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imgdev: perform 5 scans for enrollment

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This feature dramatically improves matching rate on devices with small
sensors.
This commit is contained in:
Vasily Khoruzhick
2013-02-18 12:27:33 +03:00
parent fe3fdd1f50
commit e215b05094
6 changed files with 248 additions and 69 deletions
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12
libfprint/drivers/upeke2.c
View File

@@ -1072,6 +1072,7 @@ static void e_handle_resp02(struct fp_dev *dev, unsigned char *data,
size_t data_len)
{
struct fp_print_data *fdata = NULL;
struct fp_print_data_item *item = NULL;
int result = -EPROTO;
if (data_len < sizeof(scan_comp)) {
@@ -1080,9 +1081,11 @@ static void e_handle_resp02(struct fp_dev *dev, unsigned char *data,
fp_err("unrecognised data prefix %x %x %x %x %x",
data[0], data[1], data[2], data[3], data[4]);
} else {
fdata = fpi_print_data_new(dev, data_len - sizeof(scan_comp));
memcpy(fdata->data, data + sizeof(scan_comp),
fdata = fpi_print_data_new(dev);
item = fpi_print_data_item_new(data_len - sizeof(scan_comp));
memcpy(item->data, data + sizeof(scan_comp),
data_len - sizeof(scan_comp));
fdata->prints = g_slist_prepend(fdata->prints, item);
result = FP_ENROLL_COMPLETE;
}
@@ -1244,12 +1247,13 @@ static void verify_start_sm_run_state(struct fpi_ssm *ssm)
break;
case VERIFY_INIT: ;
struct fp_print_data *print = dev->verify_data;
size_t data_len = sizeof(verify_hdr) + print->length;
struct fp_print_data_item *item = print->prints->data;
size_t data_len = sizeof(verify_hdr) + item->length;
unsigned char *data = g_malloc(data_len);
struct libusb_transfer *transfer;
memcpy(data, verify_hdr, sizeof(verify_hdr));
memcpy(data + sizeof(verify_hdr), print->data, print->length);
memcpy(data + sizeof(verify_hdr), item->data, item->length);
transfer = alloc_send_cmd28_transfer(dev, 0x03, data, data_len,
verify_init_2803_cb, ssm);
g_free(data);

12
libfprint/drivers/upekts.c
View File

@@ -1077,6 +1077,7 @@ static void e_handle_resp02(struct fp_dev *dev, unsigned char *data,
size_t data_len)
{
struct fp_print_data *fdata = NULL;
struct fp_print_data_item *item = NULL;
int result = -EPROTO;
if (data_len < sizeof(scan_comp)) {
@@ -1085,9 +1086,11 @@ static void e_handle_resp02(struct fp_dev *dev, unsigned char *data,
fp_err("unrecognised data prefix %x %x %x %x %x",
data[0], data[1], data[2], data[3], data[4]);
} else {
fdata = fpi_print_data_new(dev, data_len - sizeof(scan_comp));
memcpy(fdata->data, data + sizeof(scan_comp),
fdata = fpi_print_data_new(dev);
item = fpi_print_data_item_new(data_len - sizeof(scan_comp));
memcpy(item->data, data + sizeof(scan_comp),
data_len - sizeof(scan_comp));
fdata->prints = g_slist_prepend(fdata->prints, item);
result = FP_ENROLL_COMPLETE;
}
@@ -1249,12 +1252,13 @@ static void verify_start_sm_run_state(struct fpi_ssm *ssm)
break;
case VERIFY_INIT: ;
struct fp_print_data *print = dev->verify_data;
size_t data_len = sizeof(verify_hdr) + print->length;
struct fp_print_data_item *item = print->prints->data;
size_t data_len = sizeof(verify_hdr) + item->length;
unsigned char *data = g_malloc(data_len);
struct libusb_transfer *transfer;
memcpy(data, verify_hdr, sizeof(verify_hdr));
memcpy(data + sizeof(verify_hdr), print->data, print->length);
memcpy(data + sizeof(verify_hdr), item->data, item->length);
transfer = alloc_send_cmd28_transfer(dev, 0x03, data, data_len,
verify_init_2803_cb, ssm);
g_free(data);