ZIGBEE電源管理POWER_SAVING有關的函數(shù)

少占魚 2013-02-18

展開全文

POWER_SAVING有關的函數(shù)

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 )
{
    // 所有的任務都支持低功耗
    if ( pwrmgr_attribute.pwrmgr_task_state == 0 )
    {
      // Hold off interrupts.
      HAL_ENTER_CRITICAL_SECTION( intState );

// 得到下一次的睡眠時間

next = osal_next_timeout();

// Re-enable interrupts.
HAL_EXIT_CRITICAL_SECTION( intState );

// 進入睡眠模式

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 進入深度睡眠，否則進入淺睡眠

halPwrMgtMode = (timeout == 0) ? HAL_SLEEP_DEEP : HAL_SLEEP_TIMER;

//深度睡眠只有在zgPollRate == 0才會產(chǎn)生，這樣是為了盡可能的減少進入深度睡眠的次數(shù)

#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();

//關閉MAC和無線電全部電源
if (MAC_PwrOffReq(MAC_PWR_SLEEP_DEEP) == MAC_SUCCESS)

{
      while ( (HAL_SLEEP_MS_TO_320US(halAccumulatedSleepTime) < timeout) || (timeout == 0) )
      {
        //關閉外設，進入睡眠，此處函數(shù)為空
        HalKeyEnterSleep();

#ifdef HAL_SLEEP_DEBUG_LED
        HAL_TURN_OFF_LED3();
#else
        //關閉LED燈，進入睡眠
        HalLedEnterSleep();
#endif

      //啟動睡眠定時器中斷
        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); //設置睡眠定時器時間
          }

          HAL_SLEEP_TIMER_CLEAR_INT();//清除中斷標志
          HAL_SLEEP_TIMER_ENABLE_INT();//啟動定時器
        }

#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); //設置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

//如果有按鍵按下，跳出睡眠模式，使能所有中斷

      if ( HalKeyExitSleep() )
        {
          break;
        }

        if ( timeout == 0 ) break;
      }//end while

MAC_PwrOnReq();//打開MAC和無線電電源

}//end if

HAL_ENABLE_INTERRUPTS();
}
}

2、osal_pwrmg.c 中 osal_pwrmgr_powerconserve()

3、osal_timer.c 中 osal_adjust_timers(),osal_next_timeout

4、hal_mcu.h 中

#ifdef POWER_SAVING

#define CLEAR_SLEEP_MODE() st(SLEEPCMD &= ~PMODE;)
#else
#define CLEAR_SLEEP_MODE()
#endif

5、hal_driver.c中

Hal_ProcessEvent（）函數(shù)中只對系統(tǒng)消息事件，按鍵，睡眠定時器事件進行處理

uint16 Hal_ProcessEvent( uint8 task_id, uint16 events )
{
uint8 *msgPtr;

(void)task_id; // Intentionally unreferenced parameter

if ( events & SYS_EVENT_MSG ) //系統(tǒng)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 ) //燈事件
{
#if (defined (BLINK_LEDS)) && (HAL_LED == TRUE)
HalLedUpdate();
#endif
return events ^ HAL_LED_BLINK_EVENT;
}