libfprint/libfprint/drivers/aes1660.c

127 lines
3.6 KiB
C

/*
* AuthenTec AES1660 driver for libfprint
* Copyright (C) 2012 Vasily Khoruzhick
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#define FP_COMPONENT "aes1660"
#include <stdio.h>
#include <errno.h>
#include <string.h>
#include <libusb.h>
#include <fp_internal.h>
#include "aesx660.h"
#include "aes1660.h"
#include "driver_ids.h"
#define FRAME_WIDTH 128
#define SCALE_FACTOR 2
static int dev_init(struct fp_img_dev *dev, unsigned long driver_data)
{
/* TODO check that device has endpoints we're using */
int r;
struct aesX660_dev *aesdev;
r = libusb_claim_interface(dev->udev, 0);
if (r < 0) {
fp_err("could not claim interface 0");
return r;
}
dev->priv = aesdev = g_malloc0(sizeof(struct aesX660_dev));
if (!aesdev)
return -ENOMEM;
aesdev->buffer = g_malloc0(AES1660_FRAME_SIZE + AESX660_HEADER_SIZE);
if (!aesdev->buffer) {
g_free(aesdev);
dev->priv = NULL;
return -ENOMEM;
}
aesdev->h_scale_factor = SCALE_FACTOR;
aesdev->init_seqs[0] = aes1660_init_1;
aesdev->init_seqs_len[0] = array_n_elements(aes1660_init_1);
aesdev->init_seqs[1] = aes1660_init_2;
aesdev->init_seqs_len[1] = array_n_elements(aes1660_init_2);
aesdev->start_imaging_cmd = (unsigned char *)aes1660_start_imaging_cmd;
aesdev->start_imaging_cmd_len = sizeof(aes1660_start_imaging_cmd);
aesdev->frame_width = FRAME_WIDTH;
fpi_imgdev_open_complete(dev, 0);
return 0;
}
static void dev_deinit(struct fp_img_dev *dev)
{
struct aesX660_dev *aesdev = dev->priv;
g_free(aesdev->buffer);
g_free(aesdev);
libusb_release_interface(dev->udev, 0);
fpi_imgdev_close_complete(dev);
}
static const struct usb_id id_table[] = {
{ .vendor = 0x08ff, .product = 0x1660 },
{ .vendor = 0x08ff, .product = 0x1680 },
{ .vendor = 0x08ff, .product = 0x1681 },
{ .vendor = 0x08ff, .product = 0x1682 },
{ .vendor = 0x08ff, .product = 0x1683 },
{ .vendor = 0x08ff, .product = 0x1684 },
{ .vendor = 0x08ff, .product = 0x1685 },
{ .vendor = 0x08ff, .product = 0x1686 },
{ .vendor = 0x08ff, .product = 0x1687 },
{ .vendor = 0x08ff, .product = 0x1688 },
{ .vendor = 0x08ff, .product = 0x1689 },
{ .vendor = 0x08ff, .product = 0x168a },
{ .vendor = 0x08ff, .product = 0x168b },
{ .vendor = 0x08ff, .product = 0x168c },
{ .vendor = 0x08ff, .product = 0x168d },
{ .vendor = 0x08ff, .product = 0x168e },
{ .vendor = 0x08ff, .product = 0x168f },
{ 0, 0, 0, },
};
struct fp_img_driver aes1660_driver = {
.driver = {
.id = AES1660_ID,
.name = FP_COMPONENT,
.full_name = "AuthenTec AES1660",
.id_table = id_table,
.scan_type = FP_SCAN_TYPE_SWIPE,
},
.flags = 0,
.img_height = -1,
.img_width = FRAME_WIDTH * SCALE_FACTOR,
/* temporarily lowered until we sort out image processing code
* binarized scan quality is good, minutiae detection is accurate,
* it's just that we get fewer minutiae than other scanners (less scanning
* area) */
.bz3_threshold = 25,
.open = dev_init,
.close = dev_deinit,
.activate = aesX660_dev_activate,
.deactivate = aesX660_dev_deactivate,
};