12c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent/* 22c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent * Copyright (C) 2004-2010 NXP Software 32c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent * Copyright (C) 2010 The Android Open Source Project 42c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent * 52c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent * Licensed under the Apache License, Version 2.0 (the "License"); 62c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent * you may not use this file except in compliance with the License. 72c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent * You may obtain a copy of the License at 82c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent * 92c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent * http://www.apache.org/licenses/LICENSE-2.0 102c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent * 112c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent * Unless required by applicable law or agreed to in writing, software 122c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent * distributed under the License is distributed on an "AS IS" BASIS, 132c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 142c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent * See the License for the specific language governing permissions and 152c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent * limitations under the License. 162c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent */ 172c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 182c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent/****************************************************************************************/ 192c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent/* INCLUDE FILES */ 202c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent/****************************************************************************************/ 212c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 222c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent#include "LVM_Timer.h" 232c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent#include "LVM_Timer_Private.h" 242c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent#include "LVM_Macros.h" 252c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 262c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent/****************************************************************************************/ 272c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent/* DEFINITIONS */ 282c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent/****************************************************************************************/ 292c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 302c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent#define OneOverThousandInQ24 16777 312c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 322c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent/****************************************************************************************/ 332c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent/* INIT FUNCTION */ 342c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent/****************************************************************************************/ 352c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 362c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurentvoid LVM_Timer_Init ( LVM_Timer_Instance_t *pInstance, 372c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent LVM_Timer_Params_t *pParams ){ 382c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 392c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent LVM_Timer_Instance_Private_t *pInstancePr; 402c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent pInstancePr = (LVM_Timer_Instance_Private_t *)pInstance; 412c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 422c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent pInstancePr->CallBackParam = pParams->CallBackParam; 432c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent pInstancePr->pCallBackParams = pParams->pCallBackParams; 442c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent pInstancePr->pCallbackInstance = pParams->pCallbackInstance; 452c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent pInstancePr->pCallBack = pParams->pCallBack; 462c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent pInstancePr->TimerArmed = 1; 472c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 482c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent MUL32x16INTO32(pParams->SamplingRate,OneOverThousandInQ24,pInstancePr->RemainingTimeInSamples,16); /* (Q0 * Q24) >>16 into Q8*/ 492c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent MUL32x16INTO32(pInstancePr->RemainingTimeInSamples,pParams->TimeInMs,pInstancePr->RemainingTimeInSamples,8); /* (Q8 * Q0) >>8 into Q0*/ 502c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent} 512c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent 522c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent/****************************************************************************************/ 532c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent/* END OF FILE */ 542c8e5cab3faa6d360e222b7a6c40a80083d021acEric Laurent/****************************************************************************************/ 55