT_CTRL, 2368)
|
|
RECV(VFS5011_IN_ENDPOINT_CTRL, 64)
|
|
RECV(VFS5011_IN_ENDPOINT_DATA, 4800)
|
|
|
|
SEND(VFS5011_OUT_ENDPOINT, vfs5011_init_17)
|
|
/* 0000 */
|
|
RECV_CHECK(VFS5011_IN_ENDPOINT_CTRL, 64, VFS5011_NORMAL_CONTROL_REPLY)
|
|
|
|
SEND(VFS5011_OUT_ENDPOINT, vfs5011_init_18)
|
|
/* 0000 */
|
|
RECV_CHECK(VFS5011_IN_ENDPOINT_CTRL, 64, VFS5011_NORMAL_CONTROL_REPLY)
|
|
|
|
/*
|
|
* Windows driver does this and it works
|
|
* But in this driver this call never returns...
|
|
* RECV(VFS5011_IN_ENDPOINT_CTRL2, 8) //00D3054000
|
|
*/
|
|
};
|
|
|
|
/* Initiate recording the image */
|
|
struct usb_action vfs5011_initiate_capture[] = {
|
|
SEND(VFS5011_OUT_ENDPOINT, vfs5011_cmd_04)
|
|
RECV(VFS5011_IN_ENDPOINT_DATA, 64)
|
|
RECV(VFS5011_IN_ENDPOINT_DATA, 84032)
|
|
RECV_CHECK(VFS5011_IN_ENDPOINT_CTRL, 64, VFS5011_NORMAL_CONTROL_REPLY)
|
|
|
|
SEND(VFS5011_OUT_ENDPOINT, vfs5011_cmd_1A)
|
|
RECV_CHECK(VFS5011_IN_ENDPOINT_CTRL, 64, VFS5011_NORMAL_CONTROL_REPLY)
|
|
|
|
SEND(VFS5011_OUT_ENDPOINT, vfs5011_prepare_00)
|
|
RECV_CHECK(VFS5011_IN_ENDPOINT_CTRL, 64, VFS5011_NORMAL_CONTROL_REPLY)
|
|
|
|
SEND(VFS5011_OUT_ENDPOINT, vfs5011_cmd_1A)
|
|
RECV_CHECK(VFS5011_IN_ENDPOINT_CTRL, 64, VFS5011_NORMAL_CONTROL_REPLY)
|
|
|
|
SEND(VFS5011_OUT_ENDPOINT, vfs5011_prepare_01)
|
|
RECV_CHECK(VFS5011_IN_ENDPOINT_CTRL, 64, VFS5011_NORMAL_CONTROL_REPLY)
|
|
|
|
SEND(VFS5011_OUT_ENDPOINT, vfs5011_prepare_02)
|
|
RECV(VFS5011_IN_ENDPOINT_CTRL, 2368)
|
|
RECV(VFS5011_IN_ENDPOINT_CTRL, 64)
|
|
RECV(VFS5011_IN_ENDPOINT_DATA, 4800)
|
|
|
|
SEND(VFS5011_OUT_ENDPOINT, vfs5011_prepare_03)
|
|
RECV_CHECK(VFS5011_IN_ENDPOINT_CTRL, 64, VFS5011_NORMAL_CONTROL_REPLY)
|
|
/*
|
|
* Windows driver does this and it works
|
|
* But in this driver this call never returns...
|
|
* RECV(VFS5011_IN_ENDPOINT_CTRL2, 8);
|
|
*/
|
|
|
|
SEND(VFS5011_OUT_ENDPOINT, vfs5011_prepare_04)
|
|
RECV_CHECK(VFS5011_IN_ENDPOINT_CTRL, 2368, VFS5011_NORMAL_CONTROL_REPLY)
|
|
|
|
/*
|
|
* Windows driver does this and it works
|
|
* But in this driver this call never returns...
|
|
* RECV(VFS5011_IN_ENDPOINT_CTRL2, 8);
|
|
*/
|
|
};
|
|
|
|
/* ====================== lifprint interface ======================= */
|
|
|
|
static void activate_loop(FpiSsm *ssm, FpDevice *_dev, void *user_data)
|
|
{
|
|
enum {READ_TIMEOUT = 0};
|
|
|
|
FpImageDevice *dev = user_data;
|
|
FpDeviceVfs5011 *self;
|
|
|
|
self = FPI_DEVICE_VFS5011(_dev);
|
|
|
|
fp_dbg("main_loop: state %d", fpi_ssm_get_cur_state(ssm));
|
|
|
|
if (self->deactivating) {
|
|
fp_dbg("deactivating, marking completed");
|
|
fpi_ssm_mark_completed(ssm);
|
|
return;
|
|
}
|
|
|
|
switch (fpi_ssm_get_cur_state(ssm)) {
|
|
case DEV_ACTIVATE_REQUEST_FPRINT:
|
|
self->init_sequence.stepcount =
|
|
G_N_ELEMENTS(vfs5011_initiate_capture);
|
|
self->init_sequence.actions = vfs5011_initiate_capture;
|
|
self->init_sequence.device = dev;
|
|
if (self->init_sequence.receive_buf == NULL)
|
|
self->init_sequence.receive_buf =
|
|
g_malloc0(VFS5011_RECEIVE_BUF_SIZE);
|
|
self->init_sequence.timeout = 1000;
|
|
usb_exchange_async(ssm, &self->init_sequence);
|
|
break;
|
|
|
|
case DEV_ACTIVATE_INIT_COMPLETE:
|
|
if (self->init_sequence.receive_buf != NULL)
|
|
g_free(self->init_sequence.receive_buf);
|
|
self->init_sequence.receive_buf = NULL;
|
|
capture_init(self, MAX_CAPTURE_LINES, MAXLINES);
|
|
fpi_image_device_activate_complete(dev, NULL);
|
|
fpi_ssm_next_state(ssm);
|
|
break;
|
|
|
|
case DEV_ACTIVATE_READ_DATA:
|
|
capture_chunk_async(self,
|
|
fpi_device_get_usb_device(FP_DEVICE(dev)),
|
|
CAPTURE_LINES,
|
|
READ_TIMEOUT, ssm);
|
|
break;
|
|
|
|
case DEV_ACTIVATE_DATA_COMPLETE:
|
|
fpi_device_add_timeout(_dev, 1,
|
|
fpi_ssm_next_state_timeout_cb,
|
|
ssm);
|
|
|
|
break;
|
|
|
|
case DEV_ACTIVATE_PREPARE_NEXT_CAPTURE:
|
|
self->init_sequence.stepcount =
|
|
G_N_ELEMENTS(vfs5011_initiate_capture);
|
|
self->init_sequence.actions = vfs5011_initiate_capture;
|
|
self->init_sequence.device = dev;
|
|
if (self->init_sequence.receive_buf == NULL)
|
|
self->init_sequence.receive_buf =
|
|
g_malloc0(VFS5011_RECEIVE_BUF_SIZE);
|
|
self->init_sequence.timeout = VFS5011_DEFAULT_WAIT_TIMEOUT;
|
|
usb_exchange_async(ssm, &self->init_sequence);
|
|
break;
|
|
|
|
}
|
|
}
|
|
|
|
static void activate_loop_complete(FpiSsm *ssm, FpDevice *_dev,
|
|
void *user_data, GError *error)
|
|
{
|
|
FpImageDevice *dev = user_data;
|
|
FpDeviceVfs5011 *self;
|
|
|
|
self = FPI_DEVICE_VFS5011(_dev);
|
|
|
|
fp_dbg("finishing");
|
|
if (self->init_sequence.receive_buf != NULL)
|
|
g_free(self->init_sequence.receive_buf);
|
|
self->init_sequence.receive_buf = NULL;
|
|
if (!self->deactivating && !error) {
|
|
submit_image(ssm, self, dev);
|
|
fpi_image_device_report_finger_status(dev, FALSE);
|
|
}
|
|
fpi_ssm_free(ssm);
|
|
|
|
self->loop_running = FALSE;
|
|
|
|
if (self->deactivating) {
|
|
fpi_image_device_deactivate_complete(dev, error);
|
|
} else if (error) {
|
|
fpi_image_device_session_error(dev, error);
|
|
} else {
|
|
start_scan(dev);
|
|
}
|
|
}
|
|
|
|
|
|
static void open_loop(FpiSsm *ssm, FpDevice *_dev, void *user_data)
|
|
{
|
|
FpImageDevice *dev = user_data;
|
|
FpDeviceVfs5011 *self;
|
|
|
|
self = FPI_DEVICE_VFS5011(_dev);
|
|
|
|
switch (fpi_ssm_get_cur_state(ssm)) {
|
|
case DEV_OPEN_START:
|
|
self->init_sequence.stepcount =
|
|
G_N_ELEMENTS(vfs5011_initialization);
|
|
self->init_sequence.actions = vfs5011_initialization;
|
|
self->init_sequence.device = dev;
|
|
self->init_sequence.receive_buf =
|
|
g_malloc0(VFS5011_RECEIVE_BUF_SIZE);
|
|
self->init_sequence.timeout = VFS5011_DEFAULT_WAIT_TIMEOUT;
|
|
usb_exchange_async(ssm, &self->init_sequence);
|
|
break;
|
|
};
|
|
}
|
|
|
|
static void open_loop_complete(FpiSsm *ssm, FpDevice *_dev, void *user_data,
|
|
GError *error)
|
|
{
|
|
FpImageDevice *dev = user_data;
|
|
FpDeviceVfs5011 *self;
|
|
|
|
self = FPI_DEVICE_VFS5011(_dev);
|
|
g_free(self->init_sequence.receive_buf);
|
|
self->init_sequence.receive_buf = NULL;
|
|
|
|
fpi_image_device_open_complete(dev, error);
|
|
fpi_ssm_free(ssm);
|
|
}
|
|
|
|
static void dev_open(FpImageDevice *dev)
|
|
{
|
|
FpiSsm *ssm;
|
|
GError *error = NULL;
|
|
FpDeviceVfs5011 *self;
|
|
|
|
self = FPI_DEVICE_VFS5011(dev);
|
|
self->capture_buffer =
|
|
(unsigned char *)g_malloc0(CAPTURE_LINES * VFS5011_LINE_SIZE);
|
|
|
|
if (!g_usb_device_claim_interface(fpi_device_get_usb_device(FP_DEVICE(dev)), 0, 0, &error)) {
|
|
fpi_image_device_open_complete(dev, error);
|
|
return;
|
|
}
|
|
|
|
ssm = fpi_ssm_new(FP_DEVICE(dev), open_loop, DEV_OPEN_NUM_STATES, dev);
|
|
fpi_ssm_start(ssm, open_loop_complete);
|
|
}
|
|
|
|
static void dev_close(FpImageDevice *dev)
|
|
{
|
|
GError *error = NULL;
|
|
FpDeviceVfs5011 *self = FPI_DEVICE_VFS5011(dev);;
|
|
|
|
g_usb_device_release_interface(fpi_device_get_usb_device(FP_DEVICE(dev)),
|
|
0, 0, &error);
|
|
|
|
g_free(self->capture_buffer);
|
|
g_slist_free_full(self->rows, g_free);
|
|
|
|
fpi_image_device_close_complete(dev, error);
|
|
}
|
|
|
|
static void start_scan(FpImageDevice *dev)
|
|
{
|
|
FpDeviceVfs5011 *self;
|
|
FpiSsm *ssm;
|
|
|
|
self = FPI_DEVICE_VFS5011(dev);
|
|
self->loop_running = TRUE;
|
|
fp_dbg("creating ssm");
|
|
ssm = fpi_ssm_new(FP_DEVICE(dev), activate_loop,
|
|
DEV_ACTIVATE_NUM_STATES, dev);
|
|
fp_dbg("starting ssm");
|
|
fpi_ssm_start(ssm, activate_loop_complete);
|
|
fp_dbg("ssm done, getting out");
|
|
}
|
|
|
|
static void dev_activate(FpImageDevice *dev)
|
|
{
|
|
FpDeviceVfs5011 *self;
|
|
|
|
self = FPI_DEVICE_VFS5011(dev);
|
|
fp_dbg("device initialized");
|
|
self->deactivating = FALSE;
|
|
|
|
start_scan(dev);
|
|
}
|
|
|
|
static void dev_deactivate(FpImageDevice *dev)
|
|
{
|
|
FpDeviceVfs5011 *self;
|
|
|
|
self = FPI_DEVICE_VFS5011(dev);
|
|
if (self->loop_running) {
|
|
self->deactivating = TRUE;
|
|
} else
|
|
fpi_image_device_deactivate_complete(dev, NULL);
|
|
}
|
|
|
|
static const FpIdEntry id_table [ ] = {
|
|
{ /* Validity device from some Toshiba laptops */ .vid = 0x138a, .pid = 0x0010,
|
|
},
|
|
{ /* vfs5011 */ .vid = 0x138a, .pid = 0x0011,
|
|
},
|
|
{ /* Validity device from Lenovo Preferred Pro USB Fingerprint Keyboard KUF1256 */ .vid = 0x138a, .pid = 0x0015,
|
|
},
|
|
{ /* Validity device from Lenovo T440 laptops */ .vid = 0x138a, .pid = 0x0017,
|
|
},
|
|
{ /* one more Validity device */ .vid = 0x138a, .pid = 0x0018,
|
|
},
|
|
{ .vid = 0, .pid = 0, .driver_data = 0 },
|
|
};
|
|
|
|
static void fpi_device_vfs5011_init(FpDeviceVfs5011 *self) {
|
|
}
|
|
static void fpi_device_vfs5011_class_init(FpDeviceVfs5011Class *klass) {
|
|
FpDeviceClass *dev_class = FP_DEVICE_CLASS(klass);
|
|
FpImageDeviceClass *img_class = FP_IMAGE_DEVICE_CLASS(klass);
|
|
|
|
dev_class->id = "vfs5011";
|
|
dev_class->full_name = "Validity VFS5011";
|
|
dev_class->type = FP_DEVICE_TYPE_USB;
|
|
dev_class->id_table = id_table;
|
|
dev_class->scan_type = FP_SCAN_TYPE_SWIPE;
|
|
|
|
img_class->img_open = dev_open;
|
|
img_class->img_close = dev_close;
|
|
img_class->activate = dev_activate;
|
|
img_class->deactivate = dev_deactivate;
|
|
|
|
img_class->bz3_threshold = 20;
|
|
|
|
img_class->img_width = VFS5011_IMAGE_WIDTH;
|
|
img_class->img_height = -1;
|
|
}
|
|
|