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#!/usr/bin/env python
# -*- coding: utf-8 -*-
import wx
from gnuradio.gr.pubsub import pubsub
from gnuradio.wxgui import forms
GAIN_KEY = lambda x: 'gain:'+x
class wx_gain_panel(forms.static_box_sizer, pubsub):
def __init__(self, parent, cobj, chan=0):
# Super init
pubsub.__init__(self)
forms.static_box_sizer.__init__(self,
parent = parent,
label = "Gain Settings",
orient = wx.VERTICAL,
bold = True,
)
# Save params
self.parent = parent
self.cobj = cobj
self.chan = 0
# Init gui
self._init_gui()
def _init_gui(self):
# Top spacer
self.AddSpacer(3);
# Space each gain
for g_name in self.cobj.get_gain_names(self.chan):
# Get range
g_range = self.cobj.get_gain_range(g_name, self.chan)
# Skip invalid/non-configurable ones
if g_range.stop() <= g_range.start():
continue
# Current value
self[GAIN_KEY(g_name)] = self.cobj.get_gain(g_name, self.chan)
# Subscribe
self.subscribe(
GAIN_KEY(g_name),
lambda gain,name=g_name,self=self: self.set_named_gain(name, gain)
)
# Create UI
g_hbox = wx.BoxSizer(wx.HORIZONTAL)
self.Add(g_hbox, 0, wx.EXPAND)
self.AddSpacer(3)
g_hbox.AddSpacer(3)
forms.text_box(
parent = self.parent,
sizer = g_hbox,
proportion = 0,
converter = forms.float_converter(),
ps = self,
key = GAIN_KEY(g_name),
label = g_name + " Gain (dB)",
)
g_hbox.AddSpacer(3)
forms.slider(
parent = self.parent,
sizer = g_hbox,
proportion = 1,
ps = self,
key = GAIN_KEY(g_name),
minimum = g_range.start(),
maximum = g_range.stop(),
step_size = g_range.step() or (g_range.stop() - g_range.start()) / 10.0,
)
g_hbox.AddSpacer(3)
def set_named_gain(self, name, gain):
if gain is None:
g_range = self.cobj.get_gain_range(name, self.chan)
self[GAIN_KEY(name)] = (g_range.start() + g_range.stop()) / 2.0
else:
cur_gain = self.cobj.get_gain(name, self.chan)
if cur_gain != gain:
print "%s %f %f" % (name, cur_gain, gain)
self[GAIN_KEY(name)] = self.cobj.set_gain(gain, name, self.chan)
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