244 lines
9.0 KiB
C
244 lines
9.0 KiB
C
/*
|
|
* 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 <config.h>
|
|
#include "libserialport.h"
|
|
#include "libserialport_internal.h"
|
|
|
|
SP_PRIV 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];
|
|
CFMutableDictionaryRef classes;
|
|
io_iterator_t iter;
|
|
io_object_t ioport, ioparent;
|
|
CFTypeRef cf_property, cf_bus, cf_address, cf_vendor, cf_product;
|
|
Boolean result;
|
|
char path[PATH_MAX], class[16];
|
|
|
|
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_FMT("Found port %s", path);
|
|
|
|
IORegistryEntryGetParentEntry(ioport, kIOServicePlane, &ioparent);
|
|
if ((cf_property=IORegistryEntrySearchCFProperty(ioparent,kIOServicePlane,
|
|
CFSTR("IOClass"), 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);
|
|
}
|
|
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_FMT("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_FMT("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_FMT("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_FMT("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_FMT("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_FMT("Found serial number %s", serial);
|
|
port->usb_serial = strdup(serial);
|
|
}
|
|
CFRelease(cf_property);
|
|
}
|
|
|
|
IOObjectRelease(ioport);
|
|
break;
|
|
}
|
|
IOObjectRelease(iter);
|
|
|
|
RETURN_OK();
|
|
}
|
|
|
|
SP_PRIV enum sp_return list_ports(struct sp_port ***list)
|
|
{
|
|
CFMutableDictionaryRef classes;
|
|
io_iterator_t iter;
|
|
char path[PATH_MAX];
|
|
io_object_t port;
|
|
CFTypeRef cf_path;
|
|
Boolean result;
|
|
int ret = SP_OK;
|
|
|
|
DEBUG("Creating matching dictionary");
|
|
if (!(classes = IOServiceMatching(kIOSerialBSDServiceValue))) {
|
|
SET_FAIL(ret, "IOServiceMatching() failed");
|
|
goto out_done;
|
|
}
|
|
|
|
DEBUG("Getting matching services");
|
|
if (IOServiceGetMatchingServices(kIOMasterPortDefault, classes,
|
|
&iter) != KERN_SUCCESS) {
|
|
SET_FAIL(ret, "IOServiceGetMatchingServices() failed");
|
|
goto out_done;
|
|
}
|
|
|
|
DEBUG("Iterating over results");
|
|
while ((port = IOIteratorNext(iter))) {
|
|
cf_path = IORegistryEntryCreateCFProperty(port,
|
|
CFSTR(kIOCalloutDeviceKey), kCFAllocatorDefault, 0);
|
|
if (cf_path) {
|
|
result = CFStringGetCString(cf_path, path, sizeof(path),
|
|
kCFStringEncodingASCII);
|
|
CFRelease(cf_path);
|
|
if (result) {
|
|
DEBUG_FMT("Found port %s", path);
|
|
if (!(*list = list_append(*list, path))) {
|
|
SET_ERROR(ret, SP_ERR_MEM, "List append failed");
|
|
IOObjectRelease(port);
|
|
goto out;
|
|
}
|
|
}
|
|
}
|
|
IOObjectRelease(port);
|
|
}
|
|
out:
|
|
IOObjectRelease(iter);
|
|
out_done:
|
|
|
|
return ret;
|
|
}
|