TWD/MacServices/MeasurementSrv.h
changeset 0 10c42ec6c05f
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/TWD/MacServices/MeasurementSrv.h	Tue Jun 29 12:34:26 2010 +0100
@@ -0,0 +1,332 @@
+/*
+ * MeasurementSrv.h
+ *
+ * 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 MeasurementSrv.h
+ *  \brief This file include private definitions for the Measurement SRV module.
+ *  \author Ronen Kalish
+ *  \date 08-November-2005
+ */
+
+#ifndef __MEASUREMENT_SRV_H__
+#define __MEASUREMENT_SRV_H__
+
+#include "TWDriverInternal.h"
+#include "MacServices_api.h"
+#include "fsm.h"
+#include "MeasurementSrvSM.h"
+
+/*
+ ***********************************************************************
+ *  Constant definitions.
+ ***********************************************************************
+ */
+/* Time in milliseconds to receive a command complete for measure start / stop from the FW */
+#define MSR_FW_GUARD_TIME   100 
+#define DEF_SAMPLE_INTERVAL             (100)   /* expressed in microsec */
+#define NOISE_HISTOGRAM_THRESHOLD           100
+/* Get param callback flags  */
+#define MSR_SRV_WAITING_CHANNEL_LOAD_RESULTS        0x01 /* channel load results are still pending */
+#define MSR_SRV_WAITING_NOISE_HIST_RESULTS          0x02 /* noise histogram results are still pending */
+
+/*
+ ***********************************************************************
+ *  Enums.
+ ***********************************************************************
+ */
+
+
+/*
+ ***********************************************************************
+ *  Typedefs.
+ ***********************************************************************
+ */
+
+/*
+ ***********************************************************************
+ *  Structure definitions.
+ ***********************************************************************
+ */
+
+/** \struct measurementSRV_t
+ * \brief This structure contains the measurement SRV object data
+ */
+typedef struct
+{
+    TMediumOccupancy            mediumOccupancyResults; /**< channel load results buffer */
+    TNoiseHistogramResults      noiseHistogramResults;  /**< noise histogram results buffer */
+
+    /* module handles */
+    TI_HANDLE           hOS;                            /**< OS object handle */
+    TI_HANDLE           hReport;                        /**< report object handle */
+    TI_HANDLE           hPowerSaveSRV;                  /**< power save SRV object handle */
+    TI_HANDLE           hCmdBld;                        /**< Command Builder object handle */
+    TI_HANDLE           hEventMbox;                     /**< Event Mbox handle */
+    TI_HANDLE           hTimer    ;                     /**< Timer Module handle */
+    /* CB functions and objects */                                                        
+    TMeasurementSrvCompleteCb measurmentCompleteCBFunc;
+                                                        /**< 
+                                                         * upper layer (measurement manager) measurement complete 
+                                                         * callback function
+                                                         */
+    TI_HANDLE           measurementCompleteCBObj;       /**< 
+                                                         * upper layer (measurement manager) measurement complete
+                                                         * callback object
+                                                         */
+    
+    TCmdResponseCb      commandResponseCBFunc;          /**<
+                                                         * upper layer command response CB, used for both start
+                                                         * and stop. Passed down to the HAL and called when 
+                                                         * the measurement command has been received by the FW
+                                                         */
+    TI_HANDLE           commandResponseCBObj;           /**<
+                                                         * object parameter passed to the commandResposeFunc by 
+                                                         * the HAL when it is called 
+                                                         */
+
+    TFailureEventCb     failureEventFunc;   /**<
+                                            * upper layer Failure Event CB.
+                                            * called when the scan command has been Timer Expiry
+                                            */
+    TI_HANDLE           failureEventObj;        /**<
+                                            * object parameter passed to the failureEventFunc
+                                            * when it is called 
+                                            */
+    /* Timers */
+    TI_HANDLE           hRequestTimer[ MAX_NUM_OF_MSR_TYPES_IN_PARALLEL ];
+                                                        /**< Timers for different measurement types */
+    TI_BOOL             bRequestTimerRunning[ MAX_NUM_OF_MSR_TYPES_IN_PARALLEL ];
+                                                        /**< Indicates whether each request timer is running */
+    TI_HANDLE           hStartStopTimer;                /**< Timer for start / stop commands guard */
+    TI_BOOL             bStartStopTimerRunning;         /**< 
+                                                         * Indicates whether the start / stop command guard
+                                                         * timer is running
+                                                         */
+    /* Misc stuff */
+    TI_BOOL             bInRequest;                     /**<
+                                                         * Indicates whether the SM is run within
+                                                         * the measurement request context (if so, to avoid
+                                                         * re-entrance, the complete function shouldn't
+                                                         * be called on failure, but rather an invalid
+                                                         * status should be returned)
+                                                         */
+    TI_STATUS           returnStatus;                   /**< 
+                                                         * Holds the return code to the upper layer
+                                                         * Used to save errors during SM operation.
+                                                         */
+    TI_BOOL             bSendNullDataWhenExitPs;        /**< whether to send NULL data frame when exiting
+                                                         * driver mode
+                                                         */
+    /* state machine */
+    fsm_stateMachine_t* SM;                            /**< 
+                                                         * state machines for different
+                                                         * scan types
+                                                         */
+    measurements_SRVSMStates_e  SMState;                /**< state machine current states */
+    /* measurement request */
+    TMeasurementRequest     msrRequest;                 /**< measurement request parameters */
+    TMeasurementReply       msrReply;                   /**< measurement reply values */
+    TI_UINT32               requestRecptionTimeStampMs; /**< The time in which the request was received. */
+    TI_UINT32               timeToRequestExpiryMs;      /**<
+                                                         * The duration (in ms) from request receiption
+                                                         * until it should actually start. Request is
+                                                         * discarded if a longer period is required
+                                                         */
+    TI_UINT8                pendingParamCBs;            /**<
+                                                         * a bitmap indicating which get_param CBs are
+                                                         * currently pending (noise histogram and/or
+                                                         * channel load).
+                                                         */
+} measurementSRV_t;
+
+/*
+ ***********************************************************************
+ *  External data definitions.
+ ***********************************************************************
+ */
+
+/*
+ ***********************************************************************
+ *  External functions definitions
+ ***********************************************************************
+ */
+
+/**
+ * \author Ronen Kalish\n
+ * \date 08-November-2005\n
+ * \brief Creates the measurement SRV object
+ *
+ * Function Scope \e Public.\n
+ * \param hOS - handle to the OS object.\n
+ * \return a handle to the measurement SRV object, NULL if an error occurred.\n
+ */
+TI_HANDLE MacServices_measurementSRV_create( TI_HANDLE hOS );
+
+/**
+ * \author Ronen Kalish\n
+ * \date 08-November-2005\n
+ * \brief Initializes the measurement SRV object
+ *
+ * Function Scope \e Public.\n
+ * \param hMeasurementSRV - handle to the measurement SRV object.\n
+ * \param hReport - handle to the report object.\n
+ * \param hCmdBld - handle to the Command Builder object.\n
+ * \param hEventMbox - handle to the Event Mbox object.\n
+ * \param hPowerSaveSRV - handle to the power save SRV object.\n
+ * \param hTimer - handle to the Timer module object.\n
+ */
+TI_STATUS MacServices_measurementSRV_init (TI_HANDLE hMeasurementSRV, 
+                                           TI_HANDLE hReport, 
+                                           TI_HANDLE hCmdBld,
+                                           TI_HANDLE hEventMbox,
+                                           TI_HANDLE hPowerSaveSRV,
+                                           TI_HANDLE hTimer);
+
+/**
+ * \author Ronen Kalish\n
+ * \date 08-November-2005\n
+ * \brief Destroys the measurement SRV object
+ *
+ * Function Scope \e Public.\n
+ * \param hMeasurementSRV - handle to the measurement SRV object.\n
+ */
+void MacServices_measurementSRV_destroy( TI_HANDLE hMeasurementSRV );
+
+/** 
+ * \author Ronen Kalish\n
+ * \date 13-November-2005\n
+ * \brief Checks whether a beacon measurement is part of current measurement request
+ *
+ * Function Scope \e Private.\n
+ * \param hMeasurementSRV - handle to the measurement SRV object.\n
+ * \return TI_TRUE if a beacon measurement is part of current request, TI_FALSE otherwise.\n
+ */
+TI_BOOL measurementSRVIsBeaconMeasureIncluded( TI_HANDLE hMeasurementSRV );
+
+/** 
+ * \author Ronen Kalish\n
+ * \date 15-November-2005\n
+ * \brief Finds the index for the measurement request with the shortest period 
+ * (the one that has now completed).\n
+ *
+ * Function Scope \e Private.\n
+ * \param hMeasurementSRV - handle to the measurement SRV object.\n
+ * \return index of the measurement request with the shortest duration.\n
+ */
+TI_INT32 measurementSRVFindMinDuration( TI_HANDLE hMeasurementSRV );
+
+/** 
+ * \author Ronen Kalish\n
+ * \date 15-November-2005\n
+ * \brief Handles an AP discovery timer expiry, by setting necessary values in the
+ * reply struct.\n
+ *
+ * Function Scope \e Private.\n
+ * \param hMeasurementSRV - handle to the measurement SRV object.\n
+ * \param requestIndex - index of the beacon request in the request structure.\n
+ */
+void measurementSRVHandleBeaconMsrComplete( TI_HANDLE hMeasurementSRV, TI_INT32 requestIndex );
+
+/** 
+ * \author Ronen Kalish\n
+ * \date 15-November-2005\n
+ * \brief Handles a channel load timer expiry, by requesting channel load 
+ * results from the FW.\n
+ *
+ * Function Scope \e Private.\n
+ * \param hMeasurementSRV - handle to the measurement SRV object.\n
+ * \param requestIndex - index of the channel load request in the request structure.\n
+ */
+void measurementSRVHandleChannelLoadComplete( TI_HANDLE hMeasurementSRV, TI_INT32 requestIndex );
+
+/** 
+ * \author Ronen Kalish\n
+ * \date 15-November-2005\n
+ * \brief Handles a nois histogram timer expiry, by requesting noise histogram
+ * reaults from the FW.\n
+ *
+ * Function Scope \e Private.\n
+ * \param hMeasurementSRV - handle to the measurement SRV object.\n
+ * \param requestIndex - indexof the beacon request in the request structure.\n
+ */
+void measurementSRVHandleNoiseHistogramComplete( TI_HANDLE hMeasurementSRV, TI_INT32 requestIndex );
+
+/** 
+ * \author Ronen Kalish\n
+ * \date 16-November-2005\n
+ * \brief Checks whether all measuremtn types had completed and all param CBs had been called.\n
+ *
+ * Function Scope \e Public.\n
+ * \param hMeasurementSRV - handle to the measurement SRV object.\n
+ * \param status - the get_param call status.\n
+ * \param CB_buf - pointer to the results buffer (already on the measurement SRV object)
+ */
+TI_BOOL measurementSRVIsMeasurementComplete( TI_HANDLE hMeasurementSRV );
+
+/** 
+ * \author Ronen Kalish\n
+ * \date 17-November-2005\n
+ * \brief Finds a measure type index in the measure request array.\n
+ *
+ * Function Scope \e Public.\n
+ * \param hMeasurementSRV - handle to the measurement SRV object.\n
+ * \param type - the measure type to look for.\n
+ * \return the type index, -1 if not found.\n
+ */
+TI_INT32 measurementSRVFindIndexByType( TI_HANDLE hMeasurementSRV, EMeasurementType type );
+
+/****************************************************************************************
+ *                        measurementSRVRegisterFailureEventCB                                                  *
+ ****************************************************************************************
+DESCRIPTION: Registers a failure event callback for scan error notifications.
+                
+                                                                                                                   
+INPUT:      - hMeasurementSRV   - handle to the Measurement SRV object.     
+            - failureEventCB        - the failure event callback function.\n
+            - hFailureEventObj  - handle to the object passed to the failure event callback function.
+
+OUTPUT: 
+RETURN:    void.
+****************************************************************************************/
+void measurementSRVRegisterFailureEventCB( TI_HANDLE hMeasurementSRV, 
+                                     void * failureEventCB, TI_HANDLE hFailureEventObj );
+
+void measurementSRV_restart( TI_HANDLE hMeasurementSRV);
+
+
+#endif /* __MEASUREMENT_SRV_H__ */
+