flix/gazebo/joystick.h
Oleg Kalachev 821e6b105e Make channels definition to rc.ino
It's also planned to parametrize them later
2025-01-10 09:37:48 +03:00

37 lines
928 B
C++

// Copyright (c) 2023 Oleg Kalachev <okalachev@gmail.com>
// Repository: https://github.com/okalachev/flix
// Joystick support for simulation
#include <SDL2/SDL.h>
#include <gazebo/gazebo.hh>
#include <iostream>
SDL_Joystick *joystick;
bool joystickInit() {
static bool joystickInitialized = false;
static bool warnShown = false;
if (joystickInitialized) return true;
SDL_Init(SDL_INIT_JOYSTICK);
joystick = SDL_JoystickOpen(0);
if (joystick != NULL) {
joystickInitialized = true;
gzmsg << "Joystick initialized: " << SDL_JoystickNameForIndex(0) << std::endl;
} else if (!warnShown) {
gzwarn << "Joystick not found, begin waiting for joystick..." << std::endl;
warnShown = true;
}
return joystickInitialized;
}
bool joystickGet(int16_t ch[16]) {
SDL_JoystickUpdate();
for (uint8_t i = 0; i < sizeof(channels) / sizeof(channels[0]); i++) {
ch[i] = SDL_JoystickGetAxis(joystick, i);
}
return true;
}