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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 ///////////////////////////////////////////////////////////////
18 /*
19  * Logging macros for printing formatted strings to Nanohub.
20  */
21 ///////////////////////////////////////////////////////////////
22 #ifndef LOCATION_LBS_CONTEXTHUB_NANOAPPS_CALIBRATION_UTIL_CAL_LOG_H_
23 #define LOCATION_LBS_CONTEXTHUB_NANOAPPS_CALIBRATION_UTIL_CAL_LOG_H_
24 
25 #ifdef GCC_DEBUG_LOG
26 # include <stdio.h>
27 # define CAL_DEBUG_LOG(tag, fmt, ...) \
28    printf("%s " fmt "\n", tag, ##__VA_ARGS__);
29 #elif _OS_BUILD_
30 # include <seos.h>
31 # ifndef LOG_FUNC
32 #  define LOG_FUNC(level, fmt, ...) osLog(level, fmt, ##__VA_ARGS__)
33 # endif  // LOG_FUNC
34 # define LOGD_TAG(tag, fmt, ...) \
35    LOG_FUNC(LOG_DEBUG, "%s " fmt "\n", tag, ##__VA_ARGS__)
36 # define CAL_DEBUG_LOG(tag, fmt, ...) \
37    osLog(LOG_DEBUG, "%s " fmt, tag, ##__VA_ARGS__);
38 #else  // _OS_BUILD_
39 # include <chre.h>
40 # define CAL_DEBUG_LOG(tag, fmt, ...) \
41    chreLog(CHRE_LOG_INFO, "%s " fmt, tag, ##__VA_ARGS__)
42 #endif  // GCC_DEBUG_LOG
43 
44 #ifdef __cplusplus
45 extern "C" {
46 #endif
47 
48 // Using this macro because floorf() is not currently implemented by the Nanohub
49 // firmware.
50 #define CAL_FLOOR(x) ((int)(x) - ((x) < (int)(x)))  // NOLINT
51 
52 // Macro used to print floating point numbers with a specified number of digits.
53 #define CAL_ENCODE_FLOAT(x, num_digits) \
54   ((x < 0) ? "-" : ""),                 \
55   (int)CAL_FLOOR(fabsf(x)), (int)((fabsf(x) - CAL_FLOOR(fabsf(x))) * powf(10, num_digits))  // NOLINT
56 
57 #ifdef __cplusplus
58 }
59 #endif
60 
61 #endif  // LOCATION_LBS_CONTEXTHUB_NANOAPPS_CALIBRATION_UTIL_CAL_LOG_H_
62