shuffle.c

《OSEK/VDX汽车电子嵌入式软件编程技术》中光盘的资料

/************************************************
*
*	$Copyright    2001 Joseph J. Lemieux  ALL RIGHTS RESERVED. $
*
*	$Filename: C:\OSEKBook\src\CH13\src\shuffle.c $
*
*	Description: Processing Program for Shuffling Switch	
*
************************************************/
#ifndef SHUFFLEC
#define SHUFFLEC

/************************************************
*
*	Include files
*
************************************************/

#include "typedefs.h"
#include "os.h"
#include "init.h"
#include "hw.h"
#include "dispdrv.h"
#include "mpc555.h"
#include "cardgame.h"
#include "shuffle.h"
/************************************************
*
*	Local macros
*
************************************************/

/************************************************
*
*	Local type definitions
*
************************************************/

/************************************************
*
*	Local Function Prototypes
*
************************************************/

/************************************************
*
*	Local Variables
*
************************************************/

/************************************************
*
*	Local Constants
*
************************************************/

/************************************************
*
*	Functions
*
************************************************/
INTERRUPT void IOShuffleSwitchISR(void);
/************************************************
*
*   Function:     InitShuffleSwitch
*
*   Inputs:       type - type of initialization occurring.
*
*   Outputs:      none
*
*   Returns:      void
*
*   Description:  Initialize the Shuffle Switch counter.
*
************************************************/
void InitShuffleSwitch(InitType type)
{
   if(type==INIT_STARTUP)
   {
      InitCounter(SHUFFLE_COUNTER,0);
   }
   Set_ExtISR((ULONG *)IOShuffleSwitchISR,V_LEV0);
}

/************************************************
*
*   Interrupt:    IOShuffleSwitchISR
*
*   Description:  Triggered on an edge of switch
*
************************************************/
INTERRUPT void IOShuffleSwitchISR(void)
{
TickType tick;
UINT32 temp;
   temp = mios1Int.mios1sr0;
   mios1Int.mios1sr0 = ~(0x1000);
   if(GetGameState() == GAME_SHUFFLING){
//      EnterISR();
      if(GetAlarm(ShuffleAlarm,(TickRefType)&tick) == E_OS_NOFUNC){
         SetAbsAlarm(ShuffleAlarm,5,3);
         WriteDisplay("\fSHUFFLING -");
      }
      CancelAlarm(ShufflingCompleteAlarm);
      SetRelAlarm(ShufflingCompleteAlarm,1000,0);
      IncrCounter(SHUFFLE_COUNTER);
//      LeaveISR();
   }
}

/************************************************
*
*   Task:         ShufflingComplete
*
*   Description:  Task that is triggered when shuffling
*                 is complete.
*
************************************************/
TASK(ShufflingComplete)
{
   SetEvent(DealCards,SHUFFLED);
   SetEvent(ProcessKeyPress,SHUFFLED);
   TerminateTask();
}
#endif /* SHUFFLEC */