Atlas - testsensor.c
Home / ext / SDL / test
Lines: 1 | Size: 4227 bytes
[Download] [Show on GitHub] [Search similar files] [Raw] [Raw (proxy)] 
[FILE BEGIN]
1/*
2  Copyright (C) 1997-2025 Sam Lantinga <[email protected]>
3
4  This software is provided 'as-is', without any express or implied
5  warranty.  In no event will the authors be held liable for any damages
6  arising from the use of this software.
7
8  Permission is granted to anyone to use this software for any purpose,
9  including commercial applications, and to alter it and redistribute it
10  freely.
11*/
12
13/* Simple test of the SDL sensor code */
14
15#include <SDL3/SDL.h>
16#include <SDL3/SDL_main.h>
17#include <SDL3/SDL_test.h>
18
19static const char *GetSensorTypeString(SDL_SensorType type)
20{
21    static char unknown_type[64];
22
23    switch (type) {
24    case SDL_SENSOR_INVALID:
25        return "SDL_SENSOR_INVALID";
26    case SDL_SENSOR_UNKNOWN:
27        return "SDL_SENSOR_UNKNOWN";
28    case SDL_SENSOR_ACCEL:
29        return "SDL_SENSOR_ACCEL";
30    case SDL_SENSOR_GYRO:
31        return "SDL_SENSOR_GYRO";
32    default:
33        (void)SDL_snprintf(unknown_type, sizeof(unknown_type), "UNKNOWN (%d)", type);
34        return unknown_type;
35    }
36}
37
38static void HandleSensorEvent(SDL_SensorEvent *event)
39{
40    SDL_Sensor *sensor = SDL_GetSensorFromID(event->which);
41    if (!sensor) {
42        SDL_Log("Couldn't get sensor for sensor event");
43        return;
44    }
45
46    switch (SDL_GetSensorType(sensor)) {
47    case SDL_SENSOR_ACCEL:
48        SDL_Log("Accelerometer update: %.2f, %.2f, %.2f", event->data[0], event->data[1], event->data[2]);
49        break;
50    case SDL_SENSOR_GYRO:
51        SDL_Log("Gyro update: %.2f, %.2f, %.2f", event->data[0], event->data[1], event->data[2]);
52        break;
53    default:
54        SDL_Log("Sensor update for sensor type %s", GetSensorTypeString(SDL_GetSensorType(sensor)));
55        break;
56    }
57}
58
59int main(int argc, char **argv)
60{
61    SDL_SensorID *sensors;
62    int i, num_sensors, num_opened;
63    SDLTest_CommonState *state;
64
65    /* Initialize test framework */
66    state = SDLTest_CommonCreateState(argv, 0);
67    if (!state) {
68        return 1;
69    }
70
71    if (!SDLTest_CommonDefaultArgs(state, argc, argv)) {
72        SDL_Quit();
73        SDLTest_CommonDestroyState(state);
74        return 1;
75    }
76
77    /* Load the SDL library */
78    if (!SDL_Init(SDL_INIT_SENSOR)) {
79        SDL_Log("Couldn't initialize SDL: %s", SDL_GetError());
80        SDL_Quit();
81        SDLTest_CommonDestroyState(state);
82        return 1;
83    }
84
85    sensors = SDL_GetSensors(&num_sensors);
86    num_opened = 0;
87
88    SDL_Log("There are %d sensors available", num_sensors);
89    if (sensors) {
90        for (i = 0; i < num_sensors; ++i) {
91            SDL_Log("Sensor %" SDL_PRIu32 ": %s, type %s, platform type %d",
92                    sensors[i],
93                    SDL_GetSensorNameForID(sensors[i]),
94                    GetSensorTypeString(SDL_GetSensorTypeForID(sensors[i])),
95                    SDL_GetSensorNonPortableTypeForID(sensors[i]));
96
97            if (SDL_GetSensorTypeForID(sensors[i]) != SDL_SENSOR_UNKNOWN) {
98                SDL_Sensor *sensor = SDL_OpenSensor(sensors[i]);
99                if (!sensor) {
100                    SDL_Log("Couldn't open sensor %" SDL_PRIu32 ": %s", sensors[i], SDL_GetError());
101                } else {
102                    ++num_opened;
103                }
104            }
105        }
106        SDL_free(sensors);
107    }
108    SDL_Log("Opened %d sensors", num_opened);
109
110    if (num_opened > 0) {
111        bool done = false;
112        SDL_Event event;
113
114        SDL_CreateWindow("Sensor Test", 0, 0, SDL_WINDOW_FULLSCREEN);
115        while (!done) {
116            /* Update to get the current event state */
117            SDL_PumpEvents();
118
119            /* Process all currently pending events */
120            while (SDL_PeepEvents(&event, 1, SDL_GETEVENT, SDL_EVENT_FIRST, SDL_EVENT_LAST) == 1) {
121                switch (event.type) {
122                case SDL_EVENT_SENSOR_UPDATE:
123                    HandleSensorEvent(&event.sensor);
124                    break;
125                case SDL_EVENT_MOUSE_BUTTON_UP:
126                case SDL_EVENT_KEY_UP:
127                case SDL_EVENT_QUIT:
128                    done = true;
129                    break;
130                default:
131                    break;
132                }
133            }
134        }
135    }
136
137    SDL_Quit();
138    SDLTest_CommonDestroyState(state);
139    return 0;
140}
141
[FILE END]
(C) 2025 0x4248
(C) 2025 4248 Media and 4248 Systems, All part of 0x4248
See LICENCE files for more information. Not all files are by 0x4248 always check Licencing.