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Add joystick input

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This commit is contained in:
pgsocks
2023-02-22 10:54:52 -06:00
parent 19993ced8e
commit 150c450210
1 changed files with 29 additions and 3 deletions
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src/sdl.c
+29 -3
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@@ -21,8 +21,6 @@ float x = 0, y = 0, z = 0;
static Uint32 drive_timer_handler(Uint32 interval, void* param) { static Uint32 drive_timer_handler(Uint32 interval, void* param) {
robot_drive((Robot)param, x, y, z); robot_drive((Robot)param, x, y, z);
robot_aim((Robot)param, pitch, yaw); robot_aim((Robot)param, pitch, yaw);
yaw *= 0.80;
pitch *= 0.80;
return 75; return 75;
} }
static Uint32 heartbeat_timer_handler(Uint32 interval, void* param) { static Uint32 heartbeat_timer_handler(Uint32 interval, void* param) {
@@ -31,10 +29,15 @@ static Uint32 heartbeat_timer_handler(Uint32 interval, void* param) {
} }
int main(int argc, char* argv[]) { int main(int argc, char* argv[]) {
if(SDL_Init(SDL_INIT_VIDEO | SDL_INIT_GAMECONTROLLER) < 0) { if(SDL_Init(SDL_INIT_VIDEO | SDL_INIT_JOYSTICK) < 0) {
fprintf(stderr, "%s", SDL_GetError()); fprintf(stderr, "%s", SDL_GetError());
return 1; return 1;
} }
printf("Detected %d joysticks\n", SDL_NumJoysticks());
SDL_Joystick* joystick = NULL;
if(SDL_NumJoysticks() > 0) {
joystick = SDL_JoystickOpen(0);
}
SDL_Window* win = SDL_CreateWindow( SDL_Window* win = SDL_CreateWindow(
"Robomaster", "Robomaster",
SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED,
@@ -94,6 +97,28 @@ int main(int argc, char* argv[]) {
yaw = (float)event.motion.xrel; yaw = (float)event.motion.xrel;
pitch = (float)event.motion.yrel; pitch = (float)event.motion.yrel;
break; break;
case SDL_JOYAXISMOTION:
switch(event.jaxis.axis) {
case 0:
x = (float)event.jaxis.value / 32767;
break;
case 1:
y = (float)event.jaxis.value / 32767;
break;
case 4:
z = (float)event.jaxis.value / 32767 / 2;
break;
case 2:
yaw = (float)event.jaxis.value / 32767;
break;
case 3:
pitch = (float)event.jaxis.value / 32767;
break;
default:
printf("axis: %d\n", event.jaxis.axis);
break;
}
break;
case SDL_WINDOWEVENT: case SDL_WINDOWEVENT:
if(event.window.event != SDL_WINDOWEVENT_CLOSE) break; if(event.window.event != SDL_WINDOWEVENT_CLOSE) break;
case SDL_QUIT: case SDL_QUIT:
@@ -103,6 +128,7 @@ int main(int argc, char* argv[]) {
} }
} }
SDL_JoystickClose(joystick);
SDL_Quit(); SDL_Quit();
return 0; return 0;
} }