Initial commit

Lts/Services/EffectShowClient/connection_handler_serial.cpp

@@ -0,0 +1,207 @@
+/**
+  * Connection Handler for the serial connection to the sfm
+  * $Id$
+  * $HeadURL$
+  * $Author$
+  * Created by Philipp Dassow, NLST, 2018-01-29
+  */
+
+#include "connection_handler_serial.h"
+#include <LtsUtilsCore/sfm_bytemessage_converter.h>
+
+#include <QTimer>
+
+namespace EffectShowClient
+{
+
+ConnectionHandlerSerial::ConnectionHandlerSerial(QObject *parent)
+  : QObject(parent)
+  , m_spQuerry(new LtsSerialPortQuerry::LtsSerialPortQuerry(this))
+  , m_serialPort(nullptr)
+  , m_receiveTimeoutTimer(new QTimer(this))
+  , m_currentDataRead(QByteArray())
+  , m_portName(QStringLiteral("COM5"))
+  , m_readBuffer(new QByteArray())
+  , m_logger(getLogger("ConnectionHandlerSerial"))
+{
+  m_receiveTimeoutTimer->setInterval(1700);
+  connect(m_spQuerry, &LtsSerialPortQuerry::LtsSerialPortQuerry::connectionEstablished, this, &ConnectionHandlerSerial::open);
+  m_spQuerry->restartQuerry();
+
+  connect(m_receiveTimeoutTimer, &QTimer::timeout, m_spQuerry, &LtsSerialPortQuerry::LtsSerialPortQuerry::continueQuerry);
+  connect(m_receiveTimeoutTimer, &QTimer::timeout, this, &ConnectionHandlerSerial::disconnectedFromSerialConverter);
+}
+
+ConnectionHandlerSerial::~ConnectionHandlerSerial()
+{
+  DEBUG_LOG(m_logger) << "ConnectionHandlerSerial::~ConnectionHandlerSerial";
+}
+
+bool ConnectionHandlerSerial::init()
+{
+  return true;
+}
+
+bool ConnectionHandlerSerial::send(const QByteArray &binaryData)
+{
+  // Checking port ---------------------------------------------
+
+  if (!m_serialPort)
+  {
+    DEBUG_LOG(m_logger) << "Port is not initialized!";
+    return false;
+  }
+
+  if (!m_serialPort->isOpen())
+  {
+    DEBUG_LOG(m_logger) << "Port is not opened!";
+    return false;
+  }
+
+  // Sending data ---------------------------------------------
+
+  const QByteArray writeThis = LtsUtils::byteStreamFromEscMessage(binaryData);
+  DEBUG_LOG(m_logger) << "Send HEX:" << writeThis.toHex(' ');
+  qint64 byteswritten = m_serialPort->write(writeThis);
+  DEBUG_LOG(m_logger) << "Binary data:" << binaryData.size();
+  DEBUG_LOG(m_logger) << "Try sending: " << writeThis.size();
+
+
+  // Check for errors ---------------------------------------------
+
+  if (byteswritten == -1)
+  {
+    DEBUG_LOG(m_logger) << "Failed to write data to port " << m_serialPort->portName() << " error: " << m_serialPort->errorString();
+    return false;
+  }
+  else if (byteswritten != writeThis.size())
+  {
+    DEBUG_LOG(m_logger) << "Failed to write all data to port " << m_serialPort->portName() << " error: " << m_serialPort->errorString();
+    return false;
+  }
+
+  return true;
+}
+
+bool ConnectionHandlerSerial::open()
+{
+  m_serialPort = m_spQuerry->currentSerialPort();
+  connect(m_serialPort, &QSerialPort::readyRead, this, &ConnectionHandlerSerial::read);
+
+  m_currentDataRead.clear();
+  m_receiveTimeoutTimer->start();
+  DEBUG_LOG(m_logger) << "(Re)openend serial port " << m_serialPort->portName() << " baudrate: " << m_serialPort->baudRate();
+
+  emit connectedToSerialConverter();
+  return true;
+}
+
+bool ConnectionHandlerSerial::isOpen() const
+{
+  return m_serialPort->isOpen();
+}
+
+void ConnectionHandlerSerial::read()
+{
+  const QByteArray ba = m_serialPort->readAll();
+  m_currentDataRead.append(ba);
+
+  //DEBUG_LOG(m_logger) << "Binary data from sfm: " << ba.toHex(' ');
+  DEBUG_LOG(m_logger) << "Data size" << ba.size();
+  int idxStart = -1;
+  int idxEnd = -1;
+  while ((idxStart = m_currentDataRead.indexOf(0x02)) >= 0 &&
+         (idxEnd = m_currentDataRead.indexOf(0x03)) >= 0) // while complete message frame in buffer
+  {
+
+    //whatever happens: remove current frame from data
+    //m_currentDataRead = m_currentDataRead.mid(idxEnd+1);
+
+    QByteArray message = m_currentDataRead.mid(idxStart, (idxEnd - idxStart) + 1);
+    m_currentDataRead = m_currentDataRead.mid(idxEnd + 1);
+    DEBUG_LOG(m_logger) << "Data Message found: " << message.toHex(' ');
+    message = LtsUtils::byteStreamToEscMessage(message);
+
+    if (message.size() > 2)
+    {
+      ERROR_LOG(m_logger) << "Message to long: " << message.size();
+      continue;
+    }
+
+    DEBUG_LOG(m_logger) << "Frame from sfm as binary " << message.toHex();
+    //got message now remove frame
+
+
+    unsigned int byte = 0;
+    byte = message.at(0) & 0xFF;
+    DEBUG_LOG(m_logger) << "ConnectionHandlerSerial::read var byte is" << byte;
+
+
+    if (!isValidCommandByte(byte))
+    {
+      ERROR_LOG(m_logger) << "ConnectionHandlerSerial::read Commandbyte is invalid. Returning";
+      return;
+    }
+
+    // If first byte is not between 43 and 91, then we need the second byte, because all other commands have payload. Just not this single piece of
+    if (byte < 43 ||
+        byte > 91)
+    {
+      if (message.size() > 1 &&
+          !isValidPayloadByte(message.at(1)))
+      {
+        ERROR_LOG(m_logger) << "ConnectionHandlerSerial::read Payloadbyte is invalid. Returning";
+        continue;
+      }
+    }
+
+    if (message.size() != 2)
+    {
+      ERROR_LOG(m_logger) << "ConnectionHandlerSerial::read No 2nd byte was appended (QByteArray has bad size). Returning.";
+      continue;
+    }
+
+    DEBUG_LOG(m_logger) << "Binary data from serial port: " << message.toHex(' ');
+    m_receiveTimeoutTimer->start();
+
+    emit received(message);
+  }
+
+  if (m_serialPort->bytesAvailable() > 0)
+    DEBUG_LOG(m_logger) << "Still " << m_serialPort->bytesAvailable() << " available to be read";
+}
+
+bool ConnectionHandlerSerial::isValidCommandByte(const unsigned char command)
+{
+  DEBUG_LOG(m_logger) << "ConnectionHandlerSerial::isValidCommandByte" << command << (command == 192 ||
+                                                                                      command == 240 ||
+                                                                                      command == 244 ||
+                                                                                      command == 255 ||
+                                                                                      command == 144 ||
+                                                                                      command == 202 ||
+                                                                                      command == 224 ||
+                                                                                      command == 213 ||
+                                                                                      command == 15 ||
+                                                                                      command == 42 ||
+                                                                                      (command >= 43 &&
+                                                                                       command <= 91));
+  return (command == 192 ||
+          command == 240 ||
+          command == 244 ||
+          command == 255 ||
+          command == 144 ||
+          command == 202 ||
+          command == 224 ||
+          command == 213 ||
+          command == 15 ||
+          command == 42 ||
+          (command >= 43 &&
+           command <= 91));
+}
+
+bool ConnectionHandlerSerial::isValidPayloadByte(const unsigned char payload)
+{
+  Q_UNUSED(payload);
+  return true;
+}
+}