diff options
Diffstat (limited to '')
| -rw-r--r-- | libusb-1.0/include/libusb.h (renamed from libusbx-1.0/include/libusb.h) | 638 |
1 files changed, 585 insertions, 53 deletions
diff --git a/libusbx-1.0/include/libusb.h b/libusb-1.0/include/libusb.h index de31a56..a19ab34 100644 --- a/libusbx-1.0/include/libusb.h +++ b/libusb-1.0/include/libusb.h @@ -1,7 +1,10 @@ /* - * Public libusbx header file - * Copyright © 2007-2008 Daniel Drake <dsd@gentoo.org> + * Public libusb header file * Copyright © 2001 Johannes Erdfelt <johannes@erdfelt.com> + * Copyright © 2007-2008 Daniel Drake <dsd@gentoo.org> + * Copyright © 2012 Pete Batard <pete@akeo.ie> + * Copyright © 2012 Nathan Hjelm <hjelmn@cs.unm.edu> + * For more information, please visit: http://libusb.info * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public @@ -38,7 +41,7 @@ #endif /* _SSIZE_T_DEFINED */ #endif /* _MSC_VER */ -/* stdint.h is also not usually available on MS */ +/* stdint.h is not available on older MSVC */ #if defined(_MSC_VER) && (_MSC_VER < 1600) && (!defined(_STDINT)) && (!defined(_STDINT_H)) typedef unsigned __int8 uint8_t; typedef unsigned __int16 uint16_t; @@ -47,36 +50,49 @@ typedef unsigned __int32 uint32_t; #include <stdint.h> #endif +#if !defined(_WIN32_WCE) #include <sys/types.h> -#include <time.h> -#include <limits.h> +#endif #if defined(__linux) || defined(__APPLE__) || defined(__CYGWIN__) #include <sys/time.h> #endif +#include <time.h> +#include <limits.h> + /* 'interface' might be defined as a macro on Windows, so we need to - * undefine it so as not to break the current libusbx API, because + * undefine it so as not to break the current libusb API, because * libusb_config_descriptor has an 'interface' member * As this can be problematic if you include windows.h after libusb.h * in your sources, we force windows.h to be included first. */ -#if defined(_WIN32) || defined(__CYGWIN__) +#if defined(_WIN32) || defined(__CYGWIN__) || defined(_WIN32_WCE) #include <windows.h> #if defined(interface) #undef interface #endif +#if !defined(__CYGWIN__) +#include <winsock.h> +#endif #endif +#if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5) +#define LIBUSB_DEPRECATED_FOR(f) \ + __attribute__((deprecated("Use " #f " instead"))) +#else +#define LIBUSB_DEPRECATED_FOR(f) +#endif /* __GNUC__ */ + /** \def LIBUSB_CALL * \ingroup misc - * libusbx's Windows calling convention. + * libusb's Windows calling convention. * * Under Windows, the selection of available compilers and configurations * means that, unlike other platforms, there is not <em>one true calling * convention</em> (calling convention: the manner in which parameters are * passed to funcions in the generated assembly code). * - * Matching the Windows API itself, libusbx uses the WINAPI convention (which + * Matching the Windows API itself, libusb uses the WINAPI convention (which * translates to the <tt>stdcall</tt> convention) and guarantees that the * library is compiled in this way. The public header file also includes * appropriate annotations so that your own software will use the right @@ -84,7 +100,7 @@ typedef unsigned __int32 uint32_t; * your codebase. * * The one consideration that you must apply in your software is to mark - * all functions which you use as libusbx callbacks with this LIBUSB_CALL + * all functions which you use as libusb callbacks with this LIBUSB_CALL * annotation, so that they too get compiled for the correct calling * convention. * @@ -92,24 +108,52 @@ typedef unsigned __int32 uint32_t; * means that you can apply it to your code without worrying about * cross-platform compatibility. */ -/* LIBUSB_CALL must be defined on both definition and declaration of libusbx +/* LIBUSB_CALL must be defined on both definition and declaration of libusb * functions. You'd think that declaration would be enough, but cygwin will * complain about conflicting types unless both are marked this way. * The placement of this macro is important too; it must appear after the * return type, before the function name. See internal documentation for * API_EXPORTED. */ -#if defined(_WIN32) || defined(__CYGWIN__) +#if defined(_WIN32) || defined(__CYGWIN__) || defined(_WIN32_WCE) #define LIBUSB_CALL WINAPI #else #define LIBUSB_CALL #endif +/** \def LIBUSB_API_VERSION + * \ingroup misc + * libusb's API version. + * + * Since version 1.0.13, to help with feature detection, libusb defines + * a LIBUSB_API_VERSION macro that gets increased every time there is a + * significant change to the API, such as the introduction of a new call, + * the definition of a new macro/enum member, or any other element that + * libusb applications may want to detect at compilation time. + * + * The macro is typically used in an application as follows: + * \code + * #if defined(LIBUSB_API_VERSION) && (LIBUSB_API_VERSION >= 0x01001234) + * // Use one of the newer features from the libusb API + * #endif + * \endcode + * + * Another feature of LIBUSB_API_VERSION is that it can be used to detect + * whether you are compiling against the libusb or the libusb library. + * + * Internally, LIBUSB_API_VERSION is defined as follows: + * (libusb major << 24) | (libusb minor << 16) | (16 bit incremental) + */ +#define LIBUSB_API_VERSION 0x01000103 + +/* The following is kept for compatibility, but will be deprecated in the future */ +#define LIBUSBX_API_VERSION LIBUSB_API_VERSION + #ifdef __cplusplus extern "C" { #endif -/** \def libusb_cpu_to_le16 +/** * \ingroup misc * Convert a 16-bit value from host-endian to little-endian format. On * little endian systems, this function does nothing. On big endian systems, @@ -123,8 +167,8 @@ static inline uint16_t libusb_cpu_to_le16(const uint16_t x) uint8_t b8[2]; uint16_t b16; } _tmp; - _tmp.b8[1] = x >> 8; - _tmp.b8[0] = x & 0xff; + _tmp.b8[1] = (uint8_t) (x >> 8); + _tmp.b8[0] = (uint8_t) (x & 0xff); return _tmp.b16; } @@ -220,6 +264,12 @@ enum libusb_descriptor_type { /** Endpoint descriptor. See libusb_endpoint_descriptor. */ LIBUSB_DT_ENDPOINT = 0x05, + /** BOS descriptor */ + LIBUSB_DT_BOS = 0x0f, + + /** Device Capability descriptor */ + LIBUSB_DT_DEVICE_CAPABILITY = 0x10, + /** HID descriptor */ LIBUSB_DT_HID = 0x21, @@ -231,15 +281,35 @@ enum libusb_descriptor_type { /** Hub descriptor */ LIBUSB_DT_HUB = 0x29, + + /** SuperSpeed Hub descriptor */ + LIBUSB_DT_SUPERSPEED_HUB = 0x2a, + + /** SuperSpeed Endpoint Companion descriptor */ + LIBUSB_DT_SS_ENDPOINT_COMPANION = 0x30 }; /* Descriptor sizes per descriptor type */ #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 /* Audio extension */ +#define LIBUSB_DT_ENDPOINT_SIZE 7 +#define LIBUSB_DT_ENDPOINT_AUDIO_SIZE 9 /* Audio extension */ #define LIBUSB_DT_HUB_NONVAR_SIZE 7 +#define LIBUSB_DT_SS_ENDPOINT_COMPANION_SIZE 6 +#define LIBUSB_DT_BOS_SIZE 5 +#define LIBUSB_DT_DEVICE_CAPABILITY_SIZE 3 + +/* BOS descriptor sizes */ +#define LIBUSB_BT_USB_2_0_EXTENSION_SIZE 7 +#define LIBUSB_BT_SS_USB_DEVICE_CAPABILITY_SIZE 10 +#define LIBUSB_BT_CONTAINER_ID_SIZE 20 + +/* We unwrap the BOS => define its max size */ +#define LIBUSB_DT_BOS_MAX_SIZE ((LIBUSB_DT_BOS_SIZE) +\ + (LIBUSB_BT_USB_2_0_EXTENSION_SIZE) +\ + (LIBUSB_BT_SS_USB_DEVICE_CAPABILITY_SIZE) +\ + (LIBUSB_BT_CONTAINER_ID_SIZE)) #define LIBUSB_ENDPOINT_ADDRESS_MASK 0x0f /* in bEndpointAddress */ #define LIBUSB_ENDPOINT_DIR_MASK 0x80 @@ -273,11 +343,14 @@ enum libusb_transfer_type { LIBUSB_TRANSFER_TYPE_BULK = 2, /** Interrupt endpoint */ - LIBUSB_TRANSFER_TYPE_INTERRUPT = 3 + LIBUSB_TRANSFER_TYPE_INTERRUPT = 3, + + /** Stream endpoint */ + LIBUSB_TRANSFER_TYPE_BULK_STREAM = 4, }; /** \ingroup misc - * Standard requests, as defined in table 9-3 of the USB2 specifications */ + * Standard requests, as defined in table 9-5 of the USB 3.0 specifications */ enum libusb_standard_request { /** Request status of the specific recipient */ LIBUSB_REQUEST_GET_STATUS = 0x00, @@ -315,6 +388,13 @@ enum libusb_standard_request { /** Set then report an endpoint's synchronization frame */ LIBUSB_REQUEST_SYNCH_FRAME = 0x0C, + + /** Sets both the U1 and U2 Exit Latency */ + LIBUSB_REQUEST_SET_SEL = 0x30, + + /** Delay from the time a host transmits a packet to the time it is + * received by the device. */ + LIBUSB_SET_ISOCH_DELAY = 0x31, }; /** \ingroup misc @@ -394,7 +474,7 @@ enum libusb_iso_usage_type { /** \ingroup desc * A structure representing the standard USB device descriptor. This - * descriptor is documented in section 9.6.1 of the USB 2.0 specification. + * descriptor is documented in section 9.6.1 of the USB 3.0 specification. * All multiple-byte fields are represented in host-endian format. */ struct libusb_device_descriptor { @@ -448,7 +528,7 @@ struct libusb_device_descriptor { /** \ingroup desc * A structure representing the standard USB endpoint descriptor. This - * descriptor is documented in section 9.6.3 of the USB 2.0 specification. + * descriptor is documented in section 9.6.6 of the USB 3.0 specification. * All multiple-byte fields are represented in host-endian format. */ struct libusb_endpoint_descriptor { @@ -488,7 +568,7 @@ struct libusb_endpoint_descriptor { /** For audio devices only: the address if the synch endpoint */ uint8_t bSynchAddress; - /** Extra descriptors. If libusbx encounters unknown endpoint descriptors, + /** Extra descriptors. If libusb encounters unknown endpoint descriptors, * it will store them here, should you wish to parse them. */ const unsigned char *extra; @@ -498,7 +578,7 @@ struct libusb_endpoint_descriptor { /** \ingroup desc * A structure representing the standard USB interface descriptor. This - * descriptor is documented in section 9.6.5 of the USB 2.0 specification. + * descriptor is documented in section 9.6.5 of the USB 3.0 specification. * All multiple-byte fields are represented in host-endian format. */ struct libusb_interface_descriptor { @@ -538,7 +618,7 @@ struct libusb_interface_descriptor { * by the bNumEndpoints field. */ const struct libusb_endpoint_descriptor *endpoint; - /** Extra descriptors. If libusbx encounters unknown interface descriptors, + /** Extra descriptors. If libusb encounters unknown interface descriptors, * it will store them here, should you wish to parse them. */ const unsigned char *extra; @@ -560,7 +640,7 @@ struct libusb_interface { /** \ingroup desc * A structure representing the standard USB configuration descriptor. This - * descriptor is documented in section 9.6.3 of the USB 2.0 specification. + * descriptor is documented in section 9.6.3 of the USB 3.0 specification. * All multiple-byte fields are represented in host-endian format. */ struct libusb_config_descriptor { @@ -596,7 +676,7 @@ struct libusb_config_descriptor { * this array is determined by the bNumInterfaces field. */ const struct libusb_interface *interface; - /** Extra descriptors. If libusbx encounters unknown configuration + /** Extra descriptors. If libusb encounters unknown configuration * descriptors, it will store them here, should you wish to parse them. */ const unsigned char *extra; @@ -604,6 +684,187 @@ struct libusb_config_descriptor { int extra_length; }; +/** \ingroup desc + * A structure representing the superspeed endpoint companion + * descriptor. This descriptor is documented in section 9.6.7 of + * the USB 3.0 specification. All multiple-byte fields are represented in + * host-endian format. + */ +struct libusb_ss_endpoint_companion_descriptor { + + /** Size of this descriptor (in bytes) */ + uint8_t bLength; + + /** Descriptor type. Will have value + * \ref libusb_descriptor_type::LIBUSB_DT_SS_ENDPOINT_COMPANION in + * this context. */ + uint8_t bDescriptorType; + + + /** The maximum number of packets the endpoint can send or + * recieve as part of a burst. */ + uint8_t bMaxBurst; + + /** In bulk EP: bits 4:0 represents the maximum number of + * streams the EP supports. In isochronous EP: bits 1:0 + * represents the Mult - a zero based value that determines + * the maximum number of packets within a service interval */ + uint8_t bmAttributes; + + /** The total number of bytes this EP will transfer every + * service interval. valid only for periodic EPs. */ + uint16_t wBytesPerInterval; +}; + +/** \ingroup desc + * A generic representation of a BOS Device Capability descriptor. It is + * advised to check bDevCapabilityType and call the matching + * libusb_get_*_descriptor function to get a structure fully matching the type. + */ +struct libusb_bos_dev_capability_descriptor { + /** Size of this descriptor (in bytes) */ + uint8_t bLength; + /** Descriptor type. Will have value + * \ref libusb_descriptor_type::LIBUSB_DT_DEVICE_CAPABILITY + * LIBUSB_DT_DEVICE_CAPABILITY in this context. */ + uint8_t bDescriptorType; + /** Device Capability type */ + uint8_t bDevCapabilityType; + /** Device Capability data (bLength - 3 bytes) */ + uint8_t dev_capability_data +#if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) + [] /* valid C99 code */ +#else + [0] /* non-standard, but usually working code */ +#endif + ; +}; + +/** \ingroup desc + * A structure representing the Binary Device Object Store (BOS) descriptor. + * This descriptor is documented in section 9.6.2 of the USB 3.0 specification. + * All multiple-byte fields are represented in host-endian format. + */ +struct libusb_bos_descriptor { + /** Size of this descriptor (in bytes) */ + uint8_t bLength; + + /** Descriptor type. Will have value + * \ref libusb_descriptor_type::LIBUSB_DT_BOS LIBUSB_DT_BOS + * in this context. */ + uint8_t bDescriptorType; + + /** Length of this descriptor and all of its sub descriptors */ + uint16_t wTotalLength; + + /** The number of separate device capability descriptors in + * the BOS */ + uint8_t bNumDeviceCaps; + + /** bNumDeviceCap Device Capability Descriptors */ + struct libusb_bos_dev_capability_descriptor *dev_capability +#if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) + [] /* valid C99 code */ +#else + [0] /* non-standard, but usually working code */ +#endif + ; +}; + +/** \ingroup desc + * A structure representing the USB 2.0 Extension descriptor + * This descriptor is documented in section 9.6.2.1 of the USB 3.0 specification. + * All multiple-byte fields are represented in host-endian format. + */ +struct libusb_usb_2_0_extension_descriptor { + /** Size of this descriptor (in bytes) */ + uint8_t bLength; + + /** Descriptor type. Will have value + * \ref libusb_descriptor_type::LIBUSB_DT_DEVICE_CAPABILITY + * LIBUSB_DT_DEVICE_CAPABILITY in this context. */ + uint8_t bDescriptorType; + + /** Capability type. Will have value + * \ref libusb_capability_type::LIBUSB_BT_USB_2_0_EXTENSION + * LIBUSB_BT_USB_2_0_EXTENSION in this context. */ + uint8_t bDevCapabilityType; + + /** Bitmap encoding of supported device level features. + * A value of one in a bit location indicates a feature is + * supported; a value of zero indicates it is not supported. + * See \ref libusb_usb_2_0_extension_attributes. */ + uint32_t bmAttributes; +}; + +/** \ingroup desc + * A structure representing the SuperSpeed USB Device Capability descriptor + * This descriptor is documented in section 9.6.2.2 of the USB 3.0 specification. + * All multiple-byte fields are represented in host-endian format. + */ +struct libusb_ss_usb_device_capability_descriptor { + /** Size of this descriptor (in bytes) */ + uint8_t bLength; + + /** Descriptor type. Will have value + * \ref libusb_descriptor_type::LIBUSB_DT_DEVICE_CAPABILITY + * LIBUSB_DT_DEVICE_CAPABILITY in this context. */ + uint8_t bDescriptorType; + + /** Capability type. Will have value + * \ref libusb_capability_type::LIBUSB_BT_SS_USB_DEVICE_CAPABILITY + * LIBUSB_BT_SS_USB_DEVICE_CAPABILITY in this context. */ + uint8_t bDevCapabilityType; + + /** Bitmap encoding of supported device level features. + * A value of one in a bit location indicates a feature is + * supported; a value of zero indicates it is not supported. + * See \ref libusb_ss_usb_device_capability_attributes. */ + uint8_t bmAttributes; + + /** Bitmap encoding of the speed supported by this device when + * operating in SuperSpeed mode. See \ref libusb_supported_speed. */ + uint16_t wSpeedSupported; + + /** The lowest speed at which all the functionality supported + * by the device is available to the user. For example if the + * device supports all its functionality when connected at + * full speed and above then it sets this value to 1. */ + uint8_t bFunctionalitySupport; + + /** U1 Device Exit Latency. */ + uint8_t bU1DevExitLat; + + /** U2 Device Exit Latency. */ + uint16_t bU2DevExitLat; +}; + +/** \ingroup desc + * A structure representing the Container ID descriptor. + * This descriptor is documented in section 9.6.2.3 of the USB 3.0 specification. + * All multiple-byte fields, except UUIDs, are represented in host-endian format. + */ +struct libusb_container_id_descriptor { + /** Size of this descriptor (in bytes) */ + uint8_t bLength; + + /** Descriptor type. Will have value + * \ref libusb_descriptor_type::LIBUSB_DT_DEVICE_CAPABILITY + * LIBUSB_DT_DEVICE_CAPABILITY in this context. */ + uint8_t bDescriptorType; + + /** Capability type. Will have value + * \ref libusb_capability_type::LIBUSB_BT_CONTAINER_ID + * LIBUSB_BT_CONTAINER_ID in this context. */ + uint8_t bDevCapabilityType; + + /** Reserved field */ + uint8_t bReserved; + + /** 128 bit UUID */ + uint8_t ContainerID[16]; +}; + /** \ingroup asyncio * Setup packet for control transfers. */ struct libusb_control_setup { @@ -634,14 +895,15 @@ struct libusb_control_setup { #define LIBUSB_CONTROL_SETUP_SIZE (sizeof(struct libusb_control_setup)) -/* libusbx */ +/* libusb */ struct libusb_context; struct libusb_device; struct libusb_device_handle; +struct libusb_hotplug_callback; /** \ingroup lib - * Structure providing the version of the libusbx runtime + * Structure providing the version of the libusb runtime */ struct libusb_version { /** Library major version. */ @@ -664,16 +926,16 @@ struct libusb_version { }; /** \ingroup lib - * Structure representing a libusbx session. The concept of individual libusbx + * Structure representing a libusb session. The concept of individual libusb * sessions allows for your program to use two libraries (or dynamically * load two modules) which both independently use libusb. This will prevent - * interference between the individual libusbx users - for example + * interference between the individual libusb users - for example * libusb_set_debug() will not affect the other user of the library, and * libusb_exit() will not destroy resources that the other user is still * using. * * Sessions are created by libusb_init() and destroyed through libusb_exit(). - * If your application is guaranteed to only ever include a single libusbx + * If your application is guaranteed to only ever include a single libusb * user (i.e. you), you do not have to worry about contexts: pass NULL in * every function call where a context is required. The default context * will be used. @@ -690,8 +952,8 @@ typedef struct libusb_context libusb_context; * Certain operations can be performed on a device, but in order to do any * I/O you will have to first obtain a device handle using libusb_open(). * - * Devices are reference counted with libusb_device_ref() and - * libusb_device_unref(), and are freed when the reference count reaches 0. + * Devices are reference counted with libusb_ref_device() and + * libusb_unref_device(), and are freed when the reference count reaches 0. * New devices presented by libusb_get_device_list() have a reference count of * 1, and libusb_free_device_list() can optionally decrease the reference count * on all devices in the list. libusb_open() adds another reference which is @@ -730,11 +992,67 @@ enum libusb_speed { LIBUSB_SPEED_SUPER = 4, }; +/** \ingroup dev + * Supported speeds (wSpeedSupported) bitfield. Indicates what + * speeds the device supports. + */ +enum libusb_supported_speed { + /** Low speed operation supported (1.5MBit/s). */ + LIBUSB_LOW_SPEED_OPERATION = 1, + + /** Full speed operation supported (12MBit/s). */ + LIBUSB_FULL_SPEED_OPERATION = 2, + + /** High speed operation supported (480MBit/s). */ + LIBUSB_HIGH_SPEED_OPERATION = 4, + + /** Superspeed operation supported (5000MBit/s). */ + LIBUSB_SUPER_SPEED_OPERATION = 8, +}; + +/** \ingroup dev + * Masks for the bits of the + * \ref libusb_usb_2_0_extension_descriptor::bmAttributes "bmAttributes" field + * of the USB 2.0 Extension descriptor. + */ +enum libusb_usb_2_0_extension_attributes { + /** Supports Link Power Management (LPM) */ + LIBUSB_BM_LPM_SUPPORT = 2, +}; + +/** \ingroup dev + * Masks for the bits of the + * \ref libusb_ss_usb_device_capability_descriptor::bmAttributes "bmAttributes" field + * field of the SuperSpeed USB Device Capability descriptor. + */ +enum libusb_ss_usb_device_capability_attributes { + /** Supports Latency Tolerance Messages (LTM) */ + LIBUSB_BM_LTM_SUPPORT = 2, +}; + +/** \ingroup dev + * USB capability types + */ +enum libusb_bos_type { + /** Wireless USB device capability */ + LIBUSB_BT_WIRELESS_USB_DEVICE_CAPABILITY = 1, + + /** USB 2.0 extensions */ + LIBUSB_BT_USB_2_0_EXTENSION = 2, + + /** SuperSpeed USB device capability */ + LIBUSB_BT_SS_USB_DEVICE_CAPABILITY = 3, + + /** Container ID type */ + LIBUSB_BT_CONTAINER_ID = 4, +}; + /** \ingroup misc - * Error codes. Most libusbx functions return 0 on success or one of these + * Error codes. Most libusb functions return 0 on success or one of these * codes on failure. - * You can call \ref libusb_error_name() to retrieve a string representation - * of an error code. + * You can call libusb_error_name() to retrieve a string representation of an + * error code or libusb_strerror() to get an end-user suitable description of + * an error code. */ enum libusb_error { /** Success (no error) */ @@ -776,13 +1094,16 @@ enum libusb_error { /** Operation not supported or unimplemented on this platform */ LIBUSB_ERROR_NOT_SUPPORTED = -12, - /* NB! Remember to update libusb_error_name() - when adding new error codes here. */ + /* NB: Remember to update LIBUSB_ERROR_COUNT below as well as the + message strings in strerror.c when adding new error codes here. */ /** Other error */ LIBUSB_ERROR_OTHER = -99, }; +/* Total number of error codes in enum libusb_error */ +#define LIBUSB_ERROR_COUNT 14 + /** \ingroup asyncio * Transfer status codes */ enum libusb_transfer_status { @@ -808,6 +1129,9 @@ enum libusb_transfer_status { /** Device sent more data than requested */ LIBUSB_TRANSFER_OVERFLOW, + + /* NB! Remember to update libusb_error_name() + when adding new status codes here. */ }; /** \ingroup asyncio @@ -870,7 +1194,7 @@ struct libusb_transfer; * Asynchronous transfer callback function type. When submitting asynchronous * transfers, you pass a pointer to a callback function of this type via the * \ref libusb_transfer::callback "callback" member of the libusb_transfer - * structure. libusbx will call this function later, when the transfer has + * structure. libusb will call this function later, when the transfer has * completed or failed. See \ref asyncio for more information. * \param transfer The libusb_transfer struct the callback function is being * notified about. @@ -942,13 +1266,23 @@ struct libusb_transfer { }; /** \ingroup misc - * Capabilities supported by this instance of libusb. Test if the loaded - * library supports a given capability by calling + * Capabilities supported by an instance of libusb on the current running + * platform. Test if the loaded library supports a given capability by calling * \ref libusb_has_capability(). */ enum libusb_capability { /** The libusb_has_capability() API is available. */ - LIBUSB_CAP_HAS_CAPABILITY = 0, + LIBUSB_CAP_HAS_CAPABILITY = 0x0000, + /** Hotplug support is available on this platform. */ + LIBUSB_CAP_HAS_HOTPLUG = 0x0001, + /** The library can access HID devices without requiring user intervention. + * Note that before being able to actually access an HID device, you may + * still have to call additional libusb functions such as + * \ref libusb_detach_kernel_driver(). */ + LIBUSB_CAP_HAS_HID_ACCESS = 0x0100, + /** The library supports detaching of the default USB driver, using + * \ref libusb_detach_kernel_driver(), if one is set by the OS kernel */ + LIBUSB_CAP_SUPPORTS_DETACH_KERNEL_DRIVER = 0x0101 }; /** \ingroup lib @@ -975,6 +1309,8 @@ void LIBUSB_CALL libusb_set_debug(libusb_context *ctx, int level); const struct libusb_version * LIBUSB_CALL libusb_get_version(void); int LIBUSB_CALL libusb_has_capability(uint32_t capability); const char * LIBUSB_CALL libusb_error_name(int errcode); +int LIBUSB_CALL libusb_setlocale(const char *locale); +const char * LIBUSB_CALL libusb_strerror(enum libusb_error errcode); ssize_t LIBUSB_CALL libusb_get_device_list(libusb_context *ctx, libusb_device ***list); @@ -995,10 +1331,38 @@ int LIBUSB_CALL libusb_get_config_descriptor_by_value(libusb_device *dev, uint8_t bConfigurationValue, struct libusb_config_descriptor **config); void LIBUSB_CALL libusb_free_config_descriptor( struct libusb_config_descriptor *config); +int LIBUSB_CALL 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_CALL libusb_free_ss_endpoint_companion_descriptor( + struct libusb_ss_endpoint_companion_descriptor *ep_comp); +int LIBUSB_CALL libusb_get_bos_descriptor(libusb_device_handle *handle, + struct libusb_bos_descriptor **bos); +void LIBUSB_CALL libusb_free_bos_descriptor(struct libusb_bos_descriptor *bos); +int LIBUSB_CALL libusb_get_usb_2_0_extension_descriptor( + struct libusb_context *ctx, + struct libusb_bos_dev_capability_descriptor *dev_cap, + struct libusb_usb_2_0_extension_descriptor **usb_2_0_extension); +void LIBUSB_CALL libusb_free_usb_2_0_extension_descriptor( + struct libusb_usb_2_0_extension_descriptor *usb_2_0_extension); +int LIBUSB_CALL libusb_get_ss_usb_device_capability_descriptor( + struct libusb_context *ctx, + struct libusb_bos_dev_capability_descriptor *dev_cap, + struct libusb_ss_usb_device_capability_descriptor **ss_usb_device_cap); +void LIBUSB_CALL libusb_free_ss_usb_device_capability_descriptor( + struct libusb_ss_usb_device_capability_descriptor *ss_usb_device_cap); +int LIBUSB_CALL libusb_get_container_id_descriptor(struct libusb_context *ctx, + struct libusb_bos_dev_capability_descriptor *dev_cap, + struct libusb_container_id_descriptor **container_id); +void LIBUSB_CALL libusb_free_container_id_descriptor( + struct libusb_container_id_descriptor *container_id); uint8_t LIBUSB_CALL libusb_get_bus_number(libusb_device *dev); uint8_t LIBUSB_CALL libusb_get_port_number(libusb_device *dev); -libusb_device * LIBUSB_CALL libusb_get_parent(libusb_device *dev); +int LIBUSB_CALL libusb_get_port_numbers(libusb_device *dev, uint8_t* port_numbers, int port_numbers_len); +LIBUSB_DEPRECATED_FOR(libusb_get_port_numbers) int LIBUSB_CALL libusb_get_port_path(libusb_context *ctx, libusb_device *dev, uint8_t* path, uint8_t path_length); +libusb_device * LIBUSB_CALL libusb_get_parent(libusb_device *dev); uint8_t LIBUSB_CALL libusb_get_device_address(libusb_device *dev); int LIBUSB_CALL libusb_get_device_speed(libusb_device *dev); int LIBUSB_CALL libusb_get_max_packet_size(libusb_device *dev, @@ -1026,12 +1390,19 @@ int LIBUSB_CALL libusb_clear_halt(libusb_device_handle *dev, unsigned char endpoint); int LIBUSB_CALL libusb_reset_device(libusb_device_handle *dev); +int LIBUSB_CALL libusb_alloc_streams(libusb_device_handle *dev, + uint32_t num_streams, unsigned char *endpoints, int num_endpoints); +int LIBUSB_CALL libusb_free_streams(libusb_device_handle *dev, + unsigned char *endpoints, int num_endpoints); + int LIBUSB_CALL libusb_kernel_driver_active(libusb_device_handle *dev, int interface_number); int LIBUSB_CALL libusb_detach_kernel_driver(libusb_device_handle *dev, int interface_number); int LIBUSB_CALL libusb_attach_kernel_driver(libusb_device_handle *dev, int interface_number); +int LIBUSB_CALL libusb_set_auto_detach_kernel_driver( + libusb_device_handle *dev, int enable); /* async I/O */ @@ -1068,7 +1439,7 @@ static inline unsigned char *libusb_control_transfer_get_data( static inline struct libusb_control_setup *libusb_control_transfer_get_setup( struct libusb_transfer *transfer) { - return (struct libusb_control_setup *) transfer->buffer; + return (struct libusb_control_setup *)(void *) transfer->buffer; } /** \ingroup asyncio @@ -1077,6 +1448,7 @@ static inline struct libusb_control_setup *libusb_control_transfer_get_setup( * be given in host-endian byte order. * * \param buffer buffer to output the setup packet into + * This pointer must be aligned to at least 2 bytes boundary. * \param bmRequestType see the * \ref libusb_control_setup::bmRequestType "bmRequestType" field of * \ref libusb_control_setup @@ -1097,7 +1469,7 @@ static inline void libusb_fill_control_setup(unsigned char *buffer, uint8_t bmRequestType, uint8_t bRequest, uint16_t wValue, uint16_t wIndex, uint16_t wLength) { - struct libusb_control_setup *setup = (struct libusb_control_setup *) buffer; + struct libusb_control_setup *setup = (struct libusb_control_setup *)(void *) buffer; setup->bmRequestType = bmRequestType; setup->bRequest = bRequest; setup->wValue = libusb_cpu_to_le16(wValue); @@ -1109,6 +1481,10 @@ struct libusb_transfer * LIBUSB_CALL libusb_alloc_transfer(int iso_packets); int LIBUSB_CALL libusb_submit_transfer(struct libusb_transfer *transfer); int LIBUSB_CALL libusb_cancel_transfer(struct libusb_transfer *transfer); void LIBUSB_CALL libusb_free_transfer(struct libusb_transfer *transfer); +void LIBUSB_CALL libusb_transfer_set_stream_id( + struct libusb_transfer *transfer, uint32_t stream_id); +uint32_t LIBUSB_CALL libusb_transfer_get_stream_id( + struct libusb_transfer *transfer); /** \ingroup asyncio * Helper function to populate the required \ref libusb_transfer fields @@ -1133,6 +1509,7 @@ void LIBUSB_CALL libusb_free_transfer(struct libusb_transfer *transfer); * \param dev_handle handle of the device that will handle the transfer * \param buffer data buffer. If provided, this function will interpret the * first 8 bytes as a setup packet and infer the transfer length from that. + * This pointer must be aligned to at least 2 bytes boundary. * \param callback callback function to be invoked on transfer completion * \param user_data user data to pass to callback function * \param timeout timeout for the transfer in milliseconds @@ -1142,15 +1519,15 @@ static inline void libusb_fill_control_transfer( unsigned char *buffer, libusb_transfer_cb_fn callback, void *user_data, unsigned int timeout) { - struct libusb_control_setup *setup = (struct libusb_control_setup *) buffer; + struct libusb_control_setup *setup = (struct libusb_control_setup *)(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 = LIBUSB_CONTROL_SETUP_SIZE - + libusb_le16_to_cpu(setup->wLength); + transfer->length = (int) (LIBUSB_CONTROL_SETUP_SIZE + + libusb_le16_to_cpu(setup->wLength)); transfer->user_data = user_data; transfer->callback = callback; } @@ -1185,6 +1562,34 @@ static inline void libusb_fill_bulk_transfer(struct libusb_transfer *transfer, /** \ingroup asyncio * Helper function to populate the required \ref libusb_transfer fields + * for a bulk transfer using bulk streams. + * + * Since version 1.0.19, \ref LIBUSB_API_VERSION >= 0x01000103 + * + * \param transfer the transfer to populate + * \param dev_handle handle of the device that will handle the transfer + * \param endpoint address of the endpoint where this transfer will be sent + * \param stream_id bulk stream id for this transfer + * \param buffer data buffer + * \param length length of data buffer + * \param callback callback function to be invoked on transfer completion + * \param user_data user data to pass to callback function + * \param timeout timeout for the transfer in milliseconds + */ +static inline void libusb_fill_bulk_stream_transfer( + struct libusb_transfer *transfer, libusb_device_handle *dev_handle, + unsigned char endpoint, uint32_t stream_id, + unsigned char *buffer, int length, libusb_transfer_cb_fn callback, + void *user_data, unsigned int timeout) +{ + libusb_fill_bulk_transfer(transfer, dev_handle, endpoint, buffer, + length, callback, user_data, timeout); + transfer->type = LIBUSB_TRANSFER_TYPE_BULK_STREAM; + libusb_transfer_set_stream_id(transfer, stream_id); +} + +/** \ingroup asyncio + * Helper function to populate the required \ref libusb_transfer fields * for an interrupt transfer. * * \param transfer the transfer to populate @@ -1285,7 +1690,7 @@ static inline unsigned char *libusb_get_iso_packet_buffer( * signed to avoid compiler warnings. FIXME for libusb-2. */ if (packet > INT_MAX) return NULL; - _packet = packet; + _packet = (int) packet; if (_packet >= transfer->num_iso_packets) return NULL; @@ -1325,12 +1730,12 @@ static inline unsigned char *libusb_get_iso_packet_buffer_simple( * signed to avoid compiler warnings. FIXME for libusb-2. */ if (packet > INT_MAX) return NULL; - _packet = packet; + _packet = (int) packet; if (_packet >= transfer->num_iso_packets) return NULL; - return transfer->buffer + (transfer->iso_packet_desc[0].length * _packet); + return transfer->buffer + ((int) transfer->iso_packet_desc[0].length * _packet); } /* sync I/O */ @@ -1363,8 +1768,8 @@ static inline int libusb_get_descriptor(libusb_device_handle *dev, uint8_t desc_type, uint8_t desc_index, unsigned char *data, int length) { return libusb_control_transfer(dev, LIBUSB_ENDPOINT_IN, - LIBUSB_REQUEST_GET_DESCRIPTOR, (desc_type << 8) | desc_index, 0, data, - (uint16_t) length, 1000); + LIBUSB_REQUEST_GET_DESCRIPTOR, (uint16_t) ((desc_type << 8) | desc_index), + 0, data, (uint16_t) length, 1000); } /** \ingroup desc @@ -1459,6 +1864,133 @@ void LIBUSB_CALL libusb_set_pollfd_notifiers(libusb_context *ctx, libusb_pollfd_added_cb added_cb, libusb_pollfd_removed_cb removed_cb, void *user_data); +/** \ingroup hotplug + * Callback handle. + * + * Callbacks handles are generated by libusb_hotplug_register_callback() + * and can be used to deregister callbacks. Callback handles are unique + * per libusb_context and it is safe to call libusb_hotplug_deregister_callback() + * on an already deregisted callback. + * + * Since version 1.0.16, \ref LIBUSB_API_VERSION >= 0x01000102 + * + * For more information, see \ref hotplug. + */ +typedef int libusb_hotplug_callback_handle; + +/** \ingroup hotplug + * + * Since version 1.0.16, \ref LIBUSB_API_VERSION >= 0x01000102 + * + * Flags for hotplug events */ +typedef enum { + /** Arm the callback and fire it for all matching currently attached devices. */ + LIBUSB_HOTPLUG_ENUMERATE = 1, +} libusb_hotplug_flag; + +/** \ingroup hotplug + * + * Since version 1.0.16, \ref LIBUSB_API_VERSION >= 0x01000102 + * + * Hotplug events */ +typedef enum { + /** A device has been plugged in and is ready to use */ + LIBUSB_HOTPLUG_EVENT_DEVICE_ARRIVED = 0x01, + + /** A device has left and is no longer available. + * It is the user's responsibility to call libusb_close on any handle associated with a disconnected device. + * It is safe to call libusb_get_device_descriptor on a device that has left */ + LIBUSB_HOTPLUG_EVENT_DEVICE_LEFT = 0x02, +} libusb_hotplug_event; + +/** \ingroup hotplug + * Wildcard matching for hotplug events */ +#define LIBUSB_HOTPLUG_MATCH_ANY -1 + +/** \ingroup hotplug + * Hotplug callback function type. When requesting hotplug event notifications, + * you pass a pointer to a callback function of this type. + * + * This callback may be called by an internal event thread and as such it is + * recommended the callback do minimal processing before returning. + * + * libusb will call this function later, when a matching event had happened on + * a matching device. See \ref hotplug for more information. + * + * It is safe to call either libusb_hotplug_register_callback() or + * libusb_hotplug_deregister_callback() from within a callback function. + * + * Since version 1.0.16, \ref LIBUSB_API_VERSION >= 0x01000102 + * + * \param ctx context of this notification + * \param device libusb_device this event occurred on + * \param event event that occurred + * \param user_data user data provided when this callback was registered + * \returns bool whether this callback is finished processing events. + * returning 1 will cause this callback to be deregistered + */ +typedef int (LIBUSB_CALL *libusb_hotplug_callback_fn)(libusb_context *ctx, + libusb_device *device, + libusb_hotplug_event event, + void *user_data); + +/** \ingroup hotplug + * Register a hotplug callback function + * + * Register a callback with the libusb_context. The callback will fire + * when a matching event occurs on a matching device. The callback is + * armed until either it is deregistered with libusb_hotplug_deregister_callback() + * or the supplied callback returns 1 to indicate it is finished processing events. + * + * If the \ref LIBUSB_HOTPLUG_ENUMERATE is passed the callback will be + * called with a \ref LIBUSB_HOTPLUG_EVENT_DEVICE_ARRIVED for all devices + * already plugged into the machine. Note that libusb modifies its internal + * device list from a separate thread, while calling hotplug callbacks from + * libusb_handle_events(), so it is possible for a device to already be present + * on, or removed from, its internal device list, while the hotplug callbacks + * still need to be dispatched. This means that when using \ref + * LIBUSB_HOTPLUG_ENUMERATE, your callback may be called twice for the arrival + * of the same device, once from libusb_hotplug_register_callback() and once + * from libusb_handle_events(); and/or your callback may be called for the + * removal of a device for which an arrived call was never made. + * + * Since version 1.0.16, \ref LIBUSB_API_VERSION >= 0x01000102 + * + * \param[in] ctx context to register this callback with + * \param[in] events bitwise or of events that will trigger this callback. See \ref + * libusb_hotplug_event + * \param[in] flags hotplug callback flags. See \ref libusb_hotplug_flag + * \param[in] vendor_id the vendor id to match or \ref LIBUSB_HOTPLUG_MATCH_ANY + * \param[in] product_id the product id to match or \ref LIBUSB_HOTPLUG_MATCH_ANY + * \param[in] dev_class the device class to match or \ref LIBUSB_HOTPLUG_MATCH_ANY + * \param[in] cb_fn the function to be invoked on a matching event/device + * \param[in] user_data user data to pass to the callback function + * \param[out] handle pointer to store the handle of the allocated callback (can be NULL) + * \returns LIBUSB_SUCCESS on success LIBUSB_ERROR code on failure + */ +int LIBUSB_CALL 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 *handle); + +/** \ingroup hotplug + * Deregisters a hotplug callback. + * + * Deregister a callback from a libusb_context. This function is safe to call from within + * a hotplug callback. + * + * Since version 1.0.16, \ref LIBUSB_API_VERSION >= 0x01000102 + * + * \param[in] ctx context this callback is registered with + * \param[in] handle the handle of the callback to deregister + */ +void LIBUSB_CALL libusb_hotplug_deregister_callback(libusb_context *ctx, + libusb_hotplug_callback_handle handle); + #ifdef __cplusplus } #endif |