1 /*
2  * Copyright 2024 Kelly Helmut Lord
3  *
4  * SPDX-License-Identifier: Apache-2.0
5  */
6 
7 #include <zephyr/device.h>
8 #include <zephyr/input/input.h>
9 #include <zephyr/kernel.h>
10 #include <zephyr/ztest.h>
11 
12 static const struct device *const fake_dev = DEVICE_DT_GET(
13 		DT_NODELABEL(fake_input_device));
14 static const struct device *const double_tap_dev = DEVICE_DT_GET(
15 		DT_NODELABEL(double_tap));
16 
17 DEVICE_DT_DEFINE(DT_INST(0, vnd_input_device), NULL, NULL, NULL, NULL,
18 		 PRE_KERNEL_1, CONFIG_KERNEL_INIT_PRIORITY_DEVICE, NULL);
19 
20 static int event_count;
21 static struct input_event last_events[2];
22 
test_cb(struct input_event * evt,void * user_data)23 static void test_cb(struct input_event *evt, void *user_data)
24 {
25 	TC_PRINT("%s: %d %x %d\n", __func__, event_count, evt->code, evt->value);
26 
27 	event_count++;
28 	memcpy(&last_events[1], &last_events[0], sizeof(struct input_event));
29 	memcpy(&last_events[0], evt, sizeof(struct input_event));
30 }
31 INPUT_CALLBACK_DEFINE(double_tap_dev, test_cb, NULL);
32 
ZTEST(double_tap,test_double_tap_test)33 ZTEST(double_tap, test_double_tap_test)
34 {
35 	zassert_equal(event_count, 0);
36 
37 	/* ignored */
38 	input_report_key(fake_dev, INPUT_KEY_3, 1, true, K_FOREVER);
39 	input_report_key(fake_dev, INPUT_KEY_3, 0, true, K_FOREVER);
40 	zassert_equal(event_count, 0);
41 	input_report_abs(fake_dev, INPUT_KEY_0, 1, true, K_FOREVER);
42 	input_report_abs(fake_dev, INPUT_KEY_0, 0, true, K_FOREVER);
43 	zassert_equal(event_count, 0);
44 
45 	/* double tap*/
46 	input_report_key(fake_dev, INPUT_KEY_0, 1, true, K_FOREVER);
47 	k_sleep(K_MSEC(50));
48 	input_report_key(fake_dev, INPUT_KEY_0, 0, true, K_FOREVER);
49 	k_sleep(K_MSEC(50));
50 	input_report_key(fake_dev, INPUT_KEY_0, 1, true, K_FOREVER);
51 	k_sleep(K_MSEC(50));
52 	input_report_key(fake_dev, INPUT_KEY_0, 0, true, K_FOREVER);
53 	zassert_equal(event_count, 2);
54 	zassert_equal(last_events[1].type, INPUT_EV_KEY);
55 	zassert_equal(last_events[1].code, INPUT_KEY_X);
56 	zassert_equal(last_events[1].value, 1);
57 	zassert_equal(last_events[0].type, INPUT_EV_KEY);
58 	zassert_equal(last_events[0].code, INPUT_KEY_X);
59 	zassert_equal(last_events[0].value, 0);
60 
61 	/* double tap - other key */
62 	input_report_key(fake_dev, INPUT_KEY_1, 1, true, K_FOREVER);
63 	k_sleep(K_MSEC(50));
64 	input_report_key(fake_dev, INPUT_KEY_1, 0, true, K_FOREVER);
65 	k_sleep(K_MSEC(50));
66 	input_report_key(fake_dev, INPUT_KEY_1, 1, true, K_FOREVER);
67 	k_sleep(K_MSEC(50));
68 	input_report_key(fake_dev, INPUT_KEY_1, 0, true, K_FOREVER);
69 	zassert_equal(event_count, 4);
70 	zassert_equal(last_events[1].type, INPUT_EV_KEY);
71 	zassert_equal(last_events[1].code, INPUT_KEY_Y);
72 	zassert_equal(last_events[1].value, 1);
73 	zassert_equal(last_events[0].type, INPUT_EV_KEY);
74 	zassert_equal(last_events[0].code, INPUT_KEY_Y);
75 	zassert_equal(last_events[0].value, 0);
76 }
77 
78 ZTEST_SUITE(double_tap, NULL, NULL, NULL, NULL, NULL);
79