Debian 10 下 Qt 5.12.3 使用libusb 1.0.26源码工程示例

/* * windows backend for libusb 1.0 * Copyright © 2009-2012 Pete Batard <pete@akeo.ie> * Copyright © 2016-2018 Chris Dickens <christopher.a.dickens@gmail.com> * 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 <stdio.h> #include "libusbi.h" #include "windows_winusb.h" #define HANDLE_VALID(h) (((h) != NULL) && ((h) != INVALID_HANDLE_VALUE)) // The below macro is used in conjunction with safe loops. #define LOOP_BREAK(err) \ { \ r = err; \ continue; \ } // WinUSB-like API prototypes static bool winusbx_init(struct libusb_context *ctx); static void winusbx_exit(void); 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, uint8_t iface); static int winusbx_claim_interface(int sub_api, struct libusb_device_handle *dev_handle, uint8_t iface); static int winusbx_release_interface(int sub_api, struct libusb_device_handle *dev_handle, uint8_t 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, uint8_t iface, uint8_t altsetting); static int winusbx_submit_iso_transfer(int sub_api, struct usbi_transfer *itransfer); 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_cancel_transfer(int sub_api, struct usbi_transfer *itransfer); static int winusbx_reset_device(int sub_api, struct libusb_device_handle *dev_handle); static enum libusb_transfer_status winusbx_copy_transfer_data(int sub_api, struct usbi_transfer *itransfer, DWORD length); // HID API prototypes static bool hid_init(struct libusb_context *ctx); static void hid_exit(void); 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, uint8_t iface); static int hid_release_interface(int sub_api, struct libusb_device_handle *dev_handle, uint8_t iface); static int hid_set_interface_altsetting(int sub_api, struct libusb_device_handle *dev_handle, uint8_t iface, uint8_t 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_reset_device(int sub_api, struct libusb_device_handle *dev_handle); static enum libusb_transfer_status hid_copy_transfer_data(int sub_api, struct usbi_transfer *itransfer, DWORD length); // Composite API prototypes 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, uint8_t iface); static int composite_set_interface_altsetting(int sub_api, struct libusb_device_handle *dev_handle, uint8_t iface, uint8_t altsetting); static int composite_release_interface(int sub_api, struct libusb_device_handle *dev_handle, uint8_t 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_cancel_transfer(int sub_api, struct usbi_transfer *itransfer); static int composite_reset_device(int sub_api, struct libusb_device_handle *dev_handle); static enum libusb_transfer_status composite_copy_transfer_data(int sub_api, struct usbi_transfer *itransfer, DWORD length); static usbi_mutex_t autoclaim_lock; // API globals static struct winusb_interface WinUSBX[SUB_API_MAX]; #define CHECK_WINUSBX_AVAILABLE(sub_api) \ do { \ if (sub_api == SUB_API_NOTSET) \ sub_api = priv->sub_api; \ if (WinUSBX[sub_api].hDll == NULL) \ return LIBUSB_ERROR_ACCESS; \ } while (0) #define CHECK_HID_AVAILABLE \ do { \ if (DLL_HANDLE_NAME(hid) == NULL) \ return LIBUSB_ERROR_ACCESS; \ } while (0) #if defined(ENABLE_LOGGING) static const char *guid_to_string(const GUID *guid, char guid_string[MAX_GUID_STRING_LENGTH]) { if (guid == NULL) { guid_string[0] = '\0'; return guid_string; } 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 static bool string_to_guid(const char guid_string[MAX_GUID_STRING_LENGTH], GUID *guid) { unsigned short tmp[4]; int num_chars = -1; char extra; int r; // Unfortunately MinGW complains that '%hhx' is not a valid format specifier, // even though Visual Studio 2013 and later support it. Rather than complicating // the logic in this function with '#ifdef's, use a temporary array on the stack // to store the conversions. r = sscanf(guid_string, "{%8x-%4hx-%4hx-%4hx-%4hx%4hx%4hx}%n%c", (unsigned int *)&guid->Data1, &guid->Data2, &guid->Data3, &tmp[0], &tmp[1], &tmp[2], &tmp[3], &num_chars, &extra); if ((r != 7) || (num_chars != 38)) return false; // Extract the bytes from the 2-byte shorts guid->Data4[0] = (unsigned char)((tmp[0] >> 8) & 0xFF); guid->Data4[1] = (unsigned char)(tmp[0] & 0xFF); guid->Data4[2] = (unsigned char)((tmp[1] >> 8) & 0xFF); guid->Data4[3] = (unsigned char)(tmp[1] & 0xFF); guid->Data4[4] = (unsigned char)((tmp[2] >> 8) & 0xFF); guid->Data4[5] = (unsigned char)(tmp[2] & 0xFF); guid->Data4[6] = (unsigned char)((tmp[3] >> 8) & 0xFF); guid->Data4[7] = (unsigned char)(tmp[3] & 0xFF); return true; } /* * Normalize Microsoft's paths: return a duplicate of the given path * with all characters converted to uppercase */ static char *normalize_path(const char *path) { char *ret_path = _strdup(path); char *p; if (ret_path == NULL) return NULL; for (p = ret_path; *p != '\0'; p++) *p = (char)toupper((unsigned char)*p); return ret_path; } /* * Cfgmgr32, AdvAPI32, OLE32 and SetupAPI DLL functions */ static bool init_dlls(struct libusb_context *ctx) { DLL_GET_HANDLE(ctx, Cfgmgr32); DLL_LOAD_FUNC(Cfgmgr32, CM_Get_Parent, true); DLL_LOAD_FUNC(Cfgmgr32, CM_Get_Child, true); // Prefixed to avoid conflict with he