Add Port menu to GUI
This commit is contained in:
PaulStoffregen
parent
1a666bdd3b
commit
fb9576c8c0
4 changed files with 385 additions and 8 deletions
292
portlist.cpp
Normal file
292
portlist.cpp
Normal file
|
|
@ -0,0 +1,292 @@
|
|||
/* Serial port object for use with wxWidgets
|
||||
* Copyright 2010, Paul Stoffregen (paul@pjrc.com)
|
||||
*/
|
||||
|
||||
#include "gui.h"
|
||||
|
||||
#if defined(LINUX)
|
||||
#include <sys/types.h>
|
||||
#include <fcntl.h>
|
||||
#include <errno.h>
|
||||
#include <sys/select.h>
|
||||
#include <termios.h>
|
||||
#include <unistd.h>
|
||||
#include <dirent.h>
|
||||
#include <sys/stat.h>
|
||||
#include <sys/ioctl.h>
|
||||
#include <linux/serial.h>
|
||||
#elif defined(MACOSX)
|
||||
#include <stdio.h>
|
||||
#include <string.h>
|
||||
#include <unistd.h>
|
||||
#include <fcntl.h>
|
||||
#include <sys/ioctl.h>
|
||||
#include <errno.h>
|
||||
#include <paths.h>
|
||||
#include <termios.h>
|
||||
#include <sysexits.h>
|
||||
#include <sys/param.h>
|
||||
#include <sys/select.h>
|
||||
#include <sys/time.h>
|
||||
#include <time.h>
|
||||
#include <CoreFoundation/CoreFoundation.h>
|
||||
#include <IOKit/IOKitLib.h>
|
||||
#include <IOKit/serial/IOSerialKeys.h>
|
||||
#include <IOKit/IOBSD.h>
|
||||
#elif defined(WINDOWS)
|
||||
#include <windows.h>
|
||||
#define win32_err(s) FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM, NULL, \
|
||||
GetLastError(), 0, (s), sizeof(s), NULL)
|
||||
#define QUERYDOSDEVICE_BUFFER_SIZE 262144
|
||||
#else
|
||||
#error "This platform is unsupported, sorry"
|
||||
#endif
|
||||
|
||||
|
||||
|
||||
#if defined(LINUX)
|
||||
// All linux serial port device names. Hopefully all of them anyway. This
|
||||
// is a long list, but each entry takes only a few bytes and a quick strcmp()
|
||||
static const char *devnames[] = {
|
||||
"S", // "normal" Serial Ports - MANY drivers using this
|
||||
"USB", // USB to serial converters
|
||||
"ACM", // USB serial modem, CDC class, Abstract Control Model
|
||||
"MI", // MOXA Smartio/Industio family multiport serial... nice card, I have one :-)
|
||||
"MX", // MOXA Intellio family multiport serial
|
||||
"C", // Cyclades async multiport, no longer available, but I have an old ISA one! :-)
|
||||
"D", // Digiboard (still in 2.6 but no longer supported), new Moschip MCS9901
|
||||
"P", // Hayes ESP serial cards (obsolete)
|
||||
"M", // PAM Software's multimodem & Multitech ISI-Cards
|
||||
"E", // Stallion intelligent multiport (no longer made)
|
||||
"L", // RISCom/8 multiport serial
|
||||
"W", // specialix IO8+ multiport serial
|
||||
"X", // Specialix SX series cards, also SI & XIO series
|
||||
"SR", // Specialix RIO serial card 257+
|
||||
"n", // Digi International Neo (yes lowercase 'n', drivers/serial/jsm/jsm_driver.c)
|
||||
"FB", // serial port on the 21285 StrongArm-110 core logic chip
|
||||
"AM", // ARM AMBA-type serial ports (no DTR/RTS)
|
||||
"AMA", // ARM AMBA-type serial ports (no DTR/RTS)
|
||||
"AT", // Atmel AT91 / AT32 Serial ports
|
||||
"BF", // Blackfin 5xx serial ports (Analog Devices embedded DSP chips)
|
||||
"CL", // CLPS711x serial ports (ARM processor)
|
||||
"A", // ICOM Serial
|
||||
"SMX", // Motorola IMX serial ports
|
||||
"SOIC", // ioc3 serial
|
||||
"IOC", // ioc4 serial
|
||||
"PSC", // Freescale MPC52xx PSCs configured as UARTs
|
||||
"MM", // MPSC (UART mode) on Marvell GT64240, GT64260, MV64340...
|
||||
"B", // Mux console found in some PA-RISC servers
|
||||
"NX", // NetX serial port
|
||||
"PZ", // PowerMac Z85c30 based ESCC cell found in the "macio" ASIC
|
||||
"SAC", // Samsung S3C24XX onboard UARTs
|
||||
"SA", // SA11x0 serial ports
|
||||
"AM", // KS8695 serial ports & Sharp LH7A40X embedded serial ports
|
||||
"TX", // TX3927/TX4927/TX4925/TX4938 internal SIO controller
|
||||
"SC", // Hitachi SuperH on-chip serial module
|
||||
"SG", // C-Brick Serial Port (and console) SGI Altix machines
|
||||
"HV", // SUN4V hypervisor console
|
||||
"UL", // Xilinx uartlite serial controller
|
||||
"VR", // NEC VR4100 series Serial Interface Unit
|
||||
"CPM", // CPM (SCC/SMC) serial ports; core driver
|
||||
"Y", // Amiga A2232 board
|
||||
"SL", // Microgate SyncLink ISA and PCI high speed multiprotocol serial
|
||||
"SLG", // Microgate SyncLink GT (might be sync HDLC only?)
|
||||
"SLM", // Microgate SyncLink Multiport high speed multiprotocol serial
|
||||
"CH", // Chase Research AT/PCI-Fast serial card
|
||||
"F", // Computone IntelliPort serial card
|
||||
"H", // Chase serial card
|
||||
"I", // virtual modems
|
||||
"R", // Comtrol RocketPort
|
||||
"SI", // SmartIO serial card
|
||||
"T", // Technology Concepts serial card
|
||||
"V" // Comtrol VS-1000 serial controller
|
||||
};
|
||||
#define NUM_DEVNAMES (sizeof(devnames) / sizeof(const char *))
|
||||
#endif
|
||||
|
||||
|
||||
|
||||
#if defined(MACOSX)
|
||||
static void macos_ports(io_iterator_t * PortIterator, wxArrayString& list)
|
||||
{
|
||||
io_object_t modemService;
|
||||
CFTypeRef nameCFstring;
|
||||
char s[MAXPATHLEN];
|
||||
|
||||
while ((modemService = IOIteratorNext(*PortIterator))) {
|
||||
nameCFstring = IORegistryEntryCreateCFProperty(modemService,
|
||||
CFSTR(kIOCalloutDeviceKey), kCFAllocatorDefault, 0);
|
||||
if (nameCFstring) {
|
||||
if (CFStringGetCString((const __CFString *)nameCFstring,
|
||||
s, sizeof(s), kCFStringEncodingASCII)) {
|
||||
list.Add(s);
|
||||
}
|
||||
CFRelease(nameCFstring);
|
||||
}
|
||||
IOObjectRelease(modemService);
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
|
||||
// Return a list of all serial ports
|
||||
wxArrayString serial_port_list()
|
||||
{
|
||||
wxArrayString list;
|
||||
#if defined(LINUX)
|
||||
// This is ugly guessing, but Linux doesn't seem to provide anything else.
|
||||
// If there really is an API to discover serial devices on Linux, please
|
||||
// email paul@pjrc.com with the info. Please?
|
||||
// The really BAD aspect is all ports get DTR raised briefly, because linux
|
||||
// has no way to open the port without raising DTR, and there isn't any way
|
||||
// to tell if the device file really represents hardware without opening it.
|
||||
// maybe sysfs or udev provides a useful API??
|
||||
DIR *dir;
|
||||
struct dirent *f;
|
||||
struct stat st;
|
||||
unsigned int i, len[NUM_DEVNAMES];
|
||||
char s[512];
|
||||
int fd, bits;
|
||||
termios mytios;
|
||||
|
||||
dir = opendir("/dev/");
|
||||
if (dir == NULL) return list;
|
||||
for (i=0; i<NUM_DEVNAMES; i++) len[i] = strlen(devnames[i]);
|
||||
// Read all the filenames from the /dev directory...
|
||||
while ((f = readdir(dir)) != NULL) {
|
||||
// ignore everything that doesn't begin with "tty"
|
||||
if (strncmp(f->d_name, "tty", 3)) continue;
|
||||
// ignore anything that's not a known serial device name
|
||||
for (i=0; i<NUM_DEVNAMES; i++) {
|
||||
if (!strncmp(f->d_name + 3, devnames[i], len[i])) break;
|
||||
}
|
||||
if (i >= NUM_DEVNAMES) continue;
|
||||
snprintf(s, sizeof(s), "/dev/%s", f->d_name);
|
||||
// check if it's a character type device (almost certainly is)
|
||||
if (stat(s, &st) != 0 || !(st.st_mode & S_IFCHR)) continue;
|
||||
// now see if we can open the file - if the device file is
|
||||
// populating /dev but doesn't actually represent a loaded
|
||||
// driver, this is where we will detect it.
|
||||
fd = open(s, O_RDONLY | O_NOCTTY | O_NONBLOCK);
|
||||
if (fd < 0) {
|
||||
// if permission denied, give benefit of the doubt
|
||||
// (otherwise the port will be invisible to the user
|
||||
// and we won't have a to alert them to the permssion
|
||||
// problem)
|
||||
if (errno == EACCES) list.Add(s);
|
||||
// any other error, assume it's not a real device
|
||||
continue;
|
||||
}
|
||||
// does it respond to termios requests? (probably will since
|
||||
// the name began with tty). Some devices where a single
|
||||
// driver exports multiple names will open but this is where
|
||||
// we can really tell if they work with real hardare.
|
||||
if (tcgetattr(fd, &mytios) != 0) {
|
||||
close(fd);
|
||||
continue;
|
||||
}
|
||||
// does it respond to reading the control signals? If it's
|
||||
// some sort of non-serial terminal (eg, pseudo terminals)
|
||||
// this is where we will detect it's not really a serial port
|
||||
if (ioctl(fd, TIOCMGET, &bits) < 0) {
|
||||
close(fd);
|
||||
continue;
|
||||
}
|
||||
// it passed all the tests, it's a serial port, or some sort
|
||||
// of "terminal" that looks exactly like a real serial port!
|
||||
close(fd);
|
||||
// unfortunately, Linux always raises DTR when open is called.
|
||||
// not nice! Every serial port is going to get DTR raised
|
||||
// and then lowered. I wish there were a way to prevent this,
|
||||
// but it seems impossible.
|
||||
list.Add(s);
|
||||
}
|
||||
closedir(dir);
|
||||
#elif defined(MACOSX)
|
||||
// adapted from SerialPortSample.c, by Apple
|
||||
// http://developer.apple.com/samplecode/SerialPortSample/listing2.html
|
||||
// and also testserial.c, by Keyspan
|
||||
// http://www.keyspan.com/downloads-files/developer/macosx/KesypanTestSerial.c
|
||||
// www.rxtx.org, src/SerialImp.c seems to be based on Keyspan's testserial.c
|
||||
// neither keyspan nor rxtx properly release memory allocated.
|
||||
// more documentation at:
|
||||
// http://developer.apple.com/documentation/DeviceDrivers/Conceptual/WorkingWSerial/WWSerial_SerialDevs/chapter_2_section_6.html
|
||||
mach_port_t masterPort;
|
||||
CFMutableDictionaryRef classesToMatch;
|
||||
io_iterator_t serialPortIterator;
|
||||
if (IOMasterPort(NULL, &masterPort) != KERN_SUCCESS) return list;
|
||||
// a usb-serial adaptor is usually considered a "modem",
|
||||
// especially when it implements the CDC class spec
|
||||
classesToMatch = IOServiceMatching(kIOSerialBSDServiceValue);
|
||||
if (!classesToMatch) return list;
|
||||
CFDictionarySetValue(classesToMatch, CFSTR(kIOSerialBSDTypeKey),
|
||||
CFSTR(kIOSerialBSDModemType));
|
||||
if (IOServiceGetMatchingServices(masterPort, classesToMatch,
|
||||
&serialPortIterator) != KERN_SUCCESS) return list;
|
||||
macos_ports(&serialPortIterator, list);
|
||||
IOObjectRelease(serialPortIterator);
|
||||
// but it might be considered a "rs232 port", so repeat this
|
||||
// search for rs232 ports
|
||||
classesToMatch = IOServiceMatching(kIOSerialBSDServiceValue);
|
||||
if (!classesToMatch) return list;
|
||||
CFDictionarySetValue(classesToMatch, CFSTR(kIOSerialBSDTypeKey),
|
||||
CFSTR(kIOSerialBSDRS232Type));
|
||||
if (IOServiceGetMatchingServices(masterPort, classesToMatch,
|
||||
&serialPortIterator) != KERN_SUCCESS) return list;
|
||||
macos_ports(&serialPortIterator, list);
|
||||
IOObjectRelease(serialPortIterator);
|
||||
#elif defined(WINDOWS)
|
||||
// http://msdn.microsoft.com/en-us/library/aa365461(VS.85).aspx
|
||||
// page with 7 ways - not all of them work!
|
||||
// http://www.naughter.com/enumser.html
|
||||
// may be possible to just query the windows registary
|
||||
// http://it.gps678.com/2/ca9c8631868fdd65.html
|
||||
// search in HKEY_LOCAL_MACHINE\HARDWARE\DEVICEMAP\SERIALCOMM
|
||||
// Vista has some special new way, vista-only
|
||||
// http://msdn2.microsoft.com/en-us/library/aa814070(VS.85).aspx
|
||||
char *buffer, *p;
|
||||
//DWORD size = QUERYDOSDEVICE_BUFFER_SIZE;
|
||||
DWORD ret;
|
||||
|
||||
buffer = (char *)malloc(QUERYDOSDEVICE_BUFFER_SIZE);
|
||||
if (buffer == NULL) return list;
|
||||
memset(buffer, 0, QUERYDOSDEVICE_BUFFER_SIZE);
|
||||
ret = QueryDosDeviceA(NULL, buffer, QUERYDOSDEVICE_BUFFER_SIZE);
|
||||
if (ret) {
|
||||
printf("Detect Serial using QueryDosDeviceA: ");
|
||||
for (p = buffer; *p; p += strlen(p) + 1) {
|
||||
printf(": %s", p);
|
||||
if (strncmp(p, "COM", 3)) continue;
|
||||
list.Add(wxString(p) + ":");
|
||||
}
|
||||
} else {
|
||||
char buf[1024];
|
||||
win32_err(buf);
|
||||
printf("QueryDosDeviceA failed, error \"%s\"\n", buf);
|
||||
printf("Detect Serial using brute force GetDefaultCommConfig probing: ");
|
||||
for (int i=1; i<=32; i++) {
|
||||
printf("try %s", buf);
|
||||
COMMCONFIG cfg;
|
||||
DWORD len;
|
||||
snprintf(buf, sizeof(buf), "COM%d", i);
|
||||
if (GetDefaultCommConfig(buf, &cfg, &len)) {
|
||||
wxString name;
|
||||
name.Printf("COM%d:", i);
|
||||
list.Add(name);
|
||||
printf(": %s", buf);
|
||||
}
|
||||
}
|
||||
}
|
||||
free(buffer);
|
||||
#endif
|
||||
list.Sort();
|
||||
return list;
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
Loading…
Add table
Add a link
Reference in a new issue