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1 # -*- coding: utf-8 -*- |
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2 |
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3 # Copyright (c) 2019 Detlev Offenbach <detlev@die-offenbachs.de> |
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4 # |
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5 |
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6 """ |
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7 Module implementing a dialog to select the ESP chip type and the backup and |
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8 restore parameters. |
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9 """ |
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10 |
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11 import os |
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12 |
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13 from PyQt5.QtCore import pyqtSlot |
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14 from PyQt5.QtWidgets import QDialog, QDialogButtonBox |
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15 |
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16 from E5Gui.E5PathPicker import E5PathPickerModes |
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17 |
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18 from .Ui_EspBackupRestoreFirmwareDialog import ( |
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19 Ui_EspBackupRestoreFirmwareDialog |
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20 ) |
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21 |
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22 |
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23 class EspBackupRestoreFirmwareDialog(QDialog, |
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24 Ui_EspBackupRestoreFirmwareDialog): |
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25 """ |
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26 Class implementing a dialog to select the ESP chip type and the backup and |
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27 restore parameters. |
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28 """ |
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29 FlashModes = ["qio", "qout", "dio", "dout"] |
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30 FlashSizes = { |
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31 "ESP32": [ |
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32 (" 1 MB", "0x100000"), |
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33 (" 2 MB", "0x200000"), |
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34 (" 4 MB", "0x400000"), |
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35 (" 8 MB", "0x800000"), |
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36 ("16 MB", "0x1000000"), |
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37 ], |
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38 "ESP8266": [ |
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39 ("256 KB", "0x40000"), |
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40 ("512 KB", "0x80000"), |
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41 (" 1 MB", "0x100000"), |
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42 (" 2 MB", "0x200000"), |
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43 (" 4 MB", "0x400000"), |
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44 (" 8 MB", "0x800000"), |
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45 ("16 MB", "0x1000000"), |
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46 ], |
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47 } |
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48 |
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49 def __init__(self, backupMode=True, parent=None): |
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50 """ |
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51 Constructor |
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52 |
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53 @param backupMode flag indicating parameters for a firmware backup are |
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54 requested |
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55 @type bool |
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56 @param parent reference to the parent widget |
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57 @type QWidget |
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58 """ |
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59 super(EspBackupRestoreFirmwareDialog, self).__init__(parent) |
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60 self.setupUi(self) |
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61 |
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62 self.__isBackupMode = backupMode |
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63 |
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64 self.espComboBox.addItems(["", "ESP32", "ESP8266"]) |
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65 |
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66 self.firmwarePicker.setFilters( |
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67 self.tr("Firmware Files (*.img);;All Files (*)")) |
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68 if self.__isBackupMode: |
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69 self.firmwarePicker.setMode( |
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70 E5PathPickerModes.SaveFileEnsureExtensionMode) |
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71 self.modeComboBox.setEnabled(False) |
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72 self.setWindowTitle(self.tr("Backup Firmware")) |
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73 else: |
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74 self.firmwarePicker.setMode(E5PathPickerModes.OpenFileMode) |
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75 self.modeComboBox.addItems(self.FlashModes) |
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76 self.setWindowTitle(self.tr("Restore Firmware")) |
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77 |
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78 msh = self.minimumSizeHint() |
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79 self.resize(max(self.width(), msh.width()), msh.height()) |
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80 |
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81 def __updateOkButton(self): |
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82 """ |
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83 Private method to update the state of the OK button. |
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84 """ |
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85 firmwareFile = self.firmwarePicker.text() |
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86 enable = (bool(self.espComboBox.currentText()) and |
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87 bool(firmwareFile)) |
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88 if self.__isBackupMode: |
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89 enable &= bool(self.sizeComboBox.currentText()) |
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90 else: |
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91 enable &= os.path.exists(firmwareFile) |
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92 self.buttonBox.button(QDialogButtonBox.Ok).setEnabled(enable) |
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93 |
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94 @pyqtSlot(str) |
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95 def on_espComboBox_currentTextChanged(self, chip): |
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96 """ |
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97 Private slot to handle the selection of a chip type. |
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98 |
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99 @param chip selected chip type |
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100 @type str |
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101 """ |
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102 selectedSize = self.sizeComboBox.currentText() |
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103 self.sizeComboBox.clear() |
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104 if chip and chip in self.FlashSizes: |
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105 self.sizeComboBox.addItem("") |
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106 for text, data in self.FlashSizes[chip]: |
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107 self.sizeComboBox.addItem(text, data) |
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108 |
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109 self.sizeComboBox.setCurrentText(selectedSize) |
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110 |
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111 self.__updateOkButton() |
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112 |
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113 @pyqtSlot(str) |
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114 def on_firmwarePicker_textChanged(self, firmware): |
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115 """ |
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116 Private slot handling a change of the firmware path. |
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117 |
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118 @param firmware path to the firmware |
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119 @type str |
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120 """ |
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121 self.__updateOkButton() |
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122 |
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123 def getData(self): |
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124 """ |
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125 Public method to get the entered data. |
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126 |
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127 @return tuple containing the selected chip type, the firmware size, |
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128 the flash mode and the path of the firmware file |
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129 @rtype tuple of (str, str, str, str) |
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130 """ |
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131 return ( |
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132 self.espComboBox.currentText().lower(), |
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133 self.sizeComboBox.currentData(), |
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134 self.modeComboBox.currentText(), |
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135 self.firmwarePicker.text(), |
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136 ) |