Sample TSP Header File
The following topic contains the header file for a code example that illustrates how to write a customized TSP by using the TSPI that is supported in Windows CE.
/*++
THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO
THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
PARTICULAR PURPOSE.
Copyright (c) 1995-2000 Microsoft Corporation. All rights reserved.
Module Name:
Samptspi.h
Abstract:
Private constants, structures, and function prototypes for the
Windows CE sample TAPI Service Provider
Notes:
--*/
#include <Termctrl.h>
#include <Mcx.h>
#include <Tspi.h>
#define SAMPTSPI_VERSION 0x0003
#define SAMPTSPI_SUBTYPE 0xFEDCBA98
#define EXCEPTION_ACCESS_VIOLATION STATUS_ACCESS_VIOLATION
#ifdef DEBUG
#define ZONE_INIT DEBUGZONE(0)
#define ZONE_CALLS DEBUGZONE(10)
#define ZONE_MISC DEBUGZONE(11)
#define ZONE_ALLOC DEBUGZONE(12)
#define ZONE_FUNCTION DEBUGZONE(13)
#define ZONE_FUNC ZONE_FUNCTION
#define ZONE_WARN DEBUGZONE(14)
#define ZONE_ERRORDEBUGZONE(15)
#endif
#define WM_MDMMESSAGE WM_USER+0x0100
#define WM_MDMCHANGE WM_USER+0x0101
#define WM_MDMCANCEL WM_USER+0x0102
#define MDM_SUCCESS 0
#define MDM_PENDING 1
#define MDM_FAILURE 2
#define MDM_HANGUP 3
#define MDM_BUSY 4
#define MDM_NOANSWER 5
#define MDM_NOCARRIER 6
#define MDM_NODIALTONE 7
#define SPI_VERSION TAPI_CURRENT_VERSION
#define VALIDATE_VERSION(version) \
{if (version != SPI_VERSION) \
{ \
DEBUGMSG(1|ZONE_ERROR, (TEXT("Invalid SPI Version x%X\r\n"), version)); \
return LINEERR_OPERATIONFAILED; \
} \
}
#define SUCCESS 0x0
#define MDM_ID_NULL 0xffff // Async ID for an unexpected message
#define SZTCHAR (sizeof(TCHAR))
#define MAXDEVICENAME 128
#define MAXADDRESSLEN TAPIMAXDESTADDRESSSIZE
#define MAX_CLASS_NAME_LEN 128
#define INVALID_DEVICE 0xFFFFFFFF
#define INVALID_PENDINGID 0xFFFFFFFF
// Check for an error code
//
#define IS_TAPI_ERROR(err) (BOOL)(HIWORD(err) & 0x8000)
// Device class and information
//
#define TAPILINE 0
#define COMM 1
#define COMMMODEM 2
#define NDIS 3
#define MAX_SUPPORT_CLASS 4
typedef struct _GETIDINFO {
LPTSTR szClassName;
DWORD dwFormat;
} GETIDINFO;
extern const GETIDINFO aGetID[MAX_SUPPORT_CLASS];
// Pending operation type
//
#define INVALID_PENDINGOP 0
#define PENDING_LINEMAKECALL 1
#define PENDING_LINEANSWER 2
#define PENDING_LINEDROP 3
#define PENDING_LINEDIAL 4
// Flags for setting pass-through mode
#define PASSTHROUGH_ON 1
#define PASSTHROUGH_OFF 2
#define PASSTHROUGH_OFF_BUT_CONNECTED 3
// Flags for resources
//
#define LINEDEVFLAGS_OUTOFSERVICE 0x00000001
#define LINEDEVFLAGS_REMOVING 0x00000002
// Enumerated states of the line device
typedef enum DevStates {
DEVST_DISCONNECTED = 0,
DEVST_PORTSTARTPRETERMINAL,
DEVST_PORTPRETERMINAL,
DEVST_PORTCONNECTINIT,
DEVST_PORTCONNECTWAITFORLINEDIAL, // this is a resting state. That is, you sit here waiting for a lineDial.
DEVST_PORTCONNECTDIALTONEDETECT,
DEVST_PORTCONNECTDIAL,
DEVST_PORTCONNECTING,
DEVST_PORTPOSTTERMINAL,
DEVST_CONNECTED
} DEVSTATES;
typedef enum _MDMSTATE
{
MDMST_UNKNOWN = 1,
MDMST_INITIALIZING,
MDMST_DISCONNECTED,
MDMST_DIALING,
MDMST_CONNECTED,
MDMST_DIALED,
MDMST_ORIGINATING,
MDMST_HANGING_UP_REMOTE, // This is when the remote side hangs up.
// modem: Wait for response and then:
// - send MODEM_HANGUP
// - set MDMSTATE to MDMSTATE_DISCONNECTED
MDMST_HANGING_UP_DTR, // After dropping DTR and waiting for 1200ms, check RLSD:
// If RLSD is low, raise DTR and set state to
// modem: MDMSTATE_HANGING_UP_NON_CMD
// null-modem: MDMSTATE_DISCONNECTED
// Else set state to:
// modem: MDMSTATE_HANGING_UP_NON_COMMAND and send "+++"
// null-modem: same, wait another 200ms (keeping count, stop at 3 or so)
MDMST_HANGING_UP_NON_CMD, // After sending a \r to hangup or sending +++ or getting RLSD low:
// Wait for any response or time-out and then:
// - send ATH<cr>
// - set state to MDMSTATE_HANGING_UP_CMD
MDMST_HANGING_UP_CMD, // Wait for a response to ATH<cr>
// If you get one, you are hung up, raise DTR, set state to
// MDMSTATE_DISCONNECTED, and return MODEM_SUCCESS.
// Else if you do not get one, consider dropping DTR, waiting 200ms more
// and setting state to MDMSTATE_HANGING_UP_DTR. (keep track of
// how many times you do this, max out at 3 or so.)
} MDMSTATE;
// Flags for the call attributes
//
#define CALL_ALLOCATED 0x00000001
#define CALL_ACTIVE 0x00000002
#define CALL_INBOUND 0x00000004
#define CALL_DROPPING 0x00000008
#define CALL_NOT_DROPPED( dwCall ) ( (dwCall & CALL_ALLOCATED) && !(dwCall & CALL_DROPPING) )
#define AnsiNext(x) ((x)+1)
#define AnsiPrev(y,x) ((x)-1)
// Flags for the fwOptions field of DEVCFGHDR
//
#define TERMINAL_NONE 0x0000
#define TERMINAL_PRE 0x0001
#define TERMINAL_POST 0x0002
#define MANUAL_DIAL 0x0004
#define LAUNCH_LIGHTS 0x0008
#define MIN_WAIT_BONG 0
#define MAX_WAIT_BONG 60
#define DEF_WAIT_BONG 8
#define INC_WAIT_BONG 2
// Device setting information
//
typedef struct tagDEVCFG {
WORD wWaitBong;
DWORD dwModemOptions;
DWORD dwCallSetupFailTimer;
COMMCONFIG commconfig;
} DEVCFG, *PDEVCFG, FAR* LPDEVCFG;
// Line device data structure
//
typedef struct __LineDev {
LIST_ENTRY llist; // pointer to next LineDev
DWORD dwVersion; // Version stamp
DWORD dwDeviceID; // Local device ID
TCHAR szDeviceName[MAXDEVICENAME+1]; // Actual device name
TCHAR szFriendlyName[MAXDEVICENAME+1]; // Friendly device name
HKEY hSettingsKey; // Registry handle for settings key
WORD wDeviceType; // The modem type
WORD wDeviceAvail; // Is the modem currently available?
DWORD dwDefaultMediaModes; // Default supported media modes
DWORD dwBearerModes; // Supported bearer modes
DWORD dwCurBearerModes; // The current media bearer modes. Plural because
// You keep track of PASSTHROUGH _and_ the real b-mode
// at the same time.
DWORD dwMediaModes; // Current supported media modes
DWORD dwCurMediaModes; // The current media modes
DWORD dwDetMediaModes; // The current detection media modes
HANDLE hDevice; // Device handle
DWORD pidDevice; // Device owner pid
HTAPILINE htLine; // TAPI line handle
LINEEVENT lpfnEvent; // Line event callback function
HWND hwndLine; // TAPI emulation
TCHAR szAddress[MAXADDRESSLEN+1];
DWORD dwPendingID; // Async pending ID
DWORD dwPendingType; // Pending operation
DWORD dwCall; // Call attributes
HTAPICALL htCall; // TAPI call handle
HWND hwTermCtrl; // TermCtrl Window Handle
CRITICAL_SECTION OpenCS; // Critical Section for DevLineClose
HANDLE hTimeoutEvent; // Event handle for call time-out event
DWORD dwTimeout; // Time-out parameter passed to watchdog task
HANDLE hCallComplete; // Event handle for call completions
DWORD dwCallState; // Current call state
DEVSTATES DevState; // Intermediate TAPI device state
MDMSTATE MdmState; // What state is the modem in?
DWORD dwDialOptions; // Options set in a lineMakeCall
BOOL fTakeoverMode; // True if samptspi is in takeover mode
TCHAR szDriverKey[MAX_CLASS_NAME_LEN+10]; // ex. "Modem\0000"
DWORD dwDevCapFlags; // LINEDEVCAPSFLAGS (that is, DIALBILLING, DIALQUIET, DIALDIALTONE)
DWORD dwMaxDCERate; // Max DCE as stored in the Properties line of the registry
DEVCFG DevCfg;
} TLINEDEV, *PTLINEDEV;
// Default mask to MDM_ options
//
#define MDM_MASK (MDM_TONE_DIAL | MDM_BLIND_DIAL)
typedef struct _TSPIGLOBALS {
HINSTANCE hInstance;
DWORD dwProviderID;
HPROVIDER hProvider;
HKEY hDefaultsKey;
LINEEVENT fnLineEventProc; // Line event callback in TAPI
ASYNC_COMPLETION fnCompletionCallback; // Completion create callback in TAPI
LIST_ENTRY LineDevs; // Linked List of TLINEDEV
CRITICAL_SECTION LineDevsCS; // Critical section for above list
} TSPIGLOBALS, *PTSPIGLOBALS;
extern TSPIGLOBALS TspiGlobals;
// DeviceType defines
//
#define DT_NULL_MODEM 0
#define DT_EXTERNAL_MODEM 1
#define DT_INTERNAL_MODEM 2
#define DT_PCMCIA_MODEM 3
#define DT_PARALLEL_PORT 4
#define DT_PARALLEL_MODEM 5
#define DT_IRCOMM_MODEM 6
// The following info is returned from the GetDevCaps call as the
// device-specific data. The wDeviceType field indicates the type of device on
// the port, and the wActive field indicates if the port is currently active.
typedef struct _EXT_INFO {
WORD wDeviceType;
WORD wActive;
} EXT_INFO;
// Some quick macros until MemTracking is actually implemented
#define TSPIAlloc( Size ) LocalAlloc( LPTR, Size )
#define TSPIFree( Ptr ) LocalFree( Ptr )
// Helper routines defined in Sampmisc.c
void TSPIDLL_Load(void);
PTLINEDEV createLineDev(HKEY hActiveKey, LPCTSTR lpszDevPath, LPCTSTR lpszDeviceName);
PTLINEDEV GetLineDevfromID(DWORD dwDeviceID);
PTLINEDEV GetLineDevfromName(LPCTSTR lpszDeviceName,LPCTSTR lpszFriendlyName);
PTLINEDEV GetLineDevfromHandle (DWORD handle);
PTLINEDEV LineExists( PTLINEDEV ptNewLine);
BOOL ValidateDevCfgClass (LPCTSTR lpszDeviceClass);
LONG DevlineClose (PTLINEDEV pLineDev, BOOL fDoDrop);
DWORD NullifyLineDevice (PTLINEDEV pLineDev);
LONG DevlineDrop(PTLINEDEV pLineDev);
LONG DevlineOpen(PTLINEDEV pLineDev);
LONG ValidateAddress( PTLINEDEV pLineDev, LPCTSTR lpszInAddress, LPTSTR lpszOutAddress);
LONG DevlineMakeCall( PTLINEDEV pLineDev );
void NewCallState(PTLINEDEV pLineDev, DWORD dwNewState, DWORD dwParm2);
// Routines from Sampdial.c
void DialerThread(PTLINEDEV pLineDev);
See Also
Sample TSP | Sample TSP Source File
Last updated on Saturday, April 10, 2004
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