static void *read_thread(void *param)
{
hid_device *dev = param;
/* Move the device's run loop to this thread. */
IOHIDDeviceScheduleWithRunLoop(dev->device_handle, CFRunLoopGetCurrent(), dev->run_loop_mode);
/* Create the RunLoopSource which is used to signal the
event loop to stop when hid_close() is called. */
CFRunLoopSourceContext ctx;
memset(&ctx, 0, sizeof(ctx));
ctx.version = 0;
ctx.info = dev;
ctx.perform = &perform_signal_callback;
dev->source = CFRunLoopSourceCreate(kCFAllocatorDefault, 0/*order*/, &ctx);
CFRunLoopAddSource(CFRunLoopGetCurrent(), dev->source, dev->run_loop_mode);
/* Store off the Run Loop so it can be stopped from hid_close()
and on device disconnection. */
dev->run_loop = CFRunLoopGetCurrent();
/* Notify the main thread that the read thread is up and running. */
pthread_barrier_wait(&dev->barrier);
/* Run the Event Loop. CFRunLoopRunInMode() will dispatch HID input
reports into the hid_report_callback(). */
SInt32 code;
while (!dev->shutdown_thread && !dev->disconnected) {
code = CFRunLoopRunInMode(dev->run_loop_mode, 1000/*sec*/, FALSE);
/* Return if the device has been disconnected */
if (code == kCFRunLoopRunFinished) {
dev->disconnected = 1;
break;
}
/* Break if The Run Loop returns Finished or Stopped. */
if (code != kCFRunLoopRunTimedOut &&
code != kCFRunLoopRunHandledSource) {
/* There was some kind of error. Setting
shutdown seems to make sense, but
there may be something else more appropriate */
dev->shutdown_thread = 1;
break;
}
}
/* Now that the read thread is stopping, Wake any threads which are
waiting on data (in hid_read_timeout()). Do this under a mutex to
make sure that a thread which is about to go to sleep waiting on
the condition acutally will go to sleep before the condition is
signaled. */
pthread_mutex_lock(&dev->mutex);
pthread_cond_broadcast(&dev->condition);
pthread_mutex_unlock(&dev->mutex);
/* Close the OS handle to the device, but only if it's not
been unplugged. If it's been unplugged, then calling
IOHIDDeviceClose() will crash. */
if (!dev->disconnected) {
IOHIDDeviceClose(dev->device_handle, kIOHIDOptionsTypeNone);
}
/* Wait here until hid_close() is called and makes it past
the call to CFRunLoopWakeUp(). This thread still needs to
be valid when that function is called on the other thread. */
pthread_barrier_wait(&dev->shutdown_barrier);
return NULL;
}
static void hid_close(hid_t *hid)
{
if (!hid || !hid->open || !hid->ref) return;
IOHIDDeviceUnscheduleFromRunLoop(hid->ref, CFRunLoopGetCurrent( ), kCFRunLoopDefaultMode);
IOHIDDeviceClose(hid->ref, kIOHIDOptionsTypeNone);
hid->ref = NULL;
}
void TeensyControls_usb_close(void)
{
teensy_t *t;
int wait=0;
for (t = TeensyControls_first_teensy; t; t = t->next) {
if (t->online) {
printf("close USB device\n");
IOHIDDeviceRegisterInputReportCallback(t->usb.dev,
t->usb.inbuf, 64, NULL, NULL);
// TODO: how to terminate input thread?
// TODO: how to terminate output thread?
pthread_cond_signal(&t->output_event);
IOHIDDeviceClose(t->usb.dev, 0);
t->online = 0;
}
}
if (hmgr) {
printf("closing hid manager\n");
IOHIDManagerRegisterDeviceMatchingCallback(hmgr, NULL, NULL);
IOHIDManagerRegisterDeviceRemovalCallback(hmgr, NULL, NULL);
IOHIDManagerClose(hmgr, 0);
hmgr = NULL;
}
while (++wait < 20 && num_thread_alive() > 0) {
usleep(10000);
printf("wait #%d for thread exit\n", wait);
}
}
void yyyPacketShutdown(yInterfaceSt *iface)
{
int i;
// remove iface from setuped ifaces
for (i=0; i< SETUPED_IFACE_CACHE_SIZE ; i++) {
if(yContext->setupedIfaceCache[i]==iface){
yContext->setupedIfaceCache[i] = NULL;
break;
}
}
YASSERT(i<SETUPED_IFACE_CACHE_SIZE);
if(iface->devref!=NULL){
IOHIDDeviceRegisterInputReportCallback(iface->devref, // IOHIDDeviceRef for the HID device
(u8*) &iface->tmprxpkt, // pointer to the report data (uint8_t's)
USB_PKT_SIZE, // number of bytes in the report (CFIndex)
NULL, // the callback routine
iface); // context passed to callback
IOHIDDeviceClose(iface->devref, kIOHIDOptionsTypeNone);
iface->devref=NULL;
}
yPktQueueFree(&iface->rxQueue);
yPktQueueFree(&iface->txQueue);
iface->flags.yyySetupDone = 0;
CFRelease(iface->run_loop_mode);
if (yContext->osx_flags & YCTX_OSX_MULTIPLES_HID) {
stopHIDManager(&iface->hid);
}
}
void HID_API_EXPORT hid_close(hid_device *dev)
{
if (!dev)
return;
/* Close the OS handle to the device. */
IOHIDDeviceClose(dev->device_handle, kIOHIDOptionsTypeNone);
/* Delete any input reports still left over. */
struct input_report *rpt = dev->input_reports;
while (rpt)
{
struct input_report *next = rpt->next;
free(rpt->data);
free(rpt);
rpt = next;
}
/* Free the string and the report buffer. */
CFRelease(dev->run_loop_mode);
free(dev->input_report_buf);
pthread_mutex_destroy(&dev->mutex);
free(dev);
}
void joy_hidlib_close_device(joy_hid_device_t *device)
{
/* close old device */
if(device->internal_device != NULL) {
IOHIDDeviceClose(device->internal_device, 0);
}
}
void HIDDevice::closeDevice(bool wasUnplugged)
{
OVR_ASSERT(Device != NULL);
if (!wasUnplugged)
{
// Clear the registered callbacks.
IOHIDDeviceRegisterInputReportCallback(Device,
ReadBuffer,
InputReportBufferLength,
NULL,
this);
IOHIDDeviceRegisterRemovalCallback(Device, NULL, this);
IOHIDDeviceUnscheduleFromRunLoop(Device,
HIDManager->getRunLoop(),
kCFRunLoopDefaultMode);
IOHIDDeviceClose(Device, kIOHIDOptionsTypeNone);
}
CFRelease(Device);
Device = NULL;
LogText("OVR::OSX::HIDDevice - HID Device Closed '%s'\n", DevDesc.Path.ToCStr());
}
void osxPointingDeviceManager::RemoveDevice(void *sender, IOReturn, void *, IOHIDDeviceRef devRef)
{
osxPointingDeviceManager *self = (osxPointingDeviceManager *)sender;
if (self->unregisterDevice(devRef))
{
IOHIDDeviceClose(devRef, kIOHIDOptionsTypeNone);
}
}
void closehandle(usbdevice* kb){
kb->handle = 0;
for(int i = 0; i < 4; i++){
if(kb->handles[i]){
IOHIDDeviceClose(kb->handles[i], kIOHIDOptionsTypeNone);
kb->handles[i] = 0;
}
}
}
int _ykusb_close_device(void *dev)
{
_ykusb_IOReturn = IOHIDDeviceClose( dev, 0L );
CFRelease(dev);
if ( _ykusb_IOReturn == kIOReturnSuccess )
return 1;
yk_errno = YK_EUSBERR;
return 0;
}
bool GPUSB_Close() {
if (!pGPUSB) return false;
IOReturn ioReturnValue = IOHIDDeviceClose(pGPUSB, kIOHIDOptionsTypeSeizeDevice);
if(ioReturnValue != kIOReturnSuccess)
{
wxMessageBox ("GPUSB_Close: error while closing the device",_("Error"));
}
CFRelease(pGPUSB);
return ioReturnValue == kIOReturnSuccess;
}
static void close_usb_device(IOHIDDeviceRef dev)
{
struct usb_list_struct *p;
do_run_loop();
for (p = usb_list; p; p = p->next) {
if (p->ref == dev) {
IOHIDDeviceClose(dev, kIOHIDOptionsTypeNone);
return;
}
}
}
void HID_API_EXPORT hid_close(hid_device *dev)
{
if (!dev)
return;
/* Close the OS handle to the device, but only if it's not
been unplugged. If it's been unplugged, then calling
IOHIDDeviceClose() will crash. */
if (!dev->disconnected) {
IOHIDDeviceClose(dev->device_handle, kIOHIDOptionsTypeNone);
}
free_hid_device(dev);
}
static void hid_device_removed(void* context, IOReturn result, void* sender)
{
struct apple_pad_connection* connection = (struct apple_pad_connection*)context;
if (connection && connection->slot < MAX_PLAYERS)
{
g_current_input_data.pad_buttons[connection->slot] = 0;
memset(g_current_input_data.pad_axis[connection->slot], 0, sizeof(g_current_input_data.pad_axis));
apple_joypad_disconnect(connection->slot);
free(connection);
}
IOHIDDeviceClose(sender, kIOHIDOptionsTypeNone);
}
void HID_API_EXPORT hid_close(hid_device *dev)
{
if ( !dev )
{
return;
}
/* Disconnect the report callback before close. */
if (!dev->disconnected) {
IOHIDDeviceRegisterInputReportCallback(
dev->device_handle, dev->input_report_buf, dev->max_input_report_len,
NULL, dev);
IOHIDManagerRegisterDeviceRemovalCallback(hid_mgr, NULL, dev);
IOHIDDeviceUnscheduleFromRunLoop(dev->device_handle, dev->run_loop, dev->run_loop_mode);
IOHIDDeviceScheduleWithRunLoop(dev->device_handle, CFRunLoopGetMain(), kCFRunLoopDefaultMode);
}
/* Cause read_thread() to stop. */
dev->shutdown_thread = 1;
/* Wake up the run thread's event loop so that the thread can exit. */
CFRunLoopSourceSignal(dev->source);
CFRunLoopWakeUp(dev->run_loop);
/* Notify the read thread that it can shut down now. */
pthread_barrier_wait(&dev->shutdown_barrier);
/* Wait for read_thread() to end. */
pthread_join(dev->thread, NULL);
/* Close the OS handle to the device, but only if it's not
been unplugged. If it's been unplugged, then calling
IOHIDDeviceClose() will crash. */
if (!dev->disconnected) {
IOHIDDeviceClose(dev->device_handle, kIOHIDOptionsTypeNone);
}
/* Clear out the queue of received reports. */
pthread_mutex_lock(&dev->mutex);
while (dev->input_reports) {
return_data(dev, NULL, 0);
}
pthread_mutex_unlock(&dev->mutex);
free_hid_device(dev);
}
void yyyPacketShutdown(yInterfaceSt *iface)
{
yEnterCriticalSection(&iface->yyyCS);
if(iface->devref!=NULL){
IOHIDDeviceRegisterInputReportCallback( iface->devref, // IOHIDDeviceRef for the HID device
(u8*) &iface->tmprxpkt, // pointer to the report data (uint8_t's)
USB_PKT_SIZE, // number of bytes in the report (CFIndex)
NULL, // the callback routine
iface); // context passed to callback
IOHIDDeviceClose(iface->devref, kIOHIDOptionsTypeNone);
iface->devref=NULL;
}
yLeaveCriticalSection(&iface->yyyCS);
yDeleteCriticalSection(&iface->yyyCS);
yyyFreePktQueue(iface);
}
//! Close the HID device
void pjrc_rawhid::close(int)
{
// Make sure any pending locks are done
QMutexLocker lock(m_writeMutex);
if (device_open) {
device_open = false;
CFRunLoopStop(the_correct_runloop);
if (!unplugged) {
IOHIDDeviceUnscheduleFromRunLoop(dev, the_correct_runloop, kCFRunLoopDefaultMode);
IOHIDDeviceRegisterInputReportCallback(dev, buffer, sizeof(buffer), NULL, NULL);
IOHIDDeviceClose(dev, kIOHIDOptionsTypeNone);
}
IOHIDManagerRegisterDeviceRemovalCallback(hid_manager, NULL, NULL);
IOHIDManagerClose(hid_manager, 0);
dev = NULL;
hid_manager = NULL;
}
}
~Connection()
{
delete hidpad;
if (device)
IOHIDDeviceClose(device, kIOHIDOptionsTypeNone);
}
bool HIDDeviceManager::Enumerate(HIDEnumerateVisitor* enumVisitor)
{
if (!initializeManager())
{
return false;
}
CFSetRef deviceSet = IOHIDManagerCopyDevices(HIDManager);
if (!deviceSet)
return false;
CFIndex deviceCount = CFSetGetCount(deviceSet);
// Allocate a block of memory and read the set into it.
IOHIDDeviceRef* devices = (IOHIDDeviceRef*) OVR_ALLOC(sizeof(IOHIDDeviceRef) * deviceCount);
CFSetGetValues(deviceSet, (const void **) devices);
// Iterate over devices.
for (CFIndex deviceIndex = 0; deviceIndex < deviceCount; deviceIndex++)
{
IOHIDDeviceRef hidDev = devices[deviceIndex];
if (!hidDev)
{
continue;
}
HIDDeviceDesc devDesc;
if (getPath(hidDev, &(devDesc.Path)) &&
initVendorProductVersion(hidDev, &devDesc) &&
enumVisitor->MatchVendorProduct(devDesc.VendorId, devDesc.ProductId) &&
initUsage(hidDev, &devDesc))
{
initStrings(hidDev, &devDesc);
initSerialNumber(hidDev, &devDesc);
// Look for the device to check if it is already opened.
Ptr<DeviceCreateDesc> existingDevice = DevManager->FindHIDDevice(devDesc, true);
// if device exists and it is opened then most likely the CreateHIDFile
// will fail; therefore, we just set Enumerated to 'true' and continue.
if (existingDevice && existingDevice->pDevice)
{
existingDevice->Enumerated = true;
continue;
}
// open the device temporarily for startup communication
if (IOHIDDeviceOpen(hidDev, kIOHIDOptionsTypeSeizeDevice) == kIOReturnSuccess)
{
// Construct minimal device that the visitor callback can get feature reports from.
OSX::HIDDevice device(this, hidDev);
enumVisitor->Visit(device, devDesc);
IOHIDDeviceClose(hidDev, kIOHIDOptionsTypeSeizeDevice);
}
}
}
OVR_FREE(devices);
CFRelease(deviceSet);
return true;
}
bool HIDDevice::openDevice()
{
// Have to iterate through devices again to generate paths.
CFSetRef deviceSet = IOHIDManagerCopyDevices(HIDManager->HIDManager);
CFIndex deviceCount = CFSetGetCount(deviceSet);
// Allocate a block of memory and read the set into it.
IOHIDDeviceRef* devices = (IOHIDDeviceRef*) OVR_ALLOC(sizeof(IOHIDDeviceRef) * deviceCount);
CFSetGetValues(deviceSet, (const void **) devices);
// Iterate over devices.
IOHIDDeviceRef device = NULL;
for (CFIndex deviceIndex = 0; deviceIndex < deviceCount; deviceIndex++)
{
IOHIDDeviceRef tmpDevice = devices[deviceIndex];
if (!tmpDevice)
{
continue;
}
String path;
if (!HIDManager->getPath(tmpDevice, &path))
{
continue;
}
if (path == DevDesc.Path)
{
device = tmpDevice;
break;
}
}
OVR_FREE(devices);
if (!device)
{
CFRelease(deviceSet);
return false;
}
// Attempt to open device.
if (IOHIDDeviceOpen(device, kIOHIDOptionsTypeSeizeDevice)
!= kIOReturnSuccess)
{
CFRelease(deviceSet);
return false;
}
// Retain the device before we release the set.
CFRetain(device);
CFRelease(deviceSet);
Device = device;
if (!initInfo())
{
IOHIDDeviceClose(Device, kIOHIDOptionsTypeSeizeDevice);
CFRelease(Device);
Device = NULL;
return false;
}
// Setup the Run Loop and callbacks.
IOHIDDeviceScheduleWithRunLoop(Device,
HIDManager->getRunLoop(),
kCFRunLoopDefaultMode);
IOHIDDeviceRegisterInputReportCallback(Device,
ReadBuffer,
ReadBufferSize,
staticHIDReportCallback,
this);
IOHIDDeviceRegisterRemovalCallback(Device,
staticDeviceRemovedCallback,
this);
return true;
}