//-----------------------------------------------------------------------------
// $Id: ProfiM.h,v 1.0.0                                            2004/01/13
//-----------------------------------------------------------------------------
//
//      ProfiM - PROFIBUS MASTER DRIVER FOR WINDOWS NT/2000
//
// Author:  
//      Pavel Trnka, CTU FEE
//      trnkap@seznam.cz
// With help and advices from:
//      Ing. Petr Smolik, CTU FEE
//      Ing. Pavel Pisa, CTU FEE
//      Ing. Pavel Burget, CTU FEE
//
//-----------------------------------------------------------------------------


#define DEF_PORT_ADDRESS    0x2F8
#define DEF_PORT_RANGE      0x07
#define DEF_IRQ_LINE        0x03


//---------------------------------------------------------------------------
//  Deklarace struktury TProfibus
//
struct  TProfibus;  


enum TModemIntStatus
{
  MI_Enabled,
  MI_Disabled,
  MI_JustDisabled
};


//---------------------------------------------------------------------------
//
// *Note*
// ALL variables and data storage should be placed in 
// the following data structure.
//

typedef struct _PROFIM_DEVICE_EXTENSION
{
    int                   magic;      // structure control identificator
    PDEVICE_OBJECT        DeviceObject;
    PKINTERRUPT           InterruptObject;
    KIRQL                 Irql;
    ULONG                 InterruptCount;
    ULONG                 RcvError;
    ULONG                 ioCtlCode;
    PUCHAR                PortAddress;
    KIRQL                 IRQLine;
    ULONG                 BaudRate;
    COMPORT               ComPort;
    KEVENT                XmitDone;

    
    int                   BufferSize;
    
    PUCHAR                XmitBuffer;
    
    // ke kazdemu znaku z bufferu urcuje jeho typ
    PUCHAR                XmitTypeBuffer; 
    
    // index prvniho bytu pro vysilani
    int                   XmitFirst;    
    
    // index poslendiho prazdneho mista v bufferu - o jeden znak 
    // za poslednim pridanym bytem
    int                   XmitLast;   
    
    // Indikuje nastaveni smeru na vysilani
    BOOLEAN               Sending;    
    
    // typ znaku, ktery je prave vysilan (DATA/TIMING/SYN)
    int                   ActualType;   
    
    // odpocitavadlo RX preruseni - po vynulovani zmena smeru vysilani
    int                   RXCountDown;  

    TProfibus             PB;

    // Flusch Timing Chars - priznak k vymazani vsech casovacich
    // znaku ze zacatku vysilaci fronty
    BOOLEAN               FlushTCH;       

#ifdef PISA_IO
    enum TModemIntStatus  ModemInterruptState;
    __int64               MIEnabledTime;
#endif

//#ifdef PnP
    // <PnP>
    ULONG                 State;            // State for PnP Purposes
    PDEVICE_OBJECT        PhysicalDeviceObject;
    PDEVICE_OBJECT        DeviceToSendIrpsTo;
    UNICODE_STRING        ntdev_name;       // NT Device Name
    UNICODE_STRING        link_name;        // DOS Link Name
    KEVENT                RemoveEvent;      // Set when no PnP IRP pending
    long                  port;             // base port number
    int                   irq;              // irq number
    BOOLEAN               MappedPorts;      // Ports mapped into memory space
    ULONG                 InterruptAffinity;
    ULONG                 InterruptMode;  
    LONG                  OutstandingIO;    // Number of unfinished IRPs  
    // </PnP>    
//#endif

    // citac pro generovani Handle ID - identifikacni cislo prirazene kazdemu
    // nove oteviranemu handle k ProfiMu
    int                   HIDCounter;   
    TIrpBuffer            IrpB;
    
    int                   ChipOptions;
    unsigned              chip_temp;    // temporary variable for chip driver 
    unsigned              chip_buff[6]; // buffer for chip driver 
    int                   baud_div;     // used baud divisor 
    int                   baud_val;     // selected speed 
    long                  baud_base;    // XTAL base clocks 
    int                   chip_options; // additional chip minor diferences 
    
    
    BOOLEAN               Buffering;
    BOOLEAN               ContinueBuffering;  // unused?

    int                   RTL;          // Receiver Interrupt Trigger Level
    char                  FrameHeader[3];
    BOOLEAN               ContinueFrame;
        
    // WatchDog Trigger - zustane-li =1 pri vyvolani WatchDogRoutine (perioda 1s)
    // je proveden restart mastera. Nulovani je zajisteno v kazdem pruchodu ISR.
    int                   WatchDogTrigger;  
    
    KSPIN_LOCK            InterruptSpinLock;
    PIRP                  TempIrp;
    
    KDPC                  CompleteDPC;
    
    BOOLEAN               CompleteIrp;
    
    BOOLEAN               InterruptRunning; /*DEBUG*/
    BOOLEAN               SecondInterrupt; /*DEBUG*/
    UCHAR                 LastIIR; /*DEBUG*/
    
    BOOLEAN               PiKRON;
    
} PROFIM_DEVICE_EXTENSION, *PPROFIM_DEVICE_EXTENSION;


void                  StoreHIDinRB( fdl_rb *rb, int HID );
void                  StoreIRPinRB( fdl_rb *rb, PIRP IRP );
int                   ReadHIDfromRB( fdl_rb *rb );
PIRP                  ReadIRPfromRB( fdl_rb *rb );