#!/usr/bin/env python # # Copyright 2003,2004,2005 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. # from gnuradio import gr, gru from gnuradio.wxgui import stdgui import wx import gnuradio.wxgui.plot as plot import Numeric import threading import math import ephem import time default_stripchartsink_size = (640,140) global_yvalues = [] class stripchart_sink_base(object): def __init__(self, input_is_real=False, y_per_div=10, ref_level=50, sample_rate=1, stripsize=4, title='',xlabel="X", ylabel="Y", divbase=0.025, parallel=False, scaling=1.0, autoscale=False): # initialize common attributes self.y_divs = 8 self.y_per_div=y_per_div self.ref_level = ref_level self.autoscale = autoscale self.sample_rate = sample_rate self.parallel = parallel self.title = title self.xlabel = xlabel self.ylabel = ylabel self.divbase = divbase self.scaling = scaling self.input_is_real = input_is_real self.msgq = gr.msg_queue(2) # queue that holds a maximum of 2 messages self.vector=Numeric.zeros(stripsize,Numeric.Float64) self.wcnt = 0 self.timecnt = 0 self.stripsize=stripsize def set_y_per_div(self, y_per_div): self.y_per_div = y_per_div def set_ref_level(self, ref_level): self.ref_level = ref_level def set_autoscale(self, auto): self.autoscale = auto class stripchart_sink_f(gr.hier_block, stripchart_sink_base): def __init__(self, fg, parent, y_per_div=10, ref_level=50, sample_rate=1, title='', stripsize=4, size=default_stripchartsink_size,xlabel="X", ylabel="Y", divbase=0.025, parallel=False, scaling=1.0, autoscale=False): stripchart_sink_base.__init__(self, input_is_real=True, y_per_div=y_per_div, ref_level=ref_level, sample_rate=sample_rate, stripsize=stripsize, xlabel=xlabel, ylabel=ylabel, divbase=divbase, title=title, parallel=parallel, scaling=scaling, autoscale=autoscale) if (parallel == True): one = gr.keep_one_in_n (gr.sizeof_float*stripsize, 1) sink = gr.message_sink(gr.sizeof_float*stripsize, self.msgq, True) else: one = gr.keep_one_in_n (gr.sizeof_float, 1) sink = gr.message_sink(gr.sizeof_float, self.msgq, True) fg.connect (one, sink) gr.hier_block.__init__(self, fg, one, sink) self.win = stripchart_window(self, parent, size=size) # ------------------------------------------------------------------------ myDATA_EVENT = wx.NewEventType() EVT_DATA_EVENT = wx.PyEventBinder (myDATA_EVENT, 0) class DataEvent(wx.PyEvent): def __init__(self, data): wx.PyEvent.__init__(self) self.SetEventType (myDATA_EVENT) self.data = data def Clone (self): self.__class__ (self.GetId()) class input_watcher (threading.Thread): def __init__ (self, msgq, evsize, event_receiver, **kwds): threading.Thread.__init__ (self, **kwds) self.setDaemon (1) self.msgq = msgq self.evsize = evsize self.event_receiver = event_receiver self.keep_running = True self.start () def run (self): while (self.keep_running): msg = self.msgq.delete_head() # blocking read of message queue itemsize = int(msg.arg1()) nitems = int(msg.arg2()) s = msg.to_string() # get the body of the msg as a string # There may be more than one frame in the message. # If so, we take only the last one if nitems > 1: start = itemsize * (nitems - 1) s = s[start:start+itemsize] complex_data = Numeric.fromstring (s, Numeric.Float32) de = DataEvent (complex_data) wx.PostEvent (self.event_receiver, de) del de class stripchart_window(plot.PlotCanvas): def __init__ (self, stripchartsink, parent, id = -1, pos = wx.DefaultPosition, size = wx.DefaultSize, style = wx.DEFAULT_FRAME_STYLE, name = ""): plot.PlotCanvas.__init__ (self, parent, id, pos, size, style, name) self.y_range = None self.stripchartsink = stripchartsink self.SetEnableGrid (True) # self.SetEnableZoom (True) # self.SetBackgroundColour ('black') self.build_popup_menu() EVT_DATA_EVENT (self, self.set_data) wx.EVT_CLOSE (self, self.on_close_window) self.Bind(wx.EVT_RIGHT_UP, self.on_right_click) self.input_watcher = input_watcher(stripchartsink.msgq, 1, self) def on_close_window (self, event): print "stripchart_window:on_close_window" self.keep_running = False def set_data (self, evt): indata = evt.data L = len (indata) calc_min = min(indata) calc_max = max(indata) d = calc_max - calc_min d = d * 0.1 if self.stripchartsink.autoscale == True and self.stripchartsink.parallel == True: self.y_range = self._axisInterval ('min', calc_min-d, calc_max+d) N = self.stripchartsink.stripsize if self.stripchartsink.parallel != True: for i in range(1,N): pooey = N-i self.stripchartsink.vector[pooey] = self.stripchartsink.vector[pooey-1] self.stripchartsink.vector[0] = indata else: self.stripchartsink.vector = indata if self.stripchartsink.parallel == True: avg = 0 for i in range(0,self.stripchartsink.stripsize): if self.stripchartsink.vector[i] > 0: avg += self.stripchartsink.vector[i] if self.stripchartsink.vector[i] < calc_min: calc_min = self.stripchartsink.vector[i] if self.stripchartsink.vector[i] > calc_max: calc_max = self.stripchartsink.vector[i] avg /= self.stripchartsink.stripsize markers = [] placedmarkers = 0 for i in range(0,self.stripchartsink.stripsize): if (self.stripchartsink.vector[i] > 0 and self.stripchartsink.vector[i] > (avg*5)): markers.append((i*self.stripchartsink.scaling, self.stripchartsink.vector[i])) placedmarkers += 1 points = Numeric.zeros((N,2), Numeric.Float64) for i in range(0,N): if self.stripchartsink.scaling == 1.0: points[i,0] = i else: points[i,0] = i * self.stripchartsink.scaling points[i,1] = self.stripchartsink.vector[i] if self.stripchartsink.parallel == True and placedmarkers > 1: for i in range(0,N): self.stripchartsink.vector[i] = 0 marks = plot.PolyMarker(markers, colour='BLACK', marker='triangle_down') lines = plot.PolyLine (points, colour='RED') # Temporary--I'm find the markers distracting placedmarkers = 0 xlab = self.stripchartsink.xlabel ylab = self.stripchartsink.ylabel if (self.stripchartsink.parallel == False) or (placedmarkers <= 1): graphics = plot.PlotGraphics ([lines], title=self.stripchartsink.title, xLabel = xlab, yLabel = ylab) else: graphics = plot.PlotGraphics ([lines,marks], title=self.stripchartsink.title, xLabel = xlab, yLabel = ylab) self.Draw (graphics, xAxis=None, yAxis=self.y_range) if self.stripchartsink.autoscale == False or self.stripchartsink.parallel == False: self.update_y_range () def update_y_range (self): ymax = self.stripchartsink.ref_level ymin = self.stripchartsink.ref_level - self.stripchartsink.y_per_div * self.stripchartsink.y_divs self.y_range = self._axisInterval ('min', ymin, ymax) def on_incr_ref_level(self, evt): # print "on_incr_ref_level" self.stripchartsink.set_ref_level(self.stripchartsink.ref_level + self.stripchartsink.y_per_div) def on_decr_ref_level(self, evt): # print "on_decr_ref_level" self.stripchartsink.set_ref_level(self.stripchartsink.ref_level - self.stripchartsink.y_per_div) def on_autoscale(self, evt): self.stripchartsink.set_autoscale(evt.IsChecked()) def on_incr_y_per_div(self, evt): divbase = self.stripchartsink.divbase x1 = 1 * divbase x2 = 2 * divbase x4 = 4 * divbase x10 = 10 * divbase x20 = 20 * divbase # print "on_incr_y_per_div" self.stripchartsink.set_y_per_div(next_up(self.stripchartsink.y_per_div, (x1,x2,x4,x10,x20))) def on_decr_y_per_div(self, evt): # print "on_decr_y_per_div" divbase = self.stripchartsink.divbase x1 = 1 * divbase x2 = 2 * divbase x4 = 4 * divbase x10 = 10 * divbase x20 = 20 * divbase self.stripchartsink.set_y_per_div(next_down(self.stripchartsink.y_per_div, (x1,x2,x4,x10,x20))) def on_y_per_div(self, evt): # print "on_y_per_div" divbase=self.stripchartsink.divbase Id = evt.GetId() if Id == self.id_y_per_div_1: self.stripchartsink.set_y_per_div(1*divbase) elif Id == self.id_y_per_div_2: self.stripchartsink.set_y_per_div(2*divbase) elif Id == self.id_y_per_div_5: self.stripchartsink.set_y_per_div(4*divbase) elif Id == self.id_y_per_div_10: self.stripchartsink.set_y_per_div(10*divbase) elif Id == self.id_y_per_div_20: self.stripchartsink.set_y_per_div(20*divbase) def on_right_click(self, event): menu = self.popup_menu for id, pred in self.checkmarks.items(): item = menu.FindItemById(id) item.Check(pred()) self.PopupMenu(menu, event.GetPosition()) def build_popup_menu(self): divbase=self.stripchartsink.divbase self.id_incr_ref_level = wx.NewId() self.id_decr_ref_level = wx.NewId() self.id_autoscale = wx.NewId() self.id_incr_y_per_div = wx.NewId() self.id_decr_y_per_div = wx.NewId() self.id_y_per_div_1 = wx.NewId() self.id_y_per_div_2 = wx.NewId() self.id_y_per_div_5 = wx.NewId() self.id_y_per_div_10 = wx.NewId() self.id_y_per_div_20 = wx.NewId() self.Bind(wx.EVT_MENU, self.on_incr_ref_level, id=self.id_incr_ref_level) self.Bind(wx.EVT_MENU, self.on_decr_ref_level, id=self.id_decr_ref_level) self.Bind(wx.EVT_MENU, self.on_autoscale, id=self.id_autoscale) self.Bind(wx.EVT_MENU, self.on_incr_y_per_div, id=self.id_incr_y_per_div) self.Bind(wx.EVT_MENU, self.on_decr_y_per_div, id=self.id_decr_y_per_div) self.Bind(wx.EVT_MENU, self.on_y_per_div, id=self.id_y_per_div_1) self.Bind(wx.EVT_MENU, self.on_y_per_div, id=self.id_y_per_div_2) self.Bind(wx.EVT_MENU, self.on_y_per_div, id=self.id_y_per_div_5) self.Bind(wx.EVT_MENU, self.on_y_per_div, id=self.id_y_per_div_10) self.Bind(wx.EVT_MENU, self.on_y_per_div, id=self.id_y_per_div_20) # make a menu menu = wx.Menu() self.popup_menu = menu menu.Append(self.id_incr_ref_level, "Incr Ref Level") menu.Append(self.id_decr_ref_level, "Decr Ref Level") menu.AppendSeparator() menu.AppendCheckItem(self.id_autoscale, "Auto Scale") # we'd use RadioItems for these, but they're not supported on Mac v = 1.0*divbase s = "%.3f" % v menu.AppendCheckItem(self.id_y_per_div_1, s) v = 2.0*divbase s = "%.3f" % v menu.AppendCheckItem(self.id_y_per_div_2, s) v = 4.0*divbase s = "%.3f" % v menu.AppendCheckItem(self.id_y_per_div_5, s) v = 10*divbase s = "%.3f" % v menu.AppendCheckItem(self.id_y_per_div_10, s) v = 20*divbase s = "%.3f" % v menu.AppendCheckItem(self.id_y_per_div_20, s) self.checkmarks = { self.id_autoscale : lambda : self.stripchartsink.autoscale, self.id_y_per_div_1 : lambda : self.stripchartsink.y_per_div == 1*divbase, self.id_y_per_div_2 : lambda : self.stripchartsink.y_per_div == 2*divbase, self.id_y_per_div_5 : lambda : self.stripchartsink.y_per_div == 4*divbase, self.id_y_per_div_10 : lambda : self.stripchartsink.y_per_div == 10*divbase, self.id_y_per_div_20 : lambda : self.stripchartsink.y_per_div == 20*divbase, } def next_up(v, seq): """ Return the first item in seq that is > v. """ for s in seq: if s > v: return s return v def next_down(v, seq): """ Return the last item in seq that is < v. """ rseq = list(seq[:]) rseq.reverse() for s in rseq: if s < v: return s return v