int EpocHandler::updateData()
{
//if(debug)
// std::cout << "1" <<std::endl;
if(!connected){
useradded = false;
if(connect())
{
if(debug)
std::cout << "Successfully connected" <<std::endl;
}else
{
if(debug)
std::cout << "Did not Connect Properly" << std::endl;
}
}
if(debug)
std::cout << "2" <<std::endl;
DataHandle hData = EE_DataCreate();
EE_DataSetBufferSizeInSec(secs);
EE_Event_t eventType;
state = EE_EngineGetNextEvent(eEvent);
eventType = EE_EmoEngineEventGetType(eEvent);
while(!useradded){
if ((state) == EDK_OK)
{
EE_EmoEngineEventGetUserId(eEvent, &userID);
// Log the EmoState if it has been updated
if (eventType == EE_UserAdded) {
if(debug)
std::cout << "User added" << std::endl;
useradded = true;
EE_DataAcquisitionEnable(userID, true);
readytocollect = true;
}else{
if(debug)
std::cout << "No user added" << std::endl;
}
}
state = EE_EngineGetNextEvent(eEvent);
eventType = EE_EmoEngineEventGetType(eEvent);
}
if (readytocollect)
{
if(debug)
std::cout << "3" <<std::endl;
//alte arrays löschen
if(updated){
for(it_type iterator = eegDataMap.begin(); iterator != eegDataMap.end(); iterator++) {
delete[] iterator->second;
}
updated = false;
}
EE_DataUpdateHandle(0, hData);
EE_EmoEngineEventGetEmoState(eEvent, eState);
EE_DataGetNumberOfSample(hData, &nSamplesTaken);
if (debug)
std::cout << "Updated " << nSamplesTaken << std::endl;
if (nSamplesTaken != 0) {
if(debug)
std::cout << "EmoState read " <<std::endl;
if(debug)
std::cout << " , " << (eventType == EE_EmoStateUpdated) << std::endl;
pEngagement = ES_AffectivGetEngagementBoredomScore(eState);
pFrustration = ES_AffectivGetFrustrationScore(eState);
pMeditation = ES_AffectivGetMeditationScore(eState);
pExcitement = ES_AffectivGetExcitementShortTermScore(eState);
if(debug)
std::cout << "EmoState read " << pEngagement << ", " << pFrustration << ", " << pMeditation<<std::endl;
if(debug)
std::cout << "datachannels size " << sizeof(dataChannels)/sizeof(dataChannels[0]) << std::endl;
if(debug)
std::cout << "Map Size : "<< eegDataMap.size() <<std::endl;
//Map füllen
for(int i = 0; i < sizeof(dataChannels)/sizeof(dataChannels[0]); ++i){
double* data = new double[nSamplesTaken];
if(debug)
std::cout << "check!\t";
EE_DataGet(hData, dataChannels[i],data, nSamplesTaken);
eegDataMap[dataChannels[i]] = data;
}
if(debug)
std::cout << "4" <<std::endl;
updated = true;
if(debug)
std::cout << "sizeof Map: " << eegDataMap.size() <<std::endl;
}
}
//disconnect();
return nSamplesTaken;
}
void emotiv::init(){
EE_DataChannel_t targetChannelList[] = {
ED_COUNTER,
ED_AF3, ED_F7, ED_F3, ED_FC5, ED_T7,
ED_P7, ED_O1, ED_O2, ED_P8, ED_T8,
ED_FC6, ED_F4, ED_F8, ED_AF4, ED_GYROX, ED_GYROY, ED_TIMESTAMP,
ED_FUNC_ID, ED_FUNC_VALUE, ED_MARKER, ED_SYNC_SIGNAL
};
const char header[] = "COUNTER,AF3,F7,F3, FC5, T7, P7, O1, O2,P8"
", T8, FC6, F4,F8, AF4,GYROX, GYROY, TIMESTAMP, "
"FUNC_ID, FUNC_VALUE, MARKER, SYNC_SIGNAL,";
const char affectivSuitesName[] = "Engagement,Frustration,Meditation,Excitement,";
EmoEngineEventHandle eEvent = EE_EmoEngineEventCreate();
EmoStateHandle eState = EE_EmoStateCreate();
unsigned int userID = 0;
const unsigned short composerPort = 1726;
float secs = 1;
unsigned int datarate = 0;
bool readytocollect = false;
int option = 0;
int state = 0;
if (EE_EngineConnect() != EDK_OK) {
throw std::exception("Emotiv Engine start up failed.");
}
std::cout << "Start receiving EEG Data and affectiv data! Press any key to stop logging...\n" << std::endl;
std::ofstream ofs("../bin/EEG_Data.csv",std::ios::trunc);
ofs << header << std::endl;
std::ofstream ofs2("../bin/Affectiv_Data.csv",std::ios::trunc);
ofs2 << affectivSuitesName << std::endl;
DataHandle hData = EE_DataCreate();
EE_DataSetBufferSizeInSec(secs);
std::cout << "Buffer size in secs:" << secs << std::endl;
while (!_kbhit()) {
state = EE_EngineGetNextEvent(eEvent);
EE_Event_t eventType;
if (state == EDK_OK) {
eventType = EE_EmoEngineEventGetType(eEvent);
EE_EmoEngineEventGetUserId(eEvent, &userID);
EE_EmoEngineEventGetEmoState(eEvent, eState);
// Log the EmoState if it has been updated
if (eventType == EE_UserAdded) {
std::cout << "User added";
EE_DataAcquisitionEnable(userID,true);
readytocollect = true;
}
if (readytocollect && (eventType == EE_EmoStateUpdated)) {
EE_DataUpdateHandle(0, hData);
unsigned int nSamplesTaken=0;
EE_DataGetNumberOfSample(hData,&nSamplesTaken);
std::cout << "Updated " << nSamplesTaken << std::endl;
if (nSamplesTaken != 0 ) {
double* data = new double[nSamplesTaken];
for (int sampleIdx=0 ; sampleIdx<(int)nSamplesTaken ; ++ sampleIdx) {
for (int i = 0 ; i<sizeof(targetChannelList)/sizeof(EE_DataChannel_t) ; i++) {
EE_DataGet(hData, targetChannelList[i], data, nSamplesTaken);
ofs << data[sampleIdx] << ",";
}
ofs << std::endl;
}
delete[] data;
}
float affEngegement = ES_AffectivGetEngagementBoredomScore(eState);
float affFrus = ES_AffectivGetFrustrationScore(eState);
float affMed = ES_AffectivGetMeditationScore(eState);
float affExcitement = ES_AffectivGetExcitementShortTermScore(eState);
printf("Engagement: %f, Frustration: %f, ...\n",affEngegement,affFrus);
ofs2 <<affEngegement<<","<< affFrus<<","<<affMed<<","<<affExcitement<<","<<std::endl;
}
}
Sleep(100);
}
ofs.close();
ofs2.close();
EE_DataFree(hData);
}
//--------------------------------------------------------------
void testApp::setup(){
EmoEngineEventHandle eEvent = EE_EmoEngineEventCreate();
EmoStateHandle eState = EE_EmoStateCreate();
unsigned int userID = 0;
const unsigned short composerPort = 1726;
float secs = 1;
unsigned int datarate = 0;
bool readytocollect = false;
int option = 0;
int state = 0;
std::string input;
try {
//if (argc != 2) {
//throw std::exception("Please supply the log file name.\nUsage: EEGLogger [log_file_name].");
//}
std::cout << "===================================================================" << std::endl;
std::cout << "Example to show how to log EEG Data and Affectiv Data from EmoEngine/EmoComposer." << std::endl;
std::cout << "===================================================================" << std::endl;
std::cout << "Press '1' to start and connect to the EmoEngine " << std::endl;
std::cout << "Press '2' to connect to the EmoComposer " << std::endl;
std::cout << ">> ";
std::getline(std::cin, input, '\n');
option = atoi(input.c_str());
switch (option) {
case 1:
{
if (EE_EngineConnect() != EDK_OK) {
throw std::exception("Emotiv Engine start up failed.");
}
break;
}
case 2:
{
std::cout << "Target IP of EmoComposer? [127.0.0.1] ";
std::getline(std::cin, input, '\n');
if (input.empty()) {
input = std::string("127.0.0.1");
}
if (EE_EngineRemoteConnect(input.c_str(), composerPort) != EDK_OK) {
std::string errMsg = "Cannot connect to EmoComposer on [" + input + "]";
throw std::exception(errMsg.c_str());
}
break;
}
default:
throw std::exception("Invalid option...");
break;
}
std::cout << "Start receiving EEG Data and affectiv data! Press any key to stop logging...\n" << std::endl;
std::ofstream ofs("../bin/EEG_Data.csv",std::ios::trunc);
ofs << header << std::endl;
std::ofstream ofs2("../bin/Affectiv_Data.csv",std::ios::trunc);
ofs2 << affectivSuitesName << std::endl;
DataHandle hData = EE_DataCreate();
EE_DataSetBufferSizeInSec(secs);
std::cout << "Buffer size in secs:" << secs << std::endl;
while (!_kbhit()) {
state = EE_EngineGetNextEvent(eEvent);
EE_Event_t eventType;
if (state == EDK_OK) {
eventType = EE_EmoEngineEventGetType(eEvent);
EE_EmoEngineEventGetUserId(eEvent, &userID);
EE_EmoEngineEventGetEmoState(eEvent, eState);
// Log the EmoState if it has been updated
if (eventType == EE_UserAdded) {
std::cout << "User added";
EE_DataAcquisitionEnable(userID,true);
readytocollect = true;
}
if (readytocollect && (eventType == EE_EmoStateUpdated)) {
EE_DataUpdateHandle(0, hData);
unsigned int nSamplesTaken=0;
EE_DataGetNumberOfSample(hData,&nSamplesTaken);
std::cout << "Updated " << nSamplesTaken << std::endl;
if (nSamplesTaken != 0 ) {
double* data = new double[nSamplesTaken];
for (int sampleIdx=0 ; sampleIdx<(int)nSamplesTaken ; ++ sampleIdx) {
for (int i = 0 ; i<sizeof(targetChannelList)/sizeof(EE_DataChannel_t) ; i++) {
EE_DataGet(hData, targetChannelList[i], data, nSamplesTaken);
ofs << data[sampleIdx] << ",";
}
ofs << std::endl;
}
delete[] data;
}
float affEngegement = ES_AffectivGetEngagementBoredomScore(eState);
float affFrus = ES_AffectivGetFrustrationScore(eState);
float affMed = ES_AffectivGetMeditationScore(eState);
float affExcitement = ES_AffectivGetExcitementShortTermScore(eState);
printf("Engagement: %f, Frustration: %f, ...\n",affEngegement,affFrus);
ofs2 <<affEngegement<<","<< affFrus<<","<<affMed<<","<<affExcitement<<","<<std::endl;
}
}
Sleep(100);
}
ofs.close();
ofs2.close();
EE_DataFree(hData);
}
catch (const std::exception& e) {
std::cerr << e.what() << std::endl;
std::cout << "Press any key to exit..." << std::endl;
getchar();
}
}
