--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/eric7/MicroPython/Devices/TeensyDevices.py Mon Feb 13 17:49:52 2023 +0100 @@ -0,0 +1,288 @@ +# -*- 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 . import FirmwareGithubUrls +from .DeviceBase import BaseDevice +from ..MicroPythonWidget import HAS_QTCHART + + +class TeensyDevice(BaseDevice): + """ + 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)