Knowledge Base Nr: 00214 megamattcp.cpp - http://www.swe-kaiser.de

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Qt: hochregallageransteuerung megalift/megamat über tcp/ip

  
#include <qsocketdevice.h>

char g_szHost[100] = "192.168.0.160";
int g_nPort = 2002;

int hw_megamatPositionieren(char *command)
{
printf("\n\nMegamatschnittstelle senden: <%s>\n", command);

QHostAddress hadr;
hadr.setAddress(g_szHost);

QSocketDevice sock(QSocketDevice::Datagram);

bool bSucc = sock.connect(hadr, g_nPort);
if (bSucc)
{
sock.setBlocking(false);

int nWritten = 0;
char buf[]="XX55\r";
buf[0]=command[0]; //TurmAdresseumkopieren
buf[1]=command[1];

//
nWritten = sock.writeBlock(buf, strlen(buf));

printf("Megamatschnittstelle send %d bytes from %d <%s>\n", nWritten, strlen(buf), buf);

if (nWritten <= 0)
{
return -1;
}
//
strcat(command, "\r");
nWritten = sock.writeBlock(command, strlen(command));

printf("Megamatschnittstelle send %d bytes from %d <%s>\n", nWritten, strlen(command), command);

if (nWritten <= 0)
{
return -1;
}
//
buf[2]='5';
buf[3]='0';

nWritten = sock.writeBlock(buf, strlen(buf));

printf("Megamatschnittstelle send %d bytes from %d <%s>\n", nWritten, strlen(buf), buf);

if (nWritten <= 0)
{
return -1;
}
//

buf[2]='3';
buf[3]='0';

nWritten = sock.writeBlock(buf, strlen(buf));

printf("Megamatschnittstelle send %d bytes from %d <%s>\n", nWritten, strlen(buf), buf);

if (nWritten <= 0)
{
return -1;
}
//

//enum Error { NoError, AlreadyBound, Inaccessible, NoResources, InternalError, Bug = InternalError, Impossible, NoFiles, ConnectionRefused, NetworkFailure, UnknownError }
QSocketDevice::Error nErr = sock.error();

printf("Megamatschnittstelle QSocketDevice::Error = %d { NoError, AlreadyBound, Inaccessible, NoResources, InternalError, Bug = InternalError, Impossible, NoFiles, ConnectionRefused, NetworkFailure, UnknownError }\n", nErr);

if (nErr != QSocketDevice::NoError)
{
return -2;
}
}
else
{
printf("Megamatschnittstelle connect(%s, %d) failed\n", g_szHost, g_nPort);

return -3;
}

printf("Megamatschnittstelle finished\n");

return 0;
}

void Form2::newSlot()
{
strcpy(g_szHost, lineEditIP->text());
g_nPort = lineEditPort->text().toInt();

int nTurmNr = lineEditTurmNo->text().toInt();
int nTabNr =lineEditTabNo->text().toInt();

char szCommand[1000] = {0};
sprintf(szCommand, "%02d05%03d000000000000000 Tablar %03d X", nTurmNr, nTabNr, (nTurmNr*100)+nTabNr);
int nErr = hw_megamatPositionieren(szCommand);

QString str;
str.sprintf("LastErr: %d", nErr);
textLabelEMegamat->setText(str);
}