J. Richard Barnette | 384056b | 2012-04-16 11:04:46 -0700 | [diff] [blame] | 1 | # Copyright (c) 2012 The Chromium OS Authors. All rights reserved. |
Craig Harrison | 2b6c6fc | 2011-06-23 10:34:02 -0700 | [diff] [blame] | 2 | # Use of this source code is governed by a BSD-style license that can be |
| 3 | # found in the LICENSE file. |
| 4 | # |
| 5 | # Expects to be run in an environment with sudo and no interactive password |
| 6 | # prompt, such as within the Chromium OS development chroot. |
| 7 | |
Congbin Guo | a1f9cba | 2018-07-03 11:36:59 -0700 | [diff] [blame] | 8 | import ast |
| 9 | import logging |
Vadim Bendebury | b80ba59 | 2012-12-07 15:02:34 -0800 | [diff] [blame] | 10 | import os |
Congbin Guo | a1f9cba | 2018-07-03 11:36:59 -0700 | [diff] [blame] | 11 | import re |
| 12 | import time |
| 13 | import xmlrpclib |
Vadim Bendebury | b80ba59 | 2012-12-07 15:02:34 -0800 | [diff] [blame] | 14 | |
Simran Basi | 741b5d4 | 2012-05-18 11:27:15 -0700 | [diff] [blame] | 15 | from autotest_lib.client.common_lib import error |
Congbin Guo | 4242761 | 2019-02-12 10:22:06 -0800 | [diff] [blame^] | 16 | from autotest_lib.server import utils as server_utils |
Ricky Liang | c31aab3 | 2014-07-03 16:23:29 +0800 | [diff] [blame] | 17 | from autotest_lib.server.cros.servo import firmware_programmer |
Craig Harrison | 2b6c6fc | 2011-06-23 10:34:02 -0700 | [diff] [blame] | 18 | |
Kevin Cheng | a22c4a8 | 2016-10-07 14:13:25 -0700 | [diff] [blame] | 19 | # Time to wait when probing for a usb device, it takes on avg 17 seconds |
| 20 | # to do a full probe. |
| 21 | _USB_PROBE_TIMEOUT = 40 |
| 22 | |
J. Richard Barnette | 41320ee | 2013-03-11 13:00:13 -0700 | [diff] [blame] | 23 | |
Congbin Guo | 4242761 | 2019-02-12 10:22:06 -0800 | [diff] [blame^] | 24 | def _extract_image_from_tarball(tarball, dest_dir, image_candidates): |
| 25 | """Try extracting the image_candidates from the tarball. |
| 26 | |
| 27 | @param tarball: The path of the tarball. |
| 28 | @param dest_path: The path of the destination. |
| 29 | @param image_candidates: A tuple of the paths of image candidates. |
| 30 | |
| 31 | @return: The first path from the image candidates, which succeeds, or None |
| 32 | if all the image candidates fail. |
| 33 | """ |
| 34 | for image in image_candidates: |
| 35 | status = server_utils.system( |
| 36 | ('tar xf %s -C %s %s' % (tarball, dest_dir, image)), |
| 37 | timeout=60, ignore_status=True) |
| 38 | if status == 0: |
| 39 | return image |
| 40 | return None |
| 41 | |
| 42 | |
J. Richard Barnette | 0c9c588 | 2014-06-11 15:27:05 -0700 | [diff] [blame] | 43 | class _PowerStateController(object): |
| 44 | |
| 45 | """Class to provide board-specific power operations. |
| 46 | |
| 47 | This class is responsible for "power on" and "power off" |
| 48 | operations that can operate without making assumptions in |
| 49 | advance about board state. It offers an interface that |
| 50 | abstracts out the different sequences required for different |
| 51 | board types. |
| 52 | |
| 53 | """ |
| 54 | |
| 55 | # Constants acceptable to be passed for the `rec_mode` parameter |
| 56 | # to power_on(). |
| 57 | # |
| 58 | # REC_ON: Boot the DUT in recovery mode, i.e. boot from USB or |
| 59 | # SD card. |
| 60 | # REC_OFF: Boot in normal mode, i.e. boot from internal storage. |
| 61 | |
| 62 | REC_ON = 'rec' |
| 63 | REC_OFF = 'on' |
Shelley Chen | 6593862 | 2018-05-16 07:45:54 -0700 | [diff] [blame] | 64 | REC_ON_FORCE_MRC = 'rec_force_mrc' |
J. Richard Barnette | 0c9c588 | 2014-06-11 15:27:05 -0700 | [diff] [blame] | 65 | |
| 66 | # Delay in seconds needed between asserting and de-asserting |
| 67 | # warm reset. |
| 68 | _RESET_HOLD_TIME = 0.5 |
| 69 | |
| 70 | def __init__(self, servo): |
| 71 | """Initialize the power state control. |
| 72 | |
| 73 | @param servo Servo object providing the underlying `set` and `get` |
| 74 | methods for the target controls. |
| 75 | |
| 76 | """ |
| 77 | self._servo = servo |
| 78 | |
| 79 | def reset(self): |
| 80 | """Force the DUT to reset. |
| 81 | |
| 82 | The DUT is guaranteed to be on at the end of this call, |
| 83 | regardless of its previous state, provided that there is |
| 84 | working OS software. This also guarantees that the EC has |
| 85 | been restarted. |
| 86 | |
| 87 | """ |
| 88 | self._servo.set_nocheck('power_state', 'reset') |
| 89 | |
| 90 | def warm_reset(self): |
| 91 | """Apply warm reset to the DUT. |
| 92 | |
| 93 | This asserts, then de-asserts the 'warm_reset' signal. |
| 94 | Generally, this causes the board to restart. |
| 95 | |
| 96 | """ |
| 97 | self._servo.set_get_all(['warm_reset:on', |
| 98 | 'sleep:%.4f' % self._RESET_HOLD_TIME, |
| 99 | 'warm_reset:off']) |
| 100 | |
J. Richard Barnette | 0c9c588 | 2014-06-11 15:27:05 -0700 | [diff] [blame] | 101 | def power_off(self): |
| 102 | """Force the DUT to power off. |
| 103 | |
| 104 | The DUT is guaranteed to be off at the end of this call, |
| 105 | regardless of its previous state, provided that there is |
| 106 | working EC and boot firmware. There is no requirement for |
| 107 | working OS software. |
| 108 | |
| 109 | """ |
| 110 | self._servo.set_nocheck('power_state', 'off') |
| 111 | |
| 112 | def power_on(self, rec_mode=REC_OFF): |
| 113 | """Force the DUT to power on. |
| 114 | |
| 115 | Prior to calling this function, the DUT must be powered off, |
| 116 | e.g. with a call to `power_off()`. |
| 117 | |
| 118 | At power on, recovery mode is set as specified by the |
| 119 | corresponding argument. When booting with recovery mode on, it |
| 120 | is the caller's responsibility to unplug/plug in a bootable |
| 121 | external storage device. |
| 122 | |
| 123 | If the DUT requires a delay after powering on but before |
| 124 | processing inputs such as USB stick insertion, the delay is |
| 125 | handled by this method; the caller is not responsible for such |
| 126 | delays. |
| 127 | |
| 128 | @param rec_mode Setting of recovery mode to be applied at |
| 129 | power on. default: REC_OFF aka 'off' |
| 130 | |
| 131 | """ |
| 132 | self._servo.set_nocheck('power_state', rec_mode) |
| 133 | |
| 134 | |
Congbin Guo | a1f9cba | 2018-07-03 11:36:59 -0700 | [diff] [blame] | 135 | class _Uart(object): |
| 136 | """Class to capture CPU/EC UART streams.""" |
| 137 | def __init__(self, servo): |
| 138 | self._servo = servo |
| 139 | self._streams = [] |
| 140 | |
| 141 | def start_capture(self): |
| 142 | """Start capturing Uart streams.""" |
| 143 | logging.debug('Start capturing CPU/EC UART.') |
| 144 | self._servo.set('cpu_uart_capture', 'on') |
| 145 | self._streams.append(('cpu_uart_stream', 'cpu_uart.log')) |
| 146 | try: |
| 147 | self._servo.set('ec_uart_capture', 'on') |
| 148 | self._streams.append(('ec_uart_stream', 'ec_uart.log')) |
| 149 | except error.TestFail as err: |
| 150 | if 'No control named' in str(err): |
| 151 | logging.debug('The servod is too old that ec_uart_capture not ' |
| 152 | 'supported.') |
| 153 | |
| 154 | def dump(self, output_dir): |
| 155 | """Dump UART streams to log files accordingly. |
| 156 | |
| 157 | @param output_dir: A string of output directory name. |
| 158 | """ |
| 159 | for stream, logfile in self._streams: |
| 160 | logfile_fullname = os.path.join(output_dir, logfile) |
| 161 | try: |
| 162 | content = self._servo.get(stream) |
| 163 | except Exception as err: |
| 164 | logging.warn('Failed to get UART log for %s: %s', stream, err) |
| 165 | continue |
| 166 | |
| 167 | # The UART stream may contain non-printable characters, and servo |
| 168 | # returns it in string representation. We use `ast.leteral_eval` |
| 169 | # to revert it back. |
| 170 | with open(logfile_fullname, 'a') as fd: |
| 171 | fd.write(ast.literal_eval(content)) |
| 172 | |
| 173 | def stop_capture(self): |
| 174 | """Stop capturing UART streams.""" |
| 175 | logging.debug('Stop capturing CPU/EC UART.') |
| 176 | for uart in ('cpu_uart_capture', 'ec_uart_capture'): |
| 177 | try: |
| 178 | self._servo.set(uart, 'off') |
| 179 | except error.TestFail as err: |
| 180 | if 'No control named' in str(err): |
| 181 | logging.debug('The servod is too old that %s not ' |
| 182 | 'supported.', uart) |
| 183 | except Exception as err: |
| 184 | logging.warn('Failed to stop UART logging for %s: %s', uart, |
| 185 | err) |
| 186 | |
| 187 | |
J. Richard Barnette | 384056b | 2012-04-16 11:04:46 -0700 | [diff] [blame] | 188 | class Servo(object): |
J. Richard Barnette | 41320ee | 2013-03-11 13:00:13 -0700 | [diff] [blame] | 189 | |
Craig Harrison | 2b6c6fc | 2011-06-23 10:34:02 -0700 | [diff] [blame] | 190 | """Manages control of a Servo board. |
| 191 | |
| 192 | Servo is a board developed by hardware group to aide in the debug and |
| 193 | control of various partner devices. Servo's features include the simulation |
| 194 | of pressing the power button, closing the lid, and pressing Ctrl-d. This |
| 195 | class manages setting up and communicating with a servo demon (servod) |
| 196 | process. It provides both high-level functions for common servo tasks and |
| 197 | low-level functions for directly setting and reading gpios. |
J. Richard Barnette | 41320ee | 2013-03-11 13:00:13 -0700 | [diff] [blame] | 198 | |
Craig Harrison | 2b6c6fc | 2011-06-23 10:34:02 -0700 | [diff] [blame] | 199 | """ |
| 200 | |
Chrome Bot | 9a1137d | 2011-07-19 14:35:00 -0700 | [diff] [blame] | 201 | # Power button press delays in seconds. |
J. Richard Barnette | d2e4cbd | 2012-06-29 12:18:40 -0700 | [diff] [blame] | 202 | # |
J. Richard Barnette | 5383f07 | 2012-07-26 17:35:40 -0700 | [diff] [blame] | 203 | # The EC specification says that 8.0 seconds should be enough |
| 204 | # for the long power press. However, some platforms need a bit |
| 205 | # more time. Empirical testing has found these requirements: |
| 206 | # Alex: 8.2 seconds |
| 207 | # ZGB: 8.5 seconds |
| 208 | # The actual value is set to the largest known necessary value. |
| 209 | # |
| 210 | # TODO(jrbarnette) Being generous is the right thing to do for |
| 211 | # existing platforms, but if this code is to be used for |
| 212 | # qualification of new hardware, we should be less generous. |
Chrome Bot | 9a1137d | 2011-07-19 14:35:00 -0700 | [diff] [blame] | 213 | SHORT_DELAY = 0.1 |
J. Richard Barnette | 5383f07 | 2012-07-26 17:35:40 -0700 | [diff] [blame] | 214 | |
Todd Broch | 31c8250 | 2011-08-29 08:14:39 -0700 | [diff] [blame] | 215 | # Maximum number of times to re-read power button on release. |
Todd Broch | cf7c665 | 2012-02-24 13:03:59 -0800 | [diff] [blame] | 216 | GET_RETRY_MAX = 10 |
Chrome Bot | 9a1137d | 2011-07-19 14:35:00 -0700 | [diff] [blame] | 217 | |
J. Richard Barnette | 5383f07 | 2012-07-26 17:35:40 -0700 | [diff] [blame] | 218 | # Delays to deal with DUT state transitions. |
Chrome Bot | 9a1137d | 2011-07-19 14:35:00 -0700 | [diff] [blame] | 219 | SLEEP_DELAY = 6 |
| 220 | BOOT_DELAY = 10 |
J. Richard Barnette | 41320ee | 2013-03-11 13:00:13 -0700 | [diff] [blame] | 221 | |
J. Richard Barnette | 41320ee | 2013-03-11 13:00:13 -0700 | [diff] [blame] | 222 | # Default minimum time interval between 'press' and 'release' |
| 223 | # keyboard events. |
Vic Yang | 0aca1c2 | 2012-11-19 18:33:56 -0800 | [diff] [blame] | 224 | SERVO_KEY_PRESS_DELAY = 0.1 |
Craig Harrison | 2b6c6fc | 2011-06-23 10:34:02 -0700 | [diff] [blame] | 225 | |
Tom Wai-Hong Tam | 93b5c09 | 2015-05-14 02:50:43 +0800 | [diff] [blame] | 226 | # Time to toggle recovery switch on and off. |
| 227 | REC_TOGGLE_DELAY = 0.1 |
| 228 | |
Tom Wai-Hong Tam | f9ded09 | 2015-05-20 05:37:22 +0800 | [diff] [blame] | 229 | # Time to toggle development switch on and off. |
| 230 | DEV_TOGGLE_DELAY = 0.1 |
| 231 | |
Jon Salz | c88e5b6 | 2011-11-30 14:38:54 +0800 | [diff] [blame] | 232 | # Time between an usb disk plugged-in and detected in the system. |
| 233 | USB_DETECTION_DELAY = 10 |
Vadim Bendebury | e7bd936 | 2012-12-19 14:35:20 -0800 | [diff] [blame] | 234 | # Time to keep USB power off before and after USB mux direction is changed |
| 235 | USB_POWEROFF_DELAY = 2 |
Jon Salz | c88e5b6 | 2011-11-30 14:38:54 +0800 | [diff] [blame] | 236 | |
Simran Basi | b7850bb | 2013-07-24 12:33:42 -0700 | [diff] [blame] | 237 | # Time to wait before timing out on servo initialization. |
| 238 | INIT_TIMEOUT_SECS = 10 |
Simran Basi | 5933134 | 2013-07-12 12:06:29 -0700 | [diff] [blame] | 239 | |
J. Richard Barnette | 67ccb87 | 2012-04-19 16:34:56 -0700 | [diff] [blame] | 240 | |
Ricky Liang | 0dd379c | 2014-04-23 16:29:08 +0800 | [diff] [blame] | 241 | def __init__(self, servo_host, servo_serial=None): |
Craig Harrison | 2b6c6fc | 2011-06-23 10:34:02 -0700 | [diff] [blame] | 242 | """Sets up the servo communication infrastructure. |
| 243 | |
Fang Deng | 5d518f4 | 2013-08-02 14:04:32 -0700 | [diff] [blame] | 244 | @param servo_host: A ServoHost object representing |
| 245 | the host running servod. |
Ricky Liang | 0dd379c | 2014-04-23 16:29:08 +0800 | [diff] [blame] | 246 | @param servo_serial: Serial number of the servo board. |
Craig Harrison | 2b6c6fc | 2011-06-23 10:34:02 -0700 | [diff] [blame] | 247 | """ |
Fang Deng | 5d518f4 | 2013-08-02 14:04:32 -0700 | [diff] [blame] | 248 | # TODO(fdeng): crbug.com/298379 |
| 249 | # We should move servo_host object out of servo object |
| 250 | # to minimize the dependencies on the rest of Autotest. |
| 251 | self._servo_host = servo_host |
Ricky Liang | 0dd379c | 2014-04-23 16:29:08 +0800 | [diff] [blame] | 252 | self._servo_serial = servo_serial |
Richard Barnette | 180efe6 | 2016-12-02 23:20:44 +0000 | [diff] [blame] | 253 | self._server = servo_host.get_servod_server_proxy() |
J. Richard Barnette | 0c9c588 | 2014-06-11 15:27:05 -0700 | [diff] [blame] | 254 | self._power_state = _PowerStateController(self) |
Congbin Guo | a1f9cba | 2018-07-03 11:36:59 -0700 | [diff] [blame] | 255 | self._uart = _Uart(self) |
Fang Deng | afb8814 | 2013-05-30 17:44:31 -0700 | [diff] [blame] | 256 | self._usb_state = None |
J. Richard Barnette | 8f19b39 | 2014-08-11 14:05:39 -0700 | [diff] [blame] | 257 | self._programmer = None |
Yusuf Mohsinally | 6c078ae | 2013-11-21 11:06:42 -0800 | [diff] [blame] | 258 | |
Gediminas Ramanauskas | ba352ad | 2012-11-09 09:43:32 -0800 | [diff] [blame] | 259 | |
Ricky Liang | 0dd379c | 2014-04-23 16:29:08 +0800 | [diff] [blame] | 260 | @property |
| 261 | def servo_serial(self): |
| 262 | """Returns the serial number of the servo board.""" |
| 263 | return self._servo_serial |
| 264 | |
| 265 | |
Tom Wai-Hong Tam | 22ee0e5 | 2013-04-03 13:36:39 +0800 | [diff] [blame] | 266 | def get_power_state_controller(self): |
J. Richard Barnette | 75136b3 | 2013-03-26 13:38:44 -0700 | [diff] [blame] | 267 | """Return the power state controller for this Servo. |
| 268 | |
| 269 | The power state controller provides board-independent |
| 270 | interfaces for reset, power-on, power-off operations. |
| 271 | |
| 272 | """ |
| 273 | return self._power_state |
| 274 | |
Fang Deng | 5d518f4 | 2013-08-02 14:04:32 -0700 | [diff] [blame] | 275 | |
J. Richard Barnette | b613397 | 2012-07-19 17:13:55 -0700 | [diff] [blame] | 276 | def initialize_dut(self, cold_reset=False): |
| 277 | """Initializes a dut for testing purposes. |
| 278 | |
| 279 | This sets various servo signals back to default values |
| 280 | appropriate for the target board. By default, if the DUT |
| 281 | is already on, it stays on. If the DUT is powered off |
| 282 | before initialization, its state afterward is unspecified. |
| 283 | |
J. Richard Barnette | b613397 | 2012-07-19 17:13:55 -0700 | [diff] [blame] | 284 | Rationale: Basic initialization of servo sets the lid open, |
| 285 | when there is a lid. This operation won't affect powered on |
| 286 | units; however, setting the lid open may power on a unit |
J. Richard Barnette | 75136b3 | 2013-03-26 13:38:44 -0700 | [diff] [blame] | 287 | that's off, depending on the board type and previous state |
| 288 | of the device. |
| 289 | |
J. Richard Barnette | 4b6af0d | 2014-06-05 09:57:20 -0700 | [diff] [blame] | 290 | If `cold_reset` is a true value, the DUT and its EC will be |
| 291 | reset, and the DUT rebooted in normal mode. |
J. Richard Barnette | b613397 | 2012-07-19 17:13:55 -0700 | [diff] [blame] | 292 | |
| 293 | @param cold_reset If True, cold reset the device after |
| 294 | initialization. |
| 295 | """ |
| 296 | self._server.hwinit() |
J. Richard Barnette | 8f19b39 | 2014-08-11 14:05:39 -0700 | [diff] [blame] | 297 | self.set('usb_mux_oe1', 'on') |
J. Richard Barnette | cdd1edf | 2015-07-24 11:39:46 -0700 | [diff] [blame] | 298 | self._usb_state = None |
J. Richard Barnette | 8f19b39 | 2014-08-11 14:05:39 -0700 | [diff] [blame] | 299 | self.switch_usbkey('off') |
Congbin Guo | a1f9cba | 2018-07-03 11:36:59 -0700 | [diff] [blame] | 300 | self._uart.start_capture() |
J. Richard Barnette | b613397 | 2012-07-19 17:13:55 -0700 | [diff] [blame] | 301 | if cold_reset: |
J. Richard Barnette | 4b6af0d | 2014-06-05 09:57:20 -0700 | [diff] [blame] | 302 | self._power_state.reset() |
J. Richard Barnette | 1777f5d | 2014-09-03 15:18:19 -0700 | [diff] [blame] | 303 | logging.debug('Servo initialized, version is %s', |
| 304 | self._server.get_version()) |
Craig Harrison | 2b6c6fc | 2011-06-23 10:34:02 -0700 | [diff] [blame] | 305 | |
| 306 | |
Tom Wai-Hong Tam | 1c86c7a | 2012-10-22 10:08:24 +0800 | [diff] [blame] | 307 | def is_localhost(self): |
| 308 | """Is the servod hosted locally? |
| 309 | |
| 310 | Returns: |
| 311 | True if local hosted; otherwise, False. |
| 312 | """ |
Fang Deng | 5d518f4 | 2013-08-02 14:04:32 -0700 | [diff] [blame] | 313 | return self._servo_host.is_localhost() |
Tom Wai-Hong Tam | 1c86c7a | 2012-10-22 10:08:24 +0800 | [diff] [blame] | 314 | |
| 315 | |
Craig Harrison | 2b6c6fc | 2011-06-23 10:34:02 -0700 | [diff] [blame] | 316 | def power_long_press(self): |
Chrome Bot | 9a1137d | 2011-07-19 14:35:00 -0700 | [diff] [blame] | 317 | """Simulate a long power button press.""" |
J. Richard Barnette | f12bff2 | 2012-07-18 14:41:06 -0700 | [diff] [blame] | 318 | # After a long power press, the EC may ignore the next power |
| 319 | # button press (at least on Alex). To guarantee that this |
| 320 | # won't happen, we need to allow the EC one second to |
| 321 | # collect itself. |
Yusuf Mohsinally | 103441a | 2014-01-14 15:25:44 -0800 | [diff] [blame] | 322 | self._server.power_long_press() |
Craig Harrison | 2b6c6fc | 2011-06-23 10:34:02 -0700 | [diff] [blame] | 323 | |
| 324 | |
| 325 | def power_normal_press(self): |
Chrome Bot | 9a1137d | 2011-07-19 14:35:00 -0700 | [diff] [blame] | 326 | """Simulate a normal power button press.""" |
Yusuf Mohsinally | 103441a | 2014-01-14 15:25:44 -0800 | [diff] [blame] | 327 | self._server.power_normal_press() |
Craig Harrison | 2b6c6fc | 2011-06-23 10:34:02 -0700 | [diff] [blame] | 328 | |
| 329 | |
| 330 | def power_short_press(self): |
Chrome Bot | 9a1137d | 2011-07-19 14:35:00 -0700 | [diff] [blame] | 331 | """Simulate a short power button press.""" |
Yusuf Mohsinally | 103441a | 2014-01-14 15:25:44 -0800 | [diff] [blame] | 332 | self._server.power_short_press() |
Craig Harrison | 2b6c6fc | 2011-06-23 10:34:02 -0700 | [diff] [blame] | 333 | |
| 334 | |
Yusuf Mohsinally | 103441a | 2014-01-14 15:25:44 -0800 | [diff] [blame] | 335 | def power_key(self, press_secs=''): |
Craig Harrison | 2b6c6fc | 2011-06-23 10:34:02 -0700 | [diff] [blame] | 336 | """Simulate a power button press. |
| 337 | |
Yusuf Mohsinally | 103441a | 2014-01-14 15:25:44 -0800 | [diff] [blame] | 338 | @param press_secs : Str. Time to press key. |
Craig Harrison | 2b6c6fc | 2011-06-23 10:34:02 -0700 | [diff] [blame] | 339 | """ |
Yusuf Mohsinally | 103441a | 2014-01-14 15:25:44 -0800 | [diff] [blame] | 340 | self._server.power_key(press_secs) |
Craig Harrison | 2b6c6fc | 2011-06-23 10:34:02 -0700 | [diff] [blame] | 341 | |
| 342 | |
| 343 | def lid_open(self): |
Yuli Huang | 7b82dcf | 2015-05-13 17:58:52 +0800 | [diff] [blame] | 344 | """Simulate opening the lid and raise exception if all attempts fail""" |
| 345 | self.set('lid_open', 'yes') |
Craig Harrison | 2b6c6fc | 2011-06-23 10:34:02 -0700 | [diff] [blame] | 346 | |
| 347 | |
| 348 | def lid_close(self): |
Yuli Huang | 7b82dcf | 2015-05-13 17:58:52 +0800 | [diff] [blame] | 349 | """Simulate closing the lid and raise exception if all attempts fail |
Craig Harrison | 4899726 | 2011-06-27 14:31:10 -0700 | [diff] [blame] | 350 | |
| 351 | Waits 6 seconds to ensure the device is fully asleep before returning. |
| 352 | """ |
Yuli Huang | 7b82dcf | 2015-05-13 17:58:52 +0800 | [diff] [blame] | 353 | self.set('lid_open', 'no') |
Chrome Bot | 9a1137d | 2011-07-19 14:35:00 -0700 | [diff] [blame] | 354 | time.sleep(Servo.SLEEP_DELAY) |
Craig Harrison | 2b6c6fc | 2011-06-23 10:34:02 -0700 | [diff] [blame] | 355 | |
Shelley Chen | c26575a | 2015-09-18 10:56:16 -0700 | [diff] [blame] | 356 | def volume_up(self, timeout=300): |
Kevin Cheng | e448a8b | 2016-09-09 10:18:11 -0700 | [diff] [blame] | 357 | """Simulate pushing the volume down button. |
| 358 | |
| 359 | @param timeout: Timeout for setting the volume. |
| 360 | """ |
Shelley Chen | c26575a | 2015-09-18 10:56:16 -0700 | [diff] [blame] | 361 | self.set_get_all(['volume_up:yes', |
| 362 | 'sleep:%.4f' % self.SERVO_KEY_PRESS_DELAY, |
| 363 | 'volume_up:no']) |
| 364 | # we need to wait for commands to take effect before moving on |
| 365 | time_left = float(timeout) |
| 366 | while time_left > 0.0: |
| 367 | value = self.get('volume_up') |
| 368 | if value == 'no': |
| 369 | return |
| 370 | time.sleep(self.SHORT_DELAY) |
| 371 | time_left = time_left - self.SHORT_DELAY |
| 372 | raise error.TestFail("Failed setting volume_up to no") |
| 373 | |
| 374 | def volume_down(self, timeout=300): |
Kevin Cheng | e448a8b | 2016-09-09 10:18:11 -0700 | [diff] [blame] | 375 | """Simulate pushing the volume down button. |
| 376 | |
| 377 | @param timeout: Timeout for setting the volume. |
| 378 | """ |
Shelley Chen | c26575a | 2015-09-18 10:56:16 -0700 | [diff] [blame] | 379 | self.set_get_all(['volume_down:yes', |
| 380 | 'sleep:%.4f' % self.SERVO_KEY_PRESS_DELAY, |
| 381 | 'volume_down:no']) |
| 382 | # we need to wait for commands to take effect before moving on |
| 383 | time_left = float(timeout) |
| 384 | while time_left > 0.0: |
| 385 | value = self.get('volume_down') |
| 386 | if value == 'no': |
| 387 | return |
| 388 | time.sleep(self.SHORT_DELAY) |
| 389 | time_left = time_left - self.SHORT_DELAY |
| 390 | raise error.TestFail("Failed setting volume_down to no") |
Craig Harrison | 2b6c6fc | 2011-06-23 10:34:02 -0700 | [diff] [blame] | 391 | |
Yusuf Mohsinally | 103441a | 2014-01-14 15:25:44 -0800 | [diff] [blame] | 392 | def ctrl_d(self, press_secs=''): |
| 393 | """Simulate Ctrl-d simultaneous button presses. |
Gediminas Ramanauskas | ba352ad | 2012-11-09 09:43:32 -0800 | [diff] [blame] | 394 | |
Yusuf Mohsinally | 103441a | 2014-01-14 15:25:44 -0800 | [diff] [blame] | 395 | @param press_secs : Str. Time to press key. |
Gediminas Ramanauskas | ba352ad | 2012-11-09 09:43:32 -0800 | [diff] [blame] | 396 | """ |
Yusuf Mohsinally | 103441a | 2014-01-14 15:25:44 -0800 | [diff] [blame] | 397 | self._server.ctrl_d(press_secs) |
Gediminas Ramanauskas | 9da80f2 | 2012-11-14 12:59:43 -0800 | [diff] [blame] | 398 | |
Gediminas Ramanauskas | ba352ad | 2012-11-09 09:43:32 -0800 | [diff] [blame] | 399 | |
Yusuf Mohsinally | 103441a | 2014-01-14 15:25:44 -0800 | [diff] [blame] | 400 | def ctrl_u(self): |
| 401 | """Simulate Ctrl-u simultaneous button presses. |
| 402 | |
| 403 | @param press_secs : Str. Time to press key. |
| 404 | """ |
| 405 | self._server.ctrl_u() |
Todd Broch | 9dfc3a8 | 2011-11-01 08:09:28 -0700 | [diff] [blame] | 406 | |
| 407 | |
Yusuf Mohsinally | 103441a | 2014-01-14 15:25:44 -0800 | [diff] [blame] | 408 | def ctrl_enter(self, press_secs=''): |
| 409 | """Simulate Ctrl-enter simultaneous button presses. |
| 410 | |
| 411 | @param press_secs : Str. Time to press key. |
| 412 | """ |
| 413 | self._server.ctrl_enter(press_secs) |
Gediminas Ramanauskas | 3297d4f | 2012-09-10 15:30:10 -0700 | [diff] [blame] | 414 | |
| 415 | |
Yusuf Mohsinally | 103441a | 2014-01-14 15:25:44 -0800 | [diff] [blame] | 416 | def d_key(self, press_secs=''): |
| 417 | """Simulate Enter key button press. |
| 418 | |
| 419 | @param press_secs : Str. Time to press key. |
| 420 | """ |
| 421 | self._server.d_key(press_secs) |
Todd Broch | 9dfc3a8 | 2011-11-01 08:09:28 -0700 | [diff] [blame] | 422 | |
| 423 | |
Yusuf Mohsinally | 103441a | 2014-01-14 15:25:44 -0800 | [diff] [blame] | 424 | def ctrl_key(self, press_secs=''): |
| 425 | """Simulate Enter key button press. |
| 426 | |
| 427 | @param press_secs : Str. Time to press key. |
| 428 | """ |
| 429 | self._server.ctrl_key(press_secs) |
Todd Broch | 9753bd4 | 2012-03-21 10:15:08 -0700 | [diff] [blame] | 430 | |
| 431 | |
Yusuf Mohsinally | 103441a | 2014-01-14 15:25:44 -0800 | [diff] [blame] | 432 | def enter_key(self, press_secs=''): |
| 433 | """Simulate Enter key button press. |
| 434 | |
| 435 | @param press_secs : Str. Time to press key. |
| 436 | """ |
| 437 | self._server.enter_key(press_secs) |
Todd Broch | 9dfc3a8 | 2011-11-01 08:09:28 -0700 | [diff] [blame] | 438 | |
| 439 | |
Yusuf Mohsinally | 103441a | 2014-01-14 15:25:44 -0800 | [diff] [blame] | 440 | def refresh_key(self, press_secs=''): |
| 441 | """Simulate Refresh key (F3) button press. |
| 442 | |
| 443 | @param press_secs : Str. Time to press key. |
| 444 | """ |
| 445 | self._server.refresh_key(press_secs) |
Craig Harrison | 2b6c6fc | 2011-06-23 10:34:02 -0700 | [diff] [blame] | 446 | |
| 447 | |
Yusuf Mohsinally | 103441a | 2014-01-14 15:25:44 -0800 | [diff] [blame] | 448 | def ctrl_refresh_key(self, press_secs=''): |
Tom Wai-Hong Tam | 9e61e66 | 2012-08-01 15:10:07 +0800 | [diff] [blame] | 449 | """Simulate Ctrl and Refresh (F3) simultaneous press. |
| 450 | |
| 451 | This key combination is an alternative of Space key. |
Yusuf Mohsinally | 103441a | 2014-01-14 15:25:44 -0800 | [diff] [blame] | 452 | |
| 453 | @param press_secs : Str. Time to press key. |
Tom Wai-Hong Tam | 9e61e66 | 2012-08-01 15:10:07 +0800 | [diff] [blame] | 454 | """ |
Yusuf Mohsinally | 103441a | 2014-01-14 15:25:44 -0800 | [diff] [blame] | 455 | self._server.ctrl_refresh_key(press_secs) |
Tom Wai-Hong Tam | 9e61e66 | 2012-08-01 15:10:07 +0800 | [diff] [blame] | 456 | |
| 457 | |
Yusuf Mohsinally | 103441a | 2014-01-14 15:25:44 -0800 | [diff] [blame] | 458 | def imaginary_key(self, press_secs=''): |
Craig Harrison | 2b6c6fc | 2011-06-23 10:34:02 -0700 | [diff] [blame] | 459 | """Simulate imaginary key button press. |
| 460 | |
| 461 | Maps to a key that doesn't physically exist. |
Yusuf Mohsinally | 103441a | 2014-01-14 15:25:44 -0800 | [diff] [blame] | 462 | |
| 463 | @param press_secs : Str. Time to press key. |
Craig Harrison | 2b6c6fc | 2011-06-23 10:34:02 -0700 | [diff] [blame] | 464 | """ |
Yusuf Mohsinally | 103441a | 2014-01-14 15:25:44 -0800 | [diff] [blame] | 465 | self._server.imaginary_key(press_secs) |
Craig Harrison | 2b6c6fc | 2011-06-23 10:34:02 -0700 | [diff] [blame] | 466 | |
| 467 | |
Vincent Palatin | e7dc928 | 2016-07-14 11:31:58 +0200 | [diff] [blame] | 468 | def sysrq_x(self, press_secs=''): |
| 469 | """Simulate Alt VolumeUp X simulataneous press. |
| 470 | |
| 471 | This key combination is the kernel system request (sysrq) X. |
| 472 | |
| 473 | @param press_secs : Str. Time to press key. |
| 474 | """ |
| 475 | self._server.sysrq_x(press_secs) |
| 476 | |
| 477 | |
Tom Wai-Hong Tam | 93b5c09 | 2015-05-14 02:50:43 +0800 | [diff] [blame] | 478 | def toggle_recovery_switch(self): |
| 479 | """Toggle recovery switch on and off.""" |
| 480 | self.enable_recovery_mode() |
| 481 | time.sleep(self.REC_TOGGLE_DELAY) |
| 482 | self.disable_recovery_mode() |
| 483 | |
| 484 | |
Craig Harrison | 6b36b12 | 2011-06-28 17:58:43 -0700 | [diff] [blame] | 485 | def enable_recovery_mode(self): |
| 486 | """Enable recovery mode on device.""" |
| 487 | self.set('rec_mode', 'on') |
| 488 | |
| 489 | |
| 490 | def disable_recovery_mode(self): |
| 491 | """Disable recovery mode on device.""" |
| 492 | self.set('rec_mode', 'off') |
| 493 | |
| 494 | |
Tom Wai-Hong Tam | f9ded09 | 2015-05-20 05:37:22 +0800 | [diff] [blame] | 495 | def toggle_development_switch(self): |
| 496 | """Toggle development switch on and off.""" |
| 497 | self.enable_development_mode() |
| 498 | time.sleep(self.DEV_TOGGLE_DELAY) |
| 499 | self.disable_development_mode() |
| 500 | |
| 501 | |
Craig Harrison | 6b36b12 | 2011-06-28 17:58:43 -0700 | [diff] [blame] | 502 | def enable_development_mode(self): |
| 503 | """Enable development mode on device.""" |
| 504 | self.set('dev_mode', 'on') |
| 505 | |
| 506 | |
| 507 | def disable_development_mode(self): |
| 508 | """Disable development mode on device.""" |
| 509 | self.set('dev_mode', 'off') |
| 510 | |
Craig Harrison | 2b6c6fc | 2011-06-23 10:34:02 -0700 | [diff] [blame] | 511 | def boot_devmode(self): |
| 512 | """Boot a dev-mode device that is powered off.""" |
Tom Wai-Hong Tam | 2386910 | 2012-01-17 15:41:30 +0800 | [diff] [blame] | 513 | self.power_short_press() |
Craig Harrison | 4899726 | 2011-06-27 14:31:10 -0700 | [diff] [blame] | 514 | self.pass_devmode() |
| 515 | |
| 516 | |
| 517 | def pass_devmode(self): |
| 518 | """Pass through boot screens in dev-mode.""" |
Chrome Bot | 9a1137d | 2011-07-19 14:35:00 -0700 | [diff] [blame] | 519 | time.sleep(Servo.BOOT_DELAY) |
Craig Harrison | 2b6c6fc | 2011-06-23 10:34:02 -0700 | [diff] [blame] | 520 | self.ctrl_d() |
Chrome Bot | 9a1137d | 2011-07-19 14:35:00 -0700 | [diff] [blame] | 521 | time.sleep(Servo.BOOT_DELAY) |
Craig Harrison | 4899726 | 2011-06-27 14:31:10 -0700 | [diff] [blame] | 522 | |
Craig Harrison | 2b6c6fc | 2011-06-23 10:34:02 -0700 | [diff] [blame] | 523 | |
Yusuf Mohsinally | 6c078ae | 2013-11-21 11:06:42 -0800 | [diff] [blame] | 524 | def get_board(self): |
Wai-Hong Tam | 0f90400 | 2017-09-19 15:52:22 -0700 | [diff] [blame] | 525 | """Get the board connected to servod.""" |
Yusuf Mohsinally | 6c078ae | 2013-11-21 11:06:42 -0800 | [diff] [blame] | 526 | return self._server.get_board() |
| 527 | |
| 528 | |
Wai-Hong Tam | 0f90400 | 2017-09-19 15:52:22 -0700 | [diff] [blame] | 529 | def get_base_board(self): |
| 530 | """Get the board of the base connected to servod.""" |
Wai-Hong Tam | 7f6169e | 2017-09-29 09:23:48 -0700 | [diff] [blame] | 531 | try: |
| 532 | return self._server.get_base_board() |
| 533 | except xmlrpclib.Fault as e: |
| 534 | # TODO(waihong): Remove the following compatibility check when |
| 535 | # the new versions of hdctools are deployed. |
| 536 | if 'not supported' in str(e): |
| 537 | logging.warning('The servod is too old that get_base_board ' |
| 538 | 'not supported.') |
| 539 | return '' |
| 540 | raise |
Wai-Hong Tam | 0f90400 | 2017-09-19 15:52:22 -0700 | [diff] [blame] | 541 | |
| 542 | |
Wai-Hong Tam | cc399ee | 2017-12-08 12:43:28 -0800 | [diff] [blame] | 543 | def get_ec_active_copy(self): |
| 544 | """Get the active copy of the EC image.""" |
| 545 | return self.get('ec_active_copy') |
| 546 | |
| 547 | |
Todd Broch | efe72cb | 2012-07-11 19:58:53 -0700 | [diff] [blame] | 548 | def _get_xmlrpclib_exception(self, xmlexc): |
| 549 | """Get meaningful exception string from xmlrpc. |
| 550 | |
| 551 | Args: |
| 552 | xmlexc: xmlrpclib.Fault object |
| 553 | |
| 554 | xmlrpclib.Fault.faultString has the following format: |
| 555 | |
| 556 | <type 'exception type'>:'actual error message' |
| 557 | |
| 558 | Parse and return the real exception from the servod side instead of the |
| 559 | less meaningful one like, |
| 560 | <Fault 1: "<type 'exceptions.AttributeError'>:'tca6416' object has no |
| 561 | attribute 'hw_driver'"> |
| 562 | |
| 563 | Returns: |
| 564 | string of underlying exception raised in servod. |
| 565 | """ |
| 566 | return re.sub('^.*>:', '', xmlexc.faultString) |
| 567 | |
| 568 | |
Craig Harrison | 2b6c6fc | 2011-06-23 10:34:02 -0700 | [diff] [blame] | 569 | def get(self, gpio_name): |
J. Richard Barnette | cdd1edf | 2015-07-24 11:39:46 -0700 | [diff] [blame] | 570 | """Get the value of a gpio from Servod. |
| 571 | |
| 572 | @param gpio_name Name of the gpio. |
| 573 | """ |
Craig Harrison | 2b6c6fc | 2011-06-23 10:34:02 -0700 | [diff] [blame] | 574 | assert gpio_name |
Todd Broch | efe72cb | 2012-07-11 19:58:53 -0700 | [diff] [blame] | 575 | try: |
Simran Basi | 1cbc5f2 | 2013-07-17 14:23:58 -0700 | [diff] [blame] | 576 | return self._server.get(gpio_name) |
Todd Broch | efe72cb | 2012-07-11 19:58:53 -0700 | [diff] [blame] | 577 | except xmlrpclib.Fault as e: |
| 578 | err_msg = "Getting '%s' :: %s" % \ |
| 579 | (gpio_name, self._get_xmlrpclib_exception(e)) |
| 580 | raise error.TestFail(err_msg) |
Craig Harrison | 2b6c6fc | 2011-06-23 10:34:02 -0700 | [diff] [blame] | 581 | |
| 582 | |
| 583 | def set(self, gpio_name, gpio_value): |
J. Richard Barnette | cdd1edf | 2015-07-24 11:39:46 -0700 | [diff] [blame] | 584 | """Set and check the value of a gpio using Servod. |
| 585 | |
| 586 | @param gpio_name Name of the gpio. |
| 587 | @param gpio_value New setting for the gpio. |
| 588 | """ |
Chrome Bot | 9a1137d | 2011-07-19 14:35:00 -0700 | [diff] [blame] | 589 | self.set_nocheck(gpio_name, gpio_value) |
Todd Broch | cf7c665 | 2012-02-24 13:03:59 -0800 | [diff] [blame] | 590 | retry_count = Servo.GET_RETRY_MAX |
| 591 | while gpio_value != self.get(gpio_name) and retry_count: |
Ilja H. Friedel | 04be2bd | 2014-05-07 21:29:59 -0700 | [diff] [blame] | 592 | logging.warning("%s != %s, retry %d", gpio_name, gpio_value, |
Todd Broch | cf7c665 | 2012-02-24 13:03:59 -0800 | [diff] [blame] | 593 | retry_count) |
| 594 | retry_count -= 1 |
| 595 | time.sleep(Servo.SHORT_DELAY) |
| 596 | if not retry_count: |
| 597 | assert gpio_value == self.get(gpio_name), \ |
| 598 | 'Servo failed to set %s to %s' % (gpio_name, gpio_value) |
Craig Harrison | 2b6c6fc | 2011-06-23 10:34:02 -0700 | [diff] [blame] | 599 | |
| 600 | |
| 601 | def set_nocheck(self, gpio_name, gpio_value): |
J. Richard Barnette | cdd1edf | 2015-07-24 11:39:46 -0700 | [diff] [blame] | 602 | """Set the value of a gpio using Servod. |
| 603 | |
| 604 | @param gpio_name Name of the gpio. |
| 605 | @param gpio_value New setting for the gpio. |
| 606 | """ |
Craig Harrison | 2b6c6fc | 2011-06-23 10:34:02 -0700 | [diff] [blame] | 607 | assert gpio_name and gpio_value |
Mary Ruthven | 2f72e2a | 2018-05-01 17:12:58 -0700 | [diff] [blame] | 608 | logging.info('Setting %s to %r', gpio_name, gpio_value) |
Todd Broch | efe72cb | 2012-07-11 19:58:53 -0700 | [diff] [blame] | 609 | try: |
Simran Basi | 1cbc5f2 | 2013-07-17 14:23:58 -0700 | [diff] [blame] | 610 | self._server.set(gpio_name, gpio_value) |
Todd Broch | efe72cb | 2012-07-11 19:58:53 -0700 | [diff] [blame] | 611 | except xmlrpclib.Fault as e: |
Mary Ruthven | 73d3a35 | 2018-05-10 15:35:20 -0700 | [diff] [blame] | 612 | err_msg = "Setting '%s' to %r :: %s" % \ |
Todd Broch | efe72cb | 2012-07-11 19:58:53 -0700 | [diff] [blame] | 613 | (gpio_name, gpio_value, self._get_xmlrpclib_exception(e)) |
| 614 | raise error.TestFail(err_msg) |
Craig Harrison | 2b6c6fc | 2011-06-23 10:34:02 -0700 | [diff] [blame] | 615 | |
| 616 | |
Tom Wai-Hong Tam | 92569bb | 2013-03-26 14:25:10 +0800 | [diff] [blame] | 617 | def set_get_all(self, controls): |
| 618 | """Set &| get one or more control values. |
| 619 | |
| 620 | @param controls: list of strings, controls to set &| get. |
| 621 | |
| 622 | @raise: error.TestError in case error occurs setting/getting values. |
| 623 | """ |
| 624 | rv = [] |
| 625 | try: |
Vic Yang | cad9acb | 2013-05-21 14:02:05 +0800 | [diff] [blame] | 626 | logging.info('Set/get all: %s', str(controls)) |
Tom Wai-Hong Tam | 92569bb | 2013-03-26 14:25:10 +0800 | [diff] [blame] | 627 | rv = self._server.set_get_all(controls) |
| 628 | except xmlrpclib.Fault as e: |
| 629 | # TODO(waihong): Remove the following backward compatibility when |
| 630 | # the new versions of hdctools are deployed. |
| 631 | if 'not supported' in str(e): |
| 632 | logging.warning('The servod is too old that set_get_all ' |
| 633 | 'not supported. Use set and get instead.') |
| 634 | for control in controls: |
| 635 | if ':' in control: |
| 636 | (name, value) = control.split(':') |
| 637 | if name == 'sleep': |
| 638 | time.sleep(float(value)) |
| 639 | else: |
| 640 | self.set_nocheck(name, value) |
| 641 | rv.append(True) |
| 642 | else: |
| 643 | rv.append(self.get(name)) |
| 644 | else: |
| 645 | err_msg = "Problem with '%s' :: %s" % \ |
| 646 | (controls, self._get_xmlrpclib_exception(e)) |
| 647 | raise error.TestFail(err_msg) |
| 648 | return rv |
| 649 | |
| 650 | |
Jon Salz | c88e5b6 | 2011-11-30 14:38:54 +0800 | [diff] [blame] | 651 | # TODO(waihong) It may fail if multiple servo's are connected to the same |
| 652 | # host. Should look for a better way, like the USB serial name, to identify |
| 653 | # the USB device. |
Simran Basi | 741b5d4 | 2012-05-18 11:27:15 -0700 | [diff] [blame] | 654 | # TODO(sbasi) Remove this code from autoserv once firmware tests have been |
| 655 | # updated. |
Kevin Cheng | a22c4a8 | 2016-10-07 14:13:25 -0700 | [diff] [blame] | 656 | def probe_host_usb_dev(self, timeout=_USB_PROBE_TIMEOUT): |
Jon Salz | c88e5b6 | 2011-11-30 14:38:54 +0800 | [diff] [blame] | 657 | """Probe the USB disk device plugged-in the servo from the host side. |
| 658 | |
Kevin Cheng | eb06fe7 | 2016-08-22 15:26:32 -0700 | [diff] [blame] | 659 | It uses servod to discover if there is a usb device attached to it. |
Jon Salz | c88e5b6 | 2011-11-30 14:38:54 +0800 | [diff] [blame] | 660 | |
Kevin Cheng | a22c4a8 | 2016-10-07 14:13:25 -0700 | [diff] [blame] | 661 | @param timeout The timeout period when probing for the usb host device. |
| 662 | |
| 663 | @return: String of USB disk path (e.g. '/dev/sdb') or None. |
Jon Salz | c88e5b6 | 2011-11-30 14:38:54 +0800 | [diff] [blame] | 664 | """ |
Ruben Rodriguez Buchillon | 9a4bfc3 | 2018-10-16 20:46:25 +0800 | [diff] [blame] | 665 | # Set up Servo's usb mux. |
| 666 | self.switch_usbkey('host') |
Kevin Cheng | a22c4a8 | 2016-10-07 14:13:25 -0700 | [diff] [blame] | 667 | return self._server.probe_host_usb_dev(timeout) or None |
Jon Salz | c88e5b6 | 2011-11-30 14:38:54 +0800 | [diff] [blame] | 668 | |
| 669 | |
Mike Truty | 49153d8 | 2012-08-21 22:27:30 -0500 | [diff] [blame] | 670 | def image_to_servo_usb(self, image_path=None, |
| 671 | make_image_noninteractive=False): |
| 672 | """Install an image to the USB key plugged into the servo. |
| 673 | |
| 674 | This method may copy any image to the servo USB key including a |
| 675 | recovery image or a test image. These images are frequently used |
| 676 | for test purposes such as restoring a corrupted image or conducting |
| 677 | an upgrade of ec/fw/kernel as part of a test of a specific image part. |
| 678 | |
J. Richard Barnette | cdd1edf | 2015-07-24 11:39:46 -0700 | [diff] [blame] | 679 | @param image_path Path on the host to the recovery image. |
| 680 | @param make_image_noninteractive Make the recovery image |
| 681 | noninteractive, therefore the DUT |
| 682 | will reboot automatically after |
| 683 | installation. |
Mike Truty | 49153d8 | 2012-08-21 22:27:30 -0500 | [diff] [blame] | 684 | """ |
J. Richard Barnette | 41320ee | 2013-03-11 13:00:13 -0700 | [diff] [blame] | 685 | # We're about to start plugging/unplugging the USB key. We |
| 686 | # don't know the state of the DUT, or what it might choose |
| 687 | # to do to the device after hotplug. To avoid surprises, |
| 688 | # force the DUT to be off. |
| 689 | self._server.hwinit() |
| 690 | self._power_state.power_off() |
Mike Truty | 49153d8 | 2012-08-21 22:27:30 -0500 | [diff] [blame] | 691 | |
| 692 | # Set up Servo's usb mux. |
Vadim Bendebury | e7bd936 | 2012-12-19 14:35:20 -0800 | [diff] [blame] | 693 | self.switch_usbkey('host') |
Mike Truty | 49153d8 | 2012-08-21 22:27:30 -0500 | [diff] [blame] | 694 | if image_path: |
Tom Wai-Hong Tam | 42f136d | 2012-10-26 11:11:23 +0800 | [diff] [blame] | 695 | logging.info('Searching for usb device and copying image to it. ' |
| 696 | 'Please wait a few minutes...') |
Mike Truty | 49153d8 | 2012-08-21 22:27:30 -0500 | [diff] [blame] | 697 | if not self._server.download_image_to_usb(image_path): |
| 698 | logging.error('Failed to transfer requested image to USB. ' |
| 699 | 'Please take a look at Servo Logs.') |
| 700 | raise error.AutotestError('Download image to usb failed.') |
| 701 | if make_image_noninteractive: |
| 702 | logging.info('Making image noninteractive') |
| 703 | if not self._server.make_image_noninteractive(): |
| 704 | logging.error('Failed to make image noninteractive. ' |
| 705 | 'Please take a look at Servo Logs.') |
| 706 | |
Kalin Stoyanov | b3c11f3 | 2018-05-11 09:02:00 -0700 | [diff] [blame] | 707 | def boot_in_recovery_mode(self): |
| 708 | """Boot host DUT in recovery mode.""" |
| 709 | self._power_state.power_on(rec_mode=self._power_state.REC_ON) |
| 710 | self.switch_usbkey('dut') |
| 711 | |
Mike Truty | 49153d8 | 2012-08-21 22:27:30 -0500 | [diff] [blame] | 712 | |
Simran Basi | 741b5d4 | 2012-05-18 11:27:15 -0700 | [diff] [blame] | 713 | def install_recovery_image(self, image_path=None, |
J. Richard Barnette | b6de7e3 | 2013-02-14 13:28:04 -0800 | [diff] [blame] | 714 | make_image_noninteractive=False): |
Dan Shi | c67f133 | 2016-04-06 12:38:06 -0700 | [diff] [blame] | 715 | """Install the recovery image specified by the path onto the DUT. |
Jon Salz | c88e5b6 | 2011-11-30 14:38:54 +0800 | [diff] [blame] | 716 | |
| 717 | This method uses google recovery mode to install a recovery image |
| 718 | onto a DUT through the use of a USB stick that is mounted on a servo |
Tom Wai-Hong Tam | a07115e | 2012-01-09 12:27:01 +0800 | [diff] [blame] | 719 | board specified by the usb_dev. If no image path is specified |
Jon Salz | c88e5b6 | 2011-11-30 14:38:54 +0800 | [diff] [blame] | 720 | we use the recovery image already on the usb image. |
| 721 | |
Dan Shi | c67f133 | 2016-04-06 12:38:06 -0700 | [diff] [blame] | 722 | @param image_path: Path on the host to the recovery image. |
| 723 | @param make_image_noninteractive: Make the recovery image |
| 724 | noninteractive, therefore the DUT will reboot automatically |
| 725 | after installation. |
Jon Salz | c88e5b6 | 2011-11-30 14:38:54 +0800 | [diff] [blame] | 726 | """ |
Mike Truty | 49153d8 | 2012-08-21 22:27:30 -0500 | [diff] [blame] | 727 | self.image_to_servo_usb(image_path, make_image_noninteractive) |
Kalin Stoyanov | b3c11f3 | 2018-05-11 09:02:00 -0700 | [diff] [blame] | 728 | self.boot_in_recovery_mode() |
Jon Salz | c88e5b6 | 2011-11-30 14:38:54 +0800 | [diff] [blame] | 729 | |
| 730 | |
Vadim Bendebury | b80ba59 | 2012-12-07 15:02:34 -0800 | [diff] [blame] | 731 | def _scp_image(self, image_path): |
| 732 | """Copy image to the servo host. |
| 733 | |
| 734 | When programming a firmware image on the DUT, the image must be |
| 735 | located on the host to which the servo device is connected. Sometimes |
| 736 | servo is controlled by a remote host, in this case the image needs to |
| 737 | be transferred to the remote host. |
| 738 | |
| 739 | @param image_path: a string, name of the firmware image file to be |
| 740 | transferred. |
| 741 | @return: a string, full path name of the copied file on the remote. |
| 742 | """ |
| 743 | |
| 744 | dest_path = os.path.join('/tmp', os.path.basename(image_path)) |
Fang Deng | 5d518f4 | 2013-08-02 14:04:32 -0700 | [diff] [blame] | 745 | self._servo_host.send_file(image_path, dest_path) |
Vadim Bendebury | b80ba59 | 2012-12-07 15:02:34 -0800 | [diff] [blame] | 746 | return dest_path |
| 747 | |
| 748 | |
Dan Shi | fecdaf4 | 2015-07-28 10:17:26 -0700 | [diff] [blame] | 749 | def system(self, command, timeout=3600): |
J. Richard Barnette | cdd1edf | 2015-07-24 11:39:46 -0700 | [diff] [blame] | 750 | """Execute the passed in command on the servod host. |
| 751 | |
| 752 | @param command Command to be executed. |
Dan Shi | fecdaf4 | 2015-07-28 10:17:26 -0700 | [diff] [blame] | 753 | @param timeout Maximum number of seconds of runtime allowed. Default to |
| 754 | 1 hour. |
J. Richard Barnette | cdd1edf | 2015-07-24 11:39:46 -0700 | [diff] [blame] | 755 | """ |
Vadim Bendebury | 89ec24e | 2012-12-17 12:54:18 -0800 | [diff] [blame] | 756 | logging.info('Will execute on servo host: %s', command) |
Fang Deng | 5d518f4 | 2013-08-02 14:04:32 -0700 | [diff] [blame] | 757 | self._servo_host.run(command, timeout=timeout) |
Vadim Bendebury | 89ec24e | 2012-12-17 12:54:18 -0800 | [diff] [blame] | 758 | |
| 759 | |
Dan Shi | fecdaf4 | 2015-07-28 10:17:26 -0700 | [diff] [blame] | 760 | def system_output(self, command, timeout=3600, |
Vadim Bendebury | 89ec24e | 2012-12-17 12:54:18 -0800 | [diff] [blame] | 761 | ignore_status=False, args=()): |
| 762 | """Execute the passed in command on the servod host, return stdout. |
| 763 | |
J. Richard Barnette | cdd1edf | 2015-07-24 11:39:46 -0700 | [diff] [blame] | 764 | @param command a string, the command to execute |
| 765 | @param timeout an int, max number of seconds to wait til command |
Dan Shi | fecdaf4 | 2015-07-28 10:17:26 -0700 | [diff] [blame] | 766 | execution completes. Default to 1 hour. |
J. Richard Barnette | cdd1edf | 2015-07-24 11:39:46 -0700 | [diff] [blame] | 767 | @param ignore_status a Boolean, if true - ignore command's nonzero exit |
Vadim Bendebury | 89ec24e | 2012-12-17 12:54:18 -0800 | [diff] [blame] | 768 | status, otherwise an exception will be thrown |
J. Richard Barnette | cdd1edf | 2015-07-24 11:39:46 -0700 | [diff] [blame] | 769 | @param args a tuple of strings, each becoming a separate command line |
Vadim Bendebury | 89ec24e | 2012-12-17 12:54:18 -0800 | [diff] [blame] | 770 | parameter for the command |
J. Richard Barnette | cdd1edf | 2015-07-24 11:39:46 -0700 | [diff] [blame] | 771 | @return command's stdout as a string. |
Vadim Bendebury | 89ec24e | 2012-12-17 12:54:18 -0800 | [diff] [blame] | 772 | """ |
Fang Deng | 5d518f4 | 2013-08-02 14:04:32 -0700 | [diff] [blame] | 773 | return self._servo_host.run(command, timeout=timeout, |
| 774 | ignore_status=ignore_status, |
| 775 | args=args).stdout.strip() |
Vadim Bendebury | b80ba59 | 2012-12-07 15:02:34 -0800 | [diff] [blame] | 776 | |
| 777 | |
Dan Shi | a5fef05 | 2015-05-18 23:28:47 -0700 | [diff] [blame] | 778 | def get_servo_version(self): |
| 779 | """Get the version of the servo, e.g., servo_v2 or servo_v3. |
| 780 | |
| 781 | @return: The version of the servo. |
| 782 | |
| 783 | """ |
| 784 | return self._server.get_version() |
| 785 | |
| 786 | |
Tom Wai-Hong Tam | 4ac7898 | 2016-01-08 02:34:37 +0800 | [diff] [blame] | 787 | def _initialize_programmer(self, rw_only=False): |
| 788 | """Initialize the firmware programmer. |
| 789 | |
| 790 | @param rw_only: True to initialize a programmer which only |
| 791 | programs the RW portions. |
| 792 | """ |
J. Richard Barnette | 8f19b39 | 2014-08-11 14:05:39 -0700 | [diff] [blame] | 793 | if self._programmer: |
| 794 | return |
| 795 | # Initialize firmware programmer |
Dan Shi | a5fef05 | 2015-05-18 23:28:47 -0700 | [diff] [blame] | 796 | servo_version = self.get_servo_version() |
Dan Shi | 9cb0eec | 2014-06-03 09:04:50 -0700 | [diff] [blame] | 797 | if servo_version.startswith('servo_v2'): |
J. Richard Barnette | 8f19b39 | 2014-08-11 14:05:39 -0700 | [diff] [blame] | 798 | self._programmer = firmware_programmer.ProgrammerV2(self) |
Wai-Hong Tam | c36c4d2 | 2016-09-09 10:39:45 -0700 | [diff] [blame] | 799 | self._programmer_rw = firmware_programmer.ProgrammerV2RwOnly(self) |
Kevin Cheng | df2e29f | 2016-09-09 02:31:22 -0700 | [diff] [blame] | 800 | # Both servo v3 and v4 use the same programming methods so just leverage |
| 801 | # ProgrammerV3 for servo v4 as well. |
| 802 | elif (servo_version.startswith('servo_v3') or |
| 803 | servo_version.startswith('servo_v4')): |
Dan Shi | a5fef05 | 2015-05-18 23:28:47 -0700 | [diff] [blame] | 804 | self._programmer = firmware_programmer.ProgrammerV3(self) |
Tom Wai-Hong Tam | 4ac7898 | 2016-01-08 02:34:37 +0800 | [diff] [blame] | 805 | self._programmer_rw = firmware_programmer.ProgrammerV3RwOnly(self) |
J. Richard Barnette | 8f19b39 | 2014-08-11 14:05:39 -0700 | [diff] [blame] | 806 | else: |
| 807 | raise error.TestError( |
| 808 | 'No firmware programmer for servo version: %s' % |
Congbin Guo | 4242761 | 2019-02-12 10:22:06 -0800 | [diff] [blame^] | 809 | servo_version) |
J. Richard Barnette | 8f19b39 | 2014-08-11 14:05:39 -0700 | [diff] [blame] | 810 | |
| 811 | |
Tom Wai-Hong Tam | 4ac7898 | 2016-01-08 02:34:37 +0800 | [diff] [blame] | 812 | def program_bios(self, image, rw_only=False): |
Yusuf Mohsinally | 6c078ae | 2013-11-21 11:06:42 -0800 | [diff] [blame] | 813 | """Program bios on DUT with given image. |
Vadim Bendebury | 1a7ec63 | 2013-02-17 16:22:09 -0800 | [diff] [blame] | 814 | |
Yusuf Mohsinally | 6c078ae | 2013-11-21 11:06:42 -0800 | [diff] [blame] | 815 | @param image: a string, file name of the BIOS image to program |
| 816 | on the DUT. |
Tom Wai-Hong Tam | 4ac7898 | 2016-01-08 02:34:37 +0800 | [diff] [blame] | 817 | @param rw_only: True to only program the RW portion of BIOS. |
Yusuf Mohsinally | 6c078ae | 2013-11-21 11:06:42 -0800 | [diff] [blame] | 818 | |
Vadim Bendebury | 1a7ec63 | 2013-02-17 16:22:09 -0800 | [diff] [blame] | 819 | """ |
J. Richard Barnette | 8f19b39 | 2014-08-11 14:05:39 -0700 | [diff] [blame] | 820 | self._initialize_programmer() |
Ricky Liang | c31aab3 | 2014-07-03 16:23:29 +0800 | [diff] [blame] | 821 | if not self.is_localhost(): |
| 822 | image = self._scp_image(image) |
Tom Wai-Hong Tam | 4ac7898 | 2016-01-08 02:34:37 +0800 | [diff] [blame] | 823 | if rw_only: |
| 824 | self._programmer_rw.program_bios(image) |
| 825 | else: |
| 826 | self._programmer.program_bios(image) |
Vadim Bendebury | b80ba59 | 2012-12-07 15:02:34 -0800 | [diff] [blame] | 827 | |
| 828 | |
Tom Wai-Hong Tam | 4ac7898 | 2016-01-08 02:34:37 +0800 | [diff] [blame] | 829 | def program_ec(self, image, rw_only=False): |
Yusuf Mohsinally | 6c078ae | 2013-11-21 11:06:42 -0800 | [diff] [blame] | 830 | """Program ec on DUT with given image. |
Vadim Bendebury | 1a7ec63 | 2013-02-17 16:22:09 -0800 | [diff] [blame] | 831 | |
Yusuf Mohsinally | 6c078ae | 2013-11-21 11:06:42 -0800 | [diff] [blame] | 832 | @param image: a string, file name of the EC image to program |
| 833 | on the DUT. |
Tom Wai-Hong Tam | 4ac7898 | 2016-01-08 02:34:37 +0800 | [diff] [blame] | 834 | @param rw_only: True to only program the RW portion of EC. |
Vadim Bendebury | 1a7ec63 | 2013-02-17 16:22:09 -0800 | [diff] [blame] | 835 | |
Vadim Bendebury | 1a7ec63 | 2013-02-17 16:22:09 -0800 | [diff] [blame] | 836 | """ |
J. Richard Barnette | 8f19b39 | 2014-08-11 14:05:39 -0700 | [diff] [blame] | 837 | self._initialize_programmer() |
Ricky Liang | c31aab3 | 2014-07-03 16:23:29 +0800 | [diff] [blame] | 838 | if not self.is_localhost(): |
| 839 | image = self._scp_image(image) |
Tom Wai-Hong Tam | 4ac7898 | 2016-01-08 02:34:37 +0800 | [diff] [blame] | 840 | if rw_only: |
Congbin Guo | 4242761 | 2019-02-12 10:22:06 -0800 | [diff] [blame^] | 841 | self._programmer_rw.program_ec(image) |
Tom Wai-Hong Tam | 4ac7898 | 2016-01-08 02:34:37 +0800 | [diff] [blame] | 842 | else: |
Congbin Guo | 4242761 | 2019-02-12 10:22:06 -0800 | [diff] [blame^] | 843 | self._programmer.program_ec(image) |
| 844 | |
| 845 | |
| 846 | def _reprogram(self, tarball_path, firmware_name, image_candidates, |
| 847 | rw_only): |
| 848 | """Helper function to reprogram firmware for EC or BIOS. |
| 849 | |
| 850 | @param tarball_path: The path of the downloaded build tarball. |
| 851 | @param: firmware_name: either 'EC' or 'BIOS'. |
| 852 | @param image_candidates: A tuple of the paths of image candidates. |
| 853 | @param rw_only: True to only install firmware to its RW portions. Keep |
| 854 | the RO portions unchanged. |
| 855 | |
| 856 | @raise: TestError if cannot extract firmware from the tarball. |
| 857 | """ |
| 858 | dest_dir = os.path.dirname(tarball_path) |
| 859 | image = _extract_image_from_tarball(tarball_path, dest_dir, |
| 860 | image_candidates) |
| 861 | if not image: |
| 862 | if firmware_name == 'EC': |
| 863 | logging.info('Not a Chrome EC, ignore re-programming it') |
| 864 | return |
| 865 | else: |
| 866 | raise error.TestError('Failed to extract the %s image from ' |
| 867 | 'tarball' % firmware_name) |
| 868 | |
| 869 | logging.info('Will re-program %s %snow', firmware_name, |
| 870 | 'RW ' if rw_only else '') |
| 871 | |
| 872 | if firmware_name == 'EC': |
| 873 | self.program_ec(os.path.join(dest_dir, image), rw_only) |
| 874 | else: |
| 875 | self.program_bios(os.path.join(dest_dir, image), rw_only) |
| 876 | |
| 877 | |
| 878 | def program_firmware(self, model, tarball_path, rw_only=False): |
| 879 | """Program firmware (EC, if applied, and BIOS) of the DUT. |
| 880 | |
| 881 | @param model: The DUT model name. |
| 882 | @param tarball_path: The path of the downloaded build tarball. |
| 883 | @param rw_only: True to only install firmware to its RW portions. Keep |
| 884 | the RO portions unchanged. |
| 885 | """ |
| 886 | ap_image_candidates = ('image.bin', 'image-%s.bin' % model) |
| 887 | ec_image_candidates = ('ec.bin', '%s/ec.bin' % model) |
| 888 | |
| 889 | self._reprogram(tarball_path, 'EC', ec_image_candidates, rw_only) |
| 890 | self._reprogram(tarball_path, 'BIOS', ap_image_candidates, rw_only) |
| 891 | |
| 892 | self.get_power_state_controller().reset() |
| 893 | time.sleep(Servo.BOOT_DELAY) |
Vadim Bendebury | e7bd936 | 2012-12-19 14:35:20 -0800 | [diff] [blame] | 894 | |
Fang Deng | afb8814 | 2013-05-30 17:44:31 -0700 | [diff] [blame] | 895 | |
| 896 | def _switch_usbkey_power(self, power_state, detection_delay=False): |
| 897 | """Switch usbkey power. |
| 898 | |
| 899 | This function switches usbkey power by setting the value of |
| 900 | 'prtctl4_pwren'. If the power is already in the |
| 901 | requested state, this function simply returns. |
| 902 | |
| 903 | @param power_state: A string, 'on' or 'off'. |
| 904 | @param detection_delay: A boolean value, if True, sleep |
| 905 | for |USB_DETECTION_DELAY| after switching |
| 906 | the power on. |
| 907 | """ |
Kevin Cheng | a22c4a8 | 2016-10-07 14:13:25 -0700 | [diff] [blame] | 908 | # TODO(kevcheng): Forgive me for this terrible hack. This is just to |
| 909 | # handle beaglebones that haven't yet updated and have the |
| 910 | # safe_switch_usbkey_power RPC. I'll remove this once all beaglebones |
| 911 | # have been updated and also think about a better way to handle |
| 912 | # situations like this. |
| 913 | try: |
| 914 | self._server.safe_switch_usbkey_power(power_state) |
| 915 | except Exception: |
| 916 | self.set('prtctl4_pwren', power_state) |
Fang Deng | afb8814 | 2013-05-30 17:44:31 -0700 | [diff] [blame] | 917 | if power_state == 'off': |
| 918 | time.sleep(self.USB_POWEROFF_DELAY) |
| 919 | elif detection_delay: |
| 920 | time.sleep(self.USB_DETECTION_DELAY) |
| 921 | |
| 922 | |
| 923 | def switch_usbkey(self, usb_state): |
| 924 | """Connect USB flash stick to either host or DUT, or turn USB port off. |
Vadim Bendebury | e7bd936 | 2012-12-19 14:35:20 -0800 | [diff] [blame] | 925 | |
| 926 | This function switches the servo multiplexer to provide electrical |
Fang Deng | afb8814 | 2013-05-30 17:44:31 -0700 | [diff] [blame] | 927 | connection between the USB port J3 and either host or DUT side. It |
| 928 | can also be used to turn the USB port off. |
Vadim Bendebury | e7bd936 | 2012-12-19 14:35:20 -0800 | [diff] [blame] | 929 | |
Fang Deng | afb8814 | 2013-05-30 17:44:31 -0700 | [diff] [blame] | 930 | Switching to 'dut' or 'host' is accompanied by powercycling |
| 931 | of the USB stick, because it sometimes gets wedged if the mux |
| 932 | is switched while the stick power is on. |
Vadim Bendebury | e7bd936 | 2012-12-19 14:35:20 -0800 | [diff] [blame] | 933 | |
Fang Deng | afb8814 | 2013-05-30 17:44:31 -0700 | [diff] [blame] | 934 | @param usb_state: A string, one of 'dut', 'host', or 'off'. |
| 935 | 'dut' and 'host' indicate which side the |
| 936 | USB flash device is required to be connected to. |
| 937 | 'off' indicates turning the USB port off. |
Vadim Bendebury | e7bd936 | 2012-12-19 14:35:20 -0800 | [diff] [blame] | 938 | |
Fang Deng | afb8814 | 2013-05-30 17:44:31 -0700 | [diff] [blame] | 939 | @raise: error.TestError in case the parameter is not 'dut' |
| 940 | 'host', or 'off'. |
Vadim Bendebury | e7bd936 | 2012-12-19 14:35:20 -0800 | [diff] [blame] | 941 | """ |
Fang Deng | afb8814 | 2013-05-30 17:44:31 -0700 | [diff] [blame] | 942 | if self.get_usbkey_direction() == usb_state: |
Vadim Bendebury | e7bd936 | 2012-12-19 14:35:20 -0800 | [diff] [blame] | 943 | return |
| 944 | |
Fang Deng | afb8814 | 2013-05-30 17:44:31 -0700 | [diff] [blame] | 945 | if usb_state == 'off': |
Dan Shi | a5fef05 | 2015-05-18 23:28:47 -0700 | [diff] [blame] | 946 | self._switch_usbkey_power('off') |
| 947 | self._usb_state = usb_state |
| 948 | return |
Fang Deng | afb8814 | 2013-05-30 17:44:31 -0700 | [diff] [blame] | 949 | elif usb_state == 'host': |
Vadim Bendebury | e7bd936 | 2012-12-19 14:35:20 -0800 | [diff] [blame] | 950 | mux_direction = 'servo_sees_usbkey' |
Fang Deng | afb8814 | 2013-05-30 17:44:31 -0700 | [diff] [blame] | 951 | elif usb_state == 'dut': |
Vadim Bendebury | e7bd936 | 2012-12-19 14:35:20 -0800 | [diff] [blame] | 952 | mux_direction = 'dut_sees_usbkey' |
| 953 | else: |
Fang Deng | afb8814 | 2013-05-30 17:44:31 -0700 | [diff] [blame] | 954 | raise error.TestError('Unknown USB state request: %s' % usb_state) |
Vadim Bendebury | e7bd936 | 2012-12-19 14:35:20 -0800 | [diff] [blame] | 955 | |
Fang Deng | afb8814 | 2013-05-30 17:44:31 -0700 | [diff] [blame] | 956 | self._switch_usbkey_power('off') |
Kevin Cheng | a22c4a8 | 2016-10-07 14:13:25 -0700 | [diff] [blame] | 957 | # TODO(kevcheng): Forgive me for this terrible hack. This is just to |
| 958 | # handle beaglebones that haven't yet updated and have the |
| 959 | # safe_switch_usbkey RPC. I'll remove this once all beaglebones have |
| 960 | # been updated and also think about a better way to handle situations |
| 961 | # like this. |
| 962 | try: |
| 963 | self._server.safe_switch_usbkey(mux_direction) |
| 964 | except Exception: |
| 965 | self.set('usb_mux_sel1', mux_direction) |
Vadim Bendebury | e7bd936 | 2012-12-19 14:35:20 -0800 | [diff] [blame] | 966 | time.sleep(self.USB_POWEROFF_DELAY) |
Fang Deng | afb8814 | 2013-05-30 17:44:31 -0700 | [diff] [blame] | 967 | self._switch_usbkey_power('on', usb_state == 'host') |
| 968 | self._usb_state = usb_state |
Vadim Bendebury | e7bd936 | 2012-12-19 14:35:20 -0800 | [diff] [blame] | 969 | |
Vadim Bendebury | e7bd936 | 2012-12-19 14:35:20 -0800 | [diff] [blame] | 970 | |
Vadim Bendebury | e7bd936 | 2012-12-19 14:35:20 -0800 | [diff] [blame] | 971 | def get_usbkey_direction(self): |
Fang Deng | afb8814 | 2013-05-30 17:44:31 -0700 | [diff] [blame] | 972 | """Get which side USB is connected to or 'off' if usb power is off. |
Vadim Bendebury | e7bd936 | 2012-12-19 14:35:20 -0800 | [diff] [blame] | 973 | |
Fang Deng | afb8814 | 2013-05-30 17:44:31 -0700 | [diff] [blame] | 974 | @return: A string, one of 'dut', 'host', or 'off'. |
Vadim Bendebury | e7bd936 | 2012-12-19 14:35:20 -0800 | [diff] [blame] | 975 | """ |
Fang Deng | afb8814 | 2013-05-30 17:44:31 -0700 | [diff] [blame] | 976 | if not self._usb_state: |
| 977 | if self.get('prtctl4_pwren') == 'off': |
| 978 | self._usb_state = 'off' |
| 979 | elif self.get('usb_mux_sel1').startswith('dut'): |
| 980 | self._usb_state = 'dut' |
Vadim Bendebury | e7bd936 | 2012-12-19 14:35:20 -0800 | [diff] [blame] | 981 | else: |
Fang Deng | afb8814 | 2013-05-30 17:44:31 -0700 | [diff] [blame] | 982 | self._usb_state = 'host' |
| 983 | return self._usb_state |
Congbin Guo | a1f9cba | 2018-07-03 11:36:59 -0700 | [diff] [blame] | 984 | |
| 985 | |
Wai-Hong Tam | 6037726 | 2018-03-01 10:55:39 -0800 | [diff] [blame] | 986 | def set_servo_v4_role(self, role): |
| 987 | """Set the power role of servo v4, either 'src' or 'snk'. |
| 988 | |
| 989 | It does nothing if not a servo v4. |
| 990 | |
| 991 | @param role: Power role for DUT port on servo v4, either 'src' or 'snk'. |
| 992 | """ |
| 993 | servo_version = self.get_servo_version() |
| 994 | if servo_version.startswith('servo_v4'): |
| 995 | value = self.get('servo_v4_role') |
| 996 | if value != role: |
| 997 | self.set_nocheck('servo_v4_role', role) |
| 998 | else: |
| 999 | logging.debug('Already in the role: %s.', role) |
| 1000 | else: |
| 1001 | logging.debug('Not a servo v4, unable to set role to %s.', role) |
| 1002 | |
| 1003 | |
Congbin Guo | a1f9cba | 2018-07-03 11:36:59 -0700 | [diff] [blame] | 1004 | def dump_uart_streams(self, output_dir): |
| 1005 | """Get buffered UART streams and append to log files. |
| 1006 | |
| 1007 | @param output_dir: A string of directory name to save log files. |
| 1008 | """ |
| 1009 | if self._uart: |
| 1010 | self._uart.dump(output_dir) |
| 1011 | |
| 1012 | |
| 1013 | def close(self): |
| 1014 | """Close the servo object.""" |
| 1015 | if self._uart: |
| 1016 | self._uart.stop_capture() |
| 1017 | self._uart = None |