12dc0e097c87ff97bb623e3339bde2a0b072885e2Meng-hsuan Chung/* 22dc0e097c87ff97bb623e3339bde2a0b072885e2Meng-hsuan Chung * Copyright (C) 2016 The Android Open Source Project 32dc0e097c87ff97bb623e3339bde2a0b072885e2Meng-hsuan Chung * 42dc0e097c87ff97bb623e3339bde2a0b072885e2Meng-hsuan Chung * Licensed under the Apache License, Version 2.0 (the "License"); 52dc0e097c87ff97bb623e3339bde2a0b072885e2Meng-hsuan Chung * you may not use this file except in compliance with the License. 62dc0e097c87ff97bb623e3339bde2a0b072885e2Meng-hsuan Chung * You may obtain a copy of the License at 72dc0e097c87ff97bb623e3339bde2a0b072885e2Meng-hsuan Chung * 82dc0e097c87ff97bb623e3339bde2a0b072885e2Meng-hsuan Chung * http://www.apache.org/licenses/LICENSE-2.0 92dc0e097c87ff97bb623e3339bde2a0b072885e2Meng-hsuan Chung * 102dc0e097c87ff97bb623e3339bde2a0b072885e2Meng-hsuan Chung * Unless required by applicable law or agreed to in writing, software 112dc0e097c87ff97bb623e3339bde2a0b072885e2Meng-hsuan Chung * distributed under the License is distributed on an "AS IS" BASIS, 122dc0e097c87ff97bb623e3339bde2a0b072885e2Meng-hsuan Chung * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 132dc0e097c87ff97bb623e3339bde2a0b072885e2Meng-hsuan Chung * See the License for the specific language governing permissions and 142dc0e097c87ff97bb623e3339bde2a0b072885e2Meng-hsuan Chung * limitations under the License. 152dc0e097c87ff97bb623e3339bde2a0b072885e2Meng-hsuan Chung */ 162dc0e097c87ff97bb623e3339bde2a0b072885e2Meng-hsuan Chung 172dc0e097c87ff97bb623e3339bde2a0b072885e2Meng-hsuan Chung#include <string.h> 182dc0e097c87ff97bb623e3339bde2a0b072885e2Meng-hsuan Chung#include "akm_ak09915_slave.h" 192dc0e097c87ff97bb623e3339bde2a0b072885e2Meng-hsuan Chung 208b327e24bc4e85979d47a2c039c174aa6a45e1a9Andrew Rossignolvoid parseMagData(struct MagTask *magTask, uint8_t *buf, float *x, float *y, float *z) { 212dc0e097c87ff97bb623e3339bde2a0b072885e2Meng-hsuan Chung int32_t raw_x = (*(int16_t *)&buf[0]); 222dc0e097c87ff97bb623e3339bde2a0b072885e2Meng-hsuan Chung int32_t raw_y = (*(int16_t *)&buf[2]); 232dc0e097c87ff97bb623e3339bde2a0b072885e2Meng-hsuan Chung int32_t raw_z = (*(int16_t *)&buf[4]); 242dc0e097c87ff97bb623e3339bde2a0b072885e2Meng-hsuan Chung 252dc0e097c87ff97bb623e3339bde2a0b072885e2Meng-hsuan Chung *x = (float)raw_x * kScale_mag; 262dc0e097c87ff97bb623e3339bde2a0b072885e2Meng-hsuan Chung *y = (float)raw_y * kScale_mag; 272dc0e097c87ff97bb623e3339bde2a0b072885e2Meng-hsuan Chung *z = (float)raw_z * kScale_mag; 282dc0e097c87ff97bb623e3339bde2a0b072885e2Meng-hsuan Chung} 29