cardgame.c

来自「《OSEK/VDX汽车电子嵌入式软件编程技术》中光盘的资料」· C语言 代码 · 共 95 行

/************************************************
*
*	$Copyright    2001 Joseph J. Lemieux  ALL RIGHTS RESERVED. $
*
*	$Filename: C:\OSEKBook\src\CH04\src\cardgame.c $
*
*	Description:	
*
************************************************/
#ifndef CARDGAMEC
#define CARDGAMEC

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

#include "typedefs.h"
#include "os.h"
#include "keypad.h"
#include "dispdrv.h"
#include "cardgame.h"

DeclareTask(OutputDisplay);

/************************************************
*
*	Local macros
*
************************************************/

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

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

/************************************************
*
*	Local Variables
*
************************************************/
BOOLEAN blankState = FALSE;
/************************************************
*
*	Local Constants
*
************************************************/

/************************************************
*
*	Functions
*
************************************************/

/************************************************
*
*   Task:         ProcessKeyPress
*
*   Description:  Main dispatching task that processes
*                 all key presses as they occur.
*
************************************************/
TASK(ProcessKeyPress)
{
   switch(keyValue)
   {
      case '#':
         if(blankState == TRUE)
         {
            strcpy(displayBuffer,"\f");
            blankState = FALSE;
         }
         else
         {
            blankState = TRUE;
            strcpy(displayBuffer,"#");
         }
         break;
      default:
         blankState = FALSE;
         displayBuffer[0] = keyValue;
         displayBuffer[1] = 0;
   }
   ChainTask(OutputDisplay);
}
#endif /* CARDGAMEC */