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| 1 | +# Copyright (c) 2021-2024 The University of Texas Southwestern Medical Center. |
| 2 | +# All rights reserved. |
| 3 | + |
| 4 | +# Redistribution and use in source and binary forms, with or without |
| 5 | +# modification, are permitted for academic and research use only (subject to the |
| 6 | +# limitations in the disclaimer below) provided that the following conditions are met: |
| 7 | + |
| 8 | +# * Redistributions of source code must retain the above copyright notice, |
| 9 | +# this list of conditions and the following disclaimer. |
| 10 | + |
| 11 | +# * Redistributions in binary form must reproduce the above copyright |
| 12 | +# notice, this list of conditions and the following disclaimer in the |
| 13 | +# documentation and/or other materials provided with the distribution. |
| 14 | + |
| 15 | +# * Neither the name of the copyright holders nor the names of its |
| 16 | +# contributors may be used to endorse or promote products derived from this |
| 17 | +# software without specific prior written permission. |
| 18 | + |
| 19 | +# NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE GRANTED BY |
| 20 | +# THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND |
| 21 | +# CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 22 | +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A |
| 23 | +# PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR |
| 24 | +# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| 25 | +# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| 26 | +# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
| 27 | +# BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER |
| 28 | +# IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 29 | +# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 30 | +# POSSIBILITY OF SUCH DAMAGE. |
| 31 | +# |
| 32 | + |
| 33 | +# Standard Library Imports |
| 34 | +import logging |
| 35 | +import time |
| 36 | +from typing import Any, Dict |
| 37 | + |
| 38 | + |
| 39 | +# Local Imports |
| 40 | +from navigate.model.devices.galvo.base import GalvoBase |
| 41 | +from navigate.model.devices.device_types import SerialDevice |
| 42 | +from navigate.model.devices.APIs.asi.asi_tiger_controller import TigerController |
| 43 | +from navigate.tools.decorators import log_initialization |
| 44 | + |
| 45 | +# # Logger Setup |
| 46 | +p = __name__.split(".")[1] |
| 47 | +logger = logging.getLogger(p) |
| 48 | + |
| 49 | + |
| 50 | +@log_initialization |
| 51 | +class ASIGalvo(GalvoBase , SerialDevice): |
| 52 | + """GalvoASI Class - ASI DAQ Control of Galvanometers""" |
| 53 | + |
| 54 | + def __init__( |
| 55 | + self, |
| 56 | + microscope_name: str, |
| 57 | + device_connection: Any, |
| 58 | + configuration: Dict[str, Any], |
| 59 | + device_id: int = 0, |
| 60 | + ) -> None: |
| 61 | + """Initialize the GalvoNI class. |
| 62 | +
|
| 63 | + Parameters |
| 64 | + ---------- |
| 65 | + microscope_name : str |
| 66 | + Name of the microscope. |
| 67 | + device_connection : Any |
| 68 | + Connection to the NI DAQ device. |
| 69 | + configuration : Dict[str, Any] |
| 70 | + Dictionary of configuration parameters. |
| 71 | + device_id : int |
| 72 | + Galvo ID. Default is 0. |
| 73 | + """ |
| 74 | + super().__init__(microscope_name, device_connection, configuration, device_id) |
| 75 | + |
| 76 | + #: Any: Device connection. |
| 77 | + self.galvo = device_connection |
| 78 | + |
| 79 | + #: dict: Dictionary of microscope configuration parameters. |
| 80 | + self.configuration = configuration |
| 81 | + |
| 82 | + #: str: Name of the microscope. |
| 83 | + self.microscope_name = microscope_name |
| 84 | + |
| 85 | + #: int: Galvo ID. |
| 86 | + self.galvo_id = device_id |
| 87 | + |
| 88 | + #: str: Name of the NI port for galvo control. |
| 89 | + self.trigger_source = configuration["configuration"]["microscopes"][ |
| 90 | + microscope_name |
| 91 | + ]["daq"]["trigger_source"] |
| 92 | + |
| 93 | + #: str: Name of the galvo. |
| 94 | + self.galvo_name = "Galvo " + str(device_id) |
| 95 | + |
| 96 | + #: dict: Dictionary of device connections. |
| 97 | + self.device_config = configuration["configuration"]["microscopes"][ |
| 98 | + microscope_name |
| 99 | + ]["galvo"][device_id] |
| 100 | + |
| 101 | + #: int: Sample rate. |
| 102 | + self.sample_rate = configuration["configuration"]["microscopes"][ |
| 103 | + microscope_name |
| 104 | + ]["daq"]["sample_rate"] |
| 105 | + |
| 106 | + #: float: Sweep time. |
| 107 | + self.sweep_time = 0 |
| 108 | + |
| 109 | + #: float: Camera delay |
| 110 | + self.camera_delay = ( |
| 111 | + configuration["configuration"]["microscopes"][microscope_name]["camera"][ |
| 112 | + "delay" |
| 113 | + ] |
| 114 | + / 1000 |
| 115 | + ) |
| 116 | + |
| 117 | + #: float: Galvo max voltage. |
| 118 | + self.galvo_max_voltage = self.device_config["hardware"]["max"] |
| 119 | + |
| 120 | + #: float: Galvo min voltage. |
| 121 | + self.galvo_min_voltage = self.device_config["hardware"]["min"] |
| 122 | + |
| 123 | + # Galvo Waveform Information |
| 124 | + #: str: Galvo waveform. Waveform or Sawtooth. |
| 125 | + self.galvo_waveform = self.device_config.get("waveform", "sawtooth") |
| 126 | + |
| 127 | + self.axis = self.device_config["hardware"].get("axis","B") |
| 128 | + |
| 129 | + def __str__(self) -> str: |
| 130 | + """Return string representation of the GalvoASI.""" |
| 131 | + return "GalvoASI" |
| 132 | + |
| 133 | + @classmethod |
| 134 | + def connect(cls, port, baudrate=115200, timeout=0.25): |
| 135 | + """Build ASILaser Serial Port connection |
| 136 | +
|
| 137 | + Parameters |
| 138 | + ---------- |
| 139 | + port : str |
| 140 | + Port for communicating with the filter wheel, e.g., COM1. |
| 141 | + baudrate : int |
| 142 | + Baud rate for communicating with the filter wheel, default is 115200. |
| 143 | + timeout : float |
| 144 | + Timeout for communicating with the filter wheel, default is 0.25. |
| 145 | +
|
| 146 | + Returns |
| 147 | + ------- |
| 148 | + tiger_controller : TigerController |
| 149 | + ASI Tiger Controller object. |
| 150 | + """ |
| 151 | + # wait until ASI device is ready |
| 152 | + tiger_controller = TigerController(port, baudrate) |
| 153 | + tiger_controller.connect_to_serial() |
| 154 | + if not tiger_controller.is_open(): |
| 155 | + logger.error("ASI stage connection failed.") |
| 156 | + raise Exception("ASI stage connection failed.") |
| 157 | + return tiger_controller |
| 158 | + |
| 159 | + def adjust(self, exposure_times, sweep_times): |
| 160 | + """Adjust the galvo waveform to account for the camera readout time. |
| 161 | +
|
| 162 | + Parameters |
| 163 | + ---------- |
| 164 | + exposure_times : dict |
| 165 | + Dictionary of camera exposure time in seconds on a per-channel basis. |
| 166 | + e.g., exposure_times = {"channel_1": 0.1, "channel_2": 0.2} |
| 167 | + sweep_times : dict |
| 168 | + Dictionary of acquisition sweep time in seconds on a per-channel basis. |
| 169 | + e.g., sweep_times = {"channel_1": 0.1, "channel_2": 0.2} |
| 170 | +
|
| 171 | + Returns |
| 172 | + ------- |
| 173 | + waveform_dict : dict |
| 174 | + Dictionary that includes the galvo waveforms on a per-channel basis. |
| 175 | + """ |
| 176 | + microscope_state = self.configuration["experiment"]["MicroscopeState"] |
| 177 | + microscope_name = microscope_state["microscope_name"] |
| 178 | + zoom_value = microscope_state["zoom"] |
| 179 | + galvo_factor = self.configuration["waveform_constants"]["other_constants"].get( |
| 180 | + "galvo_factor", "none" |
| 181 | + ) |
| 182 | + galvo_parameters = self.configuration["waveform_constants"]["galvo_constants"][ |
| 183 | + self.galvo_name |
| 184 | + ][microscope_name][zoom_value] |
| 185 | + self.sample_rate = self.configuration["configuration"]["microscopes"][ |
| 186 | + self.microscope_name |
| 187 | + ]["daq"]["sample_rate"] |
| 188 | + |
| 189 | + for channel_key in microscope_state["channels"].keys(): |
| 190 | + # channel includes 'is_selected', 'laser', 'filter', 'camera_exposure'... |
| 191 | + channel = microscope_state["channels"][channel_key] |
| 192 | + |
| 193 | + # Only proceed if it is enabled in the GUI |
| 194 | + if channel["is_selected"] is True: |
| 195 | + |
| 196 | + # Get the Waveform Parameters - Assumes ETL Delay < Camera Delay. |
| 197 | + # Should Assert. |
| 198 | + exposure_time = exposure_times[channel_key] |
| 199 | + self.sweep_time = sweep_times[channel_key] |
| 200 | + |
| 201 | + # galvo Parameters |
| 202 | + try: |
| 203 | + galvo_amplitude = float(galvo_parameters.get("amplitude", 0)) |
| 204 | + galvo_offset = float(galvo_parameters.get("offset", 0)) |
| 205 | + galvo_frequency = ( |
| 206 | + float(galvo_parameters.get("frequency", 0)) / exposure_time |
| 207 | + ) |
| 208 | + factor_name = None |
| 209 | + if galvo_factor == "channel": |
| 210 | + factor_name = ( |
| 211 | + f"Channel {channel_key[channel_key.index('_')+1:]}" |
| 212 | + ) |
| 213 | + elif galvo_factor == "laser": |
| 214 | + factor_name = channel["laser"] |
| 215 | + if factor_name and factor_name in galvo_parameters.keys(): |
| 216 | + galvo_amplitude = float( |
| 217 | + galvo_parameters[factor_name].get("amplitude", 0) |
| 218 | + ) |
| 219 | + galvo_offset = float( |
| 220 | + galvo_parameters[factor_name].get("offset", 0) |
| 221 | + ) |
| 222 | + |
| 223 | + except ValueError as e: |
| 224 | + logger.debug( |
| 225 | + f"{e} waveform constants.yml doesn't have parameter " |
| 226 | + f"amplitude/offset/frequency for {self.galvo_name}" |
| 227 | + ) |
| 228 | + return |
| 229 | + |
| 230 | + # Calculate the Waveforms |
| 231 | + if self.galvo_waveform == "sawtooth": |
| 232 | + frequency=galvo_frequency |
| 233 | + amplitude=galvo_amplitude |
| 234 | + offset=galvo_offset |
| 235 | + |
| 236 | + self.sawtooth(frequency, amplitude, offset) |
| 237 | + |
| 238 | + elif self.galvo_waveform == "sine": |
| 239 | + frequency=galvo_frequency |
| 240 | + amplitude=galvo_amplitude |
| 241 | + offset=galvo_offset |
| 242 | + |
| 243 | + self.sine_wave(frequency, amplitude, offset) |
| 244 | + |
| 245 | + elif self.galvo_waveform == "halfsaw": |
| 246 | + frequency=galvo_frequency |
| 247 | + amplitude=galvo_amplitude |
| 248 | + offset=galvo_offset |
| 249 | + |
| 250 | + self.half_saw(frequency, amplitude, offset) |
| 251 | + else: |
| 252 | + print("Unknown Galvo waveform specified in configuration file.") |
| 253 | + continue |
| 254 | + |
| 255 | + def sawtooth( |
| 256 | + self, |
| 257 | + frequency=10, |
| 258 | + amplitude=1, |
| 259 | + offset=0, |
| 260 | + ): |
| 261 | + """ |
| 262 | + Sends the tiger controller commands to make the sawtooth wave |
| 263 | +
|
| 264 | + Parameters |
| 265 | + ---------- |
| 266 | + frequency : Float |
| 267 | + Unit - Hz |
| 268 | + amplitude : Float |
| 269 | + Unit - Volts |
| 270 | + offset : Float |
| 271 | + Unit - Volts |
| 272 | + """ |
| 273 | + |
| 274 | + period = (1 / frequency)*1000 |
| 275 | + amplitude *= 1000 |
| 276 | + offset *= 1000 |
| 277 | + |
| 278 | + self.galvo.SA_waveform(self.axis, 128, amplitude, offset, period) |
| 279 | + self.galvo.SAM(self.axis, 4) |
| 280 | + |
| 281 | + # need to adjust it so it only runs for the duration of the sweep time |
| 282 | + # do we want to do anything with duty cycle or phase, or accept that as a limitation |
| 283 | + |
| 284 | + def sine_wave( |
| 285 | + self, |
| 286 | + frequency=10, |
| 287 | + amplitude=1, |
| 288 | + offset=0 |
| 289 | + ): |
| 290 | + """Returns a numpy array with a sine waveform |
| 291 | +
|
| 292 | + Used for creating analog laser drive voltage. |
| 293 | +
|
| 294 | + Parameters |
| 295 | + ---------- |
| 296 | + sample_rate : int, optional |
| 297 | + Unit - Hz, by default 100000 |
| 298 | + sweep_time : float, optional |
| 299 | + Unit - Seconds, by default 0.4 |
| 300 | + frequency : int, optional |
| 301 | + Unit - Hz, by default 10 |
| 302 | + amplitude : float, optional |
| 303 | + Unit - Volts, by default 1 |
| 304 | + offset : float, optional |
| 305 | + Unit - Volts, by default 0 |
| 306 | + phase : float, optional |
| 307 | + Unit - Radians, by default 0 |
| 308 | +
|
| 309 | + Returns |
| 310 | + ------- |
| 311 | + waveform : np.array |
| 312 | +
|
| 313 | + Examples |
| 314 | + -------- |
| 315 | + >>> typical_laser = sine_wave(sample_rate, sweep_time, 10, 1, 0, 0) |
| 316 | +
|
| 317 | + """ |
| 318 | + period = (1 / frequency)*1000 |
| 319 | + amplitude *= 1000 |
| 320 | + offset *= 1000 |
| 321 | + |
| 322 | + self.galvo.SA_waveform(self.axis, 131, amplitude, offset, period) |
| 323 | + self.galvo.SAM(self.axis, 4) |
| 324 | + |
| 325 | + # need to adjust it so it only runs for the duration of the sweep time |
| 326 | + # do we want to do anything with phase, or accept that as a limitation |
| 327 | + |
| 328 | + def half_saw( |
| 329 | + self, |
| 330 | + frequency=10, |
| 331 | + amplitude=1, |
| 332 | + offset=0, |
| 333 | + ): |
| 334 | + """Sends the tiger controller commands to make the ramp wave |
| 335 | +
|
| 336 | + Parameters |
| 337 | + ---------- |
| 338 | + exposure_time : Float |
| 339 | + Unit - Seconds |
| 340 | + sweep_time : Float |
| 341 | + Unit - Seconds |
| 342 | + remote_focus_delay : Float |
| 343 | + Unit - seconds |
| 344 | + camera_delay : Float |
| 345 | + Unit - seconds |
| 346 | + fall : Float |
| 347 | + Unit - seconds |
| 348 | + amplitude : Float |
| 349 | + Unit - Volts |
| 350 | + offset : Float |
| 351 | + Unit - Volts |
| 352 | + """ |
| 353 | + |
| 354 | + # rise period |
| 355 | + period = (1 / frequency)*1000 |
| 356 | + |
| 357 | + amplitude *= 1000/2 |
| 358 | + offset *= 1000 |
| 359 | + |
| 360 | + self.galvo.SA_waveform(self.axis, 128, amplitude, offset, period) |
| 361 | + time.sleep(1/frequency) |
| 362 | + self.galvo.SAM(self.axis, 2) |
| 363 | + |
| 364 | + def turn_off(self): |
| 365 | + """Stops the galvo waveform""" |
| 366 | + self.galvo.SAM(self.axis, 0) |
| 367 | + |
| 368 | + def close(self): |
| 369 | + """Close the ASI galvo serial port. |
| 370 | +
|
| 371 | + Stops the remote focus waveform and then closes the port. |
| 372 | + """ |
| 373 | + if self.galvo.is_open(): |
| 374 | + self.turn_off() |
| 375 | + logger.debug("ASI Remote Focus - Closing Device.") |
| 376 | + self.galvo.disconnect_from_serial() |
| 377 | + |
| 378 | + def __del__(self): |
| 379 | + """Destructor for the ASIGalvo class.""" |
| 380 | + self.close() |
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