device_wiiu_gca.c File Reference

#include <stdio.h>
#include "hid_device_driver.h"

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Classes
struct	wiiu_gca_instance
struct	gca_pad_data

Macros
#define	GCA_PORT_INITIALIZING   0x00
#define	GCA_PORT_POWERED   0x04
#define	GCA_PORT_CONNECTED   0x10
#define	GCA_WAVEBIRD_CONNECTED   0x22

Typedefs
typedef struct wiiu_gca_instance	wiiu_gca_instance_t
typedef struct gca_pad_data	gca_pad_t

Functions
static void	update_pad_state (wiiu_gca_instance_t *instance)
static void	unregister_pad (wiiu_gca_instance_t *instance, int port)
static void *	wiiu_gca_init (void *handle)
static void	wiiu_gca_free (void *data)
static void	wiiu_gca_handle_packet (void *data, uint8_t *buffer, size_t size)
static bool	wiiu_gca_detect (uint16_t vendor_id, uint16_t product_id)
static void *	wiiu_gca_pad_init (void *data, uint32_t slot, hid_driver_t *driver)
static void	wiiu_gca_pad_deinit (void *data)
static void	wiiu_gca_get_buttons (void *data, input_bits_t *state)
static void	update_buttons (gca_pad_t *pad)
static void	update_analog_state (gca_pad_t *pad)
static void	wiiu_gca_packet_handler (void *data, uint8_t *packet, uint16_t size)
static void	wiiu_gca_set_rumble (void *data, enum retro_rumble_effect effect, uint16_t strength)
static int16_t	wiiu_gca_get_axis (void *data, unsigned axis)
static const char *	wiiu_gca_get_name (void *data)
static bool	wiiu_gca_button (void *data, uint16_t joykey)

Variables
static uint8_t	activation_packet [] = { 0x13 }
pad_connection_interface_t	wiiu_gca_pad_connection
hid_device_t	wiiu_gca_hid_device

Macro Definition Documentation

GCA_PORT_CONNECTED

#define GCA_PORT_CONNECTED   0x10

GCA_PORT_INITIALIZING

#define GCA_PORT_INITIALIZING   0x00

GCA_PORT_POWERED

#define GCA_PORT_POWERED   0x04

GCA_WAVEBIRD_CONNECTED

#define GCA_WAVEBIRD_CONNECTED   0x22

Typedef Documentation

gca_pad_t

typedef struct gca_pad_data gca_pad_t

wiiu_gca_instance_t

typedef struct wiiu_gca_instance wiiu_gca_instance_t

Function Documentation

unregister_pad()

static void unregister_pad ( wiiu_gca_instance_t *  instance, int  port  )

static

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update_analog_state()

static void update_analog_state ( gca_pad_t *  pad )

static

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update_buttons()

static void update_buttons ( gca_pad_t *  pad )

static

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update_pad_state()

static void update_pad_state ( wiiu_gca_instance_t *  instance )

static

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wiiu_gca_button()

static bool wiiu_gca_button ( void *  data, uint16_t  joykey  )

static

Button bitmask values: 0x0001 - A 0x0010 - left 0x0100 - Start/Pause 0x0002 - B 0x0020 - right 0x0200 - Z 0x0004 - X 0x0040 - down 0x0400 - R 0x0008 - Y 0x0080 - up 0x0800 - L

wiiu_gca_detect()

static bool wiiu_gca_detect ( uint16_t  vendor_id, uint16_t  product_id  )

static

wiiu_gca_free()

static void wiiu_gca_free ( void *  data )

static

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wiiu_gca_get_axis()

static int16_t wiiu_gca_get_axis ( void *  data, unsigned  axis  )

static

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wiiu_gca_get_buttons()

static void wiiu_gca_get_buttons ( void *  data, input_bits_t *  state  )

static

wiiu_gca_get_name()

static const char* wiiu_gca_get_name ( void *  data )

static

wiiu_gca_handle_packet()

static void wiiu_gca_handle_packet ( void *  data, uint8_t *  buffer, size_t  size  )

static

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wiiu_gca_init()

static void* wiiu_gca_init ( void *  handle )

static

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wiiu_gca_packet_handler()

static void wiiu_gca_packet_handler ( void *  data, uint8_t *  packet, uint16_t  size  )

static

The USB packet provides a 9-byte data packet for each pad.

byte 0: connection status (0x14 = connected, 0x04 = disconnected) bytes 1-2: digital buttons bytes 3-4: left analog stick x/y bytes 5-6: right analog stick x/y bytes 7-8: L/R analog state (note that these have digital buttons too)

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wiiu_gca_pad_deinit()

static void wiiu_gca_pad_deinit ( void *  data )

static

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wiiu_gca_pad_init()

static void* wiiu_gca_pad_init ( void *  data, uint32_t  slot, hid_driver_t *  driver  )

static

Pad connection interface implementation. This handles each individual GC controller (as opposed to the above that handles the GCA itself).

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wiiu_gca_set_rumble()

static void wiiu_gca_set_rumble ( void *  data, enum retro_rumble_effect  effect, uint16_t  strength  )

static

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Variable Documentation

activation_packet

uint8_t activation_packet[] = { 0x13 }

static

wiiu_gca_hid_device

hid_device_t wiiu_gca_hid_device

Initial value:

= {
   wiiu_gca_init,
   wiiu_gca_free,
   wiiu_gca_handle_packet,
   wiiu_gca_detect,
   "Wii U Gamecube Adapter"
}

wiiu_gca_pad_connection

pad_connection_interface_t wiiu_gca_pad_connection

Initial value:

= {
   wiiu_gca_pad_init,
   wiiu_gca_pad_deinit,
   wiiu_gca_packet_handler,
   wiiu_gca_set_rumble,
   wiiu_gca_get_buttons,
   wiiu_gca_get_axis,
   wiiu_gca_get_name,
   wiiu_gca_button
}