1 /**
2 * @file lv_monkey.c
3 *
4 */
5
6 /*********************
7 * INCLUDES
8 *********************/
9 #include "lv_monkey_private.h"
10
11 #if LV_USE_MONKEY != 0
12
13 #include "../../misc/lv_math.h"
14 #include "../../misc/lv_assert.h"
15 #include "../../stdlib/lv_mem.h"
16 #include "../../display/lv_display.h"
17
18 /*********************
19 * DEFINES
20 *********************/
21 #define MONKEY_PERIOD_RANGE_MIN_DEF 100
22 #define MONKEY_PERIOD_RANGE_MAX_DEF 1000
23
24 /**********************
25 * TYPEDEFS
26 **********************/
27 struct _lv_monkey_t {
28 lv_monkey_config_t config;
29 lv_indev_data_t indev_data;
30 lv_indev_t * indev;
31 lv_timer_t * timer;
32 void * user_data;
33 };
34
35 static const lv_key_t lv_key_map[] = {
36 LV_KEY_UP,
37 LV_KEY_DOWN,
38 LV_KEY_RIGHT,
39 LV_KEY_LEFT,
40 LV_KEY_ESC,
41 LV_KEY_DEL,
42 LV_KEY_BACKSPACE,
43 LV_KEY_ENTER,
44 LV_KEY_NEXT,
45 LV_KEY_PREV,
46 LV_KEY_HOME,
47 LV_KEY_END,
48 };
49
50 /**********************
51 * STATIC PROTOTYPES
52 **********************/
53
54 static void lv_monkey_read_cb(lv_indev_t * indev, lv_indev_data_t * data);
55 static int32_t lv_monkey_random(int32_t howsmall, int32_t howbig);
56 static void lv_monkey_timer_cb(lv_timer_t * timer);
57
58 /**********************
59 * GLOBAL FUNCTIONS
60 **********************/
61
lv_monkey_config_init(lv_monkey_config_t * config)62 void lv_monkey_config_init(lv_monkey_config_t * config)
63 {
64 lv_memzero(config, sizeof(lv_monkey_config_t));
65 config->type = LV_INDEV_TYPE_POINTER;
66 config->period_range.min = MONKEY_PERIOD_RANGE_MIN_DEF;
67 config->period_range.max = MONKEY_PERIOD_RANGE_MAX_DEF;
68 }
69
lv_monkey_create(const lv_monkey_config_t * config)70 lv_monkey_t * lv_monkey_create(const lv_monkey_config_t * config)
71 {
72 lv_monkey_t * monkey = lv_malloc_zeroed(sizeof(lv_monkey_t));
73 LV_ASSERT_MALLOC(monkey);
74
75 monkey->config = *config;
76 monkey->timer = lv_timer_create(lv_monkey_timer_cb, monkey->config.period_range.min, monkey);
77 lv_timer_pause(monkey->timer);
78
79 monkey->indev = lv_indev_create();
80 lv_indev_set_type(monkey->indev, config->type);
81 lv_indev_set_read_cb(monkey->indev, lv_monkey_read_cb);
82 lv_indev_set_user_data(monkey->indev, monkey);
83 return monkey;
84 }
85
lv_monkey_get_indev(lv_monkey_t * monkey)86 lv_indev_t * lv_monkey_get_indev(lv_monkey_t * monkey)
87 {
88 LV_ASSERT_NULL(monkey);
89 return monkey->indev;
90 }
91
lv_monkey_set_enable(lv_monkey_t * monkey,bool en)92 void lv_monkey_set_enable(lv_monkey_t * monkey, bool en)
93 {
94 LV_ASSERT_NULL(monkey);
95 en ? lv_timer_resume(monkey->timer) : lv_timer_pause(monkey->timer);
96 }
97
lv_monkey_get_enable(lv_monkey_t * monkey)98 bool lv_monkey_get_enable(lv_monkey_t * monkey)
99 {
100 LV_ASSERT_NULL(monkey);
101 return !lv_timer_get_paused(monkey->timer);
102 }
103
lv_monkey_set_user_data(lv_monkey_t * monkey,void * user_data)104 void lv_monkey_set_user_data(lv_monkey_t * monkey, void * user_data)
105 {
106 LV_ASSERT_NULL(monkey);
107 monkey->user_data = user_data;
108 }
109
lv_monkey_get_user_data(lv_monkey_t * monkey)110 void * lv_monkey_get_user_data(lv_monkey_t * monkey)
111 {
112 LV_ASSERT_NULL(monkey);
113 return monkey->user_data;
114 }
115
lv_monkey_delete(lv_monkey_t * monkey)116 void lv_monkey_delete(lv_monkey_t * monkey)
117 {
118 LV_ASSERT_NULL(monkey);
119
120 lv_timer_delete(monkey->timer);
121 lv_indev_delete(monkey->indev);
122 lv_free(monkey);
123 }
124
125 /**********************
126 * STATIC FUNCTIONS
127 **********************/
128
lv_monkey_read_cb(lv_indev_t * indev,lv_indev_data_t * data)129 static void lv_monkey_read_cb(lv_indev_t * indev, lv_indev_data_t * data)
130 {
131 lv_monkey_t * monkey = lv_indev_get_user_data(indev);
132
133 data->btn_id = monkey->indev_data.btn_id;
134 data->point = monkey->indev_data.point;
135 data->enc_diff = monkey->indev_data.enc_diff;
136 data->state = monkey->indev_data.state;
137 }
138
lv_monkey_random(int32_t howsmall,int32_t howbig)139 static int32_t lv_monkey_random(int32_t howsmall, int32_t howbig)
140 {
141 if(howsmall >= howbig) {
142 return howsmall;
143 }
144 int32_t diff = howbig - howsmall;
145 return (int32_t)lv_rand(0, diff) + howsmall;
146 }
147
lv_monkey_timer_cb(lv_timer_t * timer)148 static void lv_monkey_timer_cb(lv_timer_t * timer)
149 {
150 lv_monkey_t * monkey = lv_timer_get_user_data(timer);
151 lv_indev_data_t * data = &monkey->indev_data;
152
153 switch(lv_indev_get_type(monkey->indev)) {
154 case LV_INDEV_TYPE_POINTER:
155 data->point.x = (int32_t)lv_monkey_random(0, LV_HOR_RES - 1);
156 data->point.y = (int32_t)lv_monkey_random(0, LV_VER_RES - 1);
157 break;
158 case LV_INDEV_TYPE_ENCODER:
159 data->enc_diff = (int16_t)lv_monkey_random(monkey->config.input_range.min, monkey->config.input_range.max);
160 break;
161 case LV_INDEV_TYPE_BUTTON:
162 data->btn_id = (uint32_t)lv_monkey_random(monkey->config.input_range.min, monkey->config.input_range.max);
163 break;
164 case LV_INDEV_TYPE_KEYPAD: {
165 int32_t index = lv_monkey_random(0, sizeof(lv_key_map) / sizeof(lv_key_map[0]) - 1);
166 data->key = lv_key_map[index];
167 break;
168 }
169 default:
170 break;
171 }
172
173 data->state = lv_monkey_random(0, 100) < 50 ? LV_INDEV_STATE_RELEASED : LV_INDEV_STATE_PRESSED;
174
175 lv_timer_set_period(monkey->timer, lv_monkey_random(monkey->config.period_range.min, monkey->config.period_range.max));
176 }
177
178 #endif /*LV_USE_MONKEY*/
179
