static DWORD CALLBACK hid_device_thread(void *args)
{
DEVICE_OBJECT *device = (DEVICE_OBJECT*)args;
IRP *irp;
IO_STATUS_BLOCK irp_status;
HID_XFER_PACKET *packet;
DWORD rc;
HANDLE events[2];
NTSTATUS ntrc;
BASE_DEVICE_EXTENSION *ext = device->DeviceExtension;
events[0] = CreateEventA(NULL, TRUE, FALSE, NULL);
events[1] = ext->halt_event;
packet = HeapAlloc(GetProcessHeap(), 0, sizeof(*packet) + ext->preparseData->caps.InputReportByteLength);
packet->reportBuffer = (BYTE *)packet + sizeof(*packet);
if (ext->information.Polled)
{
while(1)
{
ResetEvent(events[0]);
packet->reportBufferLen = ext->preparseData->caps.InputReportByteLength;
packet->reportId = 0;
irp = IoBuildDeviceIoControlRequest(IOCTL_HID_GET_INPUT_REPORT,
device, NULL, 0, packet, sizeof(*packet), TRUE, NULL,
&irp_status);
IoSetCompletionRoutine(irp, read_Completion, events[0], TRUE, TRUE, TRUE);
ntrc = IoCallDriver(device, irp);
if (ntrc == STATUS_PENDING)
WaitForMultipleObjects(2, events, FALSE, INFINITE);
if (irp->IoStatus.u.Status == STATUS_SUCCESS)
{
RingBuffer_Write(ext->ring_buffer, packet);
HID_Device_processQueue(device);
}
IoCompleteRequest(irp, IO_NO_INCREMENT );
rc = WaitForSingleObject(ext->halt_event, ext->poll_interval ? ext->poll_interval : DEFAULT_POLL_INTERVAL);
if (rc == WAIT_OBJECT_0)
break;
else if (rc != WAIT_TIMEOUT)
ERR("Wait returned unexpected value %x\n",rc);
}
}
else
{
INT exit_now = FALSE;
while(1)
{
ResetEvent(events[0]);
irp = IoBuildDeviceIoControlRequest(IOCTL_HID_READ_REPORT,
device, NULL, 0, packet->reportBuffer,
ext->preparseData->caps.InputReportByteLength, TRUE, NULL,
&irp_status);
IoSetCompletionRoutine(irp, read_Completion, events[0], TRUE, TRUE, TRUE);
ntrc = IoCallDriver(device, irp);
if (ntrc == STATUS_PENDING)
{
WaitForMultipleObjects(2, events, FALSE, INFINITE);
}
rc = WaitForSingleObject(ext->halt_event, 0);
if (rc == WAIT_OBJECT_0)
exit_now = TRUE;
if (!exit_now && irp->IoStatus.u.Status == STATUS_SUCCESS)
{
packet->reportBufferLen = irp->IoStatus.Information;
if (ext->preparseData->InputReports[0].reportID)
packet->reportId = packet->reportBuffer[0];
else
packet->reportId = 0;
RingBuffer_Write(ext->ring_buffer, packet);
HID_Device_processQueue(device);
}
IoCompleteRequest(irp, IO_NO_INCREMENT );
if (exit_now)
break;
}
}
/* FIXME: releasing packet requires IRP cancellation support */
CloseHandle(events[0]);
TRACE("Device thread exiting\n");
return 1;
}
static DWORD CALLBACK hid_device_thread(void *args)
{
DEVICE_OBJECT *device = (DEVICE_OBJECT*)args;
IRP *irp;
IO_STATUS_BLOCK irp_status;
IO_STACK_LOCATION *irpsp;
DWORD rc;
HANDLE events[2];
NTSTATUS ntrc;
BASE_DEVICE_EXTENSION *ext = device->DeviceExtension;
events[0] = CreateEventA(NULL, TRUE, FALSE, NULL);
events[1] = ext->halt_event;
if (ext->information.Polled)
{
while(1)
{
HID_XFER_PACKET *packet;
ResetEvent(events[0]);
packet = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*packet) + ext->preparseData->caps.InputReportByteLength);
packet->reportBufferLen = ext->preparseData->caps.InputReportByteLength;
packet->reportBuffer = ((BYTE*)packet) + sizeof(*packet);
packet->reportId = 0;
irp = IoBuildDeviceIoControlRequest(IOCTL_HID_GET_INPUT_REPORT,
device, NULL, 0, packet, sizeof(*packet), TRUE, events[0],
&irp_status);
irpsp = IoGetNextIrpStackLocation(irp);
irpsp->CompletionRoutine = read_Completion;
irpsp->Control = SL_INVOKE_ON_SUCCESS | SL_INVOKE_ON_ERROR;
ntrc = IoCallDriver(device, irp);
if (ntrc == STATUS_PENDING)
WaitForMultipleObjects(2, events, FALSE, INFINITE);
if (irp->IoStatus.u.Status == STATUS_SUCCESS)
{
RingBuffer_Write(ext->ring_buffer, packet);
HID_Device_processQueue(device);
}
IoCompleteRequest(irp, IO_NO_INCREMENT );
rc = WaitForSingleObject(ext->halt_event, ext->poll_interval);
if (rc == WAIT_OBJECT_0)
break;
else if (rc != WAIT_TIMEOUT)
ERR("Wait returned unexpected value %x\n",rc);
}
}
else
{
INT exit_now = FALSE;
HID_XFER_PACKET *packet;
packet = HeapAlloc(GetProcessHeap(), 0, sizeof(*packet) + ext->preparseData->caps.InputReportByteLength);
packet->reportBufferLen = ext->preparseData->caps.InputReportByteLength;
packet->reportBuffer = ((BYTE*)packet) + sizeof(*packet);
packet->reportId = 0;
while(1)
{
BYTE *buffer;
buffer = HeapAlloc(GetProcessHeap(), 0, ext->preparseData->caps.InputReportByteLength);
ResetEvent(events[0]);
irp = IoBuildDeviceIoControlRequest(IOCTL_HID_READ_REPORT,
device, NULL, 0, buffer,
ext->preparseData->caps.InputReportByteLength, TRUE, events[0],
&irp_status);
irpsp = IoGetNextIrpStackLocation(irp);
irpsp->CompletionRoutine = read_Completion;
irpsp->Control = SL_INVOKE_ON_SUCCESS | SL_INVOKE_ON_ERROR;
ntrc = IoCallDriver(device, irp);
if (ntrc == STATUS_PENDING)
{
WaitForMultipleObjects(2, events, FALSE, INFINITE);
}
rc = WaitForSingleObject(ext->halt_event, 0);
if (rc == WAIT_OBJECT_0)
exit_now = TRUE;
if (!exit_now && irp->IoStatus.u.Status == STATUS_SUCCESS)
{
packet->reportId = buffer[0];
memcpy(packet->reportBuffer, buffer, ext->preparseData->caps.InputReportByteLength);
RingBuffer_Write(ext->ring_buffer, packet);
HID_Device_processQueue(device);
}
IoCompleteRequest(irp, IO_NO_INCREMENT );
if (exit_now)
break;
}
HeapFree(GetProcessHeap(), 0, packet);
}
CloseHandle(events[0]);
TRACE("Device thread exiting\n");
return 1;
}
