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/*
* Copyright (C) 2004-2010 NXP Software
* Copyright (C) 2010 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef __LVM_TIMER_H__
#define __LVM_TIMER_H__
#include "LVM_Types.h"
/****************************************************************************************/
/* */
/* Header file for the LVM_Timer library */
/* */
/* Functionality: */
/* The timer will count down a number of ms, based on the number of samples it */
/* sees and the curent sampling rate. When the timer expires, a registered */
/* callback function will be called. */
/* The maximal number of sampless that can be called by the timer is 2^32, which */
/* corresponds to 24.8 hours at a sampling rate of 48 kHz */
/* The timer currently does not suport changes in sampling rate while timing. */
/****************************************************************************************/
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
/****************************************************************************************/
/* TYPE DEFINITIONS */
/****************************************************************************************/
typedef struct
{
LVM_INT32 Storage[6];
} LVM_Timer_Instance_t;
typedef struct
{
LVM_INT32 SamplingRate;
LVM_INT16 TimeInMs;
LVM_INT32 CallBackParam;
void *pCallBackParams;
void *pCallbackInstance;
void (*pCallBack)(void*,void*,LVM_INT32);
} LVM_Timer_Params_t;
/****************************************************************************************/
/* FUNCTION PROTOTYPES */
/****************************************************************************************/
void LVM_Timer_Init ( LVM_Timer_Instance_t *pInstance,
LVM_Timer_Params_t *pParams );
void LVM_Timer ( LVM_Timer_Instance_t *pInstance,
LVM_INT16 BlockSize );
/****************************************************************************************/
/* END OF HEADER */
/****************************************************************************************/
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __LVM_TIMER_H__ */
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