![]() Place the pins_arduino.h file inside this directory. Now create a directory named variants and then create another directory with the name of your microcontroller. Place the boards.txt file inside this directory. After that create a new directory inside it to keep all our files. Once we have created the pins_arduino.h and boards.txt file, we should then place them in a proper directory structure, which the Arduino IDE could understand.įirst, create a directory called hardware in your sketchbook directory. You can refer to the boards.txt file, that I created for ATmega 16A. Like the pins_arduino.h file, most of these are straight forward and you can get most of these details from the target AVR chips datasheet. Which variant ( pins_arduino.h) file to use.To let the Arduino IDE, know about our new microcontroller, we need to create a new boards.txt file which has the following information about the microcontroller. This simple text file, has the details about your board and also instructs the Arduino IDE to use the proper parameters and fuses while compiling and uploading programs. The Arduino IDE (and also my Arduino makefile) get details about your board from a file named boards.txt. You can refer to the pin mapping file for ATmega 16A that I created. Most of these are straight forward and you can get the correct values from the target AVR chips datasheet. ![]()
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