Cant build a wrapper class for Encoder.h, Encoder constructor has been called before wrapper class constructor is called

Question

this is my MotorEncoder.h

#include <Encoder.h> class MotorEncoder { public: MotorEncoder(int pin1, int pin2); void init(); int read(); private: int pin1; int pin2; Encoder encoder; };

And this is MotorEncoder.cpp

#include "MotorEncoder.h" MotorEncoder::MotorEncoder(int pin1, int pin2) { this->pin1 = pin1; this->pin2 = pin2; this->encoder = Encoder(pin1, pin2); } void MotorEncoder::init() { } int MotorEncoder::read() { }

I get always an error stated that I call Encoder with 0 parameters.

In file included from src/encoder/MotorEncoder.h:5:0, from src/encoder/MotorEncoder.cpp:1: /Users/slawalata/.platformio/lib/Encoder_ID129/Encoder.h:72:2: note: candidate: Encoder::Encoder(uint8_t, uint8_t) Encoder(uint8_t pin1, uint8_t pin2) { ^ /Users/slawalata/.platformio/lib/Encoder_ID129/Encoder.h:72:2: note: candidate expects 2 arguments, 0 provided

It breaks in compilation time. I haven't called this constructor at all.

Many thanks in advance.

slawalata · Accepted Answer · 2020-06-10 07:54:01Z

Based on this link, i change my code to :

MotorEncoder.h

class MotorEncoder { public: MotorEncoder(int pin1, int pin2); void init(); int read(); private: int pin1; int pin2; Encoder* encoder; };

MotorEncoder.cpp

MotorEncoder::MotorEncoder(int pin1, int pin2) { this->pin1 = pin1; this->pin2 = pin2; this->encoder = new ::Encoder(pin1, pin2); } void MotorEncoder::init() { } int MotorEncoder::read() { return encoder->read(); }

Many thanks,

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