/****************************************************************************** * $Id: AKFS_AK8975.h 580 2012-03-29 09:56:21Z yamada.rj $ ****************************************************************************** * * Copyright (C) 2012 Asahi Kasei Microdevices Corporation, Japan * * 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 AKFS_INC_AK8975_H #define AKFS_INC_AK8975_H #include "AKFS_Device.h" /***** Constant definition ****************************************************/ #define AK8975_BDATA_SIZE 8 #define AK8975_HSENSE_DEFAULT 1 #define AK8975_HSENSE_TARGET 0.3f #define AK8975_ASENSE_DEFAULT 720 #define AK8975_ASENSE_TARGET 9.80665f #define AK8975_HDATA_CONVERTER(hi, low, asa) \ (AKFLOAT)((int16)((((uint16)(hi))<<8)+(uint16)(low))*(((asa)/256.0f) + 0.5f)) #define AK8975_ST_ERROR(st) (((st)&0x09) != 0x01) /***** Type declaration *******************************************************/ /***** Prototype of function **************************************************/ AKLIB_C_API_START int16 AKFS_DecompAK8975( const int16 mag[3], const int16 status, const uint8vec* asa, const int16 nhdata, AKFVEC hdata[] ); AKLIB_C_API_END #endif