Esp-idf turns off serial port log output.

ESP32 A serial port is reserved by default 0 For debugging and downloading purposes , Usually, this serial port will output a large amount of log information ： Include “Bootloader journal ” and “Logging Output log of the Library ” Two parts .

 

In the actual development process, we sometimes want to close the serial port 0 Log output of , And connect the serial port 0 Reuse for other functions , The following shows how to close the serial port 0 Log output method ：

With 《ESP-IDF v4.4》 official blink Example , When log output is not turned off , The serial port will output the following ：

1, close Bootloader Log method ： The input terminal idf.py menuconfig Run the project configuration tool , Enter the following directory , choice No output.

2, close Logging Method of output log of Library ： The input terminal idf.py menuconfig Run the project configuration tool , Enter the following directory , choice No output.

3, After the configuration , Don't forget to recompile the project , Download again ：idf.py build flash.