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synaptics: add identify function

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This commit is contained in:
Vincent Huang 2020-09-22 17:43:57 +08:00
parent b03f9a502a
commit e27b65c930
1 changed files with 150 additions and 0 deletions
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150
libfprint/drivers/synaptics/synaptics.c
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@ -659,6 +659,155 @@ verify (FpDevice *device)
synaptics_sensor_cmd (self, 0, BMKT_CMD_VERIFY_USER, user_id, user_id_len, verify_msg_cb);
}
static void
identify_complete_after_finger_removal (FpiDeviceSynaptics *self)
{
FpDevice *device = FP_DEVICE (self);
if (self->finger_on_sensor)
{
fp_dbg ("delaying identify report until after finger removal!");
self->cmd_complete_on_removal = TRUE;
}
else
{
fpi_device_identify_complete (device, NULL);
}
}
static void
identify_msg_cb (FpiDeviceSynaptics *self,
bmkt_response_t *resp,
GError *error)
{
FpDevice *device = FP_DEVICE (self);
if (error)
{
fpi_device_identify_complete (device, error);
return;
}
if (resp == NULL && self->cmd_complete_on_removal)
{
fpi_device_identify_complete (device, NULL);
return;
}
g_assert (resp != NULL);
switch (resp->response_id)
{
case BMKT_RSP_ID_READY:
fp_info ("Place Finger on the Sensor!");
break;
case BMKT_RSP_ID_FAIL:
if (resp->result == BMKT_SENSOR_STIMULUS_ERROR)
{
fp_info ("Match error occurred");
fpi_device_identify_report (device, NULL, NULL,
fpi_device_retry_new (FP_DEVICE_RETRY_GENERAL));
identify_complete_after_finger_removal (self);
}
else if (resp->result == BMKT_FP_NO_MATCH)
{
fp_info ("Print didn't match");
fpi_device_identify_report (device, NULL, NULL, NULL);
identify_complete_after_finger_removal (self);
}
else if (resp->result == BMKT_FP_DATABASE_NO_RECORD_EXISTS)
{
fp_info ("Print is not in database");
fpi_device_identify_complete (device,
fpi_device_error_new (FP_DEVICE_ERROR_DATA_NOT_FOUND));
}
else
{
fp_warn ("identify has failed: %d", resp->result);
fpi_device_identify_complete (device,
fpi_device_error_new_msg (FP_DEVICE_ERROR_PROTO,
"Unexpected result from device %d",
resp->result));
}
break;
case BMKT_RSP_ID_OK:
{
FpPrint *print = NULL;
GPtrArray *prints = NULL;
g_autoptr(GVariant) data = NULL;
guint8 finger;
const guint8 *user_id;
gsize user_id_len = 0;
gint cnt = 0;
gboolean find = FALSE;
fpi_device_get_identify_data (device, &prints);
for (cnt = 0; cnt < prints->len; cnt++)
{
print = g_ptr_array_index (prints, cnt);
g_object_get (print, "fpi-data", &data, NULL);
g_debug ("data is %p", data);
parse_print_data (data, &finger, &user_id, &user_id_len);
if (user_id)
{
if (memcmp (resp->response.id_resp.user_id, user_id, user_id_len) == 0)
{
find = TRUE;
break;
}
}
}
if(find)
{
fpi_device_identify_report (device, print, print, NULL);
fpi_device_identify_complete (device, NULL);
}
else
{
fpi_device_identify_report (device, NULL, NULL, NULL);
identify_complete_after_finger_removal (self);
}
}
}
}
static void
identify (FpDevice *device)
{
FpiDeviceSynaptics *self = FPI_DEVICE_SYNAPTICS (device);
FpPrint *print = NULL;
GPtrArray *prints = NULL;
g_autoptr(GVariant) data = NULL;
guint8 finger;
const guint8 *user_id;
gsize user_id_len = 0;
gint cnt = 0;
fpi_device_get_identify_data (device, &prints);
for (cnt = 0; cnt < prints->len; cnt++)
{
print = g_ptr_array_index (prints, cnt);
g_object_get (print, "fpi-data", &data, NULL);
g_debug ("data is %p", data);
if (!parse_print_data (data, &finger, &user_id, &user_id_len))
{
fpi_device_identify_complete (device,
fpi_device_error_new (FP_DEVICE_ERROR_DATA_INVALID));
return;
}
}
G_DEBUG_HERE ();
synaptics_sensor_cmd (self, 0, BMKT_CMD_ID_USER, NULL, 0, identify_msg_cb);
}
static void
enroll_msg_cb (FpiDeviceSynaptics *self,
bmkt_response_t *resp,
@ -1152,6 +1301,7 @@ fpi_device_synaptics_class_init (FpiDeviceSynapticsClass *klass)
dev_class->close = dev_exit;
dev_class->probe = dev_probe;
dev_class->verify = verify;
dev_class->identify = identify;
dev_class->enroll = enroll;
dev_class->delete = delete_print;
dev_class->cancel = cancel;