蓝牙 HCI 驱动（通过 USB 总线）

// bluetooth_sender.c // // Generated by C DriverWizard 3.2.0 (Build 2485) // Requires DDK Only // File created on 2/15/2010 // #include "pch.h" #include "..\intrface.h" #ifdef BLUETOOTH_SENDER_WMI_TRACE #include "bluetooth_sender.tmh" #endif // global data BLUETOOTH_SENDER_DATA g_Data; /////////////////////////////////////////////////////////////////////////////////////////////////// // DriverEntry // Installable driver initialization entry point. // This entry point is called directly by the I/O system. // // Arguments: // IN DriverObject // pointer to the driver object // // IN RegistryPath // pointer to a unicode string representing the path, // to driver-specific key in the registry. // // Return Value: // Status // NTSTATUS DriverEntry( IN PDRIVER_OBJECT DriverObject, IN PUNICODE_STRING RegistryPath ) { NTSTATUS status; bluetooth_senderDebugPrint(DBG_INIT, DBG_TRACE, __FUNCTION__"++"); bluetooth_senderDebugPrint(DBG_INIT, DBG_INFO, "Compiled at %s on %s", __TIME__, __DATE__); #ifdef DBG // DbgBreakPoint(); #endif #ifdef BLUETOOTH_SENDER_WMI_TRACE WPP_INIT_TRACING(DriverObject, RegistryPath); #endif status = STATUS_SUCCESS; RtlZeroMemory(&g_Data, sizeof(BLUETOOTH_SENDER_DATA)); // save registry path for wmi g_Data.RegistryPath.Length = RegistryPath->Length; g_Data.RegistryPath.MaximumLength = RegistryPath->Length + sizeof(UNICODE_NULL); g_Data.RegistryPath.Buffer = (PWCHAR)ExAllocatePoolWithTag( PagedPool, g_Data.RegistryPath.MaximumLength, BLUETOOTH_SENDER_POOL_TAG ); if (g_Data.RegistryPath.Buffer == NULL) { status = STATUS_INSUFFICIENT_RESOURCES; bluetooth_senderDebugPrint(DBG_INIT, DBG_ERR, __FUNCTION__": Failed to allocate memory for RegistryPath"); return status; } RtlCopyUnicodeString(&g_Data.RegistryPath, RegistryPath); // detect current operating system if (IoIsWdmVersionAvailable(1, 0x30)) { g_Data.WdmVersion = 0x0130; } else if (IoIsWdmVersionAvailable(1, 0x20)) { g_Data.WdmVersion = 0x0120; } else if (IoIsWdmVersionAvailable(1, 0x10)) { g_Data.WdmVersion = 0x0110; } else if (IoIsWdmVersionAvailable(1, 0x05)) { g_Data.WdmVersion = 0x0105; } else { g_Data.WdmVersion = 0x0100; } // setup our dispatch function table in the driver object DriverObject->MajorFunction[IRP_MJ_PNP] = bluetooth_senderPnpDispatch; DriverObject->MajorFunction[IRP_MJ_POWER] = bluetooth_senderPowerDispatch; DriverObject->MajorFunction[IRP_MJ_CREATE] = bluetooth_senderCreateDispatch; DriverObject->MajorFunction[IRP_MJ_CLOSE] = bluetooth_senderCloseDispatch; DriverObject->MajorFunction[IRP_MJ_DEVICE_CONTROL] = bluetooth_senderDeviceIoControlDispatch; DriverObject->MajorFunction[IRP_MJ_READ] = bluetooth_senderReadDispatch; DriverObject->MajorFunction[IRP_MJ_WRITE] = bluetooth_senderWriteDispatch; DriverObject->MajorFunction[IRP_MJ_CLEANUP] = bluetooth_senderCleanupDispatch; DriverObject->MajorFunction[IRP_MJ_SYSTEM_CONTROL] = bluetooth_senderSystemControlDispatch; DriverObject->DriverExtension->AddDevice = bluetooth_senderAddDevice; DriverObject->DriverUnload = bluetooth_senderUnload; bluetooth_senderDebugPrint(DBG_INIT, DBG_TRACE, __FUNCTION__"--. STATUS %x", status); return status; } /////////////////////////////////////////////////////////////////////////////////////////////////// // bluetooth_senderAddDevice // The PnP manager new device callback // // Arguments: // IN DeviceObject // pointer to a device object. // // IN PhysicalDeviceObject // pointer to a device object created by the // underlying bus driver. // // Return Value: // Status // NTSTATUS bluetooth_senderAddDevice( IN PDRIVER_OBJECT DriverObject, IN PDEVICE_OBJECT PhysicalDeviceObject ) { NTSTATUS status; PDEVICE_OBJECT deviceObject; PBLUETOOTH_SENDER_DEVICE_EXTENSION deviceExtension; POWER_STATE powerState; bluetooth_senderDebugPrint(DBG_INIT, DBG_TRACE, __FUNCTION__"++: PDO %p", PhysicalDeviceObject); // Create our function device object. status = IoCreateDevice( DriverObject, sizeof (BLUETOOTH_SENDER_DEVICE_EXTENSION), NULL, // no name FILE_DEVICE_UNKNOWN, FILE_DEVICE_SECURE_OPEN, // Do not use if binary intended for 9x FALSE, &deviceObject ); if (!NT_SUCCESS(status)) { bluetooth_senderDebugPrint(DBG_INIT, DBG_ERR, __FUNCTION__"--. IoCreateDevice STATUS %x", status); return status; } bluetooth_senderDebugPrint(DBG_INIT, DBG_INFO, __FUNCTION__": Created FDO %p", deviceObject); // Initialize the device extension. deviceExtension = (PBLUETOOTH_SENDER_DEVICE_EXTENSION)deviceObject->DeviceExtension; // Zero the memory RtlZeroMemory(deviceExtension, sizeof(BLUETOOTH_SENDER_DEVICE_EXTENSION)); // save the PDO pointer deviceExtension->PhysicalDeviceObject = PhysicalDeviceObject; // save our device object deviceExtension->DeviceObject = deviceObject; // Initialize the powering down flag deviceExtension->bPowerStop = FALSE; // set RemoveCount to 1. Transition to zero // means IRP_MN_REMOVE_DEVICE was received deviceExtension->RemoveCount = 1; // Initialize Remove event KeInitializeEvent(&deviceExtension->RemoveEvent, NotificationEvent, FALSE); // initialize io lock bluetooth_senderInitializeIoLock(&deviceExtension->IoLock, deviceObject); // set numints which help app; deviceExtension->NumInts = 0; InitializeListHead(&deviceExtension->IntData); KeInitializeSpinLock(&deviceExtension->IntLock); deviceExtension->PnpState = PnpStateNotStarted; deviceExtension->PreviousPnpState = PnpStateNotStarted; // allocate WorkItem for power processing deviceExtension->PowerWorkItem = IoAllocateWorkItem(deviceExtension->DeviceObject); if (deviceExtension->PowerWorkItem == NULL) { bluetooth_senderDebugPrint(DBG_INIT, DBG_ERR, __FUNCTION__"--. Failed to allocated PowerWorkItem"); IoDeleteDevice(deviceObject); return STATUS_INSUFFICIENT_RESOURCES; } // Initialize the device object flags // All WDM drivers are supposed to set this flag. Devices // requiring a large amount of current at statup set the // DO_POWER_INRUSH flag instead. These flags are mutually // exclusive. if (PhysicalDeviceObject->Flags & DO_POWER_PAGABLE) { deviceObject->Flags |= DO_POWER_PAGABLE; } // This flag sets the buffering method for reads and writes // to METHOD_DIRECT. IOCTLs are handled by IO control codes // independent of the value of this flag. deviceObject->Flags |= DO_DIRECT_IO; // Typically, (almost always) the function driver for a device is the // power policy owner for that device. In some cases // another driver or system component may assume this role. // Set the initial device power state of the device to powered down. deviceExtension->DevicePowerState = PowerDeviceD3; powerState.DeviceState = deviceExtension->DevicePowerState; // the initial system power state must be working or we wouldn't be h