Function attach_callback

LoadFile/teensy_loader_cli.c:362–388

static IOHIDManagerRef hid_manager=NULL;

void attach_callback(void *context, IOReturn r, void *hid_mgr, IOHIDDeviceRef dev)
{
	CFTypeRef type;
	struct usb_list_struct *n, *p;
	int32_t pid, vid;

	if (!dev) return;
	type = IOHIDDeviceGetProperty(dev, CFSTR(kIOHIDVendorIDKey));
	if (!type || CFGetTypeID(type) != CFNumberGetTypeID()) return;
	if (!CFNumberGetValue((CFNumberRef)type, kCFNumberSInt32Type, &vid)) return;
	type = IOHIDDeviceGetProperty(dev, CFSTR(kIOHIDProductIDKey));
	if (!type || CFGetTypeID(type) != CFNumberGetTypeID()) return;
	if (!CFNumberGetValue((CFNumberRef)type, kCFNumberSInt32Type, &pid)) return;
	n = (struct usb_list_struct *)malloc(sizeof(struct usb_list_struct));
	if (!n) return;
	//printf("attach callback: vid=%04X, pid=%04X\n", vid, pid);
	n->ref = dev;
	n->vid = vid;
	n->pid = pid;
	n->next = NULL;
	if (usb_list == NULL) {
		usb_list = n;
	} else {
		for (p = usb_list; p->next; p = p->next) ;
		p->next = n;
	}
}

void detach_callback(void *context, IOReturn r, void *hid_mgr, IOHIDDeviceRef dev)
{