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#! /usr/bin/python
#
# Author: Arjun Sarwal arjun@laptop.org
# Copyright (C) 2007, Arjun Sarwal
# Copyright (C) 2009, 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.
#
# This program 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 this program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
import pygtk
import gtk
import time
from gettext import gettext as _
import config #This has all the globals
from sugar.graphics.toolbutton import ToolButton
from sugar.graphics.combobox import ComboBox
from sugar.graphics.toolcombobox import ToolComboBox
try:
import gconf
except:
from sugar import profile
# 'Sensor' toolbar class
class SensorToolbar(gtk.Toolbar):
def __init__(self, wave, audiograb, textbox, journal):
gtk.Toolbar.__init__(self)
self._STR_BASIC = \
_("Sensors, DC (connect sensor to pink 'Mic In' on left side of XO) ")
self._STR1 = _("Bias/Offset Enabled ")
self._STR2 = _("Bias/Offset Disabled ")
self._STR3 = _(" Invert ")
self.gain_state = None
self.boost_state = None
self.string_for_textbox = ""
self.wave = wave
self.ag = audiograb
self.ag.set_sensor(self)
self.textbox_copy = textbox
self.ji = journal
self.logging_status = False
###################### Resistance ####################
self._resistance = ToolButton('bias-on2')
self.insert(self._resistance, -1)
self._resistance.show()
self._resistance.set_tooltip(_('Resistance Sensor'))
self._resistance.connect('clicked', self.set_resistance_voltage_mode,\
'resistance')
######################################################
####################### Voltage ######################
self._voltage = ToolButton('bias-off')
self.insert(self._voltage, -1)
self._voltage.set_tooltip(_('Voltage Sensor'))
self._voltage.connect('clicked', self.set_resistance_voltage_mode,\
'voltage')
######################################################
####################### invert #######################
self._invert = ToolButton('invert')
self.insert(self._invert, -1)
self._invert.set_tooltip(_('Invert'))
self._invert.connect('clicked', self._invert_control_cb)
self.wave.set_invert_state(False)
######################################################
separator = gtk.SeparatorToolItem()
separator.props.draw = True
self.insert(separator, -1)
self.loginterval_img = gtk.Image()
self.loginterval_img.set_from_file(config.ICONS_DIR + \
'/sample_rate.svg')
self.loginterval_img_tool = gtk.ToolItem()
self.loginterval_img_tool.add(self.loginterval_img)
self.insert(self.loginterval_img_tool,-1)
################### Logging Interval ##################
self._loginterval_combo = ComboBox()
self.interval = [_('1 second') , _('30 seconds'), _('5 minutes'),\
_('30 minutes')]
self._interval_changed_id = self._loginterval_combo.connect("changed",\
self.loginterval_control)
for i, s in enumerate(self.interval):
self._loginterval_combo.append_item(i, s, None)
if s == _('1 second'):
self._loginterval_combo.set_active(i)
self._loginterval_tool = ToolComboBox(self._loginterval_combo)
self.insert(self._loginterval_tool,-1)
self.logginginterval_status = '1second'
########################################################
########### Start Logging/Stop Logging #################
self._record = ToolButton('media-record')
self.insert(self._record, -1)
self._record.set_tooltip(_('Start Recording'))
self._record.connect('clicked', self.record_control)
########################################################
##################### Sample Value #####################
separator = gtk.SeparatorToolItem()
separator.props.draw = False
separator.set_expand(True)
self.insert(separator, -1)
self.sample_value = gtk.Label("-")
self.sample_value_toolitem = gtk.ToolItem()
self.sample_value_toolitem.add(self.sample_value)
self.insert(self.sample_value_toolitem, -1)
########################################################
self.show_all()
def set_sample_value(self, label="x"):
self.sample_value.set_text(label)
self.sample_value.show()
def record_control(self, data=None):
"""Depending upon the selected interval, does either
a logging session, or just logs the current buffer"""
# config.LOGGING_IN_SESSION appears to be a duplicate of
# self.logging_status.
#
if config.LOGGING_IN_SESSION == False:
Xscale = (1.00/self.ag.get_sampling_rate())
Yscale = 0.0
interval = self.interval_convert()
try:
client = gconf.client_get_default()
username = client.get_string("/desktop/suagr/user/nick")
except:
username = profile.get_nick_name()
self.ji.start_new_session(username, Xscale, Yscale,\
self.logginginterval_status)
self.ag.set_logging_params(True, interval, False)
config.LOGGING_IN_SESSION = True
self.logging_status = True
self._record.set_icon('record-stop')
self._record.show()
self._record.set_tooltip(_('Stop Recording'))
else:
if self.logging_status == True:
self.ag.set_logging_params(False)
time.sleep(0.2)
self.ji.stop_session()
config.LOGGING_IN_SESSION = False
self.logging_status = False
self._record.set_icon('media-record')
self._record.show()
self._record.set_tooltip(_('Start Recording'))
def interval_convert(self):
"""Converts picture/1second/5seconds/1minute/5minutes to an integer
which denotes the number of times the audiograb buffer must be called
before a value is written.
When set to 0, the whole of current buffer will be written"""
if self.logginginterval_status == '1second':
return 89
elif self.logginginterval_status == '30second':
return 2667
elif self.logginginterval_status == '5minute':
return 26667
elif self.logginginterval_status == '30minute':
return 160000
def loginterval_control(self, combobox):
if (self._loginterval_combo.get_active() != -1):
if (self._loginterval_combo.get_active() == 0):
self.logginginterval_status = '1second'
if (self._loginterval_combo.get_active() == 1):
self.logginginterval_status = '30second'
if (self._loginterval_combo.get_active() == 2):
self.logginginterval_status = '5minute'
if (self._loginterval_combo.get_active() == 3):
self.logginginterval_status = '30minute'
def set_resistance_voltage_mode(self, data=None, mode_to_set='resistance'):
if mode_to_set == 'resistance' and self.get_mode()=='voltage' :
self.set_mode('resistance')
self._resistance.set_icon('bias-on2')
self._voltage.set_icon('bias-off')
self._resistance.show()
self._voltage.show()
self._update_string_for_textbox()
return False
if mode_to_set == 'voltage' and self.get_mode()=='resistance' :
self.set_mode('voltage')
self._resistance.set_icon('bias-on')
self._voltage.set_icon('bias-off2')
self._resistance.show()
self._voltage.show()
self._update_string_for_textbox()
return False
return False
def _invert_control_cb(self, data=None):
print "invert_control_cb; current state: " + \
str(self.wave.get_invert_state())
if self.wave.get_invert_state()==True:
self.wave.set_invert_state(False)
print "invert_control_cb; changing to False"
self._invert.set_icon('invert')
self._invert.show()
else:
self.wave.set_invert_state(True)
print "invert_control_cb; changing to True"
self._invert.set_icon('invert2')
self._invert.show()
self._update_string_for_textbox()
return False
def get_mode(self):
if self.ag.get_bias()==False and self.ag.get_dc_mode()==True :
return 'voltage'
elif self.ag.get_bias()==True and self.ag.get_dc_mode()==True :
return 'resistance'
else:
return 'error'
def set_mode(self, mode='resistance'):
if mode=='resistance':
self.ag.set_bias(True)
else:
self.ag.set_bias(False)
return
def context_off(self):
self.ag.pause_grabbing()
def context_on(self):
self.ag.resume_grabbing()
self.ag.set_dc_mode(True)
self.ag.set_bias(True)
self._update_string_for_textbox()
#self.gain_state = self.ag.get_capture_gain()
#self.boost_state = self.ag.get_mic_boost()
self.ag.set_capture_gain(0)
self.ag.set_mic_boost(False)
self.wave.set_trigger(self.wave.TRIGGER_NONE)
def _update_string_for_textbox(self):
self.string_for_textbox = ""
self.string_for_textbox += (self._STR_BASIC + "\n")
if self.ag.get_bias() == True:
self.string_for_textbox += self._STR1
else:
self.string_for_textbox += self._STR2
if self.wave.get_invert_state()==True:
self.string_for_textbox += self._STR3
self.textbox_copy.set_data_params(0, self.string_for_textbox)
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