src/eric7/MicroPython/TeensyDevices.py

branch
eric7
changeset 9755
1a09700229e7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/eric7/MicroPython/TeensyDevices.py	Sun Feb 12 18:11:20 2023 +0100
@@ -0,0 +1,287 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2023 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+Module implementing the device interface class for Teensy boards with MicroPython.
+"""
+
+from PyQt6.QtCore import QProcess, QUrl, pyqtSlot
+from PyQt6.QtNetwork import QNetworkRequest
+from PyQt6.QtWidgets import QMenu
+
+from eric7 import Globals, Preferences
+from eric7.EricWidgets import EricMessageBox
+from eric7.EricWidgets.EricApplication import ericApp
+
+from .MicroPythonDevices import FirmwareGithubUrls, MicroPythonDevice
+from .MicroPythonWidget import HAS_QTCHART
+
+
+class TeensyDevice(MicroPythonDevice):
+    """
+    Class implementing the device for Teensy boards with MicroPython.
+    """
+
+    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.__createTeensyMenu()
+
+    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
+        )
+
+    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("Teensy")
+
+    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 getDocumentationUrl(self):
+        """
+        Public method to get the device documentation URL.
+
+        @return documentation URL of the device
+        @rtype str
+        """
+        return Preferences.getMicroPython("MicroPythonDocuUrl")
+
+    def getFirmwareUrl(self):
+        """
+        Public method to get the device firmware download URL.
+
+        @return firmware download URL of the device
+        @rtype str
+        """
+        return Preferences.getMicroPython("MicroPythonFirmwareUrl")
+
+    def __createTeensyMenu(self):
+        """
+        Private method to create the microbit submenu.
+        """
+        self.__teensyMenu = QMenu(self.tr("Teensy Functions"))
+
+        self.__showMpyAct = self.__teensyMenu.addAction(
+            self.tr("Show MicroPython Versions"), self.__showFirmwareVersions
+        )
+        self.__teensyMenu.addSeparator()
+        self.__teensyMenu.addAction(
+            self.tr("MicroPython Flash Instructions"), self.__showFlashInstructions
+        )
+        self.__flashMpyAct = self.__teensyMenu.addAction(
+            self.tr("Flash MicroPython Firmware"), self.__startTeensyLoader
+        )
+        self.__flashMpyAct.setToolTip(
+            self.tr("Start the 'Teensy Loader' application to flash the Teensy device.")
+        )
+
+    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()
+        linkConnected = self.microPython.isLinkConnected()
+
+        self.__showMpyAct.setEnabled(connected)
+        self.__flashMpyAct.setEnabled(not linkConnected)
+
+        menu.addMenu(self.__teensyMenu)
+
+    @pyqtSlot()
+    def __showFirmwareVersions(self):
+        """
+        Private slot to show the firmware version of the connected device and the
+        available firmware version.
+        """
+        if self.microPython.isConnected():
+            if self._deviceData["mpy_name"] != "micropython":
+                EricMessageBox.critical(
+                    None,
+                    self.tr("Show MicroPython Versions"),
+                    self.tr(
+                        """The firmware of the connected device cannot be"""
+                        """ determined or the board does not run MicroPython."""
+                        """ Aborting..."""
+                    ),
+                )
+            else:
+                ui = ericApp().getObject("UserInterface")
+                request = QNetworkRequest(QUrl(FirmwareGithubUrls["micropython"]))
+                reply = ui.networkAccessManager().head(request)
+                reply.finished.connect(lambda: self.__firmwareVersionResponse(reply))
+
+    def __firmwareVersionResponse(self, reply):
+        """
+        Private method handling the response of the latest version request.
+
+        @param reply reference to the reply object
+        @type QNetworkReply
+        """
+        latestUrl = reply.url().toString()
+        tag = latestUrl.rsplit("/", 1)[-1]
+        while tag and not tag[0].isdecimal():
+            # get rid of leading non-decimal characters
+            tag = tag[1:]
+        latestVersion = Globals.versionToTuple(tag)
+
+        if self._deviceData["mpy_version"] == "unknown":
+            currentVersionStr = self.tr("unknown")
+            currentVersion = (0, 0, 0)
+        else:
+            currentVersionStr = self._deviceData["mpy_version"]
+            currentVersion = Globals.versionToTuple(currentVersionStr)
+
+        msg = self.tr(
+            "<h4>MicroPython Version Information</h4>"
+            "<table>"
+            "<tr><td>Installed:</td><td>{0}</td></tr>"
+            "<tr><td>Available:</td><td>{1}</td></tr>"
+            "</table>"
+        ).format(currentVersionStr, tag)
+        if currentVersion < latestVersion:
+            msg += self.tr("<p><b>Update available!</b></p>")
+
+        EricMessageBox.information(
+            None,
+            self.tr("MicroPython Version"),
+            msg,
+        )
+
+    def __showFlashInstructions(self):
+        """
+        Private method to show a message box with instruction to flash the Teensy.
+        """
+        EricMessageBox.information(
+            self.microPython,
+            self.tr("Flash MicroPython Firmware"),
+            self.tr(
+                """<p>Teensy 4.0 and Teensy 4.1 are flashed using the 'Teensy Loader'"""
+                """ application. Make sure you downloaded the MicroPython or"""
+                """ 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"),
+        )
+
+    def __startTeensyLoader(self):
+        """
+        Private method to start the 'Teensy Loader' application.
+
+        Note: The application must be accessible via the application search path.
+        """
+        ok, _ = QProcess.startDetached("teensy")
+        if not ok:
+            EricMessageBox.warning(
+                self.microPython,
+                self.tr("Start 'Teensy Loader'"),
+                self.tr(
+                    """<p>The 'Teensy Loader' application <b>teensy</b> could not"""
+                    """ be started. Ensure it is in the application search path or"""
+                    """ start it manually.</p>"""
+                ),
+            )
+
+
+def createDevice(microPythonWidget, deviceType, vid, pid, boardName, serialNumber):
+    """
+    Function to instantiate a MicroPython device object.
+
+    @param microPythonWidget reference to the main MicroPython widget
+    @type MicroPythonWidget
+    @param deviceType device type assigned to this device interface
+    @type str
+    @param vid vendor ID
+    @type int
+    @param pid product ID
+    @type int
+    @param boardName name of the board
+    @type str
+    @param serialNumber serial number of the board
+    @type str
+    @return reference to the instantiated device object
+    @rtype PyBoardDevice
+    """
+    return TeensyDevice(microPythonWidget, deviceType)

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