75 lines
2.0 KiB
C++
75 lines
2.0 KiB
C++
#include "udpserver.h"
|
|
#include "settings.h"
|
|
#include <QUdpSocket>
|
|
#include <QNetworkDatagram>
|
|
#include "mainwindow.h"
|
|
|
|
#define UDP_IMAGE_PORT 4242
|
|
|
|
UdpLedServer::UdpLedServer (QObject *parent, MainWindow *window)
|
|
: QObject(parent)
|
|
{
|
|
initSocket();
|
|
connect(this,
|
|
&UdpLedServer::changeLEDstate,
|
|
window,
|
|
&MainWindow::setLED);
|
|
connect(this,
|
|
&UdpLedServer::updatePanelContent,
|
|
window,
|
|
&MainWindow::updatePanel);
|
|
|
|
|
|
for(int x=0; x < (PANEL_WIDTH * MAXIMUM_PANELSIZE); x++) {
|
|
for(int y=0; y < PANEL_HEIGHT; y++) {
|
|
changeLEDstate(x, y);
|
|
}
|
|
}
|
|
updatePanelContent();
|
|
|
|
}
|
|
|
|
void UdpLedServer ::initSocket()
|
|
{
|
|
this->mUdpSocket = new QUdpSocket(this);
|
|
this->mUdpSocket->bind(QHostAddress::LocalHost, UDP_IMAGE_PORT);
|
|
|
|
connect(this->mUdpSocket, &QUdpSocket::readyRead,
|
|
this, &UdpLedServer ::readPendingDatagrams);
|
|
}
|
|
|
|
|
|
void UdpLedServer ::readPendingDatagrams()
|
|
{
|
|
while (this->mUdpSocket->hasPendingDatagrams()) {
|
|
QNetworkDatagram datagram = this->mUdpSocket->receiveDatagram();
|
|
processTheDatagram(datagram);
|
|
}
|
|
}
|
|
|
|
void UdpLedServer::processTheDatagram(QNetworkDatagram datagram) {
|
|
if (datagram.isValid() && datagram.data().length() == PACKET_LENGTH) {
|
|
uint8_t brightness = datagram.data().at(PACKET_INDEX_BRIGHTNESS);
|
|
int currentIndex = PACKET_INDEX_PANEL0;
|
|
|
|
uint16_t mask = 1;
|
|
for(int y=0; y < PANEL_HEIGHT; y++) {
|
|
for(int x=0; x < (PANEL_WIDTH * MAXIMUM_PANELSIZE); x++) {
|
|
if (datagram.data().at(currentIndex) & mask) {
|
|
this->changeLEDstate(x, y);
|
|
qDebug() << x << "x" << y << " set";
|
|
}
|
|
mask = (mask << 1);
|
|
if (mask >= 256) {
|
|
mask = 1;
|
|
currentIndex++;
|
|
}
|
|
}
|
|
}
|
|
this->updatePanelContent();
|
|
|
|
qDebug() << "Received datagram:" << brightness;
|
|
|
|
}
|
|
}
|