Initial GXFP5130 userspace prototype

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2026-08-03 11:43:42 +03:00
commit 088d8ef75c
30 changed files with 5318 additions and 0 deletions

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// SPDX-License-Identifier: GPL-2.0-only
#include "gxfp/session.h"
#include <errno.h>
#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
struct wait_context {
struct gxfp_session *session;
int result;
};
static const char *error_string(int error)
{
return error < 0 ? strerror(-error) : "non-negative API error";
}
static void sleep_ms(long milliseconds)
{
struct timespec delay = {
.tv_sec = milliseconds / 1000,
.tv_nsec = (milliseconds % 1000) * 1000000L,
};
while (nanosleep(&delay, &delay) < 0 && errno == EINTR)
;
}
static void *wait_down_thread(void *opaque)
{
struct wait_context *context = opaque;
context->result = gxfp_session_wait_finger_down(context->session,
30000);
return NULL;
}
static int activate(struct gxfp_session *session)
{
int ret = gxfp_session_activate(session, 10000);
if (ret)
fprintf(stderr, "activate failed: %s (%d), state=%d\n",
error_string(ret), ret,
(int)gxfp_session_get_state(session));
return ret;
}
static int recover(struct gxfp_session *session)
{
int ret;
ret = gxfp_session_deactivate(session);
if (ret) {
fprintf(stderr, "deactivate/reset failed: %s (%d)\n",
error_string(ret), ret);
return ret;
}
if (gxfp_session_get_state(session) != GXFP_SESSION_OPEN) {
fprintf(stderr, "deactivate did not reach OPEN\n");
return -EPROTO;
}
return activate(session);
}
static int test_cancel_wait_down(struct gxfp_session *session)
{
struct wait_context context = { .session = session, .result = 0 };
pthread_t thread;
int pthread_ret;
int ret;
puts("\n[1/3] cross-thread cancel during wait-finger-down");
ret = gxfp_session_arm_finger_down(session);
if (ret)
return ret;
pthread_ret = pthread_create(&thread, NULL, wait_down_thread, &context);
if (pthread_ret)
return -pthread_ret;
sleep_ms(500);
gxfp_session_cancel(session);
pthread_ret = pthread_join(thread, NULL);
if (pthread_ret)
return -pthread_ret;
if (context.result != -ECANCELED) {
fprintf(stderr, "expected -ECANCELED, got %d\n",
context.result);
return -EPROTO;
}
if (gxfp_session_get_state(session) != GXFP_SESSION_ERROR) {
fprintf(stderr, "cancel did not leave session in ERROR\n");
return -EPROTO;
}
puts("PASS: waiter returned -ECANCELED; recovering hardware");
return recover(session);
}
static int capture_while_present(struct gxfp_session *session,
struct gxfp_image12 *image)
{
int ret;
ret = gxfp_session_arm_finger_down(session);
if (ret)
return ret;
puts("Put finger on sensor and keep it there...");
ret = gxfp_session_wait_finger_down(session, 10000);
if (ret)
return ret;
ret = gxfp_session_capture(session, image, 20000);
if (!ret)
printf("capture CRC: stored=0x%08x calculated=0x%08x\n",
image->crc_stored, image->crc_calculated);
return ret;
}
static int test_finger_up_timeout(struct gxfp_session *session)
{
struct gxfp_image12 image = { 0 };
int ret;
puts("\n[2/3] wait-finger-up timeout and hardware recovery");
ret = capture_while_present(session, &image);
if (ret)
goto out;
ret = gxfp_session_arm_finger_up(session);
if (ret)
goto out;
puts("KEEP finger pressed for 3 seconds (timeout is intentional)...");
ret = gxfp_session_wait_finger_up(session, 3000);
if (ret != -ETIMEDOUT) {
fprintf(stderr, "expected -ETIMEDOUT, got %d\n", ret);
ret = -EPROTO;
goto out;
}
if (gxfp_session_get_state(session) != GXFP_SESSION_ERROR) {
fprintf(stderr, "timeout did not leave session in ERROR\n");
ret = -EPROTO;
goto out;
}
puts("PASS: finger-up timed out; remove finger now");
sleep_ms(1000);
ret = recover(session);
out:
gxfp_image12_clear(&image);
return ret;
}
static int test_normal_cycle(struct gxfp_session *session)
{
struct gxfp_image12 image = { 0 };
int ret;
puts("\n[3/3] normal capture after both recoveries");
ret = capture_while_present(session, &image);
if (ret)
goto out;
ret = gxfp_session_arm_finger_up(session);
if (ret)
goto out;
puts("Remove finger...");
ret = gxfp_session_wait_finger_up(session, 10000);
if (!ret && gxfp_session_get_state(session) != GXFP_SESSION_ACTIVE)
ret = -EPROTO;
if (!ret)
puts("PASS: normal cycle completed in ACTIVE state");
out:
gxfp_image12_clear(&image);
return ret;
}
int main(int argc, char **argv)
{
const char *path = argc == 2 ? argv[1] : "/dev/gxfp";
struct gxfp_session *session = NULL;
int ret;
if (argc > 2) {
fprintf(stderr, "usage: %s [device]\n", argv[0]);
return EXIT_FAILURE;
}
ret = gxfp_session_open(&session, path);
if (ret)
goto out;
ret = activate(session);
if (ret)
goto out;
ret = test_cancel_wait_down(session);
if (ret)
goto out;
ret = test_finger_up_timeout(session);
if (ret)
goto out;
ret = test_normal_cycle(session);
out:
if (ret)
fprintf(stderr, "regression failed: %s (%d), state=%d\n",
error_string(ret), ret,
session ? (int)gxfp_session_get_state(session) : -1);
if (session) {
int cleanup_ret = gxfp_session_deactivate(session);
if (!ret && cleanup_ret)
ret = cleanup_ret;
gxfp_session_close(session);
}
if (!ret)
puts("\nALL SESSION REGRESSIONS PASSED");
return ret ? EXIT_FAILURE : EXIT_SUCCESS;
}