mac_low_level.c

Zigbee2006入门（源代码+文档讲解+系统推荐）

/**************************************************************************************************
    Filename:
    Revised:        $Date: 2007-01-10 11:56:57 -0800 (Wed, 10 Jan 2007) $
    Revision:       $Revision: 13262 $

    Description:

    Describe the purpose and contents of the file.

    Copyright (c) 2006 by Texas Instruments, Inc.
    All Rights Reserved.  Permission to use, reproduce, copy, prepare
    derivative works, modify, distribute, perform, display or sell this
    software and/or its documentation for any purpose is prohibited
    without the express written consent of Texas Instruments, Inc.
**************************************************************************************************/


/* ------------------------------------------------------------------------------------------------
 *                                          Includes
 * ------------------------------------------------------------------------------------------------
 */

/* hal */
#include "hal_types.h"
#include "hal_mcu.h"

/* exported low-level */
#include "mac_low_level.h"

/* low-level specific */
#include "mac_radio.h"
#include "mac_rx.h"
#include "mac_tx.h"
#include "mac_rx_onoff.h"
#include "mac_backoff_timer.h"
#include "mac_sleep.h"

/* target specific */
#include "mac_radio_defs.h"

/* debug */
#include "mac_assert.h"


/**************************************************************************************************
 * @fn          macLowLevelInit
 *
 * @brief       Initialize low-level MAC.  Called only once on system power-up.
 *
 * @param       none
 *
 * @return      none
 **************************************************************************************************
 */
void macLowLevelInit(void)
{
  /* initialize mcu before anything else */
  MAC_RADIO_MCU_INIT();

  /* software initialziation */
  macRadioInit();
  macRxOnOffInit();
  macRxInit();
  macTxInit();
  macBackoffTimerInit();
}


/**************************************************************************************************
 * @fn          macLowLevelReset
 *
 * @brief       Reset low-level MAC.
 *
 * @param       none
 *
 * @return      none
 **************************************************************************************************
 */
void macLowLevelReset(void)
{
  MAC_ASSERT(!HAL_INTERRUPTS_ARE_ENABLED());   /* interrupts must be disabled */

  /* reset radio modules;  if not awake, skip this */
  if (macSleepState == MAC_SLEEP_STATE_AWAKE)
  {
    macRxTxReset();
    macRadioReset();
  }

  /* reset timer */
  macBackoffTimerReset();

  /* power up the radio */
  macSleepWakeUp();
}


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