source: tools/ddd/Functions.cpp@ 45

Last change on this file since 45 was 38, checked in by ogrimm, 17 years ago
Adapted magic number to change in RawDataCTX.h
File size: 11.5 KB
Line 
1
2#include "GUI.h"
3
4//-----------------------------------------------------------------------
5//**************************** All functions ****************************
6//-----------------------------------------------------------------------
7
8// +++ Open file dialog +++
9void ddd::FileDialog(void) {
10 QString Filename = QFileDialog::getOpenFileName(this,
11 "Open raw file", INITIAL_DIRECTORY, "Raw data files (*.raw);; All files (*)");
12 if (Filename != NULL) {
13 FilenameBox->setText(Filename);
14 OpenDatafile();
15 }
16}
17
18// +++ Open selected file and read run header +++
19void ddd::OpenDatafile() {
20
21 CloseDatafile(); // Close previous file if open
22
23 // Write run header to temporary file
24 FILE *Tmpfile = tmpfile();
25 if(Tmpfile==NULL) {
26 QMessageBox::warning(this, "ddd Message","Could not open temporary file.",QMessageBox::Ok);
27 CloseDatafile();
28 return;
29 }
30
31 switch (RD->OpenDataFile(FilenameBox->text().toAscii().data(), Tmpfile)) {
32 case CTX_FOPEN: QMessageBox::warning(this, "ddd Message","Could not open file.",QMessageBox::Ok);
33 return;
34 case CTX_RHEADER: QMessageBox::warning(this, "ddd Message","Could not read run header.",QMessageBox::Ok);
35 return;
36 case CTX_BSTRUCT: QMessageBox::warning(this, "ddd Message","Could not read board structures.",QMessageBox::Ok);
37 return;
38 default: break;
39 }
40 if (RD->RHeader->MagicNum == MAGICNUM_OPEN) {
41 QMessageBox::warning(this, "ddd Message","Magic number in run header indicates that the file has not been closed properly.",QMessageBox::Ok);
42 }
43 if (RD->RHeader->MagicNum == MAGICNUM_ERROR) {
44 QMessageBox::warning(this, "ddd Message","Magic number in run header indicates that an error occurred while writing the file.",QMessageBox::Ok);
45 }
46
47 rewind(Tmpfile);
48 QTextStream in(Tmpfile);
49 QString text = in.readAll();
50 RunHeaderDisplay->setPlainText(text);
51 fclose(Tmpfile);
52
53 // Enable spin boxes, set ranges and display first event
54 EventNo->setEnabled(true);
55 ChannelNo->setEnabled(true);
56 BoardNo->setEnabled(true);
57 PixelID->setEnabled(true);
58 EventNo->setValue(1);
59 EventNo->setRange(1, RD->RHeader->Events);
60 ChannelNo->setValue(0);
61 ChannelNo->setRange(0, RD->RHeader->NChannels*RD->RHeader->NChips-1);
62 BoardNo->setValue(0);
63 BoardNo->setRange(0, RD->RHeader->NCMCBoards-1);
64 DisplayEvent();
65}
66
67// +++ Close data file file if open, delete event header and disable spin boxes and displays +++
68void ddd::CloseDatafile() {
69 if(RD->CloseDataFile()==CTX_OK) {
70 EventNo->setEnabled(false);
71 ChannelNo->setEnabled(false);
72 BoardNo->setEnabled(false);
73 PixelID->setEnabled(false);
74 RunHeaderDisplay->clear();
75 EventHeaderDisplay->clear();
76 Signal->hide();
77 }
78}
79
80// +++ Read event header and display event (only called if Datafile is open) +++
81void ddd::DisplayEvent(int) {
82
83 PixelID->setText(PixMap->DRS_to_Pixel(BoardNo->value(),ChannelNo->value()/10,ChannelNo->value()%10).c_str());
84 if(Socket->state() == QAbstractSocket::ConnectedState) return; // do not execute if socket is open
85
86 // Read event
87 FILE *Tmpfile = tmpfile();
88
89 switch(RD->ReadEvent(EventNo->value(), Tmpfile)) {
90 case !CTX_OK:
91 QMessageBox::warning(this, "ddd Warning","Could not read event.",QMessageBox::Ok);
92 EventHeaderDisplay->clear();
93 break;
94 default:
95 rewind(Tmpfile);
96 QTextStream in(Tmpfile);
97 QString text = in.readAll();
98 EventHeaderDisplay->setPlainText(text);
99 // Case data in double format required by qwt library
100 double* x = new double [RD->RHeader->Samples];
101 double* y = new double [RD->RHeader->Samples];
102 for (unsigned int i=0; i<RD->RHeader->Samples; i++) {
103 x[i] = (double) (i/RD->BStruct[BoardNo->value()].NomFreq);
104 y[i] = (double) RD->Data[BoardNo->value()*RD->RHeader->NChips*RD->RHeader->NChannels *
105 RD->RHeader->Samples+ChannelNo->value()*RD->RHeader->Samples+i]*RD->BStruct[BoardNo->value()].ScaleFactor;
106 }
107 Signal->setData(x, y, RD->RHeader->Samples);
108 Signal->show();
109 Zoomer->setZoomBase(Signal->boundingRect());
110 delete[] x; delete[] y;
111 }
112 if(Tmpfile!=NULL) fclose(Tmpfile);
113}
114
115// +++ Open sub window handling the socket interface +++
116void ddd::OpenSocketWindow() {
117
118 if(SocketWindow->isVisible()) SocketWindow->hide();
119 else SocketWindow->show();
120}
121
122// +++ Acquire data through socket (acquire botton only available if socket exists) +++
123void ddd::GetSignalFromSocket() {
124 char Command[MAX_COM_SIZE];
125
126 GetButton->setEnabled(false);
127 WaitForData = true;
128 sprintf(Command, "read %d %d %d restart", BoardNo->value(), ChannelNo->value()/10, ChannelNo->value()%10);
129 Socket->write(Command);
130}
131
132// Quit application when clicking close button on window
133void ddd::closeEvent(QCloseEvent *) {
134 qApp->quit();
135}
136
137// +++ Connecting or disconnecting from client +++
138void ddd::MakeConnection() {
139
140 if(Socket->state() == QAbstractSocket::ConnectedState) {
141 ManualDisconnect = true;
142 Socket->disconnectFromHost();
143 }
144 else {
145 if (RD->IsFileOpen() && QMessageBox::question(this, "ddd Request","Connecting will close current data file. Proceed?",
146 QMessageBox::No, QMessageBox::Yes) != QMessageBox::Yes) return;
147 Socket->connectToHost(IPAddress->text(),Port->value());
148 Connect->setEnabled(false); // While waiting for connection, button not available
149 Socket->waitForConnected(SOCKET_TIMEOUT);
150 Connect->setEnabled(true);
151 if(Socket->state() != QAbstractSocket::ConnectedState)
152 QMessageBox::warning(this, "ddd Message","Could not connect to host.",QMessageBox::Ok);
153 else {
154 Connect->setText("Disconnect");
155 ConnectAction->setText("Disconnect");
156 Port->setEnabled(false);
157 IPAddress->setEnabled(false);
158 Command->setEnabled(true);
159 GetButton->setEnabled(true);
160 ManualDisconnect = false;
161
162 OpenAction->setEnabled(false);
163 FilenameBox->setEnabled(false);
164 LoadButton->setEnabled(false);
165 FilenameBox->clear();
166 CloseDatafile();
167
168 ChannelNo->setEnabled(true);
169 BoardNo->setEnabled(true);
170 PixelID->setEnabled(true);
171 ChannelNo->setRange(0, 65535);
172 BoardNo->setRange(0, 65535);
173
174 TabWidget->setTabEnabled(1,false);
175 TabWidget->setTabEnabled(2,false);
176
177 RunHeaderDisplay->clear();
178 EventHeaderDisplay->clear();
179 Signal->hide();
180 }
181 }
182}
183
184// +++ Send command to socket (command button available only if socket existing) +++
185void ddd::SendToSocket() {
186 Socket->write(Command->text().toAscii());
187 Command->clear();
188}
189
190// +++ Read data from socket and display +++
191void ddd::ReadFromSocket() {
192 // Check if channel data expected and error message arrived
193 QByteArray Data = Socket->readAll();
194 if (WaitForData && Data.contains("Error")) {
195 WaitForData = false;
196 GetButton->setEnabled(true);
197 QMessageBox::warning(this, "ddd Message","Could not read waveform data from socket.",QMessageBox::Ok);
198 return;
199 }
200
201 // Check if channel data were transmitted, if yes and waiting for data, extract and plot them
202 SocketOutput->insertPlainText(Data);
203 QString Text = SocketOutput->document()->toPlainText().trimmed();
204 if (WaitForData && Text.endsWith(QLatin1String("==END=="))) {
205 // Extract text between ==START== and ==END==
206 QByteArray Data=Text.mid(Text.lastIndexOf("==START==")+9,Text.length()-Text.lastIndexOf("==START==")-16).toAscii();
207
208 char *NextNumber = strtok(Data.data()," "); // Number of entries that follow
209 int Count=0, NumberOfEntries = atoi(NextNumber);
210 double *x = new double [NumberOfEntries];
211 double *y = new double [NumberOfEntries];
212
213 // Convert all entries (separated by a whitespace) to numbers
214 while((NextNumber=strtok(NULL, " "))!=NULL && Count<NumberOfEntries)
215 *(y+Count++) = atof(NextNumber);
216 if (Count==NumberOfEntries && NextNumber!=0)
217 QMessageBox::warning(this, "ddd Message","Found too many numbers in data block, truncated.",QMessageBox::Ok);
218 // Apply sampling frequency and scaling factor
219 for(int i=2; i<Count; i++) {
220 x[i] = (i-2) / y[0];
221 y[i] = y[i] * y[1];
222 }
223 if(NumberOfEntries>2) {
224 Signal->setData(x+2, y+2, NumberOfEntries-2); // Copies data, arrays can be deleted afterwards
225 Signal->show();
226 Zoomer->setZoomBase(Signal->boundingRect());
227 }
228 delete[] x; delete[] y;
229
230 if(ContinuousBox->isChecked()) {
231 usleep(100000); // Wait to limit maximum update rate
232 GetSignalFromSocket();
233 }
234 else {
235 WaitForData = false;
236 GetButton->setEnabled(true);
237 }
238 }
239}
240
241// +++ Disconnect from socket +++
242void ddd::GotDisconnected() {
243 Connect->setText("Connect");
244 ConnectAction->setText("Connect");
245 Port->setEnabled(true);
246 IPAddress->setEnabled(true);
247 Command->setEnabled(false);
248
249 GetButton->setEnabled(false);
250 FilenameBox->setEnabled(true);
251 OpenAction->setEnabled(true);
252 LoadButton->setEnabled(true);
253 ChannelNo->setEnabled(false);
254 BoardNo->setEnabled(false);
255 PixelID->setEnabled(false);
256 Signal->hide();
257 TabWidget->setTabEnabled(1, true);
258 TabWidget->setTabEnabled(2, true);
259
260 SocketOutput->clear();
261 if(!ManualDisconnect) QMessageBox::warning(this, "ddd Message","Socket disconnected, maybe host gone.",QMessageBox::Ok);
262}
263
264// +++ Translate pixel ID +++
265void ddd::TranslatePixelID() {
266
267 int Board = PixMap->Pixel_to_DRSboard(PixelID->text().toStdString());
268 int Chip = PixMap->Pixel_to_DRSchip(PixelID->text().toStdString());
269 int Channel = PixMap->Pixel_to_DRSchannel(PixelID->text().toStdString());
270
271 if(Board>=BoardNo->minimum() && Board<=BoardNo->maximum() &&
272 (Chip*10+Channel)>=ChannelNo->minimum() && (Chip*10+Channel)<=ChannelNo->maximum()) {
273 BoardNo->setValue(Board);
274 ChannelNo->setValue(Chip*10+Channel);
275 }
276 else if(Board==999999999) QMessageBox::warning(this, "ddd Message","Pixel ID unknown.",QMessageBox::Ok);
277 else QMessageBox::warning(this, "ddd Message","Pixel ID out of current range.",QMessageBox::Ok);
278}
279
280
281//------------------------------------------------------------------
282//**************************** All menus ***************************
283//------------------------------------------------------------------
284
285void ddd::MenuSave() {
286 QString Filename = QFileDialog::getSaveFileName(this,
287 "Filename of image", "/home/ogrimm/ddd", "Image files (*.bmp *.jpg *.png *.ppm *.tiff *.xbm *.xpm);;All files (*)");
288 if (Filename.length()>0) {
289 QPixmap Pixmap = QPixmap::grabWidget(Graph);
290 if(!Pixmap.save(Filename)) {
291 QMessageBox::warning(this, "ddd Message","Could not write image file.",QMessageBox::Ok);
292 remove(Filename.toAscii().data());
293 }
294 }
295}
296
297void ddd::MenuPrint() {
298 QPrinter *Printer = new QPrinter;
299 QPrintDialog *PrintDialog = new QPrintDialog(Printer, this);
300 if (PrintDialog->exec() == QDialog::Accepted) {
301 QPainter Painter(Printer);
302 QPixmap Pixmap = QPixmap::grabWidget(Graph);
303 Painter.drawPixmap(0, 0, Pixmap);
304 }
305 delete Printer; delete PrintDialog;
306}
307
308void ddd::MenuHelp() {
309 QMessageBox Message;
310 Message.setText("The DRS Data Display program can be used for two purposes:\n\n"
311 "1. Reading and displaying the content of a raw data file written by the drsdaq program\n"
312 "2. Acquiring and displaying online data from a running drsdaq program via the socket interface\n\n"
313 "With an established socket connection, displaying of raw data files is disabled.");
314 Message.setWindowTitle("ddd Help");
315 Message.exec();
316}
317
318void ddd::MenuAbout() {
319 QMessageBox::about(this, "ddd About","DRS Data Display\n\n"
320 "Written by Oliver Grimm, IPP, ETH Zurich\n"
321 "This version compiled "__DATE__".\n\n"
322 "Graphical user interface implemented with Qt.\n"
323 "Bug reports to oliver.grimm@phys.ethz.ch.");
324}
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