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save_data.cpp
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save_data.cpp
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/*
***************************************************************************
*
* Author: Teunis van Beelen
*
* Copyright (C) 2015 - 2020 Teunis van Beelen
*
* Email: [email protected]
*
***************************************************************************
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
***************************************************************************
*/
#define SAV_MEM_BSZ (250000)
void UI_Mainwindow::save_screenshot()
{
int n;
char str[512],
opath[MAX_PATHLEN];
QPainter painter;
QPainterPath path;
if(device == NULL)
{
return;
}
scrn_timer->stop();
scrn_thread->wait();
tmc_write(":DISP:DATA?");
save_data_thread get_data_thrd(0);
QMessageBox w_msg_box;
w_msg_box.setIcon(QMessageBox::NoIcon);
w_msg_box.setText("Downloading data...");
w_msg_box.setStandardButtons(QMessageBox::Abort);
connect(&get_data_thrd, SIGNAL(finished()), &w_msg_box, SLOT(accept()));
get_data_thrd.start();
if(w_msg_box.exec() != QDialog::Accepted)
{
disconnect(&get_data_thrd, 0, 0, 0);
strlcpy(str, "Aborted by user.", 512);
goto OUT_ERROR;
}
disconnect(&get_data_thrd, 0, 0, 0);
n = get_data_thrd.get_num_bytes_rcvd();
if(n < 0)
{
strlcpy(str, "Can not read from device.", 512);
goto OUT_ERROR;
}
if(device->sz != SCRN_SHOT_BMP_SZ)
{
strlcpy(str, "Error, bitmap has wrong filesize\n", 512);
goto OUT_ERROR;
}
if(strncmp(device->buf, "BM", 2))
{
strlcpy(str, "Error, file is not a bitmap\n", 512);
goto OUT_ERROR;
}
memcpy(devparms.screenshot_buf, device->buf, SCRN_SHOT_BMP_SZ);
screenXpm.loadFromData((uchar *)(devparms.screenshot_buf), SCRN_SHOT_BMP_SZ);
if(devparms.modelserie == 1)
{
painter.begin(&screenXpm);
#if QT_VERSION >= 0x050000
painter.setRenderHint(QPainter::Qt4CompatiblePainting, true);
#endif
painter.fillRect(0, 0, 80, 29, Qt::black);
painter.setPen(Qt::white);
painter.drawText(5, 8, 65, 20, Qt::AlignCenter, devparms.modelname);
painter.end();
}
else if(devparms.modelserie == 6)
{
painter.begin(&screenXpm);
#if QT_VERSION >= 0x050000
painter.setRenderHint(QPainter::Qt4CompatiblePainting, true);
#endif
painter.fillRect(0, 0, 95, 29, QColor(48, 48, 48));
path.addRoundedRect(5, 5, 85, 20, 3, 3);
painter.fillPath(path, Qt::black);
painter.setPen(Qt::white);
painter.drawText(5, 5, 85, 20, Qt::AlignCenter, devparms.modelname);
painter.end();
}
if(devparms.screenshot_inv)
{
screenXpm.invertPixels(QImage::InvertRgb);
}
opath[0] = 0;
if(recent_savedir[0]!=0)
{
strlcpy(opath, recent_savedir, MAX_PATHLEN);
strlcat(opath, "/", MAX_PATHLEN);
}
strlcat(opath, "screenshot.png", MAX_PATHLEN);
strlcpy(opath, QFileDialog::getSaveFileName(this, "Save file", opath, "PNG files (*.png *.PNG)").toLocal8Bit().data(), MAX_PATHLEN);
if(!strcmp(opath, ""))
{
scrn_timer->start(devparms.screentimerival);
return;
}
get_directory_from_path(recent_savedir, opath, MAX_PATHLEN);
if(screenXpm.save(QString::fromLocal8Bit(opath), "PNG", 50) == false)
{
strlcpy(str, "Could not save file (unknown error)", 512);
goto OUT_ERROR;
}
scrn_timer->start(devparms.screentimerival);
return;
OUT_ERROR:
if(get_data_thrd.isFinished() != true)
{
connect(&get_data_thrd, SIGNAL(finished()), &w_msg_box, SLOT(accept()));
w_msg_box.setText("Waiting for thread to finish, please wait...");
w_msg_box.exec();
}
scrn_timer->start(devparms.screentimerival);
QMessageBox msgBox;
msgBox.setIcon(QMessageBox::Critical);
msgBox.setText(str);
msgBox.exec();
}
void UI_Mainwindow::get_deep_memory_waveform(void)
{
int i, k,
n=0,
chn,
chns=0,
bytes_rcvd=0,
mempnts,
yref[MAX_CHNS],
empty_buf;
char str[512];
short *wavbuf[MAX_CHNS];
QEventLoop ev_loop;
QMessageBox wi_msg_box;
save_data_thread get_data_thrd(0);
if(device == NULL)
{
return;
}
scrn_timer->stop();
scrn_thread->wait();
for(i=0; i<MAX_CHNS; i++)
{
wavbuf[i] = NULL;
}
mempnts = devparms.acquirememdepth;
QProgressDialog progress("Downloading data...", "Abort", 0, mempnts, this);
progress.setWindowModality(Qt::WindowModal);
progress.setMinimumDuration(0);
connect(&get_data_thrd, SIGNAL(finished()), &ev_loop, SLOT(quit()));
statusLabel->setText("Downloading data...");
for(i=0; i<MAX_CHNS; i++)
{
if(!devparms.chandisplay[i])
{
continue;
}
chns++;
}
if(!chns)
{
strlcpy(str, "No active channels.", 512);
goto OUT_ERROR;
}
if(mempnts < 1)
{
strlcpy(str, "Can not download waveform when memory depth is set to \"Auto\".", 512);
goto OUT_ERROR;
}
for(i=0; i<MAX_CHNS; i++)
{
if(!devparms.chandisplay[i]) // Download data only when channel is switched on
{
continue;
}
wavbuf[i] = (short *)malloc(mempnts * sizeof(short));
if(wavbuf[i] == NULL)
{
snprintf(str, 512, "Malloc error. line %i file %s", __LINE__, __FILE__);
goto OUT_ERROR;
}
}
tmc_write(":STOP");
usleep(20000);
for(chn=0; chn<MAX_CHNS; chn++)
{
if(!devparms.chandisplay[chn]) // Download data only when channel is switched on
{
continue;
}
snprintf(str, 512, "Downloading channel %i waveform data...", chn + 1);
progress.setLabelText(str);
snprintf(str, 512, ":WAV:SOUR CHAN%i", chn + 1);
tmc_write(str);
tmc_write(":WAV:FORM BYTE");
usleep(20000);
tmc_write(":WAV:MODE RAW");
usleep(20000);
tmc_write(":WAV:YINC?");
usleep(20000);
tmc_read();
devparms.yinc[chn] = atof(device->buf);
if(devparms.yinc[chn] < 1e-6)
{
snprintf(str, 512, "Error, parameter \"YINC\" out of range: %e line %i file %s", devparms.yinc[chn], __LINE__, __FILE__);
goto OUT_ERROR;
}
usleep(20000);
tmc_write(":WAV:YREF?");
usleep(20000);
tmc_read();
yref[chn] = atoi(device->buf);
if((yref[chn] < 1) || (yref[chn] > 255))
{
snprintf(str, 512, "Error, parameter \"YREF\" out of range: %i line %i file %s", yref[chn], __LINE__, __FILE__);
goto OUT_ERROR;
}
usleep(20000);
tmc_write(":WAV:YOR?");
usleep(20000);
tmc_read();
devparms.yor[chn] = atoi(device->buf);
if((devparms.yor[chn] < -255) || (devparms.yor[chn] > 255))
{
snprintf(str, 512, "Error, parameter \"YOR\" out of range: %i line %i file %s", devparms.yor[chn], __LINE__, __FILE__);
goto OUT_ERROR;
}
empty_buf = 0;
for(bytes_rcvd=0; bytes_rcvd<mempnts ;)
{
progress.setValue(bytes_rcvd);
if(progress.wasCanceled())
{
strlcpy(str, "Canceled", 512);
goto OUT_ERROR;
}
snprintf(str, 512, ":WAV:STAR %i", bytes_rcvd + 1);
usleep(20000);
tmc_write(str);
if((bytes_rcvd + SAV_MEM_BSZ) > mempnts)
{
snprintf(str, 512, ":WAV:STOP %i", mempnts);
}
else
{
snprintf(str, 512, ":WAV:STOP %i", bytes_rcvd + SAV_MEM_BSZ);
}
usleep(20000);
tmc_write(str);
usleep(20000);
tmc_write(":WAV:DATA?");
get_data_thrd.start();
ev_loop.exec();
n = get_data_thrd.get_num_bytes_rcvd();
if(n < 0)
{
snprintf(str, 512, "Can not read from device. line %i file %s", __LINE__, __FILE__);
goto OUT_ERROR;
}
if(n == 0)
{
snprintf(str, 512, "No waveform data available.");
goto OUT_ERROR;
}
printf("received %i bytes, total %i bytes\n", n, n + bytes_rcvd);
if(n > SAV_MEM_BSZ)
{
snprintf(str, 512, "Datablock too big for buffer: %i line %i file %s", n, __LINE__, __FILE__);
goto OUT_ERROR;
}
if(n < 1)
{
if(empty_buf++ > 100)
{
break;
}
}
else
{
empty_buf = 0;
}
for(k=0; k<n; k++)
{
if((bytes_rcvd + k) >= mempnts)
{
break;
}
wavbuf[chn][bytes_rcvd + k] = ((int)(((unsigned char *)device->buf)[k]) - yref[chn] - devparms.yor[chn]) << 5;
}
bytes_rcvd += n;
if(bytes_rcvd >= mempnts)
{
break;
}
}
if(bytes_rcvd < mempnts)
{
snprintf(str, 512, "Download error. line %i file %s", __LINE__, __FILE__);
goto OUT_ERROR;
}
}
progress.reset();
for(chn=0; chn<MAX_CHNS; chn++)
{
if(!devparms.chandisplay[chn])
{
continue;
}
snprintf(str, 512, ":WAV:SOUR CHAN%i", chn + 1);
usleep(20000);
tmc_write(str);
usleep(20000);
tmc_write(":WAV:MODE NORM");
usleep(20000);
tmc_write(":WAV:STAR 1");
if(devparms.modelserie == 1)
{
usleep(20000);
tmc_write(":WAV:STOP 1200");
}
else
{
usleep(20000);
tmc_write(":WAV:STOP 1400");
usleep(20000);
tmc_write(":WAV:POIN 1400");
}
}
if(bytes_rcvd < mempnts)
{
snprintf(str, 512, "Download error. line %i file %s", __LINE__, __FILE__);
goto OUT_ERROR;
}
else
{
statusLabel->setText("Downloading finished");
}
new UI_wave_window(&devparms, wavbuf, this);
disconnect(&get_data_thrd, 0, 0, 0);
scrn_timer->start(devparms.screentimerival);
return;
OUT_ERROR:
disconnect(&get_data_thrd, 0, 0, 0);
progress.reset();
statusLabel->setText("Downloading aborted");
if(get_data_thrd.isRunning() == true)
{
QMessageBox w_msg_box;
w_msg_box.setIcon(QMessageBox::NoIcon);
w_msg_box.setText("Waiting for thread to finish, please wait...");
w_msg_box.setStandardButtons(QMessageBox::Abort);
connect(&get_data_thrd, SIGNAL(finished()), &w_msg_box, SLOT(accept()));
w_msg_box.exec();
}
if(progress.wasCanceled() == false)
{
QMessageBox msgBox;
msgBox.setIcon(QMessageBox::Critical);
msgBox.setText(str);
msgBox.exec();
}
for(chn=0; chn<MAX_CHNS; chn++)
{
if(!devparms.chandisplay[chn])
{
continue;
}
snprintf(str, 512, ":WAV:SOUR CHAN%i", chn + 1);
tmc_write(str);
tmc_write(":WAV:MODE NORM");
tmc_write(":WAV:STAR 1");
if(devparms.modelserie == 1)
{
tmc_write(":WAV:STOP 1200");
}
else
{
tmc_write(":WAV:STOP 1400");
tmc_write(":WAV:POIN 1400");
}
}
for(chn=0; chn<MAX_CHNS; chn++)
{
free(wavbuf[chn]);
wavbuf[chn] = NULL;
}
scrn_timer->start(devparms.screentimerival);
}
void UI_Mainwindow::save_wave_inspector_buffer_to_edf(struct device_settings *d_parms)
{
int i, j,
chn,
chns=0,
hdl=-1,
mempnts,
smps_per_record,
datrecs=1,
ret_stat;
char str[512],
opath[MAX_PATHLEN];
long long rec_len=0LL,
datrecduration;
QMessageBox wi_msg_box;
save_data_thread sav_data_thrd(1);
mempnts = d_parms->acquirememdepth;
smps_per_record = mempnts;
for(i=0; i<MAX_CHNS; i++)
{
if(!d_parms->chandisplay[i])
{
continue;
}
chns++;
}
if(!chns)
{
strlcpy(str, "No active channels.", 512);
goto OUT_ERROR;
}
while(smps_per_record >= (5000000 / chns))
{
smps_per_record /= 2;
datrecs *= 2;
}
rec_len = (EDFLIB_TIME_DIMENSION * (long long)mempnts) / d_parms->samplerate;
if(rec_len < 100)
{
strlcpy(str, "Can not save waveforms shorter than 10 uSec.\n"
"Select a higher memory depth or a higher timebase.", 512);
goto OUT_ERROR;
}
opath[0] = 0;
if(recent_savedir[0]!=0)
{
strlcpy(opath, recent_savedir, MAX_PATHLEN);
strlcat(opath, "/", MAX_PATHLEN);
}
strlcat(opath, "waveform.edf", MAX_PATHLEN);
strlcpy(opath, QFileDialog::getSaveFileName(this, "Save file", opath, "EDF files (*.edf *.EDF)").toLocal8Bit().data(), MAX_PATHLEN);
if(!strcmp(opath, ""))
{
goto OUT_NORMAL;
}
get_directory_from_path(recent_savedir, opath, MAX_PATHLEN);
hdl = edfopen_file_writeonly(opath, EDFLIB_FILETYPE_EDFPLUS, chns);
if(hdl < 0)
{
strlcpy(str, "Can not create EDF file.", 512);
goto OUT_ERROR;
}
statusLabel->setText("Saving EDF file...");
datrecduration = (rec_len / 10LL) / datrecs;
// printf("rec_len: %lli datrecs: %i datrecduration: %lli\n", rec_len, datrecs, datrecduration);
if(datrecduration < 10000LL)
{
if(edf_set_micro_datarecord_duration(hdl, datrecduration))
{
snprintf(str, 512, "Can not set datarecord duration of EDF file: %lli", datrecduration);
printf("\ndebug line %i: rec_len: %lli datrecs: %i datrecduration: %lli\n", __LINE__, rec_len, datrecs, datrecduration);
goto OUT_ERROR;
}
}
else
{
if(edf_set_datarecord_duration(hdl, datrecduration / 10LL))
{
snprintf(str, 512, "Can not set datarecord duration of EDF file: %lli", datrecduration);
printf("\ndebug line %i: rec_len: %lli datrecs: %i datrecduration: %lli\n", __LINE__, rec_len, datrecs, datrecduration);
goto OUT_ERROR;
}
}
j = 0;
for(chn=0; chn<MAX_CHNS; chn++)
{
if(!d_parms->chandisplay[chn])
{
continue;
}
edf_set_samplefrequency(hdl, j, smps_per_record);
edf_set_digital_maximum(hdl, j, 32767);
edf_set_digital_minimum(hdl, j, -32768);
if(d_parms->chanscale[chn] > 2)
{
edf_set_physical_maximum(hdl, j, d_parms->yinc[chn] * 32767.0 / 32.0);
edf_set_physical_minimum(hdl, j, d_parms->yinc[chn] * -32768.0 / 32.0);
edf_set_physical_dimension(hdl, j, "V");
}
else
{
edf_set_physical_maximum(hdl, j, 1000.0 * d_parms->yinc[chn] * 32767.0 / 32.0);
edf_set_physical_minimum(hdl, j, 1000.0 * d_parms->yinc[chn] * -32768.0 / 32.0);
edf_set_physical_dimension(hdl, j, "mV");
}
snprintf(str, 512, "CHAN%i", chn + 1);
edf_set_label(hdl, j, str);
j++;
}
edf_set_equipment(hdl, d_parms->modelname);
// printf("datrecs: %i smps_per_record: %i\n", datrecs, smps_per_record);
sav_data_thrd.init_save_memory_edf_file(d_parms, hdl, datrecs, smps_per_record, d_parms->wavebuf);
wi_msg_box.setIcon(QMessageBox::NoIcon);
wi_msg_box.setText("Saving EDF file ...");
wi_msg_box.setStandardButtons(QMessageBox::Abort);
connect(&sav_data_thrd, SIGNAL(finished()), &wi_msg_box, SLOT(accept()));
sav_data_thrd.start();
ret_stat = wi_msg_box.exec();
if(ret_stat != QDialog::Accepted)
{
strlcpy(str, "Saving EDF file aborted.", 512);
goto OUT_ERROR;
}
if(sav_data_thrd.get_error_num())
{
sav_data_thrd.get_error_str(str, 512);
goto OUT_ERROR;
}
OUT_NORMAL:
disconnect(&sav_data_thrd, 0, 0, 0);
if(hdl >= 0)
{
edfclose_file(hdl);
}
if(!strcmp(opath, ""))
{
statusLabel->setText("Save file canceled.");
}
else
{
statusLabel->setText("Saved memory buffer to EDF file.");
}
return;
OUT_ERROR:
disconnect(&sav_data_thrd, 0, 0, 0);
statusLabel->setText("Saving file aborted.");
if(hdl >= 0)
{
edfclose_file(hdl);
}
wi_msg_box.setIcon(QMessageBox::Critical);
wi_msg_box.setText(str);
wi_msg_box.setStandardButtons(QMessageBox::Ok);
wi_msg_box.exec();
}
// tmc_write(":WAV:PRE?");
//
// n = tmc_read();
//
// if(n < 0)
// {
// strlcpy(str, "Can not read from device.");
// goto OUT_ERROR;
// }
// printf("waveform preamble: %s\n", device->buf);
// if(parse_preamble(device->buf, device->sz, &wfp, i))
// {
// strlcpy(str, "Preamble parsing error.");
// goto OUT_ERROR;
// }
// printf("waveform preamble:\n"
// "format: %i\n"
// "type: %i\n"
// "points: %i\n"
// "count: %i\n"
// "xincrement: %e\n"
// "xorigin: %e\n"
// "xreference: %e\n"
// "yincrement: %e\n"
// "yorigin: %e\n"
// "yreference: %e\n",
// wfp.format, wfp.type, wfp.points, wfp.count,
// wfp.xincrement[i], wfp.xorigin[i], wfp.xreference[i],
// wfp.yincrement[i], wfp.yorigin[i], wfp.yreference[i]);
// rec_len = wfp.xincrement[i] * wfp.points;
void UI_Mainwindow::save_screen_waveform()
{
int i, j,
n=0,
chn,
chns=0,
hdl=-1,
yref[MAX_CHNS];
char str[512],
opath[MAX_PATHLEN];
short *wavbuf[MAX_CHNS];
long long rec_len=0LL;
if(device == NULL)
{
return;
}
for(i=0; i<MAX_CHNS; i++)
{
wavbuf[i] = NULL;
}
save_data_thread get_data_thrd(0);
QMessageBox w_msg_box;
w_msg_box.setIcon(QMessageBox::NoIcon);
w_msg_box.setText("Downloading data...");
w_msg_box.setStandardButtons(QMessageBox::Abort);
scrn_timer->stop();
scrn_thread->wait();
if(devparms.timebasedelayenable)
{
rec_len = EDFLIB_TIME_DIMENSION * devparms.timebasedelayscale * devparms.hordivisions;
}
else
{
rec_len = EDFLIB_TIME_DIMENSION * devparms.timebasescale * devparms.hordivisions;
}
if(rec_len < 10LL)
{
strlcpy(str, "Can not save waveforms when timebase < 1uSec.", 512);
goto OUT_ERROR;
}
for(chn=0; chn<MAX_CHNS; chn++)
{
if(!devparms.chandisplay[chn]) // Download data only when channel is switched on
{
continue;
}
wavbuf[chn] = (short *)malloc(WAVFRM_MAX_BUFSZ * sizeof(short));
if(wavbuf[chn] == NULL)
{
strlcpy(str, "Malloc error.", 512);
goto OUT_ERROR;
}
chns++;
}
if(!chns)
{
strlcpy(str, "No active channels.", 512);
goto OUT_ERROR;
}
for(chn=0; chn<MAX_CHNS; chn++)
{
if(!devparms.chandisplay[chn]) // Download data only when channel is switched on
{
continue;
}
usleep(20000);
snprintf(str, 512, ":WAV:SOUR CHAN%i", chn + 1);
tmc_write(str);
usleep(20000);
tmc_write(":WAV:FORM BYTE");
usleep(20000);
tmc_write(":WAV:MODE NORM");
usleep(20000);
tmc_write(":WAV:YINC?");
usleep(20000);
tmc_read();
devparms.yinc[chn] = atof(device->buf);
if(devparms.yinc[chn] < 1e-6)
{
snprintf(str, 512, "Error, parameter \"YINC\" out of range: %e line %i file %s", devparms.yinc[chn], __LINE__, __FILE__);
goto OUT_ERROR;
}
usleep(20000);
tmc_write(":WAV:YREF?");
usleep(20000);
tmc_read();
yref[chn] = atoi(device->buf);
if((yref[chn] < 1) || (yref[chn] > 255))
{
snprintf(str, 512, "Error, parameter \"YREF\" out of range: %i line %i file %s", yref[chn], __LINE__, __FILE__);
goto OUT_ERROR;
}
usleep(20000);
tmc_write(":WAV:YOR?");
usleep(20000);
tmc_read();
devparms.yor[chn] = atoi(device->buf);
if((devparms.yor[chn] < -255) || (devparms.yor[chn] > 255))
{
snprintf(str, 512, "Error, parameter \"YOR\" out of range: %i line %i file %s", devparms.yor[chn], __LINE__, __FILE__);
goto OUT_ERROR;
}
usleep(20000);
tmc_write(":WAV:DATA?");
connect(&get_data_thrd, SIGNAL(finished()), &w_msg_box, SLOT(accept()));
get_data_thrd.start();
if(w_msg_box.exec() != QDialog::Accepted)
{
disconnect(&get_data_thrd, 0, 0, 0);
strlcpy(str, "Aborted by user.", 512);
goto OUT_ERROR;
}
disconnect(&get_data_thrd, 0, 0, 0);
n = get_data_thrd.get_num_bytes_rcvd();
if(n < 0)
{
strlcpy(str, "Can not read from device.", 512);
goto OUT_ERROR;
}
if(n > WAVFRM_MAX_BUFSZ)
{
snprintf(str, 512, "Datablock too big for buffer: %i", n);
goto OUT_ERROR;
}
if(n < 16)
{
strlcpy(str, "Not enough data in buffer.", 512);
goto OUT_ERROR;
}
for(i=0; i<n; i++)
{
wavbuf[chn][i] = ((int)(((unsigned char *)device->buf)[i]) - yref[chn] - devparms.yor[chn]) << 5;
}
}
opath[0] = 0;
if(recent_savedir[0]!=0)
{
strlcpy(opath, recent_savedir, MAX_PATHLEN);
strlcat(opath, "/", MAX_PATHLEN);
}
strlcat(opath, "waveform.edf", MAX_PATHLEN);
strlcpy(opath, QFileDialog::getSaveFileName(this, "Save file", opath, "EDF files (*.edf *.EDF)").toLocal8Bit().data(), MAX_PATHLEN);
if(!strcmp(opath, ""))
{
goto OUT_NORMAL;
}