28#include <wx/msw/winundef.h>
36#pragma GCC diagnostic push
37#pragma GCC diagnostic ignored "-Wmaybe-uninitialized"
39#pragma GCC diagnostic pop
42#include <unordered_set>
55#include "androidUTIL.h"
59#ifdef OCPN_USE_NEWSERIAL
71#ifdef HAVE_LINUX_SERIAL_H
72#include "linux/serial.h"
75#ifdef HAVE_SYS_IOCTL_H
83#ifdef HAVE_SYS_FCNTL_H
87#ifdef HAVE_SYS_TYPES_H
97#include <linux/serial.h>
106#include "model/macutils.h"
109#include "model/config_vars.h"
110#include "model/garmin_protocol_mgr.h"
113DEFINE_GUID(GARMIN_DETECT_GUID, 0x2c9c45c2L, 0x8e7d, 0x4c08, 0xa1, 0x2d, 0x81,
114 0x6b, 0xba, 0xe7, 0x22, 0xc0);
119#ifndef GUID_CLASS_COMPORT
120DEFINE_GUID(GUID_CLASS_COMPORT, 0x86e0d1e0L, 0x8089, 0x11d0, 0x9c, 0xe4, 0x08,
121 0x00, 0x3e, 0x30, 0x1f, 0x73);
128 device_data(
const std::string& p,
const std::string& i) : info(i), path(p) {}
134 symlink(
const std::string& p,
const std::string& t) : path(p), target(t) {}
138static int isTTYreal(
const char* dev) {
139 if (strncmp(
"/dev/tty0", dev, 9) == 0)
return 1;
140 if (strncmp(
"/dev/ttyU", dev, 9) == 0)
return 1;
141 if (strcmp(
"/dev/gps", dev) == 0)
return 1;
145#elif defined(HAVE_LINUX_SERIAL_H) && defined(HAVE_SYS_STAT_H)
148static std::string device_path(
const char* dev) {
149 if (strstr(dev,
"/sysfs/") != 0)
return std::string(dev);
150 std::string path(dev);
151 return std::string(
"/dev") + path.substr(path.rfind(
'/'));
154static int isTTYreal(
const char* dev) {
156#pragma GCC diagnostic push
157#pragma GCC diagnostic ignored "-Wmaybe-uninitialized"
163 std::string path = device_path(dev);
164 int fd = open(path.c_str(), O_RDONLY | O_NONBLOCK | O_NOCTTY);
166 struct serial_struct serinfo;
167 if (ioctl(fd, TIOCGSERIAL, &serinfo) == 0) {
168 ok = serinfo.type != PORT_UNKNOWN;
173 if (ioctl(fd, TIOCMGET, &modem_sts) == 0) {
174 ok = (modem_sts & (TIOCM_CTS | TIOCM_LE | TIOCM_DSR)) != 0;
178 if (fd >= 0) close(fd);
182 static const std::vector<std::regex> patterns = {
183 std::regex(
"ttyS[0-3]$", std::regex_constants::ECMAScript),
184 std::regex(
"ttyUSB", std::regex_constants::ECMAScript),
185 std::regex(
"ttyACM", std::regex_constants::ECMAScript),
186 std::regex(
"ttyAMA", std::regex_constants::ECMAScript)};
187 for (
auto re : patterns) {
188 if (std::regex_search(dev, re)) {
196#pragma GCC diagnostic pop
200static int isTTYreal(
const char* dev) {
return 1; }
205 return isTTYreal(data.path.c_str());
208#if defined(HAVE_DIRENT_H) && defined(HAVE_READLINK)
210#define HAVE_SYSFS_PORTS
213static std::vector<std::string> get_device_candidates() {
214 std::vector<std::string> devices;
217 dir = opendir(
"/sys/class/tty");
219 wxLogWarning(
"Cannot open /sys/class/tty: %s", strerror(errno));
222 const std::string prefix(
"/dev/");
223 for (ent = readdir(dir); ent; ent = readdir(dir)) {
224 devices.push_back(prefix + ent->d_name);
231static std::vector<struct symlink> get_all_links() {
232 std::vector<struct symlink> links;
235 dir = opendir(
"/dev");
237 wxLogError(
"Cannot open /dev: %s", strerror(errno));
240 const std::string prefix(
"/dev/");
241 for (ent = readdir(dir); ent; ent = readdir(dir)) {
243 const std::string path(prefix + ent->d_name);
244 int r = lstat(path.c_str(), &buf);
246 wxLogDebug(
"get_all_links: Cannot stat %s: %s", path.c_str(),
248 }
else if (S_ISLNK(buf.st_mode)) {
249 char buff[PATH_MAX + 1];
250 assert(readlink(path.c_str(), buff, PATH_MAX) >= 0);
251 std::string target(buff);
252 struct symlink link(path.c_str(), prefix + target);
253 links.push_back(link);
261static wxArrayString* EnumerateSysfsSerialPorts(
void) {
262 std::vector<std::string> ports;
263 auto all_ports = get_device_candidates();
264 wxLogDebug(
"Enumerate: found %d candidates", all_ports.size());
265 for (
auto p : all_ports) {
266 if (isTTYreal(p.c_str())) ports.push_back(p);
268 wxLogDebug(
"Enumerate: found %d good ports", ports.size());
270 std::unordered_set<std::string>(ports.begin(), ports.end());
272 auto all_links = get_all_links();
273 wxLogDebug(
"Enumerate: found %d links", all_links.size());
274 for (
auto l : all_links) {
275 if (targets.find(l.target) != targets.end()) ports.push_back(l.path);
277 wxLogDebug(
"Enumerate: found %d devices", ports.size());
279 auto wx_ports =
new wxArrayString();
280 for (
auto p : ports) {
288#if defined(HAVE_LIBUDEV)
291static std::string get_device_info(
struct udev_device* ud) {
293 const char* prop = udev_device_get_property_value(ud,
"ID_VENDOR");
294 if (prop) info += prop;
295 prop = udev_device_get_property_value(ud,
"ID_MODEL");
296 if (prop) info += std::string(
" - ") + prop;
301#pragma GCC diagnostic push
302#pragma GCC diagnostic ignored "-Wmaybe-uninitialized"
305static std::vector<struct device_data> get_links(
struct udev_device* dev,
306 const std::regex& exclude) {
307 std::vector<struct device_data> items;
308 std::string info(
" link -> ");
309 info += udev_device_get_devnode(dev);
310 struct udev_list_entry* link = udev_device_get_devlinks_list_entry(dev);
312 const char* linkname = udev_list_entry_get_name(link);
313 if (!std::regex_search(linkname, exclude)) {
315 items.push_back(item);
317 link = udev_list_entry_get_next(link);
322static std::vector<struct device_data> enumerate_udev_ports(
struct udev* udev) {
323 struct udev_enumerate* enumerate = udev_enumerate_new(udev);
324 udev_enumerate_add_match_subsystem(enumerate,
"tty");
325 udev_enumerate_scan_devices(enumerate);
326 struct udev_list_entry* devices = udev_enumerate_get_list_entry(enumerate);
328 const std::regex bad_ttys(
".*tty[0-9][0-9]|^/dev/serial/.*|.*ttyS[0-9][0-9]");
329 std::vector<struct device_data> items;
330 struct udev_list_entry* entry;
331 udev_list_entry_foreach(entry, devices) {
332 const char*
const path = udev_list_entry_get_name(entry);
333 struct udev_device* device = udev_device_new_from_syspath(udev, path);
334 const char*
const devnode = udev_device_get_devnode(device);
335 struct device_data item(devnode, get_device_info(device));
336 if (!std::regex_search(devnode, bad_ttys) &&
337 (isTTYreal(path) || item.info.length() > 0)) {
338 items.push_back(item);
339 auto links = get_links(device, bad_ttys);
340 items.insert(items.end(), links.begin(), links.end());
342 udev_device_unref(device);
347#pragma GCC diagnostic pop
348static wxArrayString* EnumerateUdevSerialPorts(
void) {
349 struct udev* udev = udev_new();
350 auto dev_items = enumerate_udev_ports(udev);
351 wxArrayString* ports =
new wxArrayString;
352 for (
const auto& item : dev_items) {
353 std::string port(item.path);
354 if (item.info.size() > 0) port += std::string(
" - ") + item.info;
363static wxArrayString* EnumerateWindowsSerialPorts(
void) {
364 wxArrayString* preturn =
new wxArrayString;
375 for (
int i = 1; i < g_nCOMPortCheck; i++) {
377 s.Printf(_T(
"COM%d"), i);
380 DWORD dwSize =
sizeof(COMMCONFIG);
381 if (GetDefaultCommConfig(s.fn_str(), &cc, &dwSize))
382 preturn->Add(wxString(s));
391 for (
int j=1; j<256; j++)
394 sprintf(s,
"\\\\.\\COM%d", j);
397 BOOL bSuccess = FALSE;
398 HANDLE hComm = ::CreateFile(s, GENERIC_READ | GENERIC_WRITE, 0, 0, OPEN_EXISTING, 0, 0);
401 if (hComm == INVALID_HANDLE_VALUE)
403 DWORD dwError = GetLastError();
405 if (dwError == ERROR_ACCESS_DENIED ||
406 dwError == ERROR_GEN_FAILURE ||
407 dwError == ERROR_SHARING_VIOLATION ||
408 dwError == ERROR_SEM_TIMEOUT)
418 preturn->Add(wxString(s));
426 GUID* guidDev = (GUID*)&GUID_CLASS_COMPORT;
428 HDEVINFO hDevInfo = INVALID_HANDLE_VALUE;
430 hDevInfo = SetupDiGetClassDevs(guidDev, NULL, NULL,
431 DIGCF_PRESENT | DIGCF_DEVICEINTERFACE);
433 if (hDevInfo != INVALID_HANDLE_VALUE) {
435 SP_DEVICE_INTERFACE_DATA ifcData;
437 ifcData.cbSize =
sizeof(SP_DEVICE_INTERFACE_DATA);
438 for (DWORD ii = 0; bOk; ii++) {
439 bOk = SetupDiEnumDeviceInterfaces(hDevInfo, NULL, guidDev, ii, &ifcData);
443 SP_DEVINFO_DATA devdata = {
sizeof(SP_DEVINFO_DATA)};
444 bOk = SetupDiGetDeviceInterfaceDetail(hDevInfo, &ifcData, NULL, 0, NULL,
449 if (GetLastError() ==
455 TCHAR fname[256] = {0};
456 TCHAR desc[256] = {0};
458 BOOL bSuccess = SetupDiGetDeviceRegistryProperty(
459 hDevInfo, &devdata, SPDRP_FRIENDLYNAME, NULL, (PBYTE)fname,
460 sizeof(fname), NULL);
462 bSuccess = bSuccess && SetupDiGetDeviceRegistryProperty(
463 hDevInfo, &devdata, SPDRP_DEVICEDESC, NULL,
464 (PBYTE)desc,
sizeof(desc), NULL);
469 bool bFoundCom =
false;
471 HKEY hDeviceRegistryKey =
472 SetupDiOpenDevRegKey(hDevInfo, &devdata, DICS_FLAG_GLOBAL, 0,
473 DIREG_DEV, KEY_QUERY_VALUE);
474 if (INVALID_HANDLE_VALUE != hDeviceRegistryKey) {
477 LPCWSTR cstr = wport;
478 MultiByteToWideChar(0, 0,
"PortName", -1, wport, 80);
479 DWORD len =
sizeof(dname);
481 int result = RegQueryValueEx(hDeviceRegistryKey, cstr, 0,
482 &RegKeyType, (PBYTE)dname, &len);
483 if (result == 0) bFoundCom =
true;
487 wxString port(dname, wxConvUTF8);
492 for (
unsigned int n = 0; n < preturn->GetCount(); n++) {
493 if ((preturn->Item(n)).IsSameAs(port)) {
494 preturn->RemoveAt(n);
498 wxString desc_name(desc, wxConvUTF8);
511 HDEVINFO hdeviceinfo = INVALID_HANDLE_VALUE;
513 hdeviceinfo = SetupDiGetClassDevs((GUID*)&GARMIN_DETECT_GUID, NULL, NULL,
514 DIGCF_PRESENT | DIGCF_INTERFACEDEVICE);
516 if (hdeviceinfo != INVALID_HANDLE_VALUE) {
517 if (GarminProtocolHandler::IsGarminPlugged()) {
518 wxLogMessage(_T(
"EnumerateSerialPorts() Found Garmin USB Device."));
519 preturn->Add(_T(
"Garmin-USB"));
524 SP_DEVICE_INTERFACE_DATA deviceinterface;
525 deviceinterface.cbSize =
sizeof(deviceinterface);
527 if (SetupDiEnumDeviceInterfaces(hdeviceinfo,
529 (GUID *) &GARMIN_DETECT_GUID,
533 wxLogMessage(_T(
"Found Garmin Device."));
535 preturn->Add(_T(
"GARMIN"));
543#if defined(OCPN_USE_SYSFS_PORTS) && defined(HAVE_SYSFS_PORTS)
545wxArrayString* EnumerateSerialPorts(
void) {
546 return EnumerateSysfsSerialPorts();
549#elif defined(OCPN_USE_UDEV_PORTS) && defined(HAVE_LIBUDEV)
551wxArrayString* EnumerateSerialPorts(
void) {
return EnumerateUdevSerialPorts(); }
553#elif defined(__ANDROID__)
555wxArrayString* EnumerateSerialPorts(
void) {
556 return androidGetSerialPortsArray();
559#elif defined(__WXOSX__)
561wxArrayString* EnumerateSerialPorts(
void) {
562 wxArrayString* preturn =
new wxArrayString;
563 char* paPortNames[MAX_SERIAL_PORTS];
566 memset(paPortNames, 0x00,
sizeof(paPortNames));
567 iPortNameCount = FindSerialPortNames(&paPortNames[0], MAX_SERIAL_PORTS);
568 for (
int iPortIndex = 0; iPortIndex < iPortNameCount; iPortIndex++) {
569 wxString sm(paPortNames[iPortIndex], wxConvUTF8);
571 free(paPortNames[iPortIndex]);
576#elif defined(__WXMSW__)
578wxArrayString* EnumerateSerialPorts(
void) {
579 return EnumerateWindowsSerialPorts();
582#elif defined(OCPN_USE_NEWSERIAL)
584wxArrayString* EnumerateSerialPorts(
void) {
585 wxArrayString* preturn =
new wxArrayString;
587 for (
auto it = ports.begin(); it != ports.end(); ++it) {
588 wxString port(it->port);
589 if (it->description.length() > 0 && it->description !=
"n/a") {
591 port.Append(wxString::FromUTF8((it->description).c_str()));
600#error "Cannot enumerate serial ports (missing libudev.h?)"
std::vector< PortInfo > list_ports()
Lists the serial ports available on the system.