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lib: add AES1660/AES2660 common routines

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https://bugs.freedesktop.org/show_bug.cgi?id=57426
This commit is contained in:
Vasily Khoruzhick 2012-11-25 20:47:01 +03:00 committed by Bastien Nocera
parent 22d204cc68
commit c1da647aed
4 changed files with 765 additions and 0 deletions
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6
configure.ac
View file

@ -121,6 +121,7 @@ AM_CONDITIONAL([ENABLE_AES2501], [test "$enable_aes2501" = "yes"])
AM_CONDITIONAL([ENABLE_AES2550], [test "$enable_aes2550" = "yes"])
AM_CONDITIONAL([ENABLE_AES4000], [test "$enable_aes4000" = "yes"])
AM_CONDITIONAL([REQUIRE_AESLIB], [test "$require_aeslib" = "yes"])
AM_CONDITIONAL([REQUIRE_AESX660], [test "$require_aesX660" = "yes"])
AM_CONDITIONAL([ENABLE_VFS101], [test "$enable_vfs101" = "yes"])
AM_CONDITIONAL([ENABLE_VFS301], [test "$enable_vfs301" = "yes"])
@ -325,6 +326,11 @@ if test x$require_aeslib != xno ; then
else
AC_MSG_NOTICE([ aeslib helper functions disabled])
fi
if test x$require_aesX660 != xno ; then
AC_MSG_NOTICE([** aesX660 common routines enabled])
else
AC_MSG_NOTICE([ aesX660 common routines disabled])
fi
AC_CONFIG_FILES([libfprint.pc] [Makefile] [libfprint/Makefile] [examples/Makefile] [doc/Makefile])
AC_OUTPUT

5
libfprint/Makefile.am
View file

@ -31,6 +31,7 @@ EXTRA_DIST = \
$(VFS101_SRC) \
$(VFS301_SRC) \
aeslib.c aeslib.h \
aesx660.c aesx660.h \
imagemagick.c \
gdkpixbuf.c \
60-fprint-autosuspend.rules
@ -158,6 +159,10 @@ if REQUIRE_AESLIB
OTHER_SRC += aeslib.c aeslib.h
endif
if REQUIRE_AESX660
OTHER_SRC += drivers/aesx660.c drivers/aesx660.h
endif
libfprint_la_SOURCES = \
fp_internal.h \
async.c \

637
libfprint/drivers/aesx660.c Normal file
View file

@ -0,0 +1,637 @@
/*
* AuthenTec AES1660/AES2660 common routines
* Copyright (C) 2007-2008 Daniel Drake <dsd@gentoo.org>
* Copyright (C) 2007 Cyrille Bagard
* Copyright (C) 2007-2008,2012 Vasily Khoruzhick
*
* Based on AES2550 driver
*
* 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 "aesX660"
#include <stdio.h>
#include <errno.h>
#include <string.h>
#include <libusb.h>
#include <aeslib.h>
#include <fp_internal.h>
#include "aesx660.h"
static void start_capture(struct fp_img_dev *dev);
static void complete_deactivation(struct fp_img_dev *dev);
#define EP_IN (1 | LIBUSB_ENDPOINT_IN)
#define EP_OUT (2 | LIBUSB_ENDPOINT_OUT)
#define BULK_TIMEOUT 4000
#define FRAME_HEIGHT 8
#define min(a, b) (((a) < (b)) ? (a) : (b))
static void aesX660_send_cmd_timeout(struct fpi_ssm *ssm, const unsigned char *cmd,
size_t cmd_len, libusb_transfer_cb_fn callback, int timeout)
{
struct fp_img_dev *dev = ssm->priv;
struct libusb_transfer *transfer = libusb_alloc_transfer(0);
int r;
if (!transfer) {
fpi_ssm_mark_aborted(ssm, -ENOMEM);
return;
}
libusb_fill_bulk_transfer(transfer, dev->udev, EP_OUT,
(unsigned char *)cmd, cmd_len,
callback, ssm, timeout);
r = libusb_submit_transfer(transfer);
if (r < 0) {
fp_dbg("failed to submit transfer\n");
libusb_free_transfer(transfer);
fpi_ssm_mark_aborted(ssm, -ENOMEM);
}
}
static void aesX660_send_cmd(struct fpi_ssm *ssm, const unsigned char *cmd,
size_t cmd_len, libusb_transfer_cb_fn callback)
{
return aesX660_send_cmd_timeout(ssm, cmd, cmd_len, callback, BULK_TIMEOUT);
}
static void aesX660_read_response(struct fpi_ssm *ssm, size_t buf_len,
libusb_transfer_cb_fn callback)
{
struct fp_img_dev *dev = ssm->priv;
struct libusb_transfer *transfer = libusb_alloc_transfer(0);
unsigned char *data;
int r;
if (!transfer) {
fpi_ssm_mark_aborted(ssm, -ENOMEM);
return;
}
data = g_malloc(buf_len);
libusb_fill_bulk_transfer(transfer, dev->udev, EP_IN,
data, buf_len,
callback, ssm, BULK_TIMEOUT);
r = libusb_submit_transfer(transfer);
if (r < 0) {
fp_dbg("Failed to submit rx transfer: %d\n", r);
g_free(data);
libusb_free_transfer(transfer);
fpi_ssm_mark_aborted(ssm, r);
}
}
static void aesX660_send_cmd_cb(struct libusb_transfer *transfer)
{
struct fpi_ssm *ssm = transfer->user_data;
if ((transfer->status == LIBUSB_TRANSFER_COMPLETED) &&
(transfer->length == transfer->actual_length)) {
fpi_ssm_next_state(ssm);
} else {
fp_dbg("tx transfer status: %d, actual_len: %.4x\n",
transfer->status, transfer->actual_length);
fpi_ssm_mark_aborted(ssm, -EIO);
}
libusb_free_transfer(transfer);
}
static void aesX660_read_calibrate_data_cb(struct libusb_transfer *transfer)
{
struct fpi_ssm *ssm = transfer->user_data;
unsigned char *data = transfer->buffer;
if ((transfer->status != LIBUSB_TRANSFER_COMPLETED) ||
(transfer->length != transfer->actual_length)) {
fpi_ssm_mark_aborted(ssm, -EIO);
goto out;
}
/* Calibrate response was read correctly? */
if (data[AESX660_RESPONSE_TYPE_OFFSET] != AESX660_CALIBRATE_RESPONSE) {
fp_dbg("Bogus calibrate response: %.2x\n", data[0]);
fpi_ssm_mark_aborted(ssm, -EPROTO);
goto out;
}
fpi_ssm_next_state(ssm);
out:
g_free(transfer->buffer);
libusb_free_transfer(transfer);
}
/****** FINGER PRESENCE DETECTION ******/
enum finger_det_states {
FINGER_DET_SEND_LED_CMD,
FINGER_DET_SEND_FD_CMD,
FINGER_DET_READ_FD_DATA,
FINGER_DET_SET_IDLE,
FINGER_DET_NUM_STATES,
};
static void finger_det_read_fd_data_cb(struct libusb_transfer *transfer)
{
struct fpi_ssm *ssm = transfer->user_data;
struct fp_img_dev *dev = ssm->priv;
struct aesX660_dev *aesdev = dev->priv;
unsigned char *data = transfer->buffer;
aesdev->fd_data_transfer = NULL;
if (transfer->status == LIBUSB_TRANSFER_CANCELLED) {
fp_dbg("Cancelling transfer...\n");
fpi_ssm_next_state(ssm);
goto out;
}
if ((transfer->status != LIBUSB_TRANSFER_COMPLETED) ||
(transfer->length != transfer->actual_length)) {
fp_dbg("Failed to read FD data\n");
fpi_ssm_mark_aborted(ssm, -EIO);
goto out;
}
if (data[AESX660_RESPONSE_TYPE_OFFSET] != AESX660_FINGER_DET_RESPONSE) {
fp_dbg("Bogus FD response: %.2x\n", data[0]);
fpi_ssm_mark_aborted(ssm, -EPROTO);
goto out;
}
if (data[AESX660_FINGER_PRESENT_OFFSET] == AESX660_FINGER_PRESENT || aesdev->deactivating) {
/* Finger present or we're deactivating... */
fpi_ssm_next_state(ssm);
} else {
fp_dbg("Wait for finger returned %.2x as result\n",
data[AESX660_FINGER_PRESENT_OFFSET]);
fpi_ssm_jump_to_state(ssm, FINGER_DET_SEND_FD_CMD);
}
out:
g_free(data);
libusb_free_transfer(transfer);
}
static void finger_det_set_idle_cmd_cb(struct libusb_transfer *transfer)
{
struct fpi_ssm *ssm = transfer->user_data;
if ((transfer->status == LIBUSB_TRANSFER_COMPLETED) &&
(transfer->length == transfer->actual_length)) {
fpi_ssm_mark_completed(ssm);
} else {
fpi_ssm_mark_aborted(ssm, -EIO);
}
libusb_free_transfer(transfer);
}
static void finger_det_sm_complete(struct fpi_ssm *ssm)
{
struct fp_img_dev *dev = ssm->priv;
struct aesX660_dev *aesdev = dev->priv;
int err = ssm->error;
fp_dbg("Finger detection completed");
fpi_imgdev_report_finger_status(dev, TRUE);
fpi_ssm_free(ssm);
if (aesdev->deactivating)
complete_deactivation(dev);
else if (err)
fpi_imgdev_session_error(dev, err);
else {
fpi_imgdev_report_finger_status(dev, TRUE);
start_capture(dev);
}
}
static void finger_det_run_state(struct fpi_ssm *ssm)
{
switch (ssm->cur_state) {
case FINGER_DET_SEND_LED_CMD:
aesX660_send_cmd(ssm, led_blink_cmd, sizeof(led_blink_cmd),
aesX660_send_cmd_cb);
break;
case FINGER_DET_SEND_FD_CMD:
aesX660_send_cmd_timeout(ssm, wait_for_finger_cmd, sizeof(wait_for_finger_cmd),
aesX660_send_cmd_cb, 0);
break;
case FINGER_DET_READ_FD_DATA:
/* Should return 4 byte of response */
aesX660_read_response(ssm, 4, finger_det_read_fd_data_cb);
break;
case FINGER_DET_SET_IDLE:
aesX660_send_cmd(ssm, set_idle_cmd, sizeof(set_idle_cmd),
finger_det_set_idle_cmd_cb);
break;
}
}
static void start_finger_detection(struct fp_img_dev *dev)
{
struct fpi_ssm *ssm;
struct aesX660_dev *aesdev = dev->priv;
if (aesdev->deactivating) {
complete_deactivation(dev);
return;
}
ssm = fpi_ssm_new(dev->dev, finger_det_run_state, FINGER_DET_NUM_STATES);
ssm->priv = dev;
fpi_ssm_start(ssm, finger_det_sm_complete);
}
/****** CAPTURE ******/
enum capture_states {
CAPTURE_SEND_LED_CMD,
CAPTURE_SEND_CAPTURE_CMD,
CAPTURE_READ_STRIPE_DATA,
CAPTURE_SET_IDLE,
CAPTURE_NUM_STATES,
};
/* Returns number of processed bytes */
static int process_stripe_data(struct fpi_ssm *ssm, unsigned char *data)
{
unsigned char *stripdata;
struct fp_img_dev *dev = ssm->priv;
struct aesX660_dev *aesdev = dev->priv;
stripdata = g_malloc(aesdev->frame_width * FRAME_HEIGHT / 2); /* 4 bits per pixel */
if (!stripdata) {
fpi_ssm_mark_aborted(ssm, -ENOMEM);
return 1;
}
fp_dbg("Processing frame %.2x %.2x", data[AESX660_IMAGE_OK_OFFSET],
data[AESX660_LAST_FRAME_OFFSET]);
if (data[AESX660_IMAGE_OK_OFFSET] == AESX660_IMAGE_OK) {
memcpy(stripdata, data + AESX660_IMAGE_OFFSET, aesdev->frame_width * FRAME_HEIGHT / 2);
aesdev->strips = g_slist_prepend(aesdev->strips, stripdata);
aesdev->strips_len++;
return (data[AESX660_LAST_FRAME_OFFSET] & AESX660_LAST_FRAME_BIT);
} else {
return 0;
}
}
static void capture_set_idle_cmd_cb(struct libusb_transfer *transfer)
{
struct fpi_ssm *ssm = transfer->user_data;
struct fp_img_dev *dev = ssm->priv;
struct aesX660_dev *aesdev = dev->priv;
if ((transfer->status == LIBUSB_TRANSFER_COMPLETED) &&
(transfer->length == transfer->actual_length)) {
struct fp_img *img, *tmp;
aesdev->strips = g_slist_reverse(aesdev->strips);
tmp = aes_assemble(aesdev->strips, aesdev->strips_len,
aesdev->frame_width, FRAME_HEIGHT);
g_slist_foreach(aesdev->strips, (GFunc) g_free, NULL);
g_slist_free(aesdev->strips);
aesdev->strips = NULL;
aesdev->strips_len = 0;
if (aesdev->h_scale_factor > 1) {
img = fpi_im_resize(tmp, aesdev->h_scale_factor, 1);
fp_img_free(tmp);
} else {
img = tmp;
tmp = NULL;
}
fpi_imgdev_image_captured(dev, img);
fpi_imgdev_report_finger_status(dev, FALSE);
fpi_ssm_mark_completed(ssm);
} else {
fpi_ssm_mark_aborted(ssm, -EIO);
}
libusb_free_transfer(transfer);
}
static void capture_read_stripe_data_cb(struct libusb_transfer *transfer)
{
struct fpi_ssm *ssm = transfer->user_data;
struct fp_img_dev *dev = ssm->priv;
struct aesX660_dev *aesdev = dev->priv;
unsigned char *data = transfer->buffer;
int finger_missing = 0;
size_t copied, actual_len = transfer->actual_length;
if (transfer->status != LIBUSB_TRANSFER_COMPLETED) {
fpi_ssm_mark_aborted(ssm, -EIO);
goto out;
}
fp_dbg("Got %d bytes of data", actual_len);
do {
copied = min(aesdev->buffer_max - aesdev->buffer_size, actual_len);
memcpy(aesdev->buffer + aesdev->buffer_size,
data,
copied);
actual_len -= copied;
data += copied;
aesdev->buffer_size += copied;
fp_dbg("Copied %.4x bytes into internal buffer",
copied);
if (aesdev->buffer_size == aesdev->buffer_max) {
if (aesdev->buffer_max == AESX660_HEADER_SIZE) {
aesdev->buffer_max = aesdev->buffer[AESX660_RESPONSE_SIZE_LSB_OFFSET] +
(aesdev->buffer[AESX660_RESPONSE_SIZE_MSB_OFFSEt] << 8) + AESX660_HEADER_SIZE;
fp_dbg("Got frame, type %.2x size %.4x",
aesdev->buffer[AESX660_RESPONSE_TYPE_OFFSET],
aesdev->buffer_max);
continue;
} else {
finger_missing |= process_stripe_data(ssm, aesdev->buffer);
aesdev->buffer_max = AESX660_HEADER_SIZE;
aesdev->buffer_size = 0;
}
}
} while (actual_len);
fp_dbg("finger %s\n", finger_missing ? "missing" : "present");
if (finger_missing) {
fpi_ssm_next_state(ssm);
} else {
fpi_ssm_jump_to_state(ssm, CAPTURE_READ_STRIPE_DATA);
}
out:
g_free(transfer->buffer);
libusb_free_transfer(transfer);
}
static void capture_run_state(struct fpi_ssm *ssm)
{
struct fp_img_dev *dev = ssm->priv;
struct aesX660_dev *aesdev = dev->priv;
switch (ssm->cur_state) {
case CAPTURE_SEND_LED_CMD:
aesX660_send_cmd(ssm, led_solid_cmd, sizeof(led_solid_cmd),
aesX660_send_cmd_cb);
break;
case CAPTURE_SEND_CAPTURE_CMD:
aesdev->buffer_size = 0;
aesdev->buffer_max = AESX660_HEADER_SIZE;
aesX660_send_cmd(ssm, aesdev->start_imaging_cmd,
aesdev->start_imaging_cmd_len,
aesX660_send_cmd_cb);
break;
case CAPTURE_READ_STRIPE_DATA:
aesX660_read_response(ssm, AESX660_BULK_TRANSFER_SIZE,
capture_read_stripe_data_cb);
break;
case CAPTURE_SET_IDLE:
fp_dbg("Got %d frames\n", aesdev->strips_len);
aesX660_send_cmd(ssm, set_idle_cmd, sizeof(set_idle_cmd),
capture_set_idle_cmd_cb);
break;
}
}
static void capture_sm_complete(struct fpi_ssm *ssm)
{
struct fp_img_dev *dev = ssm->priv;
struct aesX660_dev *aesdev = dev->priv;
int err = ssm->error;
fp_dbg("Capture completed");
fpi_ssm_free(ssm);
if (aesdev->deactivating)
complete_deactivation(dev);
else if (err)
fpi_imgdev_session_error(dev, err);
else
start_finger_detection(dev);
}
static void start_capture(struct fp_img_dev *dev)
{
struct aesX660_dev *aesdev = dev->priv;
struct fpi_ssm *ssm;
if (aesdev->deactivating) {
complete_deactivation(dev);
return;
}
ssm = fpi_ssm_new(dev->dev, capture_run_state, CAPTURE_NUM_STATES);
fp_dbg("");
ssm->priv = dev;
fpi_ssm_start(ssm, capture_sm_complete);
}
/****** INITIALIZATION/DEINITIALIZATION ******/
enum activate_states {
ACTIVATE_SET_IDLE,
ACTIVATE_SEND_READ_ID_CMD,
ACTIVATE_READ_ID,
ACTIVATE_SEND_CALIBRATE_CMD,
ACTIVATE_READ_CALIBRATE_DATA,
ACTIVATE_SEND_INIT_CMD,
ACTIVATE_READ_INIT_RESPONSE,
ACTIVATE_NUM_STATES,
};
static void activate_read_id_cb(struct libusb_transfer *transfer)
{
struct fpi_ssm *ssm = transfer->user_data;
struct fp_img_dev *dev = ssm->priv;
struct aesX660_dev *aesdev = dev->priv;
unsigned char *data = transfer->buffer;
if ((transfer->status != LIBUSB_TRANSFER_COMPLETED) ||
(transfer->length != transfer->actual_length)) {
fp_dbg("read_id cmd failed\n");
fpi_ssm_mark_aborted(ssm, -EIO);
goto out;
}
/* ID was read correctly */
if (data[0] == 0x07) {
fp_dbg("Sensor device id: %.2x%2x, bcdDevice: %.2x.%.2x, init status: %.2x\n",
data[4], data[3], data[5], data[6], data[7]);
} else {
fp_dbg("Bogus read ID response: %.2x\n", data[AESX660_RESPONSE_TYPE_OFFSET]);
fpi_ssm_mark_aborted(ssm, -EPROTO);
goto out;
}
switch (aesdev->init_seq_idx) {
case 0:
aesdev->init_seq = aesdev->init_seqs[0];
aesdev->init_seq_len = aesdev->init_seqs_len[0];
aesdev->init_seq_idx = 1;
aesdev->init_cmd_idx = 0;
/* Do calibration only after 1st init sequence */
fpi_ssm_jump_to_state(ssm, ACTIVATE_SEND_INIT_CMD);
break;
case 1:
aesdev->init_seq = aesdev->init_seqs[1];
aesdev->init_seq_len = aesdev->init_seqs_len[1];
aesdev->init_seq_idx = 2;
aesdev->init_cmd_idx = 0;
fpi_ssm_next_state(ssm);
break;
default:
fp_dbg("Failed to init device! init status: %.2x\n", data[7]);
fpi_ssm_mark_aborted(ssm, -EPROTO);
break;
}
out:
g_free(transfer->buffer);
libusb_free_transfer(transfer);
}
static void activate_read_init_cb(struct libusb_transfer *transfer)
{
struct fpi_ssm *ssm = transfer->user_data;
struct fp_img_dev *dev = ssm->priv;
struct aesX660_dev *aesdev = dev->priv;
unsigned char *data = transfer->buffer;
fp_dbg("read_init_cb\n");
if ((transfer->status != LIBUSB_TRANSFER_COMPLETED) ||
(transfer->length != transfer->actual_length)) {
fp_dbg("read_init transfer status: %d, actual_len: %d\n", transfer->status, transfer->actual_length);
fpi_ssm_mark_aborted(ssm, -EIO);
goto out;
}
/* ID was read correctly */
if (data[0] != 0x42 || data[3] != 0x01) {
fp_dbg("Bogus read init response: %.2x %.2x\n", data[0],
data[3]);
fpi_ssm_mark_aborted(ssm, -EPROTO);
goto out;
}
aesdev->init_cmd_idx++;
if (aesdev->init_cmd_idx == aesdev->init_seq_len) {
if (aesdev->init_seq_idx < 2)
fpi_ssm_jump_to_state(ssm, ACTIVATE_SEND_READ_ID_CMD);
else
fpi_ssm_mark_completed(ssm);
goto out;
}
fpi_ssm_jump_to_state(ssm, ACTIVATE_SEND_INIT_CMD);
out:
g_free(transfer->buffer);
libusb_free_transfer(transfer);
}
static void activate_run_state(struct fpi_ssm *ssm)
{
struct fp_img_dev *dev = ssm->priv;
struct aesX660_dev *aesdev = dev->priv;
switch (ssm->cur_state) {
case ACTIVATE_SET_IDLE:
aesdev->init_seq_idx = 0;
fp_dbg("Activate: set idle\n");
aesX660_send_cmd(ssm, set_idle_cmd, sizeof(set_idle_cmd),
aesX660_send_cmd_cb);
break;
case ACTIVATE_SEND_READ_ID_CMD:
fp_dbg("Activate: read ID\n");
aesX660_send_cmd(ssm, read_id_cmd, sizeof(read_id_cmd),
aesX660_send_cmd_cb);
break;
case ACTIVATE_READ_ID:
/* Should return 8-byte response */
aesX660_read_response(ssm, 8, activate_read_id_cb);
break;
case ACTIVATE_SEND_INIT_CMD:
fp_dbg("Activate: send init seq #%d cmd #%d\n",
aesdev->init_seq_idx,
aesdev->init_cmd_idx);
aesX660_send_cmd(ssm,
aesdev->init_seq[aesdev->init_cmd_idx].cmd,
aesdev->init_seq[aesdev->init_cmd_idx].len,
aesX660_send_cmd_cb);
break;
case ACTIVATE_READ_INIT_RESPONSE:
fp_dbg("Activate: read init response\n");
/* Should return 4-byte response */
aesX660_read_response(ssm, 4, activate_read_init_cb);
break;
case ACTIVATE_SEND_CALIBRATE_CMD:
aesX660_send_cmd(ssm, calibrate_cmd, sizeof(calibrate_cmd),
aesX660_send_cmd_cb);
break;
case ACTIVATE_READ_CALIBRATE_DATA:
/* Should return 4-byte response */
aesX660_read_response(ssm, 4, aesX660_read_calibrate_data_cb);
break;
}
}
static void activate_sm_complete(struct fpi_ssm *ssm)
{
struct fp_img_dev *dev = ssm->priv;
int err = ssm->error;
fp_dbg("status %d", err);
fpi_imgdev_activate_complete(dev, err);
fpi_ssm_free(ssm);
if (!err)
start_finger_detection(dev);
}
int aesX660_dev_activate(struct fp_img_dev *dev, enum fp_imgdev_state state)
{
struct fpi_ssm *ssm = fpi_ssm_new(dev->dev, activate_run_state,
ACTIVATE_NUM_STATES);
ssm->priv = dev;
fpi_ssm_start(ssm, activate_sm_complete);
return 0;
}
void aesX660_dev_deactivate(struct fp_img_dev *dev)
{
struct aesX660_dev *aesdev = dev->priv;
if (aesdev->fd_data_transfer)
libusb_cancel_transfer(aesdev->fd_data_transfer);
aesdev->deactivating = TRUE;
}
static void complete_deactivation(struct fp_img_dev *dev)
{
struct aesX660_dev *aesdev = dev->priv;
fp_dbg("");
aesdev->deactivating = FALSE;
g_slist_free(aesdev->strips);
aesdev->strips = NULL;
aesdev->strips_len = 0;
fpi_imgdev_deactivate_complete(dev);
}

117
libfprint/drivers/aesx660.h Normal file
View file

@ -0,0 +1,117 @@
/*
* 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_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