libusb+wingw源码（已经编译过）

/* * windows backend for libusb 1.0 * Copyright © 2009-2012 Pete Batard <pete@akeo.ie> * With contributions from Michael Plante, Orin Eman et al. * Parts of this code adapted from libusb-win32-v1 by Stephan Meyer * HID Reports IOCTLs inspired from HIDAPI by Alan Ott, Signal 11 Software * Hash table functions adapted from glibc, by Ulrich Drepper et al. * Major code testing contribution by Xiaofan Chen * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #include <config.h> #include <windows.h> #include <setupapi.h> #include <ctype.h> #include <errno.h> #include <fcntl.h> #include <process.h> #include <stdio.h> #include <inttypes.h> #include <objbase.h> #include <winioctl.h> #include "libusbi.h" #include "poll_windows.h" #include "windows_usb.h" // The 2 macros below are used in conjunction with safe loops. #define LOOP_CHECK(fcall) { r=fcall; if (r != LIBUSB_SUCCESS) continue; } #define LOOP_BREAK(err) { r=err; continue; } // Helper prototypes static int windows_get_active_config_descriptor(struct libusb_device *dev, unsigned char *buffer, size_t len, int *host_endian); static int windows_clock_gettime(int clk_id, struct timespec *tp); unsigned __stdcall windows_clock_gettime_threaded(void* param); // Common calls static int common_configure_endpoints(int sub_api, struct libusb_device_handle *dev_handle, int iface); // WinUSB-like API prototypes static int winusbx_init(int sub_api, struct libusb_context *ctx); static int winusbx_exit(int sub_api); static int winusbx_open(int sub_api, struct libusb_device_handle *dev_handle); static void winusbx_close(int sub_api, struct libusb_device_handle *dev_handle); static int winusbx_configure_endpoints(int sub_api, struct libusb_device_handle *dev_handle, int iface); static int winusbx_claim_interface(int sub_api, struct libusb_device_handle *dev_handle, int iface); static int winusbx_release_interface(int sub_api, struct libusb_device_handle *dev_handle, int iface); static int winusbx_submit_control_transfer(int sub_api, struct usbi_transfer *itransfer); static int winusbx_set_interface_altsetting(int sub_api, struct libusb_device_handle *dev_handle, int iface, int altsetting); static int winusbx_submit_bulk_transfer(int sub_api, struct usbi_transfer *itransfer); static int winusbx_clear_halt(int sub_api, struct libusb_device_handle *dev_handle, unsigned char endpoint); static int winusbx_abort_transfers(int sub_api, struct usbi_transfer *itransfer); static int winusbx_abort_control(int sub_api, struct usbi_transfer *itransfer); static int winusbx_reset_device(int sub_api, struct libusb_device_handle *dev_handle); static int winusbx_copy_transfer_data(int sub_api, struct usbi_transfer *itransfer, uint32_t io_size); // HID API prototypes static int hid_init(int sub_api, struct libusb_context *ctx); static int hid_exit(int sub_api); static int hid_open(int sub_api, struct libusb_device_handle *dev_handle); static void hid_close(int sub_api, struct libusb_device_handle *dev_handle); static int hid_claim_interface(int sub_api, struct libusb_device_handle *dev_handle, int iface); static int hid_release_interface(int sub_api, struct libusb_device_handle *dev_handle, int iface); static int hid_set_interface_altsetting(int sub_api, struct libusb_device_handle *dev_handle, int iface, int altsetting); static int hid_submit_control_transfer(int sub_api, struct usbi_transfer *itransfer); static int hid_submit_bulk_transfer(int sub_api, struct usbi_transfer *itransfer); static int hid_clear_halt(int sub_api, struct libusb_device_handle *dev_handle, unsigned char endpoint); static int hid_abort_transfers(int sub_api, struct usbi_transfer *itransfer); static int hid_reset_device(int sub_api, struct libusb_device_handle *dev_handle); static int hid_copy_transfer_data(int sub_api, struct usbi_transfer *itransfer, uint32_t io_size); // Composite API prototypes static int composite_init(int sub_api, struct libusb_context *ctx); static int composite_exit(int sub_api); static int composite_open(int sub_api, struct libusb_device_handle *dev_handle); static void composite_close(int sub_api, struct libusb_device_handle *dev_handle); static int composite_claim_interface(int sub_api, struct libusb_device_handle *dev_handle, int iface); static int composite_set_interface_altsetting(int sub_api, struct libusb_device_handle *dev_handle, int iface, int altsetting); static int composite_release_interface(int sub_api, struct libusb_device_handle *dev_handle, int iface); static int composite_submit_control_transfer(int sub_api, struct usbi_transfer *itransfer); static int composite_submit_bulk_transfer(int sub_api, struct usbi_transfer *itransfer); static int composite_submit_iso_transfer(int sub_api, struct usbi_transfer *itransfer); static int composite_clear_halt(int sub_api, struct libusb_device_handle *dev_handle, unsigned char endpoint); static int composite_abort_transfers(int sub_api, struct usbi_transfer *itransfer); static int composite_abort_control(int sub_api, struct usbi_transfer *itransfer); static int composite_reset_device(int sub_api, struct libusb_device_handle *dev_handle); static int composite_copy_transfer_data(int sub_api, struct usbi_transfer *itransfer, uint32_t io_size); // Global variables uint64_t hires_frequency, hires_ticks_to_ps; const uint64_t epoch_time = UINT64_C(116444736000000000); // 1970.01.01 00:00:000 in MS Filetime int windows_version = WINDOWS_UNDEFINED; static char windows_version_str[128] = "Windows Undefined"; // Concurrency static int concurrent_usage = -1; usbi_mutex_t autoclaim_lock; // Timer thread HANDLE timer_thread = NULL; DWORD timer_thread_id = 0; // API globals #define CHECK_WINUSBX_AVAILABLE(sub_api) do { if (sub_api == SUB_API_NOTSET) sub_api = priv->sub_api; \ if (!WinUSBX[sub_api].initialized) return LIBUSB_ERROR_ACCESS; } while(0) static struct winusb_interface WinUSBX[SUB_API_MAX]; const char* sub_api_name[SUB_API_MAX] = WINUSBX_DRV_NAMES; bool api_hid_available = false; #define CHECK_HID_AVAILABLE do { if (!api_hid_available) return LIBUSB_ERROR_ACCESS; } while (0) static inline BOOLEAN guid_eq(const GUID *guid1, const GUID *guid2) { if ((guid1 != NULL) && (guid2 != NULL)) { return (memcmp(guid1, guid2, sizeof(GUID)) == 0); } return false; } #if defined(ENABLE_LOGGING) static char* guid_to_string(const GUID* guid) { static char guid_string[MAX_GUID_STRING_LENGTH]; if (guid == NULL) return NULL; sprintf(guid_string, "{%08X-%04X-%04X-%02X%02X-%02X%02X%02X%02X%02X%02X}", (unsigned int)guid->Data1, guid->Data2, guid->Data3, guid->Data4[0], guid->Data4[1], guid->Data4[2], guid->Data4[3], guid->Data4[4], guid->Data4[5], guid->Data4[6], guid->Data4[7]); return guid_string; } #endif /* * Converts a windows error to human readable string * uses retval as errorcode, or, if 0, use GetLastError() */ #if defined(ENABLE_LOGGING) static char *windows_error_str(uint32_t retval) { static char err_string[ERR_BUFFER_SIZE]; DWORD size; ssize_t i; uint32_t error_code, format_error; error_code = retval?retval:GetLastError(); safe_sprintf(err_string, ERR_BUFFER_SIZE, "[%u] ", error_code); // Translate codes returned by SetupAPI. The ones we are dealing with are either // in 0x0000xxxx or 0xE000xxxx and can be distinguished from standard error codes. // See http://msdn.micr