/****************************************************************************** * $Id: AKFS_AK8975.c 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. */ #include "AKFS_AK8975.h" #include "AKFS_Device.h" /*! */ int16 AKFS_DecompAK8975( const int16 mag[3], const int16 status, const uint8vec* asa, const int16 nhdata, AKFVEC hdata[] ) { /* put st1 and st2 value */ if (AK8975_ST_ERROR(status)) { return AKFS_ERROR; } /* magnetic */ AKFS_BufShift(nhdata, 1, hdata); hdata[0].u.x = mag[0] * (((asa->u.x)/256.0f) + 0.5f); hdata[0].u.y = mag[1] * (((asa->u.y)/256.0f) + 0.5f); hdata[0].u.z = mag[2] * (((asa->u.z)/256.0f) + 0.5f); return AKFS_SUCCESS; }