--- /dev/null
+/*
+ * This file is part of the libserialport project.
+ *
+ * Copyright (C) 2013-2014 Martin Ling <martin-libserialport@earth.li>
+ * Copyright (C) 2014 Aurelien Jacobs <aurel@gnuage.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation, either 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 for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "libserialport.h"
+#include "libserialport_internal.h"
+
+enum sp_return get_port_details(struct sp_port *port)
+{
+ /* Description limited to 127 char,
+ anything longer would not be user friendly anyway */
+ char description[128];
+ int bus, address, vid, pid = -1;
+ char manufacturer[128], product[128], serial[128];
+ char baddr[32];
+ CFMutableDictionaryRef classes;
+ io_iterator_t iter;
+ io_object_t ioport;
+ CFTypeRef cf_property, cf_bus, cf_address, cf_vendor, cf_product;
+ Boolean result;
+ char path[PATH_MAX];
+
+ DEBUG("Getting serial port list");
+ if (!(classes = IOServiceMatching(kIOSerialBSDServiceValue)))
+ RETURN_FAIL("IOServiceMatching() failed");
+
+ if (IOServiceGetMatchingServices(kIOMasterPortDefault, classes,
+ &iter) != KERN_SUCCESS)
+ RETURN_FAIL("IOServiceGetMatchingServices() failed");
+
+ DEBUG("Iterating over results");
+ while ((ioport = IOIteratorNext(iter))) {
+ if (!(cf_property = IORegistryEntryCreateCFProperty(ioport,
+ CFSTR(kIOCalloutDeviceKey), kCFAllocatorDefault, 0))) {
+ IOObjectRelease(ioport);
+ continue;
+ }
+ result = CFStringGetCString(cf_property, path, sizeof(path),
+ kCFStringEncodingASCII);
+ CFRelease(cf_property);
+ if (!result || strcmp(path, port->name)) {
+ IOObjectRelease(ioport);
+ continue;
+ }
+ DEBUG("Found port %s", path);
+
+ IORegistryEntryGetParentEntry(ioport, kIOServicePlane, &ioparent);
+ if ((cf_property=IORegistryEntrySearchCFProperty(ioparent,kIOServicePlane,
+ CFSTR("IOProviderClass"), kCFAllocatorDefault,
+ kIORegistryIterateRecursively | kIORegistryIterateParents))) {
+ if (CFStringGetCString(cf_property, class, sizeof(class),
+ kCFStringEncodingASCII) &&
+ strstr(class, "USB")) {
+ DEBUG("Found USB class device");
+ port->transport = SP_TRANSPORT_USB;
+ }
+ CFRelease(cf_property);
+ }
+ IOObjectRelease(ioparent);
+
+ if ((cf_property = IORegistryEntrySearchCFProperty(ioport,kIOServicePlane,
+ CFSTR("USB Interface Name"), kCFAllocatorDefault,
+ kIORegistryIterateRecursively | kIORegistryIterateParents)) ||
+ (cf_property = IORegistryEntrySearchCFProperty(ioport,kIOServicePlane,
+ CFSTR("USB Product Name"), kCFAllocatorDefault,
+ kIORegistryIterateRecursively | kIORegistryIterateParents)) ||
+ (cf_property = IORegistryEntrySearchCFProperty(ioport,kIOServicePlane,
+ CFSTR("Product Name"), kCFAllocatorDefault,
+ kIORegistryIterateRecursively | kIORegistryIterateParents)) ||
+ (cf_property = IORegistryEntryCreateCFProperty(ioport,
+ CFSTR(kIOTTYDeviceKey), kCFAllocatorDefault, 0))) {
+ if (CFStringGetCString(cf_property, description, sizeof(description),
+ kCFStringEncodingASCII)) {
+ DEBUG("Found description %s", description);
+ port->description = strdup(description);
+ }
+ CFRelease(cf_property);
+ } else {
+ DEBUG("No description for this device");
+ }
+
+ cf_bus = IORegistryEntrySearchCFProperty(ioport, kIOServicePlane,
+ CFSTR("USBBusNumber"),
+ kCFAllocatorDefault,
+ kIORegistryIterateRecursively
+ | kIORegistryIterateParents);
+ cf_address = IORegistryEntrySearchCFProperty(ioport, kIOServicePlane,
+ CFSTR("USB Address"),
+ kCFAllocatorDefault,
+ kIORegistryIterateRecursively
+ | kIORegistryIterateParents);
+ if (cf_bus && cf_address &&
+ CFNumberGetValue(cf_bus , kCFNumberIntType, &bus) &&
+ CFNumberGetValue(cf_address, kCFNumberIntType, &address)) {
+ DEBUG("Found matching USB bus:address %03d:%03d", bus, address);
+ port->usb_bus = bus;
+ port->usb_address = address;
+ }
+ if (cf_bus ) CFRelease(cf_bus);
+ if (cf_address) CFRelease(cf_address);
+
+ cf_vendor = IORegistryEntrySearchCFProperty(ioport, kIOServicePlane,
+ CFSTR("idVendor"),
+ kCFAllocatorDefault,
+ kIORegistryIterateRecursively
+ | kIORegistryIterateParents);
+ cf_product = IORegistryEntrySearchCFProperty(ioport, kIOServicePlane,
+ CFSTR("idProduct"),
+ kCFAllocatorDefault,
+ kIORegistryIterateRecursively
+ | kIORegistryIterateParents);
+ if (cf_vendor && cf_product &&
+ CFNumberGetValue(cf_vendor , kCFNumberIntType, &vid) &&
+ CFNumberGetValue(cf_product, kCFNumberIntType, &pid)) {
+ DEBUG("Found matching USB vid:pid %04X:%04X", vid, pid);
+ port->usb_vid = vid;
+ port->usb_pid = pid;
+ }
+ if (cf_vendor ) CFRelease(cf_vendor);
+ if (cf_product) CFRelease(cf_product);
+
+ if ((cf_property = IORegistryEntrySearchCFProperty(ioport,kIOServicePlane,
+ CFSTR("USB Vendor Name"), kCFAllocatorDefault,
+ kIORegistryIterateRecursively | kIORegistryIterateParents))) {
+ if (CFStringGetCString(cf_property, manufacturer, sizeof(manufacturer),
+ kCFStringEncodingASCII)) {
+ DEBUG("Found manufacturer %s", manufacturer);
+ port->usb_manufacturer = strdup(manufacturer);
+ }
+ CFRelease(cf_property);
+ }
+
+ if ((cf_property = IORegistryEntrySearchCFProperty(ioport,kIOServicePlane,
+ CFSTR("USB Product Name"), kCFAllocatorDefault,
+ kIORegistryIterateRecursively | kIORegistryIterateParents))) {
+ if (CFStringGetCString(cf_property, product, sizeof(product),
+ kCFStringEncodingASCII)) {
+ DEBUG("Found product name %s", product);
+ port->usb_product = strdup(product);
+ }
+ CFRelease(cf_property);
+ }
+
+ if ((cf_property = IORegistryEntrySearchCFProperty(ioport,kIOServicePlane,
+ CFSTR("USB Serial Number"), kCFAllocatorDefault,
+ kIORegistryIterateRecursively | kIORegistryIterateParents))) {
+ if (CFStringGetCString(cf_property, serial, sizeof(serial),
+ kCFStringEncodingASCII)) {
+ DEBUG("Found serial number %s", serial);
+ port->usb_serial = strdup(serial);
+ }
+ CFRelease(cf_property);
+ }
+
+ IOObjectRelease(ioport);
+ break;
+ }
+ IOObjectRelease(iter);
+
+ RETURN_OK();
+}
projects / libserialport.git / blobdiff