26 #define inline __inline
28 #ifndef _SSIZE_T_DEFINED
29 #define _SSIZE_T_DEFINED
32 typedef __int64 ssize_t;
40 #if defined(_MSC_VER) && (_MSC_VER < 1600) && (!defined(_STDINT)) && (!defined(_STDINT_H))
41 typedef unsigned __int8 uint8_t;
42 typedef unsigned __int16 uint16_t;
43 typedef unsigned __int32 uint32_t;
48 #include <sys/types.h>
52 #if defined(__linux) || defined(__APPLE__) || defined(__CYGWIN__)
61 #if defined(_WIN32) || defined(__CYGWIN__)
63 #if defined(interface)
100 #if defined(_WIN32) || defined(__CYGWIN__)
101 #define LIBUSB_CALL WINAPI
118 static inline uint16_t libusb_cpu_to_le16(
const uint16_t x)
125 _tmp.b8[0] = x & 0xff;
137 #define libusb_le16_to_cpu libusb_cpu_to_le16
167 LIBUSB_CLASS_IMAGE = 6,
235 #define LIBUSB_DT_DEVICE_SIZE 18
236 #define LIBUSB_DT_CONFIG_SIZE 9
237 #define LIBUSB_DT_INTERFACE_SIZE 9
238 #define LIBUSB_DT_ENDPOINT_SIZE 7
239 #define LIBUSB_DT_ENDPOINT_AUDIO_SIZE 9
240 #define LIBUSB_DT_HUB_NONVAR_SIZE 7
242 #define LIBUSB_ENDPOINT_ADDRESS_MASK 0x0f
243 #define LIBUSB_ENDPOINT_DIR_MASK 0x80
257 #define LIBUSB_TRANSFER_TYPE_MASK 0x03
354 #define LIBUSB_ISO_SYNC_TYPE_MASK 0x0C
375 #define LIBUSB_ISO_USAGE_TYPE_MASK 0x30
633 #define LIBUSB_CONTROL_SETUP_SIZE (sizeof(struct libusb_control_setup))
934 #if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)
982 unsigned char endpoint);
984 unsigned char endpoint);
993 int interface_number);
995 int interface_number);
1001 int interface_number,
int alternate_setting);
1003 unsigned char endpoint);
1007 int interface_number);
1009 int interface_number);
1011 int interface_number);
1030 return transfer->
buffer + LIBUSB_CONTROL_SETUP_SIZE;
1080 setup->
wValue = libusb_cpu_to_le16(wValue);
1081 setup->
wIndex = libusb_cpu_to_le16(wIndex);
1082 setup->
wLength = libusb_cpu_to_le16(wLength);
1127 transfer->
buffer = buffer;
1129 transfer->
length = LIBUSB_CONTROL_SETUP_SIZE
1151 void *user_data,
unsigned int timeout)
1157 transfer->
buffer = buffer;
1158 transfer->
length = length;
1178 unsigned char endpoint,
unsigned char *buffer,
int length,
1185 transfer->
buffer = buffer;
1186 transfer->
length = length;
1207 unsigned char *buffer,
int length,
int num_iso_packets,
1214 transfer->
buffer = buffer;
1215 transfer->
length = length;
1263 if (packet > INT_MAX)
1270 for (i = 0; i < _packet; i++)
1273 return transfer->
buffer + offset;
1303 if (packet > INT_MAX)
1317 unsigned char *data, uint16_t
wLength,
unsigned int timeout);
1320 unsigned char endpoint,
unsigned char *data,
int length,
1321 int *actual_length,
unsigned int timeout);
1324 unsigned char endpoint,
unsigned char *data,
int length,
1325 int *actual_length,
unsigned int timeout);
1340 uint8_t desc_type, uint8_t desc_index,
unsigned char *data,
int length)
1344 (uint16_t) length, 1000);
1362 uint8_t desc_index, uint16_t langid,
unsigned char *data,
int length)
1366 langid, data, (uint16_t) length, 1000);
1370 uint8_t desc_index,
unsigned char *data,
int length);
1384 struct timeval *tv);
1386 struct timeval *tv,
int *completed);
1390 struct timeval *tv);
1393 struct timeval *tv);
int libusb_get_config_descriptor(libusb_device *dev, uint8_t config_index, struct libusb_config_descriptor **config)
Get a USB configuration descriptor based on its index.
Definition: descriptor.c:536
const char * describe
For ABI compatibility only.
Definition: libusb.h:661
The device is operating at full speed (12MBit/s).
Definition: libusb.h:722
int libusb_has_capability(uint32_t capability)
Check at runtime if the loaded library has a given capability.
Definition: core.c:1662
int libusb_get_configuration(libusb_device_handle *dev, int *config)
Determine the bConfigurationValue of the currently active configuration.
Definition: core.c:1168
uint8_t bInterfaceNumber
Number of this interface.
Definition: libusb.h:512
uint8_t bSynchAddress
For audio devices only: the address if the synch endpoint.
Definition: libusb.h:487
libusb_request_type
Request type bits of the bmRequestType field in control transfers.
Definition: libusb.h:322
Return the selected alternate setting for the specified interface.
Definition: libusb.h:309
Smart Card.
Definition: libusb.h:179
void libusb_free_config_descriptor(struct libusb_config_descriptor *config)
Free a configuration descriptor obtained from libusb_get_active_config_descriptor() or libusb_get_con...
Definition: descriptor.c:656
int libusb_open(libusb_device *dev, libusb_device_handle **handle)
Open a device and obtain a device handle.
Definition: core.c:912
uint8_t bmAttributes
Attributes which apply to the endpoint when it is configured using the bConfigurationValue.
Definition: libusb.h:474
libusb_iso_sync_type
Synchronization type for isochronous endpoints.
Definition: libusb.h:361
A collection of alternate settings for a particular USB interface.
Definition: libusb.h:550
int libusb_set_interface_alt_setting(libusb_device_handle *dev, int interface_number, int alternate_setting)
Activate an alternate setting for an interface.
Definition: core.c:1350
void libusb_free_transfer(struct libusb_transfer *transfer)
Free a transfer structure.
Definition: io.c:1262
Automatically call libusb_free_transfer() after callback returns.
Definition: libusb.h:824
enum libusb_transfer_status status
Status code for this packet.
Definition: libusb.h:862
uint8_t bNumConfigurations
Number of possible configurations.
Definition: libusb.h:444
Data endpoint.
Definition: libusb.h:384
int libusb_event_handling_ok(libusb_context *ctx)
Determine if it is still OK for this thread to be doing event handling.
Definition: io.c:1627
uint8_t bRequest
Request.
Definition: libusb.h:620
int libusb_get_max_iso_packet_size(libusb_device *dev, unsigned char endpoint)
Calculate the maximum packet size which a specific endpoint is capable is sending or receiving in the...
Definition: core.c:773
static 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)
Helper function to populate the required libusb_transfer fields for a control transfer.
Definition: libusb.h:1117
int libusb_wait_for_event(libusb_context *ctx, struct timeval *tv)
Wait for another thread to signal completion of an event.
Definition: io.c:1734
void libusb_exit(libusb_context *ctx)
Deinitialize libusb.
Definition: core.c:1623
Endpoint.
Definition: libusb.h:348
const uint16_t nano
Library nano version.
Definition: libusb.h:655
libusb_request_recipient
Recipient bits of the bmRequestType field in control transfers.
Definition: libusb.h:340
Data class.
Definition: libusb.h:176
struct libusb_context libusb_context
Structure representing a libusbx session.
Definition: libusb.h:681
uint8_t bDeviceSubClass
USB-IF subclass code for the device, qualified by the bDeviceClass value.
Definition: libusb.h:416
A structure representing the standard USB configuration descriptor.
Definition: libusb.h:564
uint8_t bInterval
Interval for polling endpoint for data transfers.
Definition: libusb.h:480
uint8_t bLength
Size of this descriptor (in bytes)
Definition: libusb.h:400
#define LIBUSB_CALL
libusbx's Windows calling convention.
Definition: libusb.h:103
Set device configuration.
Definition: libusb.h:306
String descriptor.
Definition: libusb.h:213
enum libusb_transfer_status status
The status of the transfer.
Definition: libusb.h:908
Endpoint descriptor.
Definition: libusb.h:219
uint8_t bDeviceClass
USB-IF class code for the device.
Definition: libusb.h:412
short events
Event flags to poll for from
. Definition: libusb.h:1406
int libusb_get_active_config_descriptor(libusb_device *dev, struct libusb_config_descriptor **config)
Get the USB configuration descriptor for the currently active configuration.
Definition: descriptor.c:471
int extra_length
Length of the extra descriptors, in bytes.
Definition: libusb.h:494
libusb_speed
Speed codes.
Definition: libusb.h:714
uint8_t flags
A bitwise OR combination of libusb_transfer_flags.
Definition: libusb.h:889
Operation not supported or unimplemented on this platform.
Definition: libusb.h:775
Success (no error)
Definition: libusb.h:739
int libusb_init(libusb_context **ctx)
Initialize libusb.
Definition: core.c:1550
Class is vendor-specific.
Definition: libusb.h:200
void libusb_set_debug(libusb_context *ctx, int level)
Set message verbosity.
Definition: core.c:1530
uint8_t bDescriptorType
Descriptor type.
Definition: libusb.h:459
uint8_t libusb_get_device_address(libusb_device *dev)
Get the address of the device on the bus it is connected to.
Definition: core.c:667
uint8_t iSerialNumber
Index of string descriptor containing device serial number.
Definition: libusb.h:441
int libusb_handle_events_completed(libusb_context *ctx, int *completed)
Handle any pending events in blocking mode.
Definition: io.c:2121
static int libusb_get_string_descriptor(libusb_device_handle *dev, uint8_t desc_index, uint16_t langid, unsigned char *data, int length)
Retrieve a descriptor from a device.
Definition: libusb.h:1361
void libusb_free_device_list(libusb_device **list, int unref_devices)
Frees a list of devices previously discovered using libusb_get_device_list().
Definition: core.c:636
Interrupt endpoint.
Definition: libusb.h:274
Insufficient memory.
Definition: libusb.h:772
void libusb_unref_device(libusb_device *dev)
Decrement the reference count of a device.
Definition: core.c:823
const struct libusb_version * libusb_get_version(void)
Returns a pointer to const struct libusb_version with the version (major, minor, micro, nano and rc) of the running library.
Definition: core.c:1839
uint8_t bLength
Size of this descriptor (in bytes)
Definition: libusb.h:504
struct libusb_device_handle libusb_device_handle
Structure representing a handle on a USB device.
Definition: libusb.h:709
Vendor.
Definition: libusb.h:330
File descriptor for polling.
Definition: libusb.h:1398
#define libusb_le16_to_cpu
Convert a 16-bit value from little-endian to host-endian format.
Definition: libusb.h:137
uint8_t bNumInterfaces
Number of interfaces supported by this configuration.
Definition: libusb.h:577
void libusb_lock_event_waiters(libusb_context *ctx)
Acquire the event waiters lock.
Definition: io.c:1692
int libusb_interrupt_transfer(libusb_device_handle *dev_handle, unsigned char endpoint, unsigned char *data, int length, int *actual_length, unsigned int timeout)
Perform a USB interrupt transfer.
Definition: sync.c:315
uint16_t bcdDevice
Device release number in binary-coded decimal.
Definition: libusb.h:432
libusb_descriptor_type
Descriptor types as defined by the USB specification.
Definition: libusb.h:205
unsigned char * buffer
Data buffer.
Definition: libusb.h:926
Hub descriptor.
Definition: libusb.h:231
No such device (it may have been disconnected)
Definition: libusb.h:751
uint8_t bDeviceProtocol
USB-IF protocol code for the device, qualified by the bDeviceClass and bDeviceSubClass values...
Definition: libusb.h:420
Entity not found.
Definition: libusb.h:754
static unsigned char * libusb_control_transfer_get_data(struct libusb_transfer *transfer)
Get the data section of a control transfer.
Definition: libusb.h:1027
uint16_t wMaxPacketSize
Maximum packet size this endpoint is capable of sending/receiving.
Definition: libusb.h:477
const unsigned char * extra
Extra descriptors.
Definition: libusb.h:491
int libusb_get_next_timeout(libusb_context *ctx, struct timeval *tv)
Determine the next internal timeout that libusbx needs to handle.
Definition: io.c:2230
Transfer was cancelled.
Definition: libusb.h:798
Report short frames as errors.
Definition: libusb.h:815
int fd
Numeric file descriptor.
Definition: libusb.h:1400
uint8_t iManufacturer
Index of string descriptor describing manufacturer.
Definition: libusb.h:435
uint8_t iInterface
Index of string descriptor describing this interface.
Definition: libusb.h:533
Set or enable a specific feature.
Definition: libusb.h:289
The generic USB transfer structure.
Definition: libusb.h:884
Class.
Definition: libusb.h:327
static unsigned char * libusb_get_iso_packet_buffer_simple(struct libusb_transfer *transfer, unsigned int packet)
Convenience function to locate the position of an isochronous packet within the buffer of an isochron...
Definition: libusb.h:1295
int libusb_event_handler_active(libusb_context *ctx)
Determine if an active thread is handling events (i.e.
Definition: io.c:1655
Control endpoint.
Definition: libusb.h:265
Human Interface Device class.
Definition: libusb.h:157
int libusb_detach_kernel_driver(libusb_device_handle *dev, int interface_number)
Detach a kernel driver from an interface.
Definition: core.c:1461
int libusb_handle_events(libusb_context *ctx)
Handle any pending events in blocking mode.
Definition: io.c:2099
Input/output error.
Definition: libusb.h:742
ssize_t libusb_get_device_list(libusb_context *ctx, libusb_device ***list)
Returns a list of USB devices currently attached to the system.
Definition: core.c:590
int libusb_handle_events_timeout(libusb_context *ctx, struct timeval *tv)
Handle any pending events.
Definition: io.c:2079
unsigned int timeout
Timeout for this transfer in millseconds.
Definition: libusb.h:899
int libusb_submit_transfer(struct libusb_transfer *transfer)
Submit a transfer.
Definition: io.c:1288
Bulk endpoint.
Definition: libusb.h:271
Implicit feedback Data endpoint.
Definition: libusb.h:390
Configuration descriptor.
Definition: libusb.h:210
libusb_capability
Capabilities supported by this instance of libusb.
Definition: libusb.h:947
Synchronous.
Definition: libusb.h:372
libusb_transfer_cb_fn callback
Callback function.
Definition: libusb.h:920
Device.
Definition: libusb.h:342
int libusb_attach_kernel_driver(libusb_device_handle *dev, int interface_number)
Re-attach an interface's kernel driver, which was previously detached using libusb_detach_kernel_driv...
Definition: core.c:1491
A structure representing the standard USB interface descriptor.
Definition: libusb.h:502
const uint16_t minor
Library minor version.
Definition: libusb.h:649
const unsigned char * extra
Extra descriptors.
Definition: libusb.h:599
int libusb_control_transfer(libusb_device_handle *dev_handle, uint8_t request_type, uint8_t bRequest, uint16_t wValue, uint16_t wIndex, unsigned char *data, uint16_t wLength, unsigned int timeout)
Perform a USB control transfer.
Definition: sync.c:72
A structure representing the standard USB device descriptor.
Definition: libusb.h:398
static int libusb_get_descriptor(libusb_device_handle *dev, uint8_t desc_type, uint8_t desc_index, unsigned char *data, int length)
Retrieve a descriptor from the default control pipe.
Definition: libusb.h:1339
In the context of a device descriptor, this bDeviceClass value indicates that each interface specifie...
Definition: libusb.h:148
uint8_t bmRequestType
Request type.
Definition: libusb.h:613
Audio class.
Definition: libusb.h:151
uint8_t bLength
Size of this descriptor (in bytes)
Definition: libusb.h:454
uint8_t bEndpointAddress
The address of the endpoint described by this descriptor.
Definition: libusb.h:465
Standard.
Definition: libusb.h:324
const struct libusb_interface * interface
Array of interfaces supported by this configuration.
Definition: libusb.h:595
Resource busy.
Definition: libusb.h:757
libusb_endpoint_direction
Endpoint direction.
Definition: libusb.h:249
uint8_t bDescriptorType
Descriptor type.
Definition: libusb.h:509
void(* libusb_transfer_cb_fn)(struct libusb_transfer *transfer)
Asynchronous transfer callback function type.
Definition: libusb.h:876
int extra_length
Length of the extra descriptors, in bytes.
Definition: libusb.h:544
const struct libusb_interface_descriptor * altsetting
Array of interface descriptors.
Definition: libusb.h:553
The device is operating at super speed (5000MBit/s).
Definition: libusb.h:728
Personal Healthcare.
Definition: libusb.h:188
HID report descriptor.
Definition: libusb.h:225
const uint16_t major
Library major version.
Definition: libusb.h:646
Application class.
Definition: libusb.h:197
int libusb_set_configuration(libusb_device_handle *dev, int configuration)
Set the active configuration for a device.
Definition: core.c:1237
static 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)
Helper function to populate the required libusb_transfer fields for an interrupt transfer.
Definition: libusb.h:1176
Interface.
Definition: libusb.h:345
Transfer timed out.
Definition: libusb.h:795
Video.
Definition: libusb.h:185
Printer class.
Definition: libusb.h:163
const uint16_t micro
Library micro version.
Definition: libusb.h:652
const char * libusb_error_name(int errcode)
Returns a constant NULL-terminated string with the ASCII name of a libusb error code.
Definition: core.c:1798
Wireless class.
Definition: libusb.h:194
unsigned int actual_length
Amount of data that was actually transferred.
Definition: libusb.h:859
Request status of the specific recipient.
Definition: libusb.h:281
int num_altsetting
The number of alternate settings that belong to this interface.
Definition: libusb.h:556
Get the current device configuration value.
Definition: libusb.h:303
uint8_t bInterfaceClass
USB-IF class code for this interface.
Definition: libusb.h:522
void libusb_close(libusb_device_handle *dev_handle)
Close a device handle.
Definition: core.c:1081
static 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)
Helper function to populate the required libusb_transfer fields for an isochronous transfer...
Definition: libusb.h:1205
libusb_transfer_type
Endpoint transfer type.
Definition: libusb.h:263
void libusb_set_pollfd_notifiers(libusb_context *ctx, libusb_pollfd_added_cb added_cb, libusb_pollfd_removed_cb removed_cb, void *user_data)
Register notification functions for file descriptor additions/removals.
Definition: io.c:2311
int libusb_clear_halt(libusb_device_handle *dev, unsigned char endpoint)
Clear the halt/stall condition for an endpoint.
Definition: core.c:1385
static struct libusb_control_setup * libusb_control_transfer_get_setup(struct libusb_transfer *transfer)
Get the control setup packet of a control transfer.
Definition: libusb.h:1045
void libusb_unlock_events(libusb_context *ctx)
Release the lock previously acquired with libusb_try_lock_events() or libusb_lock_events().
Definition: io.c:1592
uint16_t wValue
Value.
Definition: libusb.h:623
Asynchronous.
Definition: libusb.h:366
void(* libusb_pollfd_removed_cb)(int fd, void *user_data)
Callback function, invoked when a file descriptor should be removed from the set of file descriptors ...
Definition: libusb.h:1431
Overflow.
Definition: libusb.h:763
Clear or disable a specific feature.
Definition: libusb.h:284
uint8_t bmAttributes
Configuration characteristics.
Definition: libusb.h:586
uint8_t bDescriptorType
Descriptor type.
Definition: libusb.h:571
int length
Length of the data buffer.
Definition: libusb.h:911
int libusb_get_config_descriptor_by_value(libusb_device *dev, uint8_t bConfigurationValue, struct libusb_config_descriptor **config)
Get a USB configuration descriptor with a specific bConfigurationValue.
Definition: descriptor.c:635
void * user_data
User context data to pass to the callback function.
Definition: libusb.h:923
Other.
Definition: libusb.h:351
uint8_t bNumEndpoints
Number of endpoints used by this interface (excluding the control endpoint).
Definition: libusb.h:519
Out: host-to-device.
Definition: libusb.h:254
uint16_t wIndex
Index.
Definition: libusb.h:627
Set then report an endpoint's synchronization frame.
Definition: libusb.h:315
Set device address for all future accesses.
Definition: libusb.h:294
static void libusb_fill_control_setup(unsigned char *buffer, uint8_t bmRequestType, uint8_t bRequest, uint16_t wValue, uint16_t wIndex, uint16_t wLength)
Helper function to populate the setup packet (first 8 bytes of the data buffer) for a control transfe...
Definition: libusb.h:1073
Physical descriptor.
Definition: libusb.h:228
void libusb_unlock_event_waiters(libusb_context *ctx)
Release the event waiters lock.
Definition: io.c:1703
int libusb_bulk_transfer(libusb_device_handle *dev_handle, unsigned char endpoint, unsigned char *data, int length, int *actual_length, unsigned int timeout)
Perform a USB bulk transfer.
Definition: sync.c:266
Access denied (insufficient permissions)
Definition: libusb.h:748
libusb_transfer_status
Transfer status codes.
Definition: libusb.h:786
Setup packet for control transfers.
Definition: libusb.h:607
Get the specified descriptor.
Definition: libusb.h:297
int libusb_claim_interface(libusb_device_handle *dev, int interface_number)
Claim an interface on a given device handle.
Definition: core.c:1268
libusb_device_handle * dev_handle
Handle of the device that this transfer will be submitted to.
Definition: libusb.h:886
libusb_transfer_flags
libusb_transfer.flags values
Definition: libusb.h:813
uint16_t wTotalLength
Total length of data returned for this configuration.
Definition: libusb.h:574
uint16_t idProduct
USB-IF product ID.
Definition: libusb.h:429
Device descriptor.
Definition: libusb.h:207
static unsigned char * libusb_get_iso_packet_buffer(struct libusb_transfer *transfer, unsigned int packet)
Convenience function to locate the position of an isochronous packet within the buffer of an isochron...
Definition: libusb.h:1253
Device sent more data than requested.
Definition: libusb.h:808
int libusb_try_lock_events(libusb_context *ctx)
Attempt to acquire the event handling lock.
Definition: io.c:1536
void libusb_lock_events(libusb_context *ctx)
Acquire the event handling lock, blocking until successful acquisition if it is contended.
Definition: io.c:1577
Communications class.
Definition: libusb.h:154
uint16_t wLength
Number of bytes to transfer.
Definition: libusb.h:630
int libusb_get_device_descriptor(libusb_device *dev, struct libusb_device_descriptor *desc)
Get the USB device descriptor for a given device.
Definition: descriptor.c:435
int libusb_handle_events_locked(libusb_context *ctx, struct timeval *tv)
Handle any pending events by polling file descriptors, without checking if any other threads are alre...
Definition: io.c:2147
uint16_t idVendor
USB-IF vendor ID.
Definition: libusb.h:426
int libusb_kernel_driver_active(libusb_device_handle *dev, int interface_number)
Determine if a kernel driver is active on an interface.
Definition: core.c:1434
uint8_t bInterfaceSubClass
USB-IF subclass code for this interface, qualified by the bInterfaceClass value.
Definition: libusb.h:526
A structure representing the standard USB endpoint descriptor.
Definition: libusb.h:452
uint8_t bConfigurationValue
Identifier value for this configuration.
Definition: libusb.h:580
int num_iso_packets
Number of isochronous packets.
Definition: libusb.h:930
int libusb_handle_events_timeout_completed(libusb_context *ctx, struct timeval *tv, int *completed)
Handle any pending events.
Definition: io.c:2010
libusb_device_handle * libusb_open_device_with_vid_pid(libusb_context *ctx, uint16_t vendor_id, uint16_t product_id)
Convenience function for finding a device with a particular idVendor/idProduct combination.
Definition: core.c:977
int actual_length
Actual length of data that was transferred.
Definition: libusb.h:916
uint8_t bDescriptorType
Descriptor type.
Definition: libusb.h:405
The device is operating at low speed (1.5MBit/s).
Definition: libusb.h:719
int libusb_reset_device(libusb_device_handle *dev)
Perform a USB port reset to reinitialize a device.
Definition: core.c:1411
uint8_t bLength
Size of this descriptor (in bytes)
Definition: libusb.h:566
Transfer completed without error.
Definition: libusb.h:789
uint8_t bMaxPacketSize0
Maximum packet size for endpoint 0.
Definition: libusb.h:423
uint8_t iProduct
Index of string descriptor describing product.
Definition: libusb.h:438
Isochronous endpoint.
Definition: libusb.h:268
int libusb_cancel_transfer(struct libusb_transfer *transfer)
Asynchronously cancel a previously submitted transfer.
Definition: io.c:1350
libusb_device * libusb_ref_device(libusb_device *dev)
Increment the reference count of a device.
Definition: core.c:810
libusb_device * libusb_get_device(libusb_device_handle *dev_handle)
Get the underlying device for a handle.
Definition: core.c:1143
Device was disconnected.
Definition: libusb.h:805
int extra_length
Length of the extra descriptors, in bytes.
Definition: libusb.h:602
Transfer failed.
Definition: libusb.h:792
int libusb_get_device_speed(libusb_device *dev)
Get the negotiated connection speed for a device.
Definition: core.c:678
uint8_t iConfiguration
Index of string descriptor describing this configuration.
Definition: libusb.h:583
int libusb_get_string_descriptor_ascii(libusb_device_handle *dev, uint8_t desc_index, unsigned char *data, int length)
Retrieve a string descriptor in C style ASCII.
Definition: descriptor.c:678
Invalid parameter.
Definition: libusb.h:745
unsigned int length
Length of data to request in this packet.
Definition: libusb.h:856
struct libusb_device libusb_device
Structure representing a USB device detected on the system.
Definition: libusb.h:698
const unsigned char * extra
Extra descriptors.
Definition: libusb.h:541
uint8_t bAlternateSetting
Value used to select this alternate setting for this interface.
Definition: libusb.h:515
uint8_t libusb_get_bus_number(libusb_device *dev)
Get the number of the bus that a device is connected to.
Definition: core.c:657
Image class.
Definition: libusb.h:166
The libusb_has_capability() API is available.
Definition: libusb.h:949
Physical.
Definition: libusb.h:160
In: device-to-host.
Definition: libusb.h:251
Reserved.
Definition: libusb.h:333
Other error.
Definition: libusb.h:781
unsigned char endpoint
Address of the endpoint where this transfer will be sent.
Definition: libusb.h:892
Diagnostic Device.
Definition: libusb.h:191
const struct libusb_pollfd ** libusb_get_pollfds(libusb_context *ctx)
Retrieve a list of file descriptors that should be polled by your main loop as libusbx event sources...
Definition: io.c:2385
Mass storage class.
Definition: libusb.h:170
HID descriptor.
Definition: libusb.h:222
libusb_iso_usage_type
Usage type for isochronous endpoints.
Definition: libusb.h:382
uint8_t bInterfaceProtocol
USB-IF protocol code for this interface, qualified by the bInterfaceClass and bInterfaceSubClass valu...
Definition: libusb.h:530
Terminate transfers that are a multiple of the endpoint's wMaxPacketSize with an extra zero length pa...
Definition: libusb.h:849
uint16_t bcdUSB
USB specification release number in binary-coded decimal.
Definition: libusb.h:409
static 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)
Helper function to populate the required libusb_transfer fields for a bulk transfer.
Definition: libusb.h:1148
Content Security.
Definition: libusb.h:182
The OS doesn't report or know the device speed.
Definition: libusb.h:716
The device is operating at high speed (480MBit/s).
Definition: libusb.h:725
Operation timed out.
Definition: libusb.h:760
Feedback endpoint.
Definition: libusb.h:387
int libusb_release_interface(libusb_device_handle *dev, int interface_number)
Release an interface previously claimed with libusb_claim_interface().
Definition: core.c:1305
Structure providing the version of the libusbx runtime.
Definition: libusb.h:644
Pipe error.
Definition: libusb.h:766
int libusb_pollfds_handle_timeouts(libusb_context *ctx)
Determines whether your application must apply special timing considerations when monitoring libusbx'...
Definition: io.c:2191
libusb_standard_request
Standard requests, as defined in table 9-3 of the USB2 specifications.
Definition: libusb.h:279
Adaptive.
Definition: libusb.h:369
const struct libusb_endpoint_descriptor * endpoint
Array of endpoint descriptors.
Definition: libusb.h:537
libusb_class_code
Device and/or Interface Class codes.
Definition: libusb.h:143
void(* libusb_pollfd_added_cb)(int fd, short events, void *user_data)
Callback function, invoked when a new file descriptor should be added to the set of file descriptors ...
Definition: libusb.h:1419
No synchronization.
Definition: libusb.h:363
Isochronous packet descriptor.
Definition: libusb.h:854
Automatically free() transfer buffer during libusb_free_transfer()
Definition: libusb.h:818
Interface descriptor.
Definition: libusb.h:216
System call interrupted (perhaps due to signal)
Definition: libusb.h:769
const char * rc
Library release candidate suffix string, e.g.
Definition: libusb.h:658
For bulk/interrupt endpoints: halt condition detected (endpoint stalled).
Definition: libusb.h:802
Used to update existing descriptors or add new descriptors.
Definition: libusb.h:300
uint8_t MaxPower
Maximum power consumption of the USB device from this bus in this configuration when the device is fu...
Definition: libusb.h:591
int libusb_get_max_packet_size(libusb_device *dev, unsigned char endpoint)
Convenience function to retrieve the wMaxPacketSize value for a particular endpoint in the active dev...
Definition: core.c:724
unsigned char type
Type of the endpoint from libusb_transfer_type.
Definition: libusb.h:895
libusb_error
Error codes.
Definition: libusb.h:737
struct libusb_transfer * libusb_alloc_transfer(int iso_packets)
Allocate a libusbx transfer with a specified number of isochronous packet descriptors.
Definition: io.c:1226
Select an alternate interface for the specified interface.
Definition: libusb.h:312
struct libusb_iso_packet_descriptor iso_packet_desc[0]
Isochronous packet descriptors, for isochronous transfers only.
Definition: libusb.h:933
uint8_t bRefresh
For audio devices only: the rate at which synchronization feedback is provided.
Definition: libusb.h:484
static void libusb_set_iso_packet_lengths(struct libusb_transfer *transfer, unsigned int length)
Convenience function to set the length of all packets in an isochronous transfer, based on the num_is...
Definition: libusb.h:1229
Hub class.
Definition: libusb.h:173