POWER_SAVING有关的函数1、  osal.c 中   osal_start_system()----> osal_pwrmgr_powerconserve();void osal_pwrmgr_powerconserve( void )
{
  uint16        next;
  halIntState_t intState;  // Should we even look into power conservation
  if ( pwrmgr_attribute.pwrmgr_device != PWRMGR_ALWAYS_ON )
  {
    // 所有的任务都支持低功耗
    if ( pwrmgr_attribute.pwrmgr_task_state == 0 )
    {
      // Hold off interrupts.
      HAL_ENTER_CRITICAL_SECTION( intState );      // 得到下一次的睡眠时间          next = osal_next_timeout();      // Re-enable interrupts.
      HAL_EXIT_CRITICAL_SECTION( intState );      // 进入睡眠模式      OSAL_SET_CPU_INTO_SLEEP( next );  //halsleep(next);
    }
  }
} void halSleep( uint16 osal_timeout )
{
  uint32        timeout;
  uint32        macTimeout = 0;  halAccumulatedSleepTime = 0; 
  timeout = HAL_SLEEP_MS_TO_320US(osal_timeout);
  if (timeout == 0)
  {
    timeout = MAC_PwrNextTimeout();
  }
  else
  {
   
    macTimeout = MAC_PwrNextTimeout();   
    if ((macTimeout != 0) && (macTimeout < timeout))
    {
      timeout = macTimeout;
    }
  }  //如果timeout =0 进入深度睡眠，否则进入浅睡眠   halPwrMgtMode = (timeout == 0) ? HAL_SLEEP_DEEP : HAL_SLEEP_TIMER;  //深度睡眠只有在zgPollRate == 0才会产生，这样是为了尽可能的减少进入深度睡眠的次数

#if !defined (RTR_NWK) && defined (NWK_AUTO_POLL)
  if ((timeout > HAL_SLEEP_MS_TO_320US(PM_MIN_SLEEP_TIME)) ||
      (timeout == 0 && zgPollRate == 0))
#else
  if ((timeout > HAL_SLEEP_MS_TO_320US(PM_MIN_SLEEP_TIME)) ||
      (timeout == 0))
#endif
  {
    halIntState_t ien0, ien1, ien2;    HAL_ASSERT(HAL_INTERRUPTS_ARE_ENABLED());
    HAL_DISABLE_INTERRUPTS();   //关闭MAC和无线电全部电源
    if (MAC_PwrOffReq(MAC_PWR_SLEEP_DEEP) == MAC_SUCCESS){
      while ( (HAL_SLEEP_MS_TO_320US(halAccumulatedSleepTime) < timeout) || (timeout == 0) )
      {
        //关闭外设，进入睡眠，此处函数为空
        HalKeyEnterSleep();#ifdef HAL_SLEEP_DEBUG_LED
        HAL_TURN_OFF_LED3();
#else
        //关闭LED灯，进入睡眠
        HalLedEnterSleep();
#endif           //启动睡眠定时器中断
        if (timeout != 0)
        {
          if (timeout > HAL_SLEEP_MS_TO_320US( MAX_SLEEP_TIME ))
          {
            timeout -= HAL_SLEEP_MS_TO_320US( MAX_SLEEP_TIME );
            halSleepSetTimer(HAL_SLEEP_MS_TO_320US( MAX_SLEEP_TIME ));
          }
          else
          {
           
            halSleepSetTimer(timeout);  //设置睡眠定时器时间
          }         
          HAL_SLEEP_TIMER_CLEAR_INT();//清除中断标志
          HAL_SLEEP_TIMER_ENABLE_INT();//启动定时器
        }#ifdef HAL_SLEEP_DEBUG_LED
        if (halPwrMgtMode == CC2530_PM1)
        {
          HAL_TURN_ON_LED1();
        }
        else
        {
          HAL_TURN_OFF_LED1();
        }
#endif       
        HAL_SLEEP_IE_BACKUP_AND_DISABLE(ien0, ien1, ien2);
        HAL_ENABLE_INTERRUPTS();       
        HAL_SLEEP_SET_POWER_MODE(halPwrMgtMode);  //设置SLEEP.MODE=halPwrMgtMode,PCON.IDLE=1
        HAL_DISABLE_INTERRUPTS();       
        HAL_SLEEP_IE_RESTORE(ien0, ien1, ien2);       
        HAL_SLEEP_TIMER_DISABLE_INT();       
        halAccumulatedSleepTime += (HalTimerElapsed() / TICK_COUNT);       
        if ( osal_timeout > halAccumulatedSleepTime)
        {
          osal_timeout -= halAccumulatedSleepTime;
        }#ifdef HAL_SLEEP_DEBUG_LED
        HAL_TURN_ON_LED3();
#else
       
        HalLedExitSleep();
#endif               //如果有按键按下，跳出睡眠模式，使能所有中断      if ( HalKeyExitSleep() )
        {
          break;
        }       
        if ( timeout == 0 ) break;
      }//end while     
      MAC_PwrOnReq();//打开MAC和无线电电源    }//end if    HAL_ENABLE_INTERRUPTS();
  }
}   2、osal_pwrmg.c 中 osal_pwrmgr_powerconserve()3、osal_timer.c 中  osal_adjust_timers(),osal_next_timeout4、hal_mcu.h  中#ifdef POWER_SAVING   #define CLEAR_SLEEP_MODE() st(SLEEPCMD &= ~PMODE;) 
#else
  #define CLEAR_SLEEP_MODE()
#endif5、hal_driver.c中Hal_ProcessEvent（）函数中 只对系统消息事件，按键，睡眠定时器事件进行处理uint16 Hal_ProcessEvent( uint8 task_id, uint16 events )
{
  uint8 *msgPtr;
 
  (void)task_id;  // Intentionally unreferenced parameter  if ( events & SYS_EVENT_MSG )  //系统消息事件{
    msgPtr = osal_msg_receive(Hal_TaskID);    while (msgPtr)
    {      osal_msg_deallocate( msgPtr );
     
      msgPtr = osal_msg_receive( Hal_TaskID );
    }
    return events ^ SYS_EVENT_MSG;
  }  if ( events & HAL_LED_BLINK_EVENT )  //灯事件
  {
#if (defined (BLINK_LEDS)) && (HAL_LED == TRUE)
    HalLedUpdate();
#endif
    return events ^ HAL_LED_BLINK_EVENT;
  }  if (events & HAL_KEY_EVENT)   //处理按键事件
  {#if (defined HAL_KEY) && (HAL_KEY == TRUE)
   
    HalKeyPoll();   
    if (!Hal_KeyIntEnable)
    {
      osal_start_timerEx( Hal_TaskID, HAL_KEY_EVENT, 100);
    }
#endif // HAL_KEY    return events ^ HAL_KEY_EVENT;
  }#ifdef POWER_SAVING
  if ( events & HAL_SLEEP_TIMER_EVENT )  //该部分处理睡眠定时器事件
  {
    halRestoreSleepLevel();//为空函数return events ^ HAL_SLEEP_TIMER_EVENT;
  }
#endif 
  return 0;} 6、ZDApp.c 中ZDApp_DeviceAuthEvt（）函数#if defined ( POWER_SAVING )
    osal_pwrmgr_device( PWRMGR_BATTERY );
#endifZDApp_ProcessNetworkJoin（）函数中#if defined ( POWER_SAVING )
      osal_pwrmgr_device( PWRMGR_BATTERY );
#endifvoid osal_pwrmgr_device( uint8 pwrmgr_device )
{
 //PWRMGR_BATTERY 低功耗，PWRMGR_ALWAYS_ON正常工作模式 pwrmgr_attribute.pwrmgr_device = pwrmgr_device;  }