Simple logging library for arduino
- Stream-like syntax
- Logging with line number and file name
- Filter by importance
Logging in Arduino is sometimes written redundantly.
Serial.print("In line ");
Serial.print(__LINE__);
Serial.print(", Value is: ");
Serial.println(val);
// Output: In line 2, Value is: ??We can write logging process briefly using this library.
LOGGER_LOG(logger::INFO) << "Value is: " << val << '\n';
// Output: [INFO] sketch.ino:2: Value is: ??- Download arduino-logger.zip.
- Import downloaded zip using Arduino IDE's "Add .ZIP library..."
- You can find arduno-logger is shown as "Logger" in "Examples" or "Include Library" in Arduino IDE.
#include <logger.hpp>
void setup() {
Serial.begin(9600);
}
// Only logs which has same as or higher importance than the value in logger::filter will be printed.
int count = 0;
void loop() {
logger::filter = logger::FATAL; // only FATAL will be printed
LOGGER_LOG(logger::FATAL) << "Fatal error!\n";
LOGGER_LOG(logger::ERROR) << "Error!\n";
LOGGER_LOG(logger::WARN) << "Warning!\n";
LOGGER_LOG(logger::INFO) << "Information!\n";
logger::filter = logger::INFO; // every logs will be printed
LOGGER_LOG(logger::INFO) << "You can put almost every kinds of object into the log\n";
LOGGER_LOG(logger::INFO) << "e.g. int: " << count << " or float: " << 3.14 << '\n';
delay(1000);
count++;
}[FATAL] logging.ino:13: Fatal error!
[INFO] logging.ino:20: You can put almost every kinds of object into the log
[INFO] logging.ino:21: e.g. int: 2 or float: 3.14
You can use alternative serial ports on Arduino Leonardo, Mega, Due, etc...
// Use Serial2 as a output of logs
#define LOGGER_SERIAL Serial2
#include <logger.hpp>
...This library is distributed under MIT license.
See LICENSE.