src/eric7/MicroPython/EspDevices.py

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

# Copyright (c) 2019 - 2023 Detlev Offenbach <detlev@die-offenbachs.de>
#

"""
Module implementing the device interface class for ESP32 and ESP8266 based
boards.
"""

from PyQt6.QtCore import QProcess, QUrl, pyqtSlot
from PyQt6.QtNetwork import QNetworkRequest
from PyQt6.QtWidgets import QDialog, QMenu

from eric7 import Globals, Preferences
from eric7.EricWidgets import EricMessageBox
from eric7.EricWidgets.EricApplication import ericApp
from eric7.EricWidgets.EricProcessDialog import EricProcessDialog
from eric7.SystemUtilities import PythonUtilities

from .MicroPythonDevices import FirmwareGithubUrls, MicroPythonDevice
from .MicroPythonWidget import HAS_QTCHART


class EspDevice(MicroPythonDevice):
    """
    Class implementing the device for ESP32 and ESP8266 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.__createEsp32Submenu()

    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 True

    def deviceName(self):
        """
        Public method to get the name of the device.

        @return name of the device
        @rtype str
        """
        return self.tr("ESP8266, ESP32")

    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 __createEsp32Submenu(self):
        """
        Private method to create the ESP32 submenu.
        """
        self.__espMenu = QMenu(self.tr("ESP32 Functions"))

        self.__showMpyAct = self.__espMenu.addAction(
            self.tr("Show MicroPython Versions"), self.__showFirmwareVersions
        )
        self.__espMenu.addSeparator()
        self.__eraseFlashAct = self.__espMenu.addAction(
            self.tr("Erase Flash"), self.__eraseFlash
        )
        self.__flashMpyAct = self.__espMenu.addAction(
            self.tr("Flash MicroPython Firmware"), self.__flashMicroPython
        )
        self.__espMenu.addSeparator()
        self.__flashAdditionalAct = self.__espMenu.addAction(
            self.tr("Flash Additional Firmware"), self.__flashAddons
        )
        self.__espMenu.addSeparator()
        self.__backupAct = self.__espMenu.addAction(
            self.tr("Backup Firmware"), self.__backupFlash
        )
        self.__restoreAct = self.__espMenu.addAction(
            self.tr("Restore Firmware"), self.__restoreFlash
        )
        self.__espMenu.addSeparator()
        self.__chipIdAct = self.__espMenu.addAction(
            self.tr("Show Chip ID"), self.__showChipID
        )
        self.__flashIdAct = self.__espMenu.addAction(
            self.tr("Show Flash ID"), self.__showFlashID
        )
        self.__macAddressAct = self.__espMenu.addAction(
            self.tr("Show MAC Address"), self.__showMACAddress
        )
        self.__espMenu.addSeparator()
        self.__resetAct = self.__espMenu.addAction(
            self.tr("Reset Device"), self.__resetDevice
        )
        self.__espMenu.addSeparator()
        self.__espMenu.addAction(self.tr("Install 'esptool.py'"), self.__installEspTool)

    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.__eraseFlashAct.setEnabled(not linkConnected)
        self.__flashMpyAct.setEnabled(not linkConnected)
        self.__flashAdditionalAct.setEnabled(not linkConnected)
        self.__backupAct.setEnabled(not linkConnected)
        self.__restoreAct.setEnabled(not linkConnected)
        self.__chipIdAct.setEnabled(not linkConnected)
        self.__flashIdAct.setEnabled(not linkConnected)
        self.__macAddressAct.setEnabled(not linkConnected)
        self.__resetAct.setEnabled(connected or not linkConnected)

        menu.addMenu(self.__espMenu)

    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 __eraseFlash(self):
        """
        Private slot to erase the device flash memory.
        """
        ok = EricMessageBox.yesNo(
            self.microPython,
            self.tr("Erase Flash"),
            self.tr("""Shall the flash of the selected device really be erased?"""),
        )
        if ok:
            flashArgs = [
                "-u",
                "-m",
                "esptool",
                "--port",
                self.microPython.getCurrentPort(),
                "erase_flash",
            ]
            dlg = EricProcessDialog(
                self.tr("'esptool erase_flash' Output"),
                self.tr("Erase Flash"),
                showProgress=True,
            )
            res = dlg.startProcess(PythonUtilities.getPythonExecutable(), flashArgs)
            if res:
                dlg.exec()

    @pyqtSlot()
    def __flashMicroPython(self):
        """
        Private slot to flash a MicroPython firmware to the device.
        """
        from .EspFirmwareSelectionDialog import EspFirmwareSelectionDialog

        dlg = EspFirmwareSelectionDialog()
        if dlg.exec() == QDialog.DialogCode.Accepted:
            chip, firmware, baudRate, flashMode, flashAddress = dlg.getData()
            flashArgs = [
                "-u",
                "-m",
                "esptool",
                "--chip",
                chip,
                "--port",
                self.microPython.getCurrentPort(),
            ]
            if baudRate != "115200":
                flashArgs += ["--baud", baudRate]
            flashArgs.append("write_flash")
            if flashMode:
                flashArgs += ["--flash_mode", flashMode]
            flashArgs += [
                flashAddress,
                firmware,
            ]
            dlg = EricProcessDialog(
                self.tr("'esptool write_flash' Output"),
                self.tr("Flash MicroPython Firmware"),
                showProgress=True,
            )
            res = dlg.startProcess(PythonUtilities.getPythonExecutable(), flashArgs)
            if res:
                dlg.exec()

    @pyqtSlot()
    def __flashAddons(self):
        """
        Private slot to flash some additional firmware images.
        """
        from .EspFirmwareSelectionDialog import EspFirmwareSelectionDialog

        dlg = EspFirmwareSelectionDialog(addon=True)
        if dlg.exec() == QDialog.DialogCode.Accepted:
            chip, firmware, baudRate, flashMode, flashAddress = dlg.getData()
            flashArgs = [
                "-u",
                "-m",
                "esptool",
                "--chip",
                chip,
                "--port",
                self.microPython.getCurrentPort(),
            ]
            if baudRate != "115200":
                flashArgs += ["--baud", baudRate]
            flashArgs.append("write_flash")
            if flashMode:
                flashArgs += ["--flash_mode", flashMode]
            flashArgs += [
                flashAddress.lower(),
                firmware,
            ]
            dlg = EricProcessDialog(
                self.tr("'esptool write_flash' Output"),
                self.tr("Flash Additional Firmware"),
                showProgress=True,
            )
            res = dlg.startProcess(PythonUtilities.getPythonExecutable(), flashArgs)
            if res:
                dlg.exec()

    @pyqtSlot()
    def __backupFlash(self):
        """
        Private slot to backup the currently flashed firmware.
        """
        from .EspBackupRestoreFirmwareDialog import EspBackupRestoreFirmwareDialog

        dlg = EspBackupRestoreFirmwareDialog(backupMode=True)
        if dlg.exec() == QDialog.DialogCode.Accepted:
            chip, flashSize, baudRate, flashMode, firmware = dlg.getData()
            flashArgs = [
                "-u",
                "-m",
                "esptool",
                "--chip",
                chip,
                "--port",
                self.microPython.getCurrentPort(),
                "--baud",
                baudRate,
                "read_flash",
                "0x0",
                flashSize,
                firmware,
            ]
            dlg = EricProcessDialog(
                self.tr("'esptool read_flash' Output"),
                self.tr("Backup Firmware"),
                showProgress=True,
            )
            res = dlg.startProcess(PythonUtilities.getPythonExecutable(), flashArgs)
            if res:
                dlg.exec()

    @pyqtSlot()
    def __restoreFlash(self):
        """
        Private slot to restore a previously saved firmware.
        """
        from .EspBackupRestoreFirmwareDialog import EspBackupRestoreFirmwareDialog

        dlg = EspBackupRestoreFirmwareDialog(backupMode=False)
        if dlg.exec() == QDialog.DialogCode.Accepted:
            chip, flashSize, baudRate, flashMode, firmware = dlg.getData()
            flashArgs = [
                "-u",
                "-m",
                "esptool",
                "--chip",
                chip,
                "--port",
                self.microPython.getCurrentPort(),
                "--baud",
                baudRate,
                "write_flash",
            ]
            if flashMode:
                flashArgs.extend(
                    [
                        "--flash_mode",
                        flashMode,
                    ]
                )
            if bool(flashSize):
                flashArgs.extend(
                    [
                        "--flash_size",
                        flashSize,
                    ]
                )
            flashArgs.extend(
                [
                    "0x0",
                    firmware,
                ]
            )
            dlg = EricProcessDialog(
                self.tr("'esptool write_flash' Output"),
                self.tr("Restore Firmware"),
                showProgress=True,
            )
            res = dlg.startProcess(PythonUtilities.getPythonExecutable(), flashArgs)
            if res:
                dlg.exec()

    @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":
                url = QUrl(FirmwareGithubUrls["micropython"])
            elif self._deviceData["mpy_name"] == "circuitpython":
                url = QUrl(FirmwareGithubUrls["circuitpython"])
            else:
                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"""
                        """ or CircuitPython. Aborting..."""
                    ),
                )
                return

            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)

        if self._deviceData["mpy_name"] == "circuitpython":
            kind = "CircuitPython"
        elif self._deviceData["mpy_name"] == "micropython":
            kind = "MicroPython"

        msg = self.tr(
            "<h4>{0} Version Information</h4>"
            "<table>"
            "<tr><td>Installed:</td><td>{1}</td></tr>"
            "<tr><td>Available:</td><td>{2}</td></tr>"
            "</table>"
        ).format(kind, currentVersionStr, tag)
        if currentVersion < latestVersion:
            msg += self.tr("<p><b>Update available!</b></p>")

        EricMessageBox.information(
            None,
            self.tr("{0} Version").format(kind),
            msg,
        )

    @pyqtSlot()
    def __showChipID(self):
        """
        Private slot to show the ID of the ESP chip.
        """
        args = [
            "-u",
            "-m",
            "esptool",
            "--port",
            self.microPython.getCurrentPort(),
            "chip_id",
        ]
        dlg = EricProcessDialog(
            self.tr("'esptool chip_id' Output"), self.tr("Show Chip ID")
        )
        res = dlg.startProcess(PythonUtilities.getPythonExecutable(), args)
        if res:
            dlg.exec()

    @pyqtSlot()
    def __showFlashID(self):
        """
        Private slot to show the ID of the ESP flash chip.
        """
        args = [
            "-u",
            "-m",
            "esptool",
            "--port",
            self.microPython.getCurrentPort(),
            "flash_id",
        ]
        dlg = EricProcessDialog(
            self.tr("'esptool flash_id' Output"), self.tr("Show Flash ID")
        )
        res = dlg.startProcess(PythonUtilities.getPythonExecutable(), args)
        if res:
            dlg.exec()

    @pyqtSlot()
    def __showMACAddress(self):
        """
        Private slot to show the MAC address of the ESP chip.
        """
        args = [
            "-u",
            "-m",
            "esptool",
            "--port",
            self.microPython.getCurrentPort(),
            "read_mac",
        ]
        dlg = EricProcessDialog(
            self.tr("'esptool read_mac' Output"), self.tr("Show MAC Address")
        )
        res = dlg.startProcess(PythonUtilities.getPythonExecutable(), args)
        if res:
            dlg.exec()

    @pyqtSlot()
    def __resetDevice(self):
        """
        Private slot to reset the connected device.
        """
        if self.microPython.isConnected():
            self.microPython.commandsInterface().execute(
                [
                    "import machine",
                    "machine.reset()",
                ]
            )
        else:
            # perform a reset via esptool using flash_id command ignoring
            # the output
            args = [
                "-u",
                "-m",
                "esptool",
                "--port",
                self.microPython.getCurrentPort(),
                "flash_id",
            ]
            proc = QProcess()
            proc.start(PythonUtilities.getPythonExecutable(), args)
            procStarted = proc.waitForStarted(10000)
            if procStarted:
                proc.waitForFinished(10000)

    @pyqtSlot()
    def __installEspTool(self):
        """
        Private slot to install the esptool package via pip.
        """
        pip = ericApp().getObject("Pip")
        pip.installPackages(
            ["esptool"], interpreter=PythonUtilities.getPythonExecutable()
        )

    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 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 EspDevice
    """
    return EspDevice(microPythonWidget, deviceType)