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Code formatting

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edited Jul 18, 2018 at 17:40

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I have these files:

Project.inoProject.ino
Sensor.hSensor.h
Sensor.cppSensor.cpp
IMU/L3G.hIMU/L3G.h
IMU/L3G.cppIMU/L3G.cpp

Sensor.hSensor.h

#ifndef Sensor_h
#define Sensor_h

#include <EEPROM.h>
#include "IMU/L3G.h"

#define CUTOFF_FREQ 30
#define FREQ 400


class Sensor {
public:
    Sensor();
    ~Sensor();    
    void Init(void);

pivate:
    L3G gyro;
};
#endif

Sensor.cppSensor.cpp

#include "Sensor.h"

Sensor::Sensor()
{

}
Sensor::~Sensor()
{

}

void Sensor::Init(void)
{
  if (!gyro.init())
  {
    Serial.println("Failed to autodetect gyro type!");
    while (1);
  }
  gyro.enableDefault();
}

Project.inoProject.ino

#include <i2c_t3.h>
#include <EEPROM.h>
#include <Servo.h>
#include "Sensor.h"


Sensor sensor = Sensor(); 


void setup() {

  sensor.Init(); 
}

I got this error

/var/folders/8q/rbt7zf3d28b3k9t6d24k5sn00000gn/T/arduino_build_748953/sketch/Sensor.cpp.o: In function `Sensor::Init()':
/var/folders/8q/rbt7zf3d28b3k9t6d24k5sn00000gn/T/arduino_build_748953/sketch/Sensor.cpp:15: undefined reference to `L3G::init(unsigned char, unsigned char)'
/var/folders/8q/rbt7zf3d28b3k9t6d24k5sn00000gn/T/arduino_build_748953/sketch/Sensor.cpp:20: undefined reference to `L3G::enableDefault()'

So, what is wrong?

I have these files:

Project.ino
Sensor.h
Sensor.cpp
IMU/L3G.h
IMU/L3G.cpp

Sensor.h

#ifndef Sensor_h
#define Sensor_h

#include <EEPROM.h>
#include "IMU/L3G.h"

#define CUTOFF_FREQ 30
#define FREQ 400


class Sensor {
public:
    Sensor();
    ~Sensor();    
    void Init(void);

pivate:
    L3G gyro;
};
#endif

Sensor.cpp

#include "Sensor.h"

Sensor::Sensor()
{

}
Sensor::~Sensor()
{

}

void Sensor::Init(void)
{
  if (!gyro.init())
  {
    Serial.println("Failed to autodetect gyro type!");
    while (1);
  }
  gyro.enableDefault();
}

Project.ino

#include <i2c_t3.h>
#include <EEPROM.h>
#include <Servo.h>
#include "Sensor.h"


Sensor sensor = Sensor(); 


void setup() {

  sensor.Init(); 
}

I got this error

/var/folders/8q/rbt7zf3d28b3k9t6d24k5sn00000gn/T/arduino_build_748953/sketch/Sensor.cpp.o: In function `Sensor::Init()':
/var/folders/8q/rbt7zf3d28b3k9t6d24k5sn00000gn/T/arduino_build_748953/sketch/Sensor.cpp:15: undefined reference to `L3G::init(unsigned char, unsigned char)'
/var/folders/8q/rbt7zf3d28b3k9t6d24k5sn00000gn/T/arduino_build_748953/sketch/Sensor.cpp:20: undefined reference to `L3G::enableDefault()'

So, what is wrong?

I have these files:

Project.ino
Sensor.h
Sensor.cpp
IMU/L3G.h
IMU/L3G.cpp

Sensor.h

#ifndef Sensor_h
#define Sensor_h

#include <EEPROM.h>
#include "IMU/L3G.h"

#define CUTOFF_FREQ 30
#define FREQ 400


class Sensor {
public:
    Sensor();
    ~Sensor();    
    void Init(void);

pivate:
    L3G gyro;
};
#endif

Sensor.cpp

#include "Sensor.h"

Sensor::Sensor()
{

}
Sensor::~Sensor()
{

}

void Sensor::Init(void)
{
  if (!gyro.init())
  {
    Serial.println("Failed to autodetect gyro type!");
    while (1);
  }
  gyro.enableDefault();
}

Project.ino

#include <i2c_t3.h>
#include <EEPROM.h>
#include <Servo.h>
#include "Sensor.h"


Sensor sensor = Sensor(); 


void setup() {

  sensor.Init(); 
}

I got this error

/var/folders/8q/rbt7zf3d28b3k9t6d24k5sn00000gn/T/arduino_build_748953/sketch/Sensor.cpp.o: In function `Sensor::Init()':
/var/folders/8q/rbt7zf3d28b3k9t6d24k5sn00000gn/T/arduino_build_748953/sketch/Sensor.cpp:15: undefined reference to `L3G::init(unsigned char, unsigned char)'
/var/folders/8q/rbt7zf3d28b3k9t6d24k5sn00000gn/T/arduino_build_748953/sketch/Sensor.cpp:20: undefined reference to `L3G::enableDefault()'

So, what is wrong?

Source Link

asked Jul 18, 2018 at 1:24

user3552818

C++ Undefined reference to 'Class:Function()'

I have these files:

Project.ino
Sensor.h
Sensor.cpp
IMU/L3G.h
IMU/L3G.cpp

Sensor.h

#ifndef Sensor_h
#define Sensor_h

#include <EEPROM.h>
#include "IMU/L3G.h"

#define CUTOFF_FREQ 30
#define FREQ 400


class Sensor {
public:
    Sensor();
    ~Sensor();    
    void Init(void);

pivate:
    L3G gyro;
};
#endif

Sensor.cpp

#include "Sensor.h"

Sensor::Sensor()
{

}
Sensor::~Sensor()
{

}

void Sensor::Init(void)
{
  if (!gyro.init())
  {
    Serial.println("Failed to autodetect gyro type!");
    while (1);
  }
  gyro.enableDefault();
}

Project.ino

#include <i2c_t3.h>
#include <EEPROM.h>
#include <Servo.h>
#include "Sensor.h"


Sensor sensor = Sensor(); 


void setup() {

  sensor.Init(); 
}

I got this error

/var/folders/8q/rbt7zf3d28b3k9t6d24k5sn00000gn/T/arduino_build_748953/sketch/Sensor.cpp.o: In function `Sensor::Init()':
/var/folders/8q/rbt7zf3d28b3k9t6d24k5sn00000gn/T/arduino_build_748953/sketch/Sensor.cpp:15: undefined reference to `L3G::init(unsigned char, unsigned char)'
/var/folders/8q/rbt7zf3d28b3k9t6d24k5sn00000gn/T/arduino_build_748953/sketch/Sensor.cpp:20: undefined reference to `L3G::enableDefault()'

So, what is wrong?

arduino-uno c++teensy class