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programme de base lorawan mdot pour les ers4 iut de nice
Dependencies: Servo Cayenne-LPP
Diff: trace_helper.cpp
- Revision:
- 0:7037ed05f54f
- Child:
- 8:7594ad70d2bf
diff -r 000000000000 -r 7037ed05f54f trace_helper.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/trace_helper.cpp Thu Mar 08 17:46:15 2018 +0000 @@ -0,0 +1,90 @@ +/** + * 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. + */ + +#include "drivers/Serial.h" + +/** + * Serial object for console tracing + */ +mbed::Serial pc(USBTX, USBRX, MBED_CONF_PLATFORM_DEFAULT_SERIAL_BAUD_RATE); + +/** + * 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. + */ +#if defined(FEATURE_COMMON_PAL) + + #include "platform/PlatformMutex.h" + #include "mbed_trace.h" + + /** + * Local mutex object for synchronization + */ + static PlatformMutex mutex; + + static void serial_lock(); + static void serial_unlock(); + static void trace_printer(const char* str); + + /** + * 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(); + mbed_trace_print_function_set(trace_printer); + } + + /** + * 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(); + } + + /** + * Prints the Mbed trace, used by trace library. + * Not intended for local use. + */ + static void trace_printer(const char* str) + { + printf("%s\r\n", str); + } + +#else + + void setup_trace() + { + } + +#endif +