I am interested in reading gamepad input, specifically a gamepad with the layout of a wired xbox 360 controller, with C on a linux machine. I understand that this can be done in a variety of ways, however I was wondering what is the modern method of accomplishing this.
As I understand it, evdev is the 'future' while the Joystick API is legacy. Using libudev I am able to find attached gamepads and detect when they are connected and disconnected:
// skipping setup code ....
char const* val = udev_device_get_property_value(dev, "ID_INPUT_JOYSTICK");
if (val != NULL && strcmp(val, "1") == 0) {
char const* devfs_path = udev_device_get_devnode(udev_device);
}
// .....
struct udev_device* device = udev_monitor_recieve_device(udev_monitor);
char const* action = udev_device_get_action(device);
if (strcmp(action, "add") == 0) {
// .....
}
if (strcmp(action, "remove") == 0) {
// .....
}
The crux of my question lies in the best way to read button presses and axis movement.
Currently, I am unsure whether to use struct js_event or struct input_event. In truth, I was hoping to be able to do this with the same check for connected and removed gamepads with libudev. If this is not possible, which is the most forward-thinking approach?
Thanks.