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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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131
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20 class RegisterModel(QAbstractTableModel):
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21 def __init__(self):
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22 super().__init__()
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23 self.regCount = 15
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24 self.device = None
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25 def rowCount(self, parent):
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26 if parent.isValid():
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27 return 0
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28 if self.device:
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29 return 21 # TODO make variable
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30 else:
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31 return 0
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32 def setDevice(self, dev):
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33 self.device = dev
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34 self.modelReset.emit()
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35 def columnCount(self, parent):
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36 if parent.isValid():
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37 return 0
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38 return 2
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39 def data(self, index, role):
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40 if index.isValid():
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41 row, col = index.row(), index.column()
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42 if role == Qt.DisplayRole:
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43 if col == 0:
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44 return 'R{0}'.format(row)
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45 elif col == 1:
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46 v = self.device.iface.read_reg(row)
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47 return '0x{0:X}'.format(v)
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48
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49 class RegisterView(QTableView):
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50 def __init__(self):
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51 super().__init__()
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52 self.mdl = RegisterModel()
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53 self.setModel(self.mdl)
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54
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129
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55 class DeviceTreeModel(QAbstractItemModel):
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56 def __init__(self):
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57 super().__init__()
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58 self.chipPixmap = QPixmap('chip.png').scaled(32, 32)
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130
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59 self.hardwarePixmap = QPixmap('hardware.png').scaled(32, 32)
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129
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60 self.refresh()
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61 def refresh(self):
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62 """ Check all usb interfaces for interfaces """
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63 self.interfaces = devices.createInterfaces()
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64 self.devices = []
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65 self.modelReset.emit()
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66 def addDevice(self, device):
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67 if device.iface in [lambda d: d.iface for d in self.devices]:
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68 print('device already open')
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69 return
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70 self.devices.append(device)
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71 self.modelReset.emit()
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72 def index(self, row, column, parent):
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73 if parent.isValid():
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74 ip = parent.internalPointer()
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75 if isinstance(ip, Interface):
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76 devs = [d for d in self.devices if d.iface is ip]
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77 return self.createIndex(row, column, devs[row])
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78 else:
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79 iface = self.interfaces[row]
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80 return self.createIndex(row, column, iface)
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81 return idx
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82 def parent(self, index):
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83 if index.isValid():
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84 ip = index.internalPointer()
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85 if isinstance(ip, Interface):
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86 return QModelIndex()
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87 elif isinstance(ip, Device):
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88 iface = ip.iface
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89 row = self.interfaces.index(iface)
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90 return self.createIndex(row, 0, iface)
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91 return QModelIndex()
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92 def rowCount(self, parent):
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93 if parent.isValid():
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94 # non-root level:
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95 ip = parent.internalPointer()
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96 if isinstance(ip, Interface):
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97 devs = [d for d in self.devices if d.iface is ip]
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98 return len(devs)
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99 else:
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100 # root level:
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101 return len(self.interfaces)
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102 return 0
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103 def columnCount(self, parent):
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104 return 1
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105 def data(self, index, role):
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106 if index.isValid():
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107 ip = index.internalPointer()
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108 if role == Qt.DisplayRole:
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109 return str(ip)
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110 elif role == Qt.DecorationRole:
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111 if isinstance(ip, Interface):
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130
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112 return self.hardwarePixmap
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129
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113 if isinstance(ip, Device):
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114 return self.chipPixmap
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115
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130
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116 class DeviceExplorer(QTreeView):
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117 """ Lists all interfaces plugged in and allows selection """
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118 deviceSelected = pyqtSignal(Device)
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119 def __init__(self):
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120 super().__init__()
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121 self.mdl = DeviceTreeModel()
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122 self.setModel(self.mdl)
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123 self.activated.connect(self.openItem)
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124 self.header().close()
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125 self.customContextMenuRequested.connect(self.openMenu)
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126 self.setContextMenuPolicy(Qt.CustomContextMenu)
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127 def openItem(self, idx):
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128 if idx.isValid():
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129 ip = idx.internalPointer()
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130 if isinstance(ip, Interface):
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131 if not ip.IsOpen:
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132 ip.open()
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133 # Try to get a device:
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134 self.mdl.addDevice(ip.createDevice())
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135 if isinstance(ip, Device):
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136 self.deviceSelected.emit(ip)
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137 def openMenu(self, pt):
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138 idx = self.indexAt(pt)
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139 menu = QMenu()
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140 menu.addAction('Refresh', self.mdl.refresh)
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141 if idx.isValid():
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142 ip = idx.internalPointer()
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143 if isinstance(ip, Interface):
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144 if ip.IsOpen:
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145 def closeInterface():
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146 self.mdl.closeInterface(ip)
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147 menu.addAction('Close', closeInterface)
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148 else:
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149 def openInterface():
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150 ip.open()
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151 # Try to get a device:
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152 self.mdl.addDevice(ip.createDevice())
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153 menu.addAction('Open', openInterface)
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154 elif isinstance(ip, Device):
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155 def selectDevice():
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156 self.deviceSelected.emit(ip)
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157 menu.addAction('Select', selectDevice)
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158 menu.exec(self.mapToGlobal(pt))
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159
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127
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160 class StUtil(QMainWindow):
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161 connected = pyqtSignal(bool)
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162 def __init__(self):
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163 super().__init__()
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164 self.stl = None
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165 def buildAction(name, callback, shortcut=None):
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166 a = QAction(name, self)
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167 a.triggered.connect(callback)
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168 if shortcut:
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169 a.setShortcut(shortcut)
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170 return a
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171 mb = self.menuBar()
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172 fileMenu = mb.addMenu("File")
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173 self.connectAction = buildAction('Connect', self.connect)
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174 fileMenu.addAction(self.connectAction)
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175 self.disconnectAction = buildAction('Disconnect', self.disconnect)
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176 fileMenu.addAction(self.disconnectAction)
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177
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178 self.miscMenu = mb.addMenu("Misc")
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179 infoAction = buildAction('Info', self.info)
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180 self.miscMenu.addAction(infoAction)
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181
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182 sb = self.statusBar()
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183
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130
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184 devexplr = DeviceExplorer()
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185 self.setCentralWidget(devexplr)
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186 devexplr.deviceSelected.connect(self.handleDeviceSelected)
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129
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187
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127
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188 self.connected.connect(self.handleConnectedChange)
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189 self.connected.emit(False)
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130
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190 def handleDeviceSelected(self, dev):
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191 self.dev = dev
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192 self.handleConnectedChange(True)
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127
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193 def handleConnectedChange(self, state):
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194 self.miscMenu.setEnabled(state)
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195 self.connectAction.setEnabled(not state)
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196 self.disconnectAction.setEnabled(state)
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197 msg = 'Connected!' if state else 'Disconnected!'
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198 self.statusBar().showMessage(msg)
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199 def info(self):
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200 infoDialog = InformationDialog(self)
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201 infoDialog.exec()
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202 def connect(self):
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203 try:
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204 self.stl = stlink.STLink()
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205 self.stl.open()
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206 except (stlink.STLinkException, usb.UsbError) as e:
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207 QMessageBox.warning(self, "Error", str(e))
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208 self.stl = None
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209 if self.stl:
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210 self.connected.emit(True)
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211 def disconnect(self):
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212 if self.stl:
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213 self.stl.close()
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214 self.connected.emit(False)
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215 self.stl = None
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216
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217 if __name__ == '__main__':
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218 app = QApplication(sys.argv)
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219 stu = StUtil()
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220 stu.show()
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221 app.exec()
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222
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