libfprint/libfprint/drivers/aesx660.h
Vasily Khoruzhick 061a457658 aeslib: improve frame-assembling routines
Some scanners provide hardware assistance in frame assemling, i.e.
horizontal and vertical offset to previous frame is provided. This
commit improves code to utilise that assistance. Sensors without
hardware assistance will use software algorithm, which was also
improved to do search in horizontal direction.
2015-01-31 13:18:23 +03:00

121 lines
3.2 KiB
C

/*
* AuthenTec AES1660/AES2660 common definitions
* Copyright (c) 2012 Vasily Khoruzhick <anarsoul@gmail.com>
*
* 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
*/
#ifndef __AESX660_H
#define __AESX660_H
#define AESX660_HEADER_SIZE 3
#define AESX660_RESPONSE_TYPE_OFFSET 0x00
#define AESX660_RESPONSE_SIZE_LSB_OFFSET 0x01
#define AESX660_RESPONSE_SIZE_MSB_OFFSET 0x02
#define AESX660_CALIBRATE_RESPONSE 0x06
#define AESX660_FINGER_DET_RESPONSE 0x40
#define AESX660_FINGER_PRESENT_OFFSET 0x03
#define AESX660_FINGER_PRESENT 0x01
#define AESX660_IMAGE_OK_OFFSET 0x03
#define AESX660_IMAGE_OK 0x0d
#define AESX660_LAST_FRAME_OFFSET 0x04
#define AESX660_LAST_FRAME_BIT 0x01
#define AESX660_FRAME_DELTA_X_OFFSET 16
#define AESX660_FRAME_DELTA_Y_OFFSET 17
#define AESX660_IMAGE_OFFSET 43
#define AESX660_BULK_TRANSFER_SIZE 4096
struct aesX660_dev {
GSList *strips;
size_t strips_len;
gboolean deactivating;
struct aesX660_cmd *init_seq;
size_t init_seq_len;
unsigned int init_cmd_idx;
unsigned int init_seq_idx;
struct libusb_transfer *fd_data_transfer;
unsigned char *buffer;
size_t buffer_size;
size_t buffer_max;
/* Device-specific stuff */
int h_scale_factor;
struct aesX660_cmd *init_seqs[2];
size_t init_seqs_len[2];
unsigned char *start_imaging_cmd;
size_t start_imaging_cmd_len;
unsigned int frame_width;
};
struct aesX660_cmd {
const unsigned char *cmd;
size_t len;
};
/* 0x77 cmd seems to control LED, this sequence
* makes LED blink
*/
static const unsigned char led_blink_cmd[] = {
0x77, 0x18, 0x00,
0x00, 0x3f, 0x00, 0xff, 0x00,
0x01, 0x01, 0x00, 0x00, 0x00, 0xf3, 0x01, 0x00,
0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x00, 0xf3,
0x01, 0x00, 0x7f
};
/* This sequence makes LED light solid
*/
static const unsigned char led_solid_cmd[] = {
0x77, 0x18, 0x00, 0x00, 0x3f, 0x00, 0xff, 0x00,
0x01, 0x01, 0x00, 0x00, 0x00, 0xe7, 0x03, 0x00,
0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x7f
};
static const unsigned char wait_for_finger_cmd[] = {
0x20,
0x40, 0x04, 0x00, 0x02, 0x1e, 0x00, 0x32
};
/* 0x40 cmd response
*
static const unsigned char pkt1371[] = {
0x40, 0x01, 0x00, 0x01
};
*/
static const unsigned char set_idle_cmd[] = {
0x0d, /* Reset or "set idle"? */
};
static const unsigned char read_id_cmd[] = {
0x44, 0x02, 0x00, 0x08, 0x00, /* Max transfer size is 8 */
0x07, /* Read ID? */
};
static const unsigned char calibrate_cmd[] = {
0x44, 0x02, 0x00, 0x04, 0x00,
0x06,
};
int aesX660_dev_activate(struct fp_img_dev *dev, enum fp_imgdev_state state);
void aesX660_dev_deactivate(struct fp_img_dev *dev);
#endif