src/eric7/MicroPython/RP2040Devices.py

# -*- coding: utf-8 -*-

# Copyright (c) 2021 - 2023 Detlev Offenbach <detlev@die-offenbachs.de>
#

"""
Module implementing the device interface class for RP2040 based boards
(e.g. Raspberry Pi Pico).
"""

from PyQt6.QtCore import 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 RP2040Device(MicroPythonDevice):
    """
    Class implementing the device for RP2040 based boards.
    """

    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.__createRP2040Menu()

    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("RP2040")

    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 __createRP2040Menu(self):
        """
        Private method to create the microbit submenu.
        """
        self.__rp2040Menu = QMenu(self.tr("RP2040 Functions"))

        self.__showMpyAct = self.__rp2040Menu.addAction(
            self.tr("Show MicroPython Versions"), self.__showFirmwareVersions
        )
        self.__rp2040Menu.addSeparator()
        self.__bootloaderAct = self.__rp2040Menu.addAction(
            self.tr("Activate Bootloader"), self.__activateBootloader
        )
        self.__flashMpyAct = self.__rp2040Menu.addAction(
            self.tr("Flash MicroPython Firmware"), self.__flashPython
        )

    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.__bootloaderAct.setEnabled(connected)
        self.__flashMpyAct.setEnabled(not linkConnected)

        menu.addMenu(self.__rp2040Menu)

    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 __flashPython(self):
        """
        Private slot to flash a MicroPython firmware to the device.
        """
        from .UF2FlashDialog import UF2FlashDialog

        dlg = UF2FlashDialog(boardType="rp2040")
        dlg.exec()

    def __activateBootloader(self):
        """
        Private method to switch the board into 'bootloader' mode.
        """
        if self.microPython.isConnected():
            self.microPython.commandsInterface().execute(
                [
                    "import machine",
                    "machine.bootloader()",
                ]
            )
            # simulate pressing the disconnect button
            self.microPython.on_connectButton_clicked()

    @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:
                if self._deviceData["mpy_variant"] == "Pimoroni":
                    # MicroPython with Pimoroni add-on libraries
                    url = QUrl(FirmwareGithubUrls["pimoroni_pico"])
                else:
                    url = QUrl(FirmwareGithubUrls["micropython"])
                ui = ericApp().getObject("UserInterface")
                request = QNetworkRequest(url)
                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><td></td></tr>"
            "<tr><td>Available:</td><td>{1}</td><td>{2}</td></tr>"
            "</table>"
        ).format(
            currentVersionStr,
            tag,
            self.tr("({0})").format(self._deviceData["mpy_variant"])
            if self._deviceData["mpy_variant"]
            else "",
        )
        if (
            self._deviceData["mpy_variant"] not in ["Pimoroni"]
            and currentVersion < latestVersion
        ):
            # cannot derive that info for 'Pimoroni' variant
            msg += self.tr("<p><b>Update available!</b></p>")

        EricMessageBox.information(
            None,
            self.tr("MicroPython Version"),
            msg,
        )

    def getDocumentationUrl(self):
        """
        Public method to get the device documentation URL.

        @return documentation URL of the device
        @rtype str
        """
        return Preferences.getMicroPython("MicroPythonDocuUrl")

    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("MicroPython Firmware"),
                Preferences.getMicroPython("MicroPythonFirmwareUrl"),
            ),
            ("<separator>", ""),
            (self.tr("Pimoroni Pico Firmware"), FirmwareGithubUrls["pimoroni_pico"]),
            ("<separator>", ""),
            (
                self.tr("CircuitPython Firmware"),
                Preferences.getMicroPython("CircuitPythonFirmwareUrl"),
            ),
            (
                self.tr("CircuitPython Libraries"),
                Preferences.getMicroPython("CircuitPythonLibrariesUrl"),
            ),
        ]


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 RP2040Device
    """
    return RP2040Device(microPythonWidget, deviceType)