/* -*- c++ -*- */
/*
- * Copyright 2008,2009 Free Software Foundation, Inc.
+ * Copyright 2008,2009,2010 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
qtgui_sink_f_sptr
qtgui_make_sink_f (int fftsize, int wintype,
- float fmin, float fmax,
+ double fc, double bw,
const std::string &name,
bool plotfreq, bool plotwaterfall,
bool plotwaterfall3d, bool plottime,
bool plotconst,
+ bool use_openGL,
QWidget *parent)
{
- return qtgui_sink_f_sptr (new qtgui_sink_f (fftsize, wintype,
- fmin, fmax, name,
+ return gnuradio::get_initial_sptr(new qtgui_sink_f (fftsize, wintype,
+ fc, bw, name,
plotfreq, plotwaterfall,
plotwaterfall3d, plottime,
plotconst,
+ use_openGL,
parent));
}
qtgui_sink_f::qtgui_sink_f (int fftsize, int wintype,
- float fmin, float fmax,
+ double fc, double bw,
const std::string &name,
bool plotfreq, bool plotwaterfall,
bool plotwaterfall3d, bool plottime,
bool plotconst,
+ bool use_openGL,
QWidget *parent)
: gr_block ("sink_f",
gr_make_io_signature (1, 1, sizeof(float)),
gr_make_io_signature (0, 0, 0)),
d_fftsize(fftsize),
d_wintype((gr_firdes::win_type)(wintype)),
- d_fmin(fmin), d_fmax(fmax), d_name(name),
+ d_center_freq(fc), d_bandwidth(bw), d_name(name),
d_plotfreq(plotfreq), d_plotwaterfall(plotwaterfall),
- d_plotwaterfall3d(plotwaterfall3d), d_plottime(plottime),
- d_plotconst(plotconst),
+ d_plottime(plottime), d_plotconst(plotconst),
d_parent(parent)
{
+ if(plotwaterfall3d == true) {
+ fprintf(stderr, "Warning: plotting Waterfall3D has been removed; enabling plotwaterfall3d has no effect.\n");
+ }
+
d_main_gui = NULL;
pthread_mutex_init(&d_pmutex, NULL);
lock();
d_fft = new gri_fft_complex (d_fftsize, true);
- d_fftdata = new gr_complex[d_fftsize];
-
d_index = 0;
d_residbuf = new float[d_fftsize];
buildwindow();
- initialize();
+ initialize(use_openGL);
}
qtgui_sink_f::~qtgui_sink_f()
{
- delete d_object;
- delete [] d_fftdata;
+ delete d_main_gui;
delete [] d_residbuf;
delete d_fft;
}
+void
+qtgui_sink_f::forecast(int noutput_items, gr_vector_int &ninput_items_required)
+{
+ unsigned int ninputs = ninput_items_required.size();
+ for (unsigned int i = 0; i < ninputs; i++) {
+ ninput_items_required[i] = std::min(d_fftsize, 8191);
+ }
+}
+
void qtgui_sink_f::lock()
{
pthread_mutex_lock(&d_pmutex);
}
void
-qtgui_sink_f::initialize()
+qtgui_sink_f::initialize(const bool opengl)
{
if(qApp != NULL) {
d_qApplication = qApp;
uint64_t maxBufferSize = 32768;
d_main_gui = new SpectrumGUIClass(maxBufferSize, d_fftsize,
- d_fmin, d_fmax);
+ d_center_freq,
+ -d_bandwidth/2.0,
+ d_bandwidth/2.0);
d_main_gui->SetDisplayTitle(d_name);
d_main_gui->SetFFTSize(d_fftsize);
d_main_gui->SetWindowType((int)d_wintype);
d_main_gui->OpenSpectrumWindow(d_parent,
d_plotfreq, d_plotwaterfall,
- d_plotwaterfall3d, d_plottime,
- d_plotconst);
+ d_plottime, d_plotconst,
+ opengl);
+
+ // initialize update time to 10 times a second
+ set_update_time(0.1);
d_object = new qtgui_obj(d_qApplication);
qApp->postEvent(d_object, new qtgui_event(&d_pmutex));
void
qtgui_sink_f::set_frequency_range(const double centerfreq,
- const double startfreq,
- const double stopfreq)
+ const double bandwidth)
{
- d_main_gui->SetFrequencyRange(centerfreq, startfreq, stopfreq);
+ d_center_freq = centerfreq;
+ d_bandwidth = bandwidth;
+ d_main_gui->SetFrequencyRange(d_center_freq,
+ -d_bandwidth/2.0,
+ d_bandwidth/2.0);
}
void
d_main_gui->SetConstellationAxis(xmin, xmax, ymin, ymax);
}
+void
+qtgui_sink_f::set_constellation_pen_size(int size)
+{
+ d_main_gui->SetConstellationPenSize(size);
+}
+
+
+void
+qtgui_sink_f::set_frequency_axis(double min, double max)
+{
+ d_main_gui->SetFrequencyAxis(min, max);
+}
+
void
-qtgui_sink_f::fft(const float *data_in, int size, gr_complex *data_out)
+qtgui_sink_f::set_update_time(double t)
+{
+ d_update_time = t;
+ d_main_gui->SetUpdateTime(d_update_time);
+}
+
+void
+qtgui_sink_f::fft(const float *data_in, int size)
{
if (d_window.size()) {
gr_complex *dst = d_fft->get_inbuf();
}
d_fft->execute (); // compute the fft
-
- for(int i=0; i < size; i++) {
- d_fft->get_outbuf()[i] /= size;
- }
-
- // copy result to our output
- if(d_shift) { // apply a fft shift on the data
- unsigned int len = (unsigned int)(ceil(size/2.0));
- memcpy(&data_out[0], &d_fft->get_outbuf()[len], sizeof(gr_complex)*(size - len));
- memcpy(&data_out[size - len], &d_fft->get_outbuf()[0], sizeof(gr_complex)*len);
- }
- else {
- memcpy(data_out, d_fft->get_outbuf(), sizeof(gr_complex)*size);
- }
}
void
if(newfftsize != d_fftsize) {
- // Resize the fftdata buffer; no need to preserve old data
- delete [] d_fftdata;
- d_fftdata = new gr_complex[newfftsize];
-
// Resize residbuf and replace data
delete [] d_residbuf;
d_residbuf = new float[newfftsize];
gr_vector_const_void_star &input_items,
gr_vector_void_star &output_items)
{
- int i=0, j=0;
+ int j=0;
const float *in = (const float*)input_items[0];
pthread_mutex_lock(&d_pmutex);
- if(d_index) {
- int filler = std::min(d_fftsize - d_index, noutput_items);
- memcpy(&d_residbuf[d_index], &in[0], sizeof(float)*filler);
- d_index += filler;
- i = filler;
- j = filler;
- }
+ // Update the FFT size from the application
+ fftresize();
+ windowreset();
- if(d_index == d_fftsize) {
- d_index = 0;
- fft(d_residbuf, d_fftsize, d_fftdata);
-
- d_main_gui->UpdateWindow(true, d_fftdata, d_fftsize,
- d_residbuf, d_fftsize, NULL, 0,
- 1.0/4.0, convert_to_timespec(0.0), true);
- }
-
- for(; i < noutput_items; i+=d_fftsize) {
- if(noutput_items - i > d_fftsize) {
- j += d_fftsize;
- fft(&in[i], d_fftsize, d_fftdata);
+ for(int i=0; i < noutput_items; i+=d_fftsize) {
+ unsigned int datasize = noutput_items - i;
+ unsigned int resid = d_fftsize-d_index;
+
+ // If we have enough input for one full FFT, do it
+ if(datasize >= resid) {
+ const timespec currentTime = get_highres_clock();
- d_main_gui->UpdateWindow(true, d_fftdata, d_fftsize, &in[i],
- d_fftsize, NULL, 0, 1.0/4.0,
- convert_to_timespec(0.0), true);
- }
- }
+ // Fill up residbuf with d_fftsize number of items
+ memcpy(d_residbuf+d_index, &in[j], sizeof(float)*resid);
+ d_index = 0;
- if(noutput_items > j) {
- d_index = noutput_items - j;
- memcpy(d_residbuf, &in[j], sizeof(float)*d_index);
+ j += resid;
+ fft(d_residbuf, d_fftsize);
+
+ d_main_gui->UpdateWindow(true, d_fft->get_outbuf(), d_fftsize,
+ (float*)d_residbuf, d_fftsize, NULL, 0,
+ currentTime, true);
+ }
+ // Otherwise, copy what we received into the residbuf for next time
+ else {
+ memcpy(d_residbuf+d_index, &in[j], sizeof(float)*datasize);
+ d_index += datasize;
+ j += datasize;
+ }
}
pthread_mutex_unlock(&d_pmutex);
- consume_each(noutput_items);
- return noutput_items;
+ consume_each(j);
+ return j;
}
projects / debian / gnuradio / blobdiff