pic18f4550 usb 驱动库文件

/********************************************************************* * * MPUSBAPI Library Version 1.00 * ********************************************************************* * FileName: _mpusbapi.cpp * Dependencies: See #include section below. * Compiler: Borland C++ Builder 6 * Company: Copyright (C) 2004 by Microchip Technology, Inc. * * Software License Agreement * * The software supplied herewith by Microchip Technology Incorporated * (the “Company”) for its PICmicro® Microcontroller is intended and * supplied to you, the Company’s customer, for use solely and * exclusively on Microchip PICmicro Microcontroller products. The * software is owned by the Company and/or its supplier, and is * protected under applicable copyright laws. All rights are reserved. * Any use in violation of the foregoing restrictions may subject the * user to criminal sanctions under applicable laws, as well as to * civil liability for the breach of the terms and conditions of this * license. * * THIS SOFTWARE IS PROVIDED IN AN “AS IS” CONDITION. NO WARRANTIES, * WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING, BUT NOT LIMITED * TO, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A * PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. THE COMPANY SHALL NOT, * IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL OR * CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER. * * Author Date Comment *~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ * Ross Fosler 9/2/04 Implemented MPUSBGetDeviceLink() * Rawin Rojvanit 11/19/04 Original version 1.00 completed ********************************************************************/ #include <stdio.h> #include <windows.h> #include <string.h> #include <setupapi.h> #include <initguid.h> #include <winioctl.h> #include "ioctls.h" #include "_mpusbapi.h" #define MPUSBAPI_VERSION 0x00010000L #define MPUSB_DEV_NO_INFO 2 #define MPUSB_DEV_INVALID_INST 3 #define MPUSB_DEV_VIDPID_NOT_FOUND 4 #define MPUSB_DEV_NOT_ATTACHED 5 #pragma argsused int WINAPI DllEntryPoint(HINSTANCE hinst, unsigned long reason, void* lpReserved) { return 1; } /////////////////////////////////////////////////////////////////////////////// // MPUSBGetDLLVersion : get mpusbapi.dll revision level // // Input: // None // Output: // 32-bit revision level MMMMmmmm // DWORD MPUSBGetDLLVersion(void) { return MPUSBAPI_VERSION; }//end MPUSBGetDLLVersion /////////////////////////////////////////////////////////////////////////////// // MPUSBIsVidPidEqual : Compares the pVID_PID string against the DeviceInstance // string retrieved from the registry using the DevicePath subkey. // This function should be called only from MPUSBGetDevicePath(). // // Note: // All Windows version has the DeviceClasses information stored in: // HKEY_LOCAL_MACHINE\\System\\CurrentControlSet\\Control\\DeviceClasses\\ // {GUID_DEVINTERFACE_MCHPUSB}\\<DevicePath> // Win98SE,ME have different DevicePath string format from 2K,XP. // It does not contain vid&pid information in the DevicePath. // Thus necessitating the needs to check the DeviceInstance string in the // registry. // // Note that "input" and "output" refer to the parameter designations in calls // to this function, which are the opposite of common sense from the // perspective of an application making the calls. // DWORD MPUSBIsVidPidEqual(PCHAR pDevicePath, PCHAR pVID_PID) { DWORD dwResult = MPUSB_FAIL; char lszValue[255]; char lpSubKey[512]; HKEY hKey; LONG returnStatus; DWORD dwType=REG_SZ; DWORD dwSize=255; GUID guid = GUID_DEVINTERFACE_MCHPUSB; /* Modify DevicePath to use registry format */ pDevicePath[0] = '#'; pDevicePath[1] = '#'; pDevicePath[3] = '#'; /* Form SubKey */ wsprintf(lpSubKey, "SYSTEM\\CURRENTCONTROLSET\\CONTROL\\DEVICECLASSES\\{%4.2x-%2.2x-%2.2x-%.2x%.2x-%.2x%.2x%.2x%.2x%.2x%.2x}\\%s", 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],pDevicePath); /* Open Key */ returnStatus = RegOpenKeyEx(HKEY_LOCAL_MACHINE, lpSubKey, 0L, KEY_ALL_ACCESS, &hKey); if(returnStatus == ERROR_SUCCESS) { returnStatus = RegQueryValueEx(hKey, "DeviceInstance", NULL, &dwType, (LPBYTE)&lszValue, &dwSize); if(returnStatus == ERROR_SUCCESS) { /* * The string info stored in 'DeviceInstance' is the same * across all Windows platforms: 98SE, ME, 2K, and XP. * Upper-case in 98SE,ME. * Converts all to lower-case anyway. */ strlwr(lszValue); if(strstr(lszValue,pVID_PID) != NULL) { dwResult = MPUSB_SUCCESS; } } } RegCloseKey(hKey); /* Modify DevicePath to use the original format */ pDevicePath[0] = '\\'; pDevicePath[1] = '\\'; pDevicePath[3] = '\\'; return dwResult; }//end /////////////////////////////////////////////////////////////////////////////// // MPUSBGetDeviceLink : Returns the path to device hardware with a given // instance number. // // Note that "input" and "output" refer to the parameter designations in calls // to this function, which are the opposite of common sense from the // perspective of an application making the calls. // DWORD MPUSBGetDeviceLink(DWORD instance, // Input PCHAR pVID_PID, // Input PCHAR pPath, // Output DWORD dwLen, // Input PDWORD pLength) // Output { if(pLength != NULL)*pLength = 0; // Initialization HDEVINFO info = SetupDiGetClassDevs((LPGUID)&GUID_DEVINTERFACE_MCHPUSB, NULL, NULL, DIGCF_PRESENT|DIGCF_DEVICEINTERFACE); if(info==INVALID_HANDLE_VALUE) { SetupDiDestroyDeviceInfoList(info); return MPUSB_DEV_NO_INFO; }// end if // Get interface data for the requested instance SP_DEVICE_INTERFACE_DATA intf_data; intf_data.cbSize = sizeof(SP_DEVICE_INTERFACE_DATA); if(!SetupDiEnumDeviceInterfaces(info, NULL, (LPGUID)&GUID_DEVINTERFACE_MCHPUSB, instance, &intf_data)) { SetupDiDestroyDeviceInfoList(info); return MPUSB_DEV_INVALID_INST; }// end if // Get size of symbolic link DWORD ReqLen; SetupDiGetDeviceInterfaceDetail(info, &intf_data, NULL, 0, &ReqLen, NULL); PSP_DEVICE_INTERFACE_DETAIL_DATA intf_detail = \ (PSP_DEVICE_INTERFACE_DETAIL_DATA)(new char[ReqLen]); if( intf_detail == NULL) { SetupDiDestroyDeviceInfoList(info); delete intf_detail; return MPUSB_DEV_NO_INFO; }// end if // Get symbolic link name intf_detail->cbSize = sizeof(SP_DEVICE_INTERFACE_DETAIL_DATA); // sizeof(SP_DEVICE_INTERFACE_DETAIL_DATA) should equals 5. // In C++ Builder, go to Project/Options/Advanced Compiler/Data Alignment // and select "byte" align. if(!SetupDiGetDeviceInterfaceDetail(info, &intf_data, i