def set_channels(self, channels):
''' Add buffer per channel '''
self.channels = channels
for i in range(min(self.channels, self.MAX_GRAPHS)):
self.graph_show_state[i] = True
self.Xstart[i] = 0
self.Ystart[i] = 0
self.Xend[i] = 1150
self.Yend[i] = 750
self.type[i] = 0
if i == 0:
self.color[i] = self.activity.stroke_color
elif i == 1:
self.color[i] = self.activity.fill_color
else:
self.color[i] = '#FFFFFF'
self.source[i] = 0
for i in range(self.channels):
self.ringbuffer.append(
RingBuffer1d(self.max_samples, dtype='int16'))
self.y_mag.append(3.0)
self.gain.append(1.0)
self.bias.append(0)
self.invert.append(False)
def set_max_samples(self, num):
""" Maximum no. of samples in ringbuffer """
if self.max_samples == num:
return
for i in range(self.channels):
new_buffer = RingBuffer1d(num, dtype='int16')
new_buffer.append(self.ringbuffer[i].read())
self.ringbuffer[i] = new_buffer
self.max_samples = num
return
def limpiar_canales(self):
for i in range(self.audiograb.channels):
self.wave.ringbuffer[i] = RingBuffer1d(self.wave.max_samples,
dtype='int16')
self.wave.new_buffer([0], i)
def __init__(self, msr, playsound, input_frequency=48000):
""" Initialize drawing area and scope parameter """
gtk.DrawingArea.__init__(self)
self.add_events(gtk.gdk.BUTTON_PRESS_MASK | \
gtk.gdk.PROPERTY_CHANGE_MASK)
self.activity = msr
self.soundplayer = playsound
self.vrg = 0
self.topCount = 0
self.inTop = -6
self.playingTop = 0
self.bottomCount = 0
self.inBottom = -6
self.playingBottom = 0
self._input_freq = input_frequency
self.triggering = self.TRIGGER_NONE
self.trigger_xpos = 0.0
self.trigger_ypos = 0.5
self.active = False
self._redraw_atom = gtk.gdk.atom_intern('MeasureRedraw')
self.buffers = array([])
self.main_buffers = array([])
self.str_buffer = ''
self.peaks = []
self.fftx = []
self._tick_size = 50
self.rms = ''
self.avg = ''
self.pp = ''
self.count = 0
self.invert = False
self.startbuffer = True
self.y_mag = 3.0 # additional scale factor for display
self.gain = 1.0
self.bias = 0 # vertical position fine-tuning from slider
self._freq_range = 4
self.draw_interval = 10
self.num_of_points = 115
self.details_iter = 50
self.c = 1180
self.m = 0.0238
self.k = 0.0238
self.c2 = 139240 # c squared
self.rms = 0
self.avg = 0
self.Rv = 0
# constant to multiply with self.param2 while scaling values
self.log_param1 = ""
self.log_param2 = ""
self.log_param3 = ""
self.log_param4 = ""
self.log_param5 = ""
self._BACKGROUND_LINE_THICKNESS = 0.8
self._TRIGGER_LINE_THICKNESS = 3
self._FOREGROUND_LINE_THICKNESS = 6
self.stop = False
self.fft_show = False
self.side_toolbar_copy = None
self.scaleX = str(1.04167 / self.draw_interval) + ' ms'
self.scaleY = ""
self._back_surf = None
self.expose_event_id = self.connect('expose_event', self._expose)
self.pr_time = 0
self.MAX_GRAPHS = MAX_GRAPHS # Maximum simultaneous graphs
self.graph_show_state = []
self.Xstart = []
self.Ystart = []
self.Xend = []
self.Yend = []
self.type = []
self.color = []
self.source = []
self.graph_id = []
for x in range(0, self.MAX_GRAPHS):
self.graph_show_state.append(False)
self.Xstart.append(0)
self.Ystart.append(50)
self.Xend.append(1000)
self.Yend.append(500)
self.type .append(0)
self.color.append('#FF0000')
self.source.append(0)
self.graph_id.append(x)
self.graph_show_state[0] = True
self.Xstart[0] = 0
self.Ystart[0] = 0
self.Xend[0] = 1150
self.Yend[0] = 750
self.type[0] = 0
self.color[0] = self.activity.stroke_color
self.source[0] = 0
"""
self.graph_show_state[1]=True
self.Xstart[0] = 0
self.Ystart[1] = 0
self.Xend[0] = 800
self.Yend[1] = 600
self.type[1] = 0
self.color[1] = [0,65535,65535]
self.source[1] = 0
self.graph_show_state[2]=True
self.Xstart[2] = 30
self.Ystart[2] = 0
self.Xend[2] = 300
self.Yend[2] = 300
self.type[2] = 0
self.color[2] = [0,65535,0]
self.source[2] = 0
self.graph_show_state[3]=True
self.Xstart[3] = 0
self.Ystart[3] = 300
self.Xend[3] = 1000
self.Yend[3] = 700
self.type[3] = 0
self.color[3] = [65535,65535,0]
self.source[3] = 0
"""
self.max_samples = 115
self.max_samples_fact = 3
self.time_div = 1.0
self.freq_div = 1.0
self.input_step = 1
self.ringbuffer = RingBuffer1d(self.max_samples, dtype='int16')
self.debug_str = 'start'
self.context = True