Dynamixel servo library wont even compile examples

Im trying to use an AX-18A servo with my arduino but even the example sketches with the library wont compile. I´ve tried both the AX-12A and ardyno library.

AX-12A library error Move example:

/var/folders/21/l9c_p4wn6c36lkxbf3pbh3c40000gp/T/arduino_modified_sketch_684879/Move.ino: In function 'void setup()':
Move:21:45: error: no matching function for call to 'AX12A::begin(long unsigned int, unsigned int, Serial_)'
ax12a.begin(BaudRate, DirectionPin, &Serial);
^
In file included from /var/folders/21/l9c_p4wn6c36lkxbf3pbh3c40000gp/T/arduino_modified_sketch_684879/Move.ino:6:0:
/Users/something/Documents/Arduino/libraries/AX-12A-servo-library/src/AX12A.h:153:7: note: candidate: void AX12A::begin(long int, unsigned char, HardwareSerial
)
void begin(long baud, unsigned char directionPin, HardwareSerial *srl);
^~~~~
/Users/something/Documents/Arduino/libraries/AX-12A-servo-library/src/AX12A.h:153:7: note: no known conversion for argument 3 from 'Serial_' to 'HardwareSerial'
exit status 1
no matching function for call to 'AX12A::begin(long unsigned int, unsigned int, Serial_*)'

.
.
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ardyno library example Joint mode:

joint_mode:14:44: error: no matching function for call to 'HardwareDynamixelInterface::HardwareDynamixelInterface(Serial_&)'
HardwareDynamixelInterface interface(Serial);
^
In file included from /Users/something/Documents/Arduino/libraries/ardyno/src/DynamixelInterface.h:62:0,
from /Users/something/Documents/Arduino/libraries/ardyno/src/DynamixelMotor.h:9,
from /Users/something/Documents/Arduino/libraries/ardyno/examples/joint_mode/joint_mode.ino:3:
/Users/something/Documents/Arduino/libraries/ardyno/src/DynamixelInterfaceArduinoImpl.h:80:2: note: candidate: HardwareDynamixelInterface::HardwareDynamixelInterface(HardwareSerial&, uint8_t)
HardwareDynamixelInterface(HardwareSerial &aSerial, uint8_t aDirectionPin=NO_DIR_PORT);
^~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/something/Documents/Arduino/libraries/ardyno/src/DynamixelInterfaceArduinoImpl.h:80:2: note: no known conversion for argument 1 from 'Serial_' to 'HardwareSerial&'
/Users/something/Documents/Arduino/libraries/ardyno/src/DynamixelInterfaceArduinoImpl.h:77:7: note: candidate: constexpr HardwareDynamixelInterface::HardwareDynamixelInterface(const HardwareDynamixelInterface&)
class HardwareDynamixelInterface:public DynamixelInterfaceImpl
^~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/something/Documents/Arduino/libraries/ardyno/src/DynamixelInterfaceArduinoImpl.h:77:7: note: no known conversion for argument 1 from 'Serial_' to 'const HardwareDynamixelInterface&'
exit status 1
no matching function for call to 'HardwareDynamixelInterface::HardwareDynamixelInterface(Serial_&)'

any ideas how to fix this?

Please post the sketch that produces those errors

AX-12A Library

/*
 * Example showing how to send position commands to AX-12A
 */

#include "Arduino.h"
#include <AX12A.h>

#define DirectionPin 	(10u)
#define BaudRate  		(1000000ul)
#define ID				(1u)

int initial_pos = 512;
int max = initial_pos + 100;
int min = initial_pos - 100;

int pos = initial_pos;
int delta = 5;

void setup()
{
	ax12a.begin(BaudRate, DirectionPin, &Serial);
}

void loop()
{
	pos = pos + delta;

	if (pos > max)
	{
		pos = max;
		delta *= -1;
	}

	if (pos < min)
	{
		pos = min;
		delta *= -1;
	}

	ax12a.move(ID, pos);
	delay(20);
}

ardyno library

// Test motor joint mode
#include "DynamixelMotor.h"

// id of the motor
const uint8_t id=1;
// speed, between 0 and 1023
int16_t speed=512;
// communication baudrate
const long unsigned int baudrate = 1000000;

// hardware serial without tristate buffer
// see blink_led example, and adapt to your configuration
HardwareDynamixelInterface interface(Serial);

DynamixelMotor motor(interface, id);

void setup()
{ 
  interface.begin(baudrate);
  delay(100);
  
  // check if we can communicate with the motor
  // if not, we turn the led on and stop here
  uint8_t status=motor.init();
  if(status!=DYN_STATUS_OK)
  {
    pinMode(LED_BUILTIN, OUTPUT);
    digitalWrite(LED_BUILTIN, HIGH);
    while(1);
  }

  motor.enableTorque();  

  // set to joint mode, with a 180° angle range
  // see robotis doc to compute angle values
  motor.jointMode(204, 820);
  motor.speed(speed);
}

void loop() 
{
  // go to middle position
  motor.goalPosition(512);
  delay(500);

  // move 45° CCW
  motor.goalPosition(666);
  delay(500);

  // go to middle position
  motor.goalPosition(512);
  delay(500);

  // move 45° CW
  motor.goalPosition(358);
  delay(500);
}

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anyone who can help?

"I'm trying to use an AX-18A servo with my arduino"

Which of the 2 dozen or so different Arduinos?

I have Uno, nano, micro and esp-32, but the problem is the IDE wont even compile when trying to verify the example sketches