52 lines
1.6 KiB
C++
52 lines
1.6 KiB
C++
//
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// Created by Mr.V on 2024/1/20.
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//
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#include "ComPortTool.h"
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// 字符串转换
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char* ComPortTool::wideCharToMultiByte(wchar_t* pWCStrKey)
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{
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//第一次调用确认转换后单字节字符串的长度，用于开辟空间
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int pSize = WideCharToMultiByte(CP_OEMCP, 0, pWCStrKey, wcslen(pWCStrKey), NULL, 0, NULL, NULL);
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char* pCStrKey = new char[pSize + 1];
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//第二次调用将双字节字符串转换成单字节字符串
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WideCharToMultiByte(CP_OEMCP, 0, pWCStrKey, wcslen(pWCStrKey), pCStrKey, pSize, NULL, NULL);
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pCStrKey[pSize] = '\0';
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return pCStrKey;
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//如果想要转换成string，直接赋值即可
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//string pKey = pCStrKey;
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}
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std::vector<std::string> ComPortTool::getComPort()
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{
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HKEY hKey;
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wchar_t portName[256], w_commName[256];
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std::vector<std::string> comName;
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//打开串口注册表对应的键值
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if (ERROR_SUCCESS == ::RegOpenKeyEx(HKEY_LOCAL_MACHINE, _T("Hardware\\DeviceMap\\SerialComm"), NULL, KEY_READ, &hKey))
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{
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int i = 0;
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int mm = 0;
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DWORD dwLong, dwSize;
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while (TRUE)
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{
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dwLong = dwSize = sizeof(portName);
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//枚举串口
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if (ERROR_NO_MORE_ITEMS == ::RegEnumValue(hKey, i, portName, &dwLong, NULL, NULL, (PUCHAR)w_commName, &dwSize))
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{
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break;
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}
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char* commName = wideCharToMultiByte(w_commName);
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comName.push_back(commName);
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delete[] commName;
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i++;
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}
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//关闭注册表
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RegCloseKey(hKey);
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}
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//返回串口号
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return comName;
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} |