diff options
Diffstat (limited to 'gr-gpio/src/python/gpio_usrp_siggen.py')
| -rwxr-xr-x | gr-gpio/src/python/gpio_usrp_siggen.py | 39 |
1 files changed, 19 insertions, 20 deletions
diff --git a/gr-gpio/src/python/gpio_usrp_siggen.py b/gr-gpio/src/python/gpio_usrp_siggen.py index 0a0ea685b0..0e483c35db 100755 --- a/gr-gpio/src/python/gpio_usrp_siggen.py +++ b/gr-gpio/src/python/gpio_usrp_siggen.py @@ -90,26 +90,25 @@ class my_top_block(gr.top_block): # self.file_sink = gr.file_sink (gr.sizeof_gr_complex, "siggen.dat") def _configure_graph (self, type): - was_running = self.is_running () - if was_running: - self.stop () - self.disconnect_all () - if type == gr.GR_SIN_WAVE: - self.connect (self.siggen, self.u) - # self.connect (self.siggen, self.file_sink) - self.siggen.set_waveform (type) - self.src = self.siggen - elif type == gr.GR_UNIFORM or type == gr.GR_GAUSSIAN: - self.connect (self.noisegen, self.u) - self.noisegen.set_type (type) - self.src = self.noisegen - elif type == gr.GR_CONST_WAVE: - self.connect (self.vecgen, self.u) - self.src = self.vecgen - else: - raise ValueError, type - if was_running: - self.start () + try: + self.lock() + self.disconnect_all () + if type == gr.GR_SIN_WAVE: + self.connect (self.siggen, self.u) + # self.connect (self.siggen, self.file_sink) + self.siggen.set_waveform (type) + self.src = self.siggen + elif type == gr.GR_UNIFORM or type == gr.GR_GAUSSIAN: + self.connect (self.noisegen, self.u) + self.noisegen.set_type (type) + self.src = self.noisegen + elif type == gr.GR_CONST_WAVE: + self.connect (self.vecgen, self.u) + self.src = self.vecgen + else: + raise ValueError, type + finally: + self.unlock() def set_freq(self, target_freq): """ |