joypad.h

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#ifndef __LIBDRAGON_JOYPAD_H
#define __LIBDRAGON_JOYPAD_H
 
#include <stdbool.h>
 
#include "joybus.h"
 
#ifdef __cplusplus
extern "C" {
#endif
 
typedef enum
{
    JOYPAD_PORT_1     = 0,
    JOYPAD_PORT_2     = 1,
    JOYPAD_PORT_3     = 2,
    JOYPAD_PORT_4     = 3,
} joypad_port_t;
 
#define JOYPAD_PORT_COUNT 4
 
#define JOYPAD_PORT_FOREACH(iterator_token) \
    for (\
        joypad_port_t iterator_token = JOYPAD_PORT_1; \
        iterator_token < JOYPAD_PORT_COUNT; \
        iterator_token += 1 \
    )
 
typedef enum
{
    JOYPAD_STYLE_NONE = 0,
    JOYPAD_STYLE_N64,
    JOYPAD_STYLE_GCN,
    JOYPAD_STYLE_MOUSE,
} joypad_style_t;
 
typedef enum
{
    JOYPAD_ACCESSORY_TYPE_NONE = 0,
    JOYPAD_ACCESSORY_TYPE_UNKNOWN,
    JOYPAD_ACCESSORY_TYPE_CONTROLLER_PAK,
    JOYPAD_ACCESSORY_TYPE_RUMBLE_PAK,
    JOYPAD_ACCESSORY_TYPE_TRANSFER_PAK,
    JOYPAD_ACCESSORY_TYPE_BIO_SENSOR,
    JOYPAD_ACCESSORY_TYPE_SNAP_STATION,
} joypad_accessory_type_t;
 
typedef union joypad_buttons_u
{
    uint16_t raw;
    struct __attribute__((packed))
    {
 
        unsigned a : 1;
        unsigned b : 1;
        unsigned z : 1;
        unsigned start : 1;
        unsigned d_up : 1;
        unsigned d_down : 1;
        unsigned d_left : 1;
        unsigned d_right : 1;
        unsigned y : 1;
        unsigned x : 1;
        unsigned l : 1;
        unsigned r : 1;
        unsigned c_up : 1;
        unsigned c_down : 1;
        unsigned c_left : 1;
        unsigned c_right : 1;
    };
} joypad_buttons_t;
 
typedef struct __attribute__((packed)) joypad_inputs_s
{
    joypad_buttons_t btn;
    int8_t stick_x;
    int8_t stick_y;
    int8_t cstick_x;
    int8_t cstick_y;
    uint8_t analog_l;
    uint8_t analog_r;
} joypad_inputs_t;
 
#define JOYPAD_RANGE_N64_STICK_MAX    90
#define JOYPAD_RANGE_GCN_STICK_MAX    100
#define JOYPAD_RANGE_GCN_CSTICK_MAX   76
#define JOYPAD_RANGE_GCN_TRIGGER_MAX  200
typedef enum
{
    JOYPAD_AXIS_STICK_X  = offsetof(joypad_inputs_t, stick_x),
    JOYPAD_AXIS_STICK_Y  = offsetof(joypad_inputs_t, stick_y),
    JOYPAD_AXIS_CSTICK_X = offsetof(joypad_inputs_t, cstick_x),
    JOYPAD_AXIS_CSTICK_Y = offsetof(joypad_inputs_t, cstick_y),
    JOYPAD_AXIS_ANALOG_L = offsetof(joypad_inputs_t, analog_l),
    JOYPAD_AXIS_ANALOG_R = offsetof(joypad_inputs_t, analog_r),
} joypad_axis_t;
 
typedef enum
{
    JOYPAD_2D_STICK = (1 << 0),
    JOYPAD_2D_DPAD  = (1 << 1),
    JOYPAD_2D_C     = (1 << 2),
    JOYPAD_2D_LH    = (JOYPAD_2D_STICK | JOYPAD_2D_DPAD),
    JOYPAD_2D_RH    = (JOYPAD_2D_STICK | JOYPAD_2D_C),
    JOYPAD_2D_ANY   = (JOYPAD_2D_STICK | JOYPAD_2D_DPAD | JOYPAD_2D_C),
} joypad_2d_t;
 
typedef enum
{
    JOYPAD_8WAY_NONE       = -1,
    JOYPAD_8WAY_RIGHT      = 0,
    JOYPAD_8WAY_UP_RIGHT   = 1,
    JOYPAD_8WAY_UP         = 2,
    JOYPAD_8WAY_UP_LEFT    = 3,
    JOYPAD_8WAY_LEFT       = 4,
    JOYPAD_8WAY_DOWN_LEFT  = 5,
    JOYPAD_8WAY_DOWN       = 6,
    JOYPAD_8WAY_DOWN_RIGHT = 7,
} joypad_8way_t;
 
void joypad_init(void);
 
void joypad_close(void);
 
void joypad_poll(void);
 
bool joypad_is_connected(joypad_port_t port);
 
joybus_identifier_t joypad_get_identifier(joypad_port_t port);
 
joypad_style_t joypad_get_style(joypad_port_t port);
 
joypad_accessory_type_t joypad_get_accessory_type(joypad_port_t port);
 
bool joypad_get_rumble_supported(joypad_port_t port);
 
bool joypad_get_rumble_active(joypad_port_t port);
 
void joypad_set_rumble_active(joypad_port_t port, bool active);
 
joypad_inputs_t joypad_get_inputs(joypad_port_t port);
 
joypad_buttons_t joypad_get_buttons(joypad_port_t port);
 
joypad_buttons_t joypad_get_buttons_pressed(joypad_port_t port);
 
joypad_buttons_t joypad_get_buttons_released(joypad_port_t port);
 
joypad_buttons_t joypad_get_buttons_held(joypad_port_t port);
 
joypad_8way_t joypad_get_direction(joypad_port_t port, joypad_2d_t axes);
 
int joypad_get_axis_pressed(joypad_port_t port, joypad_axis_t axis);
 
int joypad_get_axis_released(joypad_port_t port, joypad_axis_t axis);
 
int joypad_get_axis_held(joypad_port_t port, joypad_axis_t axis);
 
#ifdef __cplusplus
}
#endif
 
 
#endif