FGFS-4.1/gr-air-modes
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Add getters/setters in preamble/slicer, bring them out to radio.py via pubsub.

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Nick Foster
2013-06-05 15:56:09 -04:00
parent 2ace332b89
commit f62813f039
9 changed files with 145 additions and 44 deletions
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26
python/rx_path.py
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@@ -40,12 +40,12 @@ class rx_path(gr.hier_block2):
# Pulse matched filter for 0.5us pulses
if use_pmf:
self._pmf = gr.moving_average_ff(self._spc, 1.0/self._spc, self._rate)
self._pmf = gr.moving_average_ff(self._spc, 1.0/self._spc)#, self._rate)
self.connect(self._demod, self._pmf)
self._bb = self._pmf
# Establish baseline amplitude (noise, interference)
self._avg = gr.moving_average_ff(48*self._spc, 1.0/(48*self._spc), self._rate) # 3 preambles
self._avg = gr.moving_average_ff(48*self._spc, 1.0/(48*self._spc))#, self._rate) # 3 preambles
# Synchronize to Mode-S preamble
self._sync = air_modes_swig.modes_preamble(self._rate, self._threshold)
@@ -58,3 +58,25 @@ class rx_path(gr.hier_block2):
self.connect(self._bb, (self._sync, 0))
self.connect(self._bb, self._avg, (self._sync, 1))
self.connect(self._sync, self._slicer)
def set_rate(self, rate):
self._sync.set_rate(rate)
self._slicer.set_rate(rate)
self._spc = int(rate/2e6)
self._avg.set_length_and_scale(48*self._spc, 1.0/(48*self._spc))
if self._bb != self._demod:
self._pmf.set_length_and_scale(self._spc, 1.0/self._spc)
def set_threshold(self, threshold):
self._sync.set_threshold(threshold)
def set_pmf(self, pmf):
#TODO must be done when top block is stopped
pass
def get_pmf(self, pmf):
return not (self._bb == self._demod)
def get_threshold(self, threshold):
return self._sync.get_threshold()