Coin Slot Event Checker Code

/****************************************************************************

 Module

   CoinSlotChecker.c

 Revision

   1.0.1

 Description

   This is a template file for implementing a simple service under the

   Gen2 Events and Services Framework.

 Notes

 History

 When           Who What/Why

 -------------- --- --------

 01/16/12 09:58 jec  began conversion from TemplateFSM.c

****************************************************************************/

/*----------------------------- Include Files -----------------------------*/

/* include header files for this state machine as well as any machines at the

   next lower level in the hierarchy that are sub-machines to this machine

*/

#include "ES_Configure.h"

#include "ES_Framework.h"

#include "CoinSlotChecker.h"

#include "GameFSM.h"

#include "dbprintf.h"

#include "PIC32_AD_Lib.h"

/*----------------------------- Module Defines ----------------------------*/

static uint32_t LastCoinSlotState;

static uint32_t CoinSlotResult[1];

static uint32_t Coins;

static uint32_t LastTickCount;

#define ONE_SEC 1000

#define HALF_SEC (ONE_SEC / 2)

#define TWO_SEC (ONE_SEC * 2)

#define FIVE_SEC (ONE_SEC * 5)

#define TWENTY_SEC (ONE_SEC * 20)

/*---------------------------- Module Functions ---------------------------*/

/* prototypes for private functions for this service.They should be functions

   relevant to the behavior of this service

*/

/*------------------------------ Module Code ------------------------------*/

/****************************************************************************

 Function

     InitTemplateService

 Parameters

     uint8_t : the priorty of this service

 Returns

     bool, false if error in initialization, true otherwise

 Description

     Saves away the priority, and does any

     other required initialization for this service

 Notes

 Author

     J. Edward Carryer, 01/16/12, 10:00

****************************************************************************/

void InitCoinSlotChecker(void)

{

    LastCoinSlotState = PORTBbits.RB4;

    Coins = 0;

}

/****************************************************************************

 Function

    RunTemplateService

 Parameters

   ES_Event_t : the event to process

 Returns

   ES_Event, ES_NO_EVENT if no error ES_ERROR otherwise

 Description

   add your description here

 Notes

 Author

   J. Edward Carryer, 01/15/12, 15:23

****************************************************************************/

bool Check4Coin(void)

{

bool ReturnVal = false;

if(QueryGameFSM() == Idle)

{

     uint32_t CurrentCoinSlotState = PORTBbits.RB4;

        ES_Event_t ThisEvent;

     uint32_t CurrentTickCount = ES_Timer_GetTime();

     if (CurrentCoinSlotState == 0 && Coins < 1)

     {

         //DB_printf("Coin Inserted\r\n");

            ReturnVal= true;

            Coins++;

            LastTickCount = ES_Timer_GetTime();

            ThisEvent.EventType = COIN_INSERT;

         PostGameFSM(ThisEvent);

     }

     else if(CurrentTickCount - LastTickCount > 300)

     {

            Coins = 0;

     }

        LastCoinSlotState = CurrentCoinSlotState;

}

return ReturnVal;

}

/***************************************************************************

 private functions

 ***************************************************************************/

/*------------------------------- Footnotes -------------------------------*/

/*------------------------------ End of file ------------------------------*/