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#
# Copyright 2008 Free Software Foundation, Inc.
#
# This file is part of GNU Radio
#
# GNU Radio is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3, or (at your option)
# any later version.
#
# GNU Radio is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with GNU Radio; see the file COPYING. If not, write to
# the Free Software Foundation, Inc., 51 Franklin Street,
# Boston, MA 02110-1301, USA.
#
##################################################
# Imports
##################################################
import scope_window
import common
from gnuradio import gr
from pubsub import pubsub
from constants import *
##################################################
# Scope sink block (wrapper for old wxgui)
##################################################
class _scope_sink_base(gr.hier_block2, common.prop_setter):
"""!
A scope block with a gui window.
"""
def __init__(
self,
parent,
title='',
sample_rate=1,
size=scope_window.DEFAULT_WIN_SIZE,
frame_decim=None, #ignore (old wrapper)
v_scale=scope_window.DEFAULT_V_SCALE,
t_scale=None,
num_inputs=1,
ac_couple=False,
xy_mode=False,
frame_rate=scope_window.DEFAULT_FRAME_RATE,
):
if t_scale is None: t_scale = 0.001
#init
gr.hier_block2.__init__(
self,
"scope_sink",
gr.io_signature(num_inputs, num_inputs, self._item_size),
gr.io_signature(0, 0, 0),
)
#scope
msgq = gr.msg_queue(2)
scope = gr.oscope_sink_f(sample_rate, msgq)
#connect
if self._real:
for i in range(num_inputs):
self.connect((self, i), (scope, i))
else:
for i in range(num_inputs):
c2f = gr.complex_to_float()
self.connect((self, i), c2f)
self.connect((c2f, 0), (scope, 2*i+0))
self.connect((c2f, 1), (scope, 2*i+1))
num_inputs *= 2
#controller
self.controller = pubsub()
self.controller.subscribe(SAMPLE_RATE_KEY, scope.set_sample_rate)
self.controller.publish(SAMPLE_RATE_KEY, scope.sample_rate)
def set_trigger_level(level):
if level == '': scope.set_trigger_level_auto()
else: scope.set_trigger_level(level)
self.controller.subscribe(SCOPE_TRIGGER_LEVEL_KEY, set_trigger_level)
def set_trigger_mode(mode):
if mode == 0: mode = gr.gr_TRIG_AUTO
elif mode < 0: mode = gr.gr_TRIG_NEG_SLOPE
elif mode > 0: mode = gr.gr_TRIG_POS_SLOPE
else: return
scope.set_trigger_mode(mode)
self.controller.subscribe(SCOPE_TRIGGER_MODE_KEY, set_trigger_mode)
self.controller.subscribe(SCOPE_TRIGGER_CHANNEL_KEY, scope.set_trigger_channel)
#start input watcher
def setter(p, k, x): # lambdas can't have assignments :(
p[k] = x
common.input_watcher(msgq, lambda x: setter(self.controller, MSG_KEY, x))
#create window
self.win = scope_window.scope_window(
parent=parent,
controller=self.controller,
size=size,
title=title,
frame_rate=frame_rate,
num_inputs=num_inputs,
sample_rate_key=SAMPLE_RATE_KEY,
t_scale=t_scale,
v_scale=v_scale,
ac_couple=ac_couple,
xy_mode=xy_mode,
scope_trigger_level_key=SCOPE_TRIGGER_LEVEL_KEY,
scope_trigger_mode_key=SCOPE_TRIGGER_MODE_KEY,
scope_trigger_channel_key=SCOPE_TRIGGER_CHANNEL_KEY,
msg_key=MSG_KEY,
)
#register callbacks from window for external use
for attr in filter(lambda a: a.startswith('set_'), dir(self.win)):
setattr(self, attr, getattr(self.win, attr))
self._register_set_prop(self.controller, SAMPLE_RATE_KEY)
#backwards compadibility
self.win.set_format_line = lambda: setter(self.win, MARKER_KEY, None)
self.win.set_format_dot = lambda: setter(self.win, MARKER_KEY, 2.0)
self.win.set_format_plus = lambda: setter(self.win, MARKER_KEY, 3.0)
class scope_sink_f(_scope_sink_base):
_item_size = gr.sizeof_float
_real = True
class scope_sink_c(_scope_sink_base):
_item_size = gr.sizeof_gr_complex
_real = False
#backwards compadible wrapper (maybe only grc uses this)
class constellation_sink(scope_sink_c):
def __init__(self, *args, **kwargs):
scope_sink_c.__init__(self, *args, **kwargs)
self.set_scope_xy_mode(True)
# ----------------------------------------------------------------
# Stand-alone test application
# ----------------------------------------------------------------
import wx
from gnuradio.wxgui import stdgui2
class test_top_block (stdgui2.std_top_block):
def __init__(self, frame, panel, vbox, argv):
stdgui2.std_top_block.__init__ (self, frame, panel, vbox, argv)
if len(argv) > 1:
frame_decim = int(argv[1])
else:
frame_decim = 1
if len(argv) > 2:
v_scale = float(argv[2]) # start up at this v_scale value
else:
v_scale = None # start up in autorange mode, default
if len(argv) > 3:
t_scale = float(argv[3]) # start up at this t_scale value
else:
t_scale = .00003 # old behavior
print "frame decim %s v_scale %s t_scale %s" % (frame_decim,v_scale,t_scale)
input_rate = 1e6
# Generate a complex sinusoid
self.src0 = gr.sig_source_c (input_rate, gr.GR_SIN_WAVE, 25.1e3, 1e3)
# We add this throttle block so that this demo doesn't suck down
# all the CPU available. You normally wouldn't use it...
self.thr = gr.throttle(gr.sizeof_gr_complex, input_rate)
scope = scope_sink_c (panel,"Secret Data",sample_rate=input_rate,
frame_decim=frame_decim,
v_scale=v_scale, t_scale=t_scale)
vbox.Add (scope.win, 1, wx.EXPAND)
# Ultimately this will be
# self.connect("src0 throttle scope")
self.connect(self.src0, self.thr, scope)
def main ():
app = stdgui2.stdapp (test_top_block, "O'Scope Test App")
app.MainLoop ()
if __name__ == '__main__':
main ()
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