Mercurial Repositories > eric / file comparison
comparison: eric7/MicroPython/PyBoardDevices.py
eric7/MicroPython/PyBoardDevices.py
- branch
- eric7
- changeset 8312
- 800c432b34c8
- parent 8220
- 006ee31b4835
- child 8318
- 962bce857696
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| 8311:4e8b98454baa | 8312:800c432b34c8 |
|---|---|
| 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 PyBoard boards. | |
| 8 """ | |
| 9 | |
| 10 import os | |
| 11 | |
| 12 from PyQt5.QtCore import pyqtSlot, QStandardPaths | |
| 13 | |
| 14 from E5Gui import E5MessageBox, E5FileDialog | |
| 15 from E5Gui.E5Application import e5App | |
| 16 from E5Gui.E5ProcessDialog import E5ProcessDialog | |
| 17 | |
| 18 from .MicroPythonDevices import MicroPythonDevice | |
| 19 from .MicroPythonWidget import HAS_QTCHART | |
| 20 | |
| 21 import Utilities | |
| 22 import Preferences | |
| 23 | |
| 24 | |
| 25 class PyBoardDevice(MicroPythonDevice): | |
| 26 """ | |
| 27 Class implementing the device for PyBoard boards. | |
| 28 """ | |
| 29 DeviceVolumeName = "PYBFLASH" | |
| 30 | |
| 31 FlashInstructionsURL = ( | |
| 32 "https://github.com/micropython/micropython/wiki/" | |
| 33 "Pyboard-Firmware-Update" | |
| 34 ) | |
| 35 | |
| 36 def __init__(self, microPythonWidget, deviceType, parent=None): | |
| 37 """ | |
| 38 Constructor | |
| 39 | |
| 40 @param microPythonWidget reference to the main MicroPython widget | |
| 41 @type MicroPythonWidget | |
| 42 @param deviceType device type assigned to this device interface | |
| 43 @type str | |
| 44 @param parent reference to the parent object | |
| 45 @type QObject | |
| 46 """ | |
| 47 super().__init__(microPythonWidget, deviceType, parent) | |
| 48 | |
| 49 self.__workspace = self.__findWorkspace() | |
| 50 | |
| 51 def setButtons(self): | |
| 52 """ | |
| 53 Public method to enable the supported action buttons. | |
| 54 """ | |
| 55 super().setButtons() | |
| 56 self.microPython.setActionButtons( | |
| 57 run=True, repl=True, files=True, chart=HAS_QTCHART) | |
| 58 | |
| 59 if self.__deviceVolumeMounted(): | |
| 60 self.microPython.setActionButtons(open=True, save=True) | |
| 61 | |
| 62 def forceInterrupt(self): | |
| 63 """ | |
| 64 Public method to determine the need for an interrupt when opening the | |
| 65 serial connection. | |
| 66 | |
| 67 @return flag indicating an interrupt is needed | |
| 68 @rtype bool | |
| 69 """ | |
| 70 return False | |
| 71 | |
| 72 def deviceName(self): | |
| 73 """ | |
| 74 Public method to get the name of the device. | |
| 75 | |
| 76 @return name of the device | |
| 77 @rtype str | |
| 78 """ | |
| 79 return self.tr("PyBoard") | |
| 80 | |
| 81 def canStartRepl(self): | |
| 82 """ | |
| 83 Public method to determine, if a REPL can be started. | |
| 84 | |
| 85 @return tuple containing a flag indicating it is safe to start a REPL | |
| 86 and a reason why it cannot. | |
| 87 @rtype tuple of (bool, str) | |
| 88 """ | |
| 89 return True, "" | |
| 90 | |
| 91 def canStartPlotter(self): | |
| 92 """ | |
| 93 Public method to determine, if a Plotter can be started. | |
| 94 | |
| 95 @return tuple containing a flag indicating it is safe to start a | |
| 96 Plotter and a reason why it cannot. | |
| 97 @rtype tuple of (bool, str) | |
| 98 """ | |
| 99 return True, "" | |
| 100 | |
| 101 def canRunScript(self): | |
| 102 """ | |
| 103 Public method to determine, if a script can be executed. | |
| 104 | |
| 105 @return tuple containing a flag indicating it is safe to start a | |
| 106 Plotter and a reason why it cannot. | |
| 107 @rtype tuple of (bool, str) | |
| 108 """ | |
| 109 return True, "" | |
| 110 | |
| 111 def runScript(self, script): | |
| 112 """ | |
| 113 Public method to run the given Python script. | |
| 114 | |
| 115 @param script script to be executed | |
| 116 @type str | |
| 117 """ | |
| 118 pythonScript = script.split("\n") | |
| 119 self.sendCommands(pythonScript) | |
| 120 | |
| 121 def canStartFileManager(self): | |
| 122 """ | |
| 123 Public method to determine, if a File Manager can be started. | |
| 124 | |
| 125 @return tuple containing a flag indicating it is safe to start a | |
| 126 File Manager and a reason why it cannot. | |
| 127 @rtype tuple of (bool, str) | |
| 128 """ | |
| 129 return True, "" | |
| 130 | |
| 131 def supportsLocalFileAccess(self): | |
| 132 """ | |
| 133 Public method to indicate file access via a local directory. | |
| 134 | |
| 135 @return flag indicating file access via local directory | |
| 136 @rtype bool | |
| 137 """ | |
| 138 return self.__deviceVolumeMounted() | |
| 139 | |
| 140 def __deviceVolumeMounted(self): | |
| 141 """ | |
| 142 Private method to check, if the device volume is mounted. | |
| 143 | |
| 144 @return flag indicated a mounted device | |
| 145 @rtype bool | |
| 146 """ | |
| 147 if self.__workspace and not os.path.exists(self.__workspace): | |
| 148 self.__workspace = "" # reset | |
| 149 | |
| 150 return self.DeviceVolumeName in self.getWorkspace(silent=True) | |
| 151 | |
| 152 def getWorkspace(self, silent=False): | |
| 153 """ | |
| 154 Public method to get the workspace directory. | |
| 155 | |
| 156 @param silent flag indicating silent operations | |
| 157 @type bool | |
| 158 @return workspace directory used for saving files | |
| 159 @rtype str | |
| 160 """ | |
| 161 if self.__workspace: | |
| 162 # return cached entry | |
| 163 return self.__workspace | |
| 164 else: | |
| 165 self.__workspace = self.__findWorkspace(silent=silent) | |
| 166 return self.__workspace | |
| 167 | |
| 168 def __findWorkspace(self, silent=False): | |
| 169 """ | |
| 170 Private method to find the workspace directory. | |
| 171 | |
| 172 @param silent flag indicating silent operations | |
| 173 @type bool | |
| 174 @return workspace directory used for saving files | |
| 175 @rtype str | |
| 176 """ | |
| 177 # Attempts to find the path on the filesystem that represents the | |
| 178 # plugged in PyBoard board. | |
| 179 deviceDirectories = Utilities.findVolume(self.DeviceVolumeName, | |
| 180 findAll=True) | |
| 181 | |
| 182 if deviceDirectories: | |
| 183 if len(deviceDirectories) == 1: | |
| 184 return deviceDirectories[0] | |
| 185 else: | |
| 186 return self.selectDeviceDirectory(deviceDirectories) | |
| 187 else: | |
| 188 # return the default workspace and give the user a warning (unless | |
| 189 # silent mode is selected) | |
| 190 if not silent: | |
| 191 E5MessageBox.warning( | |
| 192 self.microPython, | |
| 193 self.tr("Workspace Directory"), | |
| 194 self.tr("Python files for PyBoard can be edited in" | |
| 195 " place, if the device volume is locally" | |
| 196 " available. Such a volume was not found. In" | |
| 197 " place editing will not be available." | |
| 198 ) | |
| 199 ) | |
| 200 | |
| 201 return super().getWorkspace() | |
| 202 | |
| 203 def getDocumentationUrl(self): | |
| 204 """ | |
| 205 Public method to get the device documentation URL. | |
| 206 | |
| 207 @return documentation URL of the device | |
| 208 @rtype str | |
| 209 """ | |
| 210 return Preferences.getMicroPython("MicroPythonDocuUrl") | |
| 211 | |
| 212 def getFirmwareUrl(self): | |
| 213 """ | |
| 214 Public method to get the device firmware download URL. | |
| 215 | |
| 216 @return firmware download URL of the device | |
| 217 @rtype str | |
| 218 """ | |
| 219 return Preferences.getMicroPython("MicroPythonFirmwareUrl") | |
| 220 | |
| 221 def addDeviceMenuEntries(self, menu): | |
| 222 """ | |
| 223 Public method to add device specific entries to the given menu. | |
| 224 | |
| 225 @param menu reference to the context menu | |
| 226 @type QMenu | |
| 227 """ | |
| 228 connected = self.microPython.isConnected() | |
| 229 | |
| 230 act = menu.addAction(self.tr("Activate Bootloader"), | |
| 231 self.__activateBootloader) | |
| 232 act.setEnabled(connected) | |
| 233 act = menu.addAction(self.tr("List DFU-capable Devices"), | |
| 234 self.__listDfuCapableDevices) | |
| 235 act.setEnabled(not connected) | |
| 236 act = menu.addAction(self.tr("Flash MicroPython Firmware"), | |
| 237 self.__flashMicroPython) | |
| 238 act.setEnabled(not connected) | |
| 239 menu.addSeparator() | |
| 240 menu.addAction(self.tr("MicroPython Flash Instructions"), | |
| 241 self.__showFlashInstructions) | |
| 242 | |
| 243 def hasFlashMenuEntry(self): | |
| 244 """ | |
| 245 Public method to check, if the device has its own flash menu entry. | |
| 246 | |
| 247 @return flag indicating a specific flash menu entry | |
| 248 @rtype bool | |
| 249 """ | |
| 250 return True | |
| 251 | |
| 252 @pyqtSlot() | |
| 253 def __showFlashInstructions(self): | |
| 254 """ | |
| 255 Private slot to open the URL containing instructions for installing | |
| 256 MicroPython on the pyboard. | |
| 257 """ | |
| 258 e5App().getObject("UserInterface").launchHelpViewer( | |
| 259 PyBoardDevice.FlashInstructionsURL) | |
| 260 | |
| 261 def __dfuUtilAvailable(self): | |
| 262 """ | |
| 263 Private method to check the availability of dfu-util. | |
| 264 | |
| 265 @return flag indicating the availability of dfu-util | |
| 266 @rtype bool | |
| 267 """ | |
| 268 available = False | |
| 269 program = Preferences.getMicroPython("DfuUtilPath") | |
| 270 if not program: | |
| 271 program = "dfu-util" | |
| 272 if Utilities.isinpath(program): | |
| 273 available = True | |
| 274 else: | |
| 275 if Utilities.isExecutable(program): | |
| 276 available = True | |
| 277 | |
| 278 if not available: | |
| 279 E5MessageBox.critical( | |
| 280 self.microPython, | |
| 281 self.tr("dfu-util not available"), | |
| 282 self.tr("""The dfu-util firmware flashing tool""" | |
| 283 """ <b>dfu-util</b> cannot be found or is not""" | |
| 284 """ executable. Ensure it is in the search path""" | |
| 285 """ or configure it on the MicroPython""" | |
| 286 """ configuration page.""") | |
| 287 ) | |
| 288 | |
| 289 return available | |
| 290 | |
| 291 def __showDfuEnableInstructions(self, flash=True): | |
| 292 """ | |
| 293 Private method to show some instructions to enable the DFU mode. | |
| 294 | |
| 295 @param flash flag indicating to show a warning message for flashing | |
| 296 @type bool | |
| 297 @return flag indicating OK to continue or abort | |
| 298 @rtype bool | |
| 299 """ | |
| 300 msg = self.tr( | |
| 301 "<h3>Enable DFU Mode</h3>" | |
| 302 "<p>1. Disconnect everything from your board</p>" | |
| 303 "<p>2. Disconnect your board</p>" | |
| 304 "<p>3. Connect the DFU/BOOT0 pin with a 3.3V pin</p>" | |
| 305 "<p>4. Re-connect your board</p>" | |
| 306 "<hr />" | |
| 307 ) | |
| 308 | |
| 309 if flash: | |
| 310 msg += self.tr( | |
| 311 "<p><b>Warning:</b> Make sure that all other DFU capable" | |
| 312 " devices except your PyBoard are disconnected." | |
| 313 "<hr />" | |
| 314 ) | |
| 315 | |
| 316 msg += self.tr( | |
| 317 "<p>Press <b>OK</b> to continue...</p>" | |
| 318 ) | |
| 319 res = E5MessageBox.information( | |
| 320 self.microPython, | |
| 321 self.tr("Enable DFU mode"), | |
| 322 msg, | |
| 323 E5MessageBox.StandardButtons( | |
| 324 E5MessageBox.Abort | | |
| 325 E5MessageBox.Ok)) | |
| 326 | |
| 327 return res == E5MessageBox.Ok | |
| 328 | |
| 329 def __showDfuDisableInstructions(self): | |
| 330 """ | |
| 331 Private method to show some instructions to disable the DFU mode. | |
| 332 """ | |
| 333 msg = self.tr( | |
| 334 "<h3>Disable DFU Mode</h3>" | |
| 335 "<p>1. Disconnect your board</p>" | |
| 336 "<p>2. Remove the DFU jumper</p>" | |
| 337 "<p>3. Re-connect your board</p>" | |
| 338 "<hr />" | |
| 339 "<p>Press <b>OK</b> to continue...</p>" | |
| 340 ) | |
| 341 E5MessageBox.information( | |
| 342 self.microPython, | |
| 343 self.tr("Disable DFU mode"), | |
| 344 msg | |
| 345 ) | |
| 346 | |
| 347 @pyqtSlot() | |
| 348 def __listDfuCapableDevices(self): | |
| 349 """ | |
| 350 Private slot to list all DFU-capable devices. | |
| 351 """ | |
| 352 if self.__dfuUtilAvailable(): | |
| 353 ok2continue = self.__showDfuEnableInstructions(flash=False) | |
| 354 if ok2continue: | |
| 355 program = Preferences.getMicroPython("DfuUtilPath") | |
| 356 if not program: | |
| 357 program = "dfu-util" | |
| 358 | |
| 359 args = [ | |
| 360 "--list", | |
| 361 ] | |
| 362 dlg = E5ProcessDialog( | |
| 363 self.tr("'dfu-util' Output"), | |
| 364 self.tr("List DFU capable Devices") | |
| 365 ) | |
| 366 res = dlg.startProcess(program, args) | |
| 367 if res: | |
| 368 dlg.exec() | |
| 369 | |
| 370 @pyqtSlot() | |
| 371 def __flashMicroPython(self): | |
| 372 """ | |
| 373 Private slot to flash a MicroPython firmware. | |
| 374 """ | |
| 375 if self.__dfuUtilAvailable(): | |
| 376 ok2continue = self.__showDfuEnableInstructions() | |
| 377 if ok2continue: | |
| 378 program = Preferences.getMicroPython("DfuUtilPath") | |
| 379 if not program: | |
| 380 program = "dfu-util" | |
| 381 | |
| 382 downloadsPath = QStandardPaths.standardLocations( | |
| 383 QStandardPaths.StandardLocation.DownloadLocation)[0] | |
| 384 firmware = E5FileDialog.getOpenFileName( | |
| 385 self.microPython, | |
| 386 self.tr("Flash MicroPython Firmware"), | |
| 387 downloadsPath, | |
| 388 self.tr( | |
| 389 "MicroPython Firmware Files (*.dfu);;All Files (*)") | |
| 390 ) | |
| 391 if firmware and os.path.exists(firmware): | |
| 392 args = [ | |
| 393 "--alt", "0", | |
| 394 "--download", firmware, | |
| 395 ] | |
| 396 dlg = E5ProcessDialog( | |
| 397 self.tr("'dfu-util' Output"), | |
| 398 self.tr("Flash MicroPython Firmware") | |
| 399 ) | |
| 400 res = dlg.startProcess(program, args) | |
| 401 if res: | |
| 402 dlg.exec() | |
| 403 self.__showDfuDisableInstructions() | |
| 404 | |
| 405 @pyqtSlot() | |
| 406 def __activateBootloader(self): | |
| 407 """ | |
| 408 Private slot to activate the bootloader and disconnect. | |
| 409 """ | |
| 410 if self.microPython.isConnected(): | |
| 411 self.microPython.commandsInterface().execute([ | |
| 412 "import pyb", | |
| 413 "pyb.bootloader()", | |
| 414 ]) | |
| 415 # simulate pressing the disconnect button | |
| 416 self.microPython.on_connectButton_clicked() |
