lib/python/Plugins/SystemPlugins/Satfinder/plugin.py

   1 from enigma import eDVBResourceManager,\
   2         eDVBFrontendParametersSatellite, eDVBFrontendParameters
   3
   4 from Screens.Screen import Screen
   5 from Screens.ScanSetup import ScanSetup
   6 from Screens.MessageBox import MessageBox
   7 from Plugins.Plugin import PluginDescriptor
   8
   9 from Components.Label import Label
  10 from Components.Sources.FrontendStatus import FrontendStatus
  11 from Components.ActionMap import ActionMap
  12 from Components.NimManager import nimmanager, getConfigSatlist
  13 from Components.MenuList import MenuList
  14 from Components.config import ConfigSelection, getConfigListEntry
  15
  16 class Tuner:
  17         def __init__(self, frontend):
  18                 self.frontend = frontend
  19
  20         def tune(self, transponder):
  21                 if self.frontend:
  22                         print "tuning to transponder with data", transponder
  23                         parm = eDVBFrontendParametersSatellite()
  24                         parm.frequency = transponder[0] * 1000
  25                         parm.symbol_rate = transponder[1] * 1000
  26                         parm.polarisation = transponder[2]
  27                         parm.fec = transponder[3]
  28                         parm.inversion = transponder[4]
  29                         parm.orbital_position = transponder[5]
  30                         parm.system = 0  # FIXMEE !! HARDCODED DVB-S (add support for DVB-S2)
  31                         parm.modulation = 1 # FIXMEE !! HARDCODED QPSK
  32                         feparm = eDVBFrontendParameters()
  33                         feparm.setDVBS(parm)
  34                         self.lastparm = feparm
  35                         self.frontend.tune(feparm)
  36
  37         def retune(self):
  38                 if self.frontend:
  39                         self.frontend.tune(self.lastparm)
  40
  41 class Satfinder(ScanSetup):
  42         skin = """
  43                 <screen position="90,100" size="520,400" title="Tune">
  44                         <widget name="config" position="20,10" size="460,210" scrollbarMode="showOnDemand" />
  45                         <widget name="introduction" position="20,360" zPosition="-10" size="350,30" font="Regular;23" />
  46                         <eLabel text="dB:" position="23,230" size="60,22" font="Regular;21" />
  47                         <eLabel text="SNR:" position="23,255" size="60,22" font="Regular;21" />
  48                         <eLabel text="AGC:" position="23,280" size="60,22" font="Regular;21" />
  49                         <eLabel text="BER:" position="23,305" size="60,22" font="Regular;21" />
  50                         <eLabel text="Lock:" position="23,330" size="60,22" font="Regular;21" />
  51                         <widget source="Frontend" render="Label" position="295,230" size="60,22" font="Regular;21" >
  52                                 <convert type="FrontendInfo">SNRdB</convert>
  53                         </widget>
  54                         <widget source="Frontend" render="Label" position="295,255" size="60,22" font="Regular;21" >
  55                                 <convert type="FrontendInfo">SNR</convert>
  56                         </widget>
  57                         <widget source="Frontend" render="Label" position="295,280" size="60,22" font="Regular;21" >
  58                                 <convert type="FrontendInfo">AGC</convert>
  59                         </widget>
  60                         <widget source="Frontend" render="Label" position="295,305" size="60,22" font="Regular;21" >
  61                                 <convert type="FrontendInfo">BER</convert>
  62                         </widget>
  63                         <widget source="Frontend" render="Progress" position="85,257" size="200,22" >
  64                                 <convert type="FrontendInfo">SNR</convert>
  65                         </widget>
  66                         <widget source="Frontend" render="Progress" position="85,282" size="200,22" >
  67                                 <convert type="FrontendInfo">AGC</convert>
  68                         </widget>
  69                         <widget source="Frontend" render="Progress" position="85,307" size="200,22" >
  70                                 <convert type="FrontendInfo">BER</convert>
  71                         </widget>
  72                         <widget source="Frontend" render="Pixmap" pixmap="skin_default/buttons/key_green.png" position="295,330" zPosition="4" size="28,20" alphatest="on" >
  73                                 <convert type="FrontendInfo">LOCK</convert>
  74                         <convert type="ConditionalShowHide" />
  75                         </widget>
  76                         <widget source="Frontend" render="Pixmap" pixmap="skin_default/buttons/key_red.png" position="295,330" zPosition="4" size="28,20" alphatest="on" >
  77                                 <convert type="FrontendInfo">LOCK</convert>
  78                         <convert type="ConditionalShowHide">Invert</convert>
  79                         </widget>
  80                 </screen>"""
  81
  82         def openFrontend(self):
  83                 res_mgr = eDVBResourceManager.getInstance()
  84                 if res_mgr:
  85                         self.raw_channel = res_mgr.allocateRawChannel(self.feid)
  86                         if self.raw_channel:
  87                                 self.frontend = self.raw_channel.getFrontend()
  88                                 if self.frontend:
  89                                         return True
  90                                 else:
  91                                         print "getFrontend failed"
  92                         else:
  93                                 print "getRawChannel failed"
  94                 else:
  95                         print "getResourceManager instance failed"
  96                 return False
  97
  98         def __init__(self, session, feid):
  99                 self.initcomplete = False
 100                 self.feid = feid
 101                 self.oldref = None
 102
 103                 if not self.openFrontend():
 104                         self.oldref = session.nav.getCurrentlyPlayingServiceReference()
 105                         session.nav.stopService() # try to disable foreground service
 106                         if not self.openFrontend():
 107                                 if session.pipshown: # try to disable pip
 108                                         session.pipshown = False
 109                                         del session.pip
 110                                         if not self.openFrontend():
 111                                                 self.frontend = None # in normal case this should not happen
 112
 113                 ScanSetup.__init__(self, session)
 114                 self.tuner = Tuner(self.frontend)
 115                 self["introduction"].setText("")
 116                 self["Frontend"] = FrontendStatus(frontend_source = lambda : self.frontend, update_interval = 100)
 117                 self.initcomplete = True
 118
 119         def createSetup(self):
 120                 self.typeOfTuningEntry = None
 121                 self.satEntry = None
 122
 123                 self.list = []
 124                 self.typeOfTuningEntry = getConfigListEntry(_('Tune'), self.tuning_type)
 125                 self.list.append(self.typeOfTuningEntry)
 126                 self.satEntry = getConfigListEntry(_('Satellite'), self.tuning_sat)
 127                 self.list.append(self.satEntry)
 128                 if self.tuning_type.value == "manual_transponder":
 129                         self.list.append(getConfigListEntry(_('Frequency'), self.scan_sat.frequency))
 130                         self.list.append(getConfigListEntry(_('Inversion'), self.scan_sat.inversion))
 131                         self.list.append(getConfigListEntry(_('Symbol Rate'), self.scan_sat.symbolrate))
 132                         self.list.append(getConfigListEntry(_("Polarity"), self.scan_sat.polarization))
 133                         self.list.append(getConfigListEntry(_("FEC"), self.scan_sat.fec))
 134                 elif self.tuning_transponder and self.tuning_type.value == "predefined_transponder":
 135                         self.list.append(getConfigListEntry(_("Transponder"), self.tuning_transponder))
 136                 self["config"].list = self.list
 137                 self["config"].l.setList(self.list)
 138
 139         def newConfig(self):
 140                 if self["config"].getCurrent() == self.typeOfTuningEntry:
 141                         self.createSetup()
 142                 elif self["config"].getCurrent() == self.satEntry:
 143                         self.updateSats()
 144                         self.createSetup()
 145
 146         def sat_changed(self, config_element):
 147                 self.newConfig()
 148                 self.retune(config_element)
 149
 150         def retune(self, configElement):
 151                 returnvalue = (0, 0, 0, 0, 0, 0, 0)
 152                 satpos = self.tuning_sat.orbital_position
 153
 154                 if satpos is not None:
 155                         if self.tuning_type.value == "manual_transponder":
 156                                 returnvalue = (self.scan_sat.frequency.value, self.scan_sat.symbolrate.value, self.scan_sat.polarization.index, self.scan_sat.fec.index, self.scan_sat.inversion.index, satpos)
 157                         elif self.tuning_type.value == "predefined_transponder":
 158                                 transponder = nimmanager.getTransponders(satpos)[self.tuning_transponder.index]
 159                                 returnvalue = (int(transponder[1] / 1000), int(transponder[2] / 1000), transponder[3], transponder[4], 2, satpos)
 160                         self.tune(returnvalue)
 161
 162         def createConfig(self, foo):
 163                 self.tuning_transponder = None
 164                 self.tuning_type = ConfigSelection(choices = [("manual_transponder", _("Manual transponder")), ("predefined_transponder", _("Predefined transponder"))])
 165                 self.tuning_sat = getConfigSatlist(192, nimmanager.getSatListForNim(self.feid))
 166                 ScanSetup.createConfig(self, None)
 167
 168                 self.updateSats()
 169
 170                 self.tuning_type.addNotifier(self.retune, initial_call = False)
 171                 self.tuning_sat.addNotifier(self.sat_changed, initial_call = False)
 172                 self.scan_sat.frequency.addNotifier(self.retune, initial_call = False)
 173                 self.scan_sat.inversion.addNotifier(self.retune, initial_call = False)
 174                 self.scan_sat.symbolrate.addNotifier(self.retune, initial_call = False)
 175                 self.scan_sat.polarization.addNotifier(self.retune, initial_call = False)
 176                 self.scan_sat.fec.addNotifier(self.retune, initial_call = False)
 177
 178         def updateSats(self):
 179                 orb_pos = self.tuning_sat.orbital_position
 180                 if orb_pos is not None:
 181                         transponderlist = nimmanager.getTransponders(orb_pos)
 182                         list = []
 183                         for x in transponderlist:
 184                                 if x[3] == 0:
 185                                         pol = "H"
 186                                 elif x[3] == 1:
 187                                         pol = "V"
 188                                 elif x[3] == 2:
 189                                         pol = "CL"
 190                                 elif x[3] == 3:
 191                                         pol = "CR"
 192                                 else:
 193                                         pol = "??"
 194                                 if x[4] == 0:
 195                                         fec = "FEC_AUTO"
 196                                 elif x[4] == 1:
 197                                         fec = "FEC_1_2"
 198                                 elif x[4] == 2:
 199                                         fec = "FEC_2_3"
 200                                 elif x[4] == 3:
 201                                         fec = "FEC_3_4"
 202                                 elif x[4] == 4:
 203                                         fec = "FEC_5_6"
 204                                 elif x[4] == 5:
 205                                         fec = "FEC_7_8"
 206                                 elif x[4] == 5:
 207                                         fec = "FEC_8_9"
 208                                 elif x[4] == 6:
 209                                         fec = "FEC_None"
 210                                 else:
 211                                         fec = "FEC_Unknown"
 212                                 list.append(str(x[1]) + "," + str(x[2]) + "," + pol + "," + fec)
 213                         self.tuning_transponder = ConfigSelection(choices = list)
 214                         self.tuning_transponder.addNotifier(self.retune, initial_call = False)
 215
 216         def keyGo(self):
 217                 self.retune(self.tuning_type)
 218
 219         def restartPrevService(self, yesno):
 220                 if yesno:
 221                         if self.frontend:
 222                                 self.frontend = None
 223                                 del self.raw_channel
 224                         self.session.nav.playService(self.oldref)
 225                 self.close(None)
 226
 227         def keyCancel(self):
 228                 if self.oldref:
 229                         self.session.openWithCallback(self.restartPrevService, MessageBox, _("Zap back to service before satfinder?"), MessageBox.TYPE_YESNO)
 230                 else:
 231                         self.restartPrevService(False)
 232
 233         def tune(self, transponder):
 234                 if self.initcomplete:
 235                         if transponder is not None:
 236                                 self.tuner.tune(transponder)
 237
 238 class NimSelection(Screen):
 239         skin = """
 240                 <screen position="140,165" size="400,100" title="select Slot">
 241                         <widget name="nimlist" position="20,10" size="360,75" />
 242                 </screen>"""
 243
 244         def __init__(self, session):
 245                 Screen.__init__(self, session)
 246
 247                 nimlist = nimmanager.getNimListOfType("DVB-S")
 248                 nimMenuList = []
 249                 for x in nimlist:
 250                         nimMenuList.append((nimmanager.nim_slots[x].friendly_full_description, x))
 251
 252                 self["nimlist"] = MenuList(nimMenuList)
 253
 254                 self["actions"] = ActionMap(["OkCancelActions"],
 255                 {
 256                         "ok": self.okbuttonClick ,
 257                         "cancel": self.close
 258                 }, -1)
 259
 260         def okbuttonClick(self):
 261                 selection = self["nimlist"].getCurrent()[1]
 262                 self.session.open(Satfinder, selection)
 263
 264 def SatfinderMain(session, **kwargs):
 265         nimList = nimmanager.getNimListOfType("DVB-S")
 266         if len(nimList) == 0:
 267                 session.open(MessageBox, _("No satellite frontend found!!"), MessageBox.TYPE_ERROR)
 268         else:
 269                 if session.nav.RecordTimer.isRecording():
 270                         session.open(MessageBox, _("A recording is currently running. Please stop the recording before trying to start the satfinder."), MessageBox.TYPE_ERROR)
 271                 else:
 272                         if len(nimList) == 1:
 273                                 session.open(Satfinder, nimList[0])
 274                         else:
 275                                 session.open(NimSelection)
 276
 277 def SatfinderStart(menuid, **kwargs):
 278         if menuid == "scan":
 279                 return [(_("Satfinder"), SatfinderMain, "satfinder", None)]
 280         else:
 281                 return []
 282
 283 def Plugins(**kwargs):
 284         if (nimmanager.hasNimType("DVB-S")):
 285                 return PluginDescriptor(name=_("Satfinder"), description="Helps setting up your dish", where = PluginDescriptor.WHERE_MENU, fnc=SatfinderStart)
 286         else:
 287                 return []