mirror of
https://github.com/reactos/reactos.git
synced 2024-08-30 07:08:19 +00:00
603 lines
18 KiB
C
603 lines
18 KiB
C
/*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS Serial enumerator driver
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* FILE: drivers/bus/serenum/detect.c
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* PURPOSE: Detection of serial devices
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*
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* PROGRAMMERS: Jason Filby (jasonfilby@yahoo.com)
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* Filip Navara (xnavara@volny.cz)
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* Hervé Poussineau (hpoussin@reactos.org)
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*/
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#include "serenum.h"
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#include <debug.h>
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static NTSTATUS
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DeviceIoControl(
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IN PDEVICE_OBJECT DeviceObject,
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IN ULONG CtlCode,
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IN PVOID InputBuffer OPTIONAL,
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IN ULONG_PTR InputBufferSize,
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IN OUT PVOID OutputBuffer OPTIONAL,
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IN OUT PULONG_PTR OutputBufferSize)
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{
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KEVENT Event;
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PIRP Irp;
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IO_STATUS_BLOCK IoStatus;
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NTSTATUS Status;
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KeInitializeEvent (&Event, NotificationEvent, FALSE);
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Irp = IoBuildDeviceIoControlRequest(CtlCode,
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DeviceObject,
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InputBuffer,
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InputBufferSize,
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OutputBuffer,
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(OutputBufferSize) ? *OutputBufferSize : 0,
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FALSE,
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&Event,
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&IoStatus);
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if (Irp == NULL)
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{
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WARN_(SERENUM, "IoBuildDeviceIoControlRequest() failed\n");
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return STATUS_INSUFFICIENT_RESOURCES;
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}
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Status = IoCallDriver(DeviceObject, Irp);
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if (Status == STATUS_PENDING)
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{
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INFO_(SERENUM, "Operation pending\n");
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KeWaitForSingleObject(&Event, Suspended, KernelMode, FALSE, NULL);
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Status = IoStatus.Status;
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}
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if (OutputBufferSize)
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{
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*OutputBufferSize = IoStatus.Information;
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}
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return Status;
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}
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static NTSTATUS
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ReadBytes(
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IN PDEVICE_OBJECT LowerDevice,
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OUT PUCHAR Buffer,
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IN ULONG BufferSize,
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OUT PULONG_PTR FilledBytes)
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{
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PIRP Irp;
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IO_STATUS_BLOCK ioStatus;
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KEVENT event;
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LARGE_INTEGER zero;
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NTSTATUS Status;
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KeInitializeEvent(&event, NotificationEvent, FALSE);
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zero.QuadPart = 0;
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Irp = IoBuildSynchronousFsdRequest(
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IRP_MJ_READ,
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LowerDevice,
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Buffer, BufferSize,
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&zero,
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&event,
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&ioStatus);
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if (!Irp)
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return FALSE;
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Status = IoCallDriver(LowerDevice, Irp);
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if (Status == STATUS_PENDING)
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{
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KeWaitForSingleObject(&event, Suspended, KernelMode, FALSE, NULL);
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Status = ioStatus.Status;
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}
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INFO_(SERENUM, "Bytes received: %lu/%lu\n",
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ioStatus.Information, BufferSize);
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*FilledBytes = ioStatus.Information;
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return Status;
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}
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static NTSTATUS
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ReportDetectedDevice(
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IN PDEVICE_OBJECT DeviceObject,
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IN PUNICODE_STRING DeviceDescription,
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IN PUNICODE_STRING DeviceId,
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IN PUNICODE_STRING InstanceId,
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IN PUNICODE_STRING HardwareIds,
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IN PUNICODE_STRING CompatibleIds)
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{
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PDEVICE_OBJECT Pdo = NULL;
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PPDO_DEVICE_EXTENSION PdoDeviceExtension = NULL;
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PFDO_DEVICE_EXTENSION FdoDeviceExtension;
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NTSTATUS Status;
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TRACE_(SERENUM, "ReportDetectedDevice() called with %wZ (%wZ) detected\n", DeviceId, DeviceDescription);
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Status = IoCreateDevice(
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DeviceObject->DriverObject,
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sizeof(PDO_DEVICE_EXTENSION),
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NULL,
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FILE_DEVICE_CONTROLLER,
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FILE_AUTOGENERATED_DEVICE_NAME,
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FALSE,
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&Pdo);
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if (!NT_SUCCESS(Status)) goto ByeBye;
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Pdo->Flags |= DO_BUS_ENUMERATED_DEVICE;
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Pdo->Flags |= DO_POWER_PAGABLE;
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PdoDeviceExtension = (PPDO_DEVICE_EXTENSION)Pdo->DeviceExtension;
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FdoDeviceExtension = (PFDO_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
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RtlZeroMemory(PdoDeviceExtension, sizeof(PDO_DEVICE_EXTENSION));
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PdoDeviceExtension->Common.IsFDO = FALSE;
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Status = DuplicateUnicodeString(RTL_DUPLICATE_UNICODE_STRING_NULL_TERMINATE, DeviceDescription, &PdoDeviceExtension->DeviceDescription);
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if (!NT_SUCCESS(Status)) goto ByeBye;
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Status = DuplicateUnicodeString(RTL_DUPLICATE_UNICODE_STRING_NULL_TERMINATE, DeviceId, &PdoDeviceExtension->DeviceId);
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if (!NT_SUCCESS(Status)) goto ByeBye;
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Status = DuplicateUnicodeString(RTL_DUPLICATE_UNICODE_STRING_NULL_TERMINATE, InstanceId, &PdoDeviceExtension->InstanceId);
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if (!NT_SUCCESS(Status)) goto ByeBye;
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Status = DuplicateUnicodeString(RTL_DUPLICATE_UNICODE_STRING_NULL_TERMINATE, HardwareIds, &PdoDeviceExtension->HardwareIds);
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if (!NT_SUCCESS(Status)) goto ByeBye;
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Status = DuplicateUnicodeString(RTL_DUPLICATE_UNICODE_STRING_NULL_TERMINATE, CompatibleIds, &PdoDeviceExtension->CompatibleIds);
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if (!NT_SUCCESS(Status)) goto ByeBye;
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/* Device attached to serial port (Pdo) may delegate work to
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* serial port stack (Fdo = DeviceObject variable) */
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Pdo->StackSize = DeviceObject->StackSize + 1;
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FdoDeviceExtension->AttachedPdo = Pdo;
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PdoDeviceExtension->AttachedFdo = DeviceObject;
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Pdo->Flags |= DO_BUFFERED_IO;
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Pdo->Flags &= ~DO_DEVICE_INITIALIZING;
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return STATUS_SUCCESS;
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ByeBye:
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if (Pdo)
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{
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ASSERT(PdoDeviceExtension);
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if (PdoDeviceExtension->DeviceDescription.Buffer)
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RtlFreeUnicodeString(&PdoDeviceExtension->DeviceDescription);
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if (PdoDeviceExtension->DeviceId.Buffer)
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RtlFreeUnicodeString(&PdoDeviceExtension->DeviceId);
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if (PdoDeviceExtension->InstanceId.Buffer)
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RtlFreeUnicodeString(&PdoDeviceExtension->InstanceId);
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if (PdoDeviceExtension->HardwareIds.Buffer)
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RtlFreeUnicodeString(&PdoDeviceExtension->HardwareIds);
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if (PdoDeviceExtension->CompatibleIds.Buffer)
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RtlFreeUnicodeString(&PdoDeviceExtension->CompatibleIds);
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IoDeleteDevice(Pdo);
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}
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return Status;
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}
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static BOOLEAN
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IsValidPnpIdString(
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IN PUCHAR Buffer,
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IN ULONG BufferLength)
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{
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ANSI_STRING String;
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/* FIXME: IsValidPnpIdString not implemented */
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UNIMPLEMENTED;
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String.Length = String.MaximumLength = BufferLength;
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String.Buffer = (PCHAR)Buffer;
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ERR_(SERENUM, "Buffer %Z\n", &String);
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return TRUE;
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}
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static NTSTATUS
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ReportDetectedPnpDevice(
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IN PUCHAR Buffer,
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IN ULONG BufferLength)
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{
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ANSI_STRING String;
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/* FIXME: ReportDetectedPnpDevice not implemented */
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UNIMPLEMENTED;
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String.Length = String.MaximumLength = BufferLength;
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String.Buffer = (PCHAR)Buffer;
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ERR_(SERENUM, "Buffer %Z\n", &String);
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/* Call ReportDetectedDevice */
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return STATUS_SUCCESS;
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}
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#define BEGIN_ID '('
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#define END_ID ')'
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static NTSTATUS
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Wait(
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IN ULONG milliseconds)
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{
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KTIMER Timer;
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LARGE_INTEGER DueTime;
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DueTime.QuadPart = milliseconds * -10;
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KeInitializeTimer(&Timer);
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KeSetTimer(&Timer, DueTime, NULL);
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return KeWaitForSingleObject(&Timer, Executive, KernelMode, FALSE, NULL);
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}
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NTSTATUS
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SerenumDetectPnpDevice(
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IN PDEVICE_OBJECT DeviceObject,
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IN PDEVICE_OBJECT LowerDevice)
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{
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HANDLE Handle = NULL;
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UCHAR Buffer[256];
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ULONG BaudRate;
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ULONG_PTR TotalBytesReceived = 0;
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ULONG_PTR Size;
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ULONG Msr, Purge;
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ULONG i;
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BOOLEAN BufferContainsBeginId = FALSE;
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BOOLEAN BufferContainsEndId = FALSE;
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SERIAL_LINE_CONTROL Lcr;
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SERIAL_TIMEOUTS Timeouts;
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SERIALPERF_STATS PerfStats;
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NTSTATUS Status;
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/* Open port */
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Status = ObOpenObjectByPointer(
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LowerDevice,
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OBJ_KERNEL_HANDLE,
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NULL,
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0,
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NULL,
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KernelMode,
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&Handle);
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if (!NT_SUCCESS(Status)) goto ByeBye;
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/* 1. COM port initialization, check for device enumerate */
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TRACE_(SERENUM, "COM port initialization, check for device enumerate\n");
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Status = DeviceIoControl(LowerDevice, IOCTL_SERIAL_CLR_DTR,
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NULL, 0, NULL, NULL);
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if (!NT_SUCCESS(Status)) goto ByeBye;
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Status = DeviceIoControl(LowerDevice, IOCTL_SERIAL_CLR_RTS,
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NULL, 0, NULL, NULL);
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if (!NT_SUCCESS(Status)) goto ByeBye;
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Wait(200);
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Size = sizeof(Msr);
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Status = DeviceIoControl(LowerDevice, IOCTL_SERIAL_GET_MODEMSTATUS,
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NULL, 0, &Msr, &Size);
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if (!NT_SUCCESS(Status)) goto ByeBye;
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if ((Msr & SERIAL_DSR_STATE) == 0) goto DisconnectIdle;
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/* 2. COM port setup, 1st phase */
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TRACE_(SERENUM, "COM port setup, 1st phase\n");
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BaudRate = 1200;
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Status = DeviceIoControl(LowerDevice, IOCTL_SERIAL_SET_BAUD_RATE,
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&BaudRate, sizeof(BaudRate), NULL, 0);
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if (!NT_SUCCESS(Status)) goto ByeBye;
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Lcr.WordLength = 7;
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Lcr.Parity = NO_PARITY;
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Lcr.StopBits = STOP_BIT_1;
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Status = DeviceIoControl(LowerDevice, IOCTL_SERIAL_SET_LINE_CONTROL,
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&Lcr, sizeof(Lcr), NULL, NULL);
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if (!NT_SUCCESS(Status)) goto ByeBye;
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Status = DeviceIoControl(LowerDevice, IOCTL_SERIAL_CLR_DTR,
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NULL, 0, NULL, NULL);
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if (!NT_SUCCESS(Status)) goto ByeBye;
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Status = DeviceIoControl(LowerDevice, IOCTL_SERIAL_CLR_RTS,
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NULL, 0, NULL, NULL);
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if (!NT_SUCCESS(Status)) goto ByeBye;
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Wait(200);
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Status = DeviceIoControl(LowerDevice, IOCTL_SERIAL_SET_DTR,
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NULL, 0, NULL, NULL);
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if (!NT_SUCCESS(Status)) goto ByeBye;
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Wait(200);
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/* 3. Wait for response, 1st phase */
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TRACE_(SERENUM, "Wait for response, 1st phase\n");
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Status = DeviceIoControl(LowerDevice, IOCTL_SERIAL_SET_RTS,
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NULL, 0, NULL, NULL);
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if (!NT_SUCCESS(Status)) goto ByeBye;
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Timeouts.ReadIntervalTimeout = 0;
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Timeouts.ReadTotalTimeoutMultiplier = 0;
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Timeouts.ReadTotalTimeoutConstant = 200;
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Timeouts.WriteTotalTimeoutMultiplier = Timeouts.WriteTotalTimeoutConstant = 0;
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Status = DeviceIoControl(LowerDevice, IOCTL_SERIAL_SET_TIMEOUTS,
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&Timeouts, sizeof(Timeouts), NULL, NULL);
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if (!NT_SUCCESS(Status)) goto ByeBye;
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Status = ReadBytes(LowerDevice, Buffer, sizeof(Buffer), &Size);
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if (!NT_SUCCESS(Status)) goto ByeBye;
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if (Size != 0) goto CollectPnpComDeviceId;
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/* 4. COM port setup, 2nd phase */
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TRACE_(SERENUM, "COM port setup, 2nd phase\n");
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Status = DeviceIoControl(LowerDevice, IOCTL_SERIAL_CLR_DTR,
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NULL, 0, NULL, NULL);
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if (!NT_SUCCESS(Status)) goto ByeBye;
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Status = DeviceIoControl(LowerDevice, IOCTL_SERIAL_CLR_RTS,
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NULL, 0, NULL, NULL);
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if (!NT_SUCCESS(Status)) goto ByeBye;
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Purge = SERIAL_PURGE_RXABORT | SERIAL_PURGE_RXCLEAR;
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Status = DeviceIoControl(LowerDevice, IOCTL_SERIAL_PURGE,
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&Purge, sizeof(ULONG), NULL, NULL);
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if (!NT_SUCCESS(Status)) goto ByeBye;
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Wait(200);
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/* 5. Wait for response, 2nd phase */
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TRACE_(SERENUM, "Wait for response, 2nd phase\n");
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Status = DeviceIoControl(LowerDevice, IOCTL_SERIAL_SET_DTR,
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NULL, 0, NULL, NULL);
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if (!NT_SUCCESS(Status)) goto ByeBye;
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Status = DeviceIoControl(LowerDevice, IOCTL_SERIAL_SET_RTS,
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NULL, 0, NULL, NULL);
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if (!NT_SUCCESS(Status)) goto ByeBye;
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Status = ReadBytes(LowerDevice, Buffer, 1, &TotalBytesReceived);
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if (!NT_SUCCESS(Status)) goto ByeBye;
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if (TotalBytesReceived != 0) goto CollectPnpComDeviceId;
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Size = sizeof(Msr);
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Status = DeviceIoControl(LowerDevice, IOCTL_SERIAL_GET_MODEMSTATUS,
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NULL, 0, &Msr, &Size);
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if (!NT_SUCCESS(Status)) goto ByeBye;
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if ((Msr & SERIAL_DSR_STATE) == 0) goto VerifyDisconnect; else goto ConnectIdle;
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/* 6. Collect PnP COM device ID */
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CollectPnpComDeviceId:
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TRACE_(SERENUM, "Collect PnP COM device ID\n");
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Timeouts.ReadIntervalTimeout = 200;
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Timeouts.ReadTotalTimeoutMultiplier = 0;
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Timeouts.ReadTotalTimeoutConstant = 2200;
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Status = DeviceIoControl(LowerDevice, IOCTL_SERIAL_SET_TIMEOUTS,
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&Timeouts, sizeof(Timeouts), NULL, NULL);
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if (!NT_SUCCESS(Status)) goto ByeBye;
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Status = ReadBytes(LowerDevice, &Buffer[TotalBytesReceived], sizeof(Buffer) - TotalBytesReceived, &Size);
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if (!NT_SUCCESS(Status)) goto ByeBye;
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TotalBytesReceived += Size;
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Size = sizeof(PerfStats);
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Status = DeviceIoControl(LowerDevice, IOCTL_SERIAL_GET_STATS,
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NULL, 0, &PerfStats, &Size);
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if (!NT_SUCCESS(Status)) goto ByeBye;
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if (PerfStats.FrameErrorCount + PerfStats.ParityErrorCount != 0) goto ConnectIdle;
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for (i = 0; i < TotalBytesReceived; i++)
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{
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if (Buffer[i] == BEGIN_ID) BufferContainsBeginId = TRUE;
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if (Buffer[i] == END_ID) BufferContainsEndId = TRUE;
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}
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if (TotalBytesReceived == 1 || BufferContainsEndId)
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{
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if (IsValidPnpIdString(Buffer, TotalBytesReceived))
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{
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Status = ReportDetectedPnpDevice(Buffer, TotalBytesReceived);
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goto ByeBye;
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}
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goto ConnectIdle;
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}
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if (!BufferContainsBeginId) goto ConnectIdle;
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if (!BufferContainsEndId) goto ConnectIdle;
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Size = sizeof(Msr);
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Status = DeviceIoControl(LowerDevice, IOCTL_SERIAL_GET_MODEMSTATUS,
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NULL, 0, &Msr, &Size);
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if (!NT_SUCCESS(Status)) goto ByeBye;
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if ((Msr & SERIAL_DSR_STATE) == 0) goto VerifyDisconnect;
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/* 7. Verify disconnect */
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VerifyDisconnect:
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TRACE_(SERENUM, "Verify disconnect\n");
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Status = DeviceIoControl(LowerDevice, IOCTL_SERIAL_SET_DTR,
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NULL, 0, NULL, NULL);
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if (!NT_SUCCESS(Status)) goto ByeBye;
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Status = DeviceIoControl(LowerDevice, IOCTL_SERIAL_CLR_RTS,
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NULL, 0, NULL, NULL);
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if (!NT_SUCCESS(Status)) goto ByeBye;
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Wait(5000);
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goto DisconnectIdle;
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/* 8. Connect idle */
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ConnectIdle:
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TRACE_(SERENUM, "Connect idle\n");
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Status = DeviceIoControl(LowerDevice, IOCTL_SERIAL_SET_DTR,
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NULL, 0, NULL, NULL);
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if (!NT_SUCCESS(Status)) goto ByeBye;
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Status = DeviceIoControl(LowerDevice, IOCTL_SERIAL_CLR_RTS,
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NULL, 0, NULL, NULL);
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if (!NT_SUCCESS(Status)) goto ByeBye;
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BaudRate = 300;
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Status = DeviceIoControl(LowerDevice, IOCTL_SERIAL_SET_BAUD_RATE,
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&BaudRate, sizeof(BaudRate), NULL, NULL);
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if (!NT_SUCCESS(Status)) goto ByeBye;
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Lcr.WordLength = 7;
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Lcr.Parity = NO_PARITY;
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Lcr.StopBits = STOP_BIT_1;
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Status = DeviceIoControl(LowerDevice, IOCTL_SERIAL_SET_LINE_CONTROL,
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&Lcr, sizeof(Lcr), NULL, NULL);
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if (!NT_SUCCESS(Status)) goto ByeBye;
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if (TotalBytesReceived == 0)
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Status = STATUS_DEVICE_NOT_CONNECTED;
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else
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Status = STATUS_SUCCESS;
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goto ByeBye;
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/* 9. Disconnect idle */
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DisconnectIdle:
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TRACE_(SERENUM, "Disconnect idle\n");
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/* FIXME: report to OS device removal, if it was present */
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Status = DeviceIoControl(LowerDevice, IOCTL_SERIAL_SET_DTR,
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NULL, 0, NULL, NULL);
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if (!NT_SUCCESS(Status)) goto ByeBye;
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Status = DeviceIoControl(LowerDevice, IOCTL_SERIAL_CLR_RTS,
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NULL, 0, NULL, NULL);
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if (!NT_SUCCESS(Status)) goto ByeBye;
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BaudRate = 300;
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Status = DeviceIoControl(LowerDevice, IOCTL_SERIAL_SET_BAUD_RATE,
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&BaudRate, sizeof(BaudRate), NULL, NULL);
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if (!NT_SUCCESS(Status)) goto ByeBye;
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Lcr.WordLength = 7;
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Lcr.Parity = NO_PARITY;
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Lcr.StopBits = STOP_BIT_1;
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Status = DeviceIoControl(LowerDevice, IOCTL_SERIAL_SET_LINE_CONTROL,
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&Lcr, sizeof(Lcr), NULL, NULL);
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if (!NT_SUCCESS(Status)) goto ByeBye;
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Status = STATUS_DEVICE_NOT_CONNECTED;
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ByeBye:
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/* Close port */
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if (Handle)
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ZwClose(Handle);
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return Status;
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}
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NTSTATUS
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SerenumDetectLegacyDevice(
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IN PDEVICE_OBJECT DeviceObject,
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IN PDEVICE_OBJECT LowerDevice)
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{
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HANDLE Handle = NULL;
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ULONG Fcr, Mcr;
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ULONG BaudRate;
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ULONG Command;
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SERIAL_TIMEOUTS Timeouts;
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SERIAL_LINE_CONTROL LCR;
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ULONG i, Count = 0;
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UCHAR Buffer[16];
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UNICODE_STRING DeviceDescription;
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UNICODE_STRING DeviceId;
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UNICODE_STRING InstanceId;
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UNICODE_STRING HardwareIds;
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UNICODE_STRING CompatibleIds;
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NTSTATUS Status;
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TRACE_(SERENUM, "SerenumDetectLegacyDevice(DeviceObject %p, LowerDevice %p)\n",
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DeviceObject,
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LowerDevice);
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RtlZeroMemory(Buffer, sizeof(Buffer));
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/* Open port */
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Status = ObOpenObjectByPointer(
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LowerDevice,
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OBJ_KERNEL_HANDLE,
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NULL,
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0,
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NULL,
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KernelMode,
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&Handle);
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|
if (!NT_SUCCESS(Status)) return Status;
|
|
|
|
/* Reset UART */
|
|
TRACE_(SERENUM, "Reset UART\n");
|
|
Mcr = 0; /* MCR: DTR/RTS/OUT2 off */
|
|
Status = DeviceIoControl(LowerDevice, IOCTL_SERIAL_SET_MODEM_CONTROL,
|
|
&Mcr, sizeof(Mcr), NULL, NULL);
|
|
if (!NT_SUCCESS(Status)) goto ByeBye;
|
|
|
|
/* Set communications parameters */
|
|
TRACE_(SERENUM, "Set communications parameters\n");
|
|
/* DLAB off */
|
|
Fcr = 0;
|
|
Status = DeviceIoControl(LowerDevice, IOCTL_SERIAL_SET_FIFO_CONTROL,
|
|
&Fcr, sizeof(Fcr), NULL, NULL);
|
|
if (!NT_SUCCESS(Status)) goto ByeBye;
|
|
/* Set serial port speed */
|
|
BaudRate = 1200;
|
|
Status = DeviceIoControl(LowerDevice, IOCTL_SERIAL_SET_BAUD_RATE,
|
|
&BaudRate, sizeof(BaudRate), NULL, NULL);
|
|
if (!NT_SUCCESS(Status)) goto ByeBye;
|
|
/* Set LCR */
|
|
LCR.WordLength = 7;
|
|
LCR.Parity = NO_PARITY;
|
|
LCR.StopBits = STOP_BITS_2;
|
|
Status = DeviceIoControl(LowerDevice, IOCTL_SERIAL_SET_LINE_CONTROL,
|
|
&LCR, sizeof(LCR), NULL, NULL);
|
|
if (!NT_SUCCESS(Status)) goto ByeBye;
|
|
|
|
/* Flush receive buffer */
|
|
TRACE_(SERENUM, "Flush receive buffer\n");
|
|
Command = SERIAL_PURGE_RXCLEAR;
|
|
Status = DeviceIoControl(LowerDevice, IOCTL_SERIAL_SET_MODEM_CONTROL,
|
|
&Command, sizeof(Command), NULL, NULL);
|
|
if (!NT_SUCCESS(Status)) goto ByeBye;
|
|
/* Wait 100 ms */
|
|
Wait(100);
|
|
|
|
/* Enable DTR/RTS */
|
|
TRACE_(SERENUM, "Enable DTR/RTS\n");
|
|
Status = DeviceIoControl(LowerDevice, IOCTL_SERIAL_SET_DTR,
|
|
NULL, 0, NULL, NULL);
|
|
if (!NT_SUCCESS(Status)) goto ByeBye;
|
|
Status = DeviceIoControl(LowerDevice, IOCTL_SERIAL_SET_RTS,
|
|
NULL, 0, NULL, NULL);
|
|
if (!NT_SUCCESS(Status)) goto ByeBye;
|
|
|
|
/* Set timeout to 500 microseconds */
|
|
TRACE_(SERENUM, "Set timeout to 500 microseconds\n");
|
|
Timeouts.ReadIntervalTimeout = 100;
|
|
Timeouts.ReadTotalTimeoutMultiplier = 0;
|
|
Timeouts.ReadTotalTimeoutConstant = 500;
|
|
Timeouts.WriteTotalTimeoutMultiplier = Timeouts.WriteTotalTimeoutConstant = 0;
|
|
Status = DeviceIoControl(LowerDevice, IOCTL_SERIAL_SET_TIMEOUTS,
|
|
&Timeouts, sizeof(Timeouts), NULL, NULL);
|
|
if (!NT_SUCCESS(Status)) goto ByeBye;
|
|
|
|
/* Fill the read buffer */
|
|
TRACE_(SERENUM, "Fill the read buffer\n");
|
|
Status = ReadBytes(LowerDevice, Buffer, sizeof(Buffer)/sizeof(Buffer[0]), (PVOID)&Count);
|
|
if (!NT_SUCCESS(Status)) goto ByeBye;
|
|
|
|
RtlInitUnicodeString(&DeviceId, L"Serenum\\Mouse");
|
|
RtlInitUnicodeString(&InstanceId, L"0000"); /* FIXME */
|
|
for (i = 0; i < Count; i++)
|
|
{
|
|
if (Buffer[i] == 'B')
|
|
{
|
|
/* Sign for Microsoft Ballpoint */
|
|
/* Hardware id: *PNP0F09
|
|
* Compatible id: *PNP0F0F, SERIAL_MOUSE
|
|
*/
|
|
RtlInitUnicodeString(&DeviceDescription, L"Microsoft Ballpoint device");
|
|
SerenumInitMultiSzString(&HardwareIds, "*PNP0F09", NULL);
|
|
SerenumInitMultiSzString(&CompatibleIds, "*PNP0F0F", "SERIAL_MOUSE", NULL);
|
|
Status = ReportDetectedDevice(DeviceObject,
|
|
&DeviceDescription, &DeviceId, &InstanceId, &HardwareIds, &CompatibleIds);
|
|
RtlFreeUnicodeString(&HardwareIds);
|
|
RtlFreeUnicodeString(&CompatibleIds);
|
|
goto ByeBye;
|
|
}
|
|
else if (Buffer[i] == 'M')
|
|
{
|
|
/* Sign for Microsoft Mouse protocol followed by button specifier */
|
|
if (i == sizeof(Buffer) - 1)
|
|
{
|
|
/* Overflow Error */
|
|
Status = STATUS_DEVICE_NOT_CONNECTED;
|
|
goto ByeBye;
|
|
}
|
|
switch (Buffer[i + 1])
|
|
{
|
|
case '3':
|
|
/* Hardware id: *PNP0F08
|
|
* Compatible id: SERIAL_MOUSE
|
|
*/
|
|
RtlInitUnicodeString(&DeviceDescription, L"Microsoft Mouse with 3-buttons");
|
|
SerenumInitMultiSzString(&HardwareIds, "*PNP0F08", NULL);
|
|
SerenumInitMultiSzString(&CompatibleIds, "SERIAL_MOUSE", NULL);
|
|
break;
|
|
default:
|
|
/* Hardware id: *PNP0F01
|
|
* Compatible id: SERIAL_MOUSE
|
|
*/
|
|
RtlInitUnicodeString(&DeviceDescription, L"Microsoft Mouse with 2-buttons or Microsoft Wheel Mouse");
|
|
SerenumInitMultiSzString(&HardwareIds, "*PNP0F01", NULL);
|
|
SerenumInitMultiSzString(&CompatibleIds, "SERIAL_MOUSE", NULL);
|
|
break;
|
|
}
|
|
Status = ReportDetectedDevice(DeviceObject,
|
|
&DeviceDescription, &DeviceId, &InstanceId, &HardwareIds, &CompatibleIds);
|
|
RtlFreeUnicodeString(&HardwareIds);
|
|
RtlFreeUnicodeString(&CompatibleIds);
|
|
goto ByeBye;
|
|
}
|
|
}
|
|
|
|
Status = STATUS_DEVICE_NOT_CONNECTED;
|
|
|
|
ByeBye:
|
|
/* Close port */
|
|
if (Handle)
|
|
ZwClose(Handle);
|
|
return Status;
|
|
}
|