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upektc_img: Fix protocol for area sensors

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Toni 2022-10-12 07:51:54 +02:00 • committed by Vasily Khoruzhick
parent 522b481297
commit cda4e6136c
2 changed files with 43 additions and 7 deletions
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34
libfprint/drivers/upektc_img.c
View file

@ -246,12 +246,25 @@ capture_read_data_cb (FpiUsbTransfer *transfer, FpDevice *device,
CAPTURE_ACK_00_28);
break;
case 0x13:
/* finger is present keep your finger on reader */
fpi_ssm_jump_to_state (transfer->ssm,
self->area_sensor ?
CAPTURE_ACK_00_28 : CAPTURE_ACK_00_28_TERM);
break;
case 0x00:
/* finger is present! */
fpi_ssm_jump_to_state (transfer->ssm,
CAPTURE_ACK_00_28);
break;
case 0x01:
/* no finger! */
fpi_ssm_jump_to_state (transfer->ssm,
CAPTURE_ACK_00_28);
break;
case 0x1e:
/* short scan */
fp_err ("short scan, aborting");
@ -260,18 +273,20 @@ capture_read_data_cb (FpiUsbTransfer *transfer, FpDevice *device,
fpi_image_device_report_finger_status (dev,
FALSE);
fpi_ssm_jump_to_state (transfer->ssm,
CAPTURE_ACK_00_28_TERM);
self->area_sensor ?
CAPTURE_ACK_00_28 : CAPTURE_ACK_00_28_TERM);
break;
case 0x1d:
/* too much horisontal movement */
fp_err ("too much horisontal movement, aborting");
/* too much horizontal movement */
fp_err ("too much horizontal movement, aborting");
fpi_image_device_retry_scan (dev,
FP_DEVICE_RETRY_CENTER_FINGER);
fpi_image_device_report_finger_status (dev,
FALSE);
fpi_ssm_jump_to_state (transfer->ssm,
CAPTURE_ACK_00_28_TERM);
self->area_sensor ?
CAPTURE_ACK_00_28 : CAPTURE_ACK_00_28_TERM);
break;
default:
@ -282,7 +297,8 @@ capture_read_data_cb (FpiUsbTransfer *transfer, FpDevice *device,
fpi_image_device_report_finger_status (dev,
FALSE);
fpi_ssm_jump_to_state (transfer->ssm,
CAPTURE_ACK_00_28_TERM);
self->area_sensor ?
CAPTURE_ACK_00_28 : CAPTURE_ACK_00_28_TERM);
break;
}
break;
@ -345,8 +361,12 @@ capture_run_state (FpiSsm *ssm, FpDevice *_dev)
switch (fpi_ssm_get_cur_state (ssm))
{
case CAPTURE_INIT_CAPTURE:
upektc_img_submit_req (ssm, dev, upek2020_init_capture, sizeof (upek2020_init_capture),
self->seq, capture_reqs_cb);
if (self->area_sensor)
upektc_img_submit_req (ssm, dev, upek2020_init_capture_press, sizeof (upek2020_init_capture_press),
self->seq, capture_reqs_cb);
else
upektc_img_submit_req (ssm, dev, upek2020_init_capture, sizeof (upek2020_init_capture),
self->seq, capture_reqs_cb);
self->seq++;
break;

16
libfprint/drivers/upektc_img.h
View file

@ -78,6 +78,22 @@ static const unsigned char upek2020_init_capture[] = {
0x25, 0xa9 /* CRC */
};
static const unsigned char upek2020_init_capture_press[] = {
'C', 'i', 'a', 'o',
0x00,
0x00, 0x0e, /* Seq = 7, len = 0x00e */
0x28, /* CMD = 0x28 */
0x0b, 0x00, /* Inner len = 0x000b */
0x00, 0x00,
0x0e, /* SUBCMD = 0x0e */
0x02,
0xfe, 0xff, 0xff, 0xff, /* timeout = -2 = 0xfffffffe = infinite time */
0x02,
0x01, /* Wait for finger */
0x02,
0x14, 0x9a /* CRC */
};
#if 0
static const unsigned char finger_status[] = {
'C', 'i', 'a', 'o',