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Enrolment infrastructure

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This commit is contained in:
Daniel Drake
2007-10-08 19:53:50 +01:00
parent b071f3cdb9
commit 016ff33533
5 changed files with 90 additions and 6 deletions
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58
examples/verify.c
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@@ -25,11 +25,10 @@
struct fp_dscv_dev *discover_device(struct fp_dscv_dev **discovered_devs)
{
struct fp_dscv_dev *ddev = NULL;
struct fp_dscv_dev *tmpdev;
int i;
for (i = 0; tmpdev = discovered_devs[i]; i++) {
const struct fp_driver *drv = fp_dscv_dev_get_driver(tmpdev);
for (i = 0; ddev = discovered_devs[i]; i++) {
const struct fp_driver *drv = fp_dscv_dev_get_driver(ddev);
printf("Found device claimed by %s driver\n",
fp_driver_get_full_name(drv));
return ddev;
@@ -38,11 +37,49 @@ struct fp_dscv_dev *discover_device(struct fp_dscv_dev **discovered_devs)
return ddev;
}
struct fp_print_data *enroll(struct fp_dev *dev) {
struct fp_print_data *enrolled_print = NULL;
enum fp_enroll_status status;
printf("You will need to successfully scan your finger %d times to "
"complete the process.\n", fp_dev_get_nr_enroll_stages(dev));
do {
printf("Scan your finger now.\n");
status = fp_enroll_finger(dev, &enrolled_print);
switch (status) {
case FP_ENROLL_COMPLETE:
printf("Enroll complete!\n");
break;
case FP_ENROLL_FAIL:
printf("Enroll failed, something wen't wrong :(\n");
return NULL;
case FP_ENROLL_PASS:
printf("Enroll stage passed. Yay!\n");
break;
case FP_ENROLL_RETRY:
printf("Didn't quite catch that. Please try again.\n");
break;
}
} while (status != FP_ENROLL_COMPLETE);
if (!enrolled_print) {
fprintf(stderr, "Enroll complete but no print?\n");
return NULL;
}
printf("got a print!\n");
return enrolled_print;
}
int main(void)
{
int r;
int ret = 1;
struct fp_dscv_dev *ddev;
struct fp_dscv_dev **discovered_devs;
struct fp_dev *dev;
struct fp_print_data *data;
r = fp_init();
if (r < 0) {
@@ -62,6 +99,21 @@ int main(void)
exit(1);
}
dev = fp_dev_open(ddev);
fp_dscv_devs_free(discovered_devs);
if (!dev) {
fprintf(stderr, "Could not open device.\n");
}
printf("Opened device. It's now time to enroll your finger.\n\n");
data = enroll(dev);
if (!data)
goto out_close;
ret = 0;
out_close:
fp_dev_close(dev);
return ret;
}