IntroRoboticsLab1/Robot_arm.cpp

72 lines
2.1 KiB
C++

#include <iostream>
#include <chrono>
#include <thread>
#include "DynamixelHandler.h"
using namespace std;
// Global variables
DynamixelHandler _oDxlHandler;
string _poppyDxlPortName = "/dev/ttyUSB0";
float _poppyDxlProtocol = 2.0;
int _poppyDxlBaudRate = 1000000;
int _nbJoints = 6;
float _minJointCmd = 0;
float _maxJointCmd = 1023;
float _minJointAngle = -180.0f;
float _maxJointAngle = 180.0f;
int convertAnglesToJointCmd(float fJointAngle)
{ // y = ax + b
float a = (_maxJointCmd-_minJointCmd) / (_maxJointAngle - _minJointAngle);
float b = _minJointCmd - a * _minJointAngle;
float jointCmd = a * fJointAngle + b;
return (int)jointCmd;
}
void goToHomePosition()
{
vector<uint16_t> l_vTargetJointPosition;
for (int l_joint = 0; l_joint < _nbJoints; l_joint++)
{
l_vTargetJointPosition.push_back(convertAnglesToJointCmd(0.0f));
}
_oDxlHandler.sendTargetJointPosition(l_vTargetJointPosition);
}
void print_position(const char* state)
{
cout<< state << endl;
std::this_thread::sleep_for(std::chrono::milliseconds(1000));
// read current joint position
vector<uint16_t> l_vCurrentJointPosition;
_oDxlHandler.readCurrentJointPosition(l_vCurrentJointPosition);
cout << "vCurrentJointPosition= (" << endl;
for (int l_joint=0; l_joint < l_vCurrentJointPosition.size(); l_joint++)
cout << l_vCurrentJointPosition[l_joint] << ", ";
cout << ")" << endl;
// wait 1s
this_thread::sleep_for(chrono::milliseconds(1000));
}
int main()
{
cout << "===Initialization of the Dynamixel Motor communication====" << endl;
_oDxlHandler.setDeviceName(_poppyDxlPortName);
_oDxlHandler.setProtocolVersion(_poppyDxlProtocol);
_oDxlHandler.openPort();
_oDxlHandler.setBaudRate(_poppyDxlBaudRate);
_oDxlHandler.enableTorque(true);
cout << endl;
std::this_thread::sleep_for(std::chrono::milliseconds(1000));
// display current joint position
print_position("=========BEFORE MOVING========");
goToHomePosition();
print_position("=========AFTER MOVING=========");
std::this_thread::sleep_for(std::chrono::milliseconds(5000));
cout << "===Closing the Dynamixel Motor communication====" << endl;
_oDxlHandler.enableTorque(false);
_oDxlHandler.closePort();
cout << endl;
return 0;
}