LimeRFE USB support (1)

2026-06-04 06:54:39 -04:00 · 2020-01-12 01:10:51 +01:00
parent 664dc41550
commit 1cae76ded7
14 changed files with 1987 additions and 1 deletions
@@ -0,0 +1,122 @@
+///////////////////////////////////////////////////////////////////////////////////
+// Copyright (C) 2020 Edouard Griffiths, F4EXB                                   //
+//                                                                               //
+// This program is free software; you can redistribute it and/or modify          //
+// it under the terms of the GNU General Public License as published by          //
+// the Free Software Foundation as version 3 of the License, or                  //
+// (at your option) any later version.                                           //
+//                                                                               //
+// This program 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 General Public License V3 for more details.                               //
+//                                                                               //
+// You should have received a copy of the GNU General Public License             //
+// along with this program. If not, see <http://www.gnu.org/licenses/>.          //
+///////////////////////////////////////////////////////////////////////////////////
+
+#include <string.h>
+#include <regex>
+
+#if defined(__WINDOWS__)
+#include <Windows.h>
+#include <winbase.h>
+#include <tchar.h>
+#elif defined(__linux__)
+#include <dirent.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#endif
+
+#include "serialutil.h"
+
+#if defined(__WINDOWS__)
+void SerialUtil::getComPorts(std::vector<std::string>& comPorts, const std::string& regexStr)
+{
+    (void) regexStr;
+	TCHAR lpTargetPath[5000]; // buffer to store the path of the COMPORTS
+	DWORD test;
+	bool gotPort = 0; // in case the port is not found
+
+	char portName[100];
+
+	for (int i = 0; i<255; i++) // checking ports from COM0 to COM255
+	{
+		sprintf(portName, "COM%d", i);
+
+		test = QueryDosDeviceA((LPCSTR)portName, (LPSTR)lpTargetPath, 5000);
+
+		// Test the return value and error if any
+		if (test != 0) //QueryDosDevice returns zero if it didn't find an object
+		{
+			comPorts.push_back(std::string(portName));
+		}
+
+		if (::GetLastError() == ERROR_INSUFFICIENT_BUFFER)
+		{
+			lpTargetPath[10000]; // in case the buffer got filled, increase size of the buffer.
+			continue;
+		}
+	}
+}
+#elif defined(__linux__)
+void SerialUtil::getComPorts(std::vector<std::string>& comPorts, const std::string& regexStr)
+{
+    int n;
+    struct dirent **namelist;
+    comPorts.clear();
+    const char* sysdir = "/sys/class/tty/";
+    struct stat fileStat;
+    std::regex devRegex(regexStr);
+    std::smatch devMatch;
+    std::string devString = "/dev/";
+
+    // Scan through /sys/class/tty - it contains all tty-devices in the system
+    n = scandir(sysdir, &namelist, NULL, alphasort);
+    if (n < 0)
+    {
+        perror("scandir");
+    }
+    else
+    {
+        while (n--)
+        {
+            if (strcmp(namelist[n]->d_name, "..") && strcmp(namelist[n]->d_name, "."))
+            {
+                // Construct full absolute file path
+                std::string fullpath = sysdir;
+                std::string devName = std::string(namelist[n]->d_name);
+                fullpath += devName;
+                fullpath += std::string("/device");
+
+                if (lstat(fullpath.c_str(), &fileStat) == 0)
+                {
+                    if (regexStr.size() != 0)
+                    {
+                        std::regex_search(devName, devMatch, devRegex);
+
+                        if (devMatch.size() != 0) {
+                            comPorts.push_back(devString + devName);
+                        }
+                    }
+                    else
+                    {
+                        comPorts.push_back(devString + devName);
+                    }
+                }
+            }
+
+            free(namelist[n]);
+        }
+
+        free(namelist);
+    }
+}
+#else // not supported
+void SerialUtil::getComPorts(std::vector<std::string>& comPorts, const std::string& regexStr)
+{
+    (void) comPorts;
+    (void) regexStr;
+}
+#endif