wizard/BCpuPage.py

   1 #!/usr/bin/env python
   2 # encoding: utf-8
   3 #
   4 # This file is part of BeRTOS.
   5 #
   6 # Bertos is free software; you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation; either version 2 of the License, or
   9 # (at your option) any later version.
  10 #
  11 # This program is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program; if not, write to the Free Software
  18 # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19 #
  20 # As a special exception, you may use this file as part of a free software
  21 # library without restriction.  Specifically, if other files instantiate
  22 # templates or use macros or inline functions from this file, or you compile
  23 # this file and link it with other files to produce an executable, this
  24 # file does not by itself cause the resulting executable to be covered by
  25 # the GNU General Public License.  This exception does not however
  26 # invalidate any other reasons why the executable file might be covered by
  27 # the GNU General Public License.
  28 #
  29 # Copyright 2008 Develer S.r.l. (http://www.develer.com/)
  30 #
  31 #
  32 # Author: Lorenzo Berni <duplo@develer.com>
  33 #
  34
  35
  36 from BWizardPage import *
  37 import bertos_utils
  38 import qvariant_converter
  39
  40 from const import *
  41
  42 class BCpuPage(BWizardPage):
  43     """
  44     Page of the wizard that permits to choose the cpu from the supported ones.
  45     """
  46
  47     def __init__(self):
  48         BWizardPage.__init__(self, UI_LOCATION + "/cpu_select.ui")
  49         self.setTitle(self.tr("Select the CPU on your board"))
  50         self.freq_modified = False
  51
  52     ## Overloaded QWizardPage methods ##
  53
  54     def isComplete(self):
  55         """
  56         Overload of the QWizardPage isComplete method.
  57         """
  58         if self.pageContent.cpuList.currentRow() != -1:
  59             self.pageContent.frequencyLabel.setVisible(True)
  60             self.pageContent.frequencySpinBox.setVisible(True)
  61             infos = qvariant_converter.getDict(self.pageContent.cpuList.currentItem().data(Qt.UserRole))
  62             for key, value in infos.items():
  63                 if key in CPU_DEF:
  64                     if type(CPU_DEF[key]) == list:
  65                         infos[key] = qvariant_converter.getStringList(value)
  66                     if type(CPU_DEF[key]) == str or type(CPU_DEF) == unicode:
  67                         infos[key] = qvariant_converter.getString(value)
  68                 elif key.startswith(MK_PARAM_ID):
  69                     infos[key] = qvariant_converter.getString(value)
  70                 else:
  71                     del infos[key]
  72             self.setProjectInfo("CPU_INFOS", infos)
  73             self.setProjectInfo("CPU_NAME", unicode(self.pageContent.cpuList.currentItem().text()))
  74             self.setProjectInfo("SELECTED_FREQ", unicode(long(self.pageContent.frequencySpinBox.value())))
  75             tag_dict = self.projectInfo("ALL_CPU_TAGS")
  76             for tag in tag_dict:
  77                 if tag in infos["CPU_TAGS"] + [infos["CPU_NAME"], infos["TOOLCHAIN"]]:
  78                     tag_dict[tag] = True
  79                 else:
  80                     tag_dict[tag] = False
  81             self.setProjectInfo("ALL_CPU_TAGS", tag_dict)
  82             return True
  83         else:
  84             return False
  85
  86     ####
  87
  88     ## Overloaded BWizardPage methods ##
  89
  90     def setupUi(self):
  91         """
  92         Overload of the BWizardPage setupUi method.
  93         """
  94         self.pageContent.cpuList.setSortingEnabled(True)
  95         self.pageContent.frequencyLabel.setVisible(False)
  96         self.pageContent.frequencySpinBox.setVisible(False)
  97         preset_advanced = self.projectInfo("PRESET_ADVANCED_CONFIG")
  98         if preset_advanced:
  99             self.pageContent.cpuList.setEnabled(False)
 100
 101     def connectSignals(self):
 102         """
 103         Overload of the BWizardPage connectSignals method.
 104         """
 105         self.connect(self.pageContent.cpuList, SIGNAL("currentItemChanged(QListWidgetItem *, QListWidgetItem*)"), self.rowChanged)
 106         self.connect(self.pageContent.frequencySpinBox, SIGNAL("editingFinished()"), self.freqChanged)
 107
 108     def reloadData(self, previous_id=None):
 109         """
 110         Overload of the BWizardPage reloadData method.
 111         """
 112         try:
 113             QApplication.instance().setOverrideCursor(Qt.WaitCursor)
 114             self.project.loadSourceTree()
 115             self.populateCpuList()
 116             cpu_name = self.projectInfo("CPU_NAME")
 117             selected_freq = self.projectInfo("SELECTED_FREQ")
 118             self.setupUi()
 119             if cpu_name:
 120                 self.selectItem(cpu_name)
 121                 if selected_freq:
 122                     self.setFrequency(selected_freq)
 123                     self.freq_modified = True
 124         finally:
 125             QApplication.instance().restoreOverrideCursor()
 126         self.emit(SIGNAL("completeChanged()"))
 127
 128     ####
 129
 130     ## Slots ##
 131
 132     def rowChanged(self):
 133         """
 134         Slot called when the user select an entry from the cpu list.
 135         """
 136         if self.pageContent.cpuList.currentItem():
 137             description = qvariant_converter.getDict(self.pageContent.cpuList.currentItem().data(Qt.UserRole))["CPU_DESC"]
 138             description = qvariant_converter.getStringList(description)
 139             if not self.freq_modified:
 140                 # Retrieve the default cpu frequency when the value isn't already modified
 141                 current_freq = qvariant_converter.getDict(self.pageContent.cpuList.currentItem().data(Qt.UserRole))["CPU_DEFAULT_FREQ"]
 142                 current_freq = qvariant_converter.getString(current_freq)
 143                 current_freq = long(current_freq.replace("U", "").replace("L", ""))
 144                 self.pageContent.frequencySpinBox.setValue(long(current_freq))
 145             self.pageContent.descriptionLabel.setText("<br>".join(description))
 146             self.pageContent.descriptionLabel.setVisible(True)
 147             self.emit(SIGNAL("completeChanged()"))
 148
 149     def freqChanged(self):
 150         """
 151         Slot called when the user change the frequency value.
 152         """
 153         self.freq_modified = True
 154         self.emit(SIGNAL("completeChanged()"))
 155
 156     ####
 157
 158     def populateCpuList(self):
 159         """
 160         Fills the cpu list.
 161         """
 162         self.pageContent.cpuList.clear()
 163         self.pageContent.cpuList.setCurrentItem(None)
 164         infos = self.project.getCpuInfos()
 165         tag_list = bertos_utils.getTagSet(infos)
 166         # Create, fill and store the dict with the tags
 167         tag_dict = {}
 168         for element in tag_list:
 169             tag_dict[element] = False
 170         self.setProjectInfo("ALL_CPU_TAGS", tag_dict)
 171         for cpu in infos:
 172             item = QListWidgetItem(cpu["CPU_NAME"])
 173             item.setData(Qt.UserRole, qvariant_converter.convertDict(cpu))
 174             self.pageContent.cpuList.addItem(item)
 175
 176     def selectItem(self, cpu):
 177         """
 178         Selects the given cpu from the list.
 179         """
 180         elements = self.pageContent.cpuList.findItems(cpu, Qt.MatchCaseSensitive)
 181         if len(elements) == 1:
 182             self.pageContent.cpuList.setCurrentItem(elements[0])
 183
 184     def setFrequency(self, frequency):
 185         self.pageContent.frequencySpinBox.setValue(long(frequency))