LoRaWAN_FAE_Training
Dependencies: X_NUCLEO_IKS01A2
trace_helper.cpp
00001 /** 00002 * Copyright (c) 2017, Arm Limited and affiliates. 00003 * SPDX-License-Identifier: Apache-2.0 00004 * 00005 * Licensed under the Apache License, Version 2.0 (the "License"); 00006 * you may not use this file except in compliance with the License. 00007 * You may obtain a copy of the License at 00008 * 00009 * http://www.apache.org/licenses/LICENSE-2.0 00010 * 00011 * Unless required by applicable law or agreed to in writing, software 00012 * distributed under the License is distributed on an "AS IS" BASIS, 00013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00014 * See the License for the specific language governing permissions and 00015 * limitations under the License. 00016 */ 00017 00018 /** 00019 * If we have tracing library available, we can see traces from within the 00020 * stack. The library could be made unavailable by removing FEATURE_COMMON_PAL 00021 * from the mbed_app.json to save RAM. 00022 */ 00023 00024 #include "mbed_trace.h" 00025 00026 #ifdef FEA_TRACE_SUPPORT 00027 #include "platform/PlatformMutex.h" 00028 00029 /** 00030 * Local mutex object for synchronization 00031 */ 00032 static PlatformMutex mutex; 00033 00034 static void serial_lock(); 00035 static void serial_unlock(); 00036 00037 /** 00038 * Sets up trace for the application 00039 * Wouldn't do anything if the FEATURE_COMMON_PAL is not added 00040 * or if the trace is disabled using mbed_app.json 00041 */ 00042 void setup_trace() 00043 { 00044 // setting up Mbed trace. 00045 mbed_trace_mutex_wait_function_set(serial_lock); 00046 mbed_trace_mutex_release_function_set(serial_unlock); 00047 mbed_trace_init(); 00048 } 00049 00050 /** 00051 * Lock provided for serial printing used by trace library 00052 */ 00053 static void serial_lock() 00054 { 00055 mutex.lock(); 00056 } 00057 00058 /** 00059 * Releasing lock provided for serial printing used by trace library 00060 */ 00061 static void serial_unlock() 00062 { 00063 mutex.unlock(); 00064 } 00065 #else 00066 void setup_trace() 00067 { 00068 00069 } 00070 #endif 00071 00072
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