Print Service Code

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

 Module

   PrintService.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 "PrintService.h"

#include "LEDService.h"

#include "dbprintf.h"

#include <stdio.h>

#include <string.h>

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

#define HALF_SEC 500

/*---------------------------- 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;

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

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

 Function

     InitPrintService

 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 InitPrintService(uint8_t Priority)

{

  ES_Event_t ThisEvent;

  MyPriority = Priority;

  DB_printf("Print Service Initialized\r\n");

  // post the initial transition event

  ThisEvent.EventType = ES_INIT;

  if (ES_PostToService(MyPriority, ThisEvent) == true)

  {

return true;

  }

  else

  {

return false;

  }

}

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

 Function

     PostPrintService

 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 PostPrintService(ES_Event_t ThisEvent)

{

  return ES_PostToService(MyPriority, ThisEvent);

}

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

 Function

    RunPrintService

 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 RunPrintService(ES_Event_t ThisEvent)

{

  ES_Event_t ReturnEvent;

  ReturnEvent.EventType = ES_NO_EVENT; // assume no

  static int i = 0;

  static char toPrint[20] = "";

  switch (ThisEvent.EventType)

  {

case ES_INIT:

{

   DB_printf("\rES_INIT received in Service %d\r\n", MyPriority);

   ES_Timer_StopTimer(PRINT_TIMER);

}

break;

case ES_PRINT:   // re-start timer & announce

{

   ES_Timer_InitTimer(PRINT_TIMER, HALF_SEC);

   //DB_printf("ES_PRINT\r\n");

   strncpy(toPrint, ThisEvent.EventPrint, sizeof(toPrint) - 1);

      toPrint[sizeof(toPrint) - 1] = '\0';

}

break;

case ES_TIMEOUT:

{

   ES_Timer_InitTimer(PRINT_TIMER, HALF_SEC);

   //DB_printf("Timeout\r\n");

      ThisEvent.EventType = ES_MESSAGE;

      ThisEvent.EventParam = toPrint[i];

   PostLEDService(ThisEvent);

   if (i < strlen(toPrint) - 1){

        i++;

   } else {

        i = 0;

   }

}

break;

default:

{}

  break;

  }

  return ReturnEvent;

}

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

 private functions

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

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

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