joypad_internal.h

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#ifndef __LIBDRAGON_JOYPAD_INTERNAL_H
#define __LIBDRAGON_JOYPAD_INTERNAL_H
 
#include <assert.h>
#include <stddef.h>
#include <stdint.h>
 
#include "joypad_accessory.h"
#include "utils.h"
 
#ifdef __cplusplus
extern "C" {
#endif
 
#define ASSERT_JOYPAD_PORT_VALID(port) \
    assert((port) >= 0 && (port) < JOYPAD_PORT_COUNT)
 
typedef enum
{
    JOYPAD_RUMBLE_METHOD_NONE = 0,
    JOYPAD_RUMBLE_METHOD_N64_RUMBLE_PAK,
    JOYPAD_RUMBLE_METHOD_GCN_CONTROLLER,
} joypad_rumble_method_t;
 
#define JOYPAD_RAW_2D_RIGHT (1<<0)
#define JOYPAD_RAW_2D_LEFT  (1<<1)
#define JOYPAD_RAW_2D_DOWN  (1<<2)
#define JOYPAD_RAW_2D_UP    (1<<3)
typedef struct joypad_gcn_origin_s
{
    uint8_t stick_x;
    uint8_t stick_y;
    uint8_t cstick_x;
    uint8_t cstick_y;
    uint8_t analog_l;
    uint8_t analog_r;
} joypad_gcn_origin_t;
 
#define JOYPAD_GCN_ORIGIN_INIT \
    ((joypad_gcn_origin_t){ 127, 127, 127, 127, 0, 0 })
 
#define CLAMP_ANALOG_STICK(value) CLAMP((int)(value), -127, 127)
 
#define CLAMP_ANALOG_TRIGGER(value) CLAMP((int)(value), 0, 255)
 
typedef struct joypad_device_cold_s
{
    joybus_identifier_t identifier;
    joypad_style_t style;
    joypad_inputs_t current;
    joypad_inputs_t previous;
} joypad_device_cold_t;
 
typedef struct joypad_device_hot_s
{
    joypad_style_t style;
    joypad_rumble_method_t rumble_method;
    bool rumble_active;
} joypad_device_hot_t;
 
extern volatile joybus_identifier_t joypad_identifiers_hot[JOYPAD_PORT_COUNT];
extern volatile joypad_device_hot_t joypad_devices_hot[JOYPAD_PORT_COUNT];
extern volatile joypad_gcn_origin_t joypad_origins_hot[JOYPAD_PORT_COUNT];
extern volatile joypad_accessory_t  joypad_accessories_hot[JOYPAD_PORT_COUNT];
 
joypad_inputs_t joypad_read_n64_inputs(joypad_port_t port);
 
int joypad_get_accessory_state(joypad_port_t port);
 
int joypad_get_accessory_error(joypad_port_t port);
 
#ifdef __cplusplus
}
#endif
 
 
#endif