NIM cleanup, as described in https://lists.elitedvb.net/pipermail/enigma2-devel/2007...
[enigma2.git] / lib / python / Screens / ScanSetup.py
index 445c71d8cf2b927b82e5472c47ca678b5c3d839a..b970749639ca6178318e9e9a1d2816900aeaa3fd 100644 (file)
@@ -136,7 +136,9 @@ class ScanSetup(ConfigListScreen, Screen):
                if self.service is not None:
                        self.feinfo = self.service.frontendInfo()
                        frontendData = self.feinfo and self.feinfo.getAll(True)
+               
                self.createConfig(frontendData)
+
                del self.feinfo
                del self.service
 
@@ -161,38 +163,47 @@ class ScanSetup(ConfigListScreen, Screen):
 
        def updateSatList(self):
                self.satList = []
-               for slot in nimmanager.nimslots:
-                       if (nimmanager.getNimType(slot.slotid) == nimmanager.nimType["DVB-S"]):
-                               self.satList.append(nimmanager.getSatListForNim(slot.slotid))
+               for slot in nimmanager.nim_slots:
+                       if slot.isCompatible("DVB-S"):
+                               self.satList.append(nimmanager.getSatListForNim(slot.slot))
                        else:
                                self.satList.append(None)
-                               
+
        def createSetup(self):
                self.list = []
                self.multiscanlist = []
-               print "ID: ", self.scan_nims.index
+               index_to_scan = int(self.scan_nims.value)
+               print "ID: ", index_to_scan
 
                self.tunerEntry = getConfigListEntry(_("Tuner"), self.scan_nims)
                self.list.append(self.tunerEntry)
                
+               if self.scan_nims == [ ]:
+                       return
+               
                self.typeOfScanEntry = None
                self.systemEntry = None
-               if nimmanager.getNimType(self.scan_nims.index) == nimmanager.nimType["DVB-S"]:
+               nim = nimmanager.nim_slots[index_to_scan]
+               if nim.isCompatible("DVB-S"):
                        self.typeOfScanEntry = getConfigListEntry(_("Type of scan"), self.scan_type)
                        self.list.append(self.typeOfScanEntry)
-               elif nimmanager.getNimType(self.scan_nims.index) == nimmanager.nimType["DVB-C"]:
+               elif nim.isCompatible("DVB-C"):
                        self.typeOfScanEntry = getConfigListEntry(_("Type of scan"), self.scan_typecable)
                        self.list.append(self.typeOfScanEntry)
-               elif nimmanager.getNimType(self.scan_nims.index) == nimmanager.nimType["DVB-T"]:
+               elif nim.isCompatible("DVB-T"):
                        self.typeOfScanEntry = getConfigListEntry(_("Type of scan"), self.scan_typeterrestrial)
                        self.list.append(self.typeOfScanEntry)
 
-               if nimmanager.getNimType(self.scan_nims.index) == nimmanager.nimType["DVB-S"]:
+               if nim.isCompatible("DVB-S"):
                        if self.scan_type.value == "single_transponder":
-                               if nimmanager.getNimName(self.scan_nims.index).find("DVB-S2") != -1:
-                                       self.systemEntry = getConfigListEntry(_('Transpondertype'), self.scan_sat.system)
+                               self.updateSatList()
+                               if nim.isCompatible("DVB-S2"):
+                                       self.systemEntry = getConfigListEntry(_('System'), self.scan_sat.system)
                                        self.list.append(self.systemEntry)
-                               self.list.append(getConfigListEntry(_('Satellite'), self.scan_satselection[self.scan_nims.index]))
+                               else:
+                                       # downgrade to dvb-s, in case a -s2 config was active
+                                       self.scan_sat.system.value = "dvb-s"
+                               self.list.append(getConfigListEntry(_('Satellite'), self.scan_satselection[index_to_scan]))
                                self.list.append(getConfigListEntry(_('Frequency'), self.scan_sat.frequency))
                                self.list.append(getConfigListEntry(_('Inversion'), self.scan_sat.inversion))
                                self.list.append(getConfigListEntry(_('Symbol Rate'), self.scan_sat.symbolrate))
@@ -204,13 +215,13 @@ class ScanSetup(ConfigListScreen, Screen):
                                        self.list.append(getConfigListEntry(_('Modulation'), self.scan_sat.modulation))
                        elif self.scan_type.value == "single_satellite":
                                self.updateSatList()
-                               print self.scan_satselection[self.scan_nims.index]
-                               self.list.append(getConfigListEntry(_("Satellite"), self.scan_satselection[self.scan_nims.index]))
+                               print self.scan_satselection[index_to_scan]
+                               self.list.append(getConfigListEntry(_("Satellite"), self.scan_satselection[index_to_scan]))
                                self.list.append(getConfigListEntry(_("Clear before scan"), self.scan_clearallservices))
                        elif self.scan_type.value == "multisat":
                                # if (norotor)
                                tlist = []
-                               SatList = nimmanager.getSatListForNim(self.scan_nims.index)
+                               SatList = nimmanager.getSatListForNim(index_to_scan)
                                self.list.append(getConfigListEntry(_("Clear before scan"), self.scan_clearallservices))
                                for x in SatList:
                                        if self.Satexists(tlist, x[0]) == 0:
@@ -224,7 +235,7 @@ class ScanSetup(ConfigListScreen, Screen):
                                #       self.list.append(getConfigListEntry(sat[1], self.scan_scansat[sat[0]]))
 
 
-               if nimmanager.getNimType(self.scan_nims.index) == nimmanager.nimType["DVB-C"]:
+               if nim.isCompatible("DVB-C"):
                        if self.scan_typecable.value == "single_transponder":
                                self.list.append(getConfigListEntry(_("Frequency"), self.scan_cab.frequency))
                                self.list.append(getConfigListEntry(_("Inversion"), self.scan_cab.inversion))
@@ -235,7 +246,7 @@ class ScanSetup(ConfigListScreen, Screen):
                        elif self.scan_typecable.value == "complete":
                                self.list.append(getConfigListEntry(_("Clear before scan"), self.scan_clearallservices))
                                
-               if nimmanager.getNimType(self.scan_nims.index) == nimmanager.nimType["DVB-T"]:
+               if nim.isCompatible("DVB-T"):
                        if self.scan_typeterrestrial.value == "single_transponder":
                                self.list.append(getConfigListEntry(_("Frequency"), self.scan_ter.frequency))
                                self.list.append(getConfigListEntry(_("Network scan"), self.scan_ter.networkScan))
@@ -250,9 +261,9 @@ class ScanSetup(ConfigListScreen, Screen):
                        elif self.scan_typeterrestrial.value == "complete":
                                self.list.append(getConfigListEntry(_("Clear before scan"), self.scan_clearallservices))
 
-#              if (nimmanager.getNimType(self.scan_nims.index) == nimmanager.nimType["DVB-S"] and self.scan_type.type == "single_transponder") or \
-#                      (nimmanager.getNimType(self.scan_nims.index) == nimmanager.nimType["DVB-C"] and self.scan_typecable.type == "single_transponder") or \
-#                      (nimmanager.getNimType(self.scan_nims.index) == nimmanager.nimType["DVB-T"] and self.scan_typeterrestrial.type == "single_transponder"):
+#              if (nim.isCompatible("DVB-S") and self.scan_type.type == "single_transponder") or \
+#                      (nim.isCompatbile("DVB-C") and self.scan_typecable.type == "single_transponder") or \
+#                      (nim.isCompatible("DVB-T") and self.scan_typeterrestrial.type == "single_transponder"):
 #                              self.configElementSNR = getConfigListEntry(_("SNR"), self.scan_snr)
 #                              self.list.append(self.configElementSNR)
 #                              self.configElementACG = getConfigListEntry(_("AGC"), self.scan_agc)
@@ -322,9 +333,14 @@ class ScanSetup(ConfigListScreen, Screen):
                                        defaultSat["inversion"] = {"INVERSION_OFF": "off", "INVERSION_ON": "on", "INVERSION_AUTO": "auto"}[frontendData.get("inversion", "INVERSION_AUTO")]
                                        defaultSat["symbolrate"] = int(frontendData.get("symbol_rate", 0) / 1000)
                                        defaultSat["polarization"] = {"HORIZONTAL": "horizontal", "VERTICAL": "vertical", "CIRCULAR_LEFT": "circular_left", "CIRCULAR_RIGHT": "circular_right", "UNKNOWN": None}[frontendData.get("polarization", "HORIZONTAL")]
-                                       defaultSat["fec"] = {"DVB-S": {"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"}, \
-                                                                               "DVB-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"}} \
-                                                                               [frontendData.get("system", "DVB-S")][frontendData.get("fec_inner", "FEC_AUTO")]
+                                       
+                                       if frontendData.get("system", "DVB-S") == "DVB-S2":
+                                               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"} \
+                                                                                       [frontendData.get("fec_inner", "FEC_AUTO")]
+                                       else:
+                                               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"} \
+                                                       [frontendData.get("fec_inner", "FEC_AUTO")]
+
                                        defaultSat["modulation"] = {"QPSK": "qpsk", "8PSK": "8psk"}[frontendData.get("modulation", "QPSK")]
                                        defaultSat["orbpos"] = frontendData.get("orbital_position", 0)
                                elif ttype == "DVB-C":
@@ -343,12 +359,14 @@ class ScanSetup(ConfigListScreen, Screen):
                        self.scan_typeterrestrial = ConfigSelection(default = "single_transponder", choices = [("single_transponder", _("Single transponder")), ("complete", _("Complete"))])
                        self.scan_clearallservices = ConfigSelection(default = "no", choices = [("no", _("no")), ("yes", _("yes")), ("yes_hold_feeds", _("yes (keep feeds)"))])
 
-                       nimList = [ ]
-                       for nim in nimmanager.nimList():
-                               nimList.append(nim[0])
-                       #nimList.append("all")
-                       self.scan_nims = ConfigSelection(choices = nimList)
-                       
+                       nim_list = []
+                       # collect all nims which are *not* set to "nothing"
+                       for n in nimmanager.nim_slots:
+                               if n.config_mode != "nothing":
+                                       nim_list.append((str(n.slot), n.friendly_full_description))
+
+                       self.scan_nims = ConfigSelection(choices = nim_list)
+
                        # status
                        self.scan_snr = ConfigSlider()
                        self.scan_snr.enabled = False
@@ -376,7 +394,7 @@ class ScanSetup(ConfigListScreen, Screen):
                        self.scan_cab.networkScan = ConfigYesNo(default = False)
 
                        # terrestial
-                       self.scan_ter.frequency = ConfigInteger(default = 466, limits = (100, 999))
+                       self.scan_ter.frequency = ConfigInteger(default = 466000, limits = (50000, 999000))
                        self.scan_ter.inversion = ConfigSelection(default = "auto", choices = [("off", _("off")), ("on", _("on")), ("auto", _("Auto"))])
                        # WORKAROUND: we can't use BW-auto
                        self.scan_ter.bandwidth = ConfigSelection(default = "8MHz", choices = [("8MHz", "8MHz"), ("7MHz", "7MHz"), ("6MHz", "6MHz")])
@@ -395,14 +413,14 @@ class ScanSetup(ConfigListScreen, Screen):
                                self.scan_scansat[sat[0]] = ConfigYesNo(default = False)
 
                        self.scan_satselection = []
-                       slotid = 0
-                       for slot in nimmanager.nimslots:
-                               if (nimmanager.getNimType(slot.slotid) == nimmanager.nimType["DVB-S"]):
-                                       print str(slot.slotid) + " : " + str(self.satList)
-                                       self.scan_satselection.append(getConfigSatlist(int(defaultSat["orbpos"]), self.satList[slot.slotid]))
+                       for slot in nimmanager.nim_slots:
+                               if slot.isCompatible("DVB-S"):
+                                       self.scan_satselection.append(getConfigSatlist(int(defaultSat["orbpos"]), self.satList[slot.slot]))
                                else:
                                        self.scan_satselection.append(None)
 
+                       return True
+
        def keyLeft(self):
                ConfigListScreen.keyLeft(self)
                self.newConfig()
@@ -460,31 +478,45 @@ class ScanSetup(ConfigListScreen, Screen):
        def keyGo(self):
                tlist = []
                flags = 0
-               if nimmanager.getNimType(self.scan_nims.index) == nimmanager.nimType["DVB-S"]:
+               index_to_scan = int(self.scan_nims.value)
+               
+               if self.scan_nims == [ ]:
+                       self.session.open(MessageBox, _("No tuner is enabled!\nPlease setup your tuner settings before you start a service scan."), MessageBox.TYPE_ERROR)
+                       return
+
+               nim = nimmanager.nim_slots[index_to_scan]
+               print "nim", nim.slot
+               if nim.isCompatible("DVB-S"):
+                       print "is compatible with DVB-S"
                        if self.scan_type.value == "single_transponder":
-                               l = len(self.satList)
-                               if l and l > self.scan_nims.index:
-                                       nimsats=self.satList[self.scan_nims.index]
-                                       l = len(self.scan_satselection)
-                                       if l and l > self.scan_nims.index:
-                                               selsatidx=self.scan_satselection[self.scan_nims.index].index
-                                               l = len(nimsats)
-                                               if l and l > selsatidx:
-                                                       orbpos=nimsats[selsatidx][0]
-                                                       if self.scan_sat.system.value == "dvb-s":
-                                                               fec = self.scan_sat.fec.value
-                                                       else:
-                                                               fec = self.scan_sat.fec_s2.value
-                                                       self.addSatTransponder(tlist, self.scan_sat.frequency.value,
-                                                                               self.scan_sat.symbolrate.value,
-                                                                               self.scan_sat.polarization.index,
-                                                                               fec,
-                                                                               self.scan_sat.inversion.index,
-                                                                               orbpos,
-                                                                               self.scan_sat.system.index,
-                                                                               self.scan_sat.modulation.index)
+                               print "single transponder"
+
+                               # these lists are generated for each tuner, so this has work.
+                               assert len(self.satList) > index_to_scan
+                               assert len(self.scan_satselection) > index_to_scan
+                               
+                               nimsats = self.satList[index_to_scan]
+                               selsatidx = self.scan_satselection[index_to_scan].index
+
+                               # however, the satList itself could be empty. in that case, "index" is 0 (for "None").
+                               print "nimsats:", nimsats
+                               if len(nimsats):
+                                       orbpos = nimsats[selsatidx][0]
+                                       if self.scan_sat.system.value == "dvb-s":
+                                               fec = self.scan_sat.fec.value
+                                       else:
+                                               fec = self.scan_sat.fec_s2.value
+                                       print "add sat transponder"
+                                       self.addSatTransponder(tlist, self.scan_sat.frequency.value,
+                                                               self.scan_sat.symbolrate.value,
+                                                               self.scan_sat.polarization.index,
+                                                               fec,
+                                                               self.scan_sat.inversion.index,
+                                                               orbpos,
+                                                               self.scan_sat.system.index,
+                                                               self.scan_sat.modulation.index)
                        elif self.scan_type.value == "single_satellite":
-                               sat = self.satList[self.scan_nims.index][self.scan_satselection[self.scan_nims.index].index]
+                               sat = self.satList[index_to_scan][self.scan_satselection[index_to_scan].index]
                                getInitialTransponderList(tlist, sat[0])
                                flags |= eComponentScan.scanNetworkSearch
                                tmp = self.scan_clearallservices.value
@@ -494,7 +526,7 @@ class ScanSetup(ConfigListScreen, Screen):
                                        flags |= eComponentScan.scanRemoveServices
                                        flags |= eComponentScan.scanDontRemoveFeeds
                        elif self.scan_type.value == "multisat":
-                               SatList = nimmanager.getSatListForNim(self.scan_nims.index)
+                               SatList = nimmanager.getSatListForNim(index_to_scan)
                                for x in self.multiscanlist:
                                        if x[1].value:
                                                print "   " + str(x[0])
@@ -507,7 +539,7 @@ class ScanSetup(ConfigListScreen, Screen):
                                        flags |= eComponentScan.scanRemoveServices
                                        flags |= eComponentScan.scanDontRemoveFeeds
 
-               elif (nimmanager.getNimType(self.scan_nims.index) == nimmanager.nimType["DVB-C"]):
+               elif nim.isCompatible("DVB-C"):
                        if self.scan_typecable.value == "single_transponder":
                                fec = self.scan_cab.fec.value
                                self.addCabTransponder(tlist, self.scan_cab.frequency.value,
@@ -518,7 +550,7 @@ class ScanSetup(ConfigListScreen, Screen):
                                if self.scan_cab.networkScan.value:
                                        flags |= eComponentScan.scanNetworkSearch
                        elif self.scan_typecable.value == "complete":
-                               getInitialCableTransponderList(tlist, nimmanager.getCableDescription(self.scan_nims.index))
+                               getInitialCableTransponderList(tlist, nimmanager.getCableDescription(index_to_scan))
                                flags |= eComponentScan.scanNetworkSearch
                                tmp = self.scan_clearallservices
                                if tmp == "yes":
@@ -527,10 +559,10 @@ class ScanSetup(ConfigListScreen, Screen):
                                        flags |= eComponentScan.scanRemoveServices
                                        flags |= eComponentScan.scanDontRemoveFeeds
 
-               elif (nimmanager.getNimType(self.scan_nims.index) == nimmanager.nimType["DVB-T"]):
+               elif nim.isCompatible("DVB-T"):
                        if self.scan_typeterrestrial.value == "single_transponder":
                                self.addTerTransponder(tlist,
-                                               self.scan_ter.frequency.value * 1000000,
+                                               self.scan_ter.frequency.value * 1000,
                                                inversion = self.scan_ter.inversion.index,
                                                bandwidth = self.scan_ter.bandwidth.index,
                                                fechigh = self.scan_ter.fechigh.index,
@@ -542,7 +574,7 @@ class ScanSetup(ConfigListScreen, Screen):
                                if self.scan_ter.networkScan.value:
                                        flags |= eComponentScan.scanNetworkSearch
                        elif self.scan_typeterrestrial.value == "complete":
-                               getInitialTerrestrialTransponderList(tlist, nimmanager.getTerrestrialDescription(self.scan_nims.index))
+                               getInitialTerrestrialTransponderList(tlist, nimmanager.getTerrestrialDescription(index_to_scan))
                                flags |= eComponentScan.scanNetworkSearch
                                tmp = self.scan_clearallservices.value
                                if tmp == "yes":
@@ -555,7 +587,7 @@ class ScanSetup(ConfigListScreen, Screen):
                        x[1].save()
 
                if len(tlist):
-                       feid = self.scan_nims.index
+                       feid = index_to_scan
                        # flags |= eComponentScan.scanSearchBAT
                        self.session.openWithCallback(self.doNothing, ServiceScan, [{"transponders": tlist, "feid": feid, "flags": flags}])
                else:
@@ -570,6 +602,28 @@ class ScanSetup(ConfigListScreen, Screen):
                self.close()
 
 class ScanSimple(ConfigListScreen, Screen):
+       def getNetworksForNim(self, nim):
+               if nim.isCompatible("DVB-S"):
+                       networks = nimmanager.getSatListForNim(nim.slot)
+# the original code took "loopthrough" etc. into account. Do we need this?
+#                      if nimmanager.getNimConfigMode(1) in ["loopthrough", "satposdepends", "equal", "nothing"]:
+#                              return False
+#                      sec = eDVBSatelliteEquipmentControl.getInstance()
+#                      if sec is not None:
+#                              exclusive_satellites = sec.get_exclusive_satellites(0,1)
+#                              if len(exclusive_satellites) == 2:
+#                                      return False
+#                              idx = exclusive_satellites[0]+1
+#                              exclusive_nim_sats = exclusive_satellites[idx+1:idx+1+exclusive_satellites[idx]]
+#                              if len(exclusive_nim_sats):
+#                                      return True
+               elif not nim.empty:
+                       networks = [ nim.type ] # "DVB-C" or "DVB-T". TODO: seperate networks for different C/T tuners, if we want to support that.
+               else:
+                       # empty tuners provide no networks.
+                       networks = [ ]
+               return networks
+
        def __init__(self, session):
                Screen.__init__(self, session)
 
@@ -582,25 +636,41 @@ class ScanSimple(ConfigListScreen, Screen):
                self.list = []
                tlist = []
 
-               nimcount = nimmanager.getNimSocketCount()
-               if nimcount > 0:
-                       nimtype = nimmanager.getNimType(0)
-                       scan_possible=True
+               known_networks = [ ]
+               nims_to_scan = [ ]
+
+               for nim in nimmanager.nim_slots:
+                       # collect networks provided by this tuner
+
+                       need_scan = False
+                       networks = self.getNetworksForNim(nim)
+                       
+                       print "nim %d provides" % nim.slot, networks
+                       print "known:", known_networks
+
+                       # we only need to scan on the first tuner which provides a network.
+                       # this gives the first tuner for each network priority for scanning.
+                       for x in networks:
+                               if x not in known_networks:
+                                       need_scan = True
+                                       print x, "not in ", known_networks
+                                       known_networks.append(x)
+
+                       if need_scan:
+                               nims_to_scan.append(nim)
+
+               # we save the config elements to use them on keyGo
+               self.nim_enable = [ ]
+
+               if len(nims_to_scan):
                        self.scan_clearallservices = ConfigSelection(default = "yes", choices = [("no", _("no")), ("yes", _("yes")), ("yes_hold_feeds", _("yes (keep feeds)"))])
                        self.list.append(getConfigListEntry(_("Clear before scan"), self.scan_clearallservices))
-                       nim = ConfigYesNo(default = True)
-                       nim.nim_index = 0
-                       if nimtype == nimmanager.nimType["DVB-S"] and not len(nimmanager.getSatListForNim(0)):
-                               scan_possible=False
-                       if nimtype == nimmanager.nimType["empty/unknown"]:
-                               scan_possible = False
-                       if scan_possible:
-                               self.list.append(getConfigListEntry(_("Scan NIM") + " 0 (" + nimmanager.getNimTypeName(0) + ")", nim))
-
-               if nimcount > 1 and self.ScanNimTwoNeeded():
-                       nim = ConfigYesNo(default = True)
-                       nim.nim_index = 1
-                       self.list.append(getConfigListEntry(_("Scan NIM") + " 1 (" + nimmanager.getNimTypeName(1) + ")", nim))
+
+                       for nim in nims_to_scan:
+                               nimconfig = ConfigYesNo(default = True)
+                               nimconfig.nim_index = nim.slot
+                               self.nim_enable.append(nimconfig)
+                               self.list.append(getConfigListEntry(_("Scan ") + nim.slot_name + " (" + nim.friendly_type + ")", nimconfig))
 
                ConfigListScreen.__init__(self, self.list)
                self["header"] = Label(_("Automatic Scan"))
@@ -611,61 +681,47 @@ class ScanSimple(ConfigListScreen, Screen):
 
        def keyGo(self):
                scanList = []
-               if nimmanager.getNimType(0) == nimmanager.nimType["DVB-S"] and nimmanager.getNimType(0) == nimmanager.getNimType(1):
-                       sec = eDVBSatelliteEquipmentControl.getInstance()
-                       if sec is not None:
-                               exclusive_satellites = sec.get_exclusive_satellites(0,1)
+
+               known_networks = set()
+
+               for n in self.nim_enable:
+                       if not n.value: # ignore if scanning on this nim is not enabled 
+                               continue
+
+                       nim = nimmanager.nim_slots[n.nim_index]
+                       networks = set(self.getNetworksForNim(nim))
+                       
+                       # don't scan anything twice
+                       networks.discard(known_networks)
+
+                       scanPossible = False
+                       trustNit = False
+                       tlist = [ ]
+
+                       if nim.isCompatible("DVB-S"):
+                               # get initial transponders for each satellite to be scanned
+                               for sat in networks:
+                                       getInitialTransponderList(tlist, sat[0])
+                       elif nim.isCompatible("DVB-C"):
+                               getInitialCableTransponderList(tlist, nimmanager.getCableDescription(nim.slot))
+                               if nim.cable_trust_nit:
+                                       trustNit = True
+                       elif nim.isCompatible("DVB-T"):
+                               getInitialTerrestrialTransponderList(tlist, nimmanager.getTerrestrialDescription(nim.slot))
                        else:
-                               exclusive_satellites = [0,0]
-                       print "exclusive satellites", exclusive_satellites
-                       two_sat_tuners = True
-               else:
-                       two_sat_tuners = False
-
-               for (x, c) in self.list[1:]:
-                       slotid = c.nim_index
-                       print "Scan Tuner", slotid, "-", c.value
-                       if c.value:
-                               scanPossible = False
-                               trustNit = False
-                               tlist = [ ]
-                               if nimmanager.getNimType(slotid) == nimmanager.nimType["DVB-S"]:
-                                       print "is sat"
-                                       if two_sat_tuners:
-                                               if slotid > 0:
-                                                       idx = exclusive_satellites[0]+1
-                                               else:
-                                                       idx = 0
-                                               exclusive_nim_sats = exclusive_satellites[idx+1:idx+1+exclusive_satellites[idx]]
-                                               print "exclusive_nim_sats", exclusive_nim_sats
-                                       SatList = nimmanager.getSatListForNim(slotid)
-                                       for sat in SatList:
-                                               if not two_sat_tuners or (sat[0] in exclusive_nim_sats or slotid == 0):
-                                                       scanPossible = True
-                                                       print sat
-                                                       getInitialTransponderList(tlist, sat[0])
-                               elif nimmanager.getNimType(slotid) == nimmanager.nimType["DVB-C"]:
-                                       scanPossible = True
-                                       getInitialCableTransponderList(tlist, nimmanager.getCableDescription(slotid))
-                                       if nimmanager.getCableTrustNit(slotid):
-                                               trustNit = True
-                               elif nimmanager.getNimType(slotid) == nimmanager.nimType["DVB-T"]:
-                                       scanPossible = True
-                                       getInitialTerrestrialTransponderList(tlist, nimmanager.getTerrestrialDescription(slotid))
-                               else:
-                                       assert False
-
-                               if scanPossible:
-                                       flags=eComponentScan.scanNetworkSearch
-                                       if trustNit:
-                                               flags |= eComponentScan.clearToScanOnFirstNIT
-                                       tmp = self.scan_clearallservices.value
-                                       if tmp == "yes":
-                                               flags |= eComponentScan.scanRemoveServices
-                                       elif tmp == "yes_hold_feeds":
-                                               flags |= eComponentScan.scanRemoveServices
-                                               flags |= eComponentScan.scanDontRemoveFeeds
-                                       scanList.append({"transponders": tlist, "feid": slotid, "flags": flags})
+                               assert False
+
+                       flags=eComponentScan.scanNetworkSearch
+                       if trustNit:
+                               flags |= eComponentScan.clearToScanOnFirstNIT
+                       tmp = self.scan_clearallservices.value
+                       if tmp == "yes":
+                               flags |= eComponentScan.scanRemoveServices
+                       elif tmp == "yes_hold_feeds":
+                               flags |= eComponentScan.scanRemoveServices
+                               flags |= eComponentScan.scanDontRemoveFeeds
+                       scanList.append({"transponders": tlist, "feid": nim.slot, "flags": flags})
+
                if len(scanList):
                        self.session.openWithCallback(self.doNothing, ServiceScan, scanList = scanList)
                else:
@@ -683,22 +739,3 @@ class ScanSimple(ConfigListScreen, Screen):
                                return 1
                return 0
 
-       def ScanNimTwoNeeded(self):
-               if nimmanager.getNimType(1) == nimmanager.nimType["empty/unknown"]:
-                       return False
-               if nimmanager.getNimType(0) != nimmanager.getNimType(1):
-                       return True
-               if nimmanager.getNimType(0) == nimmanager.nimType["DVB-S"]: #two dvb-s nims
-                       if nimmanager.getNimConfigMode(1) in ["loopthrough", "satposdepends", "equal", "nothing"]:
-                               return False
-                       sec = eDVBSatelliteEquipmentControl.getInstance()
-                       if sec is not None:
-                               exclusive_satellites = sec.get_exclusive_satellites(0,1)
-                               if len(exclusive_satellites) == 2:
-                                       return False
-                               idx = exclusive_satellites[0]+1
-                               exclusive_nim_sats = exclusive_satellites[idx+1:idx+1+exclusive_satellites[idx]]
-                               if len(exclusive_nim_sats):
-                                       return True
-               return False # two -C or two -T tuners
-