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/*++
Copyright (c) 1990-2000 Microsoft Corporation All Rights Reserved
Module Name:
fakemodem.h
Abstract:
Header file for the toaster driver modules.
Environment:
Kernel mode
--*/
#if !defined(_FAKEMODEM_H_)
#define _FAKEMODEM_H_
#include <NTDDK.h>
#include <wdf.h>
#include <ntddser.h>
#include <initguid.h>
#define NTSTRSAFE_LIB
#include <ntstrsafe.h>
#include <ntintsafe.h>
#ifdef DEFINE_GUID
DEFINE_GUID(GUID_DEVINTERFACE_MODEM,0x2c7089aa, 0x2e0e,0x11d1,0xb1, 0x14, 0x00, 0xc0, 0x4f, 0xc2, 0xaa, 0xe4);
#endif //DEFINE_GUID
#define OBJECT_DIRECTORY L"\\DosDevices\\"
#define READ_BUFFER_SIZE 128
#define COMMAND_MATCH_STATE_IDLE 0
#define COMMAND_MATCH_STATE_GOT_A 1
#define COMMAND_MATCH_STATE_GOT_T 2
//
// This defines the bit used to control whether the device is sending
// a break. When this bit is set the device is sending a space (logic 0).
//
// Most protocols will assume that this is a hangup.
#define SERIAL_LCR_BREAK 0x40
//
// These defines are used to define the line control register
//
#define SERIAL_5_DATA ((UCHAR)0x00)
#define SERIAL_6_DATA ((UCHAR)0x01)
#define SERIAL_7_DATA ((UCHAR)0x02)
#define SERIAL_8_DATA ((UCHAR)0x03)
#define SERIAL_DATA_MASK ((UCHAR)0x03)
#define SERIAL_1_STOP ((UCHAR)0x00)
#define SERIAL_1_5_STOP ((UCHAR)0x04) // Only valid for 5 data bits
#define SERIAL_2_STOP ((UCHAR)0x04) // Not valid for 5 data bits
#define SERIAL_STOP_MASK ((UCHAR)0x04)
#define SERIAL_NONE_PARITY ((UCHAR)0x00)
#define SERIAL_ODD_PARITY ((UCHAR)0x08)
#define SERIAL_EVEN_PARITY ((UCHAR)0x18)
#define SERIAL_MARK_PARITY ((UCHAR)0x28)
#define SERIAL_SPACE_PARITY ((UCHAR)0x38)
#define SERIAL_PARITY_MASK ((UCHAR)0x38)
#define REG_VALUE_CREATED_FLAG 0x1
//
// The device extension for the device object
//
typedef struct _FM_DEVICE_DATA
{
UNICODE_STRING PdoName; //save this so that we can use it to delete the registry value later
WDFQUEUE FmReadQueue; // Staging area for pending Read requests
WDFQUEUE FmMaskWaitQueue;
ULONG CurrentMask;
SERIAL_TIMEOUTS CurrentTimeouts;
ULONG ReadBufferBegin;
ULONG ReadBufferEnd;
ULONG BytesInReadBuffer;
UCHAR CommandMatchState;
BOOLEAN ConnectCommand;
BOOLEAN IgnoreNextChar;
BOOLEAN CapsQueried;
ULONG ModemStatus;
BOOLEAN CurrentlyConnected;
BOOLEAN ConnectionStateChanged;
UCHAR ReadBuffer[READ_BUFFER_SIZE];
ULONG BaudRate;
UCHAR LineControl;
UCHAR ValidDataMask;
UCHAR Flags;
} FM_DEVICE_DATA, *PFM_DEVICE_DATA;
WDF_DECLARE_CONTEXT_TYPE_WITH_NAME(FM_DEVICE_DATA, FmDeviceDataGet)
#define FM_COM_PORT_STRING_LENGTH 80
DRIVER_INITIALIZE DriverEntry;
EVT_WDF_DRIVER_DEVICE_ADD FmEvtDeviceAdd;
EVT_WDF_DEVICE_CONTEXT_CLEANUP FmDeviceCleanup;
EVT_WDF_IO_QUEUE_IO_READ FmEvtIoRead;
EVT_WDF_IO_QUEUE_IO_WRITE FmEvtIoWrite;
EVT_WDF_IO_QUEUE_IO_DEVICE_CONTROL FmEvtIoDeviceControl;
NTSTATUS
FmCreateDosDevicesSymbolicLink(
WDFDEVICE Device,
PFM_DEVICE_DATA FmDeviceData
);
VOID
ProcessConnectionStateChange(
IN PFM_DEVICE_DATA FmDeviceData
);
VOID
ProcessWriteBytes(
PFM_DEVICE_DATA FmDeviceData,
PUCHAR Characters,
ULONG Length
);
VOID
PutCharInReadBuffer(
PFM_DEVICE_DATA FmDeviceData,
UCHAR Character
);
VOID
ProcessReadBuffer(
IN PFM_DEVICE_DATA FmDeviceData,
IN PUCHAR SystemBuffer,
IN ULONG Length,
OUT PULONG ByesToMove
);
#endif // _FAKEMODEM_H
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