403 lines
14 KiB
C
403 lines
14 KiB
C
/* $FreeBSD$ */
|
|
/*-
|
|
* Copyright (c) 2009 Sylvestre Gallon. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef __LIBUSB_H__
|
|
#define __LIBUSB_H__
|
|
|
|
#include <sys/time.h>
|
|
#include <sys/types.h>
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
#if 0
|
|
} /* indent fix */
|
|
|
|
#endif
|
|
|
|
/* libusb enums */
|
|
|
|
enum libusb_class_code {
|
|
LIBUSB_CLASS_PER_INTERFACE = 0,
|
|
LIBUSB_CLASS_AUDIO = 1,
|
|
LIBUSB_CLASS_COMM = 2,
|
|
LIBUSB_CLASS_HID = 3,
|
|
LIBUSB_CLASS_PTP = 6,
|
|
LIBUSB_CLASS_PRINTER = 7,
|
|
LIBUSB_CLASS_MASS_STORAGE = 8,
|
|
LIBUSB_CLASS_HUB = 9,
|
|
LIBUSB_CLASS_DATA = 10,
|
|
LIBUSB_CLASS_VENDOR_SPEC = 0xff,
|
|
};
|
|
|
|
enum libusb_descriptor_type {
|
|
LIBUSB_DT_DEVICE = 0x01,
|
|
LIBUSB_DT_CONFIG = 0x02,
|
|
LIBUSB_DT_STRING = 0x03,
|
|
LIBUSB_DT_INTERFACE = 0x04,
|
|
LIBUSB_DT_ENDPOINT = 0x05,
|
|
LIBUSB_DT_HID = 0x21,
|
|
LIBUSB_DT_REPORT = 0x22,
|
|
LIBUSB_DT_PHYSICAL = 0x23,
|
|
LIBUSB_DT_HUB = 0x29,
|
|
};
|
|
|
|
#define LIBUSB_DT_DEVICE_SIZE 18
|
|
#define LIBUSB_DT_CONFIG_SIZE 9
|
|
#define LIBUSB_DT_INTERFACE_SIZE 9
|
|
#define LIBUSB_DT_ENDPOINT_SIZE 7
|
|
#define LIBUSB_DT_ENDPOINT_AUDIO_SIZE 9
|
|
#define LIBUSB_DT_HUB_NONVAR_SIZE 7
|
|
|
|
#define LIBUSB_ENDPOINT_ADDRESS_MASK 0x0f
|
|
#define LIBUSB_ENDPOINT_DIR_MASK 0x80
|
|
|
|
enum libusb_endpoint_direction {
|
|
LIBUSB_ENDPOINT_IN = 0x80,
|
|
LIBUSB_ENDPOINT_OUT = 0x00,
|
|
};
|
|
|
|
#define LIBUSB_TRANSFER_TYPE_MASK 0x03
|
|
|
|
enum libusb_transfer_type {
|
|
LIBUSB_TRANSFER_TYPE_CONTROL = 0,
|
|
LIBUSB_TRANSFER_TYPE_ISOCHRONOUS = 1,
|
|
LIBUSB_TRANSFER_TYPE_BULK = 2,
|
|
LIBUSB_TRANSFER_TYPE_INTERRUPT = 3,
|
|
};
|
|
|
|
enum libusb_standard_request {
|
|
LIBUSB_REQUEST_GET_STATUS = 0x00,
|
|
LIBUSB_REQUEST_CLEAR_FEATURE = 0x01,
|
|
LIBUSB_REQUEST_SET_FEATURE = 0x03,
|
|
LIBUSB_REQUEST_SET_ADDRESS = 0x05,
|
|
LIBUSB_REQUEST_GET_DESCRIPTOR = 0x06,
|
|
LIBUSB_REQUEST_SET_DESCRIPTOR = 0x07,
|
|
LIBUSB_REQUEST_GET_CONFIGURATION = 0x08,
|
|
LIBUSB_REQUEST_SET_CONFIGURATION = 0x09,
|
|
LIBUSB_REQUEST_GET_INTERFACE = 0x0A,
|
|
LIBUSB_REQUEST_SET_INTERFACE = 0x0B,
|
|
LIBUSB_REQUEST_SYNCH_FRAME = 0x0C,
|
|
};
|
|
|
|
enum libusb_request_type {
|
|
LIBUSB_REQUEST_TYPE_STANDARD = (0x00 << 5),
|
|
LIBUSB_REQUEST_TYPE_CLASS = (0x01 << 5),
|
|
LIBUSB_REQUEST_TYPE_VENDOR = (0x02 << 5),
|
|
LIBUSB_REQUEST_TYPE_RESERVED = (0x03 << 5),
|
|
};
|
|
|
|
enum libusb_request_recipient {
|
|
LIBUSB_RECIPIENT_DEVICE = 0x00,
|
|
LIBUSB_RECIPIENT_INTERFACE = 0x01,
|
|
LIBUSB_RECIPIENT_ENDPOINT = 0x02,
|
|
LIBUSB_RECIPIENT_OTHER = 0x03,
|
|
};
|
|
|
|
#define LIBUSB_ISO_SYNC_TYPE_MASK 0x0C
|
|
|
|
enum libusb_iso_sync_type {
|
|
LIBUSB_ISO_SYNC_TYPE_NONE = 0,
|
|
LIBUSB_ISO_SYNC_TYPE_ASYNC = 1,
|
|
LIBUSB_ISO_SYNC_TYPE_ADAPTIVE = 2,
|
|
LIBUSB_ISO_SYNC_TYPE_SYNC = 3,
|
|
};
|
|
|
|
#define LIBUSB_ISO_USAGE_TYPE_MASK 0x30
|
|
|
|
enum libusb_iso_usage_type {
|
|
LIBUSB_ISO_USAGE_TYPE_DATA = 0,
|
|
LIBUSB_ISO_USAGE_TYPE_FEEDBACK = 1,
|
|
LIBUSB_ISO_USAGE_TYPE_IMPLICIT = 2,
|
|
};
|
|
|
|
enum libusb_error {
|
|
LIBUSB_SUCCESS = 0,
|
|
LIBUSB_ERROR_IO = -1,
|
|
LIBUSB_ERROR_INVALID_PARAM = -2,
|
|
LIBUSB_ERROR_ACCESS = -3,
|
|
LIBUSB_ERROR_NO_DEVICE = -4,
|
|
LIBUSB_ERROR_NOT_FOUND = -5,
|
|
LIBUSB_ERROR_BUSY = -6,
|
|
LIBUSB_ERROR_TIMEOUT = -7,
|
|
LIBUSB_ERROR_OVERFLOW = -8,
|
|
LIBUSB_ERROR_PIPE = -9,
|
|
LIBUSB_ERROR_INTERRUPTED = -10,
|
|
LIBUSB_ERROR_NO_MEM = -11,
|
|
LIBUSB_ERROR_NOT_SUPPORTED = -12,
|
|
LIBUSB_ERROR_OTHER = -99,
|
|
};
|
|
|
|
enum libusb_speed {
|
|
LIBUSB_SPEED_UNKNOWN = 0,
|
|
LIBUSB_SPEED_LOW = 1,
|
|
LIBUSB_SPEED_FULL = 2,
|
|
LIBUSB_SPEED_HIGH = 3,
|
|
LIBUSB_SPEED_SUPER = 4,
|
|
};
|
|
|
|
enum libusb_transfer_status {
|
|
LIBUSB_TRANSFER_COMPLETED,
|
|
LIBUSB_TRANSFER_ERROR,
|
|
LIBUSB_TRANSFER_TIMED_OUT,
|
|
LIBUSB_TRANSFER_CANCELLED,
|
|
LIBUSB_TRANSFER_STALL,
|
|
LIBUSB_TRANSFER_NO_DEVICE,
|
|
LIBUSB_TRANSFER_OVERFLOW,
|
|
};
|
|
|
|
enum libusb_transfer_flags {
|
|
LIBUSB_TRANSFER_SHORT_NOT_OK = 1 << 0,
|
|
LIBUSB_TRANSFER_FREE_BUFFER = 1 << 1,
|
|
LIBUSB_TRANSFER_FREE_TRANSFER = 1 << 2,
|
|
};
|
|
|
|
enum libusb_debug_level {
|
|
LIBUSB_DEBUG_NO=0,
|
|
LIBUSB_DEBUG_FUNCTION=1,
|
|
LIBUSB_DEBUG_TRANSFER=2,
|
|
};
|
|
|
|
/* libusb structures */
|
|
|
|
struct libusb_context;
|
|
struct libusb_device;
|
|
struct libusb_transfer;
|
|
struct libusb_device_handle;
|
|
|
|
struct libusb_pollfd {
|
|
int fd;
|
|
short events;
|
|
};
|
|
|
|
typedef struct libusb_context libusb_context;
|
|
typedef struct libusb_device libusb_device;
|
|
typedef struct libusb_device_handle libusb_device_handle;
|
|
typedef struct libusb_pollfd libusb_pollfd;
|
|
typedef void (*libusb_pollfd_added_cb) (int fd, short events, void *user_data);
|
|
typedef void (*libusb_pollfd_removed_cb) (int fd, void *user_data);
|
|
|
|
typedef struct libusb_device_descriptor {
|
|
uint8_t bLength;
|
|
uint8_t bDescriptorType;
|
|
uint16_t bcdUSB;
|
|
uint8_t bDeviceClass;
|
|
uint8_t bDeviceSubClass;
|
|
uint8_t bDeviceProtocol;
|
|
uint8_t bMaxPacketSize0;
|
|
uint16_t idVendor;
|
|
uint16_t idProduct;
|
|
uint16_t bcdDevice;
|
|
uint8_t iManufacturer;
|
|
uint8_t iProduct;
|
|
uint8_t iSerialNumber;
|
|
uint8_t bNumConfigurations;
|
|
} libusb_device_descriptor;
|
|
|
|
typedef struct libusb_endpoint_descriptor {
|
|
uint8_t bLength;
|
|
uint8_t bDescriptorType;
|
|
uint8_t bEndpointAddress;
|
|
uint8_t bmAttributes;
|
|
uint16_t wMaxPacketSize;
|
|
uint8_t bInterval;
|
|
uint8_t bRefresh;
|
|
uint8_t bSynchAddress;
|
|
uint8_t *extra;
|
|
int extra_length;
|
|
} libusb_endpoint_descriptor __aligned(sizeof(void *));
|
|
|
|
typedef struct libusb_interface_descriptor {
|
|
uint8_t bLength;
|
|
uint8_t bDescriptorType;
|
|
uint8_t bInterfaceNumber;
|
|
uint8_t bAlternateSetting;
|
|
uint8_t bNumEndpoints;
|
|
uint8_t bInterfaceClass;
|
|
uint8_t bInterfaceSubClass;
|
|
uint8_t bInterfaceProtocol;
|
|
uint8_t iInterface;
|
|
struct libusb_endpoint_descriptor *endpoint;
|
|
uint8_t *extra;
|
|
int extra_length;
|
|
} libusb_interface_descriptor __aligned(sizeof(void *));
|
|
|
|
typedef struct libusb_interface {
|
|
struct libusb_interface_descriptor *altsetting;
|
|
int num_altsetting;
|
|
} libusb_interface __aligned(sizeof(void *));
|
|
|
|
typedef struct libusb_config_descriptor {
|
|
uint8_t bLength;
|
|
uint8_t bDescriptorType;
|
|
uint16_t wTotalLength;
|
|
uint8_t bNumInterfaces;
|
|
uint8_t bConfigurationValue;
|
|
uint8_t iConfiguration;
|
|
uint8_t bmAttributes;
|
|
uint8_t MaxPower;
|
|
struct libusb_interface *interface;
|
|
uint8_t *extra;
|
|
int extra_length;
|
|
} libusb_config_descriptor __aligned(sizeof(void *));
|
|
|
|
typedef struct libusb_control_setup {
|
|
uint8_t bmRequestType;
|
|
uint8_t bRequest;
|
|
uint16_t wValue;
|
|
uint16_t wIndex;
|
|
uint16_t wLength;
|
|
} libusb_control_setup;
|
|
|
|
#define LIBUSB_CONTROL_SETUP_SIZE 8 /* bytes */
|
|
|
|
typedef struct libusb_iso_packet_descriptor {
|
|
uint32_t length;
|
|
uint32_t actual_length;
|
|
enum libusb_transfer_status status;
|
|
} libusb_iso_packet_descriptor __aligned(sizeof(void *));
|
|
|
|
typedef void (*libusb_transfer_cb_fn) (struct libusb_transfer *transfer);
|
|
|
|
typedef struct libusb_transfer {
|
|
libusb_device_handle *dev_handle;
|
|
uint8_t flags;
|
|
uint32_t endpoint;
|
|
uint8_t type;
|
|
uint32_t timeout;
|
|
enum libusb_transfer_status status;
|
|
int length;
|
|
int actual_length;
|
|
libusb_transfer_cb_fn callback;
|
|
void *user_data;
|
|
uint8_t *buffer;
|
|
void *os_priv;
|
|
int num_iso_packets;
|
|
struct libusb_iso_packet_descriptor iso_packet_desc[0];
|
|
} libusb_transfer __aligned(sizeof(void *));
|
|
|
|
/* Library initialisation */
|
|
|
|
void libusb_set_debug(libusb_context * ctx, int level);
|
|
const char *libusb_strerror(int code);
|
|
const char *libusb_error_name(int code);
|
|
int libusb_init(libusb_context ** context);
|
|
void libusb_exit(struct libusb_context *ctx);
|
|
|
|
/* Device handling and enumeration */
|
|
|
|
ssize_t libusb_get_device_list(libusb_context * ctx, libusb_device *** list);
|
|
void libusb_free_device_list(libusb_device ** list, int unref_devices);
|
|
uint8_t libusb_get_bus_number(libusb_device * dev);
|
|
uint8_t libusb_get_device_address(libusb_device * dev);
|
|
enum libusb_speed libusb_get_device_speed(libusb_device * dev);
|
|
int libusb_clear_halt(libusb_device_handle *devh, uint8_t endpoint);
|
|
int libusb_get_max_packet_size(libusb_device * dev, uint8_t endpoint);
|
|
libusb_device *libusb_ref_device(libusb_device * dev);
|
|
void libusb_unref_device(libusb_device * dev);
|
|
int libusb_open(libusb_device * dev, libusb_device_handle ** devh);
|
|
libusb_device_handle *libusb_open_device_with_vid_pid(libusb_context * ctx, uint16_t vendor_id, uint16_t product_id);
|
|
void libusb_close(libusb_device_handle * devh);
|
|
libusb_device *libusb_get_device(libusb_device_handle * devh);
|
|
int libusb_get_configuration(libusb_device_handle * devh, int *config);
|
|
int libusb_set_configuration(libusb_device_handle * devh, int configuration);
|
|
int libusb_claim_interface(libusb_device_handle * devh, int interface_number);
|
|
int libusb_release_interface(libusb_device_handle * devh, int interface_number);
|
|
int libusb_reset_device(libusb_device_handle * devh);
|
|
int libusb_check_connected(libusb_device_handle * devh);
|
|
int libusb_kernel_driver_active(libusb_device_handle * devh, int interface);
|
|
int libusb_get_driver_np(libusb_device_handle * devh, int interface, char *name, int namelen);
|
|
int libusb_get_driver(libusb_device_handle * devh, int interface, char *name, int namelen);
|
|
int libusb_detach_kernel_driver_np(libusb_device_handle * devh, int interface);
|
|
int libusb_detach_kernel_driver(libusb_device_handle * devh, int interface);
|
|
int libusb_attach_kernel_driver(libusb_device_handle * devh, int interface);
|
|
int libusb_set_interface_alt_setting(libusb_device_handle * devh, int interface_number, int alternate_setting);
|
|
|
|
/* USB Descriptors */
|
|
|
|
int libusb_get_device_descriptor(libusb_device * dev, struct libusb_device_descriptor *desc);
|
|
int libusb_get_active_config_descriptor(libusb_device * dev, struct libusb_config_descriptor **config);
|
|
int libusb_get_config_descriptor(libusb_device * dev, uint8_t config_index, struct libusb_config_descriptor **config);
|
|
int libusb_get_config_descriptor_by_value(libusb_device * dev, uint8_t bConfigurationValue, struct libusb_config_descriptor **config);
|
|
void libusb_free_config_descriptor(struct libusb_config_descriptor *config);
|
|
int libusb_get_string_descriptor_ascii(libusb_device_handle * devh, uint8_t desc_index, uint8_t *data, int length);
|
|
int libusb_get_descriptor(libusb_device_handle * devh, uint8_t desc_type, uint8_t desc_index, uint8_t *data, int length);
|
|
|
|
/* Asynchronous device I/O */
|
|
|
|
struct libusb_transfer *libusb_alloc_transfer(int iso_packets);
|
|
void libusb_free_transfer(struct libusb_transfer *transfer);
|
|
int libusb_submit_transfer(struct libusb_transfer *transfer);
|
|
int libusb_cancel_transfer(struct libusb_transfer *transfer);
|
|
uint8_t *libusb_get_iso_packet_buffer(struct libusb_transfer *transfer, uint32_t index);
|
|
uint8_t *libusb_get_iso_packet_buffer_simple(struct libusb_transfer *transfer, uint32_t index);
|
|
void libusb_set_iso_packet_lengths(struct libusb_transfer *transfer, uint32_t length);
|
|
uint8_t *libusb_control_transfer_get_data(struct libusb_transfer *transfer);
|
|
struct libusb_control_setup *libusb_control_transfer_get_setup(struct libusb_transfer *transfer);
|
|
void libusb_fill_control_setup(uint8_t *buf, uint8_t bmRequestType, uint8_t bRequest, uint16_t wValue, uint16_t wIndex, uint16_t wLength);
|
|
void libusb_fill_control_transfer(struct libusb_transfer *transfer, libusb_device_handle *devh, uint8_t *buf, libusb_transfer_cb_fn callback, void *user_data, uint32_t timeout);
|
|
void libusb_fill_bulk_transfer(struct libusb_transfer *transfer, libusb_device_handle *devh, uint8_t endpoint, uint8_t *buf, int length, libusb_transfer_cb_fn callback, void *user_data, uint32_t timeout);
|
|
void libusb_fill_interrupt_transfer(struct libusb_transfer *transfer, libusb_device_handle *devh, uint8_t endpoint, uint8_t *buf, int length, libusb_transfer_cb_fn callback, void *user_data, uint32_t timeout);
|
|
void libusb_fill_iso_transfer(struct libusb_transfer *transfer, libusb_device_handle *devh, uint8_t endpoint, uint8_t *buf, int length, int npacket, libusb_transfer_cb_fn callback, void *user_data, uint32_t timeout);
|
|
|
|
/* Polling and timing */
|
|
|
|
int libusb_try_lock_events(libusb_context * ctx);
|
|
void libusb_lock_events(libusb_context * ctx);
|
|
void libusb_unlock_events(libusb_context * ctx);
|
|
int libusb_event_handling_ok(libusb_context * ctx);
|
|
int libusb_event_handler_active(libusb_context * ctx);
|
|
void libusb_lock_event_waiters(libusb_context * ctx);
|
|
void libusb_unlock_event_waiters(libusb_context * ctx);
|
|
int libusb_wait_for_event(libusb_context * ctx, struct timeval *tv);
|
|
int libusb_handle_events_timeout(libusb_context * ctx, struct timeval *tv);
|
|
int libusb_handle_events(libusb_context * ctx);
|
|
int libusb_handle_events_locked(libusb_context * ctx, struct timeval *tv);
|
|
int libusb_get_next_timeout(libusb_context * ctx, struct timeval *tv);
|
|
void libusb_set_pollfd_notifiers(libusb_context * ctx, libusb_pollfd_added_cb added_cb, libusb_pollfd_removed_cb removed_cb, void *user_data);
|
|
struct libusb_pollfd **libusb_get_pollfds(libusb_context * ctx);
|
|
|
|
/* Synchronous device I/O */
|
|
|
|
int libusb_control_transfer(libusb_device_handle * devh, uint8_t bmRequestType, uint8_t bRequest, uint16_t wValue, uint16_t wIndex, uint8_t *data, uint16_t wLength, uint32_t timeout);
|
|
int libusb_bulk_transfer(libusb_device_handle * devh, uint8_t endpoint, uint8_t *data, int length, int *transferred, uint32_t timeout);
|
|
int libusb_interrupt_transfer(libusb_device_handle * devh, uint8_t endpoint, uint8_t *data, int length, int *transferred, uint32_t timeout);
|
|
|
|
/* Byte-order */
|
|
|
|
uint16_t libusb_cpu_to_le16(uint16_t x);
|
|
uint16_t libusb_le16_to_cpu(uint16_t x);
|
|
|
|
#if 0
|
|
{ /* indent fix */
|
|
#endif
|
|
#ifdef __cplusplus
|
|
}
|
|
|
|
#endif
|
|
|
|
#endif /* __LIBUSB_H__ */
|