Need help with undefined reference

Projects General Guidance
1

#include "ServoEasing.h"

ServoEasing servoTop;

ServoEasing servoBottom;

const int action_pin = 2;

const int ledPin = 6;

const int potPin = A0;

int location = 31;

int bottom_closed = 107;

int top_closed = 167;

int bottom_open = 20;

int top_open = 20;

int value;

int maxBrightness;

void setup() {

pinMode(action_pin, INPUT_PULLUP);

pinMode(potPin, INPUT);

servoTop.attach(9);

servoBottom.attach(10);

setSpeedForAllServos(190);

servoTop.setEasingType(EASE_CUBIC_IN_OUT);

servoBottom.setEasingType(EASE_CUBIC_IN_OUT);

synchronizeAllServosStartAndWaitForAllServosToStop();

}

void loop() {

value = analogRead(potPin);

maxBrightness = map(value, 250, 750, 0, 255);

int proximity = digitalRead(action_pin);

if (proximity == LOW)

{

if (location > bottom_open) {

servoTop.setEaseTo(top_open);

servoBottom.setEaseTo(bottom_open);

synchronizeAllServosStartAndWaitForAllServosToStop();

location = bottom_open;

delay(10);

analogWrite(ledPin, 0);

} else {

servoTop.setEaseTo(top_closed);

servoBottom.setEaseTo(bottom_closed);

synchronizeAllServosStartAndWaitForAllServosToStop();

location = bottom_closed;

delay(50);

analogWrite(ledPin, maxBrightness / 3);

delay(100);

analogWrite(ledPin, maxBrightness / 5);

delay(100);

analogWrite(ledPin, maxBrightness / 2);

delay(100);

analogWrite(ledPin, maxBrightness / 3);

delay(100);

analogWrite(ledPin, maxBrightness);

delay(100);

}

}

}

C:\Users\Tswan\AppData\Local\Temp\ccVZVXHo.ltrans0.ltrans.o: In function setup': C:\Users\Tswan\OneDrive\Documents\Arduino\sketch_oct3i/sketch_oct3i.ino:18: undefined reference to ServoEasing::attach(int)'
C:\Users\Tswan\OneDrive\Documents\Arduino\sketch_oct3i/sketch_oct3i.ino:19: undefined reference to ServoEasing::attach(int)' C:\Users\Tswan\OneDrive\Documents\Arduino\sketch_oct3i/sketch_oct3i.ino:20: undefined reference to setSpeedForAllServos(unsigned int)'
C:\Users\Tswan\OneDrive\Documents\Arduino\sketch_oct3i/sketch_oct3i.ino:21: undefined reference to ServoEasing::setEasingType(unsigned char)' C:\Users\Tswan\OneDrive\Documents\Arduino\sketch_oct3i/sketch_oct3i.ino:22: undefined reference to ServoEasing::setEasingType(unsigned char)'
C:\Users\Tswan\OneDrive\Documents\Arduino\sketch_oct3i/sketch_oct3i.ino:23: undefined reference to synchronizeAllServosStartAndWaitForAllServosToStop()' C:\Users\Tswan\AppData\Local\Temp\ccVZVXHo.ltrans0.ltrans.o: In function loop':
C:\Users\Tswan\OneDrive\Documents\Arduino\sketch_oct3i/sketch_oct3i.ino:33: undefined reference to ServoEasing::setEaseTo(int)' C:\Users\Tswan\OneDrive\Documents\Arduino\sketch_oct3i/sketch_oct3i.ino:34: undefined reference to ServoEasing::setEaseTo(int)'
C:\Users\Tswan\OneDrive\Documents\Arduino\sketch_oct3i/sketch_oct3i.ino:35: undefined reference to synchronizeAllServosStartAndWaitForAllServosToStop()' C:\Users\Tswan\OneDrive\Documents\Arduino\sketch_oct3i/sketch_oct3i.ino:40: undefined reference to ServoEasing::setEaseTo(int)'
C:\Users\Tswan\OneDrive\Documents\Arduino\sketch_oct3i/sketch_oct3i.ino:41: undefined reference to ServoEasing::setEaseTo(int)' C:\Users\Tswan\OneDrive\Documents\Arduino\sketch_oct3i/sketch_oct3i.ino:42: undefined reference to synchronizeAllServosStartAndWaitForAllServosToStop()'
C:\Users\Tswan\AppData\Local\Temp\ccVZVXHo.ltrans0.ltrans.o: In function _GLOBAL__sub_I_servoTop': C:\Users\Tswan\OneDrive\Documents\Arduino\sketch_oct3i/sketch_oct3i.ino:2: undefined reference to ServoEasing::ServoEasing()'
C:\Users\Tswan\OneDrive\Documents\Arduino\sketch_oct3i/sketch_oct3i.ino:3: undefined reference to `ServoEasing::ServoEasing()'
collect2.exe: error: ld returned 1 exit status

exit status 1

Compilation error: exit status 1

2

you haven’t added files properly to your project most likely, give more details

3

Hello swanny21364

You may start with a tutorial how to use the mentioned libary to gain the knowledge how to.

4

Read the forum guidelines and post the code accordingly.

5

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