gamecube.h

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#pragma once
 
#include <stdint.h>

#define JOYBUS_GCN_BUTTON_A       (1 << 0)
#define JOYBUS_GCN_BUTTON_B       (1 << 1)
#define JOYBUS_GCN_BUTTON_X       (1 << 2)
#define JOYBUS_GCN_BUTTON_Y       (1 << 3)
#define JOYBUS_GCN_BUTTON_START   (1 << 4)
#define JOYBUS_GCN_NEED_ORIGIN    (1 << 5)
#define JOYBUS_GCN_ERROR_LATCH    (1 << 6)
#define JOYBUS_GCN_ERROR          (1 << 7)
#define JOYBUS_GCN_BUTTON_LEFT    (1 << 8)
#define JOYBUS_GCN_BUTTON_RIGHT   (1 << 9)
#define JOYBUS_GCN_BUTTON_DOWN    (1 << 10)
#define JOYBUS_GCN_BUTTON_UP      (1 << 11)
#define JOYBUS_GCN_BUTTON_Z       (1 << 12)
#define JOYBUS_GCN_BUTTON_R       (1 << 13)
#define JOYBUS_GCN_BUTTON_L       (1 << 14)
#define JOYBUS_GCN_USE_ORIGIN     (1 << 15)
#define JOYBUS_GCN_BUTTON_MASK    0x7F1F

struct joybus_gc_controller_input {
  uint16_t buttons;

  uint8_t stick_x;

  uint8_t stick_y;

  uint8_t substick_x;

  uint8_t substick_y;

  uint8_t trigger_left;

  uint8_t trigger_right;

  uint8_t analog_a;

  uint8_t analog_b;
} __attribute__((packed));

enum joybus_gcn_analog_mode {
  JOYBUS_GCN_ANALOG_MODE_0,

  JOYBUS_GCN_ANALOG_MODE_1,

  JOYBUS_GCN_ANALOG_MODE_2,

  JOYBUS_GCN_ANALOG_MODE_3,

  JOYBUS_GCN_ANALOG_MODE_4,
};

enum joybus_gcn_motor_state {
  JOYBUS_GCN_MOTOR_STOP,

  JOYBUS_GCN_MOTOR_RUMBLE,

  JOYBUS_GCN_MOTOR_STOP_HARD,
};