qmk-firmware/quantum/joystick.c

#include "joystick.h"

joystick_t joystick_status = {.buttons = {0},
                              .axes =
                                  {
#if JOYSTICK_AXES_COUNT > 0
                                      0
#endif
                                  },
                              .status = 0};

// array defining the reading of analog values for each axis
__attribute__((weak)) joystick_config_t joystick_axes[JOYSTICK_AXES_COUNT] = {};