63 lines
2.6 KiB
C
63 lines
2.6 KiB
C
/*****************************************************************************
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* Copyright (C), 2018, MEMSIC Inc.
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* File Name : MemsicAlgo.h
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* Author : MEMSIC AE Algoritm Team
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* Description : This file is the head file of MemsicAlgo.lib. It provides the
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* interface function declarations of the lib.
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* History : 1. Data : 20180424
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* 2. Author : Yan Guopu
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* 3. Modification :
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*****************************************************************************/
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#ifndef _MEMSIC_COMPASS_H_
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#define _MEMSIC_COMPASS_H_
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#define ANDROID_PLATFORM 1
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#define EVB_PLATFORM 2
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#define WINDOWS_PLATFORM 3
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#define PLATFORM EVB_PLATFORM
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#if((PLATFORM == ANDROID_PLATFORM)||(PLATFORM == EVB_PLATFORM))
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#define DLL_API
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#define _stdcall
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#elif(PLATFORM == WINDOWS_PLATFORM)
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#define DLL_API extern "C" __declspec(dllexport)
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#endif
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#if(PLATFORM == ANDROID_PLATFORM)
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#include <utils/Log.h> //ALOGE
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#endif
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#ifndef MEMSIC_COMPASS_DATA_TYPES
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#define MEMSIC_COMPASS_DATA_TYPES
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typedef signed char int8; // signed 8-bit number (-128 to +127)
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typedef unsigned char uint8; // unsigned 8-bit number (+0 to +255)
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typedef signed short int16; // signed 16-bt number (-32,768 to +32,767)
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typedef unsigned short uint16; // unsigned 16-bit number (+0 to +65,535)
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typedef signed int int32; // signed 32-bit number (-2,147,483,648 to +2,147,483,647)
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typedef unsigned int uint32; // unsigned 32-bit number (+0 to +4,294,967,295)
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#endif
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/*******************************************************************************************
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* Function Name : InitialCompassAlgo
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* Description : Initial the filter coeficient for the compass filter.
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* Input : fc -- fliter = (1-fc)*old + fc*new; the fc smaller, the filter stronger.
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* Output : None.
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* Return : 1 --- succeed.
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* -1 --- fail.
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********************************************************************************************/
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DLL_API int _stdcall InitialCompassAlgo(float fc);
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/*******************************************************************************************
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* Function Name : GetCalOri
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* Description : Get the MEMSIC calibrated orientation vector.
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* Input : acc[0-2] --- Accelerometer data of three axis, unit is g.
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* : mag[0-2] --- Magnetic calibrated data of three axis, unit is gauss.
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* Output : co[0-2] --- orientation data, azimuth, pitch, roll, unit is degree.
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* Return : 1 --- succeed.
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* -1 --- fail.
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********************************************************************************************/
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DLL_API int _stdcall GetCalOri(float *acc, float *mag, float *co);
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#endif
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