libusb.h

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#ifndef __VSF_LINUX_LIBUSB_H__
#define __VSF_LINUX_LIBUSB_H__
 
#include "shell/sys/linux/vsf_linux_cfg.h"
 
#if VSF_LINUX_CFG_RELATIVE_PATH == ENABLED
#   include "./poll.h"
#   include "./sys/time.h"
#   include "./unistd.h"
#else
#   include <poll.h>
#   include <sys/time.h>
#   include <unistd.h>
#endif
 
// for USB constants
#include "component/usb/common/usb_common.h"
// for endian APIs
#include "hal/arch/vsf_arch.h"
 
#ifdef __cplusplus
extern "C" {
#endif
 
#if VSF_LINUX_LIBUSB_CFG_WRAPPER == ENABLED
#define VSF_LINUX_LIBUSB_WRAPPER(__api)                 VSF_SHELL_WRAPPER(vsf_linux_libusb, __api)
 
#define libusb_strerror                                 VSF_LINUX_LIBUSB_WRAPPER(libusb_strerror)
#define libusb_get_version                              VSF_LINUX_LIBUSB_WRAPPER(libusb_get_version)
#define libusb_init                                     VSF_LINUX_LIBUSB_WRAPPER(libusb_init)
#define libusb_exit                                     VSF_LINUX_LIBUSB_WRAPPER(libusb_exit)
#define libusb_set_debug                                VSF_LINUX_LIBUSB_WRAPPER(libusb_set_debug)
#define libusb_error_name                               VSF_LINUX_LIBUSB_WRAPPER(libusb_error_name)
#define libusb_get_device_list                          VSF_LINUX_LIBUSB_WRAPPER(libusb_get_device_list)
#define libusb_free_device_list                         VSF_LINUX_LIBUSB_WRAPPER(libusb_free_device_list)
#define libusb_open                                     VSF_LINUX_LIBUSB_WRAPPER(libusb_open)
#define libusb_open_device_with_vid_pid                 VSF_LINUX_LIBUSB_WRAPPER(libusb_open_device_with_vid_pid)
#define libusb_get_device                               VSF_LINUX_LIBUSB_WRAPPER(libusb_get_device)
#define libusb_close                                    VSF_LINUX_LIBUSB_WRAPPER(libusb_close)
#define libusb_get_device_descriptor                    VSF_LINUX_LIBUSB_WRAPPER(libusb_get_device_descriptor)
#define libusb_get_device_address                       VSF_LINUX_LIBUSB_WRAPPER(libusb_get_device_address)
#define libusb_get_bus_number                           VSF_LINUX_LIBUSB_WRAPPER(libusb_get_bus_number)
#define libusb_get_port_number                          VSF_LINUX_LIBUSB_WRAPPER(libusb_get_port_number)
#define libusb_get_parent                               VSF_LINUX_LIBUSB_WRAPPER(libusb_get_parent)
#define libusb_reset_device                             VSF_LINUX_LIBUSB_WRAPPER(libusb_reset_device)
#define libusb_clear_halt                               VSF_LINUX_LIBUSB_WRAPPER(libusb_clear_halt)
#define libusb_alloc_transfer                           VSF_LINUX_LIBUSB_WRAPPER(libusb_alloc_transfer)
#define libusb_fill_control_transfer                    VSF_LINUX_LIBUSB_WRAPPER(libusb_fill_control_transfer)
#define libusb_fill_control_setup                       VSF_LINUX_LIBUSB_WRAPPER(libusb_fill_control_setup)
#define libusb_fill_bulk_transfer                       VSF_LINUX_LIBUSB_WRAPPER(libusb_fill_bulk_transfer)
#define libusb_fill_interrupt_transfer                  VSF_LINUX_LIBUSB_WRAPPER(libusb_fill_interrupt_transfer)
#define libusb_fill_iso_transfer                        VSF_LINUX_LIBUSB_WRAPPER(libusb_fill_iso_transfer)
#define libusb_get_iso_packet_buffer_simple             VSF_LINUX_LIBUSB_WRAPPER(libusb_get_iso_packet_buffer_simple)
#define libusb_set_iso_packet_lengths                   VSF_LINUX_LIBUSB_WRAPPER(libusb_set_iso_packet_lengths)
#define libusb_free_transfer                            VSF_LINUX_LIBUSB_WRAPPER(libusb_free_transfer)
#define libusb_submit_transfer                          VSF_LINUX_LIBUSB_WRAPPER(libusb_submit_transfer)
#define libusb_cancel_transfer                          VSF_LINUX_LIBUSB_WRAPPER(libusb_cancel_transfer)
#define libusb_control_transfer                         VSF_LINUX_LIBUSB_WRAPPER(libusb_control_transfer)
#define libusb_control_transfer_get_data                VSF_LINUX_LIBUSB_WRAPPER(libusb_control_transfer_get_data)
#define libusb_bulk_transfer                            VSF_LINUX_LIBUSB_WRAPPER(libusb_bulk_transfer)
#define libusb_interrupt_transfer                       VSF_LINUX_LIBUSB_WRAPPER(libusb_interrupt_transfer)
#define libusb_get_string_descriptor_ascii              VSF_LINUX_LIBUSB_WRAPPER(libusb_get_string_descriptor_ascii)
#define libusb_get_config_descriptor                    VSF_LINUX_LIBUSB_WRAPPER(libusb_get_config_descriptor)
#define libusb_get_config_descriptor_by_value           VSF_LINUX_LIBUSB_WRAPPER(libusb_get_config_descriptor_by_value)
#define libusb_get_active_config_descriptor             VSF_LINUX_LIBUSB_WRAPPER(libusb_get_active_config_descriptor)
#define libusb_free_config_descriptor                   VSF_LINUX_LIBUSB_WRAPPER(libusb_free_config_descriptor)
#define libusb_get_descriptor                           VSF_LINUX_LIBUSB_WRAPPER(libusb_get_descriptor)
#define libusb_get_string_descriptor                    VSF_LINUX_LIBUSB_WRAPPER(libusb_get_string_descriptor)
#define libusb_set_interface_alt_setting                VSF_LINUX_LIBUSB_WRAPPER(libusb_set_interface_alt_setting)
#define libusb_handle_events_timeout_completed          VSF_LINUX_LIBUSB_WRAPPER(libusb_handle_events_timeout_completed)
#define libusb_handle_events_completed                  VSF_LINUX_LIBUSB_WRAPPER(libusb_handle_events_completed)
#define libusb_handle_events_timeout                    VSF_LINUX_LIBUSB_WRAPPER(libusb_handle_events_timeout)
#define libusb_handle_events                            VSF_LINUX_LIBUSB_WRAPPER(libusb_handle_events)
#define libusb_get_pollfds                              VSF_LINUX_LIBUSB_WRAPPER(libusb_get_pollfds)
#define libusb_free_pollfds                             VSF_LINUX_LIBUSB_WRAPPER(libusb_free_pollfds)
#define libusb_get_ss_endpoint_companion_descriptor     VSF_LINUX_LIBUSB_WRAPPER(libusb_get_ss_endpoint_companion_descriptor)
#define libusb_free_ss_endpoint_companion_descriptor    VSF_LINUX_LIBUSB_WRAPPER(libusb_free_ss_endpoint_companion_descriptor)
#define libusb_claim_interface                          VSF_LINUX_LIBUSB_WRAPPER(libusb_claim_interface)
#define libusb_release_interface                        VSF_LINUX_LIBUSB_WRAPPER(libusb_release_interface)
#define libusb_hotplug_register_callback                VSF_LINUX_LIBUSB_WRAPPER(libusb_hotplug_register_callback)
#define libusb_hotplug_deregister_callback              VSF_LINUX_LIBUSB_WRAPPER(libusb_hotplug_deregister_callback)
#define libusb_get_next_timeout                         VSF_LINUX_LIBUSB_WRAPPER(libusb_get_next_timeout)
#define libusb_has_capability                           VSF_LINUX_LIBUSB_WRAPPER(libusb_has_capability)
#define libusb_attach_kernel_driver                     VSF_LINUX_LIBUSB_WRAPPER(libusb_attach_kernel_driver)
#define libusb_detach_kernel_driver                     VSF_LINUX_LIBUSB_WRAPPER(libusb_detach_kernel_driver)
#define libusb_kernel_driver_active                     VSF_LINUX_LIBUSB_WRAPPER(libusb_kernel_driver_active)
#define libusb_ref_device                               VSF_LINUX_LIBUSB_WRAPPER(libusb_ref_device)
#define libusb_unref_device                             VSF_LINUX_LIBUSB_WRAPPER(libusb_unref_device)
#define libusb_get_max_packet_size                      VSF_LINUX_LIBUSB_WRAPPER(libusb_get_max_packet_size)
#define libusb_get_device_speed                         VSF_LINUX_LIBUSB_WRAPPER(libusb_get_device_speed)
#define libusb_set_configuration                        VSF_LINUX_LIBUSB_WRAPPER(libusb_set_configuration)
#define libusb_get_configuration                        VSF_LINUX_LIBUSB_WRAPPER(libusb_get_configuration)
#endif
 
#define LIBUSB_CALL
#define LIBUSB_HOTPLUG_MATCH_ANY        -1
#define LIBUSB_PACKED                   VSF_CAL_PACKED
 
#define libusb_device_descriptor        usb_device_desc_t
 
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_capability {
    LIBUSB_CAP_HAS_CAPABILITY,
    LIBUSB_CAP_HAS_HOTPLUG,
    LIBUSB_CAP_HAS_HID_ACCESS,
    LIBUSB_CAP_SUPPORTS_DETACH_KERNEL_DRIVER,
};
 
enum libusb_speed {
    LIBUSB_SPEED_UNKNOWN                = USB_SPEED_UNKNOWN,
    LIBUSB_SPEED_LOW                    = USB_SPEED_LOW,
    LIBUSB_SPEED_FULL                   = USB_SPEED_FULL,
    LIBUSB_SPEED_HIGH                   = USB_SPEED_HIGH,
    LIBUSB_SPEED_SUPER                  = USB_SPEED_SUPER,
};
 
#define LIBUSB_ENDPOINT_ADDRESS_MASK    0x0F
#define LIBUSB_ENDPOINT_DIR_MASK        USB_DIR_MASK
enum libusb_endpoint_direction {
    LIBUSB_ENDPOINT_IN                  = USB_DIR_IN,
    LIBUSB_ENDPOINT_OUT                 = USB_DIR_OUT,
};
 
enum libusb_request_type {
    LIBUSB_REQUEST_TYPE_STANDARD        = USB_TYPE_STANDARD,
    LIBUSB_REQUEST_TYPE_CLASS           = USB_TYPE_CLASS,
    LIBUSB_REQUEST_TYPE_VENDOR          = USB_TYPE_VENDOR,
    LIBUSB_REQUEST_TYPE_RESERVED        = USB_TYPE_RESERVED,
};
 
enum libusb_request_recipient {
    LIBUSB_RECIPIENT_DEVICE             = USB_RECIP_DEVICE,
    LIBUSB_RECIPIENT_INTERFACE          = USB_RECIP_INTERFACE,
    LIBUSB_RECIPIENT_ENDPOINT           = USB_RECIP_ENDPOINT,
    LIBUSB_RECIPIENT_OTHER              = USB_RECIP_OTHER,
};
 
enum libusb_standard_request {
    LIBUSB_REQUEST_GET_STATUS           = USB_REQ_GET_STATUS,
    LIBUSB_REQUEST_CLEAR_FEATURE        = USB_REQ_CLEAR_FEATURE,
    LIBUSB_REQUEST_SET_FEATURE          = USB_REQ_SET_FEATURE,
    LIBUSB_REQUEST_SET_ADDRESS          = USB_REQ_SET_ADDRESS,
    LIBUSB_REQUEST_GET_DESCRIPTOR       = USB_REQ_GET_DESCRIPTOR,
    LIBUSB_REQUEST_SET_DESCRIPTOR       = USB_REQ_SET_DESCRIPTOR,
    LIBUSB_REQUEST_GET_CONFIGURATION    = USB_REQ_GET_CONFIGURATION,
    LIBUSB_REQUEST_SET_CONFIGURATION    = USB_REQ_SET_CONFIGURATION,
    LIBUSB_REQUEST_GET_INTERFACE        = USB_REQ_GET_INTERFACE,
    LIBUSB_REQUEST_SET_INTERFACE        = USB_REQ_SET_INTERFACE,
    LIBUSB_REQUEST_SYNCH_FRAME          = USB_REQ_SYNCH_FRAME,
};
 
 enum libusb_class_code {
    LIBUSB_CLASS_PER_INTERFACE          = 0x00,
    LIBUSB_CLASS_AUDIO                  = 0x01,
    LIBUSB_CLASS_COMM                   = 0x02,
    LIBUSB_CLASS_HID                    = 0x03,
    LIBUSB_CLASS_PHYSICAL               = 0x05,
    LIBUSB_CLASS_IMAGE                  = 0x06,
    LIBUSB_CLASS_PTP                    = 0x06,
    LIBUSB_CLASS_PRINTER                = 0x07,
    LIBUSB_CLASS_MASS_STORAGE           = 0x08,
    LIBUSB_CLASS_HUB                    = 0x09,
    LIBUSB_CLASS_DATA                   = 0x0A,
    LIBUSB_CLASS_SMART_CARD             = 0x0B,
    LIBUSB_CLASS_CONTENT_SECURITY       = 0x0D,
    LIBUSB_CLASS_VIDEO                  = 0x0E,
    LIBUSB_CLASS_PERSONAL_HEALTHCARE    = 0x0F,
    LIBUSB_CLASS_DIAGNOSTIC_DEVICE      = 0xDC,
    LIBUSB_CLASS_WIRELESS               = 0xE0,
    LIBUSB_CLASS_MISCELLANEOUS          = 0xEF,
    LIBUSB_CLASS_APPLICATION            = 0xFE,
    LIBUSB_CLASS_VENDOR_SPEC            = 0xFF,
};
 
enum libusb_descriptor_type {
    LIBUSB_DT_DEVICE                    = USB_DT_DEVICE,
    LIBUSB_DT_CONFIG                    = USB_DT_CONFIG,
    LIBUSB_DT_STRING                    = USB_DT_STRING,
    LIBUSB_DT_INTERFACE                 = USB_DT_INTERFACE,
    LIBUSB_DT_ENDPOINT                  = USB_DT_ENDPOINT,
    LIBUSB_DT_BOS                       = USB_DT_BOS,
    LIBUSB_DT_DEVICE_CAPABILITY         = USB_DT_DEVICE_CAPABILITY,
    LIBUSB_DT_SS_ENDPOINT_COMPANION     = USB_DT_SS_ENDPOINT_COMP,
};
 
enum libusb_descriptor_size {
    LIBUSB_DT_DEVICE_SIZE               = USB_DT_DEVICE_SIZE,
    LIBUSB_DT_CONFIG_SIZE               = USB_DT_CONFIG_SIZE,
    LIBUSB_DT_INTERFACE_SIZE            = USB_DT_INTERFACE_SIZE,
    LIBUSB_DT_ENDPOINT_SIZE             = USB_DT_ENDPOINT_SIZE,
    LIBUSB_DT_ENDPOINT_AUDIO_SIZE       = USB_DT_ENDPOINT_AUDIO_SIZE,
};
 
enum libusb_log_level {
    LIBUSB_LOG_LEVEL_NONE = 0,
    LIBUSB_LOG_LEVEL_ERROR = 1,
    LIBUSB_LOG_LEVEL_WARNING = 2,
    LIBUSB_LOG_LEVEL_INFO = 3,
    LIBUSB_LOG_LEVEL_DEBUG = 4
};
 
struct libusb_version {
    const uint16_t major;
    const uint16_t minor;
    const uint16_t micro;
    const uint16_t nano;
    const char *rc;
    const char *describe;
};
 
struct libusb_endpoint_descriptor {
    implement(usb_endpoint_desc_t)
 
    const unsigned char *extra;
    int extra_length;
};
 
struct libusb_interface_descriptor {
    implement(usb_interface_desc_t)
 
    const struct libusb_endpoint_descriptor *endpoint;
    const unsigned char *extra;
    int extra_length;
};
 
struct libusb_interface {
    const struct libusb_interface_descriptor *altsetting;
    int num_altsetting;
};
 
struct libusb_config_descriptor {
    implement(usb_config_desc_t)
    const unsigned char *desc;
 
    struct libusb_interface *interface;
    const unsigned char *extra;
    int extra_length;
};
 
struct libusb_control_setup {
    implement(usb_ctrlrequest_t)
} LIBUSB_PACKED;
 
#define LIBUSB_CONTROL_SETUP_SIZE       (sizeof(struct libusb_control_setup))
 
typedef int libusb_hotplug_callback_handle;
 
struct libusb_context {
    int dummy;
};
typedef struct libusb_context libusb_context;
 
struct libusb_device;
typedef struct libusb_device libusb_device;
struct libusb_device_handle;
typedef struct libusb_device_handle libusb_device_handle;
 
typedef enum {
    LIBUSB_HOTPLUG_EVENT_DEVICE_ARRIVED = 1 << 1,
    LIBUSB_HOTPLUG_EVENT_DEVICE_LEFT    = 1 << 2,
} libusb_hotplug_event;
 
typedef enum {
    LIBUSB_HOTPLUG_NO_FLAGS = 0,
    LIBUSB_HOTPLUG_ENUMERATE,
} libusb_hotplug_flag;
 
typedef int (*libusb_hotplug_callback_fn)(libusb_context *ctx,
        libusb_device *device, libusb_hotplug_event event, void *user_data);
 
 
struct libusb_pollfd {
    struct pollfd;
    vsf_linux_fd_t *sfd;
};
 
enum libusb_transfer_status {
    LIBUSB_TRANSFER_COMPLETED,
    LIBUSB_TRANSFER_ERROR,
    LIBUSB_TRANSFER_CANCELLED,
    LIBUSB_TRANSFER_NO_DEVICE,
    LIBUSB_TRANSFER_TIMED_OUT,
    LIBUSB_TRANSFER_STALL,
    LIBUSB_TRANSFER_OVERFLOW,
};
 
#define LIBUSB_TRANSFER_TYPE_MASK       USB_ENDPOINT_XFERTYPE_MASK
enum libusb_transfer_type {
    LIBUSB_TRANSFER_TYPE_CONTROL        = USB_ENDPOINT_XFER_CONTROL,
    LIBUSB_TRANSFER_TYPE_ISOCHRONOUS    = USB_ENDPOINT_XFER_ISOC,
    LIBUSB_TRANSFER_TYPE_BULK           = USB_ENDPOINT_XFER_BULK,
    LIBUSB_TRANSFER_TYPE_INTERRUPT      = USB_ENDPOINT_XFER_INT,
    LIBUSB_TRANSFER_TYPE_BULK_STREAM    = USB_ENDPOINT_XFER_BULK_STREAM,
};
 
enum libusb_transfer_flags {
    LIBUSB_TRANSFER_SHORT_NOT_OK = (1U << 0),
    LIBUSB_TRANSFER_FREE_BUFFER = (1U << 1),
    LIBUSB_TRANSFER_FREE_TRANSFER = (1U << 2),
    LIBUSB_TRANSFER_ADD_ZERO_PACKET = (1U << 3),
};
 
struct libusb_iso_packet_descriptor {
    unsigned int length;
    unsigned int actual_length;
    enum libusb_transfer_status status;
};
 
struct libusb_transfer;
typedef void (*libusb_transfer_cb_fn)(struct libusb_transfer *transfer);
struct libusb_transfer {
    libusb_device_handle *dev_handle;
    uint8_t flags;
    unsigned char endpoint;
    unsigned char type;
    unsigned int timeout;
    enum libusb_transfer_status status;
    int length;
    int actual_length;
    libusb_transfer_cb_fn callback;
    void *user_data;
    unsigned char *buffer;
    int num_iso_packets;
    struct libusb_iso_packet_descriptor iso_packet_desc[0];
};
 
struct libusb_ss_endpoint_companion_descriptor {
    uint8_t  bLength;
    uint8_t  bDescriptorType;
    uint8_t  bMaxBurst;
    uint8_t  bmAttributes;
    uint16_t wBytesPerInterval;
} VSF_CAL_PACKED;
 
#define libusb_cpu_to_le16                  cpu_to_le16
#define libusb_le16_to_cpu                  le16_to_cpu
 
static inline void libusb_fill_control_transfer(
    struct libusb_transfer *transfer, libusb_device_handle *dev_handle,
    unsigned char *buffer, libusb_transfer_cb_fn callback, void *user_data,
    unsigned int timeout)
{
    // no idea why libusb_control_setup can not be used for c++ here
    struct usb_ctrlrequest_t *setup = (struct usb_ctrlrequest_t *)(void *)buffer;
    transfer->dev_handle = dev_handle;
    transfer->endpoint = 0;
    transfer->type = LIBUSB_TRANSFER_TYPE_CONTROL;
    transfer->timeout = timeout;
    transfer->buffer = buffer;
    if (setup)
        transfer->length = (int) (LIBUSB_CONTROL_SETUP_SIZE + le16_to_cpu(setup->wLength));
    transfer->user_data = user_data;
    transfer->callback = callback;
}
 
static inline void libusb_fill_control_setup(unsigned char *buffer,
    uint8_t bRequestType, uint8_t bRequest, uint16_t wValue, uint16_t wIndex,
    uint16_t wLength)
{
    struct libusb_control_setup *setup = (struct libusb_control_setup *)(void *)buffer;
    // use use_as__usb_ctrlrequest_t in header for cpp
    setup->use_as__usb_ctrlrequest_t.bRequestType = bRequestType;
    setup->use_as__usb_ctrlrequest_t.bRequest = bRequest;
    setup->use_as__usb_ctrlrequest_t.wValue = cpu_to_le16(wValue);
    setup->use_as__usb_ctrlrequest_t.wIndex = cpu_to_le16(wIndex);
    setup->use_as__usb_ctrlrequest_t.wLength = cpu_to_le16(wLength);
}
 
static inline unsigned char *libusb_control_transfer_get_data(
    struct libusb_transfer *transfer)
{
    return transfer->buffer + LIBUSB_CONTROL_SETUP_SIZE;
}
 
static inline struct libusb_control_setup * libusb_control_transfer_get_setup(
    struct libusb_transfer *transfer)
{
    return (struct libusb_control_setup *)transfer->buffer;
}
 
static inline void libusb_fill_bulk_transfer(struct libusb_transfer *transfer,
    libusb_device_handle *dev_handle, unsigned char endpoint,
    unsigned char *buffer, int length, libusb_transfer_cb_fn callback,
    void *user_data, unsigned int timeout)
{
    transfer->dev_handle = dev_handle;
    transfer->endpoint = endpoint;
    transfer->type = LIBUSB_TRANSFER_TYPE_BULK;
    transfer->timeout = timeout;
    transfer->buffer = buffer;
    transfer->length = length;
    transfer->user_data = user_data;
    transfer->callback = callback;
}
 
static inline void libusb_fill_interrupt_transfer(
    struct libusb_transfer *transfer, libusb_device_handle *dev_handle,
    unsigned char endpoint, unsigned char *buffer, int length,
    libusb_transfer_cb_fn callback, void *user_data, unsigned int timeout)
{
    transfer->dev_handle = dev_handle;
    transfer->endpoint = endpoint;
    transfer->type = LIBUSB_TRANSFER_TYPE_INTERRUPT;
    transfer->timeout = timeout;
    transfer->buffer = buffer;
    transfer->length = length;
    transfer->user_data = user_data;
    transfer->callback = callback;
}
 
static inline void libusb_fill_iso_transfer(struct libusb_transfer *transfer,
    libusb_device_handle *dev_handle, unsigned char endpoint,
    unsigned char *buffer, int length, int num_iso_packets,
    libusb_transfer_cb_fn callback, void *user_data, unsigned int timeout)
{
    transfer->dev_handle = dev_handle;
    transfer->endpoint = endpoint;
    transfer->type = LIBUSB_TRANSFER_TYPE_ISOCHRONOUS;
    transfer->timeout = timeout;
    transfer->buffer = buffer;
    transfer->length = length;
    transfer->num_iso_packets = num_iso_packets;
    transfer->user_data = user_data;
    transfer->callback = callback;
}
 
static inline unsigned char *libusb_get_iso_packet_buffer_simple(
    struct libusb_transfer *transfer, unsigned int packet)
{
    int _packet;
    if (packet > 0x80000000)
        return NULL;
    _packet = (int) packet;
 
    if (_packet >= transfer->num_iso_packets)
        return NULL;
 
    return transfer->buffer + ((int) transfer->iso_packet_desc[0].length * _packet);
}
 
static inline void libusb_set_iso_packet_lengths(
    struct libusb_transfer *transfer, unsigned int length)
{
    int i;
    for (i = 0; i < transfer->num_iso_packets; i++)
        transfer->iso_packet_desc[i].length = length;
}
 
#if VSF_LINUX_APPLET_USE_LIBUSB == ENABLED
typedef struct vsf_linux_libusb_vplt_t {
    vsf_vplt_info_t info;
 
    VSF_APPLET_VPLT_ENTRY_FUNC_DEF(libusb_strerror);
    VSF_APPLET_VPLT_ENTRY_FUNC_DEF(libusb_get_version);
    VSF_APPLET_VPLT_ENTRY_FUNC_DEF(libusb_init);
    VSF_APPLET_VPLT_ENTRY_FUNC_DEF(libusb_exit);
    VSF_APPLET_VPLT_ENTRY_FUNC_DEF(libusb_set_debug);
    VSF_APPLET_VPLT_ENTRY_FUNC_DEF(libusb_error_name);
    VSF_APPLET_VPLT_ENTRY_FUNC_DEF(libusb_get_device_list);
    VSF_APPLET_VPLT_ENTRY_FUNC_DEF(libusb_free_device_list);
    VSF_APPLET_VPLT_ENTRY_FUNC_DEF(libusb_get_device_descriptor);
    VSF_APPLET_VPLT_ENTRY_FUNC_DEF(libusb_open);
    VSF_APPLET_VPLT_ENTRY_FUNC_DEF(libusb_get_device);
    VSF_APPLET_VPLT_ENTRY_FUNC_DEF(libusb_open_device_with_vid_pid);
    VSF_APPLET_VPLT_ENTRY_FUNC_DEF(libusb_close);
    VSF_APPLET_VPLT_ENTRY_FUNC_DEF(libusb_get_device_address);
    VSF_APPLET_VPLT_ENTRY_FUNC_DEF(libusb_get_bus_number);
    VSF_APPLET_VPLT_ENTRY_FUNC_DEF(libusb_get_port_number);
    VSF_APPLET_VPLT_ENTRY_FUNC_DEF(libusb_get_parent);
    VSF_APPLET_VPLT_ENTRY_FUNC_DEF(libusb_release_interface);
    VSF_APPLET_VPLT_ENTRY_FUNC_DEF(libusb_claim_interface);
 
    VSF_APPLET_VPLT_ENTRY_FUNC_DEF(libusb_alloc_transfer);
    VSF_APPLET_VPLT_ENTRY_FUNC_DEF(libusb_free_transfer);
    VSF_APPLET_VPLT_ENTRY_FUNC_DEF(libusb_submit_transfer);
    VSF_APPLET_VPLT_ENTRY_FUNC_DEF(libusb_cancel_transfer);
    VSF_APPLET_VPLT_ENTRY_FUNC_DEF(libusb_control_transfer);
    VSF_APPLET_VPLT_ENTRY_FUNC_DEF(libusb_bulk_transfer);
    VSF_APPLET_VPLT_ENTRY_FUNC_DEF(libusb_interrupt_transfer);
 
    VSF_APPLET_VPLT_ENTRY_FUNC_DEF(libusb_hotplug_register_callback);
    VSF_APPLET_VPLT_ENTRY_FUNC_DEF(libusb_hotplug_deregister_callback);
 
    VSF_APPLET_VPLT_ENTRY_FUNC_DEF(libusb_get_string_descriptor_ascii);
    VSF_APPLET_VPLT_ENTRY_FUNC_DEF(libusb_get_config_descriptor);
    VSF_APPLET_VPLT_ENTRY_FUNC_DEF(libusb_get_config_descriptor_by_value);
    VSF_APPLET_VPLT_ENTRY_FUNC_DEF(libusb_get_active_config_descriptor);
    VSF_APPLET_VPLT_ENTRY_FUNC_DEF(libusb_free_config_descriptor);
    VSF_APPLET_VPLT_ENTRY_FUNC_DEF(libusb_get_descriptor);
    VSF_APPLET_VPLT_ENTRY_FUNC_DEF(libusb_get_string_descriptor);
    VSF_APPLET_VPLT_ENTRY_FUNC_DEF(libusb_set_interface_alt_setting);
 
    VSF_APPLET_VPLT_ENTRY_FUNC_DEF(libusb_get_ss_endpoint_companion_descriptor);
    VSF_APPLET_VPLT_ENTRY_FUNC_DEF(libusb_free_ss_endpoint_companion_descriptor);
 
    VSF_APPLET_VPLT_ENTRY_FUNC_DEF(libusb_get_next_timeout);
    VSF_APPLET_VPLT_ENTRY_FUNC_DEF(libusb_has_capability);
 
    VSF_APPLET_VPLT_ENTRY_FUNC_DEF(libusb_attach_kernel_driver);
    VSF_APPLET_VPLT_ENTRY_FUNC_DEF(libusb_detach_kernel_driver);
    VSF_APPLET_VPLT_ENTRY_FUNC_DEF(libusb_kernel_driver_active);
 
    VSF_APPLET_VPLT_ENTRY_FUNC_DEF(libusb_ref_device);
    VSF_APPLET_VPLT_ENTRY_FUNC_DEF(libusb_unref_device);
 
    VSF_APPLET_VPLT_ENTRY_FUNC_DEF(libusb_get_max_packet_size);
    VSF_APPLET_VPLT_ENTRY_FUNC_DEF(libusb_get_device_speed);
    VSF_APPLET_VPLT_ENTRY_FUNC_DEF(libusb_set_configuration);
    VSF_APPLET_VPLT_ENTRY_FUNC_DEF(libusb_get_configuration);
 
    VSF_APPLET_VPLT_ENTRY_FUNC_DEF(libusb_handle_events_timeout_completed);
    VSF_APPLET_VPLT_ENTRY_FUNC_DEF(libusb_handle_events_completed);
    VSF_APPLET_VPLT_ENTRY_FUNC_DEF(libusb_handle_events_timeout);
    VSF_APPLET_VPLT_ENTRY_FUNC_DEF(libusb_handle_events);
    VSF_APPLET_VPLT_ENTRY_FUNC_DEF(libusb_get_pollfds);
    VSF_APPLET_VPLT_ENTRY_FUNC_DEF(libusb_free_pollfds);
 
    VSF_APPLET_VPLT_ENTRY_FUNC_DEF(libusb_reset_device);
    VSF_APPLET_VPLT_ENTRY_FUNC_DEF(libusb_clear_halt);
} vsf_linux_libusb_vplt_t;
#   ifndef __VSF_APPLET__
extern __VSF_VPLT_DECORATOR__ vsf_linux_libusb_vplt_t vsf_linux_libusb_vplt;
#   endif
#endif
 
#if     defined(__VSF_APPLET__) && (defined(__VSF_APPLET_LIB__) || defined(__VSF_APPLET_LINUX_LIBUSB_LIB__))\
    &&  VSF_APPLET_CFG_ABI_PATCH != ENABLED && VSF_LINUX_APPLET_USE_LIBUSB == ENABLED
 
#ifndef VSF_LINUX_APPLET_LIBUSB_VPLT
#   if VSF_LINUX_USE_APPLET == ENABLED
#       define VSF_LINUX_APPLET_LIBUSB_VPLT                                     \
            ((vsf_linux_libusb_vplt_t *)(VSF_LINUX_APPLET_VPLT->libusb_vplt))
#   else
#       define VSF_LINUX_APPLET_LIBUSB_VPLT                                     \
            ((vsf_linux_libusb_vplt_t *)vsf_vplt((void *)0))
#   endif
#endif
 
#define VSF_LINUX_APPLET_LIBUSB_ENTRY(__NAME)                                   \
            VSF_APPLET_VPLT_ENTRY_FUNC_ENTRY(VSF_LINUX_APPLET_LIBUSB_VPLT, __NAME)
#define VSF_LINUX_APPLET_LIBUSB_IMP(...)                                        \
            VSF_APPLET_VPLT_ENTRY_FUNC_IMP(VSF_LINUX_APPLET_LIBUSB_VPLT, __VA_ARGS__)
 
VSF_LINUX_APPLET_LIBUSB_IMP(libusb_strerror, const char *, int code) {
    VSF_APPLET_VPLT_ENTRY_FUNC_TRACE();
    return VSF_LINUX_APPLET_LIBUSB_ENTRY(libusb_strerror)(code);
}
VSF_LINUX_APPLET_LIBUSB_IMP(libusb_get_version, const struct libusb_version *, void) {
    VSF_APPLET_VPLT_ENTRY_FUNC_TRACE();
    return VSF_LINUX_APPLET_LIBUSB_ENTRY(libusb_get_version)();
}
VSF_LINUX_APPLET_LIBUSB_IMP(libusb_init, int, libusb_context **ctx) {
    VSF_APPLET_VPLT_ENTRY_FUNC_TRACE();
    return VSF_LINUX_APPLET_LIBUSB_ENTRY(libusb_init)(ctx);
}
VSF_LINUX_APPLET_LIBUSB_IMP(libusb_exit, void, libusb_context *ctx) {
    VSF_APPLET_VPLT_ENTRY_FUNC_TRACE();
    VSF_LINUX_APPLET_LIBUSB_ENTRY(libusb_exit)(ctx);
}
VSF_LINUX_APPLET_LIBUSB_IMP(libusb_set_debug, void, libusb_context *ctx, int level) {
    VSF_APPLET_VPLT_ENTRY_FUNC_TRACE();
    VSF_LINUX_APPLET_LIBUSB_ENTRY(libusb_set_debug)(ctx, level);
}
VSF_LINUX_APPLET_LIBUSB_IMP(libusb_error_name, const char *, int errcode) {
    VSF_APPLET_VPLT_ENTRY_FUNC_TRACE();
    return VSF_LINUX_APPLET_LIBUSB_ENTRY(libusb_error_name)(errcode);
}
VSF_LINUX_APPLET_LIBUSB_IMP(libusb_get_device_list, ssize_t, libusb_context *ctx, libusb_device ***list) {
    VSF_APPLET_VPLT_ENTRY_FUNC_TRACE();
    return VSF_LINUX_APPLET_LIBUSB_ENTRY(libusb_get_device_list)(ctx, list);
}
VSF_LINUX_APPLET_LIBUSB_IMP(libusb_free_device_list, void, libusb_device **list, int unref_devices) {
    VSF_APPLET_VPLT_ENTRY_FUNC_TRACE();
    VSF_LINUX_APPLET_LIBUSB_ENTRY(libusb_free_device_list)(list, unref_devices);
}
VSF_LINUX_APPLET_LIBUSB_IMP(libusb_get_device_descriptor, int, libusb_device *dev, struct libusb_device_descriptor *desc) {
    VSF_APPLET_VPLT_ENTRY_FUNC_TRACE();
    return VSF_LINUX_APPLET_LIBUSB_ENTRY(libusb_get_device_descriptor)(dev, desc);
}
VSF_LINUX_APPLET_LIBUSB_IMP(libusb_open, int, libusb_device *dev, libusb_device_handle **dev_handle) {
    VSF_APPLET_VPLT_ENTRY_FUNC_TRACE();
    return VSF_LINUX_APPLET_LIBUSB_ENTRY(libusb_open)(dev, dev_handle);
}
VSF_LINUX_APPLET_LIBUSB_IMP(libusb_get_device, libusb_device *, libusb_device_handle *dev_handle) {
    VSF_APPLET_VPLT_ENTRY_FUNC_TRACE();
    return VSF_LINUX_APPLET_LIBUSB_ENTRY(libusb_get_device)(dev_handle);
}
VSF_LINUX_APPLET_LIBUSB_IMP(libusb_open_device_with_vid_pid, libusb_device_handle *, libusb_context *ctx, uint16_t vendor_id, uint16_t product_id) {
    VSF_APPLET_VPLT_ENTRY_FUNC_TRACE();
    return VSF_LINUX_APPLET_LIBUSB_ENTRY(libusb_open_device_with_vid_pid)(ctx, vendor_id, product_id);
}
VSF_LINUX_APPLET_LIBUSB_IMP(libusb_close, void, libusb_device_handle *dev_handle) {
    VSF_APPLET_VPLT_ENTRY_FUNC_TRACE();
    VSF_LINUX_APPLET_LIBUSB_ENTRY(libusb_close)(dev_handle);
}
VSF_LINUX_APPLET_LIBUSB_IMP(libusb_get_device_address, uint8_t, libusb_device *dev) {
    VSF_APPLET_VPLT_ENTRY_FUNC_TRACE();
    return VSF_LINUX_APPLET_LIBUSB_ENTRY(libusb_get_device_address)(dev);
}
VSF_LINUX_APPLET_LIBUSB_IMP(libusb_get_bus_number, uint8_t, libusb_device *dev) {
    VSF_APPLET_VPLT_ENTRY_FUNC_TRACE();
    return VSF_LINUX_APPLET_LIBUSB_ENTRY(libusb_get_bus_number)(dev);
}
VSF_LINUX_APPLET_LIBUSB_IMP(libusb_get_port_number, uint8_t, libusb_device *dev) {
    VSF_APPLET_VPLT_ENTRY_FUNC_TRACE();
    return VSF_LINUX_APPLET_LIBUSB_ENTRY(libusb_get_port_number)(dev);
}
VSF_LINUX_APPLET_LIBUSB_IMP(libusb_get_parent, libusb_device *, libusb_device *dev) {
    VSF_APPLET_VPLT_ENTRY_FUNC_TRACE();
    return VSF_LINUX_APPLET_LIBUSB_ENTRY(libusb_get_parent)(dev);
}
VSF_LINUX_APPLET_LIBUSB_IMP(libusb_release_interface, int, libusb_device_handle *dev_handle, int interface_number) {
    VSF_APPLET_VPLT_ENTRY_FUNC_TRACE();
    return VSF_LINUX_APPLET_LIBUSB_ENTRY(libusb_release_interface)(dev_handle, interface_number);
}
VSF_LINUX_APPLET_LIBUSB_IMP(libusb_claim_interface, int, libusb_device_handle *dev_handle, int interface_number) {
    VSF_APPLET_VPLT_ENTRY_FUNC_TRACE();
    return VSF_LINUX_APPLET_LIBUSB_ENTRY(libusb_claim_interface)(dev_handle, interface_number);
}
VSF_LINUX_APPLET_LIBUSB_IMP(libusb_alloc_transfer, struct libusb_transfer *, int iso_packets) {
    VSF_APPLET_VPLT_ENTRY_FUNC_TRACE();
    return VSF_LINUX_APPLET_LIBUSB_ENTRY(libusb_alloc_transfer)(iso_packets);
}
VSF_LINUX_APPLET_LIBUSB_IMP(libusb_free_transfer, void, struct libusb_transfer *transfer) {
    VSF_APPLET_VPLT_ENTRY_FUNC_TRACE();
    VSF_LINUX_APPLET_LIBUSB_ENTRY(libusb_free_transfer)(transfer);
}
VSF_LINUX_APPLET_LIBUSB_IMP(libusb_submit_transfer, int, struct libusb_transfer *transfer) {
    VSF_APPLET_VPLT_ENTRY_FUNC_TRACE();
    return VSF_LINUX_APPLET_LIBUSB_ENTRY(libusb_submit_transfer)(transfer);
}
VSF_LINUX_APPLET_LIBUSB_IMP(libusb_cancel_transfer, int, struct libusb_transfer *transfer) {
    VSF_APPLET_VPLT_ENTRY_FUNC_TRACE();
    return VSF_LINUX_APPLET_LIBUSB_ENTRY(libusb_cancel_transfer)(transfer);
}
VSF_LINUX_APPLET_LIBUSB_IMP(libusb_control_transfer, int, libusb_device_handle *dev_handle, uint8_t bRequestType, uint8_t bRequest, uint16_t wValue, uint16_t wIndex, unsigned char *data, uint16_t wLength, unsigned int timeout) {
    VSF_APPLET_VPLT_ENTRY_FUNC_TRACE();
    return VSF_LINUX_APPLET_LIBUSB_ENTRY(libusb_control_transfer)(dev_handle, bRequestType, bRequest, wValue, wIndex, data, wLength ,timeout);
}
VSF_LINUX_APPLET_LIBUSB_IMP(libusb_bulk_transfer, int, libusb_device_handle *dev_handle, unsigned char endpoint, unsigned char *data, int length, int *actual_length, unsigned int timeout) {
    VSF_APPLET_VPLT_ENTRY_FUNC_TRACE();
    return VSF_LINUX_APPLET_LIBUSB_ENTRY(libusb_bulk_transfer)(dev_handle, endpoint, data, length, actual_length, timeout);
}
VSF_LINUX_APPLET_LIBUSB_IMP(libusb_interrupt_transfer, int, libusb_device_handle *dev_handle, unsigned char endpoint, unsigned char *data, int length, int *actual_length, unsigned int timeout) {
    VSF_APPLET_VPLT_ENTRY_FUNC_TRACE();
    return VSF_LINUX_APPLET_LIBUSB_ENTRY(libusb_interrupt_transfer)(dev_handle, endpoint, data, length, actual_length, timeout);
}
VSF_LINUX_APPLET_LIBUSB_IMP(libusb_hotplug_register_callback, int, libusb_context *ctx, libusb_hotplug_event events, libusb_hotplug_flag flags, int vendor_id, int product_id, int dev_class, libusb_hotplug_callback_fn cb_fn, void *user_data, libusb_hotplug_callback_handle *callback_handle) {
    VSF_APPLET_VPLT_ENTRY_FUNC_TRACE();
    return VSF_LINUX_APPLET_LIBUSB_ENTRY(libusb_hotplug_register_callback)(ctx, events, flags, vendor_id, product_id, dev_class, cb_fn, user_data, callback_handle);
}
VSF_LINUX_APPLET_LIBUSB_IMP(libusb_hotplug_deregister_callback, void, libusb_context *ctx, libusb_hotplug_callback_handle callback_handle) {
    VSF_APPLET_VPLT_ENTRY_FUNC_TRACE();
    VSF_LINUX_APPLET_LIBUSB_ENTRY(libusb_hotplug_deregister_callback)(ctx, callback_handle);
}
VSF_LINUX_APPLET_LIBUSB_IMP(libusb_get_string_descriptor_ascii, int, libusb_device_handle *dev_handle, uint8_t desc_index, unsigned char *data, int length) {
    VSF_APPLET_VPLT_ENTRY_FUNC_TRACE();
    return VSF_LINUX_APPLET_LIBUSB_ENTRY(libusb_get_string_descriptor_ascii)(dev_handle, desc_index, data, length);
}
VSF_LINUX_APPLET_LIBUSB_IMP(libusb_get_config_descriptor, int, libusb_device *dev, uint8_t config_index, struct libusb_config_descriptor **config) {
    VSF_APPLET_VPLT_ENTRY_FUNC_TRACE();
    return VSF_LINUX_APPLET_LIBUSB_ENTRY(libusb_get_config_descriptor)(dev, config_index, config);
}
VSF_LINUX_APPLET_LIBUSB_IMP(libusb_get_config_descriptor_by_value, int, libusb_device *dev, uint8_t value, struct libusb_config_descriptor **config) {
    VSF_APPLET_VPLT_ENTRY_FUNC_TRACE();
    return VSF_LINUX_APPLET_LIBUSB_ENTRY(libusb_get_config_descriptor_by_value)(dev, value, config);
}
VSF_LINUX_APPLET_LIBUSB_IMP(libusb_get_active_config_descriptor, int, libusb_device *dev, struct libusb_config_descriptor **config) {
    VSF_APPLET_VPLT_ENTRY_FUNC_TRACE();
    return VSF_LINUX_APPLET_LIBUSB_ENTRY(libusb_get_active_config_descriptor)(dev, config);
}
VSF_LINUX_APPLET_LIBUSB_IMP(libusb_free_config_descriptor, void, struct libusb_config_descriptor *config) {
    VSF_APPLET_VPLT_ENTRY_FUNC_TRACE();
    VSF_LINUX_APPLET_LIBUSB_ENTRY(libusb_free_config_descriptor)(config);
}
VSF_LINUX_APPLET_LIBUSB_IMP(libusb_get_descriptor, int, libusb_device_handle *dev_handle, uint8_t desc_type, uint8_t desc_index, unsigned char *data, int length) {
    VSF_APPLET_VPLT_ENTRY_FUNC_TRACE();
    return VSF_LINUX_APPLET_LIBUSB_ENTRY(libusb_get_descriptor)(dev_handle, desc_type, desc_index, data, length);
}
VSF_LINUX_APPLET_LIBUSB_IMP(libusb_get_string_descriptor, int, libusb_device_handle *dev_handle, uint8_t desc_index, uint16_t langid, unsigned char *data, int length) {
    VSF_APPLET_VPLT_ENTRY_FUNC_TRACE();
    return VSF_LINUX_APPLET_LIBUSB_ENTRY(libusb_get_string_descriptor)(dev_handle, desc_index, langid, data, length);
}
VSF_LINUX_APPLET_LIBUSB_IMP(libusb_set_interface_alt_setting, int, libusb_device_handle *dev_handle, int interface_number, int alternate_setting) {
    VSF_APPLET_VPLT_ENTRY_FUNC_TRACE();
    return VSF_LINUX_APPLET_LIBUSB_ENTRY(libusb_set_interface_alt_setting)(dev_handle, interface_number, alternate_setting);
}
VSF_LINUX_APPLET_LIBUSB_IMP(libusb_get_ss_endpoint_companion_descriptor, int, struct libusb_context *ctx, const struct libusb_endpoint_descriptor *endpoint, struct libusb_ss_endpoint_companion_descriptor **ep_comp) {
    VSF_APPLET_VPLT_ENTRY_FUNC_TRACE();
    return VSF_LINUX_APPLET_LIBUSB_ENTRY(libusb_get_ss_endpoint_companion_descriptor)(ctx, endpoint, ep_comp);
}
VSF_LINUX_APPLET_LIBUSB_IMP(libusb_free_ss_endpoint_companion_descriptor, void, struct libusb_ss_endpoint_companion_descriptor *ep_comp) {
    VSF_APPLET_VPLT_ENTRY_FUNC_TRACE();
    VSF_LINUX_APPLET_LIBUSB_ENTRY(libusb_free_ss_endpoint_companion_descriptor)(ep_comp);
}
VSF_LINUX_APPLET_LIBUSB_IMP(libusb_get_next_timeout, int, libusb_context *ctx, struct timeval *tv) {
    VSF_APPLET_VPLT_ENTRY_FUNC_TRACE();
    return VSF_LINUX_APPLET_LIBUSB_ENTRY(libusb_get_next_timeout)(ctx, tv);
}
VSF_LINUX_APPLET_LIBUSB_IMP(libusb_has_capability, int, uint32_t capability) {
    VSF_APPLET_VPLT_ENTRY_FUNC_TRACE();
    return VSF_LINUX_APPLET_LIBUSB_ENTRY(libusb_has_capability)(capability);
}
VSF_LINUX_APPLET_LIBUSB_IMP(libusb_attach_kernel_driver, int, libusb_device_handle *dev_handle, int interface_number) {
    VSF_APPLET_VPLT_ENTRY_FUNC_TRACE();
    return VSF_LINUX_APPLET_LIBUSB_ENTRY(libusb_attach_kernel_driver)(dev_handle, interface_number);
}
VSF_LINUX_APPLET_LIBUSB_IMP(libusb_detach_kernel_driver, int, libusb_device_handle *dev_handle, int interface_number) {
    VSF_APPLET_VPLT_ENTRY_FUNC_TRACE();
    return VSF_LINUX_APPLET_LIBUSB_ENTRY(libusb_detach_kernel_driver)(dev_handle, interface_number);
}
VSF_LINUX_APPLET_LIBUSB_IMP(libusb_kernel_driver_active, int, libusb_device_handle *dev_handle, int interface_number) {
    VSF_APPLET_VPLT_ENTRY_FUNC_TRACE();
    return VSF_LINUX_APPLET_LIBUSB_ENTRY(libusb_kernel_driver_active)(dev_handle, interface_number);
}
VSF_LINUX_APPLET_LIBUSB_IMP(libusb_ref_device, libusb_device *, libusb_device *dev) {
    VSF_APPLET_VPLT_ENTRY_FUNC_TRACE();
    return VSF_LINUX_APPLET_LIBUSB_ENTRY(libusb_ref_device)(dev);
}
VSF_LINUX_APPLET_LIBUSB_IMP(libusb_unref_device, void, libusb_device *dev) {
    VSF_APPLET_VPLT_ENTRY_FUNC_TRACE();
    VSF_LINUX_APPLET_LIBUSB_ENTRY(libusb_unref_device)(dev);
}
VSF_LINUX_APPLET_LIBUSB_IMP(libusb_get_max_packet_size, int, libusb_device *dev, unsigned char endpoint) {
    VSF_APPLET_VPLT_ENTRY_FUNC_TRACE();
    return VSF_LINUX_APPLET_LIBUSB_ENTRY(libusb_get_max_packet_size)(dev, endpoint);
}
VSF_LINUX_APPLET_LIBUSB_IMP(libusb_get_device_speed, int, libusb_device *dev) {
    VSF_APPLET_VPLT_ENTRY_FUNC_TRACE();
    return VSF_LINUX_APPLET_LIBUSB_ENTRY(libusb_get_device_speed)(dev);
}
VSF_LINUX_APPLET_LIBUSB_IMP(libusb_set_configuration, int, libusb_device_handle *dev_handle, int configuration) {
    VSF_APPLET_VPLT_ENTRY_FUNC_TRACE();
    return VSF_LINUX_APPLET_LIBUSB_ENTRY(libusb_set_configuration)(dev_handle, configuration);
}
VSF_LINUX_APPLET_LIBUSB_IMP(libusb_get_configuration, int, libusb_device_handle *dev_handle, int *config) {
    VSF_APPLET_VPLT_ENTRY_FUNC_TRACE();
    return VSF_LINUX_APPLET_LIBUSB_ENTRY(libusb_get_configuration)(dev_handle, config);
}
VSF_LINUX_APPLET_LIBUSB_IMP(libusb_handle_events_timeout_completed, int, libusb_context *ctx, struct timeval *tv, int *completed) {
    VSF_APPLET_VPLT_ENTRY_FUNC_TRACE();
    return VSF_LINUX_APPLET_LIBUSB_ENTRY(libusb_handle_events_timeout_completed)(ctx, tv, completed);
}
VSF_LINUX_APPLET_LIBUSB_IMP(libusb_handle_events_completed, int, libusb_context *ctx, int *completed) {
    VSF_APPLET_VPLT_ENTRY_FUNC_TRACE();
    return VSF_LINUX_APPLET_LIBUSB_ENTRY(libusb_handle_events_completed)(ctx, completed);
}
VSF_LINUX_APPLET_LIBUSB_IMP(libusb_handle_events_timeout, int, libusb_context *ctx, struct timeval *tv) {
    VSF_APPLET_VPLT_ENTRY_FUNC_TRACE();
    return VSF_LINUX_APPLET_LIBUSB_ENTRY(libusb_handle_events_timeout)(ctx, tv);
}
VSF_LINUX_APPLET_LIBUSB_IMP(libusb_handle_events, int, libusb_context *ctx) {
    VSF_APPLET_VPLT_ENTRY_FUNC_TRACE();
    return VSF_LINUX_APPLET_LIBUSB_ENTRY(libusb_handle_events)(ctx);
}
VSF_LINUX_APPLET_LIBUSB_IMP(libusb_get_pollfds, const struct libusb_pollfd**, libusb_context *ctx) {
    VSF_APPLET_VPLT_ENTRY_FUNC_TRACE();
    return VSF_LINUX_APPLET_LIBUSB_ENTRY(libusb_get_pollfds)(ctx);
}
VSF_LINUX_APPLET_LIBUSB_IMP(libusb_free_pollfds, void, const struct libusb_pollfd **pollfds) {
    VSF_APPLET_VPLT_ENTRY_FUNC_TRACE();
    VSF_LINUX_APPLET_LIBUSB_ENTRY(libusb_free_pollfds)(pollfds);
}
VSF_LINUX_APPLET_LIBUSB_IMP(libusb_reset_device, int, libusb_device_handle *dev_handle) {
    VSF_APPLET_VPLT_ENTRY_FUNC_TRACE();
    return VSF_LINUX_APPLET_LIBUSB_ENTRY(libusb_reset_device)(dev_handle);
}
VSF_LINUX_APPLET_LIBUSB_IMP(libusb_clear_halt, int, libusb_device_handle *dev_handle, unsigned char endpoint) {
    VSF_APPLET_VPLT_ENTRY_FUNC_TRACE();
    return VSF_LINUX_APPLET_LIBUSB_ENTRY(libusb_clear_halt)(dev_handle, endpoint);
}
 
#else       // __VSF_APPLET__ && VSF_LINUX_APPLET_USE_LIBUSB
 
const char * libusb_strerror(int code);
const struct libusb_version * libusb_get_version(void);
int libusb_init(libusb_context **ctx);
void libusb_exit(libusb_context *ctx);
void libusb_set_debug(libusb_context *ctx, int level);
const char * libusb_error_name(int errcode);
ssize_t libusb_get_device_list(libusb_context *ctx, libusb_device ***list);
void libusb_free_device_list(libusb_device **list, int unref_devices);
int libusb_get_device_descriptor(libusb_device *dev, struct libusb_device_descriptor *desc);
int libusb_open(libusb_device *dev, libusb_device_handle **dev_handle);
libusb_device * libusb_get_device(libusb_device_handle *dev_handle);
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 *dev_handle);
uint8_t libusb_get_device_address(libusb_device *dev);
uint8_t libusb_get_bus_number(libusb_device *dev);
uint8_t libusb_get_port_number(libusb_device *dev);
libusb_device * libusb_get_parent(libusb_device *dev);
int libusb_release_interface(libusb_device_handle *dev_handle, int interface_number);
int libusb_claim_interface(libusb_device_handle *dev_handle, int interface_number);
 
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);
int libusb_control_transfer(libusb_device_handle *dev_handle,
        uint8_t bRequestType, uint8_t bRequest, uint16_t wValue, uint16_t wIndex,
        unsigned char *data, uint16_t wLength, unsigned int timeout);
int libusb_bulk_transfer(libusb_device_handle *dev_handle,
        unsigned char endpoint, unsigned char *data, int length,
        int *actual_length, unsigned int timeout);
int libusb_interrupt_transfer(libusb_device_handle *dev_handle,
        unsigned char endpoint, unsigned char *data, int length,
        int *actual_length, unsigned int timeout);
 
int libusb_hotplug_register_callback(libusb_context *ctx,
        libusb_hotplug_event events,
        libusb_hotplug_flag flags,
        int vendor_id,
        int product_id,
        int dev_class,
        libusb_hotplug_callback_fn cb_fn,
        void *user_data,
        libusb_hotplug_callback_handle *callback_handle);
void libusb_hotplug_deregister_callback(libusb_context *ctx,
        libusb_hotplug_callback_handle callback_handle);
 
int libusb_get_string_descriptor_ascii(libusb_device_handle *dev_handle,
        uint8_t desc_index, unsigned char *data, int length);
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 value,
        struct libusb_config_descriptor **config);
int libusb_get_active_config_descriptor(libusb_device *dev,
        struct libusb_config_descriptor **config);
void libusb_free_config_descriptor(struct libusb_config_descriptor *config);
int libusb_get_descriptor(libusb_device_handle *dev_handle,
        uint8_t desc_type, uint8_t desc_index, unsigned char *data, int length);
int libusb_get_string_descriptor(libusb_device_handle *dev_handle,
        uint8_t desc_index, uint16_t langid, unsigned char *data, int length);
int libusb_set_interface_alt_setting(libusb_device_handle *dev_handle,
        int interface_number, int alternate_setting);
 
int libusb_get_ss_endpoint_companion_descriptor(
        struct libusb_context *ctx,
        const struct libusb_endpoint_descriptor *endpoint,
        struct libusb_ss_endpoint_companion_descriptor **ep_comp);
void libusb_free_ss_endpoint_companion_descriptor(
        struct libusb_ss_endpoint_companion_descriptor *ep_comp);
 
int libusb_get_next_timeout(libusb_context *ctx, struct timeval *tv);
int libusb_has_capability(uint32_t capability);
 
int libusb_attach_kernel_driver(libusb_device_handle *dev_handle, int interface_number);
int libusb_detach_kernel_driver(libusb_device_handle *dev_handle, int interface_number);
int libusb_kernel_driver_active(libusb_device_handle *dev_handle, int interface_number);
 
libusb_device * libusb_ref_device(libusb_device *dev);
void libusb_unref_device(libusb_device *dev);
 
int libusb_get_max_packet_size(libusb_device *dev, unsigned char endpoint);
int libusb_get_device_speed(libusb_device *dev);
 
int libusb_set_configuration(libusb_device_handle *dev_handle, int configuration);
int libusb_get_configuration(libusb_device_handle *dev_handle, int *config);
 
int libusb_handle_events_timeout_completed(libusb_context *ctx,
        struct timeval *tv, int *completed);
int libusb_handle_events_completed(libusb_context *ctx, int *completed);
int libusb_handle_events_timeout(libusb_context *ctx, struct timeval *tv);
int libusb_handle_events(libusb_context *ctx);
const struct libusb_pollfd** libusb_get_pollfds(libusb_context *ctx);
void libusb_free_pollfds(const struct libusb_pollfd **pollfds);
 
void vsf_linux_libusb_startup(void);
 
int libusb_reset_device(libusb_device_handle *dev_handle);
int libusb_clear_halt(libusb_device_handle *dev_handle, unsigned char endpoint);
 
#endif      // __VSF_APPLET__ && VSF_LINUX_APPLET_USE_LIBUSB
 
// libusb 0.1 compatibility
#if VSF_LINUX_LIBUSB_CFG_01_COMPATIBLE == ENABLED
#define usb_dev_handle                  libusb_device_handle
#define USB_ENDPOINT_IN                 LIBUSB_ENDPOINT_IN
#define USB_ENDPOINT_OUT                LIBUSB_ENDPOINT_OUT
 
#define usb_init()                      libusb_init(NULL)
#define usb_set_debug(__level)          libusb_set_debug(NULL, (__level))
#define usb_device(__handle)            (struct usb_device *)(__handle)
#define usb_get_string                  libusb_get_string_descriptor
#define usb_get_string_simple           libusb_get_string_descriptor_ascii
#define usb_control_msg                 libusb_control_transfer
#define usb_set_configuration           libusb_set_configuration
#define usb_claim_interface             libusb_claim_interface
#define usb_release_interface           libusb_release_interface
#define usb_get_descriptor              libusb_get_descriptor
#define usb_find_busses()               1
#define usb_strerror()                  "usb_strerror not_supported!!!"
 
// TODO: implement later
//#define usb_get_descriptor_by_endpoint
//#define usb_set_altinterface
//#define usb_resetep
//#define usb_clear_halt
//#define usb_reset
 
struct usb_device;
struct usb_bus {
    struct usb_bus                      *next, *prev;
    struct usb_device                   *devices;
    struct usb_device                   *root_dev;
};
struct usb_device {
    struct usb_device                   *next, *prev;
    struct libusb_device_descriptor     descriptor;
    struct libusb_config_descriptor     *config;
 
    // actually libusb_device
    void                                *dev;
    uint8_t                             devnum;
    uint8_t                             num_children;
    struct usb_device                   **children;
 
    // private
    struct libusb_config_descriptor     __config;
};
 
int usb_find_devices(void);
struct usb_bus *usb_get_busses(void);
 
int usb_get_driver_np(usb_dev_handle *dev, int interface, char *name, unsigned int namelen);
int usb_detach_kernel_driver_np(usb_dev_handle *dev, int interface);
 
usb_dev_handle *usb_open(struct usb_device *dev);
int usb_close(usb_dev_handle *dev);
 
int usb_bulk_write(usb_dev_handle *dev, int ep, char *bytes, int size, int timeout);
int usb_bulk_read(usb_dev_handle *dev, int ep, char *bytes, int size, int timeout);
 
int usb_interrupt_write(usb_dev_handle *dev, int ep, char *bytes, int size, int timeout);
int usb_interrupt_read(usb_dev_handle *dev, int ep, char *bytes, int size, int timeout);
#endif      // VSF_LINUX_LIBUSB_CFG_01_COMPATIBLE
 
#ifdef __cplusplus
}
#endif
 
#endif