void TcpThread::receiveData() //接收文件
{
try
{
QDataStream in(tcpServerConnection);
in.setVersion(QDataStream::Qt_4_7);
if(bytesReceived <= sizeof(qint64)*2)
{
if((tcpServerConnection->bytesAvailable() >= sizeof(qint64) * 2) && (fileNameSize == 0))
{
in>>TotalBytes>>fileNameSize;
bytesReceived += sizeof(qint64)*2;
}
if((tcpServerConnection->bytesAvailable() >= fileNameSize) && (fileName == 0))
{
in>>fileName;
dataProcess(fileName);
}
else
{
tcpServerConnection->disconnect();
tcpServerConnection->deleteLater();
emit disconnectedSignal(socketDescriptor);
quit();
}
}
// PRE: instr is not the halt instruction
// Behaviour: Decides which of the 4 instruction types instr is and passes it to its subsequent function
// i.e. branch(instr), dataTransfer(instr) etc.
bool decodeAndExecute(uint32_t instr) {
bool isBranch = extractBit(instr, bit27);
bool isDataTransfer = extractBit(instr, bit26);
bool mulCheck = extractBit(instr, bit25);
uint32_t pattern = extractBits(instr, PATTERN_UPPER, PATTERN_LOWER);
if (isBranch) {
// puts("Executing branch instruction\n");
branch(instr);
return true;
}
else if (isDataTransfer) {
// puts("Executing data transfer instruction\n");
dataTransfer(instr);
}
else if (!mulCheck && pattern == MUL_PATTERN) {
// puts("Executing multiplier instruction\n");
iMultiply(instr);
}
else {
// puts("Executing data process instruction\n");
dataProcess(instr);
}
return false;
}
/*定时器4中断处理，主要处理串口接收数据*/
void TIM4_IRQHandler(void)
{
if (TIM_GetITStatus(TIM4, TIM_IT_Update) == SET)
{
TIM_ClearITPendingBit(TIM4,TIM_FLAG_Update);
dataProcess();
}
}
svm_node* ImgProcessing::imgProcess(IplImage* src){
std::vector<unsigned int> hist;
// Mat face = findFace(src); // If we need to find the face
Mat face(src); // Otherwise let's just assign the IplImg* to a matrix
/** prepare vector **/
hist.clear();
/** Divide image in areas **/
int img_w = face.cols;
int img_h = face.rows;
int wdh = (int) floor((double)(img_w / NB_COLS));
int hgt = (int) floor((double)(img_h / NB_ROWS));
for (int j = 0; j < NB_ROWS; j++) {
for (int i = 0; i < NB_COLS; i++) {
int start_w = i * wdh - 1;
int end_w = (i+1) * wdh + 1;
int start_h = j * hgt - 1;
int end_h = (j+1) * hgt + 1;
if (j == 0)
start_h = 0;
if (j == NB_ROWS - 1)
end_h = img_h;
if (i == 0)
start_w = 0;
if (i == NB_COLS - 1)
end_w = img_w;
/** Process sub-area **/
CvRect roi = cvRect(start_w, start_h, (end_w - start_w), (end_h - start_h));
Mat dst = processLbp(face(roi));
/** Compute histogram **/
std::vector<unsigned int> tmp = histogramProcess(dst);
for (unsigned int k = 0; k < tmp.size(); k++) {
hist.push_back(tmp[k]);
}
}
}
std::vector<double> scHist = scaleHist(hist);
return dataProcess(scHist);
}
/*!
\brief 接收但不处理数据
当有数据到来的时候，这个函数处理数据长度与魔数。\n
但它并不处理数据的内容而是将内容交给dataProcess()处理。\n
\sa MagicNumber dataProcess()
*/
void JConnectionBase::on_socket_readyRead()
{
static int size=0;
while(m_socket->bytesAvailable()>0)
{
if(size>0)
{
QByteArray data=m_socket->read(size);
size=0;
dataProcess(data);
}else if(m_socket->bytesAvailable()>=(qint64)(sizeof(int)+sizeof(MagicNumber::JMagicNumber))){
QDataStream stream(m_socket);
MagicNumber::JMagicNumber mn;
stream>>mn;
stream>>size;
if(mn != getMagicNumber())
{
qDebug()<<"magic number error:"<<metaObject()->className()<<mn<<getMagicNumber();
}
}
}
