Jeff Brown | 4519f07 | 2011-01-23 13:16:01 -0800 | [diff] [blame] | 1 | #!/usr/bin/env python2.6 |
| 2 | # |
| 3 | # Copyright (C) 2011 The Android Open Source Project |
| 4 | # |
| 5 | # Licensed under the Apache License, Version 2.0 (the "License"); |
| 6 | # you may not use this file except in compliance with the License. |
| 7 | # You may obtain a copy of the License at |
| 8 | # |
| 9 | # http://www.apache.org/licenses/LICENSE-2.0 |
| 10 | # |
| 11 | # Unless required by applicable law or agreed to in writing, software |
| 12 | # distributed under the License is distributed on an "AS IS" BASIS, |
| 13 | # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 14 | # See the License for the specific language governing permissions and |
| 15 | # limitations under the License. |
| 16 | # |
| 17 | |
| 18 | # |
| 19 | # Plots debug log output from WindowOrientationListener. |
| 20 | # See README.txt for details. |
| 21 | # |
| 22 | |
| 23 | import numpy as np |
| 24 | import matplotlib.pyplot as plot |
| 25 | import subprocess |
| 26 | import re |
| 27 | import fcntl |
| 28 | import os |
| 29 | import errno |
| 30 | import bisect |
| 31 | from datetime import datetime, timedelta |
| 32 | |
| 33 | # Parameters. |
| 34 | timespan = 15 # seconds total span shown |
| 35 | scrolljump = 5 # seconds jump when scrolling |
| 36 | timeticks = 1 # seconds between each time tick |
| 37 | |
| 38 | # Non-blocking stream wrapper. |
| 39 | class NonBlockingStream: |
| 40 | def __init__(self, stream): |
| 41 | fcntl.fcntl(stream, fcntl.F_SETFL, os.O_NONBLOCK) |
| 42 | self.stream = stream |
| 43 | self.buffer = '' |
| 44 | self.pos = 0 |
| 45 | |
| 46 | def readline(self): |
| 47 | while True: |
| 48 | index = self.buffer.find('\n', self.pos) |
| 49 | if index != -1: |
| 50 | result = self.buffer[self.pos:index] |
| 51 | self.pos = index + 1 |
| 52 | return result |
| 53 | |
| 54 | self.buffer = self.buffer[self.pos:] |
| 55 | self.pos = 0 |
| 56 | try: |
| 57 | chunk = os.read(self.stream.fileno(), 4096) |
| 58 | except OSError, e: |
| 59 | if e.errno == errno.EAGAIN: |
| 60 | return None |
| 61 | raise e |
| 62 | if len(chunk) == 0: |
| 63 | if len(self.buffer) == 0: |
| 64 | raise(EOFError) |
| 65 | else: |
| 66 | result = self.buffer |
| 67 | self.buffer = '' |
| 68 | self.pos = 0 |
| 69 | return result |
| 70 | self.buffer += chunk |
| 71 | |
| 72 | # Plotter |
| 73 | class Plotter: |
| 74 | def __init__(self, adbout): |
| 75 | self.adbout = adbout |
| 76 | |
| 77 | self.fig = plot.figure(1) |
| 78 | self.fig.suptitle('Window Orientation Listener', fontsize=12) |
| 79 | self.fig.set_dpi(96) |
| 80 | self.fig.set_size_inches(16, 12, forward=True) |
| 81 | |
| 82 | self.raw_acceleration_x = self._make_timeseries() |
| 83 | self.raw_acceleration_y = self._make_timeseries() |
| 84 | self.raw_acceleration_z = self._make_timeseries() |
| 85 | self.raw_acceleration_axes = self._add_timeseries_axes( |
| 86 | 1, 'Raw Acceleration', 'm/s^2', [-20, 20], |
| 87 | yticks=range(-15, 16, 5)) |
| 88 | self.raw_acceleration_line_x = self._add_timeseries_line( |
| 89 | self.raw_acceleration_axes, 'x', 'red') |
| 90 | self.raw_acceleration_line_y = self._add_timeseries_line( |
| 91 | self.raw_acceleration_axes, 'y', 'green') |
| 92 | self.raw_acceleration_line_z = self._add_timeseries_line( |
| 93 | self.raw_acceleration_axes, 'z', 'blue') |
| 94 | self._add_timeseries_legend(self.raw_acceleration_axes) |
| 95 | |
| 96 | shared_axis = self.raw_acceleration_axes |
| 97 | |
| 98 | self.filtered_acceleration_x = self._make_timeseries() |
| 99 | self.filtered_acceleration_y = self._make_timeseries() |
| 100 | self.filtered_acceleration_z = self._make_timeseries() |
| 101 | self.magnitude = self._make_timeseries() |
| 102 | self.filtered_acceleration_axes = self._add_timeseries_axes( |
| 103 | 2, 'Filtered Acceleration', 'm/s^2', [-20, 20], |
| 104 | sharex=shared_axis, |
| 105 | yticks=range(-15, 16, 5)) |
| 106 | self.filtered_acceleration_line_x = self._add_timeseries_line( |
| 107 | self.filtered_acceleration_axes, 'x', 'red') |
| 108 | self.filtered_acceleration_line_y = self._add_timeseries_line( |
| 109 | self.filtered_acceleration_axes, 'y', 'green') |
| 110 | self.filtered_acceleration_line_z = self._add_timeseries_line( |
| 111 | self.filtered_acceleration_axes, 'z', 'blue') |
| 112 | self.magnitude_line = self._add_timeseries_line( |
| 113 | self.filtered_acceleration_axes, 'magnitude', 'orange', linewidth=2) |
| 114 | self._add_timeseries_legend(self.filtered_acceleration_axes) |
| 115 | |
| 116 | self.tilt_angle = self._make_timeseries() |
| 117 | self.tilt_angle_axes = self._add_timeseries_axes( |
| 118 | 3, 'Tilt Angle', 'degrees', [-105, 105], |
| 119 | sharex=shared_axis, |
| 120 | yticks=range(-90, 91, 30)) |
| 121 | self.tilt_angle_line = self._add_timeseries_line( |
| 122 | self.tilt_angle_axes, 'tilt', 'black') |
| 123 | self._add_timeseries_legend(self.tilt_angle_axes) |
| 124 | |
| 125 | self.orientation_angle = self._make_timeseries() |
| 126 | self.orientation_angle_axes = self._add_timeseries_axes( |
| 127 | 4, 'Orientation Angle', 'degrees', [-25, 375], |
| 128 | sharex=shared_axis, |
| 129 | yticks=range(0, 361, 45)) |
| 130 | self.orientation_angle_line = self._add_timeseries_line( |
| 131 | self.orientation_angle_axes, 'orientation', 'black') |
| 132 | self._add_timeseries_legend(self.orientation_angle_axes) |
| 133 | |
| 134 | self.actual_orientation = self._make_timeseries() |
| 135 | self.proposed_orientation = self._make_timeseries() |
| 136 | self.orientation_axes = self._add_timeseries_axes( |
| 137 | 5, 'Actual / Proposed Orientation and Confidence', 'rotation', [-1, 4], |
| 138 | sharex=shared_axis, |
| 139 | yticks=range(0, 4)) |
| 140 | self.actual_orientation_line = self._add_timeseries_line( |
| 141 | self.orientation_axes, 'actual', 'black', linewidth=2) |
| 142 | self.proposed_orientation_line = self._add_timeseries_line( |
| 143 | self.orientation_axes, 'proposed', 'purple', linewidth=3) |
| 144 | self._add_timeseries_legend(self.orientation_axes) |
| 145 | |
| 146 | self.confidence = [[self._make_timeseries(), self._make_timeseries()] for i in range(0, 4)] |
| 147 | self.confidence_polys = [] |
| 148 | |
| 149 | self.combined_confidence = self._make_timeseries() |
| 150 | self.orientation_confidence = self._make_timeseries() |
| 151 | self.tilt_confidence = self._make_timeseries() |
| 152 | self.magnitude_confidence = self._make_timeseries() |
| 153 | self.confidence_axes = self._add_timeseries_axes( |
| 154 | 6, 'Proposed Orientation Confidence Factors', 'confidence', [-0.1, 1.1], |
| 155 | sharex=shared_axis, |
| 156 | yticks=[0.0, 0.2, 0.4, 0.6, 0.8, 1.0]) |
| 157 | self.combined_confidence_line = self._add_timeseries_line( |
| 158 | self.confidence_axes, 'combined', 'purple', linewidth=2) |
| 159 | self.orientation_confidence_line = self._add_timeseries_line( |
| 160 | self.confidence_axes, 'orientation', 'black') |
| 161 | self.tilt_confidence_line = self._add_timeseries_line( |
| 162 | self.confidence_axes, 'tilt', 'brown') |
| 163 | self.magnitude_confidence_line = self._add_timeseries_line( |
| 164 | self.confidence_axes, 'magnitude', 'orange') |
| 165 | self._add_timeseries_legend(self.confidence_axes) |
| 166 | |
| 167 | self.sample_latency = self._make_timeseries() |
| 168 | self.sample_latency_axes = self._add_timeseries_axes( |
| 169 | 7, 'Accelerometer Sampling Latency', 'ms', [-10, 500], |
| 170 | sharex=shared_axis, |
| 171 | yticks=range(0, 500, 100)) |
| 172 | self.sample_latency_line = self._add_timeseries_line( |
| 173 | self.sample_latency_axes, 'latency', 'black') |
| 174 | self._add_timeseries_legend(self.sample_latency_axes) |
| 175 | |
| 176 | self.timer = self.fig.canvas.new_timer(interval=100) |
| 177 | self.timer.add_callback(lambda: self.update()) |
| 178 | self.timer.start() |
| 179 | |
| 180 | self.timebase = None |
| 181 | self._reset_parse_state() |
| 182 | |
| 183 | # Initialize a time series. |
| 184 | def _make_timeseries(self): |
| 185 | return [[], []] |
| 186 | |
| 187 | # Add a subplot to the figure for a time series. |
| 188 | def _add_timeseries_axes(self, index, title, ylabel, ylim, yticks, sharex=None): |
| 189 | num_graphs = 7 |
| 190 | height = 0.9 / num_graphs |
| 191 | top = 0.95 - height * index |
| 192 | axes = self.fig.add_axes([0.1, top, 0.8, height], |
| 193 | xscale='linear', |
| 194 | xlim=[0, timespan], |
| 195 | ylabel=ylabel, |
| 196 | yscale='linear', |
| 197 | ylim=ylim, |
| 198 | sharex=sharex) |
| 199 | axes.text(0.02, 0.02, title, transform=axes.transAxes, fontsize=10, fontweight='bold') |
| 200 | axes.set_xlabel('time (s)', fontsize=10, fontweight='bold') |
| 201 | axes.set_ylabel(ylabel, fontsize=10, fontweight='bold') |
| 202 | axes.set_xticks(range(0, timespan + 1, timeticks)) |
| 203 | axes.set_yticks(yticks) |
| 204 | axes.grid(True) |
| 205 | |
| 206 | for label in axes.get_xticklabels(): |
| 207 | label.set_fontsize(9) |
| 208 | for label in axes.get_yticklabels(): |
| 209 | label.set_fontsize(9) |
| 210 | |
| 211 | return axes |
| 212 | |
| 213 | # Add a line to the axes for a time series. |
| 214 | def _add_timeseries_line(self, axes, label, color, linewidth=1): |
| 215 | return axes.plot([], label=label, color=color, linewidth=linewidth)[0] |
| 216 | |
| 217 | # Add a legend to a time series. |
| 218 | def _add_timeseries_legend(self, axes): |
| 219 | axes.legend( |
| 220 | loc='upper left', |
| 221 | bbox_to_anchor=(1.01, 1), |
| 222 | borderpad=0.1, |
| 223 | borderaxespad=0.1, |
| 224 | prop={'size': 10}) |
| 225 | |
| 226 | # Resets the parse state. |
| 227 | def _reset_parse_state(self): |
| 228 | self.parse_raw_acceleration_x = None |
| 229 | self.parse_raw_acceleration_y = None |
| 230 | self.parse_raw_acceleration_z = None |
| 231 | self.parse_filtered_acceleration_x = None |
| 232 | self.parse_filtered_acceleration_y = None |
| 233 | self.parse_filtered_acceleration_z = None |
| 234 | self.parse_magnitude = None |
| 235 | self.parse_tilt_angle = None |
| 236 | self.parse_orientation_angle = None |
| 237 | self.parse_proposed_orientation = None |
| 238 | self.parse_combined_confidence = None |
| 239 | self.parse_orientation_confidence = None |
| 240 | self.parse_tilt_confidence = None |
| 241 | self.parse_magnitude_confidence = None |
| 242 | self.parse_actual_orientation = None |
| 243 | self.parse_confidence = None |
| 244 | self.parse_sample_latency = None |
| 245 | |
| 246 | # Update samples. |
| 247 | def update(self): |
| 248 | timeindex = 0 |
| 249 | while True: |
| 250 | try: |
| 251 | line = self.adbout.readline() |
| 252 | except EOFError: |
| 253 | plot.close() |
| 254 | return |
| 255 | if line is None: |
| 256 | break |
| 257 | print line |
| 258 | |
| 259 | try: |
| 260 | timestamp = self._parse_timestamp(line) |
| 261 | except ValueError, e: |
| 262 | continue |
| 263 | if self.timebase is None: |
| 264 | self.timebase = timestamp |
| 265 | delta = timestamp - self.timebase |
| 266 | timeindex = delta.seconds + delta.microseconds * 0.000001 |
| 267 | |
| 268 | if line.find('Raw acceleration vector:') != -1: |
| 269 | self.parse_raw_acceleration_x = self._get_following_number(line, 'x=') |
| 270 | self.parse_raw_acceleration_y = self._get_following_number(line, 'y=') |
| 271 | self.parse_raw_acceleration_z = self._get_following_number(line, 'z=') |
| 272 | |
| 273 | if line.find('Filtered acceleration vector:') != -1: |
| 274 | self.parse_filtered_acceleration_x = self._get_following_number(line, 'x=') |
| 275 | self.parse_filtered_acceleration_y = self._get_following_number(line, 'y=') |
| 276 | self.parse_filtered_acceleration_z = self._get_following_number(line, 'z=') |
| 277 | |
| 278 | if line.find('magnitude=') != -1: |
| 279 | self.parse_magnitude = self._get_following_number(line, 'magnitude=') |
| 280 | |
| 281 | if line.find('tiltAngle=') != -1: |
| 282 | self.parse_tilt_angle = self._get_following_number(line, 'tiltAngle=') |
| 283 | |
| 284 | if line.find('orientationAngle=') != -1: |
| 285 | self.parse_orientation_angle = self._get_following_number(line, 'orientationAngle=') |
| 286 | |
| 287 | if line.find('Proposal:') != -1: |
| 288 | self.parse_proposed_orientation = self._get_following_number(line, 'proposedOrientation=') |
| 289 | self.parse_combined_confidence = self._get_following_number(line, 'combinedConfidence=') |
| 290 | self.parse_orientation_confidence = self._get_following_number(line, 'orientationConfidence=') |
| 291 | self.parse_tilt_confidence = self._get_following_number(line, 'tiltConfidence=') |
| 292 | self.parse_magnitude_confidence = self._get_following_number(line, 'magnitudeConfidence=') |
| 293 | |
| 294 | if line.find('Result:') != -1: |
| 295 | self.parse_actual_orientation = self._get_following_number(line, 'rotation=') |
| 296 | self.parse_confidence = self._get_following_array_of_numbers(line, 'confidence=') |
| 297 | self.parse_sample_latency = self._get_following_number(line, 'timeDeltaMS=') |
| 298 | |
| 299 | for i in range(0, 4): |
| 300 | if self.parse_confidence is not None: |
| 301 | self._append(self.confidence[i][0], timeindex, i) |
| 302 | self._append(self.confidence[i][1], timeindex, i + self.parse_confidence[i]) |
| 303 | else: |
| 304 | self._append(self.confidence[i][0], timeindex, None) |
| 305 | self._append(self.confidence[i][1], timeindex, None) |
| 306 | |
| 307 | self._append(self.raw_acceleration_x, timeindex, self.parse_raw_acceleration_x) |
| 308 | self._append(self.raw_acceleration_y, timeindex, self.parse_raw_acceleration_y) |
| 309 | self._append(self.raw_acceleration_z, timeindex, self.parse_raw_acceleration_z) |
| 310 | self._append(self.filtered_acceleration_x, timeindex, self.parse_filtered_acceleration_x) |
| 311 | self._append(self.filtered_acceleration_y, timeindex, self.parse_filtered_acceleration_y) |
| 312 | self._append(self.filtered_acceleration_z, timeindex, self.parse_filtered_acceleration_z) |
| 313 | self._append(self.magnitude, timeindex, self.parse_magnitude) |
| 314 | self._append(self.tilt_angle, timeindex, self.parse_tilt_angle) |
| 315 | self._append(self.orientation_angle, timeindex, self.parse_orientation_angle) |
| 316 | self._append(self.actual_orientation, timeindex, self.parse_actual_orientation) |
| 317 | self._append(self.proposed_orientation, timeindex, self.parse_proposed_orientation) |
| 318 | self._append(self.combined_confidence, timeindex, self.parse_combined_confidence) |
| 319 | self._append(self.orientation_confidence, timeindex, self.parse_orientation_confidence) |
| 320 | self._append(self.tilt_confidence, timeindex, self.parse_tilt_confidence) |
| 321 | self._append(self.magnitude_confidence, timeindex, self.parse_magnitude_confidence) |
| 322 | self._append(self.sample_latency, timeindex, self.parse_sample_latency) |
| 323 | self._reset_parse_state() |
| 324 | |
| 325 | # Scroll the plots. |
| 326 | if timeindex > timespan: |
| 327 | bottom = int(timeindex) - timespan + scrolljump |
| 328 | self.timebase += timedelta(seconds=bottom) |
| 329 | self._scroll(self.raw_acceleration_x, bottom) |
| 330 | self._scroll(self.raw_acceleration_y, bottom) |
| 331 | self._scroll(self.raw_acceleration_z, bottom) |
| 332 | self._scroll(self.filtered_acceleration_x, bottom) |
| 333 | self._scroll(self.filtered_acceleration_y, bottom) |
| 334 | self._scroll(self.filtered_acceleration_z, bottom) |
| 335 | self._scroll(self.magnitude, bottom) |
| 336 | self._scroll(self.tilt_angle, bottom) |
| 337 | self._scroll(self.orientation_angle, bottom) |
| 338 | self._scroll(self.actual_orientation, bottom) |
| 339 | self._scroll(self.proposed_orientation, bottom) |
| 340 | self._scroll(self.combined_confidence, bottom) |
| 341 | self._scroll(self.orientation_confidence, bottom) |
| 342 | self._scroll(self.tilt_confidence, bottom) |
| 343 | self._scroll(self.magnitude_confidence, bottom) |
| 344 | self._scroll(self.sample_latency, bottom) |
| 345 | for i in range(0, 4): |
| 346 | self._scroll(self.confidence[i][0], bottom) |
| 347 | self._scroll(self.confidence[i][1], bottom) |
| 348 | |
| 349 | # Redraw the plots. |
| 350 | self.raw_acceleration_line_x.set_data(self.raw_acceleration_x) |
| 351 | self.raw_acceleration_line_y.set_data(self.raw_acceleration_y) |
| 352 | self.raw_acceleration_line_z.set_data(self.raw_acceleration_z) |
| 353 | self.filtered_acceleration_line_x.set_data(self.filtered_acceleration_x) |
| 354 | self.filtered_acceleration_line_y.set_data(self.filtered_acceleration_y) |
| 355 | self.filtered_acceleration_line_z.set_data(self.filtered_acceleration_z) |
| 356 | self.magnitude_line.set_data(self.magnitude) |
| 357 | self.tilt_angle_line.set_data(self.tilt_angle) |
| 358 | self.orientation_angle_line.set_data(self.orientation_angle) |
| 359 | self.actual_orientation_line.set_data(self.actual_orientation) |
| 360 | self.proposed_orientation_line.set_data(self.proposed_orientation) |
| 361 | self.combined_confidence_line.set_data(self.combined_confidence) |
| 362 | self.orientation_confidence_line.set_data(self.orientation_confidence) |
| 363 | self.tilt_confidence_line.set_data(self.tilt_confidence) |
| 364 | self.magnitude_confidence_line.set_data(self.magnitude_confidence) |
| 365 | self.sample_latency_line.set_data(self.sample_latency) |
| 366 | |
| 367 | for poly in self.confidence_polys: |
| 368 | poly.remove() |
| 369 | self.confidence_polys = [] |
| 370 | for i in range(0, 4): |
| 371 | self.confidence_polys.append(self.orientation_axes.fill_between(self.confidence[i][0][0], |
| 372 | self.confidence[i][0][1], self.confidence[i][1][1], |
| 373 | facecolor='goldenrod', edgecolor='goldenrod')) |
| 374 | |
| 375 | self.fig.canvas.draw_idle() |
| 376 | |
| 377 | # Scroll a time series. |
| 378 | def _scroll(self, timeseries, bottom): |
| 379 | bottom_index = bisect.bisect_left(timeseries[0], bottom) |
| 380 | del timeseries[0][:bottom_index] |
| 381 | del timeseries[1][:bottom_index] |
| 382 | for i, timeindex in enumerate(timeseries[0]): |
| 383 | timeseries[0][i] = timeindex - bottom |
| 384 | |
| 385 | # Extract a word following the specified prefix. |
| 386 | def _get_following_word(self, line, prefix): |
| 387 | prefix_index = line.find(prefix) |
| 388 | if prefix_index == -1: |
| 389 | return None |
| 390 | start_index = prefix_index + len(prefix) |
| 391 | delim_index = line.find(',', start_index) |
| 392 | if delim_index == -1: |
| 393 | return line[start_index:] |
| 394 | else: |
| 395 | return line[start_index:delim_index] |
| 396 | |
| 397 | # Extract a number following the specified prefix. |
| 398 | def _get_following_number(self, line, prefix): |
| 399 | word = self._get_following_word(line, prefix) |
| 400 | if word is None: |
| 401 | return None |
| 402 | return float(word) |
| 403 | |
| 404 | # Extract an array of numbers following the specified prefix. |
| 405 | def _get_following_array_of_numbers(self, line, prefix): |
| 406 | prefix_index = line.find(prefix + '[') |
| 407 | if prefix_index == -1: |
| 408 | return None |
| 409 | start_index = prefix_index + len(prefix) + 1 |
| 410 | delim_index = line.find(']', start_index) |
| 411 | if delim_index == -1: |
| 412 | return None |
| 413 | |
| 414 | result = [] |
| 415 | while start_index < delim_index: |
| 416 | comma_index = line.find(', ', start_index, delim_index) |
| 417 | if comma_index == -1: |
| 418 | result.append(float(line[start_index:delim_index])) |
| 419 | break; |
| 420 | result.append(float(line[start_index:comma_index])) |
| 421 | start_index = comma_index + 2 |
| 422 | return result |
| 423 | |
| 424 | # Add a value to a time series. |
| 425 | def _append(self, timeseries, timeindex, number): |
| 426 | timeseries[0].append(timeindex) |
| 427 | timeseries[1].append(number) |
| 428 | |
| 429 | # Parse the logcat timestamp. |
| 430 | # Timestamp has the form '01-21 20:42:42.930' |
| 431 | def _parse_timestamp(self, line): |
| 432 | return datetime.strptime(line[0:18], '%m-%d %H:%M:%S.%f') |
| 433 | |
| 434 | # Notice |
| 435 | print "Window Orientation Listener plotting tool" |
| 436 | print "-----------------------------------------\n" |
| 437 | print "Please turn on the Window Orientation Listener logging in Development Settings." |
| 438 | |
| 439 | # Start adb. |
| 440 | print "Starting adb logcat.\n" |
| 441 | |
| 442 | adb = subprocess.Popen(['adb', 'logcat', '-s', '-v', 'time', 'WindowOrientationListener:V'], |
| 443 | stdout=subprocess.PIPE) |
| 444 | adbout = NonBlockingStream(adb.stdout) |
| 445 | |
| 446 | # Prepare plotter. |
| 447 | plotter = Plotter(adbout) |
| 448 | plotter.update() |
| 449 | |
| 450 | # Main loop. |
| 451 | plot.show() |