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-rw-r--r--plugins/audio_sensors_plugin.py282
1 files changed, 0 insertions, 282 deletions
diff --git a/plugins/audio_sensors_plugin.py b/plugins/audio_sensors_plugin.py
deleted file mode 100644
index 3b1cc9b..0000000
--- a/plugins/audio_sensors_plugin.py
+++ /dev/null
@@ -1,282 +0,0 @@
-#!/usr/bin/env python
-#Copyright (c) 2011 Walter Bender
-#
-# 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-
-try:
- from numpy import append
- from numpy.fft import rfft
- PITCH_AVAILABLE = True
-except:
- PITCH_AVAILABLE = False
-
-from plugin import Plugin
-
-from plugins.lib.audio.audiograb import AudioGrab_Unknown, AudioGrab_XO1, \
- AudioGrab_XO15, SENSOR_DC_NO_BIAS, SENSOR_DC_BIAS
-
-from plugins.lib.audio.ringbuffer import RingBuffer1d
-
-from TurtleArt.tapalette import make_palette
-from TurtleArt.taconstants import XO1, XO15
-from TurtleArt.talogo import primitive_dictionary
-from TurtleArt.tautils import debug_output
-
-import logging
-_logger = logging.getLogger('turtleart-activity audio sensors plugin')
-
-
-def _avg(array, abs_value=False):
- """ Calc. the average value of an array """
- if len(array) == 0:
- return 0
- array_sum = 0
- if abs_value:
- for a in array:
- array_sum += abs(a)
- else:
- for a in array:
- array_sum += a
- return float(array_sum) / len(array)
-
-
-class Audio_sensors_plugin(Plugin):
-
- def __init__(self, parent):
- self._parent = parent
- self.hw = self._parent.hw
- self.running_sugar = self._parent.running_sugar
- self._status = True # TODO: test for audio device
-
- def setup(self):
- # set up audio-sensor-specific blocks
- if not self._status:
- return
-
- self.max_samples = 1500
- self.input_step = 1
-
- self.ringbuffer = RingBuffer1d(self.max_samples, dtype='int16')
- if self.hw == XO1:
- self.voltage_gain = 0.00002225
- self.voltage_bias = 1.140
- elif self.hw == XO15:
- self.voltage_gain = -0.0001471
- self.voltage_bias = 1.695
-
- palette = make_palette('sensor',
- colors=["#FF6060", "#A06060"],
- help_string=_('Palette of sensor blocks'))
-
- primitive_dictionary['sound'] = self.prim_sound
- palette.add_block('sound',
- style='box-style',
- label=_('sound'),
- help_string=_('raw microphone input signal'),
- value_block=True,
- prim_name='sound')
- self._parent.lc.def_prim('sound', 0,
- lambda self: primitive_dictionary['sound']())
-
- primitive_dictionary['volume'] = self.prim_volume
- palette.add_block('volume',
- style='box-style',
- label=_('loudness'),
- help_string=_('microphone input volume'),
- value_block=True,
- prim_name='volume')
- self._parent.lc.def_prim('volume', 0,
- lambda self: primitive_dictionary['volume']())
-
- primitive_dictionary['pitch'] = self.prim_pitch
- if PITCH_AVAILABLE:
- palette.add_block('pitch',
- style='box-style',
- label=_('pitch'),
- help_string=_('microphone input pitch'),
- value_block=True,
- prim_name='pitch')
- else:
- palette.add_block('pitch',
- hidden=True,
- style='box-style',
- label=_('pitch'),
- help_string=_('microphone input pitch'),
- value_block=True,
- prim_name='pitch')
- self._parent.lc.def_prim('pitch', 0,
- lambda self: primitive_dictionary['pitch']())
-
- if self.hw in [XO1, XO15]:
- primitive_dictionary['resistance'] = self.prim_resistance
- palette.add_block('resistance',
- style='box-style',
- label=_('resistance'),
- help_string=_('microphone input resistance'),
- value_block=True,
- prim_name='resistance')
- self._parent.lc.def_prim('resistance', 0,
- lambda self: primitive_dictionary['resistance']())
-
- primitive_dictionary['voltage'] = self.prim_voltage
- palette.add_block('voltage',
- style='box-style',
- label=_('voltage'),
- help_string=_('microphone input voltage'),
- value_block=True,
- prim_name='voltage')
- self._parent.lc.def_prim('voltage', 0,
- lambda self: primitive_dictionary['voltage']())
-
- self.audio_started = False
-
- def start(self):
- # This gets called by the start button
- if not self._status:
- return
- """ Start grabbing audio if there is an audio block in use """
- if len(self._parent.block_list.get_similar_blocks('block',
- ['volume', 'sound', 'pitch', 'resistance', 'voltage'])) > 0:
- if self.audio_started:
- self.audiograb.resume_grabbing()
- else:
- if self.hw == XO15:
- self.audiograb = AudioGrab_XO15(self.new_buffer, self)
- elif self.hw == XO1:
- self.audiograb = AudioGrab_XO1(self.new_buffer, self)
- else:
- self.audiograb = AudioGrab_Unknown(self.new_buffer, self)
- self.audiograb.start_grabbing()
- self.audio_started = True
- self._update_audio_mode()
-
- def new_buffer(self, buf):
- """ Append a new buffer to the ringbuffer """
- self.ringbuffer.append(buf)
- return True
-
- def _update_audio_mode(self):
- """ If there are sensor blocks, set the appropriate audio mode """
- if not hasattr(self._parent.lc, 'value_blocks'):
- return
- for name in ['sound', 'volume', 'pitch']:
- if name in self._parent.lc.value_blocks:
- if len(self._parent.lc.value_blocks[name]) > 0:
- self.audiograb.set_sensor_type()
- return
- if 'resistance' in self._parent.lc.value_blocks:
- if len(self._parent.lc.value_blocks['resistance']) > 0:
- self.audiograb.set_sensor_type(SENSOR_DC_BIAS)
- return
- if 'voltage' in self._parent.lc.value_blocks:
- if len(self._parent.lc.value_blocks['voltage']) > 0:
- self.audiograb.set_sensor_type(SENSOR_DC_NO_BIAS)
- return
-
- def stop(self):
- # This gets called by the stop button
- if self._status:
- if self.audio_started:
- self.audiograb.pause_grabbing()
-
- def goto_background(self):
- # This gets called when your process is sent to the background
- # TODO: handle this case
- pass
-
- def return_to_foreground(self):
- # This gets called when your process returns from the background
- # TODO: handle this case
- pass
-
- def quit(self):
- # This gets called by the quit button
- self.stop()
-
- def _status_report(self):
- debug_output('Reporting audio sensor status: %s' % (str(self._status)))
- return self._status
-
- # Block primitives used in talogo
-
- def prim_volume(self):
- """ return mic in value """
- #TODO: Adjust gain for different HW
- buf = self.ringbuffer.read(None, self.input_step)
- if len(buf) > 0:
- volume = float(_avg(buf, abs_value=True))
- self._parent.lc.update_label_value('volume', volume)
- return volume
- else:
- return 0
-
- def prim_sound(self):
- """ return raw mic in value """
- buf = self.ringbuffer.read(None, self.input_step)
- if len(buf) > 0:
- sound = float(buf[0])
- self._parent.lc.update_label_value('sound', sound)
- return sound
- else:
- return 0
-
- def prim_pitch(self):
- """ return index of max value in fft of mic in values """
- if not PITCH_AVAILABLE:
- return 0
- buf = []
- for i in range(4):
- buf = append(buf, self.ringbuffer.read(None, self.input_step))
- if len(buf) > 0:
- r = []
- for j in rfft(buf):
- r.append(abs(j))
- # Convert output to Hertz
- pitch = r.index(max(r)) * 48000 / len(buf)
- self._parent.lc.update_label_value('pitch', pitch)
- return pitch
- else:
- return 0
-
- def prim_resistance(self):
- """ return resistance sensor value """
- buf = self.ringbuffer.read(None, self.input_step)
- if len(buf) > 0:
- # See <http://bugs.sugarlabs.org/ticket/552#comment:7>
- # TODO: test this calibration on XO 1.5
- if self.hw == XO1:
- resistance = 2.718 ** ((float(_avg(buf)) * 0.000045788) + \
- 8.0531)
- else:
- avg_buf = float(_avg(buf))
- if avg_buf > 0:
- resistance = (420000000 / avg_buf) - 13500
- else:
- resistance = 420000000
- self._parent.lc.update_label_value('resistance', resistance)
- return resistance
- else:
- return 0
-
- def prim_voltage(self):
- """ return voltage sensor value """
- buf = self.ringbuffer.read(None, self.input_step)
- if len(buf) > 0:
- # See <http://bugs.sugarlabs.org/ticket/552#comment:7>
- voltage = float(_avg(buf)) * self.voltage_gain + self.voltage_bias
- self._parent.lc.update_label_value('voltage', voltage)
- return voltage
- else:
- return 0
generated by cgit v0.9.1 at 2024-04-19 23:47:12 (GMT)