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
parseMagData(struct MagTask * magTask,uint8_t * buf,float * x,float * y,float * z)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