Mercurial Repositories > eric / file revision

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

# Copyright (c) 2019 - 2021 Detlev Offenbach <detlev@die-offenbachs.de>
#

"""
Module implementing some utility functions and the MicroPythonDevice base
class.
"""

import logging
import os

from PyQt5.QtCore import pyqtSlot, QObject
from PyQt5.QtWidgets import QInputDialog

from E5Gui.E5Application import e5App

import UI.PixmapCache
import Preferences


SupportedBoards = {
    "esp": {
        "ids": [
            (0x1A86, 0x7523),       # HL-340
            (0x10C4, 0xEA60),       # CP210x
            (0x0403, 0x6001),       # M5Stack ESP32 device"),
            (0x0403, 0x6001),       # FT232/FT245 (XinaBox CW01, CW02)
            (0x0403, 0x6010),       # FT2232C/D/L/HL/Q (ESP-WROVER-KIT)
            (0x0403, 0x6011),       # FT4232
            (0x0403, 0x6014),       # FT232H
            (0x0403, 0x6015),       # Sparkfun ESP32
            (0x0403, 0x601C),       # FT4222H
        ],
        "description": "ESP8266, ESP32",
        "icon": "esp32Device",
        "port_description": "",
    },
    
    "circuitpython": {
        "ids": [
            (0x2B04, 0xC00C),       # Particle Argon
            (0x2B04, 0xC00D),       # Particle Boron
            (0x2B04, 0xC00E),       # Particle Xenon
            (0x239A, None),         # Any Adafruit Boards
            (0x1209, 0xBAB1),       # Electronic Cats Meow Meow
            (0x1209, 0xBAB2),       # Electronic Cats CatWAN USBStick
            (0x1209, 0xBAB3),       # Electronic Cats Bast Pro Mini M0
            (0x1209, 0xBAB6),       # Electronic Cats Escornabot Makech
            (0x1B4F, 0x8D22),       # SparkFun SAMD21 Mini Breakout
            (0x1B4F, 0x8D23),       # SparkFun SAMD21 Dev Breakout
            (0x1209, 0x2017),       # Mini SAM M4
            (0x1209, 0x7102),       # Mini SAM M0
            (0x04D8, 0xEC72),       # XinaBox CC03
            (0x04D8, 0xEC75),       # XinaBox CS11
            (0x04D8, 0xED5E),       # XinaBox CW03
            (0x3171, 0x0101),       # 8086.net Commander
            (0x04D8, 0xED94),       # PyCubed
            (0x04D8, 0xEDBE),       # SAM32
            (0x1D50, 0x60E8),       # PewPew Game Console
            (0x2886, 0x002F),       # Seeed XIAO
            (0x2886, 0x802D),       # Seeed Wio Terminal
            (0x2886, 0x802F),       # Seeed XIAO
            (0x1B4F, 0x0016),       # Sparkfun Thing Plus - SAMD51
            (0x2341, 0x8057),       # Arduino Nano 33 IoT board
            (0x04D8, 0xEAD1),       # DynOSSAT-EDU-EPS
            (0x04D8, 0xEAD2),       # DynOSSAT-EDU-OBC
            (0x1209, 0x4DDD),       # ODT CP Sapling M0
            (0x1209, 0x4DDE),       # ODT CP Sapling M0 w/ SPI Flash
            (0x054C, 0x0BC2),       # Spresense
        ],
        "description": "CircuitPython",
        "icon": "circuitPythonDevice",
        "port_description": "",
    },
    
    "bbc_microbit": {
        "ids": [
            (0x0D28, 0x0204),       # micro:bit
        ],
        "description": "BBC micro:bit",
        "icon": "microbitDevice",
        "port_description": "BBC micro:bit CMSIS-DAP",
    },
    
    "calliope": {
        "ids": [
            (0x0D28, 0x0204),       # Calliope mini
        ],
        "description": "Calliope mini",
        "icon": "calliope_mini",
        "port_description": "DAPLink CMSIS-DAP",
    },
    
    "pyboard": {
        "ids": [
            (0xF055, 0x9800),       # Pyboard in CDC mode
            (0xF055, 0x9801),       # Pyboard in CDC+HID mode
            (0xF055, 0x9802),       # Pyboard in CDC+MSC mode
        ],
        "description": "PyBoard",
        "icon": "micropython48",
        "port_description": "",
    },
}

IgnoredBoards = (
    (0x8086, 0x9c3d),
)


def getSupportedDevices():
    """
    Function to get a list of supported MicroPython devices.
    
    @return set of tuples with the board type and description
    @rtype set of tuples of (str, str)
    """
    boards = []
    for board in SupportedBoards:
        boards.append(
            (board, SupportedBoards[board]["description"]))
    return boards


def getFoundDevices():
    """
    Function to check the serial ports for supported MicroPython devices.
    
    @return tuple containing a list of tuples with the board type, a
        description and the serial port it is connected at for known device
        types and a list of tuples with VID, PID and description for unknown
        devices
    @rtype tuple of (list of tuples of (str, str, str), list of tuples of
        (int, int, str)
    """
    from PyQt5.QtSerialPort import QSerialPortInfo
    
    foundDevices = []
    unknownDevices = []
    
    availablePorts = QSerialPortInfo.availablePorts()
    for port in availablePorts:
        supported = False
        vid = port.vendorIdentifier()
        pid = port.productIdentifier()
        for board in SupportedBoards:
            if ((vid, pid) in SupportedBoards[board]["ids"] or
                    (vid, None) in SupportedBoards[board]["ids"]):
                if board in ("bbc_microbit", "calliope"):
                    # both boards have the same VID and PID
                    # try to differentiate based on port description
                    if (
                        port.description().strip() !=
                        SupportedBoards[board]["port_description"]
                    ):
                        continue
                foundDevices.append(
                    (board,
                     port.description(),
                     SupportedBoards[board]["description"],
                     port.portName()))
                supported = True
        if not supported:
            if vid and pid and (vid, pid) not in IgnoredBoards:
                unknownDevices.append((vid, pid, port.description()))
                logging.debug("Unknown device: (0x%04x:0x%04x %s)",
                              vid, pid, port.description())
    
    return foundDevices, unknownDevices


def getDeviceIcon(boardName, iconFormat=True):
    """
    Function to get the icon for the given board.
    
    @param boardName name of the board
    @type str
    @param iconFormat flag indicating to get an icon or a pixmap
    @type bool
    @return icon for the board (iconFormat == True) or
        a pixmap (iconFormat == False)
    @rtype QIcon or QPixmap
    """
    if boardName in SupportedBoards:
        iconName = SupportedBoards[boardName]["icon"]
    else:
        # return a generic MicroPython icon
        iconName = "micropython48"
    
    if iconFormat:
        return UI.PixmapCache.getIcon(iconName)
    else:
        return UI.PixmapCache.getPixmap(iconName)


def getDevice(deviceType, microPythonWidget):
    """
    Public method to instantiate a specific MicroPython device interface.
    
    @param deviceType type of the device interface
    @type str
    @param microPythonWidget reference to the main MicroPython widget
    @type MicroPythonWidget
    @return instantiated device interface
    @rtype MicroPythonDevice
    """
    if deviceType == "esp":
        from .EspDevices import EspDevice
        return EspDevice(microPythonWidget)
    elif deviceType == "circuitpython":
        from .CircuitPythonDevices import CircuitPythonDevice
        return CircuitPythonDevice(microPythonWidget)
    elif deviceType in ("bbc_microbit", "calliope"):
        from .MicrobitDevices import MicrobitDevice
        return MicrobitDevice(microPythonWidget, deviceType)
    elif deviceType == "pyboard":
        from .PyBoardDevices import PyBoardDevice
        return PyBoardDevice(microPythonWidget)
    else:
        # nothing specific requested
        return MicroPythonDevice(microPythonWidget)


class MicroPythonDevice(QObject):
    """
    Base class for the more specific MicroPython devices.
    """
    def __init__(self, microPythonWidget, parent=None):
        """
        Constructor
        
        @param microPythonWidget reference to the main MicroPython widget
        @type MicroPythonWidget
        @param parent reference to the parent object
        @type QObject
        """
        super(MicroPythonDevice, self).__init__(parent)
        
        self.microPython = microPythonWidget
    
    def setButtons(self):
        """
        Public method to enable the supported action buttons.
        """
        self.microPython.setActionButtons(
            open=False, save=False,
            run=False, repl=False, files=False, chart=False)
    
    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("Unsupported Device")
    
    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 False, self.tr("REPL is not supported by this device.")
    
    def setRepl(self, on):
        """
        Public method to set the REPL status and dependent status.
        
        @param on flag indicating the active status
        @type bool
        """
        pass
    
    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 False, self.tr("Plotter is not supported by this device.")
    
    def setPlotter(self, on):
        """
        Public method to set the Plotter status and dependent status.
        
        @param on flag indicating the active status
        @type bool
        """
        pass
    
    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 False, self.tr("Running scripts is not supported by this"
                              " device.")
    
    def runScript(self, script):
        """
        Public method to run the given Python script.
        
        @param script script to be executed
        @type str
        """
        pass
    
    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 False, self.tr("File Manager is not supported by this device.")
    
    def setFileManager(self, on):
        """
        Public method to set the File Manager status and dependent status.
        
        @param on flag indicating the active status
        @type bool
        """
        pass
    
    def supportsLocalFileAccess(self):
        """
        Public method to indicate file access via a local directory.
        
        @return flag indicating file access via local directory
        @rtype bool
        """
        return False        # default
    
    def getWorkspace(self):
        """
        Public method to get the workspace directory.
        
        @return workspace directory used for saving files
        @rtype str
        """
        return (
            Preferences.getMicroPython("MpyWorkspace") or
            Preferences.getMultiProject("Workspace") or
            os.path.expanduser("~")
        )
    
    def selectDeviceDirectory(self, deviceDirectories):
        """
        Public method to select the device directory from a list of detected
        ones.
        
        @param deviceDirectories list of directories to select from
        @type list of str
        @return selected directory or an empty string
        @rtype str
        """
        deviceDirectory, ok = QInputDialog.getItem(
            None,
            self.tr("Select Device Directory"),
            self.tr("Select the directory for the connected device:"),
            [""] + deviceDirectories,
            0, False)
        if ok:
            return deviceDirectory
        else:
            # user cancelled
            return ""
    
    def sendCommands(self, commandsList):
        """
        Public method to send a list of commands to the device.
        
        @param commandsList list of commands to be sent to the device
        @type list of str
        """
        rawOn = [       # sequence of commands to enter raw mode
            b'\x02',            # Ctrl-B: exit raw repl (just in case)
            b'\r\x03\x03\x03',  # Ctrl-C three times: interrupt any running
                                # program
            b'\r\x01',          # Ctrl-A: enter raw REPL
        ]
        newLine = [b'print("\\n")\r', ]
        commands = [c.encode("utf-8)") + b'\r' for c in commandsList]
        commands.append(b'\r')
        commands.append(b'\x04')
        rawOff = [b'\x02']
        commandSequence = rawOn + newLine + commands + rawOff
        self.microPython.commandsInterface().executeAsync(commandSequence)
    
    @pyqtSlot()
    def handleDataFlood(self):
        """
        Public slot handling a data floof from the device.
        """
        pass
    
    def addDeviceMenuEntries(self, menu):
        """
        Public method to add device specific entries to the given menu.
        
        @param menu reference to the context menu
        @type QMenu
        """
        pass
    
    def hasTimeCommands(self):
        """
        Public method to check, if the device supports time commands.
        
        The default returns True.
        
        @return flag indicating support for time commands
        @rtype bool
        """
        return True
    
    def hasDocumentationUrl(self):
        """
        Public method to check, if the device has a configured documentation
        URL.
        
        @return flag indicating a configured documentation URL
        @rtype bool
        """
        return bool(self.getDocumentationUrl())
    
    def getDocumentationUrl(self):
        """
        Public method to get the device documentation URL.
        
        @return documentation URL of the device
        @rtype str
        """
        return ""
    
    def hasFirmwareUrl(self):
        """
        Public method to check, if the device has a configured firmware
        download URL.
        
        @return flag indicating a configured firmware download URL
        @rtype bool
        """
        return bool(self.getFirmwareUrl())
    
    def getFirmwareUrl(self):
        """
        Public method to get the device firmware download URL.
        
        @return firmware download URL of the device
        @rtype str
        """
        return ""
    
    def downloadFirmware(self):
        """
        Public method to download the device firmware.
        """
        url = self.getFirmwareUrl()
        if url:
            e5App().getObject("UserInterface").launchHelpViewer(url)
    
    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 []