diff options
Diffstat (limited to 'gr-qtgui/examples/pyqt_waterfall_c.py')
| -rwxr-xr-x | gr-qtgui/examples/pyqt_waterfall_c.py | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/gr-qtgui/examples/pyqt_waterfall_c.py b/gr-qtgui/examples/pyqt_waterfall_c.py index 3b65c5eb5c..eb7e731dfd 100755 --- a/gr-qtgui/examples/pyqt_waterfall_c.py +++ b/gr-qtgui/examples/pyqt_waterfall_c.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): @@ -143,12 +149,12 @@ class my_top_block(gr.top_block): ss.close() self.qapp.setStyleSheet(sstext) - src1 = gr.sig_source_c(Rs, gr.GR_SIN_WAVE, f1, 0.1, 0) - src2 = gr.sig_source_c(Rs, gr.GR_SIN_WAVE, f2, 0.1, 0) + src1 = analog.sig_source_c(Rs, analog.GR_SIN_WAVE, f1, 0.1, 0) + src2 = analog.sig_source_c(Rs, analog.GR_SIN_WAVE, f2, 0.1, 0) src = gr.add_cc() channel = filter.channel_model(0.01) thr = gr.throttle(gr.sizeof_gr_complex, 100*npts) - self.snk1 = qtgui.waterfall_sink_c(npts, gr.firdes.WIN_BLACKMAN_hARRIS, + self.snk1 = qtgui.waterfall_sink_c(npts, filter.firdes.WIN_BLACKMAN_hARRIS, 0, Rs, "Complex Waterfall Example") |