add，计划采集8：

实现部分计划采集功能：电源通断控制

HPPA/CommunicationViaTCP.cpp

@@ -0,0 +1,95 @@
+#include "CommunicationViaTCP.h"
+
+using namespace MotorParams;
+
+CommunicationViaTCP::CommunicationViaTCP(MotorParams::TCPConnectionParams connectionParams, QObject* parent)
+	:MotorParams::CommunicationInterfaceBase(parent)
+{
+	m_bConnected = false;
+	m_tcpServer = new QTcpServer(this);
+	connect(m_tcpServer, SIGNAL(newConnection()), this, SLOT(onNewConnection()));
+	
+	m_tcpServer->listen(QHostAddress::Any, connectionParams.port);
+}
+
+CommunicationViaTCP::~CommunicationViaTCP()
+{
+	m_tcpServer->close();
+	delete m_tcpServer;
+
+	//这两行代码要报错，为啥呢？？？？？？？？？？？？？？？？？
+	//m_tcpSocket->disconnectFromHost();
+	//delete m_tcpSocket;
+}
+
+bool CommunicationViaTCP::connect2Motor()
+{
+	return true;
+}
+
+void CommunicationViaTCP::onNewConnection()
+{
+	m_bConnected = true;
+	m_tcpSocket = m_tcpServer->nextPendingConnection();
+	connect(m_tcpSocket, SIGNAL(disconnected()), this, SLOT(onTcpSocketDisconnected()));
+
+	emit connected();
+}
+
+bool CommunicationViaTCP::isConnected() const
+{
+	return m_bConnected;
+}
+
+//从拔掉客户端的电源（客户端m_tcpSocket断开连接）到这个函数被调用有延迟，所以这个函数调用也有延迟，导致拔掉电源后的一小段时间函数isConnected()还是返回true
+void CommunicationViaTCP::onTcpSocketDisconnected()
+{
+	int a = 1;
+	m_bConnected = false;
+	m_tcpSocket->deleteLater();
+}
+
+int CommunicationViaTCP::sendCommand(const QString cmd)
+{
+	if (!isConnected()) {
+		QString error = "No client connected";
+		emit commandSendResult(-1, error);
+		qWarning() << error << "command:" << cmd;
+		return -1;
+	}
+
+	qint64 bytesWritten = m_tcpSocket->write(cmd.toUtf8().data());
+	m_tcpSocket->waitForBytesWritten(50);
+
+	return bytesWritten;
+}
+
+int CommunicationViaTCP::recvData(QByteArray& dataRecv)
+{
+	if (!isConnected()) {
+		QString error = "No client connected";
+		return -1;
+	}
+
+	dataRecv.clear();
+
+	QByteArray temp;
+
+	temp = m_tcpSocket->readAll();
+	dataRecv.append(temp);
+
+	int counter = 0;
+	while (dataRecv.size() < 21)
+	{
+		counter++;
+		m_tcpSocket->waitForReadyRead(100);
+		temp = m_tcpSocket->readAll();
+		dataRecv.append(temp);
+
+		if (counter >= 5)
+			break;
+	}
+	//qDebug() << "Hex:" << dataRecv.toHex();
+
+	return dataRecv.size();
+}