diff options
Diffstat (limited to 'gr-qtgui/examples/pyqt_waterfall_f.py')
| -rwxr-xr-x | gr-qtgui/examples/pyqt_waterfall_f.py | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/gr-qtgui/examples/pyqt_waterfall_f.py b/gr-qtgui/examples/pyqt_waterfall_f.py index 29ae259e5f..ff79924843 100755 --- a/gr-qtgui/examples/pyqt_waterfall_f.py +++ b/gr-qtgui/examples/pyqt_waterfall_f.py @@ -28,7 +28,13 @@ try: from PyQt4 import QtGui, QtCore import sip except ImportError: - print "Error: Program requires PyQt4 and gr-qtgui." + sys.stderr.write("Error: Program requires PyQt4 and gr-qtgui.\n") + sys.exit(1) + +try: + from gnuradio import analog +except ImportError: + sys.stderr.write("Error: Program requires gr-analog.\n") sys.exit(1) class dialog_box(QtGui.QWidget): @@ -139,11 +145,11 @@ class my_top_block(gr.top_block): self.qapp = QtGui.QApplication(sys.argv) - src1 = gr.sig_source_f(Rs, gr.GR_SIN_WAVE, f1, 0.1, 0) - src2 = gr.sig_source_f(Rs, gr.GR_SIN_WAVE, f2, 0.1, 0) + src1 = analog.sig_source_f(Rs, analog.GR_SIN_WAVE, f1, 0.1, 0) + src2 = analog.sig_source_f(Rs, analog.GR_SIN_WAVE, f2, 0.1, 0) src = gr.add_ff() thr = gr.throttle(gr.sizeof_float, 100*npts) - self.snk1 = qtgui.waterfall_sink_f(npts, gr.firdes.WIN_BLACKMAN_hARRIS, + self.snk1 = qtgui.waterfall_sink_f(npts, filter.firdes.WIN_BLACKMAN_hARRIS, 0, Rs, "Real Waterfall Example") |