diff -r 4e8b98454baa -r 800c432b34c8 eric7/MicroPython/CircuitPythonDevices.py
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/eric7/MicroPython/CircuitPythonDevices.py Sat May 15 18:45:04 2021 +0200
@@ -0,0 +1,312 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2019 - 2021 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+Module implementing the device interface class for CircuitPython boards.
+"""
+
+import shutil
+import os
+
+from PyQt5.QtCore import pyqtSlot
+
+from E5Gui import E5MessageBox, E5FileDialog
+
+from .MicroPythonDevices import MicroPythonDevice
+from .MicroPythonWidget import HAS_QTCHART
+
+import Utilities
+import Preferences
+
+
+class CircuitPythonDevice(MicroPythonDevice):
+ """
+ Class implementing the device for CircuitPython boards.
+ """
+ DeviceVolumeName = "CIRCUITPY"
+
+ def __init__(self, microPythonWidget, deviceType, parent=None):
+ """
+ Constructor
+
+ @param microPythonWidget reference to the main MicroPython widget
+ @type MicroPythonWidget
+ @param deviceType device type assigned to this device interface
+ @type str
+ @param parent reference to the parent object
+ @type QObject
+ """
+ super().__init__(
+ microPythonWidget, deviceType, parent)
+
+ self.__workspace = self.__findWorkspace()
+
+ self.__nonUF2devices = {
+ "teensy": self.__flashTeensy,
+ }
+
+ def setButtons(self):
+ """
+ Public method to enable the supported action buttons.
+ """
+ super().setButtons()
+ self.microPython.setActionButtons(
+ run=True, repl=True, files=True, chart=HAS_QTCHART)
+
+ if self.__deviceVolumeMounted():
+ self.microPython.setActionButtons(open=True, save=True)
+
+ def forceInterrupt(self):
+ """
+ Public method to determine the need for an interrupt when opening the
+ serial connection.
+
+ @return flag indicating an interrupt is needed
+ @rtype bool
+ """
+ return False
+
+ def deviceName(self):
+ """
+ Public method to get the name of the device.
+
+ @return name of the device
+ @rtype str
+ """
+ return self.tr("CircuitPython")
+
+ def canStartRepl(self):
+ """
+ Public method to determine, if a REPL can be started.
+
+ @return tuple containing a flag indicating it is safe to start a REPL
+ and a reason why it cannot.
+ @rtype tuple of (bool, str)
+ """
+ return True, ""
+
+ def canStartPlotter(self):
+ """
+ Public method to determine, if a Plotter can be started.
+
+ @return tuple containing a flag indicating it is safe to start a
+ Plotter and a reason why it cannot.
+ @rtype tuple of (bool, str)
+ """
+ return True, ""
+
+ def canRunScript(self):
+ """
+ Public method to determine, if a script can be executed.
+
+ @return tuple containing a flag indicating it is safe to start a
+ Plotter and a reason why it cannot.
+ @rtype tuple of (bool, str)
+ """
+ return True, ""
+
+ def runScript(self, script):
+ """
+ Public method to run the given Python script.
+
+ @param script script to be executed
+ @type str
+ """
+ pythonScript = script.split("\n")
+ self.sendCommands(pythonScript)
+
+ def canStartFileManager(self):
+ """
+ Public method to determine, if a File Manager can be started.
+
+ @return tuple containing a flag indicating it is safe to start a
+ File Manager and a reason why it cannot.
+ @rtype tuple of (bool, str)
+ """
+ return True, ""
+
+ def supportsLocalFileAccess(self):
+ """
+ Public method to indicate file access via a local directory.
+
+ @return flag indicating file access via local directory
+ @rtype bool
+ """
+ return self.__deviceVolumeMounted()
+
+ def __deviceVolumeMounted(self):
+ """
+ Private method to check, if the device volume is mounted.
+
+ @return flag indicated a mounted device
+ @rtype bool
+ """
+ if self.__workspace and not os.path.exists(self.__workspace):
+ self.__workspace = "" # reset
+
+ return self.DeviceVolumeName in self.getWorkspace(silent=True)
+
+ def getWorkspace(self, silent=False):
+ """
+ Public method to get the workspace directory.
+
+ @param silent flag indicating silent operations
+ @type bool
+ @return workspace directory used for saving files
+ @rtype str
+ """
+ if self.__workspace:
+ # return cached entry
+ return self.__workspace
+ else:
+ self.__workspace = self.__findWorkspace(silent=silent)
+ return self.__workspace
+
+ def __findWorkspace(self, silent=False):
+ """
+ Private method to find the workspace directory.
+
+ @param silent flag indicating silent operations
+ @type bool
+ @return workspace directory used for saving files
+ @rtype str
+ """
+ # Attempts to find the paths on the filesystem that represents the
+ # plugged in CIRCUITPY boards.
+ deviceDirectories = Utilities.findVolume(self.DeviceVolumeName,
+ findAll=True)
+
+ if deviceDirectories:
+ if len(deviceDirectories) == 1:
+ return deviceDirectories[0]
+ else:
+ return self.selectDeviceDirectory(deviceDirectories)
+ else:
+ # return the default workspace and give the user a warning (unless
+ # silent mode is selected)
+ if not silent:
+ E5MessageBox.warning(
+ self.microPython,
+ self.tr("Workspace Directory"),
+ self.tr("Python files for CircuitPython can be edited in"
+ " place, if the device volume is locally"
+ " available. Such a volume was not found. In"
+ " place editing will not be available."
+ )
+ )
+
+ return super().getWorkspace()
+
+ def addDeviceMenuEntries(self, menu):
+ """
+ Public method to add device specific entries to the given menu.
+
+ @param menu reference to the context menu
+ @type QMenu
+ """
+ connected = self.microPython.isConnected()
+
+ act = menu.addAction(self.tr("Flash CircuitPython Firmware"),
+ self.__flashCircuitPython)
+ act.setEnabled(not connected)
+ menu.addSeparator()
+ act = menu.addAction(self.tr("Install Library Files"),
+ self.__installLibraryFiles)
+ act.setEnabled(self.__deviceVolumeMounted())
+
+ def hasFlashMenuEntry(self):
+ """
+ Public method to check, if the device has its own flash menu entry.
+
+ @return flag indicating a specific flash menu entry
+ @rtype bool
+ """
+ return True
+
+ @pyqtSlot()
+ def __flashCircuitPython(self):
+ """
+ Private slot to flash a CircuitPython firmware to the device.
+ """
+ lBoardName = self.microPython.getCurrentBoard().lower()
+ if lBoardName:
+ for name in self.__nonUF2devices:
+ if name in lBoardName:
+ self.__nonUF2devices[name]()
+ break
+ else:
+ from .UF2FlashDialog import UF2FlashDialog
+ dlg = UF2FlashDialog(boardType="circuitpython")
+ dlg.exec()
+
+ def __flashTeensy(self):
+ """
+ Private method to show a message box because Teens does not support
+ the UF2 bootloader yet.
+ """
+ E5MessageBox.information(
+ self.microPython,
+ self.tr("Flash CircuitPython Firmware"),
+ self.tr("""<p>Teensy 4.0 and Teensy 4.1 do not support the UF2"""
+ """ bootloader. Please use the 'Teensy Loader'"""
+ """ application to flash CircuitPython. Make sure you"""
+ """ downloaded the CircuitPython .hex file.</p>"""
+ """<p>See <a href="{0}">the PJRC Teensy web site</a>"""
+ """ for details.</p>""")
+ .format("https://www.pjrc.com/teensy/loader.html"))
+
+ @pyqtSlot()
+ def __installLibraryFiles(self):
+ """
+ Private slot to install Python files into the onboard library.
+ """
+ if not self.__deviceVolumeMounted():
+ E5MessageBox.critical(
+ self.microPython,
+ self.tr("Install Library Files"),
+ self.tr("""The device volume "<b>{0}</b>" is not available."""
+ """ Ensure it is mounted properly and try again."""))
+ return
+
+ target = os.path.join(self.getWorkspace(), "lib")
+ # ensure that the library directory exists on the device
+ if not os.path.isdir(target):
+ os.makedirs(target)
+
+ libraryFiles = E5FileDialog.getOpenFileNames(
+ self.microPython,
+ self.tr("Install Library Files"),
+ os.path.expanduser("~"),
+ self.tr("Compiled Python Files (*.mpy);;"
+ "Python Files (*.py);;"
+ "All Files (*)"))
+
+ for libraryFile in libraryFiles:
+ if os.path.exists(libraryFile):
+ shutil.copy2(libraryFile, target)
+
+ def getDocumentationUrl(self):
+ """
+ Public method to get the device documentation URL.
+
+ @return documentation URL of the device
+ @rtype str
+ """
+ return Preferences.getMicroPython("CircuitPythonDocuUrl")
+
+ def getDownloadMenuEntries(self):
+ """
+ Public method to retrieve the entries for the downloads menu.
+
+ @return list of tuples with menu text and URL to be opened for each
+ entry
+ @rtype list of tuple of (str, str)
+ """
+ return [
+ (self.tr("CircuitPython Firmware"),
+ Preferences.getMicroPython("CircuitPythonFirmwareUrl")),
+ (self.tr("CircuitPython Libraries"),
+ Preferences.getMicroPython("CircuitPythonLibrariesUrl"))
+ ]
