/*
* ScanSrvSM.c
*
* Copyright(c) 1998 - 2010 Texas Instruments. All rights reserved.
* All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 or BSD License which accompanies
* this distribution. The Eclipse Public License is available at
* http://www.eclipse.org/legal/epl-v10.html and the BSD License is as below.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name Texas Instruments nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/** \file ScanSrvSM.c
* \brief This file include the scan SRV Sm implementation
* \author Ronen Kalish
* \date 10-Jan-2005
*/
#define __FILE_ID__ FILE_ID_116
#include "ScanSrvSM.h"
#include "ScanSrv.h"
#include "report.h"
#include "timer.h"
#include "MacServices_api.h"
#include "PowerSrv_API.h"
#include "CmdBld.h"
/********************************************************************************/
/* Internal functions prototypes. */
/********************************************************************************/
static TI_STATUS scanSRVSM_PsFailWhileScanning( TI_HANDLE hScanSrv );
static TI_STATUS actionNop( TI_HANDLE hScanSrv );
static TI_STATUS actionUnexpected( TI_HANDLE hScanSrv );
/********************************************************************************/
/* Interface functions Implementation. */
/********************************************************************************/
/**
* \author Ronen Kalish\n
* \date 10-Jan-2005\n
* \brief Initialize the scan SRV SM.
*
* Function Scope \e Public.\n
* \param hScanSrv - handle to the scan SRV object.\n
* \return TI_OK if successful, TI_NOK otherwise.\n
*/
TI_STATUS scanSRVSM_init( TI_HANDLE hScanSrv )
{
scanSRV_t* pScanSRV = (scanSRV_t*)hScanSrv;
fsm_actionCell_t smMatrix[ SCAN_SRV_NUM_OF_STATES ][ SCAN_SRV_NUM_OF_EVENTS ] =
{
/* next state and actions for IDLE state */
{
{SCAN_SRV_STATE_PS_WAIT, scanSRVSM_requestPS}, /*"REQUEST_PS",*/
{SCAN_SRV_STATE_IDLE, actionUnexpected}, /*"PS_FAIL",*/
{SCAN_SRV_STATE_SCANNING, scanSRVSM_startActualScan}, /*"PS_SUCCESS", */
{SCAN_SRV_STATE_IDLE, actionUnexpected}, /*"PS_PEND",*/
{SCAN_SRV_STATE_IDLE, actionUnexpected}, /*"STOP_SCAN"*/
{SCAN_SRV_STATE_IDLE, actionNop}, /*"FW_RESET"*/
{SCAN_SRV_STATE_IDLE, actionUnexpected}, /*"TIMER_EXPIRED"*/
{SCAN_SRV_STATE_IDLE, actionUnexpected}, /*"SCAN_COMPLETE"*/
},
/* next state and actions for PS_WAIT state */
{
{SCAN_SRV_STATE_PS_WAIT, actionUnexpected}, /*"REQUEST_PS",*/
{SCAN_SRV_STATE_PS_EXIT, scanSRVSM_releasePS}, /*"PS_FAIL",*/
{SCAN_SRV_STATE_SCANNING, scanSRVSM_startActualScan}, /*"PS_SUCCESS", */
{SCAN_SRV_STATE_PS_WAIT, actionNop}, /*"PS_PEND",*/
{SCAN_SRV_STATE_STOPPING, actionNop}, /*"STOP_SCAN"*/
{SCAN_SRV_STATE_IDLE, scanSRVSM_handleRecovery}, /*"FW_RESET"*/
{SCAN_SRV_STATE_PS_WAIT, actionUnexpected}, /*"TIMER_EXPIRED"*/
{SCAN_SRV_STATE_PS_WAIT, actionUnexpected}, /*"SCAN_COMPLETE"*/
},
/* next state and actions for SCANNING state */
{
{SCAN_SRV_STATE_SCANNING, actionUnexpected}, /*"REQUEST_PS",*/
{SCAN_SRV_STATE_SCANNING, scanSRVSM_PsFailWhileScanning}, /*"PS_FAIL",*/
{SCAN_SRV_STATE_SCANNING, actionUnexpected}, /*"PS_SUCCESS", */
{SCAN_SRV_STATE_SCANNING, actionUnexpected}, /*"PS_PEND",*/
{SCAN_SRV_STATE_STOPPING, actionNop }, /*"STOP_SCAN"*/
{SCAN_SRV_STATE_IDLE, scanSRVSM_handleRecovery}, /*"FW_RESET"*/
{SCAN_SRV_STATE_SCANNING, scanSRVSM_handleTimerExpiry}, /*"TIMER_EXPIRED"*/
{SCAN_SRV_STATE_PS_EXIT, scanSRVSM_releasePS}, /*"SCAN_COMPLETE"*/
},
/* next state and actions for STOPPING state */
{
{SCAN_SRV_STATE_STOPPING, actionUnexpected}, /*"REQUEST_PS",*/
{SCAN_SRV_STATE_PS_EXIT, scanSRVSM_releasePS}, /*"PS_FAIL",*/
{SCAN_SRV_STATE_PS_EXIT, scanSRVSM_releasePS}, /*"PS_SUCCESS", */
{SCAN_SRV_STATE_STOPPING, actionUnexpected}, /*"PS_PEND",*/
{SCAN_SRV_STATE_STOPPING, actionNop }, /*"STOP_SCAN"*/
{SCAN_SRV_STATE_IDLE, scanSRVSM_handleRecovery}, /*"FW_RESET"*/
{SCAN_SRV_STATE_STOPPING, scanSRVSM_handleTimerExpiry}, /*"TIMER_EXPIRED"*/
{SCAN_SRV_STATE_PS_EXIT, scanSRVSM_releasePS} /*"SCAN_COMPLETE"*/
} ,
/* next state and actions for PS_EXIT state */
{
{SCAN_SRV_STATE_PS_EXIT, actionUnexpected}, /*"REQUEST_PS",*/
{SCAN_SRV_STATE_IDLE, scanSRVSM_notifyScanComplete}, /*"PS_FAIL",*/
{SCAN_SRV_STATE_IDLE, scanSRVSM_notifyScanComplete}, /*"PS_SUCCESS", */
{SCAN_SRV_STATE_PS_EXIT, actionNop}, /*"PS_PEND",*/
{SCAN_SRV_STATE_PS_EXIT, actionNop}, /*"STOP_SCAN"*/
{SCAN_SRV_STATE_IDLE, scanSRVSM_handleRecovery}, /*"FW_RESET"*/
{SCAN_SRV_STATE_PS_EXIT, actionUnexpected}, /*"TIMER_EXPIRED"*/
{SCAN_SRV_STATE_PS_EXIT, actionUnexpected}, /*"SCAN_COMPLETE"*/
}
};
/* initialize current state */
pScanSRV->SMState = SCAN_SRV_STATE_IDLE;
/* configure the state machine */
return fsm_Config( pScanSRV->SM, (fsm_Matrix_t)smMatrix,
(TI_UINT8)SCAN_SRV_NUM_OF_STATES, (TI_UINT8)SCAN_SRV_NUM_OF_EVENTS,
(fsm_eventActivation_t)scanSRVSM_SMEvent, pScanSRV->hOS );
}
/**
* \author Ronen Kalish\n
* \date 10-Jan-2005\n
* \brief Processes an event.
*
* Function Scope \e Public.\n
* \param hScanSrv - handle to the scan SRV object.\n
* \param currentState - the current scan SRV SM state.\n
* \param event - the event to handle.\n
* \return TI_OK if successful, TI_NOK otherwise.\n
*/
TI_STATUS scanSRVSM_SMEvent( TI_HANDLE hScanSrv, scan_SRVSMStates_e* currentState,
scan_SRVSMEvents_e event )
{
scanSRV_t *pScanSRV = (scanSRV_t *)hScanSrv;
TI_STATUS status = TI_OK;
TI_UINT8 nextState;
/* obtain the next state */
status = fsm_GetNextState( pScanSRV->SM, *(TI_UINT8*)currentState, (TI_UINT8)event, &nextState );
if ( status != TI_OK )
{
TRACE2(pScanSRV->hReport, REPORT_SEVERITY_ERROR, "Failed getting scan SRV next state. state = %d event = %d\n", (TI_UINT8)*currentState,(TI_UINT8)event);
return TI_NOK;
}
TRACE3(pScanSRV->hReport, REPORT_SEVERITY_INFORMATION, "scanSRVSM_SMEvent: <currentState = %d, event = %d> --> nextState = %d\n", *currentState, event, nextState);
/* move */
return fsm_Event( pScanSRV->SM, (TI_UINT8*)currentState, (TI_UINT8)event, hScanSrv );
}
/**
* \author Ronen Kalish\n
* \date 10-Jan-2005\n
* \brief Request to enter driver mode from the power manager module.\n
*
* Function Scope \e Private.\n
* \param hScanSrv - handle to the scan SRV object.\n
* \return TI_OK if successful, TI_NOK otherwise.\n
*/
TI_STATUS scanSRVSM_requestPS( TI_HANDLE hScanSrv )
{
scanSRV_t *pScanSRV = (scanSRV_t*)hScanSrv;
TI_STATUS psStatus;
TRACE0( pScanSRV->hReport, REPORT_SEVERITY_INFORMATION, "Requesting Driver mode from PowerSave Srv.\n");
psStatus = powerSrv_ReservePS( pScanSRV->hPowerSrv,
pScanSRV->psRequest,
pScanSRV->bSendNullData,
hScanSrv,
MacServices_scanSRV_powerSaveCB);
switch (psStatus)
{
/* if successful */
case POWER_SAVE_802_11_IS_CURRENT:
/* send a PS_SUCCESS event */
TRACE0( pScanSRV->hReport, REPORT_SEVERITY_INFORMATION, "Driver mode successful, continuing to scan.\n");
return scanSRVSM_SMEvent( hScanSrv, (scan_SRVSMStates_e*)&pScanSRV->SMState, SCAN_SRV_EVENT_PS_SUCCESS );
/* if pending */
case POWER_SAVE_802_11_PENDING:
case TI_OK:
/* send a PS_PEND event */
TRACE0( pScanSRV->hReport, REPORT_SEVERITY_INFORMATION, "Driver mode pending, Waiting.\n");
return scanSRVSM_SMEvent( hScanSrv, (scan_SRVSMStates_e*)&pScanSRV->SMState, SCAN_SRV_EVENT_PS_PEND );
/* if not successful */
default:
/* mark not to exit from driver mode (no entry was performed) */
pScanSRV->bExitFromDriverMode = TI_FALSE;
/* if still wishing to scan */
if ( pScanSRV->bScanOnDriverModeFailure )
{
/* send a PS_SUCCESS event - scan will proceed regardless of the error */
TRACE0( pScanSRV->hReport, REPORT_SEVERITY_INFORMATION, "Driver mode failed, continuing to scan.\n");
scanSRVSM_SMEvent( hScanSrv, (scan_SRVSMStates_e*)&pScanSRV->SMState, SCAN_SRV_EVENT_PS_SUCCESS );
}
/* otherwise, return */
else
{
/* mark the return code */
pScanSRV->returnStatus = TI_NOK;
/* send a PS_FAIL event */
TRACE0( pScanSRV->hReport, REPORT_SEVERITY_INFORMATION, "Driver mode failed, aborting scan.\n");
scanSRVSM_SMEvent( hScanSrv, (scan_SRVSMStates_e*)&pScanSRV->SMState, SCAN_SRV_EVENT_PS_FAIL );
}
break;
}
return TI_OK;
}
/**
* \date 6-Oct-2005\n
* \brief Request to release PS mode from the PowerSRV , and wait for answer.\n\n
*
* Function Scope \e Private.\n
* \param hScanSrv - handle to the scan SRV object.\n
* \return TI_OK if successful, TI_NOK otherwise.\n
*/
TI_STATUS scanSRVSM_releasePS( TI_HANDLE hScanSrv )
{
scanSRV_t *pScanSRV = (scanSRV_t*)hScanSrv;
TI_STATUS psStatus;
/* stop timer */
if ( TI_TRUE == pScanSRV->bTimerRunning )
{
tmr_StopTimer (pScanSRV->hScanSrvTimer);
pScanSRV->bTimerRunning = TI_FALSE;
}
/* if exit from driver mode requested, do so */
if ( TI_TRUE == pScanSRV->bExitFromDriverMode )
{
/* here we need to get an answer if we succeeded to exit driver mode */
TRACE0( pScanSRV->hReport, REPORT_SEVERITY_INFORMATION, ": Releasing Driver mode from Power Srv.\n");
psStatus = powerSrv_ReleasePS( pScanSRV->hPowerSrv,
pScanSRV->bSendNullData,
hScanSrv,
MacServices_scanSRV_powerSaveCB);
}
else /* no need to exit PS - send PS_SUCCESS */
{
return scanSRVSM_SMEvent( hScanSrv, (scan_SRVSMStates_e*)&pScanSRV->SMState, SCAN_SRV_EVENT_PS_SUCCESS );
}
switch (psStatus)
{
/* if successful */
case POWER_SAVE_802_11_IS_CURRENT:
/* send a PS_SUCCESS event */
TRACE0( pScanSRV->hReport, REPORT_SEVERITY_INFORMATION, ": Driver mode exit successful, scan done.\n");
return scanSRVSM_SMEvent( hScanSrv, (scan_SRVSMStates_e*)&pScanSRV->SMState, SCAN_SRV_EVENT_PS_SUCCESS );
/* if pending */
case POWER_SAVE_802_11_PENDING:
case TI_OK:
/* stay in the PS_EXIT state */
TRACE0( pScanSRV->hReport, REPORT_SEVERITY_INFORMATION, ": Driver mode exit pending, Waiting.\n");
break;
/* if not successful */
default:
/* send a PS_FAIL event */
TRACE0( pScanSRV->hReport, REPORT_SEVERITY_INFORMATION, ": Driver mode exit failed, scan done.");
return scanSRVSM_SMEvent( hScanSrv, (scan_SRVSMStates_e*)&pScanSRV->SMState, SCAN_SRV_EVENT_PS_FAIL );
}
return TI_OK;
}
/**
* \author Ronen Kalish\n
* \date 10-Jan-2005\n
* \brief Send the scan command to the firmware.\n
*
* Function Scope \e Private.\n
* \param hScanSrv - handle to the scan SRV object.\n
* \return TI_OK if successful, TI_NOK otherwise.\n
*/
TI_STATUS scanSRVSM_startActualScan( TI_HANDLE hScanSrv )
{
scanSRV_t *pScanSRV = (scanSRV_t*)hScanSrv;
/* start the timer */
pScanSRV->bTimerRunning = TI_TRUE;
tmr_StartTimer (pScanSRV->hScanSrvTimer,
MacServices_scanSRV_scanTimerExpired,
(TI_HANDLE)pScanSRV,
MacServices_scanSRVcalculateScanTimeout (hScanSrv, pScanSRV->scanParams, !pScanSRV->bDtimOverlapping),
TI_FALSE);
TRACE1( pScanSRV->hReport, REPORT_SEVERITY_INFORMATION, "Sending scan , type: %x to HAL.\n",pScanSRV->scanParams->scanType);
/* start the scan */
/* we send the MacServices_scanSRVCommandMailBoxCB to be called when this command is recieved */
if ( SCAN_TYPE_SPS == pScanSRV->scanParams->scanType )
{
pScanSRV->returnStatus = cmdBld_CmdStartSPSScan (pScanSRV->hCmdBld, pScanSRV->scanParams, pScanSRV->eScanTag,
(void *)MacServices_scanSRVCommandMailBoxCB, hScanSrv);
}
else
{
pScanSRV->returnStatus = cmdBld_CmdStartScan (pScanSRV->hCmdBld, pScanSRV->scanParams, pScanSRV->eScanTag,
pScanSRV->bHighPriority , (void *)MacServices_scanSRVCommandMailBoxCB,
hScanSrv);
}
/* if scan request failed */
if ( TI_OK != pScanSRV->returnStatus )
{
TRACE1( pScanSRV->hReport, REPORT_SEVERITY_ERROR, "HAL returned code %d for scan request, quitting scan.\n", pScanSRV->returnStatus);
/* send a scan complete event. This will do all necessary clean-up (timer, power manager, notifying scan complete) */
scanSRVSM_SMEvent( hScanSrv, (scan_SRVSMStates_e*)&pScanSRV->SMState, SCAN_SRV_EVENT_SCAN_COMPLETE );
}
return TI_OK;
}
/**
* \author Ronen Kalish\n
* \date 10-Jan-2005\n
* \brief Notifies scan complete to upper layer.\n
*
* Function Scope \e Private.\n
* \param hScanSrv - handle to the scan SRV object.\n
* \return TI_OK if successful, TI_NOK otherwise.\n
*/
TI_STATUS scanSRVSM_notifyScanComplete( TI_HANDLE hScanSrv )
{
scanSRV_t *pScanSRV = (scanSRV_t*)hScanSrv;
TCmdResponseCb CB_Func;
TI_HANDLE CB_Handle;
TI_STATUS PSMode;
/* call the scan complete CB - only if not currently running from within a request context! */
if ( TI_FALSE == pScanSRV->bInRequest )
{
/* this means that ResponseFunc was not called yet , so we call it before ScanComplete */
if (pScanSRV->commandResponseFunc)
{
/* must erase CB function before calling it to enable nested scans */
CB_Func = pScanSRV->commandResponseFunc;
CB_Handle = pScanSRV->commandResponseObj;
pScanSRV->commandResponseFunc = NULL;
pScanSRV->commandResponseObj = NULL;
/* if we reached here than response status was TI_OK */
CB_Func(CB_Handle, TI_OK);
}
/* if function returns TI_TRUE than we are in PS mode , else - not */
PSMode = powerSrv_getPsStatus(pScanSRV->hPowerSrv) ? POWER_SAVE_802_11_SUCCESS : POWER_SAVE_802_11_FAIL;
TRACE2( pScanSRV->hReport, REPORT_SEVERITY_INFORMATION, "scanSRVSM_notifyScanComplete status = 0x%x PSMode = 0x%x\n",pScanSRV->returnStatus,PSMode);
TRACE0(pScanSRV->hReport, REPORT_SEVERITY_INFORMATION , "scanSRVSM_notifyScanComplete: call TWD_OWN_EVENT_SCAN_CMPLT CB. In std MacServices_scanSRV_scanCompleteCB()\n");
pScanSRV->scanCompleteNotificationFunc( pScanSRV->scanCompleteNotificationObj,
pScanSRV->eScanTag,
pScanSRV->uResultCount,
pScanSRV->SPSScanResult,
pScanSRV->bTSFError,
pScanSRV->returnStatus,
PSMode );
}
return TI_OK;
}
/**
* \author Ronen Kalish\n
* \date 10-Jan-2005\n
* \brief Handles a timer expiry event - starts a recovery process.
*
* Function Scope \e Private.\n
* \param hScanSrv - handle to the scan SRV object.\n
* \return TI_OK if successful, TI_NOK otherwise.\n
*/
TI_STATUS scanSRVSM_handleTimerExpiry( TI_HANDLE hScanSrv )
{
scanSRV_t *pScanSRV = (scanSRV_t*)hScanSrv;
/*
* No scan complete bug workaround:
* Only after a consecutive configurable number of no scan complete events the recovery trigger
* will be issued. This is done as a workaround for a bug in the FW where if a channel is too
* loaded it wouldn't be able to send a probe request and will get stuck waiting for this channel
*/
pScanSRV->currentNumberOfConsecutiveNoScanCompleteEvents++;
if ( pScanSRV->currentNumberOfConsecutiveNoScanCompleteEvents >=
pScanSRV->numberOfNoScanCompleteToRecovery )
{
TRACE0( pScanSRV->hReport, REPORT_SEVERITY_ERROR, ": Timer expired. Starting recovery process.\n");
pScanSRV->currentNumberOfConsecutiveNoScanCompleteEvents = 0;
/* mark the return status */
pScanSRV->returnStatus = TI_NOK;
/* mark that the timer is no longer running */
pScanSRV->bTimerRunning = TI_FALSE;
/* call the recovery module */
pScanSRV->failureEventFunc(pScanSRV->failureEventObj ,NO_SCAN_COMPLETE_FAILURE);
}
else
{
TRACE2( pScanSRV->hReport, REPORT_SEVERITY_ERROR, ": Timer expired. consecutive failures:%d, threshold:%d, still not calling recovery.\n", pScanSRV->currentNumberOfConsecutiveNoScanCompleteEvents, pScanSRV->numberOfNoScanCompleteToRecovery);
/* send a top scan command, which can help solving the FW bug described above */
if ( TI_FALSE == pScanSRV->bSPSScan )
{
cmdBld_CmdStopScan (pScanSRV->hCmdBld, pScanSRV->eScanTag, NULL, NULL);
}
else
{
cmdBld_CmdStopSPSScan (pScanSRV->hCmdBld, pScanSRV->eScanTag, NULL, NULL);
}
/* imitate a scan complete event to the SM */
pScanSRV->bTSFError = TI_FALSE;
pScanSRV->SPSScanResult = 0xffff;
scanSRVSM_SMEvent( (TI_HANDLE)pScanSRV, (scan_SRVSMStates_e*)&pScanSRV->SMState, SCAN_SRV_EVENT_SCAN_COMPLETE );
}
return TI_OK;
}
/**
* \author Shirit Brook\n
* \date 10-Jan-2005\n
* \brief Handles PS Fail event while in Scanning - Indicate not to Exit PS.
* This event can be reached when Roaming is invoked while in Scanning state.
* The PM Module is stopped and generates PS Fail to all its clients.
*
* Function Scope \e Private.\n
* \param hScanSrv - handle to the scan SRV object.\n
* \return TI_OK if successful, TI_NOK otherwise.\n
*/
static TI_STATUS scanSRVSM_PsFailWhileScanning( TI_HANDLE hScanSrv )
{
scanSRV_t *pScanSRV = (scanSRV_t*)hScanSrv;
TRACE0( pScanSRV->hReport, REPORT_SEVERITY_INFORMATION, "scanSRVSM_PsFailWhileScanning. Indicate not to Enter PS.\n");
pScanSRV->bExitFromDriverMode = TI_FALSE;
return TI_OK;
}
/**
* \author Ronen Kalish\n
* \date 17-Jan-2005\n
* \brief Handles a FW reset event (one that was detected outside the scan SRV) by stopping the timer.
*
* Function Scope \e Private.\n
* \param hScanSrv - handle to the scan SRV object.\n
* \return TI_OK if successful, TI_NOK otherwise.\n
*/
TI_STATUS scanSRVSM_handleRecovery( TI_HANDLE hScanSrv )
{
scanSRV_t *pScanSRV = (scanSRV_t*)hScanSrv;
TRACE0( pScanSRV->hReport, REPORT_SEVERITY_INFORMATION, "FW reset event from outside.\n");
/* The Power Manager is responsible to exit PS mode in recovery. Also, the scan CB is not called -
The SCR is responsible to notify scan concentrator of the event (which actually notifies scan SRV */
/* if timer is running - stop it */
if ( TI_TRUE == pScanSRV->bTimerRunning )
{
tmr_StopTimer (pScanSRV->hScanSrvTimer);
pScanSRV->bTimerRunning = TI_FALSE;
}
else
{
/* shouldn't happen - only called if timer is supposedly running */
TRACE1( pScanSRV->hReport, REPORT_SEVERITY_WARNING, "SM: External FW reset in state %d and timer is not running?", pScanSRV->SMState);
}
return TI_OK;
}
/**
* \author Ronen Kalish\n
* \date 11-Jan-2005\n
* \brief Handles an unexpected event.\n
*
* Function Scope \e Private.\n
* \param hScanSrv - handle to the scan SRV object.\n
* \return always TI_OK.\n
*/
static TI_STATUS actionUnexpected( TI_HANDLE hScanSrv )
{
scanSRV_t *pScanSRV = (scanSRV_t*)hScanSrv;
TRACE1( pScanSRV->hReport, REPORT_SEVERITY_ERROR, "Scan SRV state machine error, unexpected Event, state=%d\n\n", pScanSRV->SMState);
if ( pScanSRV->bTimerRunning )
{
tmr_StopTimer (pScanSRV->hScanSrvTimer);
pScanSRV->bTimerRunning = TI_FALSE;
}
/* we must clean the old command response CB since they are no longer relevant
since the state machine may be corrupted */
pScanSRV->commandResponseFunc = NULL;
pScanSRV->commandResponseObj = NULL;
/* indicate the unexpected event in the return status */
pScanSRV->returnStatus = TI_NOK;
return TI_OK;
}
/**
* \author Ronen Kalish\n
* \date 10-Jan-2005\n
* \brief Handles an event that doesn't require any action.\n
*
* Function Scope \e Private.\n
* \param hScanSrv - handle to the scan SRV object.\n
* \return always TI_OK.\n
*/
static TI_STATUS actionNop( TI_HANDLE hScanSrv )
{
return TI_OK;
}