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      1 /*
      2  * Copyright (C) 2010 NXP Semiconductors
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 /**
     18  * \file  phOsalNfc_Timer.h
     19  * \brief Timer Implementation.
     20  *
     21  * Project: NFC-FRI 1.1
     22  *
     23  * $Date: Mon Mar 16 20:30:44 2009 $
     24  * $Author: ing01697 $
     25  * $Revision: 1.19 $
     26  * $Aliases: NFC_FRI1.1_WK912_R21_1,NFC_FRI1.1_WK914_PREP1,NFC_FRI1.1_WK914_R22_1,NFC_FRI1.1_WK914_R22_2,NFC_FRI1.1_WK916_R23_1,NFC_FRI1.1_WK918_R24_1,NFC_FRI1.1_WK920_PREP1,NFC_FRI1.1_WK920_R25_1,NFC_FRI1.1_WK922_PREP1,NFC_FRI1.1_WK922_R26_1,NFC_FRI1.1_WK924_PREP1,NFC_FRI1.1_WK924_R27_1,NFC_FRI1.1_WK926_R28_1,NFC_FRI1.1_WK928_R29_1,NFC_FRI1.1_WK930_R30_1,NFC_FRI1.1_WK934_PREP_1,NFC_FRI1.1_WK934_R31_1,NFC_FRI1.1_WK941_PREP1,NFC_FRI1.1_WK941_PREP2,NFC_FRI1.1_WK941_1,NFC_FRI1.1_WK943_R32_1,NFC_FRI1.1_WK949_PREP1,NFC_FRI1.1_WK943_R32_10,NFC_FRI1.1_WK943_R32_13,NFC_FRI1.1_WK943_R32_14,NFC_FRI1.1_WK1007_R33_1,NFC_FRI1.1_WK1007_R33_4,NFC_FRI1.1_WK1017_PREP1,NFC_FRI1.1_WK1017_R34_1,NFC_FRI1.1_WK1017_R34_2,NFC_FRI1.1_WK1023_R35_1 $
     27  *
     28  */
     29 #ifndef PHOSALNFC_TIMER_H
     30 #define PHOSALNFC_TIMER_H
     31 
     32 /* -----------------Include files ---------------------------------------*/
     33 #include <phNfcTypes.h>
     34 #ifdef PH_NFC_CUSTOMINTEGRATION
     35 #include <phNfcCustomInt.h>
     36 #else
     37 #ifdef NXP_MESSAGING
     38 #include <nfc_osal_deferred_call.h>
     39 #endif
     40 
     41 #ifdef NXP_MESSAGING
     42 /**
     43  * \ingroup grp_osal_nfc
     44  *\brief Deferred message specific info declaration.
     45  * This type information packed as WPARAM  when \ref PH_OSALNFC_MESSAGE_BASE type windows message
     46  * is posted to message handler thread.
     47  */
     48 //typedef struct phOsalNfc_DeferedCalldInfo
     49 //{
     50 //		nfc_osal_def_call_t  pDeferedCall;/**< pointer to Deferred callback */
     51 //		void				*pParam;/**< contains timer message specific details*/
     52 //}phOsalNfc_DeferedCalldInfo_t;
     53 typedef phLibNfc_DeferredCall_t phOsalNfc_DeferedCalldInfo_t;
     54 #endif
     55 
     56 /* ---------------- Macros ----------------------------------------------*/
     57 /**
     58 *\ingroup grp_osal_nfc
     59 * OSAL timer message .This message type will be posted to calling application thread.
     60 */
     61 //#define PH_OSALNFC_TIMER_MSG			  (0x315)
     62 #define PH_OSALNFC_TIMER_MSG			  PH_LIBNFC_DEFERREDCALL_MSG
     63 
     64 /**
     65  * \ingroup grp_osal_nfc
     66  * Invalid timer ID type.This ID used indicate timer creation is failed.
     67  */
     68 #define PH_OSALNFC_INVALID_TIMER_ID		  (0xFFFF)
     69 
     70 /*!
     71  * \ingroup grp_osal_nfc
     72  * \brief Timer callback interface which will be called once registered timer
     73  * timeout expires.
     74  * \param[in] TimerId  Timer Id for which callback is called.
     75  * \retval  None
     76  */
     77 typedef void (*ppCallBck_t)(uint32_t TimerId, void *pContext);
     78 
     79 /* -----------------Structures and Enumerations -------------------------*/
     80 /**
     81  * \ingroup grp_osal_nfc
     82  **\brief Timer message structure definition.
     83  * Timer Message Structure contains timer specific informations like timer identifier
     84  * and timer callback.
     85  *
     86  */
     87 typedef struct phOsalNfc_TimerMsg
     88 {
     89    uint32_t			TimerId;/**< Timer ID*/
     90    ppCallBck_t		pCallBck;/**< pointer to Timer Callback*/
     91    void*			pContext;   /**< Timer Callback context*/
     92 }phOsalNfc_Timer_Msg_t,*pphOsalNfc_TimerMsg_t;
     93 
     94 /* -----------------Exported Functions----------------------------------*/
     95 /**
     96  * \ingroup grp_osal_nfc
     97  * \brief Allows to create new timer.
     98  *
     99  * This API creates a cyclic timer. In case a valid timer is created returned
    100  * timer ID will be other than \ref PH_OSALNFC_INVALID_TIMER_ID. In case returned
    101  * timer id is \ref PH_OSALNFC_INVALID_TIMER_ID, this indicates timer creation
    102  * has failed.
    103  *
    104  * When a timer is created, it is not started by default. The application has to
    105  * explicitly start it using \ref phOsalNfc_Timer_Start().
    106  *
    107  * \param[in] void
    108  * \retval Created timer ID.
    109  * \note If timer ID value is PH_OSALNFC_INVALID_TIMER_ID, it indicates
    110  * an error occured during timer creation.
    111  *
    112  * \msc
    113  *  Application,phOsalNfc;
    114  *  Application=>phOsalNfc [label="phOsalNfc_Timer_Create()",URL="\ref phOsalNfc_Timer_Create"];
    115  *  Application<<phOsalNfc [label="Returns Valid timer ID"];
    116  * \endmsc
    117  */
    118 uint32_t phOsalNfc_Timer_Create (void);
    119 
    120 /**
    121  * \ingroup grp_osal_nfc
    122  * \brief Allows to start an already created timer.
    123  *
    124  * This function starts the requested timer. If the timer is already running,
    125  * timer stops and restarts with the new timeout value and new callback function
    126  * in case any.
    127  *
    128  * \note The old timeout and callback reference are not valid any more if timer
    129  * is restarted. Notifications are periodic and stop only when timer is stopped.
    130  *
    131  * \param[in]  TimerId		valid timer ID obtained during timer creation.
    132  * \param[in]  RegTimeCnt	Requested time out in Milliseconds.
    133  * \note  In windows environment timer resolution should be more than
    134  *        50 mSec. In case time out value is below 50 mSec accuracy of timer
    135  *        behaviouer is not gauranteed.
    136  * \param[in]  Application_callback  Application Callback interface to be called
    137  * when timer expires.
    138  *
    139  * \msc
    140  *  Application,phOsalNfc;
    141  *  Application=>phOsalNfc [label="phOsalNfc_Timer_Create()", URL="\ref phOsalNfc_Timer_Create"];
    142  *  Application<<phOsalNfc [label="TIMERID"];
    143  *  Application=>phOsalNfc [label="phOsalNfc_Timer_Start(TIMERID, TIMEOUT, CB)", URL="\ref phOsalNfc_Timer_Start"];
    144  *  --- [label=" : On timer time out expired "];
    145  *  phOsalNfc=>phOsalNfc [label="CB()"];
    146  *  Application<-phOsalNfc[label="PH_OSALNFC_TIMER_MSG"];
    147  * \endmsc
    148  */
    149 void phOsalNfc_Timer_Start(uint32_t     TimerId,
    150                            uint32_t     RegTimeCnt,
    151                            ppCallBck_t  Application_callback,
    152                            void         *pContext);
    153 
    154 /**
    155  * \ingroup grp_osal_nfc
    156  * \brief Stop an already started timer.
    157  *
    158  * This API allows to stop running timers. In case the timer is stopped, its callback will not be
    159  * notified any more.
    160  *
    161  * \param[in] TimerId	            valid timer ID obtained suring timer creation.
    162  * \param[in] Application_callback   Application Callback interface to be called when timer expires.
    163  *
    164  * \msc
    165  *  Application,phOsalNfc;
    166  *  Application=>phOsalNfc [label="phOsalNfc_Timer_Create()",URL="\ref phOsalNfc_Timer_Create"];
    167  *  Application<<phOsalNfc [label="TIMERID"];
    168  *  Application=>phOsalNfc [label="phOsalNfc_Timer_Start(TIMERID, TIMEOUT, CB)",URL="\ref phOsalNfc_Timer_Start"];
    169  *  --- [label=" : On timer time out expired "];
    170  *  phOsalNfc=>phOsalNfc [label="CB()"];
    171  *  Application=>phOsalNfc [label="phOsalNfc_Timer_Stop(TIMERID)",URL="\ref phOsalNfc_Timer_Stop"];
    172  \endmsc
    173  */
    174 void phOsalNfc_Timer_Stop(uint32_t TimerId);
    175 
    176 /**
    177  * \ingroup grp_osal_nfc
    178  * \brief Allows to delete the timer which is already created.
    179  *
    180  * This API allows to delete a timer. Incase timer is running
    181  * it is stopped first and then deleted. if the given timer ID is invalid, this
    182  * function doesn't return any error. Application has to explicitly ensure
    183  * timer ID sent is valid.
    184  *
    185  * \param[in]  TimerId	timer identieir to delete the timer.
    186  */
    187 void phOsalNfc_Timer_Delete(uint32_t TimerId);
    188 
    189 #endif
    190 #endif /* PHOSALNFC_TIMER_H */
    191