ArduinoCore-avr | The Official Arduino AVR core
kandi X-RAY | ArduinoCore-avr Summary
kandi X-RAY | ArduinoCore-avr Summary
This repository contains the source code and configuration files of the Arduino AVR Boards platform.
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QUESTION
I am programming on Arduino boards that have several serial ports (let us say for now Serial
, Serial1
and Serial3
). Each port is a separate object. For using a port, one needs to first initialize it with the begin()
method (what I mean with need here is, to get it working fine). The problem is that, the corresponding objects are all available in the Arduino IDE by default, even if you do not declare / initialize them in your sketch, so one is not required to call the constructor and / or initialize a serial port for using it (what I mean here with required, is what should be done to avoid a compiler error). As a consequence, the following kind of code compiles fine, while there is a typo:
ANSWER
Answered 2018-May-25 at 13:45While it may seem unfair, what the compiler is doing is correct. The compiler must compile the code the way you have written it.
Though people get confused between the job of code assistance vs the job of code compiler, It's your job to ensure that the code is written correctly. It's the compilers job to confirm if the code follows proper syntax.
As for making a board variant and including it into an Arduino Core, you will have to make changes to the HardwareSerial.h file, to ensure that any un-necessary serial objects are not declared.
An easier solution would be to make a macro hold the Serial object you want to use like so
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