mirror of
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122 lines
4.1 KiB
C++
122 lines
4.1 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2020 Edouard Griffiths, F4EXB //
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// //
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// This program is free software; you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation as version 3 of the License, or //
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// (at your option) any later version. //
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// //
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// This program is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License V3 for more details. //
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// //
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// You should have received a copy of the GNU General Public License //
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// along with this program. If not, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////
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#include <string.h>
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#include <regex>
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#if defined(__WINDOWS__)
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#include <Windows.h>
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#include <winbase.h>
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#include <tchar.h>
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#elif defined(__linux__)
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#include <dirent.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#endif
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#include "serialutil.h"
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#if defined(__WINDOWS__)
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void SerialUtil::getComPorts(std::vector<std::string>& comPorts, const std::string& regexStr)
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{
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(void) regexStr;
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TCHAR lpTargetPath[5000]; // buffer to store the path of the COMPORTS
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DWORD test;
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bool gotPort = 0; // in case the port is not found
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char portName[100];
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for (int i = 0; i<255; i++) // checking ports from COM0 to COM255
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{
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sprintf(portName, "COM%d", i);
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test = QueryDosDeviceA((LPCSTR)portName, (LPSTR)lpTargetPath, 5000);
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// Test the return value and error if any
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if (test != 0) //QueryDosDevice returns zero if it didn't find an object
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{
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comPorts.push_back(std::string(portName));
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}
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if (::GetLastError() == ERROR_INSUFFICIENT_BUFFER)
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{
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lpTargetPath[10000]; // in case the buffer got filled, increase size of the buffer.
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continue;
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}
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}
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}
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#elif defined(__linux__)
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void SerialUtil::getComPorts(std::vector<std::string>& comPorts, const std::string& regexStr)
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{
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int n;
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struct dirent **namelist;
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comPorts.clear();
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const char* sysdir = "/sys/class/tty/";
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struct stat fileStat;
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std::regex devRegex(regexStr);
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std::smatch devMatch;
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std::string devString = "/dev/";
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// Scan through /sys/class/tty - it contains all tty-devices in the system
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n = scandir(sysdir, &namelist, NULL, alphasort);
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if (n < 0)
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{
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perror("scandir");
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}
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else
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{
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while (n--)
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{
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if (strcmp(namelist[n]->d_name, "..") && strcmp(namelist[n]->d_name, "."))
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{
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// Construct full absolute file path
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std::string fullpath = sysdir;
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std::string devName = std::string(namelist[n]->d_name);
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fullpath += devName;
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fullpath += std::string("/device");
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if (lstat(fullpath.c_str(), &fileStat) == 0)
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{
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if (regexStr.size() != 0)
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{
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std::regex_search(devName, devMatch, devRegex);
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if (devMatch.size() != 0) {
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comPorts.push_back(devString + devName);
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}
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}
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else
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{
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comPorts.push_back(devString + devName);
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}
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}
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}
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free(namelist[n]);
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}
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free(namelist);
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}
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}
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#else // not supported
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void SerialUtil::getComPorts(std::vector<std::string>& comPorts, const std::string& regexStr)
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{
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(void) comPorts;
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(void) regexStr;
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}
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#endif |