forked from sugarlabs/Measure
/
sensor_toolbar.py
481 lines (416 loc) · 18.6 KB
/
sensor_toolbar.py
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# -*- coding: utf-8 -*-
#! /usr/bin/python
#
# Author: Arjun Sarwal arjun@laptop.org
# Copyright (C) 2007, Arjun Sarwal
# Copyright (C) 2009-13 Walter Bender
# Copyright (C) 2009, Benjamin Berg, Sebastian Berg
#
# This program 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 2 of the License, or
# (at your option) any later version.
#
# You should have received a copy of the GNU General Public License
# along with this library; if not, write to the Free Software
# Foundation, 51 Franklin Street, Suite 500 Boston, MA 02110-1335 USA
import gtk
import gobject
import os
from gettext import gettext as _
from gettext import ngettext
from config import ICONS_DIR, CAPTURE_GAIN, MIC_BOOST, XO1, XO15, XO175, XO4
from sugar.graphics.toolbutton import ToolButton
from sugar.graphics.menuitem import MenuItem
from sugar.graphics.radiotoolbutton import RadioToolButton
import logging
log = logging.getLogger('measure-activity')
log.setLevel(logging.DEBUG)
LOG_TIMER_VALUES = [1, 10, 300, 3000, 18000] # In 10th second intervals
LOG_TIMER_LABELS = {1: _('1/10 second'), 10: _('1 second'),
300: _('30 seconds'), 3000: _('5 minutes'),
30000: _('30 minutes')}
def _is_xo(hw):
''' Return True if this is xo hardware '''
return hw in [XO1, XO15, XO175, XO4]
class SensorToolbar(gtk.Toolbar):
''' The toolbar for specifiying the sensor: sound, resitance, or
voltage '''
LOWER = 0.0
UPPER = 1.0
STR_DC_R = \
_("Resistive sensor (connect sensor to pink 'Mic In' on left side \
of XO)") + ' '
STR_DC_V = \
_("Voltage sensor (connect sensor to pink 'Mic In' on left side \
of XO)") + ' '
STR_AC = _('Sound') + ' '
STR_RESISTANCE = _('Resistance') + ' (' + _('Ohms') + ') '
STR_VOLTAGE = _('Voltage') + ' (' + _('Volts') + ') '
STR_TIME = _('Time Base') + ' '
STR_FREQUENCY = _('Frequency Base') + ' '
STR_INVERT = ' ' + _('Invert') + ' '
STR_XAXIS_TEXT = _('X Axis Scale: 1 division = %(division)s %(unit)s')
# TRANSLATORS: This is milli seconds.
MS = _('ms')
# TRANSLATORS: This is Hertz, so 1/second.
HZ = _('Hz')
def __init__(self, activity, channels):
''' By default, start with resistance mode '''
gtk.Toolbar.__init__(self)
self.activity = activity
self._channels = channels
self._lock_radio_buttons = False
self._radio_button_pushed = False
self.values = []
for i in range(self._channels):
self.values.append('')
self.string_for_textbox = ''
self.gain = 1.0
self.y_mag = 3.0
self.capture_gain = CAPTURE_GAIN
self.mic_boost = MIC_BOOST
self.mode = 'sound'
# Set up Time-domain Button
self.time = RadioToolButton(group=None)
self.time.set_named_icon('media-audio')
self.insert(self.time, -1)
self.time.set_tooltip(_('Sound'))
self.time.connect(
'clicked', self.analog_resistance_voltage_mode_cb, 'sound')
# Set up Resistance Button
self.resistance = RadioToolButton(group=self.time)
self.resistance.set_named_icon('resistance')
if _is_xo(self.activity.hw):
self.insert(self.resistance, -1)
self.resistance.show()
self.resistance.set_tooltip(_('Resistance Sensor'))
self.resistance.connect('clicked',
self.analog_resistance_voltage_mode_cb,
'resistance')
# Set up Voltage Button
self.voltage = RadioToolButton(group=self.time)
self.voltage.set_named_icon('voltage')
if _is_xo(self.activity.hw):
self.insert(self.voltage, -1)
self.voltage.set_tooltip(_('Voltage Sensor'))
self.voltage.connect('clicked',
self.analog_resistance_voltage_mode_cb,
'voltage')
separator = gtk.SeparatorToolItem()
separator.props.draw = True
self.insert(separator, -1)
self._log_value = LOG_TIMER_VALUES[1]
self.log_label = gtk.Label(self._log_to_string(self._log_value))
toolitem = gtk.ToolItem()
toolitem.add(self.log_label)
self.insert(toolitem, -1)
self._log_button = ToolButton('timer-10')
self._log_button.set_tooltip(_('Select logging interval'))
self._log_button.connect('clicked', self._log_selection_cb)
self.insert(self._log_button, -1)
self._setup_log_palette()
# Set up Logging/Stop Logging Button
self._record = ToolButton('media-record')
self.insert(self._record, -1)
self._record.set_tooltip(_('Start logging'))
self._record.connect('clicked', self.record_control_cb)
separator = gtk.SeparatorToolItem()
separator.props.draw = True
self.insert(separator, -1)
toolitem = gtk.ToolItem()
self.trigger_label = gtk.Label(_('Trigger'))
toolitem.add(self.trigger_label)
self.insert(toolitem, -1)
# Set up Trigger Combo box
self.trigger_none = RadioToolButton()
self.trigger_none.set_named_icon('trigger-none')
self.insert(self.trigger_none, -1)
self.trigger_none.set_tooltip(_('None'))
self.trigger_none.connect('clicked',
self.update_trigger_control_cb,
self.activity.wave.TRIGGER_NONE)
self.trigger_rise = RadioToolButton(group=self.trigger_none)
self.trigger_rise.set_named_icon('trigger-rise')
self.insert(self.trigger_rise, -1)
self.trigger_rise.set_tooltip(_('Rising Edge'))
self.trigger_rise.connect('clicked',
self.update_trigger_control_cb,
self.activity.wave.TRIGGER_POS)
self.trigger_fall = RadioToolButton(group=self.trigger_none)
self.trigger_fall.set_named_icon('trigger-fall')
self.insert(self.trigger_fall, -1)
self.trigger_fall.set_tooltip(_('Falling Edge'))
self.trigger_fall.connect('clicked',
self.update_trigger_control_cb,
self.activity.wave.TRIGGER_NEG)
self.show_all()
def get_log(self):
return self._log_value
def get_log_idx(self):
if self._log_value in LOG_TIMER_VALUES:
return LOG_TIMER_VALUES.index(self._log_value)
else:
return LOG_TIMER_VALUES[0]
def set_log_idx(self, idx):
self._log_value = LOG_TIMER_VALUES[idx]
self.log_label.set_text(self._log_to_string(self._log_value))
if hasattr(self, '_log_button'):
self._log_button.set_icon('timer-%d' % (self._log_value))
def _log_selection_cb(self, widget):
if self._log_palette:
if not self._log_palette.is_up():
self._log_palette.popup(immediate=True,
state=self._log_palette.SECONDARY)
else:
self._log_palette.popdown(immediate=True)
return
def _log_to_seconds(self, tenth_seconds):
return tenth_seconds / 10.
def _log_to_string(self, tenth_seconds):
if tenth_seconds in LOG_TIMER_LABELS:
return LOG_TIMER_LABELS[tenth_seconds]
else:
return _('1 second')
def _setup_log_palette(self):
self._log_palette = self._log_button.get_palette()
for tenth_seconds in LOG_TIMER_VALUES:
text = self._log_to_string(tenth_seconds)
menu_item = MenuItem(icon_name='timer-%d' % (tenth_seconds),
text_label=self._log_to_string(tenth_seconds))
menu_item.connect('activate', self._log_selected_cb, tenth_seconds)
self._log_palette.menu.append(menu_item)
menu_item.show()
def _log_selected_cb(self, button, seconds):
self.set_log_idx(LOG_TIMER_VALUES.index(seconds))
def add_frequency_slider(self, toolbox):
''' Either on the Sound toolbar or the Main toolbar '''
self._freq_stepper_up = ToolButton('freq-high')
self._freq_stepper_up.set_tooltip(_('Zoom out'))
self._freq_stepper_up.connect('clicked', self._freq_stepper_up_cb)
self._freq_stepper_up.show()
self.activity.adjustmentf = gtk.Adjustment(
0.5, self.LOWER, self.UPPER, 0.01, 0.1, 0)
self.activity.adjustmentf.connect('value_changed', self.cb_page_sizef)
self._freq_range = gtk.HScale(self.activity.adjustmentf)
self._freq_range.set_inverted(True)
self._freq_range.set_draw_value(False)
self._freq_range.set_update_policy(gtk.UPDATE_CONTINUOUS)
self._freq_range.set_size_request(120, 15)
self._freq_range.show()
self._freq_stepper_down = ToolButton('freq-low')
self._freq_stepper_down.set_tooltip(_('Zoom in'))
self._freq_stepper_down.connect('clicked', self._freq_stepper_down_cb)
self._freq_stepper_down.show()
self._freq_range_tool = gtk.ToolItem()
self._freq_range_tool.add(self._freq_range)
self._freq_range_tool.show()
toolbox.add(self._freq_stepper_up)
toolbox.add(self._freq_range_tool)
toolbox.add(self._freq_stepper_down)
return
def update_trigger_control_cb(self, button, value):
if button is None:
value = self.activity.wave.TRIGGER_NONE
if self.activity.wave.get_fft_mode():
self.trigger_none.set_active(True)
else:
self.activity.wave.set_trigger(value)
def analog_resistance_voltage_mode_cb(self, button=None,
mode_to_set='sound'):
''' Callback for Analog/Resistance/Voltage Buttons '''
if self._lock_radio_buttons:
logging.debug('mode selector locked')
self._radio_button_pushed = True
return
if self.mode == mode_to_set:
logging.debug('mode already set to %s' % mode_to_set)
return
self._lock_radio_buttons = True
if self.activity.CONTEXT == 'sound':
self.sound_context_off()
else:
self.sensor_context_off()
# Force time domain when switching modes
if self.activity.wave.get_fft_mode():
self.activity.timefreq_control()
# Turn off logging when switching modes
if self.activity.audiograb.we_are_logging:
self.record_control_cb()
self.set_mode(mode_to_set)
if mode_to_set == 'sound':
self.set_sound_context()
elif mode_to_set == 'resistance':
self.set_sensor_context()
elif mode_to_set == 'voltage':
self.set_sensor_context()
self.update_string_for_textbox()
return False
def unlock_radio_buttons(self):
''' Enable radio button selection '''
logging.debug('unlocking radio buttons')
if self._radio_button_pushed:
if self.mode == 'sound':
self.time.set_active(True)
elif self.mode == 'resistance':
self.resistance.set_active(True)
elif self.mode == 'voltage':
self.voltage.set_active(True)
self._lock_radio_buttons = False
self._radio_button_pushed = False
def set_mode(self, mode='sound'):
''' Set the mixer settings to match the current mode. '''
self.mode = mode
self.activity.audiograb.set_sensor_type(self.mode)
for i in range(self._channels):
self.values[i] = 0.0
return
def get_mode(self):
''' Get the mixer settings. '''
return self.mode
def _freq_stepper_up_cb(self, button=None):
''' Moves the horizontal zoom slider to the left one notch,
where one notch is 1/100 of the total range. This correspond
to zooming out as a larger number of Hertz or milliseconds
will be represented by the same space on the screen. '''
new_value = self._freq_range.get_value() +\
(self.UPPER - self.LOWER) / 100.0
if new_value <= self.UPPER:
self._freq_range.set_value(new_value)
else:
self._freq_range.set_value(self.UPPER)
def _freq_stepper_down_cb(self, button=None):
''' Moves the horizontal zoom slider to the right one notch,
where one notch is 1/100 of the total range. This corresponds
to zooming in. '''
new_value = self._freq_range.get_value() -\
(self.UPPER - self.LOWER) / 100.0
if new_value >= self.LOWER:
self._freq_range.set_value(new_value)
else:
self._freq_range.set_value(self.LOWER)
def cb_page_sizef(self, button=None):
''' Callback to scale the frequency range (zoom in and out) '''
if self._update_page_size_id:
gobject.source_remove(self._update_page_size_id)
self._update_page_size_id =\
gobject.timeout_add(250, self.update_page_size)
return True
def update_page_size(self):
''' Set up the scaling of the display. '''
self._update_page_size_id = None
new_value = round(self.activity.adjustmentf.value * 100.0) / 100.0
if self.activity.adjustmentf.value != new_value:
self.activity.adjustmentf.value = new_value
return False
time_div = 0.001 * max(self.activity.adjustmentf.value, 0.05)
freq_div = 1000 * max(self.activity.adjustmentf.value, 0.01)
self.activity.wave.set_div(time_div, freq_div)
self.update_string_for_textbox()
return False
def set_sound_context(self):
''' Called when analog sensing is selected '''
self.set_show_hide_windows(mode='sound')
gobject.timeout_add(500, self.sound_context_on)
self.activity.CONTEXT = 'sound'
def set_sensor_context(self):
''' Called when digital sensing is selected '''
self.set_show_hide_windows(mode='sensor')
gobject.timeout_add(500, self.sensor_context_on)
self.activity.CONTEXT = 'sensor'
def set_show_hide_windows(self, mode='sound'):
''' Shows the appropriate window identified by the mode '''
self.activity.wave.set_context_on()
for i in range(self._channels):
self.activity.side_toolbars[i].set_show_hide(True, mode)
def sensor_context_off(self):
''' Called when a DC sensor is no longer selected '''
# self.activity.audiograb.pause_grabbing()
self.activity.audiograb.stop_grabbing()
def sensor_context_on(self):
''' Called when a DC sensor is selected '''
self.update_string_for_textbox()
self.activity.wave.set_trigger(self.activity.wave.TRIGGER_NONE)
# self.activity.audiograb.resume_grabbing()
self.activity.audiograb.start_grabbing()
return False
def sound_context_off(self):
''' Called when an analog sensor is no longer selected '''
self.gain, self.y_mag = self.activity.wave.get_mag_params()
self.capture_gain = self.activity.audiograb.get_capture_gain()
self.mic_boost = self.activity.audiograb.get_mic_boost()
self.activity.audiograb.stop_grabbing()
def sound_context_on(self):
''' Called when an analog sensor is selected '''
self.activity.wave.set_mag_params(self.gain, self.y_mag)
self.update_string_for_textbox()
self.update_trigger_control_cb(None, self.activity.wave.TRIGGER_NONE)
self.activity.audiograb.start_grabbing()
return False
def set_sample_value(self, value='', channel=0):
''' Write a sample value to the textbox. '''
gtk.threads_enter()
self.values[channel] = value
self.update_string_for_textbox()
gtk.threads_leave()
return
def record_control_cb(self, button=None):
''' Depending upon the selected interval, does either a logging
session, or just logs the current buffer. '''
if self.activity.audiograb.we_are_logging:
self.activity.audiograb.set_logging_params(start_stop=False)
self._record.set_icon('media-record')
self._record.show()
self._record.set_tooltip(_('Start Recording'))
else:
Xscale = (1.00 / self.activity.audiograb.get_sampling_rate())
Yscale = 0.0
interval = self._log_value / 10. # self.interval_convert()
username = self.activity.nick
if self.activity.wave.get_fft_mode():
self.activity.data_logger.start_new_session(
username, Xscale, Yscale,
self._log_to_string(self._log_value),
channels=self._channels, mode='frequency')
else:
self.activity.data_logger.start_new_session(
username, Xscale, Yscale,
self._log_to_string(self._log_value),
channels=self._channels, mode=self.mode)
self.activity.audiograb.set_logging_params(
start_stop=True, interval=interval, screenshot=False)
self._record.set_icon('record-stop')
self._record.show()
self._record.set_tooltip(_('Stop Recording'))
self.activity.new_recording = True
def update_string_for_textbox(self):
''' Update the status field at the bottom of the canvas. '''
if self.mode == 'resistance':
string_for_textbox = (self.STR_DC_R + '\n')
string_for_textbox += self.STR_RESISTANCE
elif self.mode == 'voltage':
string_for_textbox = (self.STR_DC_V + '\n')
string_for_textbox += self.STR_VOLTAGE
else:
string_for_textbox = (self.STR_AC + '\t')
if self.activity.wave.get_fft_mode():
scalex = self.STR_XAXIS_TEXT % {
'unit': self.HZ, 'division': self.activity.wave.freq_div}
string_for_textbox += self.STR_FREQUENCY
string_for_textbox += ('\n' + scalex)
elif self.mode == 'sound':
scalex = self.STR_XAXIS_TEXT % {
'unit': self.MS,
'division': self.activity.wave.time_div * 1000}
string_for_textbox += self.STR_TIME
string_for_textbox += ('\n' + scalex)
else:
for i in range(self._channels):
string_for_textbox += '\t(%s)' % (self.values[i])
invert = False
for i in range(self._channels):
if self.activity.wave.get_invert_state(channel=i):
invert = True
if invert:
string_for_textbox += self.STR_INVERT
self.activity.text_box.set_label(string_for_textbox)