kni_wrapper.cpp

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/**************************************************************************
 * kni_wrapper.cpp - 
 * Implements a wrapper for the kni library so that the C++ library 
 * can be accessed by C based environments (MatLab, LabView)
 * Copyright (C) Neuronics AG
 * Philipp Keller, Tino Perucchi, 2008
**************************************************************************/
#include <iostream>
#include <memory>
#include <math.h>
#include <vector>
#include <string.h>
#include <map>

#define EXPORT_FCNS
#include "kni_wrapper/kni_wrapper.h"

//#include <pthread.h>
#include <sstream>
//KNI internal types
static std::auto_ptr<CLMBase> katana;
static std::auto_ptr<CCdlSocket> device;
static std::auto_ptr<CCplSerialCRC> protocol;
//A map containing movement vectors accessible by a string name:
std::map< std::string, std::vector<TMovement> > movements;
//A vector for storing encoders
std::vector<int> encoders;
//The number of motors, initialized in initKatana()
int numberOfMotors;
//variables to store communication data
byte    packet[32];     //comm packet
byte    buffer[256];    //comm readbuf
byte    size = 0;       //comm readbuf size


DLLEXPORT int initKatana(char* configFile, char* ipaddress){
        try {
                int port = 5566;
                device.reset(new CCdlSocket(ipaddress, port));
                protocol.reset(new CCplSerialCRC());
                protocol->init(device.get());
                katana.reset(new CLMBase());
                katana->create(configFile, protocol.get());
                numberOfMotors = katana->getNumberOfMotors();
                for(int i = 0; i < numberOfMotors; i++){
                        encoders.push_back(0);
                }
                //MessageBox(NULL, "Katana successfully initiated!",TEXT(""),MB_OK);
        }
        catch(Exception &e){
                std::cout << "ERROR: " << e.message() << std::endl;
                #ifdef WIN32
                        MessageBox(NULL, TEXT(e.message().c_str()),TEXT("KNI ERROR"),MB_OK | MB_ICONWARNING | MB_SYSTEMMODAL);
                #endif
                return ERR_FAILED;
        }
        return ERR_SUCCESS;
}
DLLEXPORT int calibrate(int axis){
        try{
                katana->calibrate();
        }
        catch(Exception &e){
                std::cout << "ERROR: " << e.message() << std::endl;
                #ifdef WIN32
                        MessageBox(NULL, TEXT(e.message().c_str()),TEXT("KNI ERROR"),MB_OK | MB_ICONWARNING | MB_SYSTEMMODAL);
                #endif
                return ERR_FAILED;
        }
        return ERR_SUCCESS;
}
DLLEXPORT int moveMot(int axis, int enc, int speed, int accel){
        try{
                //set speed
                katana->setMotorVelocityLimit(axis-1, speed);
                //set acceleration
                katana->setMotorAccelerationLimit(axis-1, accel);
                //move
                katana->moveMotorToEnc(axis-1, enc);
        }
        catch(...){
                return ERR_FAILED;
        }
        return ERR_SUCCESS;
}
DLLEXPORT int waitForMot(int axis, int targetpos, int tolerance){
        try{
                katana->waitForMotor( (short)axis-1, targetpos, tolerance, 0, TM_ENDLESS);
        }
        catch(Exception &e){
                std::cout << "ERROR: " << e.message() << std::endl;
                #ifdef WIN32
                        MessageBox(NULL, TEXT(e.message().c_str()),TEXT("KNI ERROR"),MB_OK | MB_ICONWARNING | MB_SYSTEMMODAL);
                #endif
                return ERR_FAILED;
        }
        return ERR_SUCCESS;
}
DLLEXPORT int moveMotAndWait(int axis, int targetpos, int tolerance){
        try{
                katana->moveMotorToEnc(axis-1, targetpos);
                waitForMot(axis, targetpos, tolerance);
        }
        catch(Exception &e){
                std::cout << "ERROR: " << e.message() << std::endl;
                #ifdef WIN32
                        MessageBox(NULL, TEXT(e.message().c_str()),TEXT("KNI ERROR"),MB_OK | MB_ICONWARNING | MB_SYSTEMMODAL);
                #endif
                return ERR_FAILED;
        }
        return ERR_SUCCESS;
}
DLLEXPORT int motorOn(int axis){
        try{
                katana->switchMotorOn(axis-1);
        }
        catch(Exception &e){
                std::cout << "ERROR: " << e.message() << std::endl;
                #ifdef WIN32
                        MessageBox(NULL, TEXT(e.message().c_str()),TEXT("KNI ERROR"),MB_OK | MB_ICONWARNING | MB_SYSTEMMODAL);
                #endif
                return ERR_FAILED;
        }
        return ERR_SUCCESS;
}
DLLEXPORT int motorOff(int axis){
        try{
                katana->switchMotorOff(axis-1);
        }
        catch(Exception &e){
                std::cout << "ERROR: " << e.message() << std::endl;
                #ifdef WIN32
                        MessageBox(NULL, TEXT(e.message().c_str()),TEXT("KNI ERROR"),MB_OK | MB_ICONWARNING | MB_SYSTEMMODAL);
                #endif
                return ERR_FAILED;
        }
        return ERR_SUCCESS;
}
DLLEXPORT int allMotorsOff(){
        try{
                katana->switchRobotOff();
        }
        catch(Exception &e){
                std::cout << "ERROR: " << e.message() << std::endl;
                #ifdef WIN32
                        MessageBox(NULL, TEXT(e.message().c_str()),TEXT("KNI ERROR"),MB_OK | MB_ICONWARNING | MB_SYSTEMMODAL);
                #endif
                return ERR_FAILED;
        }
        return ERR_SUCCESS;
}
DLLEXPORT int allMotorsOn(){
        try{
                katana->switchRobotOn();
        }
        catch(Exception &e){
                std::cout << "ERROR: " << e.message() << std::endl;
                #ifdef WIN32
                        MessageBox(NULL, TEXT(e.message().c_str()),TEXT("KNI ERROR"),MB_OK | MB_ICONWARNING | MB_SYSTEMMODAL);
                #endif
                return ERR_FAILED;
        }
        return ERR_SUCCESS;
}
DLLEXPORT int setGripper(bool hasGripper){
        try{
                // cannot extract configured values from KNI atm.
                int openEncoders = 30770;
                int closeEncoders = 12240;
                
                katana->setGripperParameters(hasGripper, openEncoders, closeEncoders);
        }
        catch(Exception &e){
                std::cout << "ERROR: " << e.message() << std::endl;
                #ifdef WIN32
                        MessageBox(NULL, TEXT(e.message().c_str()),TEXT("KNI ERROR"),MB_OK | MB_ICONWARNING | MB_SYSTEMMODAL);
                #endif
                return ERR_FAILED;
        }
        return ERR_SUCCESS;
}
DLLEXPORT int closeGripper(){
        try{
                katana->closeGripper();
        }
        catch(Exception &e){
                std::cout << "ERROR: " << e.message() << std::endl;
                #ifdef WIN32
                        MessageBox(NULL, TEXT(e.message().c_str()),TEXT("KNI ERROR"),MB_OK | MB_ICONWARNING | MB_SYSTEMMODAL);
                #endif
                return ERR_FAILED;
        }
        return ERR_SUCCESS;
}
DLLEXPORT int openGripper(){
        try{
                katana->openGripper();
        }
        catch(Exception &e){
                std::cout << "ERROR: " << e.message() << std::endl;
                #ifdef WIN32
                        MessageBox(NULL, TEXT(e.message().c_str()),TEXT("KNI ERROR"),MB_OK | MB_ICONWARNING | MB_SYSTEMMODAL);
                #endif
                return ERR_FAILED;
        }
        return ERR_SUCCESS;
}
DLLEXPORT int moveToPosEnc(int enc1, int enc2, int enc3, int enc4, int enc5, int enc6, int velocity, int acceleration, int tolerance, bool _wait){
        std::cout << "moving to: " << enc1 << ", " << enc2 << ", " << enc3 << ", " << enc4 << ", " << enc5 << ", " << enc6 << "\n";
        try{
                for(int i = 0; i < numberOfMotors; i++){
                        //set speed
                        katana->setMotorVelocityLimit(i, velocity);
                        //set acceleration
                        katana->setMotorAccelerationLimit(i, acceleration);
                }
                //move
                std::vector<int> enc;
                enc.push_back(enc1);
                enc.push_back(enc2);
                enc.push_back(enc3);
                enc.push_back(enc4);
                enc.push_back(enc5);
                enc.push_back(enc6);
                katana->moveRobotToEnc(enc.begin(), enc.end(), _wait, tolerance);
        }
        catch(Exception &e){
                std::cout << "ERROR: " << e.message() << std::endl;
                #ifdef WIN32
                        MessageBox(NULL, TEXT(e.message().c_str()),TEXT("KNI ERROR"),MB_OK | MB_ICONWARNING | MB_SYSTEMMODAL);
                #endif
                return ERR_FAILED;
        }
        return ERR_SUCCESS;
}
DLLEXPORT int sendSplineToMotor(int axis, int targetpos, int duration, int p0, int p1, int p2, int p3){
        try{
                katana->sendSplineToMotor((unsigned short) (axis-1), (short) targetpos, (short) duration, p0, p1, p2, p3);
        }
        catch(Exception &e){
                std::cout << "ERROR: " << e.message() << std::endl;
                #ifdef WIN32
                        MessageBox(NULL, TEXT(e.message().c_str()),TEXT("KNI ERROR"),MB_OK | MB_ICONWARNING | MB_SYSTEMMODAL);
                #endif
                return ERR_FAILED;
        }
        return ERR_SUCCESS;
}
DLLEXPORT int startSplineMovement(int contd, int exactflag){
        try{
                bool exact = (exactflag != 0);
                katana->startSplineMovement(exact, contd);
        }
        catch(Exception &e){
                std::cout << "ERROR: " << e.message() << std::endl;
                #ifdef WIN32
                        MessageBox(NULL, TEXT(e.message().c_str()),TEXT("KNI ERROR"),MB_OK | MB_ICONWARNING | MB_SYSTEMMODAL);
                #endif
                return ERR_FAILED;
        }
        return ERR_SUCCESS;
}
DLLEXPORT int flushMoveBuffers(){
        try{
                katana->flushMoveBuffers();
        }
        catch(Exception &e){
                std::cout << "ERROR: " << e.message() << std::endl;
                #ifdef WIN32
                        MessageBox(NULL, TEXT(e.message().c_str()),TEXT("KNI ERROR"),MB_OK | MB_ICONWARNING | MB_SYSTEMMODAL);
                #endif
                return ERR_FAILED;
        }
        return ERR_SUCCESS;
}
DLLEXPORT int getPosition(struct TPos *pos){
        try{
                katana->getCoordinates(pos->X, pos->Y, pos->Z, pos->phi, pos->theta, pos->psi);
        }
        catch(Exception &e){
                std::cout << "ERROR: " << e.message() << std::endl;
                #ifdef WIN32
                        MessageBox(NULL, TEXT(e.message().c_str()),TEXT("KNI ERROR"),MB_OK | MB_ICONWARNING | MB_SYSTEMMODAL);
                #endif
                return ERR_FAILED;
        }
        return ERR_SUCCESS;
}
DLLEXPORT int moveToPos(struct TPos *pos, int velocity, int acceleration){
        try{
                setMaxAccel(0, acceleration);
                setMaxVelocity(0, velocity);
                katana->moveRobotTo(pos->X, pos->Y, pos->Z, pos->phi, pos->theta, pos->psi);
        }
        catch(Exception &e){
                std::cout << "ERROR: " << e.message() << std::endl;
                #ifdef WIN32
                        MessageBox(NULL, TEXT(e.message().c_str()),TEXT("KNI ERROR"),MB_OK | MB_ICONWARNING | MB_SYSTEMMODAL);
                #endif
                return ERR_FAILED;
        }
        return ERR_SUCCESS;
}
DLLEXPORT int moveToPosLin(struct TPos *targetPos, int velocity, int acceleration){
        try{
                setMaxAccel(0, acceleration);
                setMaxVelocity(0, velocity);
                katana->moveRobotLinearTo(targetPos->X, targetPos->Y, targetPos->Z, targetPos->phi, targetPos->theta, targetPos->psi);
        }
        catch(Exception &e){
                std::cout << "ERROR: " << e.message() << std::endl;
                #ifdef WIN32
                        MessageBox(NULL, TEXT(e.message().c_str()),TEXT("KNI ERROR"),MB_OK | MB_ICONWARNING | MB_SYSTEMMODAL);
                #endif
                return ERR_FAILED;
        }
        return ERR_SUCCESS;
}
DLLEXPORT int pushMovementToStack(struct TMovement *movement, char* name){
        try{
                // name as string
                std::string name_str(name);
                // get according movement vector, a new entry is created and inserted
                // automatically if it does not exist and store movement in it
                movements[name_str].push_back(*movement);
        }
        catch(Exception &e){
                std::cout << "ERROR: " << e.message() << std::endl;
                #ifdef WIN32
                        MessageBox(NULL, TEXT(e.message().c_str()),TEXT("KNI ERROR"),MB_OK | MB_ICONWARNING | MB_SYSTEMMODAL);
                #endif
                return ERR_FAILED;
        }
        return ERR_SUCCESS;
}
DLLEXPORT int deleteMovementFromStack(char* name, int index){
        try{
                int status = ERR_SUCCESS;
                // name as string
                std::string name_str(name);
                // find movement vector
                std::map< std::string, std::vector<TMovement> >::iterator it;
                it = movements.find(name_str);
                if (it == movements.end()) {
                        // movement vector does not exist
                        status = ERR_FAILED;
                } else {
                        // movement vector exists
                        std::vector<TMovement> movement_vector = (*it).second;
                        if ((int)movement_vector.size() >= index) {
                                // index out of range
                                status = ERR_FAILED;
                        } else {
                                // erase movement
                                movement_vector.erase(movement_vector.begin()+index);
                                status = ERR_SUCCESS;
                        }
                }
                if (status == ERR_FAILED) {
                        return ERR_FAILED;
                }
        }
        catch(Exception &e){
                std::cout << "ERROR: " << e.message() << std::endl;
                #ifdef WIN32
                        MessageBox(NULL, TEXT(e.message().c_str()),TEXT("KNI ERROR"),MB_OK | MB_ICONWARNING | MB_SYSTEMMODAL);
                #endif
                return ERR_FAILED;
        }
        return ERR_SUCCESS;
}
DLLEXPORT int deleteMovementStack(char* name){
        try{
                int status = ERR_SUCCESS;
                // name as string
                std::string name_str(name);
                // find movement vector
                std::map< std::string, std::vector<TMovement> >::iterator it;
                it = movements.find(name_str);
                if (it == movements.end()) {
                        // movement vector does not exist
                        status = ERR_FAILED;
                } else {
                        // movement vector exists, erase it
                        movements.erase(it);
                        status = ERR_SUCCESS;
                }
                if (status == ERR_FAILED) {
                        return ERR_FAILED;
                }
        }
        catch(Exception &e){
                std::cout << "ERROR: " << e.message() << std::endl;
                #ifdef WIN32
                        MessageBox(NULL, TEXT(e.message().c_str()),TEXT("KNI ERROR"),MB_OK | MB_ICONWARNING | MB_SYSTEMMODAL);
                #endif
                return ERR_FAILED;
        }
        return ERR_SUCCESS;
}
DLLEXPORT int runThroughMovementStack(char* name, int loops){
        try{
                int status = ERR_SUCCESS;
                // name as string
                std::string name_str(name);
                // find movement vector
                std::map< std::string, std::vector<TMovement> >::iterator it;
                it = movements.find(name_str);
                if (it == movements.end()) {
                        // movement vector does not exist
                        status = ERR_FAILED;
                } else {
                        // movement vector exists
                        std::vector<TMovement> movement_vector = (*it).second;
                        // execute all movements in movement vector
                        int size = (int)movement_vector.size();
                        if (size == 1) {
                                status = executeMovement(&(movement_vector.at(0)));
                        } else {
                                bool first, last;
                                struct TPos *lastpos;
                                for (int j = 0; j < loops; ++j) {
                                        last = false;
                                        for (int i = 0; i < size; ++i) {
                                                if (i == 0) {
                                                        first = true;
                                                        lastpos = NULL;
                                                } else {
                                                        first = false;
                                                        lastpos = &((movement_vector.at(i-1)).pos);
                                                }
                                                if (i == (size - 1))
                                                        last = true;
                                                status = executeConnectedMovement(&(movement_vector.at(i)),
                                                                lastpos, first, last);
                                                if (status == ERR_FAILED) {
                                                        break;
                                                }
                                        }
                                }
                        }
                }
                if (status == ERR_FAILED) {
                        return ERR_FAILED;
                }
        }
        catch(Exception &e){
                std::cout << "ERROR: " << e.message() << std::endl;
                #ifdef WIN32
                        MessageBox(NULL, TEXT(e.message().c_str()),TEXT("KNI ERROR"),MB_OK | MB_ICONWARNING | MB_SYSTEMMODAL);
                #endif
                return ERR_FAILED;
        }
        return ERR_SUCCESS;
}
DLLEXPORT int executeMovement(struct TMovement *movement){
        int status = ERR_SUCCESS;
        if (movement->transition == PTP) {
                //move PTP
                status = moveToPos(&(movement->pos), movement->velocity, movement->acceleration);
        } else if (movement->transition == LINEAR) {
                //move linear
                status = moveToPosLin(&(movement->pos), movement->velocity, movement->acceleration);
        } else {
                status = ERR_FAILED;
        }
        return status;
}
DLLEXPORT int executeConnectedMovement(struct TMovement *movement, struct TPos *startPos,
                bool first, bool last){
        int status = ERR_SUCCESS;
        setMaxAccel(0, movement->acceleration);
        setMaxVelocity(0, movement->velocity);
        bool wait = last; // only wait at the last of the connected movements
        if (movement->transition == PTP) {
                //move PTP
                try{
                        if (first) {
                                // first of the connected movements, no startpos known
                                katana->moveRobotTo(movement->pos.X, movement->pos.Y, movement->pos.Z,
                                                movement->pos.phi, movement->pos.theta, movement->pos.psi,
                                                wait);
                        } else {
                                // startpos known
                                katana->movP2P(startPos->X, startPos->Y, startPos->Z, startPos->phi,
                                                startPos->theta, startPos->psi, movement->pos.X, movement->pos.Y,
                                                movement->pos.Z, movement->pos.phi, movement->pos.theta,
                                                movement->pos.psi, true, movement->velocity, wait);
                        }
                }
                catch(...){
                        status = ERR_FAILED;
                }
        } else if (movement->transition == LINEAR) {
                //move linear
                try{
                        if (first) {
                                // first of the connected movements, no startpos known
                                katana->moveRobotLinearTo(movement->pos.X, movement->pos.Y,
                                                movement->pos.Z, movement->pos.phi, movement->pos.theta,
                                                movement->pos.psi, wait);
                        } else {
                                // startpos known
                                katana->movLM2P(startPos->X, startPos->Y, startPos->Z, startPos->phi,
                                                startPos->theta, startPos->psi, movement->pos.X, movement->pos.Y,
                                                movement->pos.Z, movement->pos.phi, movement->pos.theta,
                                                movement->pos.psi, true, movement->velocity, wait);
                        }
                }
                catch(...){
                        status = ERR_FAILED;
                }
        } else {
                status = ERR_FAILED;
        }
        return status;
}
DLLEXPORT int ModBusTCP_writeWord(int address, int value){
        try{
                byte packet[32];
                byte size;
                packet[0] = 'M';
                packet[1] = 'W';
                packet[2] = (byte)address;
                packet[3] = (byte)(value >> 8);
                packet[4] = (byte)value;
                protocol->comm(packet, buffer, &size);
                if (!buffer[0] || ((short) size != 4)){
                        return ERR_FAILED;
                }
        }
        catch(Exception &e){
                std::cout << "ERROR: " << e.message() << std::endl;
                #ifdef WIN32
                        MessageBox(NULL, TEXT(e.message().c_str()),TEXT("KNI ERROR"),MB_OK | MB_ICONWARNING | MB_SYSTEMMODAL);
                #endif
                return ERR_FAILED;
        }
        return ERR_SUCCESS;
}
int ModBusTCP_readWord(int address, int &value){
        try{
                byte packet[32];
                byte size;
                packet[0] = 'M';
                packet[1] = 'R';
                packet[2] = (byte)address;
                protocol->comm(packet, buffer, &size);
                if (!buffer[0] || ((short) size != 4)){
                        return ERR_FAILED;
                }
                int val = buffer[2];
                val <<= 8;
                val += buffer[1];
                value = val;
        }
        catch(Exception &e){
                std::cout << "ERROR: " << e.message() << std::endl;
                #ifdef WIN32
                        MessageBox(NULL, TEXT(e.message().c_str()),TEXT("KNI ERROR"),MB_OK | MB_ICONWARNING | MB_SYSTEMMODAL);
                #endif
                return ERR_FAILED;
        }
        return ERR_SUCCESS;
}
DLLEXPORT int IO_setOutput(char output, int value){
        try{
                byte packet[32];
                byte size;
                packet[0] = 'T';
                packet[1] = 'w';
                packet[2] = (byte)value << output;
                packet[3] = 0;
                packet[4] = 0;
                protocol->comm(packet, buffer, &size);
                if (!buffer[0] || ((short) size != 2)) {
                        std::cout << " command failed!" << std::endl;
                        return ERR_FAILED;
                }
        }
        catch(Exception &e){
                std::cout << "ERROR: " << e.message() << std::endl;
                #ifdef WIN32
                        MessageBox(NULL, TEXT(e.message().c_str()),TEXT("KNI ERROR"),MB_OK | MB_ICONWARNING | MB_SYSTEMMODAL);
                #endif
                return ERR_FAILED;
        }
        return ERR_SUCCESS;
}
int IO_readInput(int inputNr, int &value){
        try{
                byte    packet[32];
                byte size;
                packet[0] = 'T';
                packet[1] = 'r';
                packet[2] = 0;
                packet[3] = 0;
                packet[4] = 0;
                protocol->comm(packet, buffer, &size);
                if (!buffer[0] || ((short) size != 2)) {
                        std::cout << " command failed!" << std::endl;
                        return ERR_FAILED;
                }
        }
        catch(Exception &e){
                std::cout << "ERROR: " << e.message() << std::endl;
                #ifdef WIN32
                        MessageBox(NULL, TEXT(e.message().c_str()),TEXT("KNI ERROR"),MB_OK | MB_ICONWARNING | MB_SYSTEMMODAL);
                #endif
                return ERR_FAILED;
        }
        byte mask = static_cast<byte>(pow(static_cast<double>(2), inputNr-1));
        if(buffer[1] != 0xFF){
                if((mask & (int)buffer[1]) > 0){
                        value = 0;
                } else {
                        value = 1;
                }
                return ERR_SUCCESS;
        }
        else return ERR_FAILED;
}
DLLEXPORT int clearMoveBuffers(){
        try{
                for(int i = 1; i <= getNumberOfMotors(); i++){
                        TMotTPS tps = { MCF_CLEAR_MOVEBUFFER, 0 };
                        katana->GetBase()->GetMOT()->arr[i].sendTPS(&tps);
                }
        }
        catch(Exception &e){
                std::cout << "ERROR: " << e.message() << std::endl;
                #ifdef WIN32
                        MessageBox(NULL, TEXT(e.message().c_str()),TEXT("KNI ERROR"),MB_OK | MB_ICONWARNING | MB_SYSTEMMODAL);
                #endif
                return ERR_FAILED;
        }
        return ERR_SUCCESS;
}
int getVelocity(int axis, int &value){
        try{
                katana->GetBase()->GetMOT()->arr[axis-1].recvPVP();
                short vel = katana->GetBase()->GetMOT()->arr[axis-1].GetPVP()->vel;
                value = (int) vel;
        }
        catch(Exception &e){
                std::cout << "ERROR: " << e.message() << std::endl;
                #ifdef WIN32
                        MessageBox(NULL, TEXT(e.message().c_str()),TEXT("KNI ERROR"),MB_OK | MB_ICONWARNING | MB_SYSTEMMODAL);
                #endif
                return ERR_FAILED;
        }
        return ERR_SUCCESS;
}
int getDrive(int axis, int &value){
        try{
                katana->GetBase()->GetMOT()->arr[axis-1].recvPVP();
                byte pwm = katana->GetBase()->GetMOT()->arr[axis-1].GetPVP()->pwm;
                value = (int) pwm;
        }
        catch(Exception &e){
                std::cout << "ERROR: " << e.message() << std::endl;
                #ifdef WIN32
                        MessageBox(NULL, TEXT(e.message().c_str()),TEXT("KNI ERROR"),MB_OK | MB_ICONWARNING | MB_SYSTEMMODAL);
                #endif
                return ERR_FAILED;
        }
        return ERR_SUCCESS;
}
int getEncoder(int axis, int &value){
        try{
                katana->getRobotEncoders(encoders.begin(), encoders.end());
                value = encoders.at(axis-1);
        }
        catch(Exception &e){
                std::cout << "ERROR: " << e.message() << std::endl;
                #ifdef WIN32
                        MessageBox(NULL, TEXT(e.message().c_str()),TEXT("KNI ERROR"),MB_OK | MB_ICONWARNING | MB_SYSTEMMODAL);
                #endif
                return ERR_FAILED;
        }
        return ERR_SUCCESS;
}
int getAxisFirmwareVersion(int axis, char value[]){
        try{
                katana->GetBase()->GetMOT()->arr[axis-1].recvSFW();
                int v = (int) katana->GetBase()->GetMOT()->arr[axis-1].GetSFW()->version;
                int sv = (int) katana->GetBase()->GetMOT()->arr[axis-1].GetSFW()->subversion;
                int r = (int) katana->GetBase()->GetMOT()->arr[axis-1].GetSFW()->revision;
                std::stringstream ss;
                ss << v << "." << sv << "." << r;
                const char* cstr = ss.str().c_str();
                int index = -1;
                do {
                        index++;
                        value[index] = cstr[index];
                } while (cstr[index] != '\0');
        }
        catch(Exception &e){
                std::cout << "ERROR: " << e.message() << std::endl;
                #ifdef WIN32
                        MessageBox(NULL, TEXT(e.message().c_str()),TEXT("KNI ERROR"),MB_OK | MB_ICONWARNING | MB_SYSTEMMODAL);
                #endif
                return ERR_FAILED;
        }
        return ERR_SUCCESS;
}
int getVersion(char value[]){
        try{
                katana->GetBase()->recvMFW();
                int v = (int) katana->GetBase()->GetMFW()->ver;
                int r = (int) katana->GetBase()->GetMFW()->rev;
                std::stringstream ss;
                ss << v << "." << r;
                const char* cstr = ss.str().c_str();
                int index = -1;
                do {
                        index++;
                        value[index] = cstr[index];
                } while (cstr[index] != '\0');
        }
        catch(Exception &e){
                std::cout << "ERROR: " << e.message() << std::endl;
                #ifdef WIN32
                        MessageBox(NULL, TEXT(e.message().c_str()),TEXT("KNI ERROR"),MB_OK | MB_ICONWARNING | MB_SYSTEMMODAL);
                #endif
                return ERR_FAILED;
        }
        return ERR_SUCCESS;
}
DLLEXPORT int setCollisionDetection(int axis, bool state){
        try{
                if(state == true){
                        katana->enableCrashLimits();
                }
                else katana->disableCrashLimits();
        }
        catch(Exception &e){
                std::cout << "ERROR: " << e.message() << std::endl;
                #ifdef WIN32
                        MessageBox(NULL, TEXT(e.message().c_str()),TEXT("KNI ERROR"),MB_OK | MB_ICONWARNING | MB_SYSTEMMODAL);
                #endif
                return ERR_FAILED;
        }
        return ERR_SUCCESS;
}
DLLEXPORT int setPositionCollisionLimit(int axis, int limit){
        try{
                katana->setPositionCollisionLimit(axis-1, limit);
        }
        catch(Exception &e){
                std::cout << "ERROR: " << e.message() << std::endl;
                #ifdef WIN32
                        MessageBox(NULL, TEXT(e.message().c_str()),TEXT("KNI ERROR"),MB_OK | MB_ICONWARNING | MB_SYSTEMMODAL);
                #endif
                return ERR_FAILED;
        }
        return ERR_SUCCESS;
}
DLLEXPORT int setVelocityCollisionLimit(int axis, int limit){
        try{
                katana->setSpeedCollisionLimit(axis-1, limit);
        }
        catch(Exception &e){
                std::cout << "ERROR: " << e.message() << std::endl;
                #ifdef WIN32
                        MessageBox(NULL, TEXT(e.message().c_str()),TEXT("KNI ERROR"),MB_OK | MB_ICONWARNING | MB_SYSTEMMODAL);
                #endif
                return ERR_FAILED;
        }
        return ERR_SUCCESS;
}
DLLEXPORT int setCollisionParameters(int axis, int position, int velocity){
        try{
                setPositionCollisionLimit(axis, position);
                setVelocityCollisionLimit(axis, velocity);
        }
        catch(Exception &e){
                std::cout << "ERROR: " << e.message() << std::endl;
                #ifdef WIN32
                        MessageBox(NULL, TEXT(e.message().c_str()),TEXT("KNI ERROR"),MB_OK | MB_ICONWARNING | MB_SYSTEMMODAL);
                #endif
                return ERR_FAILED;
        }
        return ERR_SUCCESS;
}
DLLEXPORT int  setForceLimit(int axis, int limit){
        try{
                katana->setForceLimit(axis, limit);
        }
        catch(Exception &e){
                std::cout << "ERROR: " << e.message() << std::endl;
                #ifdef WIN32
                        MessageBox(NULL, TEXT(e.message().c_str()),TEXT("KNI ERROR"),MB_OK | MB_ICONWARNING | MB_SYSTEMMODAL);
                #endif
                return ERR_FAILED;
        }
        return ERR_SUCCESS;
}
DLLEXPORT int  getForce(int axis){
        try{
                return katana->getForce(axis);
        }
        catch(Exception &e){
                std::cout << "ERROR: " << e.message() << std::endl;
                #ifdef WIN32
                        MessageBox(NULL, TEXT(e.message().c_str()),TEXT("KNI ERROR"),MB_OK | MB_ICONWARNING | MB_SYSTEMMODAL);
                #endif
                return ERR_FAILED;
        }
}
DLLEXPORT int getCurrentControllerType(int axis){
        try{
                return katana->getCurrentControllerType(axis);
        }
        catch(Exception &e){
                std::cout << "ERROR: " << e.message() << std::endl;
                #ifdef WIN32
                        MessageBox(NULL, TEXT(e.message().c_str()),TEXT("KNI ERROR"),MB_OK | MB_ICONWARNING | MB_SYSTEMMODAL);
                #endif
                return ERR_FAILED;
        }
}
DLLEXPORT int unblock(){
        try{
                katana->unBlock();
        }
        catch(Exception &e){
                std::cout << "ERROR: " << e.message() << std::endl;
                #ifdef WIN32
                        MessageBox(NULL, TEXT(e.message().c_str()),TEXT("KNI ERROR"),MB_OK | MB_ICONWARNING | MB_SYSTEMMODAL);
                #endif
                return ERR_FAILED;
        }
        return ERR_SUCCESS;
}
DLLEXPORT int setControllerParameters(int axis, int ki, int kspeed, int kpos){
        try{
                katana->GetBase()->GetMOT()->arr[axis-1].setControllerParameters(kspeed, kpos, ki);
        }
        catch(Exception &e){
                std::cout << "ERROR: " << e.message() << std::endl;
                #ifdef WIN32
                        MessageBox(NULL, TEXT(e.message().c_str()),TEXT("KNI ERROR"),MB_OK | MB_ICONWARNING | MB_SYSTEMMODAL);
                #endif
                return ERR_FAILED;
        }
        return ERR_SUCCESS;
}
DLLEXPORT int setMaxVelocity(int axis, int vel){
        try{
                if (axis == 0){
                        for(int i = 0; i <= getNumberOfMotors()-1; i++){
                                katana->setMotorVelocityLimit(i, vel);
                        }
                }
                else{
                        katana->setMotorVelocityLimit(axis-1, vel);
                }
                katana->setMaximumLinearVelocity((double)vel);
        }
        catch(Exception &e){
                std::cout << "ERROR: " << e.message() << std::endl;
                #ifdef WIN32
                        MessageBox(NULL, TEXT(e.message().c_str()),TEXT("KNI ERROR"),MB_OK | MB_ICONWARNING | MB_SYSTEMMODAL);
                #endif
                return ERR_FAILED;
        }
        return ERR_SUCCESS;
}
DLLEXPORT int setMaxAccel(int axis, int acceleration){
        try{
                if (axis == 0){
                        for(int i = 0; i <= getNumberOfMotors()-1; i++){
                                katana->setMotorAccelerationLimit(i, acceleration);
                        }
                }
                else{
                        katana->setMotorAccelerationLimit(axis-1, acceleration);
                }
                
        }
        catch(Exception &e){
                std::cout << "ERROR: " << e.message() << std::endl;
                #ifdef WIN32
                        MessageBox(NULL, TEXT(e.message().c_str()),TEXT("KNI ERROR"),MB_OK | MB_ICONWARNING | MB_SYSTEMMODAL);
                #endif
                return ERR_FAILED;
        }
        return ERR_SUCCESS;
}
DLLEXPORT int getNumberOfMotors(){
        try{
                return katana->getNumberOfMotors();
        }
        catch(Exception &e){
                std::cout << "ERROR: " << e.message() << std::endl;
                #ifdef WIN32
                        MessageBox(NULL, TEXT(e.message().c_str()),TEXT("KNI ERROR"),MB_OK | MB_ICONWARNING | MB_SYSTEMMODAL);
                #endif
                return ERR_FAILED;
        }
        return ERR_SUCCESS;
}
DLLEXPORT int ping(int axis){
        try{
                //throws ParameterReadingException if unsuccessful
                katana->GetBase()->recvECH();
        }
        catch(Exception &e){
                std::cout << "ERROR: " << e.message() << std::endl;
                #ifdef WIN32
                        MessageBox(NULL, TEXT(e.message().c_str()),TEXT("KNI ERROR"),MB_OK | MB_ICONWARNING | MB_SYSTEMMODAL);
                #endif
                return ERR_FAILED;
        }
        return ERR_SUCCESS;
}