Mercurial Repositories > eric / file comparison
comparison: eric7/MicroPython/MicrobitDevices.py
eric7/MicroPython/MicrobitDevices.py
- branch
- eric7
- changeset 8312
- 800c432b34c8
- parent 8259
- 2bbec88047dd
- child 8318
- 962bce857696
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| 8311:4e8b98454baa | 8312:800c432b34c8 |
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| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2019 - 2021 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 """ | |
| 7 Module implementing the device interface class for BBC micro:bit and | |
| 8 Calliope mini boards. | |
| 9 """ | |
| 10 | |
| 11 import os | |
| 12 import shutil | |
| 13 | |
| 14 from PyQt5.QtCore import pyqtSlot, QStandardPaths | |
| 15 from PyQt5.QtWidgets import QInputDialog, QLineEdit | |
| 16 | |
| 17 from .MicroPythonDevices import MicroPythonDevice | |
| 18 from .MicroPythonWidget import HAS_QTCHART | |
| 19 | |
| 20 from E5Gui import E5MessageBox, E5FileDialog | |
| 21 from E5Gui.E5Application import e5App | |
| 22 | |
| 23 import Utilities | |
| 24 import Preferences | |
| 25 | |
| 26 | |
| 27 class MicrobitDevice(MicroPythonDevice): | |
| 28 """ | |
| 29 Class implementing the device for BBC micro:bit and Calliope mini boards. | |
| 30 """ | |
| 31 def __init__(self, microPythonWidget, deviceType, parent=None): | |
| 32 """ | |
| 33 Constructor | |
| 34 | |
| 35 @param microPythonWidget reference to the main MicroPython widget | |
| 36 @type MicroPythonWidget | |
| 37 @param deviceType type of the device | |
| 38 @type str | |
| 39 @param parent reference to the parent object | |
| 40 @type QObject | |
| 41 """ | |
| 42 super().__init__( | |
| 43 microPythonWidget, deviceType, parent) | |
| 44 | |
| 45 def setButtons(self): | |
| 46 """ | |
| 47 Public method to enable the supported action buttons. | |
| 48 """ | |
| 49 super().setButtons() | |
| 50 self.microPython.setActionButtons( | |
| 51 run=True, repl=True, files=True, chart=HAS_QTCHART) | |
| 52 | |
| 53 def forceInterrupt(self): | |
| 54 """ | |
| 55 Public method to determine the need for an interrupt when opening the | |
| 56 serial connection. | |
| 57 | |
| 58 @return flag indicating an interrupt is needed | |
| 59 @rtype bool | |
| 60 """ | |
| 61 return True | |
| 62 | |
| 63 def deviceName(self): | |
| 64 """ | |
| 65 Public method to get the name of the device. | |
| 66 | |
| 67 @return name of the device | |
| 68 @rtype str | |
| 69 """ | |
| 70 if self.getDeviceType() == "bbc_microbit": | |
| 71 # BBC micro:bit | |
| 72 return self.tr("BBC micro:bit") | |
| 73 else: | |
| 74 # Calliope mini | |
| 75 return self.tr("Calliope mini") | |
| 76 | |
| 77 def canStartRepl(self): | |
| 78 """ | |
| 79 Public method to determine, if a REPL can be started. | |
| 80 | |
| 81 @return tuple containing a flag indicating it is safe to start a REPL | |
| 82 and a reason why it cannot. | |
| 83 @rtype tuple of (bool, str) | |
| 84 """ | |
| 85 return True, "" | |
| 86 | |
| 87 def canStartPlotter(self): | |
| 88 """ | |
| 89 Public method to determine, if a Plotter can be started. | |
| 90 | |
| 91 @return tuple containing a flag indicating it is safe to start a | |
| 92 Plotter and a reason why it cannot. | |
| 93 @rtype tuple of (bool, str) | |
| 94 """ | |
| 95 return True, "" | |
| 96 | |
| 97 def canRunScript(self): | |
| 98 """ | |
| 99 Public method to determine, if a script can be executed. | |
| 100 | |
| 101 @return tuple containing a flag indicating it is safe to start a | |
| 102 Plotter and a reason why it cannot. | |
| 103 @rtype tuple of (bool, str) | |
| 104 """ | |
| 105 return True, "" | |
| 106 | |
| 107 def runScript(self, script): | |
| 108 """ | |
| 109 Public method to run the given Python script. | |
| 110 | |
| 111 @param script script to be executed | |
| 112 @type str | |
| 113 """ | |
| 114 pythonScript = script.split("\n") | |
| 115 self.sendCommands(pythonScript) | |
| 116 | |
| 117 def canStartFileManager(self): | |
| 118 """ | |
| 119 Public method to determine, if a File Manager can be started. | |
| 120 | |
| 121 @return tuple containing a flag indicating it is safe to start a | |
| 122 File Manager and a reason why it cannot. | |
| 123 @rtype tuple of (bool, str) | |
| 124 """ | |
| 125 return True, "" | |
| 126 | |
| 127 def hasTimeCommands(self): | |
| 128 """ | |
| 129 Public method to check, if the device supports time commands. | |
| 130 | |
| 131 The default returns True. | |
| 132 | |
| 133 @return flag indicating support for time commands | |
| 134 @rtype bool | |
| 135 """ | |
| 136 return False | |
| 137 | |
| 138 def addDeviceMenuEntries(self, menu): | |
| 139 """ | |
| 140 Public method to add device specific entries to the given menu. | |
| 141 | |
| 142 @param menu reference to the context menu | |
| 143 @type QMenu | |
| 144 """ | |
| 145 connected = self.microPython.isConnected() | |
| 146 | |
| 147 act = menu.addAction(self.tr("Flash MicroPython"), | |
| 148 self.__flashMicroPython) | |
| 149 act.setEnabled(not connected) | |
| 150 act = menu.addAction(self.tr("Flash Firmware"), | |
| 151 lambda: self.__flashMicroPython(firmware=True)) | |
| 152 act.setEnabled(not connected) | |
| 153 menu.addSeparator() | |
| 154 act = menu.addAction(self.tr("Save Script"), self.__saveScriptToDevice) | |
| 155 act.setToolTip(self.tr( | |
| 156 "Save the current script to the selected device")) | |
| 157 act.setEnabled(connected) | |
| 158 act = menu.addAction(self.tr("Save Script as 'main.py'"), | |
| 159 self.__saveMain) | |
| 160 act.setToolTip(self.tr( | |
| 161 "Save the current script as 'main.py' on the connected device")) | |
| 162 act.setEnabled(connected) | |
| 163 menu.addSeparator() | |
| 164 act = menu.addAction(self.tr("Reset {0}").format(self.deviceName()), | |
| 165 self.__resetDevice) | |
| 166 act.setEnabled(connected) | |
| 167 | |
| 168 def hasFlashMenuEntry(self): | |
| 169 """ | |
| 170 Public method to check, if the device has its own flash menu entry. | |
| 171 | |
| 172 @return flag indicating a specific flash menu entry | |
| 173 @rtype bool | |
| 174 """ | |
| 175 return True | |
| 176 | |
| 177 @pyqtSlot() | |
| 178 def __flashMicroPython(self, firmware=False): | |
| 179 """ | |
| 180 Private slot to flash MicroPython or the DAPLink firmware to the | |
| 181 device. | |
| 182 | |
| 183 @param firmware flag indicating to flash the DAPLink firmware | |
| 184 @type bool | |
| 185 """ | |
| 186 # Attempts to find the path on the file system that represents the | |
| 187 # plugged in micro:bit board. To flash the DAPLink firmware, it must be | |
| 188 # in maintenance mode, for MicroPython in standard mode. | |
| 189 if self.getDeviceType() == "bbc_microbit": | |
| 190 # BBC micro:bit | |
| 191 if firmware: | |
| 192 deviceDirectories = Utilities.findVolume("MAINTENANCE", | |
| 193 findAll=True) | |
| 194 else: | |
| 195 deviceDirectories = Utilities.findVolume("MICROBIT", | |
| 196 findAll=True) | |
| 197 else: | |
| 198 # Calliope mini | |
| 199 if firmware: | |
| 200 deviceDirectories = Utilities.findVolume("MAINTENANCE", | |
| 201 findAll=True) | |
| 202 else: | |
| 203 deviceDirectories = Utilities.findVolume("MINI", | |
| 204 findAll=True) | |
| 205 if len(deviceDirectories) == 0: | |
| 206 if self.getDeviceType() == "bbc_microbit": | |
| 207 # BBC micro:bit is not ready or not mounted | |
| 208 if firmware: | |
| 209 E5MessageBox.critical( | |
| 210 self.microPython, | |
| 211 self.tr("Flash MicroPython/Firmware"), | |
| 212 self.tr( | |
| 213 '<p>The BBC micro:bit is not ready for flashing' | |
| 214 ' the DAPLink firmware. Follow these' | |
| 215 ' instructions. </p>' | |
| 216 '<ul>' | |
| 217 '<li>unplug USB cable and any batteries</li>' | |
| 218 '<li>keep RESET button pressed an plug USB cable' | |
| 219 ' back in</li>' | |
| 220 '<li>a drive called MAINTENANCE should be' | |
| 221 ' available</li>' | |
| 222 '</ul>' | |
| 223 '<p>See the ' | |
| 224 '<a href="https://microbit.org/guide/firmware/">' | |
| 225 'micro:bit web site</a> for details.</p>' | |
| 226 ) | |
| 227 ) | |
| 228 else: | |
| 229 E5MessageBox.critical( | |
| 230 self.microPython, | |
| 231 self.tr("Flash MicroPython/Firmware"), | |
| 232 self.tr( | |
| 233 '<p>The BBC micro:bit is not ready for flashing' | |
| 234 ' the MicroPython firmware. Please make sure,' | |
| 235 ' that a drive called MICROBIT is available.' | |
| 236 '</p>' | |
| 237 ) | |
| 238 ) | |
| 239 else: | |
| 240 # Calliope mini is not ready or not mounted | |
| 241 if firmware: | |
| 242 E5MessageBox.critical( | |
| 243 self.microPython, | |
| 244 self.tr("Flash MicroPython/Firmware"), | |
| 245 self.tr( | |
| 246 '<p>The "Calliope mini" is not ready for flashing' | |
| 247 ' the DAPLink firmware. Follow these' | |
| 248 ' instructions. </p>' | |
| 249 '<ul>' | |
| 250 '<li>unplug USB cable and any batteries</li>' | |
| 251 '<li>keep RESET button pressed an plug USB cable' | |
| 252 ' back in</li>' | |
| 253 '<li>a drive called MAINTENANCE should be' | |
| 254 ' available</li>' | |
| 255 '</ul>' | |
| 256 ) | |
| 257 ) | |
| 258 else: | |
| 259 E5MessageBox.critical( | |
| 260 self.microPython, | |
| 261 self.tr("Flash MicroPython/Firmware"), | |
| 262 self.tr( | |
| 263 '<p>The "Calliope mini" is not ready for flashing' | |
| 264 ' the MicroPython firmware. Please make sure,' | |
| 265 ' that a drive called MINI is available.' | |
| 266 '</p>' | |
| 267 ) | |
| 268 ) | |
| 269 elif len(deviceDirectories) == 1: | |
| 270 downloadsPath = QStandardPaths.standardLocations( | |
| 271 QStandardPaths.StandardLocation.DownloadLocation)[0] | |
| 272 firmware = E5FileDialog.getOpenFileName( | |
| 273 self.microPython, | |
| 274 self.tr("Flash MicroPython/Firmware"), | |
| 275 downloadsPath, | |
| 276 self.tr("MicroPython/Firmware Files (*.hex *.bin);;" | |
| 277 "All Files (*)")) | |
| 278 if firmware and os.path.exists(firmware): | |
| 279 shutil.copy2(firmware, deviceDirectories[0]) | |
| 280 else: | |
| 281 E5MessageBox.warning( | |
| 282 self, | |
| 283 self.tr("Flash MicroPython/Firmware"), | |
| 284 self.tr("There are multiple devices ready for flashing." | |
| 285 " Please make sure, that only one device is prepared.") | |
| 286 ) | |
| 287 | |
| 288 @pyqtSlot() | |
| 289 def __saveMain(self): | |
| 290 """ | |
| 291 Private slot to copy the current script as 'main.py' onto the | |
| 292 connected device. | |
| 293 """ | |
| 294 self.__saveScriptToDevice("main.py") | |
| 295 | |
| 296 @pyqtSlot() | |
| 297 def __saveScriptToDevice(self, scriptName=""): | |
| 298 """ | |
| 299 Private method to save the current script onto the connected | |
| 300 device. | |
| 301 | |
| 302 @param scriptName name of the file on the device | |
| 303 @type str | |
| 304 """ | |
| 305 aw = e5App().getObject("ViewManager").activeWindow() | |
| 306 if not aw: | |
| 307 return | |
| 308 | |
| 309 title = ( | |
| 310 self.tr("Save Script as '{0}'").format(scriptName) | |
| 311 if scriptName else | |
| 312 self.tr("Save Script") | |
| 313 ) | |
| 314 | |
| 315 if not (aw.isPyFile() or aw.isMicroPythonFile()): | |
| 316 yes = E5MessageBox.yesNo( | |
| 317 self.microPython, | |
| 318 title, | |
| 319 self.tr("""The current editor does not contain a Python""" | |
| 320 """ script. Write it anyway?""")) | |
| 321 if not yes: | |
| 322 return | |
| 323 | |
| 324 script = aw.text().strip() | |
| 325 if not script: | |
| 326 E5MessageBox.warning( | |
| 327 self.microPython, | |
| 328 title, | |
| 329 self.tr("""The script is empty. Aborting.""")) | |
| 330 return | |
| 331 | |
| 332 if not scriptName: | |
| 333 scriptName = os.path.basename(aw.getFileName()) | |
| 334 scriptName, ok = QInputDialog.getText( | |
| 335 self.microPython, | |
| 336 title, | |
| 337 self.tr("Enter a file name on the device:"), | |
| 338 QLineEdit.EchoMode.Normal, | |
| 339 scriptName) | |
| 340 if not ok or not bool(scriptName): | |
| 341 return | |
| 342 | |
| 343 title = self.tr("Save Script as '{0}'").format(scriptName) | |
| 344 | |
| 345 commands = [ | |
| 346 "fd = open('{0}', 'wb')".format(scriptName), | |
| 347 "f = fd.write", | |
| 348 ] | |
| 349 for line in script.splitlines(): | |
| 350 commands.append("f(" + repr(line + "\n") + ")") | |
| 351 commands.append("fd.close()") | |
| 352 out, err = self.microPython.commandsInterface().execute(commands) | |
| 353 if err: | |
| 354 E5MessageBox.critical( | |
| 355 self.microPython, | |
| 356 title, | |
| 357 self.tr("""<p>The script could not be saved to the""" | |
| 358 """ device.</p><p>Reason: {0}</p>""") | |
| 359 .format(err.decode("utf-8"))) | |
| 360 | |
| 361 # reset the device | |
| 362 self.__resetDevice() | |
| 363 | |
| 364 @pyqtSlot() | |
| 365 def __resetDevice(self): | |
| 366 """ | |
| 367 Private slot to reset the connected device. | |
| 368 """ | |
| 369 if self.getDeviceType() == "bbc_microbit": | |
| 370 # BBC micro:bit | |
| 371 self.microPython.commandsInterface().execute([ | |
| 372 "import microbit", | |
| 373 "microbit.reset()", | |
| 374 ]) | |
| 375 else: | |
| 376 # Calliope mini | |
| 377 self.microPython.commandsInterface().execute([ | |
| 378 "import calliope_mini", | |
| 379 "calliope_mini.reset()", | |
| 380 ]) | |
| 381 | |
| 382 def getDocumentationUrl(self): | |
| 383 """ | |
| 384 Public method to get the device documentation URL. | |
| 385 | |
| 386 @return documentation URL of the device | |
| 387 @rtype str | |
| 388 """ | |
| 389 if self.getDeviceType() == "bbc_microbit": | |
| 390 # BBC micro:bit | |
| 391 return Preferences.getMicroPython("MicrobitDocuUrl") | |
| 392 else: | |
| 393 # Calliope mini | |
| 394 return Preferences.getMicroPython("CalliopeDocuUrl") | |
| 395 | |
| 396 def getDownloadMenuEntries(self): | |
| 397 """ | |
| 398 Public method to retrieve the entries for the downloads menu. | |
| 399 | |
| 400 @return list of tuples with menu text and URL to be opened for each | |
| 401 entry | |
| 402 @rtype list of tuple of (str, str) | |
| 403 """ | |
| 404 if self.getDeviceType() == "bbc_microbit": | |
| 405 return [ | |
| 406 (self.tr("MicroPython Firmware for BBC micro:bit V1"), | |
| 407 Preferences.getMicroPython("MicrobitMicroPythonUrl")), | |
| 408 (self.tr("MicroPython Firmware for BBC micro:bit V2"), | |
| 409 Preferences.getMicroPython("MicrobitV2MicroPythonUrl")), | |
| 410 (self.tr("DAPLink Firmware"), | |
| 411 Preferences.getMicroPython("MicrobitFirmwareUrl")) | |
| 412 ] | |
| 413 else: | |
| 414 return [ | |
| 415 (self.tr("MicroPython Firmware"), | |
| 416 Preferences.getMicroPython("CalliopeMicroPythonUrl")), | |
| 417 (self.tr("DAPLink Firmware"), | |
| 418 Preferences.getMicroPython("CalliopeDAPLinkUrl")) | |
| 419 ] |
