Crew Commander - Master Service Pseudocode

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

Module

MasterService.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

// This Module

#include "MasterService.h"

#include "ES_Configure.h"

#include "ES_Framework.h"

#include "dbprintf.h"

#include "CrewService.h"

#include "Servo.h"

#include "LEDService.h"

#include "string.h"

#include "PIC32_SPI_HAL.h"

#include "ButtonChecker.h"

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

#define ONE_SEC 1000

#define IDLE_SEC (ONE_SEC * 20)

#define GAMETIME_SEC (ONE_SEC * 42)

#define PROGRESS_SEC (ONE_SEC * 5)

#define RESULT_SEC (ONE_SEC * 10)

#define MESSAGE_SEC (ONE_SEC / 5)

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

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

relevant to the behavior of this service

/*---------------------------- Module Variables ---------------------------*/

// with the introduction of Gen2, we need a module level Priority variable

static uint8_t MyPriority;

MasterServiceState_t CurrentMasterState = Master_Idle;

MasterServiceState_t NextMasterState = Master_Idle;

static int progress_index = 0;

static char message[14];

static const char welcome_message[] = "2x COINs Plz ";

static const char welcome_message2[] = "1x MORE Plz! ";

static const char win_message[] = "YEAH YOU WIN ";

static const char lose_message[] = "OOPS YOU DIE ";

static const char user_left_message[] = "User Left ";

static int string_length;

static int string_index;

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

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

Function

InitMasterService

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

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

bool InitMasterService(uint8_t Priority)

{

Declare ThisEvent as ES_Event_t

Set MyPriority to Priority

Print compilation details time and date

Print "Crew Commander ON"

Print "Ready to Play"

Print "Please Insert Two Chips"

Call InitButtonChecker()

Call InitProgressLED()

Set message to welcome_message

Set string_length to size of message

Reset string_index to 0

Clear the LED display buffer for that row

Call ShowMessage(ThisEvent, message)

Set ThisEvent.EventType to ES_INIT

If ES_PostToService(MyPriority, ThisEvent) returns true:

Return true

Else:

Return false

EndIf

}

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

Function

PostMasterService

Parameters

EF_Event_t ThisEvent ,the event to post to the queue

Returns

bool false if the Enqueue operation failed, true otherwise

Description

Posts an event to this state machine's queue

Notes

Author

J. Edward Carryer, 10/23/11, 19:25

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

bool PostMasterService(ES_Event_t ThisEvent)

{

return ES_PostToService(MyPriority, ThisEvent);

}

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

Function

RunMasterService

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

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

ES_Event_t RunMasterService(ES_Event_t ThisEvent)

{

Initialize ReturnEvent to ES_NO_EVENT

Initialize GameProgressEvent

Switch CurrentMasterState:

Case Master_Idle:

If ThisEvent is COIN_INSERT:

Set NextMasterState to One_Coin_In

Initialize Progress LED

Start MASTERSERVICE_TIMER with IDLE_SEC

Set message to welcome_message2

Reset string_length and string_index

Clear 8 rows of display buffer

EndIf

Display message using ShowMessage(ThisEvent, message)

Case One_Coin_In:

If ThisEvent is COIN_INSERT:

Set NextMasterState to Game_Running

Set GameProgressEvent.EventType to GAME_START

Reset progress_index

Initialize Progress LED

Post GameProgressEvent to all services

Start MASTERSERVICE_TIMER, GAME_TIMER, and PROGRESS_TIMER

Clear 8 rows of display buffer

Print "GAME START"

ElseIf ThisEvent is ES_TIMEOUT and Timer is MASTERSERVICE_TIMER:

Set NextMasterState to Master_Idle

Set GameProgressEvent.EventType to USER_LEFT

Print "User Left Game"

Set message to user_left_message

Reset string_length and string_index

Post GameProgressEvent to all services

EndIf

Display message using ShowMessage(ThisEvent, message)

Case Game_Running:

If ThisEvent is PLAYING:

Stay in Game_Running

Reset MASTERSERVICE_TIMER

ElseIf ThisEvent is LOSE:

Set NextMasterState to Game_Complete

Start MASTERSERVICE_TIMER and MESSAGE_TIMER with RESULT_SEC and MESSAGE_SEC

Set message to lose_message

Reset string_length and string_index

Clear 8 rows of display buffer

Print "YOU LOSE"

ElseIf ThisEvent is ES_TIMEOUT and Timer is MASTERSERVICE_TIMER:

Set NextMasterState to Game_Complete

Set GameProgressEvent.EventType to USER_LEFT

Post GameProgressEvent

Start MASTERSERVICE_TIMER and MESSAGE_TIMER

Set message to user_left_message

Reset string_length and string_index

Clear 8 rows of display buffer

Print "User Left Game"

ElseIf ThisEvent is ES_TIMEOUT and Timer is GAME_TIMER:

Set NextMasterState to Game_Complete

Set GameProgressEvent.EventType to WIN

Post GameProgressEvent

Start MASTERSERVICE_TIMER and MESSAGE_TIMER

Set message to win_message

Reset string_length and string_index

Clear 8 rows of display buffer

Print "YOU WIN"

ElseIf ThisEvent is ES_TIMEOUT and Timer is PROGRESS_TIMER:

Stay in Game_Running

Restart PROGRESS_TIMER

If progress_index < 8:

Activate next LED based on progress_index and increment progress_index

EndIf

Case Game_Complete:

If ThisEvent is ES_TIMEOUT and Timer is MASTERSERVICE_TIMER:

Set NextMasterState to Master_Idle

Set GameProgressEvent.EventType to GAMERESULT_OVER

Initialize Progress LED

Post GameProgressEvent to LEDService and Servo

Set message to welcome_message

Reset string_length and string_index

Clear 8 rows of display buffer

Print "END OF CELEBRATION"

EndIf

Display message using ShowMessage(ThisEvent, message)

Default:

Do nothing

Update CurrentMasterState to NextMasterState

Return ReturnEvent

}

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

private functions

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

void ShowMessage(ES_Event_t ThisEvent, char* message)

{

If ThisEvent is ES_TIMEOUT AND Timer is not MASTERSERVICE_TIMER:

Start MESSAGE_TIMER with MESSAGE_SEC

If ThisEvent is ES_TIMEOUT AND Timer is MESSAGE_TIMER:

If string_index less than string_length - 1:

Set ThisEvent.EventType to ES_NEW_KEY

Set ThisEvent.EventParam to ASCII value of message[string_index]

Post ThisEvent to LEDService

Increment string_index

Else:

Reset string_index to 0

EndIf

}

void InitProgressLED(void)

{

Set each pin as output individually, pins: RB4, 5, 6, 2, 8, 9, 10, 11

Set each pin low initially, pins: RB4, 5, 6, 2, 8, 9, 10, 11

}

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

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