int main (int argc, const char *argv[])
{
mach_port_t masterPort;
CFMutableDictionaryRef matchingDict;
CFRunLoopSourceRef runLoopSource;
kern_return_t kr;
SInt32 usbVendor = kOurVendorID;
SInt32 usbProduct = kOurProductID;
sig_t oldHandler;
// pick up command line arguments
if (argc > 1)
usbVendor = atoi(argv[1]);
if (argc > 2)
usbProduct = atoi(argv[2]);
// Set up a signal handler so we can clean up when we're interrupted from the command line
// Otherwise we stay in our run loop forever.
oldHandler = signal(SIGINT, SignalHandler);
if (oldHandler == SIG_ERR)
printf("Could not establish new signal handler");
// first create a master_port for my task
kr = IOMasterPort(MACH_PORT_NULL, &masterPort);
if (kr || !masterPort)
{
printf("ERR: Couldn't create a master IOKit Port(%08x)\n", kr);
return -1;
}
printf("Looking for devices matching vendor ID=%ld and product ID=%ld\n", usbVendor, usbProduct);
// Set up the matching criteria for the devices we're interested in
matchingDict = IOServiceMatching(kIOUSBDeviceClassName); // Interested in instances of class IOUSBDevice and its subclasses
if (!matchingDict)
{
printf("Can't create a USB matching dictionary\n");
mach_port_deallocate(mach_task_self(), masterPort);
return -1;
}
// Add our vendor and product IDs to the matching criteria
CFDictionarySetValue(
matchingDict,
CFSTR(kUSBVendorID),
CFNumberCreate(kCFAllocatorDefault, kCFNumberSInt32Type, &usbVendor));
CFDictionarySetValue(
matchingDict,
CFSTR(kUSBProductID),
CFNumberCreate(kCFAllocatorDefault, kCFNumberSInt32Type, &usbProduct));
// Create a notification port and add its run loop event source to our run loop
// This is how async notifications get set up.
gNotifyPort = IONotificationPortCreate(masterPort);
runLoopSource = IONotificationPortGetRunLoopSource(gNotifyPort);
CFRunLoopAddSource(CFRunLoopGetCurrent(), runLoopSource, kCFRunLoopDefaultMode);
// Retain additional references because we use this same dictionary with four calls to
// IOServiceAddMatchingNotification, each of which consumes one reference.
matchingDict = (CFMutableDictionaryRef) CFRetain( matchingDict );
matchingDict = (CFMutableDictionaryRef) CFRetain( matchingDict );
matchingDict = (CFMutableDictionaryRef) CFRetain( matchingDict );
// Now set up two notifications, one to be called when a raw device is first matched by I/O Kit, and the other to be
// called when the device is terminated.
kr = IOServiceAddMatchingNotification( gNotifyPort,
kIOFirstMatchNotification,
matchingDict,
RawDeviceAdded,
NULL,
&gRawAddedIter );
RawDeviceAdded(NULL, gRawAddedIter); // Iterate once to get already-present devices and
// arm the notification
kr = IOServiceAddMatchingNotification( gNotifyPort,
kIOTerminatedNotification,
matchingDict,
RawDeviceRemoved,
NULL,
&gRawRemovedIter );
RawDeviceRemoved(NULL, gRawRemovedIter); // Iterate once to arm the notification
// Change the USB product ID in our matching dictionary to the one the device will have once the
// bulktest firmware has been downloaded.
usbProduct = kOurProductIDBulkTest;
CFDictionarySetValue(
matchingDict,
CFSTR(kUSBProductID),
CFNumberCreate(kCFAllocatorDefault, kCFNumberSInt32Type, &usbProduct));
// Now set up two more notifications, one to be called when a bulk test device is first matched by I/O Kit, and the other to be
// called when the device is terminated.
kr = IOServiceAddMatchingNotification( gNotifyPort,
kIOFirstMatchNotification,
matchingDict,
BulkTestDeviceAdded,
NULL,
&gBulkTestAddedIter );
BulkTestDeviceAdded(NULL, gBulkTestAddedIter); // Iterate once to get already-present devices and
// arm the notification
kr = IOServiceAddMatchingNotification( gNotifyPort,
kIOTerminatedNotification,
matchingDict,
BulkTestDeviceRemoved,
NULL,
&gBulkTestRemovedIter );
BulkTestDeviceRemoved(NULL, gBulkTestRemovedIter); // Iterate once to arm the notification
// Now done with the master_port
mach_port_deallocate(mach_task_self(), masterPort);
masterPort = 0;
// Start the run loop. Now we'll receive notifications.
CFRunLoopRun();
// We should never get here
return 0;
}
int main (int argc, const char *argv[])
{
mach_port_t masterPort;
CFMutableDictionaryRef matchingDict;
CFRunLoopSourceRef runLoopSource;
kern_return_t kr;
SInt32 usbVendor = kOurVendorID;
SInt32 usbProduct = kOurProductID;
kr = IOMasterPort(MACH_PORT_NULL, &masterPort);
if (kr || !masterPort)
{
printf("ERR: Couldn't create a master I/O Kit port(%08x)\n", kr);
return -1;
}
// Setup matching dictionary for class IOUSBDevice and its subclasses
matchingDict = IOServiceMatching(kIOUSBDeviceClassName);
if (!matchingDict)
{
printf("couldn't craete a usb matching dictionary :(\n");
mach_port_deallocate(mach_task_self(), masterPort);
return -1;
}
// add vendor and product Ids to dict
CFDictionarySetValue(matchingDict, CFSTR(kUSBVendorName),
CFNumberCreate(kCFAllocatorDefault,
kCFNumberSInt32Type, &usbVendor));
CFDictionarySetValue(matchingDict, CFSTR(kUSBProductName),
CFNumberCreate(kCFAllocatorDefault,
kCFNumberSInt32Type, &usbProduct));
gNotifyPort = IONotificationPortCreate(masterPort);
runLoopSource = IONotificationPortGetRunLoopSource(gNotifyPort);
CFRunLoopAddSource(CFRunLoopGetCurrent(), runLoopSource,
kCFRunLoopDefaultMode);
//Now set up two notifications: one to be called when a raw device
//is first matched by the I/O Kit and another to be called when the
//device is terminated
//Notification of first match:
kr = IOServiceAddMatchingNotification(gNotifyPort,
kIOFirstMatchNotification, matchingDict,
RawDeviceAdded, NULL, &gRawAddedIter);
//Iterate over set of matching devices to access already-present devices
//and to arm the notification
RawDeviceAdded(NULL, gRawAddedIter);
/*
//Notification of termination:
kr = IOServiceAddMatchingNotification(gNotifyPort,
kIOTerminatedNotification, matchingDict,
RawDeviceRemoved, NULL, &gRawRemovedIter);
//Iterate over set of matching devices to release each one and to
//arm the notification
RawDeviceRemoved(NULL, gRawRemovedIter);
*/
mach_port_deallocate(mach_task_self(), masterPort);
masterPort = 0;
CFRunLoopRun();
return 0;
}
