void DataModel::setValue(const QString& id, const QVariantMap& data) {
int foundAtIndex = -1;
for (int i = 0;i<m_data.size();++i) {
if (m_data[i].id == id) {
foundAtIndex = i;
}
}
if (foundAtIndex==-1)
return;
ModelDataItem& item = m_data[foundAtIndex];
item.data = data;
{
QModelIndex modelindex = createIndex(foundAtIndex,0,0);
emit dataChanged(modelindex, modelindex);
}
emit dataToSend(item);
}
ClientApplication::ClientApplication(QWidget *parent) :
QWidget(parent),
ui(new Ui::ClientApplicationUi)
{
QTcpSocket *socket = new QTcpSocket();
connection = new ClientConnection(socket, this);
ui->setupUi(this);
connect(socket, SIGNAL(connected()), this, SLOT(enableButtons()));
connect(socket, SIGNAL(disconnected()), this, SLOT(disableButtons()));
connect(connection, SIGNAL(messageReceived(QByteArray)), this, SLOT(displayMessage(QByteArray)));
connect(ui->connectButton, SIGNAL(clicked(bool)), this, SLOT(connectToServer()));
connect(ui->disconnectButton, SIGNAL(clicked(bool)), this, SLOT(disconnectFromServer()));
connect(ui->sendButton, SIGNAL(clicked(bool)), this, SLOT(dataToSend()));
connect(ui->textToSend, SIGNAL(returnPressed()), this, SLOT(dataToSend()));
}
bool PacketInterface::sendPacket(const unsigned char *data, unsigned int len_packet)
{
// Only allow firmware commands in limited mode
if (mIsLimitedMode && data[0] > COMM_WRITE_NEW_APP_DATA) {
return false;
}
static unsigned char buffer[mMaxBufferLen];
unsigned int ind = 0;
// If the IP is valid, send the packet over UDP
if (QString::compare(mHostAddress.toString(), "0.0.0.0") != 0) {
if (mSendCan) {
buffer[ind++] = COMM_FORWARD_CAN;
buffer[ind++] = mCanId;
}
memcpy(buffer + ind, data, len_packet);
ind += len_packet;
mUdpSocket->writeDatagram(QByteArray::fromRawData((const char*)buffer, ind), mHostAddress, mUdpPort);
return true;
}
int len_tot = len_packet;
if (mSendCan) {
len_tot += 2;
}
unsigned int data_offs = 0;
if (len_tot <= 256) {
buffer[ind++] = 2;
buffer[ind++] = len_tot;
data_offs = 2;
} else {
buffer[ind++] = 3;
buffer[ind++] = len_tot >> 8;
buffer[ind++] = len_tot & 0xFF;
data_offs = 3;
}
if (mSendCan) {
buffer[ind++] = COMM_FORWARD_CAN;
buffer[ind++] = mCanId;
}
memcpy(buffer + ind, data, len_packet);
ind += len_packet;
unsigned short crc = crc16(buffer + data_offs, len_tot);
buffer[ind++] = crc >> 8;
buffer[ind++] = crc;
buffer[ind++] = 3;
QByteArray sendData = QByteArray::fromRawData((char*)buffer, ind);
emit dataToSend(sendData);
return true;
}
