lib/python/Screens/ScanSetup.py

   1 from Screen import Screen
   2 from Screens.DefaultWizard import DefaultWizard
   3 from ServiceScan import ServiceScan
   4 from Components.config import config, ConfigSubsection, ConfigSelection, \
   5         ConfigYesNo, ConfigInteger, getConfigListEntry, ConfigSlider, ConfigEnableDisable
   6 from Components.ActionMap import NumberActionMap, ActionMap
   7 from Components.ConfigList import ConfigListScreen
   8 from Components.NimManager import nimmanager, getConfigSatlist
   9 from Components.Label import Label
  10 from Tools.Directories import resolveFilename, SCOPE_DEFAULTPARTITIONMOUNTDIR
  11 from Screens.MessageBox import MessageBox
  12 from enigma import eTimer, eDVBFrontendParametersSatellite, eComponentScan, \
  13         eDVBSatelliteEquipmentControl, eDVBFrontendParametersTerrestrial, \
  14         eDVBFrontendParametersCable, eConsoleAppContainer, eDVBResourceManager
  15
  16 def buildTerTransponder(frequency,
  17                 inversion=2, bandwidth = 3, fechigh = 6, feclow = 6,
  18                 modulation = 2, transmission = 2, guard = 4,
  19                 hierarchy = 4):
  20
  21 #       print "freq", frequency, "inv", inversion, "bw", bandwidth, "fech", fechigh, "fecl", feclow, "mod", modulation, "tm", transmission, "guard", guard, "hierarchy", hierarchy
  22
  23         # WARNING: normally, enums are working directly.
  24         # Don't copy this (very bad)!! Instead either fix swig (good) or
  25         # move this into a central place.
  26         Bw8MHz = 0
  27         Bw7MHz = 1
  28         Bw6MHz = 2
  29         #Bw5MHz = 3 #not implemented for e1 compatibilty
  30         BwAuto = 3
  31
  32         f1_2 = 0
  33         f2_3 = 1
  34         f3_4 = 2
  35         f5_6 = 3
  36         f7_8 = 4
  37         fAuto = 5
  38
  39         TM2k = 0
  40         TM8k = 1
  41         #TM4k = 2  #not implemented for e1 compatibilty
  42         TMAuto = 2
  43
  44         GI_1_32 = 0
  45         GI_1_16 = 1
  46         GI_1_8 = 2
  47         GI_1_4 = 3
  48         GI_Auto = 4
  49
  50         HNone = 0
  51         H1 = 1
  52         H2 = 2
  53         H4 = 3
  54         HAuto = 4
  55
  56         QPSK = 0
  57         QAM16 = 1
  58         QAM64 = 2
  59         Auto = 3
  60
  61         Off = 0
  62         On = 1
  63         Unknown = 2
  64
  65         parm = eDVBFrontendParametersTerrestrial()
  66
  67         parm.frequency = frequency
  68
  69         parm.inversion = [Off, On, Unknown][inversion]
  70         parm.bandwidth = [Bw8MHz, Bw7MHz, Bw6MHz, BwAuto][bandwidth] # Bw5MHz unsupported
  71         parm.code_rate_HP = [f1_2, f2_3, f3_4, f5_6, f7_8, fAuto][fechigh]
  72         parm.code_rate_LP = [f1_2, f2_3, f3_4, f5_6, f7_8, fAuto][feclow]
  73         parm.modulation = [QPSK, QAM16, QAM64, Auto][modulation]
  74         parm.transmission_mode = [TM2k, TM8k, TMAuto][transmission] # TM4k unsupported
  75         parm.guard_interval = [GI_1_32, GI_1_16, GI_1_8, GI_1_4, GI_Auto][guard]
  76         parm.hierarchy = [HNone, H1, H2, H4, HAuto][hierarchy]
  77
  78         return parm
  79
  80 def getInitialTransponderList(tlist, pos):
  81         list = nimmanager.getTransponders(pos)
  82         for x in list:
  83                 if x[0] == 0:           #SAT
  84                         parm = eDVBFrontendParametersSatellite()
  85                         parm.frequency = x[1]
  86                         parm.symbol_rate = x[2]
  87                         parm.polarisation = x[3]
  88                         parm.fec = x[4]
  89                         parm.inversion = x[7]
  90                         parm.orbital_position = pos
  91                         parm.system = x[5]
  92                         parm.modulation = x[6]
  93                         parm.rolloff = x[8]
  94                         parm.pilot = x[9]
  95                         tlist.append(parm)
  96
  97 def getInitialCableTransponderList(tlist, nim):
  98         list = nimmanager.getTranspondersCable(nim)
  99         for x in list:
 100                 if x[0] == 1: #CABLE
 101                         parm = eDVBFrontendParametersCable()
 102                         parm.frequency = x[1]
 103                         parm.symbol_rate = x[2]
 104                         parm.modulation = x[3]
 105                         parm.fec_inner = x[4]
 106                         parm.inversion = 2 # AUTO
 107                         #print "frequency:", x[1]
 108                         #print "symbol_rate:", x[2]
 109                         #print "modulation:", x[3]
 110                         #print "fec_inner:", x[4]
 111                         #print "inversion:", 2
 112                         tlist.append(parm)
 113
 114 def getInitialTerrestrialTransponderList(tlist, region):
 115         list = nimmanager.getTranspondersTerrestrial(region)
 116
 117         #self.transponders[self.parsedTer].append((2,freq,bw,const,crh,crl,guard,transm,hierarchy,inv))
 118
 119         #def buildTerTransponder(frequency, inversion = 2, bandwidth = 3, fechigh = 6, feclow = 6,
 120                                 #modulation = 2, transmission = 2, guard = 4, hierarchy = 4):
 121
 122         for x in list:
 123                 if x[0] == 2: #TERRESTRIAL
 124                         parm = buildTerTransponder(x[1], x[9], x[2], x[4], x[5], x[3], x[7], x[6], x[8])
 125                         tlist.append(parm)
 126
 127 cable_bands = {
 128         "DVBC_BAND_EU_VHF_I" : 1 << 0,
 129         "DVBC_BAND_EU_MID" : 1 << 1,
 130         "DVBC_BAND_EU_VHF_III" : 1 << 2,
 131         "DVBC_BAND_EU_SUPER" : 1 << 3,
 132         "DVBC_BAND_EU_HYPER" : 1 << 4,
 133         "DVBC_BAND_EU_UHF_IV" : 1 << 5,
 134         "DVBC_BAND_EU_UHF_V" : 1 << 6,
 135         "DVBC_BAND_US_LO" : 1 << 7,
 136         "DVBC_BAND_US_MID" : 1 << 8,
 137         "DVBC_BAND_US_HI" : 1 << 9,
 138         "DVBC_BAND_US_SUPER" : 1 << 10,
 139         "DVBC_BAND_US_HYPER" : 1 << 11,
 140 }
 141
 142 class CableTransponderSearchSupport:
 143 #       def setCableTransponderSearchResult(self, tlist):
 144 #               pass
 145
 146 #       def cableTransponderSearchFinished(self):
 147 #               pass
 148
 149         def tryGetRawFrontend(self, feid):
 150                 res_mgr = eDVBResourceManager.getInstance()
 151                 if res_mgr:
 152                         raw_channel = res_mgr.allocateRawChannel(self.feid)
 153                         if raw_channel:
 154                                 frontend = raw_channel.getFrontend()
 155                                 if frontend:
 156                                         del frontend
 157                                         del raw_channel
 158                                         return True
 159                 return False
 160
 161         def cableTransponderSearchSessionClosed(self, *val):
 162                 print "cableTransponderSearchSessionClosed, val", val
 163                 self.cable_search_container.appClosed.get().remove(self.cableTransponderSearchClosed)
 164                 self.cable_search_container.dataAvail.get().remove(self.getCableTransponderData)
 165                 self.cable_search_container = None
 166                 self.cable_search_session = None
 167                 if val and len(val) and val[0]:
 168                         self.setCableTransponderSearchResult(self.__tlist)
 169                 self.__tlist = None
 170                 self.cableTransponderSearchFinished()
 171
 172         def cableTransponderSearchClosed(self, retval):
 173                 print "cableTransponderSearch finished", retval
 174                 self.cable_search_session.close(True)
 175
 176         def getCableTransponderData(self, str):
 177                 data = str.split()
 178                 if len(data):
 179                         if data[0] == 'OK':
 180                                 print str
 181                                 qam = { "QAM16" : 1, "QAM32" : 2, "QAM64" : 3, "QAM128" : 4, "QAM256" : 5 }
 182                                 inv = { "INVERSION_OFF" : 0, "INVERSION_ON" : 1 }
 183                                 fec = { "FEC_AUTO" : 0, "FEC_1_2" : 1, "FEC_2_3" : 2, "FEC_3_4" : 3, "FEC_5_6": 4, "FEC_7_8" : 5, "FEC_8_9" : 6, "FEC_NONE" : 15 }
 184                                 parm = eDVBFrontendParametersCable()
 185                                 parm.frequency = int(data[1])
 186                                 parm.symbol_rate = int(data[2])
 187                                 parm.fec_inner = fec[data[3]]
 188                                 parm.modulation = qam[data[4]]
 189                                 parm.inversion = inv[data[5]]
 190                                 self.__tlist.append(parm)
 191                 tmpstr = _("Try to find used Transponders in cable network.. please wait...")
 192                 tmpstr += "\n\n"
 193                 tmpstr += data[1]
 194                 tmpstr += " kHz "
 195                 tmpstr += data[0]
 196                 self.cable_search_session["text"].setText(tmpstr)
 197
 198         def startCableTransponderSearch(self, nim_idx):
 199                 if not self.tryGetRawFrontend(nim_idx):
 200                         self.session.nav.stopService()
 201                         if not self.tryGetRawFrontend(nim_idx):
 202                                 if self.session.pipshown: # try to disable pip
 203                                         self.session.pipshown = False
 204                                         del self.session.pip
 205                                 if not self.tryGetRawFrontend(nim_idx):
 206                                         self.cableTransponderSearchFinished()
 207                                         return
 208                 self.__tlist = [ ]
 209                 self.cable_search_container = eConsoleAppContainer()
 210                 self.cable_search_container.appClosed.get().append(self.cableTransponderSearchClosed)
 211                 self.cable_search_container.dataAvail.get().append(self.getCableTransponderData)
 212                 cableConfig = config.Nims[nim_idx].cable
 213                 cmd = "tda1002x --init --scan --verbose --wakeup --inv 2 --bus "
 214                 #FIXMEEEEEE hardcoded i2c devices for dm7025 and dm8000
 215                 if nim_idx < 2:
 216                         cmd += str(nim_idx)
 217                 else:
 218                         if nim_idx == 2:
 219                                 cmd += "2" # first nim socket on DM8000 use /dev/i2c/2
 220                         else:
 221                                 cmd += "4" # second nim socket on DM8000 use /dev/i2c/4
 222                 if cableConfig.scan_type.value == "bands":
 223                         cmd += " --scan-bands "
 224                         bands = 0
 225                         if cableConfig.scan_band_EU_VHF_I.value:
 226                                 bands |= cable_bands["DVBC_BAND_EU_VHF_I"]
 227                         if cableConfig.scan_band_EU_MID.value:
 228                                 bands |= cable_bands["DVBC_BAND_EU_MID"]
 229                         if cableConfig.scan_band_EU_VHF_III.value:
 230                                 bands |= cable_bands["DVBC_BAND_EU_VHF_III"]
 231                         if cableConfig.scan_band_EU_UHF_IV.value:
 232                                 bands |= cable_bands["DVBC_BAND_EU_UHF_IV"]
 233                         if cableConfig.scan_band_EU_UHF_V.value:
 234                                 bands |= cable_bands["DVBC_BAND_EU_UHF_V"]
 235                         if cableConfig.scan_band_EU_SUPER.value:
 236                                 bands |= cable_bands["DVBC_BAND_EU_SUPER"]
 237                         if cableConfig.scan_band_EU_HYPER.value:
 238                                 bands |= cable_bands["DVBC_BAND_EU_HYPER"]
 239                         if cableConfig.scan_band_US_LOW.value:
 240                                 bands |= cable_bands["DVBC_BAND_US_LO"]
 241                         if cableConfig.scan_band_US_MID.value:
 242                                 bands |= cable_bands["DVBC_BAND_US_MID"]
 243                         if cableConfig.scan_band_US_HIGH.value:
 244                                 bands |= cable_bands["DVBC_BAND_US_HI"]
 245                         if cableConfig.scan_band_US_SUPER.value:
 246                                 bands |= cable_bands["DVBC_BAND_US_SUPER"]
 247                         if cableConfig.scan_band_US_HYPER.value:
 248                                 bands |= cable_bands["DVBC_BAND_US_HYPER"]
 249                         cmd += str(bands)
 250                 else:
 251                         cmd += " --scan-stepsize "
 252                         cmd += str(cableConfig.scan_frequency_steps.value)
 253                 if cableConfig.scan_mod_qam16.value:
 254                         cmd += " --mod 16"
 255                 if cableConfig.scan_mod_qam32.value:
 256                         cmd += " --mod 32"
 257                 if cableConfig.scan_mod_qam64.value:
 258                         cmd += " --mod 64"
 259                 if cableConfig.scan_mod_qam128.value:
 260                         cmd += " --mod 128"
 261                 if cableConfig.scan_mod_qam256.value:
 262                         cmd += " --mod 256"
 263                 if cableConfig.scan_sr_6900.value:
 264                         cmd += " --sr 6900000"
 265                 if cableConfig.scan_sr_6875.value:
 266                         cmd += " --sr 6875000"
 267                 if cableConfig.scan_sr_ext1.value > 450:
 268                         cmd += " --sr "
 269                         cmd += str(cableConfig.scan_sr_ext1.value)
 270                         cmd += "000"
 271                 if cableConfig.scan_sr_ext2.value > 450:
 272                         cmd += " --sr "
 273                         cmd += str(cableConfig.scan_sr_ext2.value)
 274                         cmd += "000"
 275                 print "TDA1002x CMD is", cmd
 276
 277                 self.cable_search_container.execute(cmd)
 278                 tmpstr = _("Try to find used transponders in cable network.. please wait...")
 279                 tmpstr += "\n\n..."
 280                 self.cable_search_session = self.session.openWithCallback(self.cableTransponderSearchSessionClosed, MessageBox, tmpstr, MessageBox.TYPE_INFO)
 281
 282 class DefaultSatLists(DefaultWizard):
 283         def __init__(self, session, silent = True, showSteps = False):
 284                 DefaultWizard.__init__(self, session, silent, showSteps, neededTag = "services")
 285
 286         def setDirectory(self):
 287                 self.directory = resolveFilename(SCOPE_DEFAULTPARTITIONMOUNTDIR)
 288                 self.xmlfile = "defaultsatlists.xml"
 289
 290 class ScanSetup(ConfigListScreen, Screen, CableTransponderSearchSupport):
 291         def __init__(self, session):
 292                 Screen.__init__(self, session)
 293
 294                 self.finished_cb = None
 295                 self.updateSatList()
 296                 self.service = session.nav.getCurrentService()
 297                 self.feinfo = None
 298                 frontendData = None
 299                 if self.service is not None:
 300                         self.feinfo = self.service.frontendInfo()
 301                         frontendData = self.feinfo and self.feinfo.getAll(True)
 302
 303                 self.createConfig(frontendData)
 304
 305                 del self.feinfo
 306                 del self.service
 307
 308                 self["actions"] = NumberActionMap(["SetupActions"],
 309                 {
 310                         "ok": self.keyGo,
 311                         "cancel": self.keyCancel,
 312                 }, -2)
 313
 314                 self.statusTimer = eTimer()
 315                 self.statusTimer.callback.append(self.updateStatus)
 316                 #self.statusTimer.start(5000, True)
 317
 318                 self.list = []
 319                 ConfigListScreen.__init__(self, self.list)
 320                 self.createSetup()
 321
 322                 self["introduction"] = Label(_("Press OK to start the scan"))
 323
 324         def runAsync(self, finished_cb):
 325                 self.finished_cb = finished_cb
 326                 self.keyGo()
 327
 328         def updateSatList(self):
 329                 self.satList = []
 330                 for slot in nimmanager.nim_slots:
 331                         if slot.isCompatible("DVB-S"):
 332                                 self.satList.append(nimmanager.getSatListForNim(slot.slot))
 333                         else:
 334                                 self.satList.append(None)
 335
 336         def createSetup(self):
 337                 self.list = []
 338                 self.multiscanlist = []
 339                 index_to_scan = int(self.scan_nims.value)
 340                 print "ID: ", index_to_scan
 341
 342                 self.tunerEntry = getConfigListEntry(_("Tuner"), self.scan_nims)
 343                 self.list.append(self.tunerEntry)
 344
 345                 if self.scan_nims == [ ]:
 346                         return
 347
 348                 self.typeOfScanEntry = None
 349                 self.systemEntry = None
 350                 self.modulationEntry = None
 351                 nim = nimmanager.nim_slots[index_to_scan]
 352                 if nim.isCompatible("DVB-S"):
 353                         self.typeOfScanEntry = getConfigListEntry(_("Type of scan"), self.scan_type)
 354                         self.list.append(self.typeOfScanEntry)
 355                 elif nim.isCompatible("DVB-C"):
 356                         self.typeOfScanEntry = getConfigListEntry(_("Type of scan"), self.scan_typecable)
 357                         self.list.append(self.typeOfScanEntry)
 358                 elif nim.isCompatible("DVB-T"):
 359                         self.typeOfScanEntry = getConfigListEntry(_("Type of scan"), self.scan_typeterrestrial)
 360                         self.list.append(self.typeOfScanEntry)
 361
 362                 if nim.isCompatible("DVB-S"):
 363                         if self.scan_type.value == "single_transponder":
 364                                 self.updateSatList()
 365                                 if nim.isCompatible("DVB-S2"):
 366                                         self.systemEntry = getConfigListEntry(_('System'), self.scan_sat.system)
 367                                         self.list.append(self.systemEntry)
 368                                 else:
 369                                         # downgrade to dvb-s, in case a -s2 config was active
 370                                         self.scan_sat.system.value = "dvb-s"
 371                                 self.list.append(getConfigListEntry(_('Satellite'), self.scan_satselection[index_to_scan]))
 372                                 self.list.append(getConfigListEntry(_('Frequency'), self.scan_sat.frequency))
 373                                 self.list.append(getConfigListEntry(_('Inversion'), self.scan_sat.inversion))
 374                                 self.list.append(getConfigListEntry(_('Symbol Rate'), self.scan_sat.symbolrate))
 375                                 self.list.append(getConfigListEntry(_("Polarity"), self.scan_sat.polarization))
 376                                 if self.scan_sat.system.value == "dvb-s":
 377                                         self.list.append(getConfigListEntry(_("FEC"), self.scan_sat.fec))
 378                                 elif self.scan_sat.system.value == "dvb-s2":
 379                                         self.list.append(getConfigListEntry(_("FEC"), self.scan_sat.fec_s2))
 380                                         self.modulationEntry = getConfigListEntry(_('Modulation'), self.scan_sat.modulation)
 381                                         self.list.append(self.modulationEntry)
 382                                         self.list.append(getConfigListEntry(_('Rolloff'), self.scan_sat.rolloff))
 383                                         if self.scan_sat.modulation.value == "8psk":
 384                                                 self.list.append(getConfigListEntry(_('Pilot'), self.scan_sat.pilot))
 385                                 self.list.append(getConfigListEntry(_("Network scan"), self.scan_networkScan))
 386                         elif self.scan_type.value == "single_satellite":
 387                                 self.updateSatList()
 388                                 print self.scan_satselection[index_to_scan]
 389                                 self.list.append(getConfigListEntry(_("Satellite"), self.scan_satselection[index_to_scan]))
 390                                 self.list.append(getConfigListEntry(_("Clear before scan"), self.scan_clearallservices))
 391                         elif self.scan_type.value == "multisat":
 392                                 # if (norotor)
 393                                 tlist = []
 394                                 SatList = nimmanager.getSatListForNim(index_to_scan)
 395                                 self.list.append(getConfigListEntry(_("Clear before scan"), self.scan_clearallservices))
 396                                 for x in SatList:
 397                                         if self.Satexists(tlist, x[0]) == 0:
 398                                                 tlist.append(x[0])
 399                                                 sat = ConfigEnableDisable(default = True)
 400                                                 configEntry = getConfigListEntry(nimmanager.getSatDescription(x[0]), sat)
 401                                                 self.list.append(configEntry)
 402                                                 self.multiscanlist.append((x[0], sat))
 403                                 # if (rotor):
 404                            # for sat in nimmanager.satList:
 405                                 #       self.list.append(getConfigListEntry(sat[1], self.scan_scansat[sat[0]]))
 406                 elif nim.isCompatible("DVB-C"):
 407                         if self.scan_typecable.value == "single_transponder":
 408                                 self.list.append(getConfigListEntry(_("Frequency"), self.scan_cab.frequency))
 409                                 self.list.append(getConfigListEntry(_("Inversion"), self.scan_cab.inversion))
 410                                 self.list.append(getConfigListEntry(_("Symbol Rate"), self.scan_cab.symbolrate))
 411                                 self.list.append(getConfigListEntry(_("Modulation"), self.scan_cab.modulation))
 412                                 self.list.append(getConfigListEntry(_("FEC"), self.scan_cab.fec))
 413                                 self.list.append(getConfigListEntry(_("Network scan"), self.scan_networkScan))
 414                         elif self.scan_typecable.value == "complete":
 415                                 self.list.append(getConfigListEntry(_("Clear before scan"), self.scan_clearallservices))
 416                 elif nim.isCompatible("DVB-T"):
 417                         if self.scan_typeterrestrial.value == "single_transponder":
 418                                 self.list.append(getConfigListEntry(_("Frequency"), self.scan_ter.frequency))
 419                                 self.list.append(getConfigListEntry(_("Inversion"), self.scan_ter.inversion))
 420                                 self.list.append(getConfigListEntry(_("Bandwidth"), self.scan_ter.bandwidth))
 421                                 self.list.append(getConfigListEntry(_("Code rate high"), self.scan_ter.fechigh))
 422                                 self.list.append(getConfigListEntry(_("Code rate low"), self.scan_ter.feclow))
 423                                 self.list.append(getConfigListEntry(_("Modulation"), self.scan_ter.modulation))
 424                                 self.list.append(getConfigListEntry(_("Transmission mode"), self.scan_ter.transmission))
 425                                 self.list.append(getConfigListEntry(_("Guard interval mode"), self.scan_ter.guard))
 426                                 self.list.append(getConfigListEntry(_("Hierarchy mode"), self.scan_ter.hierarchy))
 427                                 self.list.append(getConfigListEntry(_("Network scan"), self.scan_networkScan))
 428                         elif self.scan_typeterrestrial.value == "complete":
 429                                 self.list.append(getConfigListEntry(_("Clear before scan"), self.scan_clearallservices))
 430
 431 #               if (nim.isCompatible("DVB-S") and self.scan_type.type == "single_transponder") or \
 432 #                       (nim.isCompatbile("DVB-C") and self.scan_typecable.type == "single_transponder") or \
 433 #                       (nim.isCompatible("DVB-T") and self.scan_typeterrestrial.type == "single_transponder"):
 434 #                               self.configElementSNR = getConfigListEntry(_("SNR"), self.scan_snr)
 435 #                               self.list.append(self.configElementSNR)
 436 #                               self.configElementACG = getConfigListEntry(_("AGC"), self.scan_agc)
 437 #                               self.list.append(self.configElementACG)
 438 #                               self.configElementBER = getConfigListEntry(_("BER"), self.scan_ber)
 439 #                               self.list.append(self.configElementBER)
 440 #                               self.statusTimer.start(500, False)
 441 #               else:
 442 #                       self.statusTimer.stop()
 443
 444                 self["config"].list = self.list
 445                 self["config"].l.setList(self.list)
 446
 447         def Satexists(self, tlist, pos):
 448                 for x in tlist:
 449                         if x == pos:
 450                                 return 1
 451                 return 0
 452
 453         def newConfig(self):
 454                 cur = self["config"].getCurrent()
 455                 print "cur is", cur
 456                 if cur == self.typeOfScanEntry or \
 457                         cur == self.tunerEntry or \
 458                         cur == self.systemEntry or \
 459                         (self.modulationEntry and self.systemEntry[1].value == "dvb-s2" and cur == self.modulationEntry):
 460                         self.createSetup()
 461
 462         def createConfig(self, frontendData):
 463                                                            #("Type", frontendData["system"], TYPE_TEXT),
 464                                            #("Modulation", frontendData["modulation"], TYPE_TEXT),
 465                                            #("Orbital position", frontendData["orbital_position"], TYPE_VALUE_DEC),
 466                                            #("Frequency", frontendData["frequency"], TYPE_VALUE_DEC),
 467                                            #("Symbolrate", frontendData["symbol_rate"], TYPE_VALUE_DEC),
 468                                            #("Polarization", frontendData["polarization"], TYPE_TEXT),
 469                                            #("Inversion", frontendData["inversion"], TYPE_TEXT),
 470                                            #("FEC inner", frontendData["fec_inner"], TYPE_TEXT),
 471                                                 #)
 472                 #elif frontendData["tuner_type"] == "DVB-C":
 473                         #return ( ("NIM", ['A', 'B', 'C', 'D'][frontendData["tuner_number"]], TYPE_TEXT),
 474                                            #("Type", frontendData["tuner_type"], TYPE_TEXT),
 475                                            #("Frequency", frontendData["frequency"], TYPE_VALUE_DEC),
 476                                            #("Symbolrate", frontendData["symbol_rate"], TYPE_VALUE_DEC),
 477                                            #("Modulation", frontendData["modulation"], TYPE_TEXT),
 478                                            #("Inversion", frontendData["inversion"], TYPE_TEXT),
 479                         #                  ("FEC inner", frontendData["fec_inner"], TYPE_TEXT),
 480                                                 #)
 481                 #elif frontendData["tuner_type"] == "DVB-T":
 482                         #return ( ("NIM", ['A', 'B', 'C', 'D'][frontendData["tuner_number"]], TYPE_TEXT),
 483                                            #("Type", frontendData["tuner_type"], TYPE_TEXT),
 484                                            #("Frequency", frontendData["frequency"], TYPE_VALUE_DEC),
 485                                            #("Inversion", frontendData["inversion"], TYPE_TEXT),
 486                                            #("Bandwidth", frontendData["bandwidth"], TYPE_VALUE_DEC),
 487                                            #("CodeRateLP", frontendData["code_rate_lp"], TYPE_TEXT),
 488                                            #("CodeRateHP", frontendData["code_rate_hp"], TYPE_TEXT),
 489                                            #("Constellation", frontendData["constellation"], TYPE_TEXT),
 490                                            #("Transmission Mode", frontendData["transmission_mode"], TYPE_TEXT),
 491                                            #("Guard Interval", frontendData["guard_interval"], TYPE_TEXT),
 492                                            #("Hierarchy Inform.", frontendData["hierarchy_information"], TYPE_TEXT),
 493                         defaultSat = { "orbpos": 192, "system": "dvb-s", "frequency": 11836, "inversion": "auto", "symbolrate": 27500, "polarization": "horizontal", "fec": "auto", "fec_s2": "9_10", "modulation": "qpsk" }
 494                         defaultCab = {"frequency": 466, "inversion": "auto", "modulation": "64qam", "fec": "auto", "symbolrate": 6900}
 495                         if frontendData is not None:
 496                                 ttype = frontendData.get("tuner_type", "UNKNOWN")
 497                                 if ttype == "DVB-S":
 498                                         defaultSat["system"] = {"DVB-S": "dvb-s", "DVB-S2": "dvb-s2"}[frontendData.get("system", "DVB-S")]
 499                                         defaultSat["frequency"] = int(frontendData.get("frequency", 0) / 1000)
 500                                         defaultSat["inversion"] = {"INVERSION_OFF": "off", "INVERSION_ON": "on", "INVERSION_AUTO": "auto"}[frontendData.get("inversion", "INVERSION_AUTO")]
 501                                         defaultSat["symbolrate"] = int(frontendData.get("symbol_rate", 0) / 1000)
 502                                         defaultSat["polarization"] = {"HORIZONTAL": "horizontal", "VERTICAL": "vertical", "CIRCULAR_LEFT": "circular_left", "CIRCULAR_RIGHT": "circular_right", "UNKNOWN": None}[frontendData.get("polarization", "HORIZONTAL")]
 503
 504                                         if frontendData.get("system", "DVB-S") == "DVB-S2":
 505                                                 defaultSat["fec_s2"] = {"FEC_1_2": "1_2", "FEC_2_3": "2_3", "FEC_3_4": "3_4", "FEC_4_5": "4_5", "FEC_5_6": "5_6", "FEC_7_8": "7_8", "FEC_8_9": "8_9", "FEC_9_10": "9_10"} \
 506                                                                                         [frontendData.get("fec_inner", "FEC_AUTO")]
 507                                                 defaultSat["rolloff"] = {"ROLLOFF_0_35" : "0_35", "ROLLOFF_0_25" : "0_25", "ROLLOFF_0_20" : "0_20"}[frontendData.get("rolloff", "ROLLOFF_0_35")]
 508                                                 defaultSat["pilot"] = {"PILOT_ON" : "on", "PILOT_OFF" : "off", "PILOT_AUTO" : "auto"}[frontendData.get("pilot", "PILOT_AUTO")]
 509                                         else:
 510                                                 defaultSat["fec"] = {"FEC_AUTO": "auto", "FEC_1_2": "1_2", "FEC_2_3": "2_3", "FEC_3_4": "3_4", "FEC_5_6": "5_6", "FEC_7_8": "7_8", "FEC_NONE": "none"} \
 511                                                         [frontendData.get("fec_inner", "FEC_AUTO")]
 512
 513                                         defaultSat["modulation"] = {"QPSK": "qpsk", "8PSK": "8psk"}[frontendData.get("modulation", "QPSK")]
 514                                         defaultSat["orbpos"] = frontendData.get("orbital_position", 0)
 515                                 elif ttype == "DVB-C":
 516                                         defaultCab["frequency"] = int(frontendData.get("frequency", 0) / 1000)
 517                                         defaultCab["symbolrate"] = int(frontendData.get("symbol_rate", 0) / 1000)
 518                                         defaultCab["inversion"] = {"INVERSION_OFF": "off", "INVERSION_ON": "on", "INVERSION_AUTO": "auto"}[frontendData.get("inversion", "INVERSION_AUTO")]
 519                                         defaultCab["fec"] = {"FEC_AUTO": "auto", "FEC_1_2": "1_2", "FEC_2_3": "2_3", "FEC_3_4": "3_4", "FEC_5_6": "5_6", "FEC_7_8": "7_8", "FEC_8_9": "8_9", "FEC_NONE": "none"}[frontendData.get("fec_inner", "FEC_AUTO")]
 520                                         defaultCab["modulation"] = {"QAM_AUTO": "auto", "QAM_16": "16qam", "QAM_32": "32qam", "QAM_64": "64qam", "QAM_128": "128qam", "QAM_256": "256qam"}[frontendData.get("modulation", "QAM_16")]
 521
 522                         self.scan_sat = ConfigSubsection()
 523                         self.scan_cab = ConfigSubsection()
 524                         self.scan_ter = ConfigSubsection()
 525
 526                         self.scan_type = ConfigSelection(default = "single_transponder", choices = [("single_transponder", _("Single transponder")), ("single_satellite", _("Single satellite")), ("multisat", _("Multisat"))])
 527                         self.scan_typecable = ConfigSelection(default = "single_transponder", choices = [("single_transponder", _("Single transponder")), ("complete", _("Complete"))])
 528                         self.scan_typeterrestrial = ConfigSelection(default = "single_transponder", choices = [("single_transponder", _("Single transponder")), ("complete", _("Complete"))])
 529                         self.scan_clearallservices = ConfigSelection(default = "no", choices = [("no", _("no")), ("yes", _("yes")), ("yes_hold_feeds", _("yes (keep feeds)"))])
 530                         self.scan_networkScan = ConfigYesNo(default = False)
 531
 532                         nim_list = []
 533                         # collect all nims which are *not* set to "nothing"
 534                         for n in nimmanager.nim_slots:
 535                                 if n.config_mode != "nothing":
 536                                         nim_list.append((str(n.slot), n.friendly_full_description))
 537
 538                         self.scan_nims = ConfigSelection(choices = nim_list)
 539
 540                         # status
 541                         self.scan_snr = ConfigSlider()
 542                         self.scan_snr.enabled = False
 543                         self.scan_agc = ConfigSlider()
 544                         self.scan_agc.enabled = False
 545                         self.scan_ber = ConfigSlider()
 546                         self.scan_ber.enabled = False
 547
 548                         # sat
 549                         self.scan_sat.system = ConfigSelection(default = defaultSat["system"], choices = [("dvb-s", _("DVB-S")), ("dvb-s2", _("DVB-S2"))])
 550                         self.scan_sat.frequency = ConfigInteger(default = defaultSat["frequency"], limits = (1, 99999))
 551                         self.scan_sat.inversion = ConfigSelection(default = defaultSat["inversion"], choices = [("off", _("off")), ("on", _("on")), ("auto", _("Auto"))])
 552                         self.scan_sat.symbolrate = ConfigInteger(default = defaultSat["symbolrate"], limits = (1, 99999))
 553                         self.scan_sat.polarization = ConfigSelection(default = defaultSat["polarization"], choices = [("horizontal", _("horizontal")), ("vertical", _("vertical")),  ("circular_left", _("circular left")), ("circular_right", _("circular right"))])
 554                         self.scan_sat.fec = ConfigSelection(default = defaultSat["fec"], choices = [("auto", _("Auto")), ("1_2", "1/2"), ("2_3", "2/3"), ("3_4", "3/4"), ("5_6", "5/6"), ("7_8", "7/8"), ("none", _("None"))])
 555                         self.scan_sat.fec_s2 = ConfigSelection(default = defaultSat["fec_s2"], choices = [("1_2", "1/2"), ("2_3", "2/3"), ("3_4", "3/4"), ("3_5", "3/5"), ("4_5", "4/5"), ("5_6", "5/6"), ("7_8", "7/8"), ("8_9", "8/9"), ("9_10", "9/10")])
 556                         self.scan_sat.modulation = ConfigSelection(default = defaultSat["modulation"], choices = [("qpsk", "QPSK"), ("8psk", "8PSK")])
 557                         self.scan_sat.rolloff = ConfigSelection(default = defaultSat.get("rolloff", "0_35"), choices = [("0_35", "0.35"), ("0_25", "0.25"), ("0_20", "0.20")])
 558                         self.scan_sat.pilot = ConfigSelection(default = defaultSat.get("pilot", "auto"), choices = [("off", _("off")), ("on", _("on")), ("auto", _("Auto"))])
 559
 560                         # cable
 561                         self.scan_cab.frequency = ConfigInteger(default = defaultCab["frequency"], limits = (50, 999))
 562                         self.scan_cab.inversion = ConfigSelection(default = defaultCab["inversion"], choices = [("off", _("off")), ("on", _("on")), ("auto", _("Auto"))])
 563                         self.scan_cab.modulation = ConfigSelection(default = defaultCab["modulation"], choices = [("16qam", "16-QAM"), ("32qam", "32-QAM"), ("64qam", "64-QAM"), ("128qam", "128-QAM"), ("256qam", "256-QAM")])
 564                         self.scan_cab.fec = ConfigSelection(default = defaultCab["fec"], choices = [("auto", _("Auto")), ("1_2", "1/2"), ("2_3", "2/3"), ("3_4", "3/4"), ("5_6", "5/6"), ("7_8", "7/8"), ("8_9", "8/9"), ("none", _("None"))])
 565                         self.scan_cab.symbolrate = ConfigInteger(default = defaultCab["symbolrate"], limits = (1, 99999))
 566
 567                         # terrestial
 568                         self.scan_ter.frequency = ConfigInteger(default = 466000, limits = (50000, 999000))
 569                         self.scan_ter.inversion = ConfigSelection(default = "auto", choices = [("off", _("off")), ("on", _("on")), ("auto", _("Auto"))])
 570                         # WORKAROUND: we can't use BW-auto
 571                         self.scan_ter.bandwidth = ConfigSelection(default = "8MHz", choices = [("8MHz", "8MHz"), ("7MHz", "7MHz"), ("6MHz", "6MHz")])
 572                         #, ("auto", _("Auto"))))
 573                         self.scan_ter.fechigh = ConfigSelection(default = "auto", choices = [("1_2", "1/2"), ("2_3", "2/3"), ("3_4", "3/4"), ("5_6", "5/6"), ("7_8", "7/8"), ("auto", _("Auto"))])
 574                         self.scan_ter.feclow = ConfigSelection(default = "auto", choices = [("1_2", "1/2"), ("2_3", "2/3"), ("3_4", "3/4"), ("5_6", "5/6"), ("7_8", "7/8"), ("auto", _("Auto"))])
 575                         self.scan_ter.modulation = ConfigSelection(default = "auto", choices = [("qpsk", "QPSK"), ("qam16", "QAM16"), ("qam64", "QAM64"), ("auto", _("Auto"))])
 576                         self.scan_ter.transmission = ConfigSelection(default = "auto", choices = [("2k", "2K"), ("8k", "8K"), ("auto", _("Auto"))])
 577                         self.scan_ter.guard = ConfigSelection(default = "auto", choices = [("1_32", "1/32"), ("1_16", "1/16"), ("1_8", "1/8"), ("1_4", "1/4"), ("auto", _("Auto"))])
 578                         self.scan_ter.hierarchy = ConfigSelection(default = "auto", choices = [("none", _("None")), ("1", "1"), ("2", "2"), ("4", "4"), ("auto", _("Auto"))])
 579
 580                         self.scan_scansat = {}
 581                         for sat in nimmanager.satList:
 582                                 #print sat[1]
 583                                 self.scan_scansat[sat[0]] = ConfigYesNo(default = False)
 584
 585                         self.scan_satselection = []
 586                         for slot in nimmanager.nim_slots:
 587                                 if slot.isCompatible("DVB-S"):
 588                                         self.scan_satselection.append(getConfigSatlist(int(defaultSat["orbpos"]), self.satList[slot.slot]))
 589                                 else:
 590                                         self.scan_satselection.append(None)
 591
 592                         return True
 593
 594         def keyLeft(self):
 595                 ConfigListScreen.keyLeft(self)
 596                 self.newConfig()
 597
 598         def keyRight(self):
 599                 ConfigListScreen.keyRight(self)
 600                 self.newConfig()
 601
 602         def updateStatus(self):
 603                 print "updatestatus"
 604
 605         fecmap = { "auto": 0,
 606                            "1_2": 1,
 607                            "2_3": 2,
 608                            "3_4": 3,
 609                            "5_6": 4,
 610                            "7_8": 5,
 611                            "8_9": 6,
 612                            "3_5": 7,
 613                            "4_5": 8,
 614                            "9_10": 9,
 615                            "none": 15
 616                            }
 617
 618         def addSatTransponder(self, tlist, frequency, symbol_rate, polarisation, fec, inversion, orbital_position, system, modulation, rolloff, pilot):
 619                 print "Add Sat: frequ: " + str(frequency) + " symbol: " + str(symbol_rate) + " pol: " + str(polarisation) + " fec: " + str(self.fecmap[fec]) + " inversion: " + str(inversion) + " modulation: " + str(modulation) + " system: " + str(system) + " rolloff" + str(rolloff) + " pilot" + str(pilot)
 620                 print "orbpos: " + str(orbital_position)
 621                 parm = eDVBFrontendParametersSatellite()
 622                 if modulation == 1:
 623                         parm.modulation = 2 # eDVBFrontendParametersSatellite.Modulation.8PSK
 624                 else:
 625                         parm.modulation = 1 # eDVBFrontendParametersSatellite.Modulation.QPSK
 626                 parm.system = system
 627                 parm.frequency = frequency * 1000
 628                 parm.symbol_rate = symbol_rate * 1000
 629                 parm.polarisation = polarisation
 630                 parm.fec = self.fecmap[fec]
 631                 parm.inversion = inversion
 632                 parm.orbital_position = int(orbital_position)
 633                 parm.rolloff = int(rolloff)
 634                 parm.pilot = int(pilot)
 635                 tlist.append(parm)
 636
 637         def addCabTransponder(self, tlist, frequency, symbol_rate, modulation, fec, inversion):
 638                 print "Add Cab: frequ: " + str(frequency) + " symbol: " + str(symbol_rate) + " pol: " + str(modulation) + " fec: " + str(fec) + " inversion: " + str(inversion)
 639                 parm = eDVBFrontendParametersCable()
 640                 parm.frequency = frequency * 1000
 641                 parm.symbol_rate = symbol_rate * 1000
 642                 parm.modulation = modulation
 643                 parm.fec = self.fecmap[fec]
 644                 parm.inversion = inversion
 645                 tlist.append(parm)
 646
 647         def addTerTransponder(self, tlist, *args, **kwargs):
 648                 tlist.append(buildTerTransponder(*args, **kwargs))
 649
 650         def keyGo(self):
 651                 tlist = []
 652                 flags = None
 653                 extFlags = True
 654
 655                 startScan = True
 656                 index_to_scan = int(self.scan_nims.value)
 657
 658                 if self.scan_nims == [ ]:
 659                         self.session.open(MessageBox, _("No tuner is enabled!\nPlease setup your tuner settings before you start a service scan."), MessageBox.TYPE_ERROR)
 660                         return
 661
 662                 nim = nimmanager.nim_slots[index_to_scan]
 663                 print "nim", nim.slot
 664                 if nim.isCompatible("DVB-S"):
 665                         print "is compatible with DVB-S"
 666                         if self.scan_type.value == "single_transponder":
 667                                 # these lists are generated for each tuner, so this has work.
 668                                 assert len(self.satList) > index_to_scan
 669                                 assert len(self.scan_satselection) > index_to_scan
 670
 671                                 nimsats = self.satList[index_to_scan]
 672                                 selsatidx = self.scan_satselection[index_to_scan].index
 673
 674                                 # however, the satList itself could be empty. in that case, "index" is 0 (for "None").
 675                                 if len(nimsats):
 676                                         orbpos = nimsats[selsatidx][0]
 677                                         if self.scan_sat.system.value == "dvb-s":
 678                                                 fec = self.scan_sat.fec.value
 679                                         else:
 680                                                 fec = self.scan_sat.fec_s2.value
 681                                         print "add sat transponder"
 682                                         self.addSatTransponder(tlist, self.scan_sat.frequency.value,
 683                                                                 self.scan_sat.symbolrate.value,
 684                                                                 self.scan_sat.polarization.index,
 685                                                                 fec,
 686                                                                 self.scan_sat.inversion.index,
 687                                                                 orbpos,
 688                                                                 self.scan_sat.system.index,
 689                                                                 self.scan_sat.modulation.index,
 690                                                                 self.scan_sat.rolloff.index,
 691                                                                 self.scan_sat.pilot.index)
 692                                 flags = self.scan_networkScan.value and eComponentScan.scanNetworkSearch or 0
 693                                 extFlags = False
 694                         elif self.scan_type.value == "single_satellite":
 695                                 sat = self.satList[index_to_scan][self.scan_satselection[index_to_scan].index]
 696                                 getInitialTransponderList(tlist, sat[0])
 697                         elif self.scan_type.value == "multisat":
 698                                 SatList = nimmanager.getSatListForNim(index_to_scan)
 699                                 for x in self.multiscanlist:
 700                                         if x[1].value:
 701                                                 print "   " + str(x[0])
 702                                                 getInitialTransponderList(tlist, x[0])
 703
 704                 elif nim.isCompatible("DVB-C"):
 705                         if self.scan_typecable.value == "single_transponder":
 706                                 fec = self.scan_cab.fec.value
 707                                 self.addCabTransponder(tlist, self.scan_cab.frequency.value,
 708                                                                                           self.scan_cab.symbolrate.value,
 709                                                                                           self.scan_cab.modulation.index + 1,
 710                                                                                           fec,
 711                                                                                           self.scan_cab.inversion.index)
 712                                 flags = self.scan_networkScan.value and eComponentScan.scanNetworkSearch or 0
 713                                 extFlags = False
 714                         elif self.scan_typecable.value == "complete":
 715                                 if config.Nims[index_to_scan].cable.scan_type.value == "provider":
 716                                         getInitialCableTransponderList(tlist, index_to_scan)
 717                                 else:
 718                                         startScan = False
 719
 720                 elif nim.isCompatible("DVB-T"):
 721                         if self.scan_typeterrestrial.value == "single_transponder":
 722                                 self.addTerTransponder(tlist,
 723                                                 self.scan_ter.frequency.value * 1000,
 724                                                 inversion = self.scan_ter.inversion.index,
 725                                                 bandwidth = self.scan_ter.bandwidth.index,
 726                                                 fechigh = self.scan_ter.fechigh.index,
 727                                                 feclow = self.scan_ter.feclow.index,
 728                                                 modulation = self.scan_ter.modulation.index,
 729                                                 transmission = self.scan_ter.transmission.index,
 730                                                 guard = self.scan_ter.guard.index,
 731                                                 hierarchy = self.scan_ter.hierarchy.index)
 732                                 flags = self.scan_networkScan.value and eComponentScan.scanNetworkSearch or 0
 733                                 extFlags = False
 734                         elif self.scan_typeterrestrial.value == "complete":
 735                                 getInitialTerrestrialTransponderList(tlist, nimmanager.getTerrestrialDescription(index_to_scan))
 736
 737                 if flags is None:
 738                         flags = eComponentScan.scanNetworkSearch
 739
 740                 if extFlags:
 741                         tmp = self.scan_clearallservices.value
 742                         if tmp == "yes":
 743                                 flags |= eComponentScan.scanRemoveServices
 744                         elif tmp == "yes_hold_feeds":
 745                                 flags |= eComponentScan.scanRemoveServices
 746                                 flags |= eComponentScan.scanDontRemoveFeeds
 747
 748                 for x in self["config"].list:
 749                         x[1].save()
 750
 751                 if startScan:
 752                         self.startScan(tlist, flags, index_to_scan)
 753                 else:
 754                         self.flags = flags
 755                         self.feid = index_to_scan
 756                         self.tlist = []
 757                         self.startCableTransponderSearch(self.feid)
 758
 759         def setCableTransponderSearchResult(self, tlist):
 760                 self.tlist = tlist
 761
 762         def cableTransponderSearchFinished(self):
 763                 self.startScan(self.tlist, self.flags, self.feid)
 764
 765         def startScan(self, tlist, flags, feid):
 766                 if len(tlist):
 767                         # flags |= eComponentScan.scanSearchBAT
 768                         if self.finished_cb:
 769                                 self.session.openWithCallback(self.finished_cb, ServiceScan, [{"transponders": tlist, "feid": feid, "flags": flags}])
 770                         else:
 771                                 self.session.open(ServiceScan, [{"transponders": tlist, "feid": feid, "flags": flags}])
 772                 else:
 773                         if self.finished_cb:
 774                                 self.session.openWithCallback(self.finished_cb, MessageBox, _("Nothing to scan!\nPlease setup your tuner settings before you start a service scan."), MessageBox.TYPE_ERROR)
 775                         else:
 776                                 self.session.open(MessageBox, _("Nothing to scan!\nPlease setup your tuner settings before you start a service scan."), MessageBox.TYPE_ERROR)
 777
 778         def keyCancel(self):
 779                 for x in self["config"].list:
 780                         x[1].cancel()
 781                 self.close()
 782
 783 class ScanSimple(ConfigListScreen, Screen, CableTransponderSearchSupport):
 784         def getNetworksForNim(self, nim):
 785                 if nim.isCompatible("DVB-S"):
 786                         networks = nimmanager.getSatListForNim(nim.slot)
 787 # the original code took "loopthrough" etc. into account. Do we need this?
 788 #                       if nimmanager.getNimConfigMode(1) in ["loopthrough", "satposdepends", "equal", "nothing"]:
 789 #                               return False
 790 #                       sec = eDVBSatelliteEquipmentControl.getInstance()
 791 #                       if sec is not None:
 792 #                               exclusive_satellites = sec.get_exclusive_satellites(0,1)
 793 #                               if len(exclusive_satellites) == 2:
 794 #                                       return False
 795 #                               idx = exclusive_satellites[0]+1
 796 #                               exclusive_nim_sats = exclusive_satellites[idx+1:idx+1+exclusive_satellites[idx]]
 797 #                               if len(exclusive_nim_sats):
 798 #                                       return True
 799                 elif not nim.empty:
 800                         networks = [ nim.type ] # "DVB-C" or "DVB-T". TODO: seperate networks for different C/T tuners, if we want to support that.
 801                 else:
 802                         # empty tuners provide no networks.
 803                         networks = [ ]
 804                 return networks
 805
 806         def __init__(self, session):
 807                 Screen.__init__(self, session)
 808
 809                 self["actions"] = ActionMap(["SetupActions"],
 810                 {
 811                         "ok": self.keyGo,
 812                         "cancel": self.keyCancel,
 813                 }, -2)
 814
 815                 self.list = []
 816                 tlist = []
 817
 818                 known_networks = [ ]
 819                 nims_to_scan = [ ]
 820                 self.finished_cb = None
 821
 822                 for nim in nimmanager.nim_slots:
 823                         # collect networks provided by this tuner
 824
 825                         need_scan = False
 826                         networks = self.getNetworksForNim(nim)
 827
 828                         print "nim %d provides" % nim.slot, networks
 829                         print "known:", known_networks
 830
 831                         # we only need to scan on the first tuner which provides a network.
 832                         # this gives the first tuner for each network priority for scanning.
 833                         for x in networks:
 834                                 if x not in known_networks:
 835                                         need_scan = True
 836                                         print x, "not in ", known_networks
 837                                         known_networks.append(x)
 838
 839                         if need_scan:
 840                                 nims_to_scan.append(nim)
 841
 842                 # we save the config elements to use them on keyGo
 843                 self.nim_enable = [ ]
 844
 845                 if len(nims_to_scan):
 846                         self.scan_clearallservices = ConfigSelection(default = "yes", choices = [("no", _("no")), ("yes", _("yes")), ("yes_hold_feeds", _("yes (keep feeds)"))])
 847                         self.list.append(getConfigListEntry(_("Clear before scan"), self.scan_clearallservices))
 848
 849                         for nim in nims_to_scan:
 850                                 nimconfig = ConfigYesNo(default = True)
 851                                 nimconfig.nim_index = nim.slot
 852                                 self.nim_enable.append(nimconfig)
 853                                 self.list.append(getConfigListEntry(_("Scan ") + nim.slot_name + " (" + nim.friendly_type + ")", nimconfig))
 854
 855                 ConfigListScreen.__init__(self, self.list)
 856                 self["header"] = Label(_("Automatic Scan"))
 857                 self["footer"] = Label(_("Press OK to scan"))
 858
 859         def runAsync(self, finished_cb):
 860                 self.finished_cb = finished_cb
 861                 self.keyGo()
 862
 863         def keyGo(self):
 864                 self.scanList = []
 865                 self.known_networks = set()
 866                 self.nim_iter=0
 867                 self.buildTransponderList()
 868
 869         def buildTransponderList(self): # this method is called multiple times because of asynchronous stuff
 870                 APPEND_NOW = 0
 871                 SEARCH_CABLE_TRANSPONDERS = 1
 872                 action = APPEND_NOW
 873
 874                 n = self.nim_iter < len(self.nim_enable) and self.nim_enable[self.nim_iter] or None
 875                 self.nim_iter += 1
 876                 if n:
 877                         if n.value: # check if nim is enabled
 878                                 flags = 0
 879                                 nim = nimmanager.nim_slots[n.nim_index]
 880                                 networks = set(self.getNetworksForNim(nim))
 881
 882                                 # don't scan anything twice
 883                                 networks.discard(self.known_networks)
 884
 885                                 tlist = [ ]
 886                                 if nim.isCompatible("DVB-S"):
 887                                         # get initial transponders for each satellite to be scanned
 888                                         for sat in networks:
 889                                                 getInitialTransponderList(tlist, sat[0])
 890                                 elif nim.isCompatible("DVB-C"):
 891                                         if config.Nims[nim.slot].cable.scan_type.value == "provider":
 892                                                 getInitialCableTransponderList(tlist, nim.slot)
 893                                         else:
 894                                                 action = SEARCH_CABLE_TRANSPONDERS
 895                                 elif nim.isCompatible("DVB-T"):
 896                                         getInitialTerrestrialTransponderList(tlist, nimmanager.getTerrestrialDescription(nim.slot))
 897                                 else:
 898                                         assert False
 899
 900                                 flags |= eComponentScan.scanNetworkSearch #FIXMEEE.. use flags from cables / satellites / terrestrial.xml
 901                                 tmp = self.scan_clearallservices.value
 902                                 if tmp == "yes":
 903                                         flags |= eComponentScan.scanRemoveServices
 904                                 elif tmp == "yes_hold_feeds":
 905                                         flags |= eComponentScan.scanRemoveServices
 906                                         flags |= eComponentScan.scanDontRemoveFeeds
 907
 908                                 if action == APPEND_NOW:
 909                                         self.scanList.append({"transponders": tlist, "feid": nim.slot, "flags": flags})
 910                                 elif action == SEARCH_CABLE_TRANSPONDERS:
 911                                         self.flags = flags
 912                                         self.feid = nim.slot
 913                                         self.startCableTransponderSearch(nim.slot)
 914                                         return
 915                                 else:
 916                                         assert False
 917
 918                         self.buildTransponderList() # recursive call of this function !!!
 919                         return
 920                 # when we are here, then the recursion is finished and all enabled nims are checked
 921                 # so we now start the real transponder scan
 922                 self.startScan(self.scanList)
 923
 924         def startScan(self, scanList):
 925                 if len(scanList):
 926                         if self.finished_cb:
 927                                 self.session.openWithCallback(self.finished_cb, ServiceScan, scanList = scanList)
 928                         else:
 929                                 self.session.open(ServiceScan, scanList = scanList)
 930                 else:
 931                         if self.finished_cb:
 932                                 self.session.openWithCallback(self.finished_cb, MessageBox, _("Nothing to scan!\nPlease setup your tuner settings before you start a service scan."), MessageBox.TYPE_ERROR)
 933                         else:
 934                                 self.session.open(MessageBox, _("Nothing to scan!\nPlease setup your tuner settings before you start a service scan."), MessageBox.TYPE_ERROR)
 935
 936         def setCableTransponderSearchResult(self, tlist):
 937                 self.scanList.append({"transponders": tlist, "feid": self.feid, "flags": self.flags})
 938
 939         def cableTransponderSearchFinished(self):
 940                 self.buildTransponderList()
 941
 942         def keyCancel(self):
 943                 self.close()
 944
 945         def Satexists(self, tlist, pos):
 946                 for x in tlist:
 947                         if x == pos:
 948                                 return 1
 949                 return 0
 950