GPS to Pulga
Diff: trace_helper.cpp
- Revision:
- 24:595155aa83c3
diff -r 7f1c9c1a4c57 -r 595155aa83c3 trace_helper.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/trace_helper.cpp Fri Jan 03 09:28:20 2020 +0000 @@ -0,0 +1,72 @@ +/** + * Copyright (c) 2017, Arm Limited and affiliates. + * SPDX-License-Identifier: Apache-2.0 + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +/** + * If we have tracing library available, we can see traces from within the + * stack. The library could be made unavailable by removing FEATURE_COMMON_PAL + * from the mbed_app.json to save RAM. + */ + +#include "mbed_trace.h" + +#ifdef FEA_TRACE_SUPPORT +#include "platform/PlatformMutex.h" + +/** + * Local mutex object for synchronization + */ +static PlatformMutex mutex; + +static void serial_lock(); +static void serial_unlock(); + +/** + * Sets up trace for the application + * Wouldn't do anything if the FEATURE_COMMON_PAL is not added + * or if the trace is disabled using mbed_app.json + */ +void setup_trace() +{ + // setting up Mbed trace. + mbed_trace_mutex_wait_function_set(serial_lock); + mbed_trace_mutex_release_function_set(serial_unlock); + mbed_trace_init(); +} + +/** + * Lock provided for serial printing used by trace library + */ +static void serial_lock() +{ + mutex.lock(); +} + +/** + * Releasing lock provided for serial printing used by trace library + */ +static void serial_unlock() +{ + mutex.unlock(); +} +#else +void setup_trace() +{ + +} +#endif + +