+
−/*
+
−+------------------------------------------------------------------------------
+
−|  File:       gdi.h
+
−+------------------------------------------------------------------------------
+
−|                 Copyright Condat AG 1999-2001, Berlin
+
−|                 All rights reserved.
+
−|
+
−|                 This file is confidential and a trade secret of Condat AG.
+
−|                 The receipt of or possession of this file does not convey
+
−|                 any rights to reproduce or disclose its contents or to
+
−|                 manufacture, use, or sell anything it may describe, in
+
−|                 whole, or in part, without the specific written consent of
+
−|                 Condat AG.
+
−+------------------------------------------------------------------------------
+
−| Purpose:    General Definitions.
+
−| $Identity:$
+
−+------------------------------------------------------------------------------
+
−*/
+
−
+
−#ifndef  GDI_H
+
−#define  GDI_H
+
−
+
−/*==== INCLUDES =============================================================*/
+
−
+
−#include "typedefs.h"
+
−
+
−/*==== DEFINITIONS ==========================================================*/
+
−/*--------------------------------
+
−   Return values
+
−  --------------------------------*/
+
−#ifdef DRV_OK
+
− #undef DRV_OK
+
−#endif
+
−#define DRV_OK                   0
+
−#define DRV_BUFFER_FULL          1
+
−#define DRV_DISABLED             2
+
−#define DRV_ENABLED              3
+
−#define DRV_INITFAILURE          4
+
−#define DRV_INITIALIZED          5
+
−#define DRV_INTERNAL_ERROR       6
+
−#define DRV_INPROCESS            7
+
−#define DRV_INVALID_PARAMS       8
+
−#define DRV_NOTCONFIGURED        9
+
−#define DRV_RETVAL_USER          50
+
−
+
−/*--------------------------------
+
−   Signal types
+
−  --------------------------------*/
+
−#define DRV_SIGFCT_NOTAVAILABLE  0x01
+
−#define DRV_SIGTYPE_CLEAR        0x02
+
−#define DRV_SIGTYPE_FLUSH        0x04
+
−#define DRV_SIGTYPE_READ         0x08
+
−#define DRV_SIGTYPE_WRITE        0x10
+
−#define DRV_SIGTYPE_CONNECT      0x20
+
−#define DRV_SIGTYPE_DISCONNECT   0x40
+
−
+
−#define DRV_SIGTYPE_USER         0x80
+
−
+
−/*--------------------------------
+
−   Flags
+
−  --------------------------------*/
+
−#define CALLED_FROM_ISR          0x01
+
−
+
−/*--------------------------------
+
−   Buffer Types
+
−  --------------------------------*/
+
−#define DRV_BUFTYPE_READ         0x01
+
−#define DRV_BUFTYPE_WRITE        0x02
+
−
+
−/*==== TYPES ================================================================*/
+
−typedef void * drv_ProcHandle_Type;
+
−
+
−/*------------------------------------------------------------------------
+
−   T_DRV_SIGNAL - driver signal identification
+
− 
+
−   The type defines the signal information data used to identify a signal. 
+
−   This data type is used to define and to report a signal. A signal is 
+
−   defined by a process calling the driver function drv_SetSignal. An 
+
−   event is signalled by driver by calling the pre-defined signal call-
+
−   back function.
+
−  -------------------------------------------------------------------------*/
+
−typedef struct
+
−{
+
−  USHORT              SignalType;
+
−  USHORT              DrvHandle;
+
−  ULONG               DataLength;
+
−  T_VOID_STRUCT       *UserData;
+
−} T_DRV_SIGNAL;
+
−
+
−/*------------------------------------------------------------------------
+
−   T_DRV_CB_FUNC - driver signal device control block
+
−  
+
−   This type defines a call-back function used to signal driver events,
+
−   e.g. driver is ready to accept data. The driver calls the signal
+
−   call-back function when a specific event occurs and the driver has
+
−   been instructed to signal the event to a specific process. A process
+
−   can set or reset event signalling by calling one of the driver 
+
−   functions drv_SetSignal or drv_ResetSignal. Event signalling can only
+
−   be performed when a call-back function has been installed at driver
+
−   initialization.
+
−  -------------------------------------------------------------------------*/
+
−typedef void (*T_DRV_CB_FUNC ) (T_DRV_SIGNAL * Signal);
+
−
+
−struct _T_DRV_EXPORT;
+
−
+
−typedef struct
+
−{
+
−#ifdef _TOOLS_
+
−  USHORT (*drv_Init)(USHORT,T_DRV_CB_FUNC,struct _T_DRV_EXPORT const**);
+
−#endif
+
−  void (*drv_Exit)(void);
+
−  USHORT (*drv_Read)(void*, ULONG*);
+
−  USHORT (*drv_Write)(void*, ULONG*);
+
−  USHORT (*drv_Look)(void*, ULONG*);
+
−  USHORT (*drv_Clear)(USHORT);
+
−  USHORT (*drv_Flush)(void);
+
−  USHORT (*drv_SetSignal)(USHORT);
+
−  USHORT (*drv_ResetSignal)(USHORT);
+
−  USHORT (*drv_SetConfig)(char*);
+
−  USHORT (*drv_GetConfig)(char*);
+
−  void (*drv_Callback)(T_DRV_SIGNAL*);
+
−} T_DRV_FUNC;
+
−
+
−typedef struct _T_DRV_EXPORT 
+
−{
+
−  const char    *Name;
+
−  USHORT   	    Flags;             /* Bit (0): CALLED_BY_ISR */
+
−  T_DRV_FUNC DrvFunc;
+
−} T_DRV_EXPORT;
+
−
+
−
+
−typedef struct
+
−{
+
−  char const *Name;
+
−  USHORT (*drv_Init)(USHORT, T_DRV_CB_FUNC, T_DRV_EXPORT const **);
+
−  char const *Process;
+
−  void const *DrvConfig;
+
−} T_DRV_LIST_ENTRY;
+
−
+
−typedef struct
+
−{
+
−  T_DRV_LIST_ENTRY DrvEntry [ 5 ];
+
−} T_DRV_LIST;
+
−
+
−/*==== END OF FILE ==========================================================*/
+
−#endif