example1.c

jennic jn5139模块使用io引脚作为中断线的代码

/****************************************************************************
 *
 * MODULE:             example1.c
 *
 * COMPONENT:          $RCSfile: $
 *
 * VERSION:            $Name: $
 *
 * REVISION:           $Revision: $
 *
 * DATED:              $Date: $
 *
 * STATUS:             $State: Exp $
 *
 * AUTHOR:             Mozammul Ahmed
 *
 * DESCRIPTION:
 *
 * LAST MODIFIED BY:   $Author: $
 *                     $Modtime: $
 *
 ****************************************************************************
 *
 * This software is owned by Jennic and/or its supplier and is protected
 * under applicable copyright laws. All rights are reserved. We grant You,
 * and any third parties, a license to use this software solely and
 * exclusively on Jennic products. You, and any third parties must reproduce
 * the copyright and warranty notice and any other legend of ownership on each
 * copy or partial copy of the software.
 *
 * THIS SOFTWARE IS PROVIDED "AS IS". JENNIC MAKES NO WARRANTIES, WHETHER
 * EXPRESS, IMPLIED OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE,
 * ACCURACY OR LACK OF NEGLIGENCE. JENNIC SHALL NOT, IN ANY CIRCUMSTANCES,
 * BE LIABLE FOR ANY DAMAGES, INCLUDING, BUT NOT LIMITED TO, SPECIAL,
 * INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR ANY REASON WHATSOEVER.
 *
 * Copyright Jennic Ltd 2005, 2006. All rights reserved
 *
 ****************************************************************************/

/****************************************************************************/
/***        Include files                                                 ***/
/****************************************************************************/
#include <jendefs.h>
#include <AppHardwareApi.h>
#include <AppQueueApi.h>

/****************************************************************************/
/***        Macro Definitions                                             ***/
/****************************************************************************/

/****************************************************************************/
/***        Type Definitions                                              ***/
/****************************************************************************/

/****************************************************************************/
/***        Local Function Prototypes                                     ***/
/****************************************************************************/
PRIVATE void vInitSystem(void);
PRIVATE void vProcessEventQueues(void);
PRIVATE void vProcessIncomingHwEvent(AppQApiHwInd_s *psAHI_Ind);

/****************************************************************************/
/***        Exported Variables                                            ***/
/****************************************************************************/

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

PRIVATE bool_t bToggle = TRUE;

/****************************************************************************/
/***        Exported Functions                                            ***/
/****************************************************************************/
/****************************************************************************
 *
 * NAME: AppColdStart
 *
 * DESCRIPTION:
 * Entry point for application from boot loader. Initialises system and runs
 * main loop.
 *
 * RETURNS:
 * Never returns.
 *
 ****************************************************************************/
PUBLIC void AppColdStart(void)
{
    vInitSystem();

    while (1)
    {
        /* process any events that occurs */
        vProcessEventQueues();
    }
}

/****************************************************************************
 *
 * NAME: AppWarmStart
 *
 * DESCRIPTION:
 * Entry point for application from boot loader. Simply jumps to AppColdStart
 * as, in this instance, application will never warm start.
 *
 * RETURNS:
 * Never returns.
 *
 ****************************************************************************/
PUBLIC void AppWarmStart(void)
{
    AppColdStart();
}

/****************************************************************************/
/***        Local Functions                                               ***/
/****************************************************************************/

/****************************************************************************
 *
 * NAME: vInitSystem
 *
 * DESCRIPTION:
 *
 * RETURNS:
 * void
 *
 ****************************************************************************/
PRIVATE void vInitSystem(void)
{
    /* Setup interface to MAC */
    u32AppQApiInit(NULL, NULL, NULL);
    u32AHI_Init();

    /* Set SW1(dio9) to input and LED1(dio14) to output */
    vAHI_DioSetDirection(E_AHI_DIO9_INT, 0);
    vAHI_DioSetDirection(0, E_AHI_DIO14_INT);

    /* enable pullups on all inputs/unused pins  */
    vAHI_DioSetPullup(!E_AHI_DIO14_INT, E_AHI_DIO14_INT);

    /* turn LED off */
    vAHI_DioSetOutput(E_AHI_DIO14_INT, 0);

    /* set interrupt for DIO9 to occur on button release - rising edge */
    vAHI_DioInterruptEdge(E_AHI_DIO9_INT, 0);

    /* enable interrupt for DIO9 */
    vAHI_DioInterruptEnable(E_AHI_DIO9_INT, 0);
}

/****************************************************************************
 *
 * NAME: vProcessEventQueues
 *
 * DESCRIPTION:
 * Check each of the three event queues and process and items found.
 *
 * PARAMETERS:      Name            RW  Usage
 * None.
 *
 * RETURNS:
 * None.
 *
 * NOTES:
 * None.
 ****************************************************************************/
PRIVATE void vProcessEventQueues(void)
{
    MAC_MlmeDcfmInd_s *psMlmeInd;
    MAC_McpsDcfmInd_s *psMcpsInd;
    AppQApiHwInd_s    *psAHI_Ind;

    /* Check for anything on the MCPS upward queue */
    do
    {
        psMcpsInd = psAppQApiReadMcpsInd();
        if (psMcpsInd != NULL)
        {
            /* normally a user provided function such as
               vProcessIncomingMcps(psMcpsInd) would be called here  */
            vAppQApiReturnMcpsIndBuffer(psMcpsInd);
        }
    } while (psMcpsInd != NULL);

    /* Check for anything on the MLME upward queue */
    do
    {
        psMlmeInd = psAppQApiReadMlmeInd();
        if (psMlmeInd != NULL)
        {
            /* normally a user provided function such as
               vProcessIncomingMlme(psMlmeInd) would be called here  */
            vAppQApiReturnMlmeIndBuffer(psMlmeInd);
        }
    } while (psMlmeInd != NULL);

    /* Check for anything on the AHI upward queue */
    do
    {
        psAHI_Ind = psAppQApiReadHwInd();
        if (psAHI_Ind != NULL)
        {
            vProcessIncomingHwEvent(psAHI_Ind);
            vAppQApiReturnHwIndBuffer(psAHI_Ind);
        }
    } while (psAHI_Ind != NULL);
}

/****************************************************************************
 *
 * NAME: vProcessIncomingHwEvent
 *
 * DESCRIPTION:
 * Process any hardware events.
 *
 * PARAMETERS:      Name            RW  Usage
 *                  psAHI_Ind
 *
 * RETURNS:
 * None.
 *
 * NOTES:
 * None.
 ****************************************************************************/
PRIVATE void vProcessIncomingHwEvent(AppQApiHwInd_s *psAHI_Ind)
{
    /* Check to see if hardware indication was from DIO9 */
    if ((psAHI_Ind->u32DeviceId == E_AHI_DEVICE_SYSCTRL)
        && (psAHI_Ind->u32ItemBitmap & E_AHI_DIO9_INT))
    {
        if(bToggle)
        {
            /* drive DIO14 LOW */
            vAHI_DioSetOutput(0, E_AHI_DIO14_INT);
        }
        else
        {
            /* drive DIO14 HIGH */
            vAHI_DioSetOutput(E_AHI_DIO14_INT, 0);
        }

        bToggle = !bToggle;
    }
}

/****************************************************************************/
/***        END OF FILE                                                   ***/
/****************************************************************************/