kkallasandClaude Opus 5.5
e299ef40f0
Guide, README, quick start and flashing hints no longer say 'no hub' or 'directly to the laptop'; the requirement is a USB 2.0 type-A plug between box and computer (USB-C only is the failing case). Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
365 lines
17 KiB
Python
365 lines
17 KiB
Python
"""Flash firmware tab: only the .bin files in the tool's firmware/ folder,
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chosen by their compile date; App-only by default."""
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from __future__ import annotations
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import datetime as dt
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import tempfile
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from pathlib import Path
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from PySide6.QtCore import QObject, Qt, QTimer, QUrl, Signal
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from PySide6.QtGui import QDesktopServices
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from PySide6.QtWidgets import (
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QButtonGroup,
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QCheckBox,
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QComboBox,
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QGroupBox,
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QHBoxLayout,
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QLabel,
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QMessageBox,
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QPlainTextEdit,
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QProgressBar,
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QPushButton,
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QRadioButton,
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QVBoxLayout,
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QWidget,
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)
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from ..core.session import SESSIONS_DIR
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from ..diag.firmware import local_build, register_local_build, same_build
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from ..flash.image import FIRMWARE_DIR, FirmwareImage, folder_images
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from ..flash.plan import Mode, build_plan
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from ..flash.runner import FlashRunner, Result
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from ..serialio.ports import PortInfo, list_serial_ports
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BACKUP_DIR = SESSIONS_DIR.parent / "backups"
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VERIFY_TIMEOUT_MS = 45_000
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HELP = (
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"<b>If flashing cannot connect:</b> use a data-capable cable with a USB 2.0 type-A plug on the way, close "
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"other programs using the port, then retry. Last resort (case must be opened): hold <b>BOOT</b>, "
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"press and release <b>RESET</b>, release <b>BOOT</b>, and press Start again."
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)
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class _Bridge(QObject):
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step = Signal(int, str)
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progress = Signal(int)
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output = Signal(str)
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done = Signal(object)
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class FlashTab(QWidget):
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def __init__(self, serial_tab, parent: QWidget | None = None):
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super().__init__(parent)
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self.serial_tab = serial_tab
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self._images: list[FirmwareImage] = []
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self._ports: list[PortInfo] = [] # before any signal can call _update()
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self._runner: FlashRunner | None = None
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self._port: PortInfo | None = None
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self._image: FirmwareImage | None = None
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# 1. box
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box = QGroupBox("1. Sensorbox")
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self.port_combo = QComboBox(minimumWidth=360)
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refresh = QPushButton("Refresh")
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refresh.clicked.connect(self.refresh_ports)
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self.box_fw = QLabel(wordWrap=True)
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bl = QVBoxLayout(box)
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row = QHBoxLayout()
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row.addWidget(self.port_combo)
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row.addWidget(refresh)
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row.addStretch(1)
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bl.addLayout(row)
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bl.addWidget(self.box_fw)
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# 2. firmware - only files in the tool's firmware/ folder
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fwbox = QGroupBox("2. Firmware (by compile date)")
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self.image_combo = QComboBox(minimumWidth=360)
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self.image_combo.setToolTip(f"Firmware files in {FIRMWARE_DIR}")
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self.reload_btn = QPushButton("Refresh list")
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self.reload_btn.setToolTip("Read the firmware folder again (after the firmware team added a file)")
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self.reload_btn.clicked.connect(lambda: self._load_images(self._selected_sha()))
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self.folder_btn = QPushButton("Open firmware folder")
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self.folder_btn.clicked.connect(
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lambda: QDesktopServices.openUrl(QUrl.fromLocalFile(str(FIRMWARE_DIR))))
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self.image_info = QLabel(wordWrap=True)
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self.image_info.setTextInteractionFlags(Qt.TextInteractionFlag.TextSelectableByMouse)
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fl = QVBoxLayout(fwbox)
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fl.addWidget(self.image_combo)
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brow = QHBoxLayout()
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brow.addWidget(self.reload_btn)
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brow.addWidget(self.folder_btn)
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brow.addStretch(1)
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fl.addLayout(brow)
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fl.addWidget(self.image_info)
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self._problems: list[str] = []
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# 3. mode
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modebox = QGroupBox("3. What to write")
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self.rb_app = QRadioButton("App only (recommended for repairs)")
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self.rb_full = QRadioButton("Full image (new or completely wiped boards)")
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self.mode_group = QButtonGroup(self)
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self.mode_group.addButton(self.rb_app)
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self.mode_group.addButton(self.rb_full)
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self.rb_app.setChecked(True)
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app_note = QLabel("Replaces the firmware only. Keeps the Matter pairing, the OTA registration and the "
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"settings stored on the box.", wordWrap=True)
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full_note = QLabel("Writes everything like the factory. <b>Erases the Matter pairing and the OTA "
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"registration</b> - the box must be paired again afterwards.", wordWrap=True)
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for n in (app_note, full_note):
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n.setContentsMargins(24, 0, 0, 6)
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n.setStyleSheet("color:#555")
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self.confirm_full = QCheckBox("I understand the pairing and OTA registration will be erased")
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self.backup = QCheckBox("Back up the box's complete flash first (8 MB, about 3 minutes)")
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ml = QVBoxLayout(modebox)
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for w in (self.rb_app, app_note, self.rb_full, full_note, self.confirm_full, self.backup):
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ml.addWidget(w)
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# 4. run
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runbox = QGroupBox("4. Flash")
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self.plan_label = QLabel(wordWrap=True)
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self.start_btn = QPushButton("Start flashing")
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self.start_btn.setMinimumHeight(36)
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self.start_btn.clicked.connect(self._start)
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self.step_label = QLabel()
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self.bar = QProgressBar()
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self.result = QLabel(wordWrap=True)
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self.result.setMargin(8)
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self.result.setTextFormat(Qt.TextFormat.RichText)
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self.details_btn = QPushButton("Show esptool output")
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self.details_btn.setCheckable(True)
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self.output = QPlainTextEdit(readOnly=True)
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self.output.setVisible(False)
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self.details_btn.toggled.connect(self.output.setVisible)
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rl = QVBoxLayout(runbox)
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for w in (self.plan_label, self.start_btn, self.step_label, self.bar, self.result, self.details_btn, self.output):
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rl.addWidget(w)
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help_lbl = QLabel(HELP, wordWrap=True)
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help_lbl.setStyleSheet("color:#555")
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rl.addWidget(help_lbl)
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rl.addStretch(1) # keep the run column packed at the top
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left = QVBoxLayout()
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for w in (box, fwbox, modebox):
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left.addWidget(w)
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left.addStretch(1)
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lay = QHBoxLayout(self)
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lay.addLayout(left, 1)
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lay.addWidget(runbox, 1)
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self._bridge = _Bridge()
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self._bridge.step.connect(self._on_step)
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self._bridge.progress.connect(self.bar.setValue)
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self._bridge.output.connect(self.output.appendPlainText)
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self._bridge.done.connect(self._on_done)
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self._verify_timer = QTimer(self, interval=500)
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self._verify_timer.timeout.connect(self._check_verify)
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for sig in (self.rb_app.toggled, self.confirm_full.toggled, self.backup.toggled):
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sig.connect(self._update)
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self.rb_full.toggled.connect(lambda on: self.backup.setChecked(on)) # backup default on for Full
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self.image_combo.currentIndexChanged.connect(self._update)
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self.port_combo.currentIndexChanged.connect(self._update)
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self._load_images()
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self.refresh_ports()
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self._show_result("", None)
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# ------------------------------------------------------------ setup
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def _load_images(self, select_sha: str | None = None) -> None:
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self._images, self._problems = folder_images()
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for img in self._images: # lets the Serial monitor show a box build's compile date
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register_local_build(img.app.elf_sha, img.app.version, img.app.built, img.name)
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self.image_combo.blockSignals(True)
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self.image_combo.clear()
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for img in self._images:
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self.image_combo.addItem(img.label())
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if not self._images:
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self.image_combo.addItem("No firmware file in the firmware folder")
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idx = next((i for i, im in enumerate(self._images) if im.sha256 == select_sha), 0)
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self.image_combo.setCurrentIndex(idx) # default: newest compile date
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self.image_combo.blockSignals(False)
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self._update()
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def _selected_sha(self) -> str | None:
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img = self._selected_image()
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return img.sha256 if img else None
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def refresh_ports(self) -> None:
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current = self.port_combo.currentData()
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self._ports = list_serial_ports()
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self.port_combo.clear()
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for p in self._ports:
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self.port_combo.addItem(p.label, p.device)
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if not self._ports:
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self.port_combo.addItem("No sensorbox found - check USB cable and power switch", None)
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self.port_combo.setCurrentIndex(max(self.port_combo.findData(current), 0))
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self._update()
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def showEvent(self, event): # noqa: N802 - refresh when the tab is opened
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self.refresh_ports()
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super().showEvent(event)
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# ------------------------------------------------------------ state
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def _selected_image(self) -> FirmwareImage | None:
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i = self.image_combo.currentIndex()
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return self._images[i] if 0 <= i < len(self._images) else None
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def _selected_port(self) -> PortInfo | None:
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dev = self.port_combo.currentData()
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return next((p for p in self._ports if p.device == dev), None)
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def _update(self) -> None:
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img = self._selected_image()
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info = ""
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if img:
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a = img.app
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kind = "complete image (bootloader + layout + app)" if img.kind == "merged" else "app only"
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info = (f"<b>Compiled {a.built}</b> · {a.project} v{a.version}, ESP-IDF {a.idf}, {kind}<br>"
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f"<small>file firmware/{img.name} · build {a.elf_sha[:8]} · "
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f"SHA-256 {img.sha256[:16]}... · checksum OK</small>")
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else:
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info = (f"Put the firmware .bin file from the firmware team into<br><code>{FIRMWARE_DIR}</code><br>"
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"and press <b>Refresh list</b>. Only files in this folder can be flashed.")
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if self._problems:
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info += ("<br><span style='color:#b03a2e'><b>Not offered:</b> "
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+ "; ".join(self._problems) + "</span>")
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self.image_info.setText(info)
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# An app-only file has no bootloader/layout: Full mode is impossible.
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full_ok = bool(img and img.kind == "merged")
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self.rb_full.setEnabled(full_ok and self._runner is None)
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if not full_ok and self.rb_full.isChecked():
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self.rb_app.setChecked(True)
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self.box_fw.setText(self._box_text(img))
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self.confirm_full.setVisible(self.rb_full.isChecked())
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ok = bool(img and self._selected_port() and self._runner is None
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and (self.rb_app.isChecked() or self.confirm_full.isChecked()))
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self.start_btn.setEnabled(ok)
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if img and self._selected_port():
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mode = Mode.APP_ONLY if self.rb_app.isChecked() else Mode.FULL
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steps = ["Back up the complete flash (~3 min)"] if self.backup.isChecked() else []
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if mode == Mode.APP_ONLY:
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steps += ["Check the box has the same partition layout", "Write the firmware app (~20 s)"]
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else:
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steps += ["Write the complete image (~25 s)"]
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steps += ["Restart the box and verify the new firmware boots"]
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self.plan_label.setText("<b>Plan:</b><ol>" + "".join(f"<li>{s}</li>" for s in steps) + "</ol>")
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else:
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self.plan_label.setText("Select a sensorbox and a firmware image.")
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def _box_text(self, img: FirmwareImage | None) -> str:
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fw = self.serial_tab.engine.firmware
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if not fw.elf_sha:
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return "Firmware on the box: unknown - connect in the Serial monitor and press Reset & capture to see it."
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msg = f"Box currently runs: {fw.describe()}"
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if not img:
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return msg
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if same_build(fw.elf_sha, img.app.elf_sha):
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return msg + "<br><i>It already has this firmware. Re-flash only if you suspect the firmware is damaged.</i>"
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local = local_build(fw.elf_sha)
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box_built, img_built = _parse_built(fw.built or (local[1] if local else None)), img.app.built_at
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if box_built and img_built and img_built > box_built:
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return msg + f"<br><b style='color:#2e6da4'>The selected firmware is newer (built {img.app.built}).</b>"
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if box_built and img_built and img_built < box_built:
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return msg + ("<br><b style='color:#c77c02'>The selected firmware is OLDER than the box's (the box was "
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"probably updated over OTA). The box updates itself again once online.</b>")
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return msg + "<br><b style='color:#c77c02'>The box runs a different build.</b>"
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# ------------------------------------------------------------ flash
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def _start(self) -> None:
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img, port = self._selected_image(), self._selected_port()
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if not img or not port:
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return
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mode = Mode.APP_ONLY if self.rb_app.isChecked() else Mode.FULL
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what = ("the firmware app (pairing and settings are kept)" if mode == Mode.APP_ONLY
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else "the COMPLETE image (pairing and OTA registration are erased)")
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if QMessageBox.question(self, "Flash firmware",
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f"Write {what}\n\nFirmware: v{img.app.version}, compiled {img.app.built}\n"
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f"File: firmware/{img.name}\nBox: {port.label}\n\n"
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"Keep the box powered and the USB cable connected until it finishes.",
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QMessageBox.StandardButton.Ok | QMessageBox.StandardButton.Cancel
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) != QMessageBox.StandardButton.Ok:
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return
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backup_to = None
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if self.backup.isChecked():
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BACKUP_DIR.mkdir(parents=True, exist_ok=True)
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stamp = dt.datetime.now().strftime("%Y%m%d_%H%M%S")
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backup_to = BACKUP_DIR / f"{(port.mac or port.device).replace(':', '')}_{stamp}.bin"
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plan = build_plan(img, mode, port.device, Path(tempfile.mkdtemp(prefix="kota_flash_")), backup_to)
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self._port, self._image = port, img
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self.serial_tab.release_port() # esptool needs the port exclusively
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self.output.clear()
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self.output.appendPlainText("\n".join(plan.summary()))
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self._show_result("", None)
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self._runner = FlashRunner(plan, self._bridge.step.emit, self._bridge.progress.emit,
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self._bridge.output.emit, self._bridge.done.emit)
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self._set_busy(True)
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self._runner.start()
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def _set_busy(self, busy: bool) -> None:
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for w in (self.port_combo, self.image_combo, self.rb_app, self.backup, self.confirm_full,
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self.reload_btn):
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w.setEnabled(not busy)
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self._update()
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def _on_step(self, i: int, title: str) -> None:
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n = len(self._runner.plan.steps) if self._runner else 0
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self.step_label.setText(f"Step {i + 1} of {n + 1}: {title}")
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def _on_done(self, res: Result) -> None:
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self._runner = None
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if not res.ok:
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self._set_busy(False)
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self.step_label.setText("Stopped.")
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hint = f"<p>{res.hint}</p>" if res.hint else ""
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self._show_result(f"<b>Flashing failed.</b> {res.message}{hint}", "error")
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self.details_btn.setChecked(True)
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return
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self.step_label.setText("Final step: restarting the box and checking which firmware it boots...")
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self.bar.setValue(0)
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self._show_result("Firmware written. Waiting for the box to start...", "info")
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self.serial_tab.connect_port(self._port, capture=True)
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self._verify_ms = 0
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self._verify_timer.start()
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def _check_verify(self) -> None:
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self._verify_ms += self._verify_timer.interval()
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self.bar.setValue(min(100, int(100 * self._verify_ms / VERIFY_TIMEOUT_MS)))
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fw = self.serial_tab.engine.firmware
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want = self._image.app.elf_sha[:8]
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done = same_build(fw.elf_sha, self._image.app.elf_sha)
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if done or self._verify_ms >= VERIFY_TIMEOUT_MS:
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self._verify_timer.stop()
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self._set_busy(False)
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self.bar.setValue(100)
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if done:
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self.step_label.setText("Done.")
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self._show_result(f"<b>Success.</b> The box boots the new firmware (build {want}). "
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"Check the Diagnosis panel in the Serial monitor.", "ok")
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else:
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seen = fw.elf_sha[:8] if fw.elf_sha else "no boot seen"
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self._show_result(f"<b>Written, but not verified.</b> Expected build {want}, saw: {seen}. "
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"Open the Serial monitor and press Reset & capture.", "warning")
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def _show_result(self, html: str, kind: str | None) -> None:
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colours = {"ok": ("#2e9e44", "#e3f4e7"), "info": ("#2e6da4", "#e3edf7"),
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"warning": ("#c77c02", "#fdf0d6"), "error": ("#d9534f", "#f9e0df")}
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self.result.setVisible(bool(html))
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if html:
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border, bg = colours[kind or "info"]
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self.result.setStyleSheet(f"QLabel {{ border:2px solid {border}; background:{bg}; border-radius:6px; }}")
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self.result.setText(html)
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def _parse_built(s: str | None) -> dt.datetime | None:
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"""'Jun 29 2026 11:03:32' (app_init "Compile time") -> datetime."""
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if not s:
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return None
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try:
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return dt.datetime.strptime(" ".join(s.split()), "%b %d %Y %H:%M:%S")
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except ValueError:
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return None
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