1 /* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include <string.h> 18 #include "akm_ak09915_slave.h" 19 20 void parseMagData(struct MagTask *magTask, uint8_t *buf, float *x, float *y, float *z) { 21 int32_t raw_x = (*(int16_t *)&buf[0]); 22 int32_t raw_y = (*(int16_t *)&buf[2]); 23 int32_t raw_z = (*(int16_t *)&buf[4]); 24 25 *x = (float)raw_x * kScale_mag; 26 *y = (float)raw_y * kScale_mag; 27 *z = (float)raw_z * kScale_mag; 28 } 29
