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127
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1 #!/usr/bin/python
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2
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3 import sys
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4 from PyQt4.QtCore import *
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5 from PyQt4.QtGui import *
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129
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6 import stlink, devices, stm32
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7 from devices import Interface, Device
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127
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8
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9 class InformationDialog(QDialog):
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10 def __init__(self, parent):
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11 super().__init__(parent)
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12 self.setWindowTitle('Info')
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13 fl = QFormLayout(self)
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14 if parent.stl:
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15 fl.addRow('ST link version:', QLabel(parent.stl.Version))
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16 fl.addRow('Chip id:', QLabel('0x{0:X}'.format(parent.stl.ChipId)))
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17 fl.addRow('Current mode:', QLabel(parent.stl.CurrentModeString))
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18 fl.addRow('Status:', QLabel(parent.stl.StatusString))
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19
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129
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20 class DeviceTreeModel(QAbstractItemModel):
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21 def __init__(self):
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22 super().__init__()
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23 self.chipPixmap = QPixmap('chip.png').scaled(32, 32)
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130
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24 self.hardwarePixmap = QPixmap('hardware.png').scaled(32, 32)
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129
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25 self.refresh()
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26 def refresh(self):
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27 """ Check all usb interfaces for interfaces """
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28 self.interfaces = devices.createInterfaces()
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29 self.devices = []
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30 self.modelReset.emit()
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31 def addDevice(self, device):
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32 if device.iface in [lambda d: d.iface for d in self.devices]:
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33 print('device already open')
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34 return
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35 self.devices.append(device)
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36 self.modelReset.emit()
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37 def index(self, row, column, parent):
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38 if parent.isValid():
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39 ip = parent.internalPointer()
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40 if isinstance(ip, Interface):
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41 devs = [d for d in self.devices if d.iface is ip]
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42 return self.createIndex(row, column, devs[row])
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43 else:
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44 iface = self.interfaces[row]
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45 return self.createIndex(row, column, iface)
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46 return idx
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47 def parent(self, index):
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48 if index.isValid():
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49 ip = index.internalPointer()
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50 if isinstance(ip, Interface):
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51 return QModelIndex()
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52 elif isinstance(ip, Device):
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53 iface = ip.iface
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54 row = self.interfaces.index(iface)
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55 return self.createIndex(row, 0, iface)
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56 return QModelIndex()
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57 def rowCount(self, parent):
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58 if parent.isValid():
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59 # non-root level:
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60 ip = parent.internalPointer()
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61 if isinstance(ip, Interface):
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62 devs = [d for d in self.devices if d.iface is ip]
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63 return len(devs)
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64 else:
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65 # root level:
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66 return len(self.interfaces)
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67 return 0
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68 def columnCount(self, parent):
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69 return 1
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70 def data(self, index, role):
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71 if index.isValid():
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72 ip = index.internalPointer()
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73 if role == Qt.DisplayRole:
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74 return str(ip)
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75 elif role == Qt.DecorationRole:
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76 if isinstance(ip, Interface):
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130
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77 return self.hardwarePixmap
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129
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78 if isinstance(ip, Device):
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79 return self.chipPixmap
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80
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130
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81 class DeviceExplorer(QTreeView):
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82 """ Lists all interfaces plugged in and allows selection """
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83 deviceSelected = pyqtSignal(Device)
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84 def __init__(self):
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85 super().__init__()
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86 self.mdl = DeviceTreeModel()
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87 self.setModel(self.mdl)
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88 self.activated.connect(self.openItem)
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89 self.header().close()
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90 self.customContextMenuRequested.connect(self.openMenu)
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91 self.setContextMenuPolicy(Qt.CustomContextMenu)
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92 def openItem(self, idx):
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93 if idx.isValid():
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94 ip = idx.internalPointer()
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95 if isinstance(ip, Interface):
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96 if not ip.IsOpen:
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97 ip.open()
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98 # Try to get a device:
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99 self.mdl.addDevice(ip.createDevice())
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100 if isinstance(ip, Device):
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101 self.deviceSelected.emit(ip)
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102 def openMenu(self, pt):
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103 idx = self.indexAt(pt)
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104 menu = QMenu()
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105 menu.addAction('Refresh', self.mdl.refresh)
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106 if idx.isValid():
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107 ip = idx.internalPointer()
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108 if isinstance(ip, Interface):
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109 if ip.IsOpen:
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110 def closeInterface():
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111 self.mdl.closeInterface(ip)
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112 menu.addAction('Close', closeInterface)
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113 else:
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114 def openInterface():
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115 ip.open()
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116 # Try to get a device:
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117 self.mdl.addDevice(ip.createDevice())
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118 menu.addAction('Open', openInterface)
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119 elif isinstance(ip, Device):
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120 def selectDevice():
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121 self.deviceSelected.emit(ip)
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122 menu.addAction('Select', selectDevice)
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123 menu.exec(self.mapToGlobal(pt))
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124
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127
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125 class StUtil(QMainWindow):
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126 connected = pyqtSignal(bool)
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127 def __init__(self):
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128 super().__init__()
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129 self.stl = None
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130 def buildAction(name, callback, shortcut=None):
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131 a = QAction(name, self)
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132 a.triggered.connect(callback)
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133 if shortcut:
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134 a.setShortcut(shortcut)
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135 return a
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136 mb = self.menuBar()
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137 fileMenu = mb.addMenu("File")
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138 self.connectAction = buildAction('Connect', self.connect)
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139 fileMenu.addAction(self.connectAction)
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140 self.disconnectAction = buildAction('Disconnect', self.disconnect)
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141 fileMenu.addAction(self.disconnectAction)
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142
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143 self.miscMenu = mb.addMenu("Misc")
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144 infoAction = buildAction('Info', self.info)
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145 self.miscMenu.addAction(infoAction)
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146
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147 sb = self.statusBar()
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148
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130
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149 devexplr = DeviceExplorer()
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150 self.setCentralWidget(devexplr)
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151 devexplr.deviceSelected.connect(self.handleDeviceSelected)
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129
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152
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127
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153 self.connected.connect(self.handleConnectedChange)
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154 self.connected.emit(False)
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130
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155 def handleDeviceSelected(self, dev):
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156 self.dev = dev
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157 self.handleConnectedChange(True)
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127
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158 def handleConnectedChange(self, state):
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159 self.miscMenu.setEnabled(state)
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160 self.connectAction.setEnabled(not state)
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161 self.disconnectAction.setEnabled(state)
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162 msg = 'Connected!' if state else 'Disconnected!'
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163 self.statusBar().showMessage(msg)
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164 def info(self):
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165 infoDialog = InformationDialog(self)
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166 infoDialog.exec()
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167 def connect(self):
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168 try:
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169 self.stl = stlink.STLink()
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170 self.stl.open()
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171 except (stlink.STLinkException, usb.UsbError) as e:
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172 QMessageBox.warning(self, "Error", str(e))
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173 self.stl = None
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174 if self.stl:
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175 self.connected.emit(True)
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176 def disconnect(self):
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177 if self.stl:
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178 self.stl.close()
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179 self.connected.emit(False)
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180 self.stl = None
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181
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182 if __name__ == '__main__':
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183 app = QApplication(sys.argv)
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184 stu = StUtil()
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185 stu.show()
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186 app.exec()
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187
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